FSUI: More formatting

New event system, context menus, and more.

.github/workflows/scripts/common/kddockwidgets-dodgy-include.patch

@@ -0,0 +1,13 @@
+diff --git a/src/core/indicators/ClassicDropIndicatorOverlay.h b/src/core/indicators/ClassicDropIndicatorOverlay.h
+index 2dfb9718a..9b01f002e 100644
+--- a/src/core/indicators/ClassicDropIndicatorOverlay.h
++++ b/src/core/indicators/ClassicDropIndicatorOverlay.h
+@@ -11,7 +11,7 @@
+ 
+ #pragma once
+ 
+-#include "core/DropIndicatorOverlay.h"
++#include <kddockwidgets/core/DropIndicatorOverlay.h>
+ 
+ namespace KDDockWidgets {
+ 

.github/workflows/scripts/linux/build-dependencies-qt.sh

@@ -19,9 +19,10 @@ LIBJPEG=9f
 LIBPNG=1.6.45
 LIBWEBP=1.5.0
 LZ4=b8fd2d15309dd4e605070bd4486e26b6ef814e29
-SDL=SDL3-3.2.6
+SDL=SDL3-3.2.8
 QT=6.8.2
 ZSTD=1.5.7
+KDDOCKWIDGETS=2.2.1
 
 SHADERC=2024.1
 SHADERC_GLSLANG=142052fa30f9eca191aa9dcf65359fcaed09eeec
@@ -37,7 +38,7 @@ fd6f417fe9e3a071cf1424a5152d926a34c4a3c5070745470be6cf12a404ed79  $LIBBACKTRACE.
 926485350139ffb51ef69760db35f78846c805fef3d59bfdcb2fba704663f370  libpng-$LIBPNG.tar.xz
 7d6fab70cf844bf6769077bd5d7a74893f8ffd4dfb42861745750c63c2a5c92c  libwebp-$LIBWEBP.tar.gz
 0728800155f3ed0a0c87e03addbd30ecbe374f7b080678bbca1506051d50dec3  $LZ4.tar.gz
-096a0b843dd1124afda41c24bd05034af75af37e9a1b9d205cc0a70193b27e1a  $SDL.tar.gz
+13388fabb361de768ecdf2b65e52bb27d1054cae6ccb6942ba926e378e00db03  $SDL.tar.gz
 eb33e51f49a15e023950cd7825ca74a4a2b43db8354825ac24fc1b7ee09e6fa3  zstd-$ZSTD.tar.gz
 012043ce6d411e6e8a91fdc4e05e6bedcfa10fcb1347d3c33908f7fdd10dfe05  qtbase-everywhere-src-$QT.tar.xz
 d2a1bbb84707b8a0aec29227b170be00f04383fbf2361943596d09e7e443c8e1  qtimageformats-everywhere-src-$QT.tar.xz
@@ -49,6 +50,7 @@ eb3b5f0c16313d34f208d90c2fa1e588a23283eed63b101edd5422be6165d528  shaderc-$SHADE
 aa27e4454ce631c5a17924ce0624eac736da19fc6f5a2ab15a6c58da7b36950f  shaderc-glslang-$SHADERC_GLSLANG.tar.gz
 5d866ce34a4b6908e262e5ebfffc0a5e11dd411640b5f24c85a80ad44c0d4697  shaderc-spirv-headers-$SHADERC_SPIRVHEADERS.tar.gz
 03ee1a2c06f3b61008478f4abe9423454e53e580b9488b47c8071547c6a9db47  shaderc-spirv-tools-$SHADERC_SPIRVTOOLS.tar.gz
+8693e06abee0c88517d8480b22647702a51a0708f3c876ed5385d9a4e356e1a5  KDDockWidgets-$KDDOCKWIDGETS.tar.gz
 EOF
 
 curl -L \
@@ -68,7 +70,8 @@ curl -L \
 	-o "shaderc-$SHADERC.tar.gz" "https://github.com/google/shaderc/archive/refs/tags/v$SHADERC.tar.gz" \
 	-o "shaderc-glslang-$SHADERC_GLSLANG.tar.gz" "https://github.com/KhronosGroup/glslang/archive/$SHADERC_GLSLANG.tar.gz" \
 	-o "shaderc-spirv-headers-$SHADERC_SPIRVHEADERS.tar.gz" "https://github.com/KhronosGroup/SPIRV-Headers/archive/$SHADERC_SPIRVHEADERS.tar.gz" \
-	-o "shaderc-spirv-tools-$SHADERC_SPIRVTOOLS.tar.gz" "https://github.com/KhronosGroup/SPIRV-Tools/archive/$SHADERC_SPIRVTOOLS.tar.gz"
+	-o "shaderc-spirv-tools-$SHADERC_SPIRVTOOLS.tar.gz" "https://github.com/KhronosGroup/SPIRV-Tools/archive/$SHADERC_SPIRVTOOLS.tar.gz" \
+	-o "KDDockWidgets-$KDDOCKWIDGETS.tar.gz" "https://github.com/KDAB/KDDockWidgets/archive/v$KDDOCKWIDGETS.tar.gz"
 
 shasum -a 256 --check SHASUMS
 
@@ -233,6 +236,16 @@ cmake --build . --parallel
 ninja install
 cd ../../
 
+echo "Building KDDockWidgets..."
+rm -fr "KDDockWidgets-$KDDOCKWIDGETS"
+tar xf "KDDockWidgets-$KDDOCKWIDGETS.tar.gz"
+cd "KDDockWidgets-$KDDOCKWIDGETS"
+patch -p1 < "$SCRIPTDIR/../common/kddockwidgets-dodgy-include.patch"
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DKDDockWidgets_QT6=true -DKDDockWidgets_EXAMPLES=false -DKDDockWidgets_FRONTENDS=qtwidgets -B build -G Ninja
+cmake --build build --parallel
+ninja -C build install
+cd ..
+
 echo "Building shaderc..."
 rm -fr "shaderc-$SHADERC"
 tar xf "shaderc-$SHADERC.tar.gz"

.github/workflows/scripts/linux/flatpak/modules/20-sdl3.json

@@ -14,8 +14,8 @@
   "sources": [
     {
       "type": "archive",
-      "url": "https://libsdl.org/release/SDL3-3.2.6.tar.gz",
-      "sha256": "096a0b843dd1124afda41c24bd05034af75af37e9a1b9d205cc0a70193b27e1a"
+      "url": "https://libsdl.org/release/SDL3-3.2.8.tar.gz",
+      "sha256": "13388fabb361de768ecdf2b65e52bb27d1054cae6ccb6942ba926e378e00db03"
     }
   ],
   "cleanup": [

.github/workflows/scripts/linux/flatpak/modules/23-kddockwidgets.json

@@ -0,0 +1,32 @@
+{
+  "name": "kddockwidgets",
+  "buildsystem": "cmake-ninja",
+  "builddir": true,
+  "config-opts": [
+    "-DKDDockWidgets_QT6=true",
+    "-DKDDockWidgets_EXAMPLES=false",
+    "-DKDDockWidgets_FRONTENDS=qtwidgets"
+  ],
+  "build-options": {
+    "strip": true
+  },
+  "sources": [
+    {
+      "type": "git",
+      "url": "https://github.com/KDAB/KDDockWidgets.git",
+      "tag": "v2.2.1",
+      "commit": "3aaccddc00a11a643e0959a24677838993de15ac",
+      "disable-submodules": true
+    },
+    {
+      "type": "patch",
+      "path": "../../../common/kddockwidgets-dodgy-include.patch"
+    }
+  ],
+  "cleanup": [
+    "/share/doc/KDDockWidgets-qt6",
+    "/mkspecs/modules/qt_KDDockWidgets.pri",
+    "/lib/cmake",
+    "/include"
+  ]
+}

.github/workflows/scripts/linux/flatpak/net.pcsx2.PCSX2.json

@@ -29,6 +29,7 @@
     "modules/20-sdl3.json",
     "modules/21-libbacktrace.json",
     "modules/22-shaderc.json",
+    "modules/23-kddockwidgets.json",
     {
       "name": "pcsx2",
       "buildsystem": "cmake-ninja",

.github/workflows/scripts/macos/build-dependencies-universal.sh

@@ -40,7 +40,7 @@ fi
 
 FREETYPE=2.13.3
 HARFBUZZ=10.0.1
-SDL=SDL3-3.2.6
+SDL=SDL3-3.2.8
 ZSTD=1.5.7
 LZ4=b8fd2d15309dd4e605070bd4486e26b6ef814e29
 LIBPNG=1.6.45
@@ -49,6 +49,7 @@ LIBWEBP=1.5.0
 FFMPEG=6.0
 MOLTENVK=1.2.9
 QT=6.7.2
+KDDOCKWIDGETS=2.2.1
 
 SHADERC=2024.1
 SHADERC_GLSLANG=142052fa30f9eca191aa9dcf65359fcaed09eeec
@@ -76,7 +77,7 @@ CMAKE_ARCH_UNIVERSAL=-DCMAKE_OSX_ARCHITECTURES="x86_64;arm64"
 cat > SHASUMS <<EOF
 0550350666d427c74daeb85d5ac7bb353acba5f76956395995311a9c6f063289  freetype-$FREETYPE.tar.xz
 e7358ea86fe10fb9261931af6f010d4358dac64f7074420ca9bc94aae2bdd542  harfbuzz-$HARFBUZZ.tar.gz
-096a0b843dd1124afda41c24bd05034af75af37e9a1b9d205cc0a70193b27e1a  $SDL.tar.gz
+13388fabb361de768ecdf2b65e52bb27d1054cae6ccb6942ba926e378e00db03  $SDL.tar.gz
 eb33e51f49a15e023950cd7825ca74a4a2b43db8354825ac24fc1b7ee09e6fa3  zstd-$ZSTD.tar.gz
 0728800155f3ed0a0c87e03addbd30ecbe374f7b080678bbca1506051d50dec3  $LZ4.tar.gz
 926485350139ffb51ef69760db35f78846c805fef3d59bfdcb2fba704663f370  libpng-$LIBPNG.tar.xz
@@ -93,6 +94,7 @@ eb3b5f0c16313d34f208d90c2fa1e588a23283eed63b101edd5422be6165d528  shaderc-$SHADE
 aa27e4454ce631c5a17924ce0624eac736da19fc6f5a2ab15a6c58da7b36950f  shaderc-glslang-$SHADERC_GLSLANG.tar.gz
 5d866ce34a4b6908e262e5ebfffc0a5e11dd411640b5f24c85a80ad44c0d4697  shaderc-spirv-headers-$SHADERC_SPIRVHEADERS.tar.gz
 03ee1a2c06f3b61008478f4abe9423454e53e580b9488b47c8071547c6a9db47  shaderc-spirv-tools-$SHADERC_SPIRVTOOLS.tar.gz
+8693e06abee0c88517d8480b22647702a51a0708f3c876ed5385d9a4e356e1a5  KDDockWidgets-$KDDOCKWIDGETS.tar.gz
 EOF
 
 curl -C - -L \
@@ -114,7 +116,8 @@ curl -C - -L \
 	-o "shaderc-$SHADERC.tar.gz" "https://github.com/google/shaderc/archive/refs/tags/v$SHADERC.tar.gz" \
 	-o "shaderc-glslang-$SHADERC_GLSLANG.tar.gz" "https://github.com/KhronosGroup/glslang/archive/$SHADERC_GLSLANG.tar.gz" \
 	-o "shaderc-spirv-headers-$SHADERC_SPIRVHEADERS.tar.gz" "https://github.com/KhronosGroup/SPIRV-Headers/archive/$SHADERC_SPIRVHEADERS.tar.gz" \
-	-o "shaderc-spirv-tools-$SHADERC_SPIRVTOOLS.tar.gz" "https://github.com/KhronosGroup/SPIRV-Tools/archive/$SHADERC_SPIRVTOOLS.tar.gz"
+	-o "shaderc-spirv-tools-$SHADERC_SPIRVTOOLS.tar.gz" "https://github.com/KhronosGroup/SPIRV-Tools/archive/$SHADERC_SPIRVTOOLS.tar.gz" \
+	-o "KDDockWidgets-$KDDOCKWIDGETS.tar.gz" "https://github.com/KDAB/KDDockWidgets/archive/v$KDDOCKWIDGETS.tar.gz"
 
 shasum -a 256 --check SHASUMS
 
@@ -366,6 +369,16 @@ make "-j$NPROCS"
 make install
 cd ../..
 
+echo "Building KDDockWidgets..."
+rm -fr "KDDockWidgets-$KDDOCKWIDGETS"
+tar xf "KDDockWidgets-$KDDOCKWIDGETS.tar.gz"
+cd "KDDockWidgets-$KDDOCKWIDGETS"
+patch -p1 < "$SCRIPTDIR/../common/kddockwidgets-dodgy-include.patch"
+cmake "${CMAKE_COMMON[@]}" "$CMAKE_ARCH_UNIVERSAL" -DKDDockWidgets_QT6=true -DKDDockWidgets_EXAMPLES=false -DKDDockWidgets_FRONTENDS=qtwidgets -B build
+cmake --build build --parallel
+cmake --install build
+cd ..
+
 echo "Cleaning up..."
 cd ..
 rm -rf deps-build

.github/workflows/scripts/macos/build-dependencies.sh

@@ -22,7 +22,7 @@ fi
 
 FREETYPE=2.13.3
 HARFBUZZ=10.0.1
-SDL=SDL3-3.2.6
+SDL=SDL3-3.2.8
 ZSTD=1.5.7
 LZ4=b8fd2d15309dd4e605070bd4486e26b6ef814e29
 LIBPNG=1.6.45
@@ -31,6 +31,7 @@ LIBWEBP=1.5.0
 FFMPEG=6.0
 MOLTENVK=1.2.9
 QT=6.7.2
+KDDOCKWIDGETS=2.2.1
 
 SHADERC=2024.1
 SHADERC_GLSLANG=142052fa30f9eca191aa9dcf65359fcaed09eeec
@@ -56,7 +57,7 @@ CMAKE_COMMON=(
 cat > SHASUMS <<EOF
 0550350666d427c74daeb85d5ac7bb353acba5f76956395995311a9c6f063289  freetype-$FREETYPE.tar.xz
 e7358ea86fe10fb9261931af6f010d4358dac64f7074420ca9bc94aae2bdd542  harfbuzz-$HARFBUZZ.tar.gz
-096a0b843dd1124afda41c24bd05034af75af37e9a1b9d205cc0a70193b27e1a  $SDL.tar.gz
+13388fabb361de768ecdf2b65e52bb27d1054cae6ccb6942ba926e378e00db03  $SDL.tar.gz
 eb33e51f49a15e023950cd7825ca74a4a2b43db8354825ac24fc1b7ee09e6fa3  zstd-$ZSTD.tar.gz
 0728800155f3ed0a0c87e03addbd30ecbe374f7b080678bbca1506051d50dec3  $LZ4.tar.gz
 926485350139ffb51ef69760db35f78846c805fef3d59bfdcb2fba704663f370  libpng-$LIBPNG.tar.xz
@@ -73,6 +74,7 @@ eb3b5f0c16313d34f208d90c2fa1e588a23283eed63b101edd5422be6165d528  shaderc-$SHADE
 aa27e4454ce631c5a17924ce0624eac736da19fc6f5a2ab15a6c58da7b36950f  shaderc-glslang-$SHADERC_GLSLANG.tar.gz
 5d866ce34a4b6908e262e5ebfffc0a5e11dd411640b5f24c85a80ad44c0d4697  shaderc-spirv-headers-$SHADERC_SPIRVHEADERS.tar.gz
 03ee1a2c06f3b61008478f4abe9423454e53e580b9488b47c8071547c6a9db47  shaderc-spirv-tools-$SHADERC_SPIRVTOOLS.tar.gz
+8693e06abee0c88517d8480b22647702a51a0708f3c876ed5385d9a4e356e1a5  KDDockWidgets-$KDDOCKWIDGETS.tar.gz
 EOF
 
 curl -L \
@@ -94,7 +96,8 @@ curl -L \
 	-o "shaderc-$SHADERC.tar.gz" "https://github.com/google/shaderc/archive/refs/tags/v$SHADERC.tar.gz" \
 	-o "shaderc-glslang-$SHADERC_GLSLANG.tar.gz" "https://github.com/KhronosGroup/glslang/archive/$SHADERC_GLSLANG.tar.gz" \
 	-o "shaderc-spirv-headers-$SHADERC_SPIRVHEADERS.tar.gz" "https://github.com/KhronosGroup/SPIRV-Headers/archive/$SHADERC_SPIRVHEADERS.tar.gz" \
-	-o "shaderc-spirv-tools-$SHADERC_SPIRVTOOLS.tar.gz" "https://github.com/KhronosGroup/SPIRV-Tools/archive/$SHADERC_SPIRVTOOLS.tar.gz"
+	-o "shaderc-spirv-tools-$SHADERC_SPIRVTOOLS.tar.gz" "https://github.com/KhronosGroup/SPIRV-Tools/archive/$SHADERC_SPIRVTOOLS.tar.gz" \
+	-o "KDDockWidgets-$KDDOCKWIDGETS.tar.gz" "https://github.com/KDAB/KDDockWidgets/archive/v$KDDOCKWIDGETS.tar.gz"
 
 shasum -a 256 --check SHASUMS
 
@@ -324,6 +327,16 @@ make "-j$NPROCS"
 make install
 cd ../..
 
+echo "Building KDDockWidgets..."
+rm -fr "KDDockWidgets-$KDDOCKWIDGETS"
+tar xf "KDDockWidgets-$KDDOCKWIDGETS.tar.gz"
+cd "KDDockWidgets-$KDDOCKWIDGETS"
+patch -p1 < "$SCRIPTDIR/../common/kddockwidgets-dodgy-include.patch"
+cmake "${CMAKE_COMMON[@]}" -DKDDockWidgets_QT6=true -DKDDockWidgets_EXAMPLES=false -DKDDockWidgets_FRONTENDS=qtwidgets -B build
+cmake --build build --parallel
+cmake --install build
+cd ..
+
 echo "Cleaning up..."
 cd ..
 rm -rf deps-build

.github/workflows/scripts/windows/build-dependencies-arm64.bat

@@ -49,11 +49,12 @@ set LIBPNG=1645
 set LZ4=b8fd2d15309dd4e605070bd4486e26b6ef814e29
 set QT=6.8.2
 set QTMINOR=6.8
-set SDL=SDL3-3.2.6
+set SDL=SDL3-3.2.8
 set WEBP=1.5.0
 set ZLIB=1.3.1
 set ZLIBSHORT=131
 set ZSTD=1.5.7
+set KDDOCKWIDGETS=2.2.1
 
 set SHADERC=2024.1
 set SHADERC_GLSLANG=142052fa30f9eca191aa9dcf65359fcaed09eeec
@@ -66,7 +67,7 @@ call :downloadfile "lpng%LIBPNG%.zip" https://download.sourceforge.net/libpng/lp
 call :downloadfile "jpegsr%LIBJPEG%.zip" https://ijg.org/files/jpegsr%LIBJPEG%.zip 6255da8c89e09d694e6800688c76145eb6870a76ac0d36c74fccd61b3940aafa || goto error
 call :downloadfile "libwebp-%WEBP%.tar.gz" "https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-%WEBP%.tar.gz" 7d6fab70cf844bf6769077bd5d7a74893f8ffd4dfb42861745750c63c2a5c92c || goto error
 call :downloadfile "lz4-%LZ4%.zip" "https://github.com/lz4/lz4/archive/%LZ4%.zip" 0c33119688d6b180c7e760b0acd70059222389cfd581632623784bee27e51a31 || goto error
-call :downloadfile "%SDL%.zip" "https://libsdl.org/release/%SDL%.zip" 665e5aa2a613affe099a38d61257ecc5ef4bf38b109d915147aa8b005399d68a || goto error
+call :downloadfile "%SDL%.zip" "https://libsdl.org/release/%SDL%.zip" 7f8ff5c8246db4145301bc122601a5f8cef25ee2c326eddb3e88668849c61ddf || goto error
 call :downloadfile "qtbase-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtbase-everywhere-src-%QT%.zip" 44087aec0caa4aa81437e787917d29d97536484a682a5d51ec035878e57c0b5c || goto error
 call :downloadfile "qtimageformats-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtimageformats-everywhere-src-%QT%.zip" 83c72b5dfad04854acf61d592e3f9cdc2ed894779aab8d0470d966715266caaf || goto error
 call :downloadfile "qtsvg-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtsvg-everywhere-src-%QT%.zip" 144d55e4d199793a76c53f19872633a79aec0314039f6f99b6a10b5be7a78fbf || goto error
@@ -74,6 +75,7 @@ call :downloadfile "qttools-everywhere-src-%QT%.zip" "https://download.qt.io/off
 call :downloadfile "qttranslations-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qttranslations-everywhere-src-%QT%.zip" 33ccac9f99a357ffd83cb2d7179a0c0ffcba85a14d23d86619d5dc9721ded42f || goto error
 call :downloadfile "zlib%ZLIBSHORT%.zip" "https://zlib.net/zlib%ZLIBSHORT%.zip" 72af66d44fcc14c22013b46b814d5d2514673dda3d115e64b690c1ad636e7b17 || goto error
 call :downloadfile "zstd-%ZSTD%.zip" "https://github.com/facebook/zstd/archive/refs/tags/v%ZSTD%.zip" 7897bc5d620580d9b7cd3539c44b59d78f3657d33663fe97a145e07b4ebd69a4 || goto error
+call :downloadfile "KDDockWidgets-%KDDOCKWIDGETS%.zip" "https://github.com/KDAB/KDDockWidgets/archive/v2.2.1.zip" 78b5e242bf47476e150175b7de934ab84069459e151beb2d5ce84fd067138aa5 || goto error
 
 call :downloadfile "shaderc-%SHADERC%.zip" "https://github.com/google/shaderc/archive/refs/tags/v%SHADERC%.zip" 6c9f42ed6bf42750f5369b089909abfdcf0101488b4a1f41116d5159d00af8e7 || goto error
 call :downloadfile "shaderc-glslang-%SHADERC_GLSLANG%.zip" "https://github.com/KhronosGroup/glslang/archive/%SHADERC_GLSLANG%.zip" 03ad8a6fa987af4653d0cfe6bdaed41bcf617f1366a151fb1574da75950cd3e8 || goto error
@@ -241,6 +243,16 @@ cmake --build . --parallel || goto error
 ninja install || goto error
 cd ..\.. || goto error
 
+echo "Building KDDockWidgets..."
+rmdir /S /Q "KDDockWidgets-%KDDOCKWIDGETS%"
+%SEVENZIP% x "KDDockWidgets-%KDDOCKWIDGETS%.zip" || goto error
+cd "KDDockWidgets-%KDDOCKWIDGETS%" || goto error
+%PATCH% -p1 < "%SCRIPTDIR%\..\common\kddockwidgets-dodgy-include.patch" || goto error
+cmake %ARM64TOOLCHAIN% -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="%INSTALLDIR%" -DCMAKE_INSTALL_PREFIX="%INSTALLDIR%" -DKDDockWidgets_QT6=true -DKDDockWidgets_EXAMPLES=false -DKDDockWidgets_FRONTENDS=qtwidgets -B build -G Ninja || goto error
+cmake --build build --parallel || goto error
+ninja -C build install || goto error
+cd .. || goto error
+
 echo Building shaderc...
 rmdir /S /Q "shaderc-%SHADERC%"
 %SEVENZIP% x "shaderc-%SHADERC%.zip" || goto error

.github/workflows/scripts/windows/build-dependencies.bat

@@ -47,11 +47,12 @@ set LIBPNG=1645
 set LZ4=b8fd2d15309dd4e605070bd4486e26b6ef814e29
 set QT=6.8.2
 set QTMINOR=6.8
-set SDL=SDL3-3.2.6
+set SDL=SDL3-3.2.8
 set WEBP=1.5.0
 set ZLIB=1.3.1
 set ZLIBSHORT=131
 set ZSTD=1.5.7
+set KDDOCKWIDGETS=2.2.1
 
 set SHADERC=2024.1
 set SHADERC_GLSLANG=142052fa30f9eca191aa9dcf65359fcaed09eeec
@@ -64,7 +65,7 @@ call :downloadfile "lpng%LIBPNG%.zip" https://download.sourceforge.net/libpng/lp
 call :downloadfile "jpegsr%LIBJPEG%.zip" https://ijg.org/files/jpegsr%LIBJPEG%.zip 6255da8c89e09d694e6800688c76145eb6870a76ac0d36c74fccd61b3940aafa || goto error
 call :downloadfile "libwebp-%WEBP%.tar.gz" "https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-%WEBP%.tar.gz" 7d6fab70cf844bf6769077bd5d7a74893f8ffd4dfb42861745750c63c2a5c92c || goto error
 call :downloadfile "lz4-%LZ4%.zip" "https://github.com/lz4/lz4/archive/%LZ4%.zip" 0c33119688d6b180c7e760b0acd70059222389cfd581632623784bee27e51a31 || goto error
-call :downloadfile "%SDL%.zip" "https://libsdl.org/release/%SDL%.zip" 665e5aa2a613affe099a38d61257ecc5ef4bf38b109d915147aa8b005399d68a || goto error
+call :downloadfile "%SDL%.zip" "https://libsdl.org/release/%SDL%.zip" 7f8ff5c8246db4145301bc122601a5f8cef25ee2c326eddb3e88668849c61ddf || goto error
 call :downloadfile "qtbase-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtbase-everywhere-src-%QT%.zip" 44087aec0caa4aa81437e787917d29d97536484a682a5d51ec035878e57c0b5c || goto error
 call :downloadfile "qtimageformats-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtimageformats-everywhere-src-%QT%.zip" 83c72b5dfad04854acf61d592e3f9cdc2ed894779aab8d0470d966715266caaf || goto error
 call :downloadfile "qtsvg-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qtsvg-everywhere-src-%QT%.zip" 144d55e4d199793a76c53f19872633a79aec0314039f6f99b6a10b5be7a78fbf || goto error
@@ -72,6 +73,7 @@ call :downloadfile "qttools-everywhere-src-%QT%.zip" "https://download.qt.io/off
 call :downloadfile "qttranslations-everywhere-src-%QT%.zip" "https://download.qt.io/official_releases/qt/%QTMINOR%/%QT%/submodules/qttranslations-everywhere-src-%QT%.zip" 33ccac9f99a357ffd83cb2d7179a0c0ffcba85a14d23d86619d5dc9721ded42f || goto error
 call :downloadfile "zlib%ZLIBSHORT%.zip" "https://zlib.net/zlib%ZLIBSHORT%.zip" 72af66d44fcc14c22013b46b814d5d2514673dda3d115e64b690c1ad636e7b17 || goto error
 call :downloadfile "zstd-%ZSTD%.zip" "https://github.com/facebook/zstd/archive/refs/tags/v%ZSTD%.zip" 7897bc5d620580d9b7cd3539c44b59d78f3657d33663fe97a145e07b4ebd69a4 || goto error
+call :downloadfile "KDDockWidgets-%KDDOCKWIDGETS%.zip" "https://github.com/KDAB/KDDockWidgets/archive/v2.2.1.zip" 78b5e242bf47476e150175b7de934ab84069459e151beb2d5ce84fd067138aa5 || goto error
 
 call :downloadfile "shaderc-%SHADERC%.zip" "https://github.com/google/shaderc/archive/refs/tags/v%SHADERC%.zip" 6c9f42ed6bf42750f5369b089909abfdcf0101488b4a1f41116d5159d00af8e7 || goto error
 call :downloadfile "shaderc-glslang-%SHADERC_GLSLANG%.zip" "https://github.com/KhronosGroup/glslang/archive/%SHADERC_GLSLANG%.zip" 03ad8a6fa987af4653d0cfe6bdaed41bcf617f1366a151fb1574da75950cd3e8 || goto error
@@ -245,6 +247,16 @@ cmake --build . --parallel || goto error
 ninja install || goto error
 cd ..\.. || goto error
 
+echo "Building KDDockWidgets..."
+rmdir /S /Q "KDDockWidgets-%KDDOCKWIDGETS%"
+%SEVENZIP% x "KDDockWidgets-%KDDOCKWIDGETS%.zip" || goto error
+cd "KDDockWidgets-%KDDOCKWIDGETS%" || goto error
+%PATCH% -p1 < "%SCRIPTDIR%\..\common\kddockwidgets-dodgy-include.patch" || goto error
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="%INSTALLDIR%" -DCMAKE_INSTALL_PREFIX="%INSTALLDIR%" -DKDDockWidgets_QT6=true -DKDDockWidgets_EXAMPLES=false -DKDDockWidgets_FRONTENDS=qtwidgets -B build -G Ninja || goto error
+cmake --build build --parallel || goto error
+ninja -C build install || goto error
+cd .. || goto error
+
 echo Building shaderc...
 rmdir /S /Q "shaderc-%SHADERC%"
 %SEVENZIP% x "shaderc-%SHADERC%.zip" || goto error

.github/workflows/windows_build_qt.yml

@@ -167,8 +167,27 @@ jobs:
             !./bin/**/*.pdb
             !./bin/**/*.lib
 
+      - name: Install the Breakpad Symbol Generator
+        uses: baptiste0928/cargo-install@v3
+        with:
+          crate: dump_syms
+
+      - name: Generate Breakpad Symbols # Also flatten pdbs to a 'symbols' directory for upload-artifact
+        shell: pwsh
+        run: |
+          mkdir -Force symbols
+          Get-ChildItem -Path ./bin -Recurse -File | Where-Object { 
+            ($_.Extension -eq ".exe" -or $_.Extension -eq ".pdb") -and ($_.Name -notmatch "updater") 
+          } | ForEach-Object { 
+            & dump_syms $_.FullName >> symbols/pcsx2-qt.bpsym
+          }
+          Get-ChildItem -Path ./bin -Recurse -Filter "*.pdb" | ForEach-Object {
+            Copy-Item $_.FullName -Destination symbols/
+          }
+
       - name: Upload artifact - with symbols
         uses: actions/upload-artifact@v4
         with:
           name: ${{ steps.artifact-metadata.outputs.artifact-name }}-symbols
-          path: ./bin/**/*.pdb
+          path: |
+            ./symbols

bin/resources/game_controller_db.txt

@@ -387,7 +387,7 @@
 03000000380700006652000000000000,Mad Catz CTRLR,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a3,righty:a4,start:b9,x:b0,y:b3,platform:Windows,
 03000000380700005032000000000000,Mad Catz Fightpad Pro PS3,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Windows,
 03000000380700005082000000000000,Mad Catz Fightpad Pro PS4,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:a3,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:a4,rightx:a2,righty:a5,start:b9,touchpad:b13,x:b0,y:b3,platform:Windows,
-03000000380700008031000000000000,Mad Catz FightStick Alpha PS3	,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:a3,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:a4,rightx:a2,righty:a5,start:b9,x:b0,y:b3,platform:Windows,
+03000000380700008031000000000000,Mad Catz FightStick Alpha PS3,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:a3,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:a4,rightx:a2,righty:a5,start:b9,x:b0,y:b3,platform:Windows,
 030000003807000038b7000000000000,Mad Catz Fightstick TE,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,lefttrigger:b8,rightshoulder:b5,righttrigger:b9,start:b7,x:b2,y:b3,platform:Windows,
 03000000380700008433000000000000,Mad Catz Fightstick TE S PS3,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Windows,
 03000000380700008483000000000000,Mad Catz Fightstick TE S PS4,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:a3,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:a4,rightx:a2,righty:a5,start:b9,touchpad:b13,x:b0,y:b3,platform:Windows,
@@ -1382,6 +1382,8 @@ xinput,XInput Controller,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,
 03000000380700005032000011010000,Mad Catz Fightpad Pro PS3,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Linux,
 03000000380700005082000011010000,Mad Catz Fightpad Pro PS4,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:a3,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:a4,rightx:a2,righty:a5,start:b9,touchpad:b13,x:b0,y:b3,platform:Linux,
 03000000ad1b00002ef0000090040000,Mad Catz Fightpad SFxT,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b8,leftshoulder:b4,lefttrigger:a2,rightshoulder:b5,righttrigger:a5,start:b7,x:b2,y:b3,platform:Linux,
+03000000380700008031000011010000,Mad Catz FightStick Alpha PS3,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Linux,
+03000000380700008081000011010000,Mad Catz FightStick Alpha PS4,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Linux,
 03000000380700008034000011010000,Mad Catz Fightstick PS3,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Linux,
 03000000380700008084000011010000,Mad Catz Fightstick PS4,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,lefttrigger:a3,leftx:a0,lefty:a1,rightshoulder:b5,righttrigger:a4,rightx:a2,righty:a5,start:b9,touchpad:b13,x:b0,y:b3,platform:Linux,
 03000000380700008433000011010000,Mad Catz Fightstick TE S PS3,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Linux,

cmake/BuildParameters.cmake

@@ -146,15 +146,11 @@ if(MSVC AND NOT USE_CLANG_CL)
 endif()
 
 if(MSVC)
-	# Disable RTTI
-	string(REPLACE "/GR" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
-
 	# Disable Exceptions
 	string(REPLACE "/EHsc" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
 else()
 	add_compile_options(-pipe -fvisibility=hidden -pthread)
 	add_compile_options(
-		"$<$<COMPILE_LANGUAGE:CXX>:-fno-rtti>"
 		"$<$<COMPILE_LANGUAGE:CXX>:-fno-exceptions>"
 	)
 endif()

cmake/SearchForStuff.cmake

@@ -117,6 +117,9 @@ add_subdirectory(3rdparty/demangler EXCLUDE_FROM_ALL)
 # Symbol table parser.
 add_subdirectory(3rdparty/ccc EXCLUDE_FROM_ALL)
 
+# The docking system for the debugger.
+find_package(KDDockWidgets-qt6 REQUIRED)
+
 # Architecture-specific.
 if(_M_X86)
 	add_subdirectory(3rdparty/zydis EXCLUDE_FROM_ALL)

common/FileSystem.cpp

@@ -288,8 +288,14 @@ std::string Path::RealPath(const std::string_view path)
 {
 	// Resolve non-absolute paths first.
 	std::vector<std::string_view> components;
+	// We need to keep the full combined path in scope
+	// as SplitNativePath() returns string_views to it.
+	std::string buf;
 	if (!IsAbsolute(path))
-		components = Path::SplitNativePath(Path::Combine(FileSystem::GetWorkingDirectory(), path));
+	{
+		buf = Path::Combine(FileSystem::GetWorkingDirectory(), path);
+		components = Path::SplitNativePath(buf);
+	}
 	else
 		components = Path::SplitNativePath(path);
 
@@ -968,7 +974,7 @@ std::FILE* FileSystem::OpenCFile(const char* filename, const char* mode, Error*
 {
 #ifdef _WIN32
 	const std::wstring wfilename = GetWin32Path(filename);
-	const std::wstring wmode = GetWin32Path(mode);
+	const std::wstring wmode = StringUtil::UTF8StringToWideString(mode);
 	if (!wfilename.empty() && !wmode.empty())
 	{
 		std::FILE* fp;
@@ -1060,7 +1066,7 @@ std::FILE* FileSystem::OpenSharedCFile(const char* filename, const char* mode, F
 {
 #ifdef _WIN32
 	const std::wstring wfilename = GetWin32Path(filename);
-	const std::wstring wmode = GetWin32Path(mode);
+	const std::wstring wmode = StringUtil::UTF8StringToWideString(mode);
 	if (wfilename.empty() || wmode.empty())
 		return nullptr;
 

common/vsprops/LinkPCSX2Deps.props

@@ -4,7 +4,7 @@
   <ItemDefinitionGroup>
     <Link>
       <AdditionalLibraryDirectories>$(DepsLibDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>%(AdditionalDependencies);freetype.lib;libjpeg.lib;libpng16.lib;libwebp.lib;lz4.lib;SDL3.lib;zlib.lib;zstd.lib</AdditionalDependencies>
+      <AdditionalDependencies>%(AdditionalDependencies);freetype.lib;libjpeg.lib;libpng16.lib;libwebp.lib;lz4.lib;SDL3.lib;zlib.lib;zstd.lib;kddockwidgets-qt62.lib</AdditionalDependencies>
    </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
@@ -19,6 +19,7 @@
     <DepsDLLs Include="$(DepsBinDir)shaderc_shared.dll" />
     <DepsDLLs Include="$(DepsBinDir)zlib1.dll" />
     <DepsDLLs Include="$(DepsBinDir)zstd.dll" />
+    <DepsDLLs Include="$(DepsBinDir)kddockwidgets-qt62.dll" />
   </ItemGroup>
   <Target Name="DepsCopyDLLs"
     AfterTargets="Build"
@@ -31,4 +32,4 @@
       SkipUnchangedFiles="true"
     />
   </Target>
-</Project>
+</Project>

common/vsprops/QtCompile.props

@@ -30,6 +30,9 @@
       <AdditionalIncludeDirectories>$(ProjectDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <AdditionalIncludeDirectories>$(QtToolOutDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <AdditionalIncludeDirectories>$(QtIncludeDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(QtIncludeDir)\QtCore;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(QtIncludeDir)\QtGui;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(QtIncludeDir)\QtWidgets;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <AdditionalLibraryDirectories>$(QtLibDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>

pcsx2-gsrunner/Main.cpp

@@ -169,6 +169,12 @@ void Host::SetDefaultUISettings(SettingsInterface& si)
 	// nothing
 }
 
+bool Host::LocaleCircleConfirm()
+{
+	// not running any UI, so no settings requests will come in
+	return false;
+}
+
 std::unique_ptr<ProgressCallback> Host::CreateHostProgressCallback()
 {
 	return ProgressCallback::CreateNullProgressCallback();

pcsx2-qt/CMakeLists.txt

@@ -86,6 +86,9 @@ target_sources(pcsx2-qt PRIVATE
 	Settings/DebugAnalysisSettingsWidget.cpp
 	Settings/DebugAnalysisSettingsWidget.h
 	Settings/DebugAnalysisSettingsWidget.ui
+	Settings/DebugUserInterfaceSettingsWidget.cpp
+	Settings/DebugUserInterfaceSettingsWidget.h
+	Settings/DebugUserInterfaceSettingsWidget.ui
 	Settings/DebugSettingsWidget.cpp
 	Settings/DebugSettingsWidget.h
 	Settings/DebugSettingsWidget.ui
@@ -158,37 +161,66 @@ target_sources(pcsx2-qt PRIVATE
 	Debugger/AnalysisOptionsDialog.cpp
 	Debugger/AnalysisOptionsDialog.h
 	Debugger/AnalysisOptionsDialog.ui
-	Debugger/CpuWidget.cpp
-	Debugger/CpuWidget.h
-	Debugger/CpuWidget.ui
 	Debugger/DebuggerSettingsManager.cpp
 	Debugger/DebuggerSettingsManager.h
+	Debugger/DebuggerEvents.h
+	Debugger/DebuggerWidget.cpp
+	Debugger/DebuggerWidget.h
 	Debugger/DebuggerWindow.cpp
 	Debugger/DebuggerWindow.h
 	Debugger/DebuggerWindow.ui
 	Debugger/DisassemblyWidget.cpp
 	Debugger/DisassemblyWidget.h
 	Debugger/DisassemblyWidget.ui
-	Debugger/MemorySearchWidget.cpp
-	Debugger/MemorySearchWidget.h
-	Debugger/MemorySearchWidget.ui
-	Debugger/MemoryViewWidget.cpp
-	Debugger/MemoryViewWidget.h
-	Debugger/MemoryViewWidget.ui
+	Debugger/JsonValueWrapper.h
 	Debugger/RegisterWidget.cpp
 	Debugger/RegisterWidget.h
 	Debugger/RegisterWidget.ui
-	Debugger/BreakpointDialog.cpp
-	Debugger/BreakpointDialog.h
-	Debugger/BreakpointDialog.ui
-	Debugger/Models/BreakpointModel.cpp
-	Debugger/Models/BreakpointModel.h
-	Debugger/Models/ThreadModel.cpp
-	Debugger/Models/ThreadModel.h
-	Debugger/Models/StackModel.cpp
-	Debugger/Models/StackModel.h
-	Debugger/Models/SavedAddressesModel.cpp
-	Debugger/Models/SavedAddressesModel.h
+	Debugger/StackModel.cpp
+	Debugger/StackModel.h
+	Debugger/StackWidget.cpp
+	Debugger/StackWidget.h
+	Debugger/ThreadModel.cpp
+	Debugger/ThreadModel.h
+	Debugger/ThreadWidget.cpp
+	Debugger/ThreadWidget.h
+	Debugger/Breakpoints/BreakpointDialog.cpp
+	Debugger/Breakpoints/BreakpointDialog.h
+	Debugger/Breakpoints/BreakpointDialog.ui
+	Debugger/Breakpoints/BreakpointModel.cpp
+	Debugger/Breakpoints/BreakpointModel.h
+	Debugger/Breakpoints/BreakpointWidget.cpp
+	Debugger/Breakpoints/BreakpointWidget.h
+	Debugger/Breakpoints/BreakpointWidget.ui
+	Debugger/Docking/DockLayout.cpp
+	Debugger/Docking/DockLayout.h
+	Debugger/Docking/DockManager.cpp
+	Debugger/Docking/DockManager.h
+	Debugger/Docking/DockTables.cpp
+	Debugger/Docking/DockTables.h
+	Debugger/Docking/DockUtils.cpp
+	Debugger/Docking/DockUtils.h
+	Debugger/Docking/DockViews.cpp
+	Debugger/Docking/DockViews.h
+	Debugger/Docking/DropIndicators.cpp
+	Debugger/Docking/DropIndicators.h
+	Debugger/Docking/LayoutEditorDialog.cpp
+	Debugger/Docking/LayoutEditorDialog.h
+	Debugger/Docking/LayoutEditorDialog.ui
+	Debugger/Docking/NoLayoutsWidget.cpp
+	Debugger/Docking/NoLayoutsWidget.h
+	Debugger/Docking/NoLayoutsWidget.ui
+	Debugger/Memory/MemorySearchWidget.cpp
+	Debugger/Memory/MemorySearchWidget.h
+	Debugger/Memory/MemorySearchWidget.ui
+	Debugger/Memory/MemoryViewWidget.cpp
+	Debugger/Memory/MemoryViewWidget.h
+	Debugger/Memory/MemoryViewWidget.ui
+	Debugger/Memory/SavedAddressesModel.cpp
+	Debugger/Memory/SavedAddressesModel.h
+	Debugger/Memory/SavedAddressesWidget.cpp
+	Debugger/Memory/SavedAddressesWidget.h
+	Debugger/Memory/SavedAddressesWidget.ui
 	Debugger/SymbolTree/NewSymbolDialogs.cpp
 	Debugger/SymbolTree/NewSymbolDialogs.h
 	Debugger/SymbolTree/NewSymbolDialog.ui
@@ -232,6 +264,7 @@ target_link_libraries(pcsx2-qt PRIVATE
 	Qt6::Core
 	Qt6::Gui
 	Qt6::Widgets
+	KDAB::kddockwidgets
 )
 
 # Our Qt builds may have exceptions on, so force them off.

pcsx2-qt/Debugger/Breakpoints/BreakpointDialog.h

@@ -5,9 +5,9 @@
 
 #include "ui_BreakpointDialog.h"
 
-#include "DebugTools/Breakpoints.h"
+#include "BreakpointModel.h"
 
-#include "Models/BreakpointModel.h"
+#include "DebugTools/Breakpoints.h"
 
 #include <QtWidgets/QDialog>
 

pcsx2-qt/Debugger/Breakpoints/BreakpointModel.cpp

@@ -3,21 +3,48 @@
 
 #include "BreakpointModel.h"
 
+#include "QtHost.h"
+#include "QtUtils.h"
+#include "Debugger/DebuggerSettingsManager.h"
+
 #include "DebugTools/DebugInterface.h"
 #include "DebugTools/Breakpoints.h"
 #include "DebugTools/DisassemblyManager.h"
 #include "common/Console.h"
 
-#include "QtHost.h"
-#include "QtUtils.h"
 #include <QtWidgets/QMessageBox>
 
 #include <algorithm>
 
+std::map<BreakPointCpu, BreakpointModel*> BreakpointModel::s_instances;
+
 BreakpointModel::BreakpointModel(DebugInterface& cpu, QObject* parent)
 	: QAbstractTableModel(parent)
 	, m_cpu(cpu)
 {
+	if (m_cpu.getCpuType() == BREAKPOINT_EE)
+	{
+		connect(g_emu_thread, &EmuThread::onGameChanged, this, [this](const QString& title) {
+			if (title.isEmpty())
+				return;
+
+			if (rowCount() == 0)
+				DebuggerSettingsManager::loadGameSettings(this);
+		});
+
+		DebuggerSettingsManager::loadGameSettings(this);
+	}
+
+	connect(this, &BreakpointModel::dataChanged, this, &BreakpointModel::refreshData);
+}
+
+BreakpointModel* BreakpointModel::getInstance(DebugInterface& cpu)
+{
+	auto iterator = s_instances.find(cpu.getCpuType());
+	if (iterator == s_instances.end())
+		iterator = s_instances.emplace(cpu.getCpuType(), new BreakpointModel(cpu)).first;
+
+	return iterator->second;
 }
 
 int BreakpointModel::rowCount(const QModelIndex&) const
@@ -32,10 +59,14 @@ int BreakpointModel::columnCount(const QModelIndex&) const
 
 QVariant BreakpointModel::data(const QModelIndex& index, int role) const
 {
+	size_t row = static_cast<size_t>(index.row());
+	if (!index.isValid() || row >= m_breakpoints.size())
+		return QVariant();
+
+	const BreakpointMemcheck& bp_mc = m_breakpoints[row];
+
 	if (role == Qt::DisplayRole)
 	{
-		auto bp_mc = m_breakpoints.at(index.row());
-
 		if (const auto* bp = std::get_if<BreakPoint>(&bp_mc))
 		{
 			switch (index.column())
@@ -87,8 +118,6 @@ QVariant BreakpointModel::data(const QModelIndex& index, int role) const
 	}
 	else if (role == BreakpointModel::DataRole)
 	{
-		auto bp_mc = m_breakpoints.at(index.row());
-
 		if (const auto* bp = std::get_if<BreakPoint>(&bp_mc))
 		{
 			switch (index.column())
@@ -133,8 +162,6 @@ QVariant BreakpointModel::data(const QModelIndex& index, int role) const
 	}
 	else if (role == BreakpointModel::ExportRole)
 	{
-		auto bp_mc = m_breakpoints.at(index.row());
-
 		if (const auto* bp = std::get_if<BreakPoint>(&bp_mc))
 		{
 			switch (index.column())
@@ -181,8 +208,6 @@ QVariant BreakpointModel::data(const QModelIndex& index, int role) const
 	{
 		if (index.column() == 0)
 		{
-			auto bp_mc = m_breakpoints.at(index.row());
-
 			if (const auto* bp = std::get_if<BreakPoint>(&bp_mc))
 			{
 				return bp->enabled ? Qt::CheckState::Checked : Qt::CheckState::Unchecked;
@@ -273,12 +298,14 @@ Qt::ItemFlags BreakpointModel::flags(const QModelIndex& index) const
 
 bool BreakpointModel::setData(const QModelIndex& index, const QVariant& value, int role)
 {
-	std::string error;
+	size_t row = static_cast<size_t>(index.row());
+	if (!index.isValid() || row >= m_breakpoints.size())
+		return false;
+
+	const BreakpointMemcheck& bp_mc = m_breakpoints[row];
 
 	if (role == Qt::CheckStateRole && index.column() == BreakpointColumns::ENABLED)
 	{
-		auto bp_mc = m_breakpoints.at(index.row());
-
 		if (const auto* bp = std::get_if<BreakPoint>(&bp_mc))
 		{
 			Host::RunOnCPUThread([cpu = this->m_cpu.getCpuType(), bp = *bp, enabled = value.toBool()] {
@@ -297,8 +324,6 @@ bool BreakpointModel::setData(const QModelIndex& index, const QVariant& value, i
 	}
 	else if (role == Qt::EditRole && index.column() == BreakpointColumns::CONDITION)
 	{
-		auto bp_mc = m_breakpoints.at(index.row());
-
 		if (auto* bp = std::get_if<BreakPoint>(&bp_mc))
 		{
 			const QString condValue = value.toString();
@@ -316,6 +341,7 @@ bool BreakpointModel::setData(const QModelIndex& index, const QVariant& value, i
 			{
 				PostfixExpression expr;
 
+				std::string error;
 				if (!m_cpu.initExpression(condValue.toLocal8Bit().constData(), expr, error))
 				{
 					QMessageBox::warning(nullptr, "Condition Error", QString::fromStdString(error));
@@ -349,6 +375,7 @@ bool BreakpointModel::setData(const QModelIndex& index, const QVariant& value, i
 			{
 				PostfixExpression expr;
 
+				std::string error;
 				if (!m_cpu.initExpression(condValue.toLocal8Bit().constData(), expr, error))
 				{
 					QMessageBox::warning(nullptr, "Condition Error", QString::fromStdString(error));

pcsx2-qt/Debugger/Breakpoints/BreakpointModel.h

@@ -34,8 +34,7 @@ public:
 		ExportRole = Qt::UserRole + 1,
 	};
 
-	static constexpr QHeaderView::ResizeMode HeaderResizeModes[BreakpointColumns::COLUMN_COUNT] =
-	{
+	static constexpr QHeaderView::ResizeMode HeaderResizeModes[BreakpointColumns::COLUMN_COUNT] = {
 		QHeaderView::ResizeMode::ResizeToContents,
 		QHeaderView::ResizeMode::ResizeToContents,
 		QHeaderView::ResizeMode::ResizeToContents,
@@ -45,7 +44,7 @@ public:
 		QHeaderView::ResizeMode::ResizeToContents,
 	};
 
-	explicit BreakpointModel(DebugInterface& cpu, QObject* parent = nullptr);
+	static BreakpointModel* getInstance(DebugInterface& cpu);
 
 	int rowCount(const QModelIndex& parent = QModelIndex()) const override;
 	int columnCount(const QModelIndex& parent = QModelIndex()) const override;
@@ -63,6 +62,10 @@ public:
 	void clear();
 
 private:
+	BreakpointModel(DebugInterface& cpu, QObject* parent = nullptr);
+
 	DebugInterface& m_cpu;
 	std::vector<BreakpointMemcheck> m_breakpoints;
+
+	static std::map<BreakPointCpu, BreakpointModel*> s_instances;
 };

pcsx2-qt/Debugger/Breakpoints/BreakpointWidget.cpp

@@ -0,0 +1,176 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "BreakpointWidget.h"
+
+#include "QtUtils.h"
+#include "Debugger/DebuggerSettingsManager.h"
+#include "BreakpointDialog.h"
+#include "BreakpointModel.h"
+
+#include <QtGui/QClipboard>
+
+BreakpointWidget::BreakpointWidget(const DebuggerWidgetParameters& parameters)
+	: DebuggerWidget(parameters, DISALLOW_MULTIPLE_INSTANCES)
+	, m_model(BreakpointModel::getInstance(cpu()))
+{
+	m_ui.setupUi(this);
+
+	m_ui.breakpointList->setContextMenuPolicy(Qt::CustomContextMenu);
+	connect(m_ui.breakpointList, &QTableView::customContextMenuRequested, this, &BreakpointWidget::openContextMenu);
+	connect(m_ui.breakpointList, &QTableView::doubleClicked, this, &BreakpointWidget::onDoubleClicked);
+
+	m_ui.breakpointList->setModel(m_model);
+	for (std::size_t i = 0; auto mode : BreakpointModel::HeaderResizeModes)
+	{
+		m_ui.breakpointList->horizontalHeader()->setSectionResizeMode(i, mode);
+		i++;
+	}
+}
+
+void BreakpointWidget::onDoubleClicked(const QModelIndex& index)
+{
+	if (index.isValid() && index.column() == BreakpointModel::OFFSET)
+		goToInDisassembler(m_model->data(index, BreakpointModel::DataRole).toUInt(), true);
+}
+
+void BreakpointWidget::openContextMenu(QPoint pos)
+{
+	QMenu* menu = new QMenu(m_ui.breakpointList);
+	menu->setAttribute(Qt::WA_DeleteOnClose);
+
+	if (cpu().isAlive())
+	{
+		QAction* newAction = menu->addAction(tr("New"));
+		connect(newAction, &QAction::triggered, this, &BreakpointWidget::contextNew);
+
+		const QItemSelectionModel* selModel = m_ui.breakpointList->selectionModel();
+
+		if (selModel->hasSelection())
+		{
+			QAction* editAction = menu->addAction(tr("Edit"));
+			connect(editAction, &QAction::triggered, this, &BreakpointWidget::contextEdit);
+
+			if (selModel->selectedIndexes().count() == 1)
+			{
+				QAction* copyAction = menu->addAction(tr("Copy"));
+				connect(copyAction, &QAction::triggered, this, &BreakpointWidget::contextCopy);
+			}
+
+			QAction* deleteAction = menu->addAction(tr("Delete"));
+			connect(deleteAction, &QAction::triggered, this, &BreakpointWidget::contextDelete);
+		}
+	}
+
+	menu->addSeparator();
+	if (m_model->rowCount() > 0)
+	{
+		QAction* actionExport = menu->addAction(tr("Copy all as CSV"));
+		connect(actionExport, &QAction::triggered, [this]() {
+			// It's important to use the Export Role here to allow pasting to be translation agnostic
+			QGuiApplication::clipboard()->setText(
+				QtUtils::AbstractItemModelToCSV(m_model, BreakpointModel::ExportRole, true));
+		});
+	}
+
+	if (cpu().isAlive())
+	{
+		QAction* actionImport = menu->addAction(tr("Paste from CSV"));
+		connect(actionImport, &QAction::triggered, this, &BreakpointWidget::contextPasteCSV);
+
+		if (cpu().getCpuType() == BREAKPOINT_EE)
+		{
+			QAction* actionLoad = menu->addAction(tr("Load from Settings"));
+			connect(actionLoad, &QAction::triggered, [this]() {
+				m_model->clear();
+				DebuggerSettingsManager::loadGameSettings(m_model);
+			});
+
+			QAction* actionSave = menu->addAction(tr("Save to Settings"));
+			connect(actionSave, &QAction::triggered, this, &BreakpointWidget::saveBreakpointsToDebuggerSettings);
+		}
+	}
+
+	menu->popup(m_ui.breakpointList->viewport()->mapToGlobal(pos));
+}
+
+void BreakpointWidget::contextCopy()
+{
+	const QItemSelectionModel* selModel = m_ui.breakpointList->selectionModel();
+
+	if (!selModel->hasSelection())
+		return;
+
+	QGuiApplication::clipboard()->setText(m_model->data(selModel->currentIndex()).toString());
+}
+
+void BreakpointWidget::contextDelete()
+{
+	const QItemSelectionModel* selModel = m_ui.breakpointList->selectionModel();
+
+	if (!selModel->hasSelection())
+		return;
+
+	QModelIndexList rows = selModel->selectedIndexes();
+
+	std::sort(rows.begin(), rows.end(), [](const QModelIndex& a, const QModelIndex& b) {
+		return a.row() > b.row();
+	});
+
+	for (const QModelIndex& index : rows)
+	{
+		m_model->removeRows(index.row(), 1);
+	}
+}
+
+void BreakpointWidget::contextNew()
+{
+	BreakpointDialog* bpDialog = new BreakpointDialog(this, &cpu(), *m_model);
+	bpDialog->setAttribute(Qt::WA_DeleteOnClose);
+	bpDialog->show();
+}
+
+void BreakpointWidget::contextEdit()
+{
+	const QItemSelectionModel* selModel = m_ui.breakpointList->selectionModel();
+
+	if (!selModel->hasSelection())
+		return;
+
+	const int selectedRow = selModel->selectedIndexes().first().row();
+
+	auto bpObject = m_model->at(selectedRow);
+
+	BreakpointDialog* bpDialog = new BreakpointDialog(this, &cpu(), *m_model, bpObject, selectedRow);
+	bpDialog->setAttribute(Qt::WA_DeleteOnClose);
+	bpDialog->show();
+}
+
+void BreakpointWidget::contextPasteCSV()
+{
+	QString csv = QGuiApplication::clipboard()->text();
+	// Skip header
+	csv = csv.mid(csv.indexOf('\n') + 1);
+
+	for (const QString& line : csv.split('\n'))
+	{
+		QStringList fields;
+		// In order to handle text with commas in them we must wrap values in quotes to mark
+		// where a value starts and end so that text commas aren't identified as delimiters.
+		// So matches each quote pair, parse it out, and removes the quotes to get the value.
+		QRegularExpression eachQuotePair(R"("([^"]|\\.)*")");
+		QRegularExpressionMatchIterator it = eachQuotePair.globalMatch(line);
+		while (it.hasNext())
+		{
+			QRegularExpressionMatch match = it.next();
+			QString matchedValue = match.captured(0);
+			fields << matchedValue.mid(1, matchedValue.length() - 2);
+		}
+		m_model->loadBreakpointFromFieldList(fields);
+	}
+}
+
+void BreakpointWidget::saveBreakpointsToDebuggerSettings()
+{
+	DebuggerSettingsManager::saveGameSettings(m_model);
+}

pcsx2-qt/Debugger/Breakpoints/BreakpointWidget.h

@@ -0,0 +1,41 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "ui_BreakpointWidget.h"
+
+#include "BreakpointModel.h"
+
+#include "Debugger/DebuggerWidget.h"
+
+#include "DebugTools/DebugInterface.h"
+#include "DebugTools/DisassemblyManager.h"
+
+#include <QtWidgets/QMenu>
+#include <QtWidgets/QTabBar>
+#include <QtGui/QPainter>
+
+class BreakpointWidget : public DebuggerWidget
+{
+	Q_OBJECT
+
+public:
+	BreakpointWidget(const DebuggerWidgetParameters& parameters);
+
+	void onDoubleClicked(const QModelIndex& index);
+	void openContextMenu(QPoint pos);
+
+	void contextCopy();
+	void contextDelete();
+	void contextNew();
+	void contextEdit();
+	void contextPasteCSV();
+
+	void saveBreakpointsToDebuggerSettings();
+
+private:
+	Ui::BreakpointWidget m_ui;
+
+	BreakpointModel* m_model;
+};

pcsx2-qt/Debugger/Breakpoints/BreakpointWidget.ui

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>BreakpointWidget</class>
+ <widget class="QWidget" name="BreakpointWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="spacing">
+    <number>0</number>
+   </property>
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="QTableView" name="breakpointList"/>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

pcsx2-qt/Debugger/CpuWidget.cpp

@@ -1,732 +0,0 @@
-// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
-// SPDX-License-Identifier: GPL-3.0+
-
-#include "CpuWidget.h"
-
-#include "DisassemblyWidget.h"
-#include "BreakpointDialog.h"
-#include "Models/BreakpointModel.h"
-#include "Models/ThreadModel.h"
-#include "Models/SavedAddressesModel.h"
-#include "Debugger/DebuggerSettingsManager.h"
-
-#include "DebugTools/DebugInterface.h"
-#include "DebugTools/Breakpoints.h"
-#include "DebugTools/MipsStackWalk.h"
-
-#include "QtUtils.h"
-
-#include "common/Console.h"
-
-#include <QtGui/QClipboard>
-#include <QtWidgets/QMessageBox>
-#include <QtConcurrent/QtConcurrent>
-#include <QtCore/QFutureWatcher>
-#include <QtCore/QRegularExpression>
-#include <QtCore/QRegularExpressionMatchIterator>
-#include <QtCore/QStringList>
-#include <QtWidgets/QScrollBar>
-
-using namespace QtUtils;
-using namespace MipsStackWalk;
-
-CpuWidget::CpuWidget(QWidget* parent, DebugInterface& cpu)
-	: m_cpu(cpu)
-	, m_bpModel(cpu)
-	, m_threadModel(cpu)
-	, m_stackModel(cpu)
-	, m_savedAddressesModel(cpu)
-{
-	m_ui.setupUi(this);
-
-	connect(g_emu_thread, &EmuThread::onVMPaused, this, &CpuWidget::onVMPaused);
-	connect(g_emu_thread, &EmuThread::onGameChanged, this, [this](const QString& title) {
-		if (title.isEmpty())
-			return;
-		// Don't overwrite users BPs/Saved Addresses unless they have a clean state.
-		if (m_bpModel.rowCount() == 0)
-			DebuggerSettingsManager::loadGameSettings(&m_bpModel);
-		if (m_savedAddressesModel.rowCount() == 0)
-			DebuggerSettingsManager::loadGameSettings(&m_savedAddressesModel);
-	});
-
-	connect(m_ui.registerWidget, &RegisterWidget::gotoInDisasm, m_ui.disassemblyWidget, &DisassemblyWidget::gotoAddress);
-	connect(m_ui.memoryviewWidget, &MemoryViewWidget::gotoInDisasm, m_ui.disassemblyWidget, &DisassemblyWidget::gotoAddress);
-	connect(m_ui.memoryviewWidget, &MemoryViewWidget::addToSavedAddresses, this, &CpuWidget::addAddressToSavedAddressesList);
-
-	connect(m_ui.registerWidget, &RegisterWidget::gotoInMemory, this, &CpuWidget::onGotoInMemory);
-	connect(m_ui.disassemblyWidget, &DisassemblyWidget::gotoInMemory, this, &CpuWidget::onGotoInMemory);
-
-	connect(m_ui.memoryviewWidget, &MemoryViewWidget::VMUpdate, this, &CpuWidget::reloadCPUWidgets);
-	connect(m_ui.registerWidget, &RegisterWidget::VMUpdate, this, &CpuWidget::reloadCPUWidgets);
-	connect(m_ui.disassemblyWidget, &DisassemblyWidget::VMUpdate, this, &CpuWidget::reloadCPUWidgets);
-
-	connect(m_ui.disassemblyWidget, &DisassemblyWidget::breakpointsChanged, this, &CpuWidget::updateBreakpoints);
-
-	connect(m_ui.breakpointList, &QTableView::customContextMenuRequested, this, &CpuWidget::onBPListContextMenu);
-	connect(m_ui.breakpointList, &QTableView::doubleClicked, this, &CpuWidget::onBPListDoubleClicked);
-
-	m_ui.breakpointList->setModel(&m_bpModel);
-	for (std::size_t i = 0; auto mode : BreakpointModel::HeaderResizeModes)
-	{
-		m_ui.breakpointList->horizontalHeader()->setSectionResizeMode(i, mode);
-		i++;
-	}
-
-	connect(&m_bpModel, &BreakpointModel::dataChanged, this, &CpuWidget::updateBreakpoints);
-
-	connect(m_ui.threadList, &QTableView::customContextMenuRequested, this, &CpuWidget::onThreadListContextMenu);
-	connect(m_ui.threadList, &QTableView::doubleClicked, this, &CpuWidget::onThreadListDoubleClick);
-
-	m_threadProxyModel.setSourceModel(&m_threadModel);
-	m_threadProxyModel.setSortRole(Qt::UserRole);
-	m_ui.threadList->setModel(&m_threadProxyModel);
-	m_ui.threadList->setSortingEnabled(true);
-	m_ui.threadList->sortByColumn(ThreadModel::ThreadColumns::ID, Qt::SortOrder::AscendingOrder);
-	for (std::size_t i = 0; auto mode : ThreadModel::HeaderResizeModes)
-	{
-		m_ui.threadList->horizontalHeader()->setSectionResizeMode(i, mode);
-		i++;
-	}
-
-	connect(m_ui.stackList, &QTableView::customContextMenuRequested, this, &CpuWidget::onStackListContextMenu);
-	connect(m_ui.stackList, &QTableView::doubleClicked, this, &CpuWidget::onStackListDoubleClick);
-
-	m_ui.stackList->setModel(&m_stackModel);
-	for (std::size_t i = 0; auto mode : StackModel::HeaderResizeModes)
-	{
-		m_ui.stackList->horizontalHeader()->setSectionResizeMode(i, mode);
-		i++;
-	}
-
-	m_ui.disassemblyWidget->SetCpu(&cpu);
-	m_ui.registerWidget->SetCpu(&cpu);
-	m_ui.memoryviewWidget->SetCpu(&cpu);
-
-	this->repaint();
-
-	m_ui.savedAddressesList->setModel(&m_savedAddressesModel);
-	m_ui.savedAddressesList->setContextMenuPolicy(Qt::CustomContextMenu);
-	connect(m_ui.savedAddressesList, &QTableView::customContextMenuRequested, this, &CpuWidget::onSavedAddressesListContextMenu);
-	for (std::size_t i = 0; auto mode : SavedAddressesModel::HeaderResizeModes)
-	{
-		m_ui.savedAddressesList->horizontalHeader()->setSectionResizeMode(i++, mode);
-	}
-	QTableView* savedAddressesTableView = m_ui.savedAddressesList;
-	connect(m_ui.savedAddressesList->model(), &QAbstractItemModel::dataChanged, [savedAddressesTableView](const QModelIndex& topLeft) {
-		savedAddressesTableView->resizeColumnToContents(topLeft.column());
-	});
-
-	setupSymbolTrees();
-
-	DebuggerSettingsManager::loadGameSettings(&m_bpModel);
-	DebuggerSettingsManager::loadGameSettings(&m_savedAddressesModel);
-
-	connect(m_ui.memorySearchWidget, &MemorySearchWidget::addAddressToSavedAddressesList, this, &CpuWidget::addAddressToSavedAddressesList);
-	connect(m_ui.memorySearchWidget, &MemorySearchWidget::goToAddressInDisassemblyView,
-		[this](u32 address) { m_ui.disassemblyWidget->gotoAddress(address, true); });
-	connect(m_ui.memorySearchWidget, &MemorySearchWidget::goToAddressInMemoryView, m_ui.memoryviewWidget, &MemoryViewWidget::gotoAddress);
-	connect(m_ui.memorySearchWidget, &MemorySearchWidget::switchToMemoryViewTab,
-		[this]() { m_ui.tabWidget->setCurrentWidget(m_ui.tab_memory); });
-	m_ui.memorySearchWidget->setCpu(&m_cpu);
-
-	m_refreshDebuggerTimer.setInterval(1000);
-	connect(&m_refreshDebuggerTimer, &QTimer::timeout, this, &CpuWidget::refreshDebugger);
-	m_refreshDebuggerTimer.start();
-}
-
-CpuWidget::~CpuWidget() = default;
-
-void CpuWidget::setupSymbolTrees()
-{
-	m_ui.tabFunctions->setLayout(new QVBoxLayout());
-	m_ui.tabGlobalVariables->setLayout(new QVBoxLayout());
-	m_ui.tabLocalVariables->setLayout(new QVBoxLayout());
-	m_ui.tabParameterVariables->setLayout(new QVBoxLayout());
-
-	m_ui.tabFunctions->layout()->setContentsMargins(0, 0, 0, 0);
-	m_ui.tabGlobalVariables->layout()->setContentsMargins(0, 0, 0, 0);
-	m_ui.tabLocalVariables->layout()->setContentsMargins(0, 0, 0, 0);
-	m_ui.tabParameterVariables->layout()->setContentsMargins(0, 0, 0, 0);
-
-	m_function_tree = new FunctionTreeWidget(m_cpu);
-	m_global_variable_tree = new GlobalVariableTreeWidget(m_cpu);
-	m_local_variable_tree = new LocalVariableTreeWidget(m_cpu);
-	m_parameter_variable_tree = new ParameterVariableTreeWidget(m_cpu);
-
-	m_function_tree->updateModel();
-	m_global_variable_tree->updateModel();
-	m_local_variable_tree->updateModel();
-	m_parameter_variable_tree->updateModel();
-
-	m_ui.tabFunctions->layout()->addWidget(m_function_tree);
-	m_ui.tabGlobalVariables->layout()->addWidget(m_global_variable_tree);
-	m_ui.tabLocalVariables->layout()->addWidget(m_local_variable_tree);
-	m_ui.tabParameterVariables->layout()->addWidget(m_parameter_variable_tree);
-
-	connect(m_function_tree, &SymbolTreeWidget::goToInDisassembly, m_ui.disassemblyWidget, &DisassemblyWidget::gotoAddressAndSetFocus);
-	connect(m_global_variable_tree, &SymbolTreeWidget::goToInDisassembly, m_ui.disassemblyWidget, &DisassemblyWidget::gotoAddressAndSetFocus);
-	connect(m_local_variable_tree, &SymbolTreeWidget::goToInDisassembly, m_ui.disassemblyWidget, &DisassemblyWidget::gotoAddressAndSetFocus);
-	connect(m_parameter_variable_tree, &SymbolTreeWidget::goToInDisassembly, m_ui.disassemblyWidget, &DisassemblyWidget::gotoAddressAndSetFocus);
-
-	connect(m_function_tree, &SymbolTreeWidget::goToInMemoryView, this, &CpuWidget::onGotoInMemory);
-	connect(m_global_variable_tree, &SymbolTreeWidget::goToInMemoryView, this, &CpuWidget::onGotoInMemory);
-	connect(m_local_variable_tree, &SymbolTreeWidget::goToInMemoryView, this, &CpuWidget::onGotoInMemory);
-	connect(m_parameter_variable_tree, &SymbolTreeWidget::goToInMemoryView, this, &CpuWidget::onGotoInMemory);
-
-	connect(m_function_tree, &SymbolTreeWidget::nameColumnClicked, m_ui.disassemblyWidget, &DisassemblyWidget::gotoAddressAndSetFocus);
-	connect(m_function_tree, &SymbolTreeWidget::locationColumnClicked, m_ui.disassemblyWidget, &DisassemblyWidget::gotoAddressAndSetFocus);
-}
-
-void CpuWidget::refreshDebugger()
-{
-	if (!m_cpu.isAlive())
-		return;
-
-	m_ui.registerWidget->update();
-	m_ui.disassemblyWidget->update();
-	m_ui.memoryviewWidget->update();
-	m_ui.memorySearchWidget->update();
-
-	m_function_tree->updateModel();
-	m_global_variable_tree->updateModel();
-	m_local_variable_tree->updateModel();
-	m_parameter_variable_tree->updateModel();
-}
-
-void CpuWidget::reloadCPUWidgets()
-{
-	updateThreads();
-	updateStackFrames();
-
-	m_ui.registerWidget->update();
-	m_ui.disassemblyWidget->update();
-	m_ui.memoryviewWidget->update();
-
-	m_function_tree->updateModel();
-	m_global_variable_tree->updateModel();
-	m_local_variable_tree->updateModel();
-	m_parameter_variable_tree->updateModel();
-}
-
-void CpuWidget::paintEvent(QPaintEvent* event)
-{
-	m_ui.registerWidget->update();
-	m_ui.disassemblyWidget->update();
-	m_ui.memoryviewWidget->update();
-	m_ui.memorySearchWidget->update();
-}
-
-// The cpu shouldn't be alive when these are called
-// But make sure it isn't just in case
-void CpuWidget::onStepInto()
-{
-	if (!m_cpu.isAlive() || !m_cpu.isCpuPaused())
-		return;
-
-	// Allow the cpu to skip this pc if it is a breakpoint
-	CBreakPoints::SetSkipFirst(m_cpu.getCpuType(), m_cpu.getPC());
-
-	const u32 pc = m_cpu.getPC();
-	const MIPSAnalyst::MipsOpcodeInfo info = MIPSAnalyst::GetOpcodeInfo(&m_cpu, pc);
-
-	u32 bpAddr = pc + 0x4; // Default to the next instruction
-
-	if (info.isBranch)
-	{
-		if (!info.isConditional)
-		{
-			bpAddr = info.branchTarget;
-		}
-		else
-		{
-			if (info.conditionMet)
-			{
-				bpAddr = info.branchTarget;
-			}
-			else
-			{
-				bpAddr = pc + (2 * 4); // Skip branch delay slot
-			}
-		}
-	}
-
-	if (info.isSyscall)
-		bpAddr = info.branchTarget; // Syscalls are always taken
-
-	Host::RunOnCPUThread([cpu = &m_cpu, bpAddr] {
-		CBreakPoints::AddBreakPoint(cpu->getCpuType(), bpAddr, true);
-		cpu->resumeCpu();
-	});
-
-	this->repaint();
-}
-
-void CpuWidget::onStepOut()
-{
-	if (!m_cpu.isAlive() || !m_cpu.isCpuPaused())
-		return;
-
-	// Allow the cpu to skip this pc if it is a breakpoint
-	CBreakPoints::SetSkipFirst(m_cpu.getCpuType(), m_cpu.getPC());
-
-	if (m_stackModel.rowCount() < 2)
-		return;
-
-	Host::RunOnCPUThread([cpu = &m_cpu, stackModel = &m_stackModel] {
-		CBreakPoints::AddBreakPoint(cpu->getCpuType(), stackModel->data(stackModel->index(1, StackModel::PC), Qt::UserRole).toUInt(), true);
-		cpu->resumeCpu();
-	});
-
-	this->repaint();
-}
-
-void CpuWidget::onStepOver()
-{
-	if (!m_cpu.isAlive() || !m_cpu.isCpuPaused())
-		return;
-
-	const u32 pc = m_cpu.getPC();
-	const MIPSAnalyst::MipsOpcodeInfo info = MIPSAnalyst::GetOpcodeInfo(&m_cpu, pc);
-
-	u32 bpAddr = pc + 0x4; // Default to the next instruction
-
-	if (info.isBranch)
-	{
-		if (!info.isConditional)
-		{
-			if (info.isLinkedBranch) // jal, jalr
-			{
-				// it's a function call with a delay slot - skip that too
-				bpAddr += 4;
-			}
-			else // j, ...
-			{
-				// in case of absolute branches, set the breakpoint at the branch target
-				bpAddr = info.branchTarget;
-			}
-		}
-		else // beq, ...
-		{
-			if (info.conditionMet)
-			{
-				bpAddr = info.branchTarget;
-			}
-			else
-			{
-				bpAddr = pc + (2 * 4); // Skip branch delay slot
-			}
-		}
-	}
-
-	Host::RunOnCPUThread([cpu = &m_cpu, bpAddr] {
-		CBreakPoints::AddBreakPoint(cpu->getCpuType(), bpAddr, true);
-		cpu->resumeCpu();
-	});
-
-	this->repaint();
-}
-
-void CpuWidget::onVMPaused()
-{
-	// Stops us from telling the disassembly dialog to jump somwhere because breakpoint code paused the core.
-	if (CBreakPoints::GetCorePaused())
-	{
-		CBreakPoints::SetCorePaused(false);
-	}
-	else
-	{
-		m_ui.disassemblyWidget->gotoProgramCounterOnPause();
-	}
-
-	reloadCPUWidgets();
-	this->repaint();
-}
-
-void CpuWidget::updateBreakpoints()
-{
-	m_bpModel.refreshData();
-}
-
-void CpuWidget::onBPListDoubleClicked(const QModelIndex& index)
-{
-	if (index.isValid())
-	{
-		if (index.column() == BreakpointModel::OFFSET)
-		{
-			m_ui.disassemblyWidget->gotoAddressAndSetFocus(m_bpModel.data(index, BreakpointModel::DataRole).toUInt());
-		}
-	}
-}
-
-void CpuWidget::onBPListContextMenu(QPoint pos)
-{
-	QMenu* contextMenu = new QMenu(tr("Breakpoint List Context Menu"), m_ui.breakpointList);
-	if (m_cpu.isAlive())
-	{
-
-		QAction* newAction = new QAction(tr("New"), m_ui.breakpointList);
-		connect(newAction, &QAction::triggered, this, &CpuWidget::contextBPListNew);
-		contextMenu->addAction(newAction);
-
-		const QItemSelectionModel* selModel = m_ui.breakpointList->selectionModel();
-
-		if (selModel->hasSelection())
-		{
-			QAction* editAction = new QAction(tr("Edit"), m_ui.breakpointList);
-			connect(editAction, &QAction::triggered, this, &CpuWidget::contextBPListEdit);
-			contextMenu->addAction(editAction);
-
-			if (selModel->selectedIndexes().count() == 1)
-			{
-				QAction* copyAction = new QAction(tr("Copy"), m_ui.breakpointList);
-				connect(copyAction, &QAction::triggered, this, &CpuWidget::contextBPListCopy);
-				contextMenu->addAction(copyAction);
-			}
-
-			QAction* deleteAction = new QAction(tr("Delete"), m_ui.breakpointList);
-			connect(deleteAction, &QAction::triggered, this, &CpuWidget::contextBPListDelete);
-			contextMenu->addAction(deleteAction);
-		}
-	}
-
-	contextMenu->addSeparator();
-	if (m_bpModel.rowCount() > 0)
-	{
-		QAction* actionExport = new QAction(tr("Copy all as CSV"), m_ui.breakpointList);
-		connect(actionExport, &QAction::triggered, [this]() {
-			// It's important to use the Export Role here to allow pasting to be translation agnostic
-			QGuiApplication::clipboard()->setText(QtUtils::AbstractItemModelToCSV(m_ui.breakpointList->model(), BreakpointModel::ExportRole, true));
-		});
-		contextMenu->addAction(actionExport);
-	}
-
-	if (m_cpu.isAlive())
-	{
-		QAction* actionImport = new QAction(tr("Paste from CSV"), m_ui.breakpointList);
-		connect(actionImport, &QAction::triggered, this, &CpuWidget::contextBPListPasteCSV);
-		contextMenu->addAction(actionImport);
-
-		QAction* actionLoad = new QAction(tr("Load from Settings"), m_ui.breakpointList);
-		connect(actionLoad, &QAction::triggered, [this]() {
-			m_bpModel.clear();
-			DebuggerSettingsManager::loadGameSettings(&m_bpModel);
-		});
-		contextMenu->addAction(actionLoad);
-
-		QAction* actionSave = new QAction(tr("Save to Settings"), m_ui.breakpointList);
-		connect(actionSave, &QAction::triggered, this, &CpuWidget::saveBreakpointsToDebuggerSettings);
-		contextMenu->addAction(actionSave);
-	}
-
-	contextMenu->popup(m_ui.breakpointList->viewport()->mapToGlobal(pos));
-}
-
-void CpuWidget::onGotoInMemory(u32 address)
-{
-	m_ui.memoryviewWidget->gotoAddress(address);
-	m_ui.tabWidget->setCurrentWidget(m_ui.tab_memory);
-}
-
-void CpuWidget::contextBPListCopy()
-{
-	const QItemSelectionModel* selModel = m_ui.breakpointList->selectionModel();
-
-	if (!selModel->hasSelection())
-		return;
-
-	QGuiApplication::clipboard()->setText(m_bpModel.data(selModel->currentIndex()).toString());
-}
-
-void CpuWidget::contextBPListDelete()
-{
-	const QItemSelectionModel* selModel = m_ui.breakpointList->selectionModel();
-
-	if (!selModel->hasSelection())
-		return;
-
-	QModelIndexList rows = selModel->selectedIndexes();
-
-	std::sort(rows.begin(), rows.end(), [](const QModelIndex& a, const QModelIndex& b) {
-		return a.row() > b.row();
-	});
-
-	for (const QModelIndex& index : rows)
-	{
-		m_bpModel.removeRows(index.row(), 1);
-	}
-}
-
-void CpuWidget::contextBPListNew()
-{
-	BreakpointDialog* bpDialog = new BreakpointDialog(this, &m_cpu, m_bpModel);
-	bpDialog->show();
-}
-
-void CpuWidget::contextBPListEdit()
-{
-	const QItemSelectionModel* selModel = m_ui.breakpointList->selectionModel();
-
-	if (!selModel->hasSelection())
-		return;
-
-	const int selectedRow = selModel->selectedIndexes().first().row();
-
-	auto bpObject = m_bpModel.at(selectedRow);
-
-	BreakpointDialog* bpDialog = new BreakpointDialog(this, &m_cpu, m_bpModel, bpObject, selectedRow);
-	bpDialog->show();
-}
-
-void CpuWidget::contextBPListPasteCSV()
-{
-	QString csv = QGuiApplication::clipboard()->text();
-	// Skip header
-	csv = csv.mid(csv.indexOf('\n') + 1);
-
-	for (const QString& line : csv.split('\n'))
-	{
-		QStringList fields;
-		// In order to handle text with commas in them we must wrap values in quotes to mark
-		// where a value starts and end so that text commas aren't identified as delimiters.
-		// So matches each quote pair, parse it out, and removes the quotes to get the value.
-		QRegularExpression eachQuotePair(R"("([^"]|\\.)*")");
-		QRegularExpressionMatchIterator it = eachQuotePair.globalMatch(line);
-		while (it.hasNext())
-		{
-			QRegularExpressionMatch match = it.next();
-			QString matchedValue = match.captured(0);
-			fields << matchedValue.mid(1, matchedValue.length() - 2);
-		}
-		m_bpModel.loadBreakpointFromFieldList(fields);
-	}
-}
-
-void CpuWidget::onSavedAddressesListContextMenu(QPoint pos)
-{
-	QMenu* contextMenu = new QMenu("Saved Addresses List Context Menu", m_ui.savedAddressesList);
-
-	QAction* newAction = new QAction(tr("New"), m_ui.savedAddressesList);
-	connect(newAction, &QAction::triggered, this, &CpuWidget::contextSavedAddressesListNew);
-	contextMenu->addAction(newAction);
-
-	const QModelIndex indexAtPos = m_ui.savedAddressesList->indexAt(pos);
-	const bool isIndexValid = indexAtPos.isValid();
-
-	if (isIndexValid)
-	{
-		if (m_cpu.isAlive())
-		{
-			QAction* goToAddressMemViewAction = new QAction(tr("Go to in Memory View"), m_ui.savedAddressesList);
-			connect(goToAddressMemViewAction, &QAction::triggered, this, [this, indexAtPos]() {
-				const QModelIndex rowAddressIndex = m_ui.savedAddressesList->model()->index(indexAtPos.row(), 0, QModelIndex());
-				m_ui.memoryviewWidget->gotoAddress(m_ui.savedAddressesList->model()->data(rowAddressIndex, Qt::UserRole).toUInt());
-				m_ui.tabWidget->setCurrentWidget(m_ui.tab_memory);
-			});
-			contextMenu->addAction(goToAddressMemViewAction);
-
-			QAction* goToAddressDisassemblyAction = new QAction(tr("Go to in Disassembly"), m_ui.savedAddressesList);
-			connect(goToAddressDisassemblyAction, &QAction::triggered, this, [this, indexAtPos]() {
-				const QModelIndex rowAddressIndex = m_ui.savedAddressesList->model()->index(indexAtPos.row(), 0, QModelIndex());
-				m_ui.disassemblyWidget->gotoAddressAndSetFocus(m_ui.savedAddressesList->model()->data(rowAddressIndex, Qt::UserRole).toUInt());
-			});
-			contextMenu->addAction(goToAddressDisassemblyAction);
-		}
-
-		QAction* copyAction = new QAction(indexAtPos.column() == 0 ? tr("Copy Address") : tr("Copy Text"), m_ui.savedAddressesList);
-		connect(copyAction, &QAction::triggered, [this, indexAtPos]() {
-			QGuiApplication::clipboard()->setText(m_ui.savedAddressesList->model()->data(indexAtPos, Qt::DisplayRole).toString());
-		});
-		contextMenu->addAction(copyAction);
-	}
-
-	if (m_ui.savedAddressesList->model()->rowCount() > 0)
-	{
-		QAction* actionExportCSV = new QAction(tr("Copy all as CSV"), m_ui.savedAddressesList);
-		connect(actionExportCSV, &QAction::triggered, [this]() {
-			QGuiApplication::clipboard()->setText(QtUtils::AbstractItemModelToCSV(m_ui.savedAddressesList->model(), Qt::DisplayRole, true));
-		});
-		contextMenu->addAction(actionExportCSV);
-	}
-
-	QAction* actionImportCSV = new QAction(tr("Paste from CSV"), m_ui.savedAddressesList);
-	connect(actionImportCSV, &QAction::triggered, this, &CpuWidget::contextSavedAddressesListPasteCSV);
-	contextMenu->addAction(actionImportCSV);
-
-	if (m_cpu.isAlive())
-	{
-		QAction* actionLoad = new QAction(tr("Load from Settings"), m_ui.savedAddressesList);
-		connect(actionLoad, &QAction::triggered, [this]() {
-			m_savedAddressesModel.clear();
-			DebuggerSettingsManager::loadGameSettings(&m_savedAddressesModel);
-		});
-		contextMenu->addAction(actionLoad);
-
-		QAction* actionSave = new QAction(tr("Save to Settings"), m_ui.savedAddressesList);
-		connect(actionSave, &QAction::triggered, this, &CpuWidget::saveSavedAddressesToDebuggerSettings);
-		contextMenu->addAction(actionSave);
-	}
-
-	if (isIndexValid)
-	{
-		QAction* deleteAction = new QAction(tr("Delete"), m_ui.savedAddressesList);
-		connect(deleteAction, &QAction::triggered, this, [this, indexAtPos]() {
-			m_ui.savedAddressesList->model()->removeRows(indexAtPos.row(), 1);
-		});
-		contextMenu->addAction(deleteAction);
-	}
-
-	contextMenu->popup(m_ui.savedAddressesList->viewport()->mapToGlobal(pos));
-}
-
-void CpuWidget::contextSavedAddressesListPasteCSV()
-{
-	QString csv = QGuiApplication::clipboard()->text();
-	// Skip header
-	csv = csv.mid(csv.indexOf('\n') + 1);
-
-	for (const QString& line : csv.split('\n'))
-	{
-		QStringList fields;
-		// In order to handle text with commas in them we must wrap values in quotes to mark
-		// where a value starts and end so that text commas aren't identified as delimiters.
-		// So matches each quote pair, parse it out, and removes the quotes to get the value.
-		QRegularExpression eachQuotePair(R"("([^"]|\\.)*")");
-		QRegularExpressionMatchIterator it = eachQuotePair.globalMatch(line);
-		while (it.hasNext())
-		{
-			QRegularExpressionMatch match = it.next();
-			QString matchedValue = match.captured(0);
-			fields << matchedValue.mid(1, matchedValue.length() - 2);
-		}
-
-		m_savedAddressesModel.loadSavedAddressFromFieldList(fields);
-	}
-}
-
-void CpuWidget::contextSavedAddressesListNew()
-{
-	qobject_cast<SavedAddressesModel*>(m_ui.savedAddressesList->model())->addRow();
-	const u32 rowCount = m_ui.savedAddressesList->model()->rowCount();
-	m_ui.savedAddressesList->edit(m_ui.savedAddressesList->model()->index(rowCount - 1, 0));
-}
-
-void CpuWidget::addAddressToSavedAddressesList(u32 address)
-{
-	qobject_cast<SavedAddressesModel*>(m_ui.savedAddressesList->model())->addRow();
-	const u32 rowCount = m_ui.savedAddressesList->model()->rowCount();
-	const QModelIndex addressIndex = m_ui.savedAddressesList->model()->index(rowCount - 1, 0);
-	m_ui.tabWidget->setCurrentWidget(m_ui.tab_savedaddresses);
-	m_ui.savedAddressesList->model()->setData(addressIndex, address, Qt::UserRole);
-	m_ui.savedAddressesList->edit(m_ui.savedAddressesList->model()->index(rowCount - 1, 1));
-}
-
-void CpuWidget::updateThreads()
-{
-	m_threadModel.refreshData();
-}
-
-void CpuWidget::onThreadListContextMenu(QPoint pos)
-{
-	if (!m_ui.threadList->selectionModel()->hasSelection())
-		return;
-
-	QMenu* contextMenu = new QMenu(tr("Thread List Context Menu"), m_ui.threadList);
-
-	QAction* actionCopy = new QAction(tr("Copy"), m_ui.threadList);
-	connect(actionCopy, &QAction::triggered, [this]() {
-		const auto* selModel = m_ui.threadList->selectionModel();
-
-		if (!selModel->hasSelection())
-			return;
-
-		QGuiApplication::clipboard()->setText(m_ui.threadList->model()->data(selModel->currentIndex()).toString());
-	});
-	contextMenu->addAction(actionCopy);
-
-	contextMenu->addSeparator();
-
-	QAction* actionExport = new QAction(tr("Copy all as CSV"), m_ui.threadList);
-	connect(actionExport, &QAction::triggered, [this]() {
-		QGuiApplication::clipboard()->setText(QtUtils::AbstractItemModelToCSV(m_ui.threadList->model()));
-	});
-	contextMenu->addAction(actionExport);
-
-	contextMenu->popup(m_ui.threadList->viewport()->mapToGlobal(pos));
-}
-
-void CpuWidget::onThreadListDoubleClick(const QModelIndex& index)
-{
-	switch (index.column())
-	{
-		case ThreadModel::ThreadColumns::ENTRY:
-			m_ui.memoryviewWidget->gotoAddress(m_ui.threadList->model()->data(index, Qt::UserRole).toUInt());
-			m_ui.tabWidget->setCurrentWidget(m_ui.tab_memory);
-			break;
-		default: // Default to PC
-			m_ui.disassemblyWidget->gotoAddressAndSetFocus(m_ui.threadList->model()->data(m_ui.threadList->model()->index(index.row(), ThreadModel::ThreadColumns::PC), Qt::UserRole).toUInt());
-			break;
-	}
-}
-
-void CpuWidget::updateStackFrames()
-{
-	m_stackModel.refreshData();
-}
-
-void CpuWidget::onStackListContextMenu(QPoint pos)
-{
-	if (!m_ui.stackList->selectionModel()->hasSelection())
-		return;
-
-	QMenu* contextMenu = new QMenu(tr("Stack List Context Menu"), m_ui.stackList);
-
-	QAction* actionCopy = new QAction(tr("Copy"), m_ui.stackList);
-	connect(actionCopy, &QAction::triggered, [this]() {
-		const auto* selModel = m_ui.stackList->selectionModel();
-
-		if (!selModel->hasSelection())
-			return;
-
-		QGuiApplication::clipboard()->setText(m_ui.stackList->model()->data(selModel->currentIndex()).toString());
-	});
-	contextMenu->addAction(actionCopy);
-
-	contextMenu->addSeparator();
-
-	QAction* actionExport = new QAction(tr("Copy all as CSV"), m_ui.stackList);
-	connect(actionExport, &QAction::triggered, [this]() {
-		QGuiApplication::clipboard()->setText(QtUtils::AbstractItemModelToCSV(m_ui.stackList->model()));
-	});
-	contextMenu->addAction(actionExport);
-
-	contextMenu->popup(m_ui.stackList->viewport()->mapToGlobal(pos));
-}
-
-void CpuWidget::onStackListDoubleClick(const QModelIndex& index)
-{
-	switch (index.column())
-	{
-		case StackModel::StackModel::ENTRY:
-		case StackModel::StackModel::ENTRY_LABEL:
-			m_ui.disassemblyWidget->gotoAddressAndSetFocus(m_ui.stackList->model()->data(m_ui.stackList->model()->index(index.row(), StackModel::StackColumns::ENTRY), Qt::UserRole).toUInt());
-			break;
-		case StackModel::StackModel::SP:
-			m_ui.memoryviewWidget->gotoAddress(m_ui.stackList->model()->data(index, Qt::UserRole).toUInt());
-			m_ui.tabWidget->setCurrentWidget(m_ui.tab_memory);
-			break;
-		default: // Default to PC
-			m_ui.disassemblyWidget->gotoAddressAndSetFocus(m_ui.stackList->model()->data(m_ui.stackList->model()->index(index.row(), StackModel::StackColumns::PC), Qt::UserRole).toUInt());
-			break;
-	}
-}
-
-void CpuWidget::saveBreakpointsToDebuggerSettings()
-{
-	DebuggerSettingsManager::saveGameSettings(&m_bpModel);
-}
-
-void CpuWidget::saveSavedAddressesToDebuggerSettings()
-{
-	DebuggerSettingsManager::saveGameSettings(&m_savedAddressesModel);
-}

pcsx2-qt/Debugger/CpuWidget.h

@@ -1,97 +0,0 @@
-// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
-// SPDX-License-Identifier: GPL-3.0+
-
-#pragma once
-
-#include "ui_CpuWidget.h"
-
-#include "DebugTools/DebugInterface.h"
-
-#include "Models/BreakpointModel.h"
-#include "Models/ThreadModel.h"
-#include "Models/StackModel.h"
-#include "Models/SavedAddressesModel.h"
-#include "Debugger/SymbolTree/SymbolTreeWidgets.h"
-
-#include "QtHost.h"
-#include <QtWidgets/QWidget>
-#include <QtWidgets/QTableWidget>
-#include <QtCore/QSortFilterProxyModel>
-#include <QtCore/QTimer>
-
-#include <vector>
-
-using namespace MipsStackWalk;
-
-class CpuWidget final : public QWidget
-{
-	Q_OBJECT
-
-public:
-	CpuWidget(QWidget* parent, DebugInterface& cpu);
-	~CpuWidget();
-
-public slots:
-	void paintEvent(QPaintEvent* event);
-
-	void onStepInto();
-	void onStepOver();
-	void onStepOut();
-
-	void onVMPaused();
-
-	void updateBreakpoints();
-	void onBPListDoubleClicked(const QModelIndex& index);
-	void onBPListContextMenu(QPoint pos);
-	void onGotoInMemory(u32 address);
-
-	void contextBPListCopy();
-	void contextBPListDelete();
-	void contextBPListNew();
-	void contextBPListEdit();
-	void contextBPListPasteCSV();
-
-	void onSavedAddressesListContextMenu(QPoint pos);
-	void contextSavedAddressesListPasteCSV();
-	void contextSavedAddressesListNew();
-	void addAddressToSavedAddressesList(u32 address);
-
-	void updateThreads();
-	void onThreadListDoubleClick(const QModelIndex& index);
-	void onThreadListContextMenu(QPoint pos);
-
-	void updateStackFrames();
-	void onStackListContextMenu(QPoint pos);
-	void onStackListDoubleClick(const QModelIndex& index);
-
-	void refreshDebugger();
-	void reloadCPUWidgets();
-
-	void saveBreakpointsToDebuggerSettings();
-	void saveSavedAddressesToDebuggerSettings();
-
-private:
-	void setupSymbolTrees();
-
-	std::vector<QTableWidget*> m_registerTableViews;
-
-	QMenu* m_stacklistContextMenu = 0;
-	QMenu* m_funclistContextMenu = 0;
-	QMenu* m_moduleTreeContextMenu = 0;
-	QTimer m_refreshDebuggerTimer;
-
-	Ui::CpuWidget m_ui;
-
-	DebugInterface& m_cpu;
-
-	BreakpointModel m_bpModel;
-	ThreadModel m_threadModel;
-	QSortFilterProxyModel m_threadProxyModel;
-	StackModel m_stackModel;
-	SavedAddressesModel m_savedAddressesModel;
-
-	FunctionTreeWidget* m_function_tree = nullptr;
-	GlobalVariableTreeWidget* m_global_variable_tree = nullptr;
-	LocalVariableTreeWidget* m_local_variable_tree = nullptr;
-	ParameterVariableTreeWidget* m_parameter_variable_tree = nullptr;
-};

pcsx2-qt/Debugger/CpuWidget.ui

@@ -1,445 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ui version="4.0">
- <class>CpuWidget</class>
- <widget class="QWidget" name="CpuWidget">
-  <property name="geometry">
-   <rect>
-    <x>0</x>
-    <y>0</y>
-    <width>668</width>
-    <height>563</height>
-   </rect>
-  </property>
-  <property name="font">
-   <font>
-    <family>Monospace</family>
-   </font>
-  </property>
-  <property name="focusPolicy">
-   <enum>Qt::StrongFocus</enum>
-  </property>
-  <property name="windowTitle">
-   <string/>
-  </property>
-  <layout class="QVBoxLayout" name="verticalLayout">
-   <item>
-    <widget class="QSplitter" name="verticalSplitter">
-     <property name="orientation">
-      <enum>Qt::Vertical</enum>
-     </property>
-     <property name="childrenCollapsible">
-      <bool>false</bool>
-     </property>
-     <widget class="QSplitter" name="horizontalSplitter">
-      <property name="orientation">
-       <enum>Qt::Horizontal</enum>
-      </property>
-      <property name="childrenCollapsible">
-       <bool>false</bool>
-      </property>
-      <widget class="QTabWidget" name="tabWidgetRegFunc">
-       <property name="minimumSize">
-        <size>
-         <width>100</width>
-         <height>100</height>
-        </size>
-       </property>
-       <property name="currentIndex">
-        <number>0</number>
-       </property>
-       <widget class="QWidget" name="tabRegisters">
-        <attribute name="title">
-         <string>Registers</string>
-        </attribute>
-        <layout class="QHBoxLayout" name="registerLayout">
-         <property name="spacing">
-          <number>0</number>
-         </property>
-         <property name="leftMargin">
-          <number>0</number>
-         </property>
-         <property name="topMargin">
-          <number>0</number>
-         </property>
-         <property name="rightMargin">
-          <number>0</number>
-         </property>
-         <property name="bottomMargin">
-          <number>0</number>
-         </property>
-         <item>
-          <widget class="RegisterWidget" name="registerWidget" native="true">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="minimumSize">
-            <size>
-             <width>320</width>
-             <height>100</height>
-            </size>
-           </property>
-           <property name="font">
-            <font>
-             <family>Monospace</family>
-            </font>
-           </property>
-           <property name="focusPolicy">
-            <enum>Qt::StrongFocus</enum>
-           </property>
-           <property name="contextMenuPolicy">
-            <enum>Qt::CustomContextMenu</enum>
-           </property>
-           <property name="autoFillBackground">
-            <bool>true</bool>
-           </property>
-          </widget>
-         </item>
-        </layout>
-       </widget>
-       <widget class="QWidget" name="tabFunctions">
-        <attribute name="title">
-         <string>Functions</string>
-        </attribute>
-       </widget>
-       <widget class="QWidget" name="tabMemorySearch">
-        <attribute name="title">
-         <string>Memory Search</string>
-        </attribute>
-        <layout class="QHBoxLayout" name="memorySearchLayout">
-         <property name="spacing">
-          <number>0</number>
-         </property>
-         <property name="leftMargin">
-          <number>0</number>
-         </property>
-         <property name="topMargin">
-          <number>0</number>
-         </property>
-         <property name="rightMargin">
-          <number>0</number>
-         </property>
-         <property name="bottomMargin">
-          <number>0</number>
-         </property>
-         <item>
-          <widget class="MemorySearchWidget" name="memorySearchWidget" native="true">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="font">
-            <font>
-             <family>Monospace</family>
-            </font>
-           </property>
-           <property name="focusPolicy">
-            <enum>Qt::StrongFocus</enum>
-           </property>
-           <property name="contextMenuPolicy">
-            <enum>Qt::CustomContextMenu</enum>
-           </property>
-           <property name="autoFillBackground">
-            <bool>true</bool>
-           </property>
-          </widget>
-         </item>
-        </layout>
-       </widget>
-      </widget>
-      <widget class="DisassemblyWidget" name="disassemblyWidget" native="true">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="MinimumExpanding" vsizetype="Expanding">
-         <horstretch>0</horstretch>
-         <verstretch>1</verstretch>
-        </sizepolicy>
-       </property>
-       <property name="minimumSize">
-        <size>
-         <width>100</width>
-         <height>100</height>
-        </size>
-       </property>
-       <property name="font">
-        <font>
-         <family>Monospace</family>
-        </font>
-       </property>
-       <property name="focusPolicy">
-        <enum>Qt::StrongFocus</enum>
-       </property>
-       <property name="contextMenuPolicy">
-        <enum>Qt::CustomContextMenu</enum>
-       </property>
-       <property name="autoFillBackground">
-        <bool>true</bool>
-       </property>
-      </widget>
-     </widget>
-     <widget class="QTabWidget" name="tabWidget">
-      <property name="minimumSize">
-       <size>
-        <width>150</width>
-        <height>0</height>
-       </size>
-      </property>
-      <property name="tabPosition">
-       <enum>QTabWidget::North</enum>
-      </property>
-      <property name="currentIndex">
-       <number>0</number>
-      </property>
-      <widget class="QWidget" name="tab_memory">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-       <attribute name="title">
-        <string>Memory</string>
-       </attribute>
-       <layout class="QHBoxLayout" name="memoryLayout">
-        <property name="spacing">
-         <number>6</number>
-        </property>
-        <property name="leftMargin">
-         <number>0</number>
-        </property>
-        <property name="topMargin">
-         <number>0</number>
-        </property>
-        <property name="rightMargin">
-         <number>0</number>
-        </property>
-        <property name="bottomMargin">
-         <number>0</number>
-        </property>
-        <item>
-         <widget class="MemoryViewWidget" name="memoryviewWidget" native="true">
-          <property name="sizePolicy">
-           <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
-            <horstretch>0</horstretch>
-            <verstretch>0</verstretch>
-           </sizepolicy>
-          </property>
-          <property name="minimumSize">
-           <size>
-            <width>250</width>
-            <height>100</height>
-           </size>
-          </property>
-          <property name="font">
-           <font>
-            <family>Monospace</family>
-           </font>
-          </property>
-          <property name="contextMenuPolicy">
-           <enum>Qt::CustomContextMenu</enum>
-          </property>
-          <property name="autoFillBackground">
-           <bool>true</bool>
-          </property>
-         </widget>
-        </item>
-       </layout>
-      </widget>
-      <widget class="QWidget" name="tab_breakpoints">
-       <attribute name="title">
-        <string>Breakpoints</string>
-       </attribute>
-       <layout class="QHBoxLayout" name="breakpointsLayout">
-        <property name="leftMargin">
-         <number>0</number>
-        </property>
-        <property name="topMargin">
-         <number>0</number>
-        </property>
-        <property name="rightMargin">
-         <number>0</number>
-        </property>
-        <property name="bottomMargin">
-         <number>0</number>
-        </property>
-        <item>
-         <widget class="QTableView" name="breakpointList">
-          <property name="contextMenuPolicy">
-           <enum>Qt::CustomContextMenu</enum>
-          </property>
-          <property name="horizontalScrollBarPolicy">
-           <enum>Qt::ScrollBarAlwaysOff</enum>
-          </property>
-          <property name="gridStyle">
-           <enum>Qt::NoPen</enum>
-          </property>
-         </widget>
-        </item>
-       </layout>
-      </widget>
-      <widget class="QWidget" name="tab_threads">
-       <attribute name="title">
-        <string>Threads</string>
-       </attribute>
-       <layout class="QHBoxLayout" name="threadsLayout">
-        <property name="spacing">
-         <number>0</number>
-        </property>
-        <property name="leftMargin">
-         <number>0</number>
-        </property>
-        <property name="topMargin">
-         <number>0</number>
-        </property>
-        <property name="rightMargin">
-         <number>0</number>
-        </property>
-        <property name="bottomMargin">
-         <number>0</number>
-        </property>
-        <item>
-         <widget class="QTableView" name="threadList">
-          <property name="contextMenuPolicy">
-           <enum>Qt::CustomContextMenu</enum>
-          </property>
-          <property name="selectionMode">
-           <enum>QAbstractItemView::SingleSelection</enum>
-          </property>
-          <property name="gridStyle">
-           <enum>Qt::NoPen</enum>
-          </property>
-          <property name="cornerButtonEnabled">
-           <bool>false</bool>
-          </property>
-         </widget>
-        </item>
-       </layout>
-      </widget>
-      <widget class="QWidget" name="tab_callstack">
-       <attribute name="title">
-        <string>Active Call Stack</string>
-       </attribute>
-       <layout class="QHBoxLayout" name="callStackLayout">
-        <property name="spacing">
-         <number>0</number>
-        </property>
-        <property name="leftMargin">
-         <number>0</number>
-        </property>
-        <property name="topMargin">
-         <number>0</number>
-        </property>
-        <property name="rightMargin">
-         <number>0</number>
-        </property>
-        <property name="bottomMargin">
-         <number>0</number>
-        </property>
-        <item>
-         <widget class="QTableView" name="stackList">
-          <property name="contextMenuPolicy">
-           <enum>Qt::CustomContextMenu</enum>
-          </property>
-          <property name="horizontalScrollBarPolicy">
-           <enum>Qt::ScrollBarAlwaysOff</enum>
-          </property>
-          <property name="sizeAdjustPolicy">
-           <enum>QAbstractScrollArea::AdjustToContentsOnFirstShow</enum>
-          </property>
-          <property name="selectionMode">
-           <enum>QAbstractItemView::SingleSelection</enum>
-          </property>
-          <property name="gridStyle">
-           <enum>Qt::NoPen</enum>
-          </property>
-          <property name="cornerButtonEnabled">
-           <bool>false</bool>
-          </property>
-         </widget>
-        </item>
-       </layout>
-      </widget>
-      <widget class="QWidget" name="tab_savedaddresses">
-       <attribute name="title">
-        <string>Saved Addresses</string>
-       </attribute>
-       <layout class="QHBoxLayout" name="savedAddressesLayout">
-        <property name="leftMargin">
-         <number>0</number>
-        </property>
-        <property name="topMargin">
-         <number>0</number>
-        </property>
-        <property name="rightMargin">
-         <number>0</number>
-        </property>
-        <property name="bottomMargin">
-         <number>0</number>
-        </property>
-        <item>
-         <widget class="QTableView" name="savedAddressesList">
-          <property name="contextMenuPolicy">
-           <enum>Qt::CustomContextMenu</enum>
-          </property>
-          <property name="horizontalScrollBarPolicy">
-           <enum>Qt::ScrollBarAlwaysOff</enum>
-          </property>
-          <property name="gridStyle">
-           <enum>Qt::NoPen</enum>
-          </property>
-         </widget>
-        </item>
-       </layout>
-      </widget>
-      <widget class="QWidget" name="tabGlobalVariables">
-       <attribute name="title">
-        <string>Globals</string>
-       </attribute>
-      </widget>
-      <widget class="QWidget" name="tabLocalVariables">
-       <attribute name="title">
-        <string>Locals</string>
-       </attribute>
-      </widget>
-      <widget class="QWidget" name="tabParameterVariables">
-       <attribute name="title">
-        <string>Parameters</string>
-       </attribute>
-      </widget>
-     </widget>
-    </widget>
-   </item>
-  </layout>
- </widget>
- <customwidgets>
-  <customwidget>
-   <class>DisassemblyWidget</class>
-   <extends>QWidget</extends>
-   <header>pcsx2-qt/Debugger/DisassemblyWidget.h</header>
-   <container>1</container>
-  </customwidget>
-  <customwidget>
-   <class>RegisterWidget</class>
-   <extends>QWidget</extends>
-   <header>pcsx2-qt/Debugger/RegisterWidget.h</header>
-   <container>1</container>
-  </customwidget>
-  <customwidget>
-   <class>MemoryViewWidget</class>
-   <extends>QWidget</extends>
-   <header>pcsx2-qt/Debugger/MemoryViewWidget.h</header>
-   <container>1</container>
-  </customwidget>
-  <customwidget>
-   <class>MemorySearchWidget</class>
-   <extends>QWidget</extends>
-   <header>pcsx2-qt/Debugger/MemorySearchWidget.h</header>
-   <container>1</container>
-  </customwidget>
- </customwidgets>
- <resources/>
- <connections/>
-</ui>

pcsx2-qt/Debugger/DebuggerEvents.h

@@ -0,0 +1,58 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include <common/Pcsx2Types.h>
+
+#include <QtCore/qttranslation.h>
+
+namespace DebuggerEvents
+{
+	struct Event
+	{
+		virtual ~Event() = default;
+	};
+
+	// Sent when a debugger widget is first created, and subsequently broadcast
+	// to all debugger widgets at regular intervals.
+	struct Refresh : Event
+	{
+	};
+
+	// Go to the address in a disassembly or memory view and switch to that tab.
+	struct GoToAddress : Event
+	{
+		enum Filter
+		{
+			NONE,
+			DISASSEMBLER,
+			MEMORY_VIEW
+		};
+
+		u32 address = 0;
+
+		// Prevent the memory view from handling events for jumping to functions
+		// and vice versa.
+		Filter filter = NONE;
+
+		bool switch_to_tab = true;
+
+		static constexpr const char* ACTION_PREFIX = QT_TRANSLATE_NOOP("DebuggerEvents", "Go to in");
+	};
+
+	// The state of the VM has changed and widgets should be updated to reflect
+	// the new state (e.g. the VM has been paused).
+	struct VMUpdate : Event
+	{
+	};
+
+	// Add the address to the saved addresses list and switch to that tab.
+	struct AddToSavedAddresses : Event
+	{
+		u32 address = 0;
+		bool switch_to_tab = true;
+
+		static constexpr const char* ACTION_PREFIX = QT_TRANSLATE_NOOP("DebuggerEvents", "Add to");
+	};
+} // namespace DebuggerEvents

pcsx2-qt/Debugger/DebuggerSettingsManager.cpp

@@ -10,12 +10,12 @@
 
 #include "common/Console.h"
 #include "VMManager.h"
-#include "Models/BreakpointModel.h"
 
 std::mutex DebuggerSettingsManager::writeLock;
 const QString DebuggerSettingsManager::settingsFileVersion = "0.00";
 
-QJsonObject DebuggerSettingsManager::loadGameSettingsJSON() {
+QJsonObject DebuggerSettingsManager::loadGameSettingsJSON()
+{
 	std::string path = VMManager::GetDebuggerSettingsFilePathForCurrentGame();
 	QFile file(QString::fromStdString(path));
 	if (!file.open(QIODevice::ReadOnly))
@@ -134,7 +134,7 @@ void DebuggerSettingsManager::saveGameSettings(QAbstractTableModel* abstractTabl
 {
 	const std::string path = VMManager::GetDebuggerSettingsFilePathForCurrentGame();
 	if (path.empty())
-		return; 
+		return;
 
 	const std::lock_guard<std::mutex> lock(writeLock);
 	QJsonObject loadedSettings = loadGameSettingsJSON();

pcsx2-qt/Debugger/DebuggerSettingsManager.h

@@ -6,8 +6,8 @@
 
 #include <mutex>
 
-#include "Models/BreakpointModel.h"
-#include "Models/SavedAddressesModel.h"
+#include "Breakpoints/BreakpointModel.h"
+#include "Memory/SavedAddressesModel.h"
 
 class DebuggerSettingsManager final
 {

pcsx2-qt/Debugger/DebuggerWidget.cpp

@@ -0,0 +1,312 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "DebuggerWidget.h"
+
+#include "Debugger/DebuggerWindow.h"
+#include "Debugger/JsonValueWrapper.h"
+#include "Debugger/Docking/DockManager.h"
+#include "Debugger/Docking/DockTables.h"
+
+#include "DebugTools/DebugInterface.h"
+
+#include "common/Assertions.h"
+
+DebuggerWidget::DebuggerWidget(const DebuggerWidgetParameters& parameters, u32 flags)
+	: QWidget(parameters.parent)
+	, m_unique_name(parameters.unique_name)
+	, m_cpu(parameters.cpu)
+	, m_cpu_override(parameters.cpu_override)
+	, m_flags(flags)
+{
+	updateStyleSheet();
+}
+
+DebugInterface& DebuggerWidget::cpu() const
+{
+	if (m_cpu_override.has_value())
+		return DebugInterface::get(*m_cpu_override);
+
+	pxAssertRel(m_cpu, "DebuggerWidget::cpu called on object with null cpu.");
+	return *m_cpu;
+}
+
+QString DebuggerWidget::uniqueName() const
+{
+	return m_unique_name;
+}
+
+QString DebuggerWidget::displayName() const
+{
+	QString name = displayNameWithoutSuffix();
+
+	// If there are multiple debugger widgets of the same name, append a number
+	// to the display name.
+	if (m_display_name_suffix_number.has_value())
+		name = tr("%1 #%2").arg(name).arg(*m_display_name_suffix_number);
+
+	if (m_cpu_override)
+		name = tr("%1 (%2)").arg(name).arg(DebugInterface::cpuName(*m_cpu_override));
+
+	return name;
+}
+
+QString DebuggerWidget::displayNameWithoutSuffix() const
+{
+	return m_translated_display_name;
+}
+
+QString DebuggerWidget::customDisplayName() const
+{
+	return m_custom_display_name;
+}
+
+bool DebuggerWidget::setCustomDisplayName(QString display_name)
+{
+	if (display_name.size() > DockUtils::MAX_DOCK_WIDGET_NAME_SIZE)
+		return false;
+
+	m_custom_display_name = display_name;
+	return true;
+}
+
+bool DebuggerWidget::isPrimary() const
+{
+	return m_is_primary;
+}
+
+void DebuggerWidget::setPrimary(bool is_primary)
+{
+	m_is_primary = is_primary;
+}
+
+bool DebuggerWidget::setCpu(DebugInterface& new_cpu)
+{
+	BreakPointCpu before = cpu().getCpuType();
+	m_cpu = &new_cpu;
+	BreakPointCpu after = cpu().getCpuType();
+	return before == after;
+}
+
+std::optional<BreakPointCpu> DebuggerWidget::cpuOverride() const
+{
+	return m_cpu_override;
+}
+
+bool DebuggerWidget::setCpuOverride(std::optional<BreakPointCpu> new_cpu)
+{
+	BreakPointCpu before = cpu().getCpuType();
+	m_cpu_override = new_cpu;
+	BreakPointCpu after = cpu().getCpuType();
+	return before == after;
+}
+
+bool DebuggerWidget::handleEvent(const DebuggerEvents::Event& event)
+{
+	auto [begin, end] = m_event_handlers.equal_range(typeid(event).name());
+	for (auto handler = begin; handler != end; handler++)
+		if (handler->second(event))
+			return true;
+
+	return false;
+}
+
+bool DebuggerWidget::acceptsEventType(const char* event_type)
+{
+	auto [begin, end] = m_event_handlers.equal_range(event_type);
+	return begin != end;
+}
+
+
+void DebuggerWidget::toJson(JsonValueWrapper& json)
+{
+	std::string custom_display_name_str = m_custom_display_name.toStdString();
+	rapidjson::Value custom_display_name;
+	custom_display_name.SetString(custom_display_name_str.c_str(), custom_display_name_str.size(), json.allocator());
+	json.value().AddMember("customDisplayName", custom_display_name, json.allocator());
+
+	json.value().AddMember("isPrimary", m_is_primary, json.allocator());
+}
+
+bool DebuggerWidget::fromJson(const JsonValueWrapper& json)
+{
+	auto custom_display_name = json.value().FindMember("customDisplayName");
+	if (custom_display_name != json.value().MemberEnd() && custom_display_name->value.IsString())
+	{
+		m_custom_display_name = QString(custom_display_name->value.GetString());
+		m_custom_display_name.truncate(DockUtils::MAX_DOCK_WIDGET_NAME_SIZE);
+	}
+
+	auto is_primary = json.value().FindMember("isPrimary");
+	if (is_primary != json.value().MemberEnd() && is_primary->value.IsBool())
+		m_is_primary = is_primary->value.GetBool();
+
+	return true;
+}
+
+void DebuggerWidget::switchToThisTab()
+{
+	g_debugger_window->dockManager().switchToDebuggerWidget(this);
+}
+
+bool DebuggerWidget::supportsMultipleInstances()
+{
+	return !(m_flags & DISALLOW_MULTIPLE_INSTANCES);
+}
+
+void DebuggerWidget::retranslateDisplayName()
+{
+	if (!m_custom_display_name.isEmpty())
+	{
+		m_translated_display_name = m_custom_display_name;
+	}
+	else
+	{
+		auto description = DockTables::DEBUGGER_WIDGETS.find(metaObject()->className());
+		if (description != DockTables::DEBUGGER_WIDGETS.end())
+			m_translated_display_name = QCoreApplication::translate("DebuggerWidget", description->second.display_name);
+		else
+			m_translated_display_name = QString();
+	}
+}
+
+std::optional<int> DebuggerWidget::displayNameSuffixNumber() const
+{
+	return m_display_name_suffix_number;
+}
+
+void DebuggerWidget::setDisplayNameSuffixNumber(std::optional<int> suffix_number)
+{
+	m_display_name_suffix_number = suffix_number;
+}
+
+void DebuggerWidget::updateStyleSheet()
+{
+	QString stylesheet;
+
+	if (m_flags & MONOSPACE_FONT)
+	{
+		// Easiest way to handle cross platform monospace fonts
+		// There are issues related to TabWidget -> Children font inheritance otherwise
+#if defined(WIN32)
+		stylesheet += QStringLiteral("font-family: 'Lucida Console';");
+#elif defined(__APPLE__)
+		stylesheet += QStringLiteral("font-family: 'Monaco';");
+#else
+		stylesheet += QStringLiteral("font-family: 'Monospace';");
+#endif
+	}
+
+	// HACK: Make the font size smaller without applying a stylesheet to the
+	// whole window (which would impact performance).
+	if (g_debugger_window)
+		stylesheet += QString("font-size: %1pt;").arg(g_debugger_window->fontSize());
+
+	setStyleSheet(stylesheet);
+}
+
+void DebuggerWidget::goToInDisassembler(u32 address, bool switch_to_tab)
+{
+	DebuggerEvents::GoToAddress event;
+	event.address = address;
+	event.filter = DebuggerEvents::GoToAddress::DISASSEMBLER;
+	event.switch_to_tab = switch_to_tab;
+	DebuggerWidget::sendEvent(std::move(event));
+}
+
+void DebuggerWidget::goToInMemoryView(u32 address, bool switch_to_tab)
+{
+	DebuggerEvents::GoToAddress event;
+	event.address = address;
+	event.filter = DebuggerEvents::GoToAddress::MEMORY_VIEW;
+	event.switch_to_tab = switch_to_tab;
+	DebuggerWidget::sendEvent(std::move(event));
+}
+
+void DebuggerWidget::sendEventImplementation(const DebuggerEvents::Event& event)
+{
+	if (!g_debugger_window)
+		return;
+
+	for (const auto& [unique_name, widget] : g_debugger_window->dockManager().debuggerWidgets())
+		if (widget->isPrimary() && widget->handleEvent(event))
+			return;
+
+	for (const auto& [unique_name, widget] : g_debugger_window->dockManager().debuggerWidgets())
+		if (!widget->isPrimary() && widget->handleEvent(event))
+			return;
+}
+
+void DebuggerWidget::broadcastEventImplementation(const DebuggerEvents::Event& event)
+{
+	if (!g_debugger_window)
+		return;
+
+	for (const auto& [unique_name, widget] : g_debugger_window->dockManager().debuggerWidgets())
+		widget->handleEvent(event);
+}
+
+std::vector<QAction*> DebuggerWidget::createEventActionsImplementation(
+	QMenu* menu,
+	u32 max_top_level_actions,
+	bool skip_self,
+	const char* event_type,
+	const char* action_prefix,
+	std::function<const DebuggerEvents::Event*()> event_func)
+{
+	if (!g_debugger_window)
+		return {};
+
+	std::vector<DebuggerWidget*> receivers;
+	for (const auto& [unique_name, widget] : g_debugger_window->dockManager().debuggerWidgets())
+		if ((!skip_self || widget != this) && widget->acceptsEventType(event_type))
+			receivers.emplace_back(widget);
+
+	std::sort(receivers.begin(), receivers.end(), [&](const DebuggerWidget* lhs, const DebuggerWidget* rhs) {
+		if (lhs->displayNameWithoutSuffix() == rhs->displayNameWithoutSuffix())
+			return lhs->displayNameSuffixNumber() < rhs->displayNameSuffixNumber();
+
+		return lhs->displayNameWithoutSuffix() < rhs->displayNameWithoutSuffix();
+	});
+
+	QMenu* submenu = nullptr;
+	if (receivers.size() > max_top_level_actions)
+	{
+		QString title_format = QCoreApplication::translate("DebuggerEvent", "%1...");
+		submenu = new QMenu(title_format.arg(QCoreApplication::translate("DebuggerEvent", action_prefix)), menu);
+	}
+
+	std::vector<QAction*> actions;
+	for (size_t i = 0; i < receivers.size(); i++)
+	{
+		DebuggerWidget* receiver = receivers[i];
+
+		QAction* action;
+		if (!submenu || i + 1 < max_top_level_actions)
+		{
+			QString title_format = QCoreApplication::translate("DebuggerEvent", "%1 %2");
+			QString event_title = QCoreApplication::translate("DebuggerEvent", action_prefix);
+			QString title = title_format.arg(event_title).arg(receiver->displayName());
+			action = new QAction(title, menu);
+			menu->addAction(action);
+		}
+		else
+		{
+			action = new QAction(receiver->displayName(), submenu);
+			submenu->addAction(action);
+		}
+
+		connect(action, &QAction::triggered, receiver, [receiver, event_func]() {
+			const DebuggerEvents::Event* event = event_func();
+			if (event)
+				receiver->handleEvent(*event);
+		});
+
+		actions.emplace_back(action);
+	}
+
+	if (submenu)
+		menu->addMenu(submenu);
+
+	return actions;
+}

pcsx2-qt/Debugger/DebuggerWidget.h

@@ -0,0 +1,198 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "QtHost.h"
+#include "Debugger/DebuggerEvents.h"
+
+#include "DebugTools/DebugInterface.h"
+
+#include <QtWidgets/QWidget>
+
+class JsonValueWrapper;
+
+// Container for variables to be passed to the constructor of DebuggerWidget.
+struct DebuggerWidgetParameters
+{
+	QString unique_name;
+	DebugInterface* cpu = nullptr;
+	std::optional<BreakPointCpu> cpu_override;
+	QWidget* parent = nullptr;
+};
+
+// The base class for the contents of the dock widgets in the debugger.
+class DebuggerWidget : public QWidget
+{
+	Q_OBJECT
+
+public:
+	QString uniqueName() const;
+
+	// Get the translated name that should be displayed for this widget.
+	QString displayName() const;
+	QString displayNameWithoutSuffix() const;
+
+	QString customDisplayName() const;
+	bool setCustomDisplayName(QString display_name);
+
+	bool isPrimary() const;
+	void setPrimary(bool is_primary);
+
+	// Get the effective debug interface associated with this particular widget
+	// if it's set, otherwise return the one associated with the layout that
+	// contains this widget.
+	DebugInterface& cpu() const;
+
+	// Set the debug interface associated with the layout. If false is returned,
+	// we have to recreate the object.
+	bool setCpu(DebugInterface& new_cpu);
+
+	// Get the CPU associated with this particular widget.
+	std::optional<BreakPointCpu> cpuOverride() const;
+
+	// Set the CPU associated with the individual dock widget. If false is
+	// returned, we have to recreate the object.
+	bool setCpuOverride(std::optional<BreakPointCpu> new_cpu);
+
+	// Send each open debugger widget an event in turn, until one handles it.
+	template <typename Event>
+	static void sendEvent(Event event)
+	{
+		if (!QtHost::IsOnUIThread())
+		{
+			QtHost::RunOnUIThread([event = std::move(event)]() {
+				DebuggerWidget::sendEventImplementation(event);
+			});
+			return;
+		}
+
+		sendEventImplementation(event);
+	}
+
+	// Send all open debugger widgets an event.
+	template <typename Event>
+	static void broadcastEvent(Event event)
+	{
+		if (!QtHost::IsOnUIThread())
+		{
+			QtHost::RunOnUIThread([event = std::move(event)]() {
+				DebuggerWidget::broadcastEventImplementation(event);
+			});
+			return;
+		}
+
+		broadcastEventImplementation(event);
+	}
+
+	// Register a handler callback for the specified type of event.
+	template <typename Event>
+	void receiveEvent(std::function<bool(const Event&)> callback)
+	{
+		m_event_handlers.emplace(
+			typeid(Event).name(),
+			[callback](const DebuggerEvents::Event& event) -> bool {
+				return callback(static_cast<const Event&>(event));
+			});
+	}
+
+	// Register a handler member function for the specified type of event.
+	template <typename Event, typename SubClass>
+	void receiveEvent(bool (SubClass::*function)(const Event& event))
+	{
+		m_event_handlers.emplace(
+			typeid(Event).name(),
+			[this, function](const DebuggerEvents::Event& event) -> bool {
+				return (*static_cast<SubClass*>(this).*function)(static_cast<const Event&>(event));
+			});
+	}
+
+	// Call the handler callback for the specified event.
+	bool handleEvent(const DebuggerEvents::Event& event);
+
+	// Check if this debugger widget can receive the specified type of event.
+	bool acceptsEventType(const char* event_type);
+
+	// Generates context menu actions to send an event to each debugger widget
+	// that can receive it. A submenu is generated if the number of possible
+	// receivers exceeds max_top_level_actions. If skip_self is true, actions
+	// are only generated if the sender and receiver aren't the same object.
+	template <typename Event>
+	std::vector<QAction*> createEventActions(
+		QMenu* menu,
+		std::function<std::optional<Event>()> event_func,
+		bool skip_self = true,
+		u32 max_top_level_actions = 5)
+	{
+		return createEventActionsImplementation(
+			menu, max_top_level_actions, skip_self, typeid(Event).name(), Event::ACTION_PREFIX,
+			[event_func]() -> DebuggerEvents::Event* {
+				static std::optional<Event> event;
+				event = event_func();
+				if (!event.has_value())
+					return nullptr;
+
+				return static_cast<DebuggerEvents::Event*>(&(*event));
+			});
+	}
+
+	virtual void toJson(JsonValueWrapper& json);
+	virtual bool fromJson(const JsonValueWrapper& json);
+
+	void switchToThisTab();
+
+	bool supportsMultipleInstances();
+
+	void retranslateDisplayName();
+
+	std::optional<int> displayNameSuffixNumber() const;
+	void setDisplayNameSuffixNumber(std::optional<int> suffix_number);
+
+	void updateStyleSheet();
+
+	static void goToInDisassembler(u32 address, bool switch_to_tab);
+	static void goToInMemoryView(u32 address, bool switch_to_tab);
+
+protected:
+	enum Flags
+	{
+		NO_DEBUGGER_FLAGS = 0,
+		// Prevent the user from opening multiple dock widgets of this type.
+		DISALLOW_MULTIPLE_INSTANCES = 1 << 0,
+		// Apply a stylesheet that gives all the text a monospace font.
+		MONOSPACE_FONT = 1 << 1
+	};
+
+	DebuggerWidget(const DebuggerWidgetParameters& parameters, u32 flags);
+
+private:
+	static void sendEventImplementation(const DebuggerEvents::Event& event);
+	static void broadcastEventImplementation(const DebuggerEvents::Event& event);
+
+	std::vector<QAction*> createEventActionsImplementation(
+		QMenu* menu,
+		u32 max_top_level_actions,
+		bool skip_self,
+		const char* event_type,
+		const char* action_prefix,
+		std::function<const DebuggerEvents::Event*()> event_func);
+
+	QString m_unique_name;
+
+	// A user-defined name, or an empty string if no name was specified so that
+	// the default names can be retranslated on the fly.
+	QString m_custom_display_name;
+
+	QString m_translated_display_name;
+	std::optional<int> m_display_name_suffix_number;
+
+	// Primary debugger widgets will be chosen to handle events first. For
+	// example, clicking on an address to go to it in the primary memory view.
+	bool m_is_primary = false;
+
+	DebugInterface* m_cpu;
+	std::optional<BreakPointCpu> m_cpu_override;
+	u32 m_flags;
+
+	std::multimap<std::string, std::function<bool(const DebuggerEvents::Event&)>> m_event_handlers;
+};

pcsx2-qt/Debugger/DebuggerWindow.cpp

@@ -3,109 +3,366 @@
 
 #include "DebuggerWindow.h"
 
+#include "Debugger/DebuggerWidget.h"
+#include "Debugger/Docking/DockManager.h"
+
 #include "DebugTools/DebugInterface.h"
 #include "DebugTools/Breakpoints.h"
+#include "DebugTools/MIPSAnalyst.h"
+#include "DebugTools/MipsStackWalk.h"
 #include "DebugTools/SymbolImporter.h"
-#include "VMManager.h"
 #include "QtHost.h"
 #include "MainWindow.h"
 #include "AnalysisOptionsDialog.h"
 
+#include <QtWidgets/QMessageBox>
+
+DebuggerWindow* g_debugger_window = nullptr;
+
 DebuggerWindow::DebuggerWindow(QWidget* parent)
-	: QMainWindow(parent)
+	: KDDockWidgets::QtWidgets::MainWindow(QStringLiteral("DebuggerWindow"), {}, parent)
+	, m_dock_manager(new DockManager(this))
 {
 	m_ui.setupUi(this);
 
-// Easiest way to handle cross platform monospace fonts
-// There are issues related to TabWidget -> Children font inheritance otherwise
-#if defined(WIN32)
-	m_ui.cpuTabs->setStyleSheet(QStringLiteral("font: 8pt 'Lucida Console'"));
-#elif defined(__APPLE__)
-	m_ui.cpuTabs->setStyleSheet(QStringLiteral("font: 10pt 'Monaco'"));
-#else
-	m_ui.cpuTabs->setStyleSheet(QStringLiteral("font: 8pt 'Monospace'"));
-#endif
+	g_debugger_window = this;
+
+	setupDefaultToolBarState();
+	setupFonts();
+	restoreWindowGeometry();
+
+	m_dock_manager->loadLayouts();
+
+	connect(m_ui.actionAnalyse, &QAction::triggered, this, &DebuggerWindow::onAnalyse);
+	connect(m_ui.actionSettings, &QAction::triggered, this, &DebuggerWindow::onSettings);
+	connect(m_ui.actionGameSettings, &QAction::triggered, this, &DebuggerWindow::onGameSettings);
+	connect(m_ui.actionClose, &QAction::triggered, this, &DebuggerWindow::close);
+
+	connect(m_ui.actionOnTop, &QAction::triggered, this, [this](bool checked) {
+		if (checked)
+			setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint);
+		else
+			setWindowFlags(windowFlags() & ~Qt::WindowStaysOnTopHint);
+		show();
+	});
 
 	connect(m_ui.actionRun, &QAction::triggered, this, &DebuggerWindow::onRunPause);
 	connect(m_ui.actionStepInto, &QAction::triggered, this, &DebuggerWindow::onStepInto);
 	connect(m_ui.actionStepOver, &QAction::triggered, this, &DebuggerWindow::onStepOver);
 	connect(m_ui.actionStepOut, &QAction::triggered, this, &DebuggerWindow::onStepOut);
-	connect(m_ui.actionAnalyse, &QAction::triggered, this, &DebuggerWindow::onAnalyse);
-	connect(m_ui.actionOnTop, &QAction::triggered, [this] { this->setWindowFlags(this->windowFlags() ^ Qt::WindowStaysOnTopHint); this->show(); });
 
-	connect(g_emu_thread, &EmuThread::onVMPaused, this, &DebuggerWindow::onVMStateChanged);
-	connect(g_emu_thread, &EmuThread::onVMResumed, this, &DebuggerWindow::onVMStateChanged);
+	connect(m_ui.actionShutDown, &QAction::triggered, [this]() {
+		if (currentCPU() && currentCPU()->isAlive())
+			g_emu_thread->shutdownVM(false);
+	});
 
-	onVMStateChanged(); // If we missed a state change while we weren't loaded
+	connect(m_ui.actionReset, &QAction::triggered, [this]() {
+		if (currentCPU() && currentCPU()->isAlive())
+			g_emu_thread->resetVM();
+	});
 
-	// We can't do this in the designer, but we want to right align the actionOnTop action in the toolbar
-	QWidget* spacer = new QWidget(this);
-	spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
-	m_ui.toolBar->insertWidget(m_ui.actionAnalyse, spacer);
+	connect(m_ui.menuTools, &QMenu::aboutToShow, this, [this]() {
+		m_dock_manager->createToolsMenu(m_ui.menuTools);
+	});
 
-	m_cpuWidget_r5900 = new CpuWidget(this, r5900Debug);
-	m_cpuWidget_r3000 = new CpuWidget(this, r3000Debug);
+	connect(m_ui.menuWindows, &QMenu::aboutToShow, this, [this]() {
+		m_dock_manager->createWindowsMenu(m_ui.menuWindows);
+	});
 
-	m_ui.cpuTabs->addTab(m_cpuWidget_r5900, "R5900");
-	m_ui.cpuTabs->addTab(m_cpuWidget_r3000, "R3000");
-}
+	connect(m_ui.actionResetAllLayouts, &QAction::triggered, this, [this]() {
+		QString text = tr("Are you sure you want to reset all layouts?");
+		if (QMessageBox::question(g_debugger_window, tr("Confirmation"), text) != QMessageBox::Yes)
+			return;
 
-DebuggerWindow::~DebuggerWindow() = default;
+		m_dock_manager->resetAllLayouts();
+	});
 
-// There is no straightforward way to set the tab text to bold in Qt
-// Sorry colour blind people, but this is the best we can do for now
-void DebuggerWindow::setTabActiveStyle(BreakPointCpu enabledCpu)
-{
-	m_ui.cpuTabs->tabBar()->setTabTextColor(m_ui.cpuTabs->indexOf(m_cpuWidget_r5900), (enabledCpu == BREAKPOINT_EE) ? Qt::red : this->palette().text().color());
-	m_ui.cpuTabs->tabBar()->setTabTextColor(m_ui.cpuTabs->indexOf(m_cpuWidget_r3000), (enabledCpu == BREAKPOINT_IOP) ? Qt::red : this->palette().text().color());
-}
+	connect(m_ui.actionResetDefaultLayouts, &QAction::triggered, this, [this]() {
+		QString text = tr("Are you sure you want to reset the default layouts?");
+		if (QMessageBox::question(g_debugger_window, tr("Confirmation"), text) != QMessageBox::Yes)
+			return;
 
-void DebuggerWindow::onVMStateChanged()
-{
-	if (!QtHost::IsVMPaused())
+		m_dock_manager->resetDefaultLayouts();
+	});
+
+	connect(g_emu_thread, &EmuThread::onVMPaused, this, []() {
+		DebuggerWidget::broadcastEvent(DebuggerEvents::VMUpdate());
+	});
+
+	connect(g_emu_thread, &EmuThread::onVMStarting, this, &DebuggerWindow::onVMStarting);
+	connect(g_emu_thread, &EmuThread::onVMPaused, this, &DebuggerWindow::onVMPaused);
+	connect(g_emu_thread, &EmuThread::onVMResumed, this, &DebuggerWindow::onVMResumed);
+	connect(g_emu_thread, &EmuThread::onVMStopped, this, &DebuggerWindow::onVMStopped);
+
+	if (QtHost::IsVMValid())
 	{
-		m_ui.actionRun->setText(tr("Pause"));
-		m_ui.actionRun->setIcon(QIcon::fromTheme(QStringLiteral("pause-line")));
-		m_ui.actionStepInto->setEnabled(false);
-		m_ui.actionStepOver->setEnabled(false);
-		m_ui.actionStepOut->setEnabled(false);
-		setTabActiveStyle(BREAKPOINT_IOP_AND_EE);
+		onVMStarting();
+
+		if (QtHost::IsVMPaused())
+			onVMPaused();
+		else
+			onVMResumed();
 	}
 	else
 	{
-		m_ui.actionRun->setText(tr("Run"));
-		m_ui.actionRun->setIcon(QIcon::fromTheme(QStringLiteral("play-line")));
-		m_ui.actionStepInto->setEnabled(true);
-		m_ui.actionStepOver->setEnabled(true);
-		m_ui.actionStepOut->setEnabled(true);
-		// Switch to the CPU tab that triggered the breakpoint
-		// Also bold the tab text to indicate that a breakpoint was triggered
-		if (CBreakPoints::GetBreakpointTriggered())
-		{
-			const BreakPointCpu triggeredCpu = CBreakPoints::GetBreakpointTriggeredCpu();
-			setTabActiveStyle(triggeredCpu);
-			switch (triggeredCpu)
-			{
-				case BREAKPOINT_EE:
-					m_ui.cpuTabs->setCurrentWidget(m_cpuWidget_r5900);
-					break;
-				case BREAKPOINT_IOP:
-					m_ui.cpuTabs->setCurrentWidget(m_cpuWidget_r3000);
-					break;
-				default:
-					break;
-			}
-			Host::RunOnCPUThread([] {
-				CBreakPoints::ClearTemporaryBreakPoints();
-				CBreakPoints::SetBreakpointTriggered(false, BREAKPOINT_IOP_AND_EE);
-				// Our current PC is on a breakpoint.
-				// When we run the core again, we want to skip this breakpoint and run
-				CBreakPoints::SetSkipFirst(BREAKPOINT_EE, r5900Debug.getPC());
-				CBreakPoints::SetSkipFirst(BREAKPOINT_IOP, r3000Debug.getPC());
-			});
-		}
+		onVMStopped();
 	}
-	return;
+
+	m_dock_manager->switchToLayout(0);
+
+	QMenuBar* menu_bar = menuBar();
+
+	setMenuWidget(m_dock_manager->createLayoutSwitcher(menu_bar));
+
+	Host::RunOnCPUThread([]() {
+		R5900SymbolImporter.OnDebuggerOpened();
+	});
+
+	QTimer* refresh_timer = new QTimer(this);
+	connect(refresh_timer, &QTimer::timeout, this, []() {
+		DebuggerWidget::broadcastEvent(DebuggerEvents::Refresh());
+	});
+	refresh_timer->start(1000);
+}
+
+DebuggerWindow* DebuggerWindow::getInstance()
+{
+	if (!g_debugger_window)
+		createInstance();
+
+	return g_debugger_window;
+}
+
+DebuggerWindow* DebuggerWindow::createInstance()
+{
+	// Setup KDDockWidgets.
+	DockManager::configureDockingSystem();
+
+	if (g_debugger_window)
+		destroyInstance();
+
+	return new DebuggerWindow(nullptr);
+}
+
+void DebuggerWindow::destroyInstance()
+{
+	if (g_debugger_window)
+		g_debugger_window->close();
+}
+
+bool DebuggerWindow::shouldShowOnStartup()
+{
+	return Host::GetBaseBoolSettingValue("Debugger/UserInterface", "ShowOnStartup", false);
+}
+
+DockManager& DebuggerWindow::dockManager()
+{
+	return *m_dock_manager;
+}
+
+void DebuggerWindow::setupDefaultToolBarState()
+{
+	// Hiding all the toolbars lets us save the default state of the window with
+	// all the toolbars hidden. The DockManager will show the appropriate ones
+	// later anyway.
+	for (QToolBar* toolbar : findChildren<QToolBar*>())
+		toolbar->hide();
+
+	m_default_toolbar_state = saveState();
+
+	for (QToolBar* toolbar : findChildren<QToolBar*>())
+		connect(toolbar, &QToolBar::topLevelChanged, m_dock_manager, &DockManager::updateToolBarLockState);
+}
+
+void DebuggerWindow::clearToolBarState()
+{
+	restoreState(m_default_toolbar_state);
+}
+
+void DebuggerWindow::setupFonts()
+{
+	m_font_size = Host::GetBaseIntSettingValue("Debugger/UserInterface", "FontSize", DEFAULT_FONT_SIZE);
+	if (m_font_size < MINIMUM_FONT_SIZE || m_font_size > MAXIMUM_FONT_SIZE)
+		m_font_size = DEFAULT_FONT_SIZE;
+
+	m_ui.actionIncreaseFontSize->setShortcuts(QKeySequence::ZoomIn);
+	connect(m_ui.actionIncreaseFontSize, &QAction::triggered, this, [this]() {
+		if (m_font_size >= MAXIMUM_FONT_SIZE)
+			return;
+
+		m_font_size++;
+
+		updateFontActions();
+		updateStyleSheets();
+		saveFontSize();
+	});
+
+	m_ui.actionDecreaseFontSize->setShortcut(QKeySequence::ZoomOut);
+	connect(m_ui.actionDecreaseFontSize, &QAction::triggered, this, [this]() {
+		if (m_font_size <= MINIMUM_FONT_SIZE)
+			return;
+
+		m_font_size--;
+
+		updateFontActions();
+		updateStyleSheets();
+		saveFontSize();
+	});
+
+	connect(m_ui.actionResetFontSize, &QAction::triggered, this, [this]() {
+		m_font_size = DEFAULT_FONT_SIZE;
+
+		updateFontActions();
+		updateStyleSheets();
+		saveFontSize();
+	});
+
+	updateFontActions();
+	updateStyleSheets();
+}
+
+void DebuggerWindow::updateFontActions()
+{
+	m_ui.actionIncreaseFontSize->setEnabled(m_font_size < MAXIMUM_FONT_SIZE);
+	m_ui.actionDecreaseFontSize->setEnabled(m_font_size > MINIMUM_FONT_SIZE);
+	m_ui.actionResetFontSize->setEnabled(m_font_size != DEFAULT_FONT_SIZE);
+}
+
+void DebuggerWindow::saveFontSize()
+{
+	Host::SetBaseIntSettingValue("Debugger/UserInterface", "FontSize", m_font_size);
+	Host::CommitBaseSettingChanges();
+}
+
+int DebuggerWindow::fontSize()
+{
+	return m_font_size;
+}
+
+void DebuggerWindow::updateStyleSheets()
+{
+	// TODO: Migrate away from stylesheets to improve performance.
+	if (m_font_size != DEFAULT_FONT_SIZE)
+	{
+		int size = m_font_size + QApplication::font().pointSize() - DEFAULT_FONT_SIZE;
+		setStyleSheet(QString("* { font-size: %1pt; } QTabBar { font-size: %2pt; }").arg(size).arg(size + 1));
+	}
+	else
+	{
+		setStyleSheet(QString());
+	}
+
+	dockManager().updateStyleSheets();
+}
+
+void DebuggerWindow::saveWindowGeometry()
+{
+	std::string old_geometry = Host::GetBaseStringSettingValue("Debugger/UserInterface", "WindowGeometry");
+
+	std::string geometry;
+	if (shouldSaveWindowGeometry())
+		geometry = saveGeometry().toBase64().toStdString();
+
+	if (geometry != old_geometry)
+	{
+		Host::SetBaseStringSettingValue("Debugger/UserInterface", "WindowGeometry", geometry.c_str());
+		Host::CommitBaseSettingChanges();
+	}
+}
+
+void DebuggerWindow::restoreWindowGeometry()
+{
+	if (!shouldSaveWindowGeometry())
+		return;
+
+	std::string geometry = Host::GetBaseStringSettingValue("Debugger/UserInterface", "WindowGeometry");
+	restoreGeometry(QByteArray::fromBase64(QByteArray::fromStdString(geometry)));
+}
+
+bool DebuggerWindow::shouldSaveWindowGeometry()
+{
+	return Host::GetBaseBoolSettingValue("Debugger/UserInterface", "SaveWindowGeometry", true);
+}
+
+void DebuggerWindow::onVMStarting()
+{
+	m_ui.actionRun->setEnabled(true);
+	m_ui.actionStepInto->setEnabled(true);
+	m_ui.actionStepOver->setEnabled(true);
+	m_ui.actionStepOut->setEnabled(true);
+
+	m_ui.actionAnalyse->setEnabled(true);
+	m_ui.actionGameSettings->setEnabled(true);
+
+	m_ui.actionShutDown->setEnabled(true);
+	m_ui.actionReset->setEnabled(true);
+}
+
+void DebuggerWindow::onVMPaused()
+{
+	m_ui.actionRun->setText(tr("Run"));
+	m_ui.actionRun->setIcon(QIcon::fromTheme(QStringLiteral("play-line")));
+	m_ui.actionStepInto->setEnabled(true);
+	m_ui.actionStepOver->setEnabled(true);
+	m_ui.actionStepOut->setEnabled(true);
+
+	// Switch to the CPU tab that triggered the breakpoint.
+	// Also blink the tab text to indicate that a breakpoint was triggered.
+	if (CBreakPoints::GetBreakpointTriggered())
+	{
+		const BreakPointCpu triggeredCpu = CBreakPoints::GetBreakpointTriggeredCpu();
+		m_dock_manager->switchToLayoutWithCPU(triggeredCpu, true);
+
+		Host::RunOnCPUThread([] {
+			CBreakPoints::ClearTemporaryBreakPoints();
+			CBreakPoints::SetBreakpointTriggered(false, BREAKPOINT_IOP_AND_EE);
+
+			// Our current PC is on a breakpoint.
+			// When we run the core again, we want to skip this breakpoint and run.
+			CBreakPoints::SetSkipFirst(BREAKPOINT_EE, r5900Debug.getPC());
+			CBreakPoints::SetSkipFirst(BREAKPOINT_IOP, r3000Debug.getPC());
+		});
+	}
+}
+
+void DebuggerWindow::onVMResumed()
+{
+	m_ui.actionRun->setText(tr("Pause"));
+	m_ui.actionRun->setIcon(QIcon::fromTheme(QStringLiteral("pause-line")));
+	m_ui.actionStepInto->setEnabled(false);
+	m_ui.actionStepOver->setEnabled(false);
+	m_ui.actionStepOut->setEnabled(false);
+}
+
+void DebuggerWindow::onVMStopped()
+{
+	m_ui.actionRun->setEnabled(false);
+	m_ui.actionStepInto->setEnabled(false);
+	m_ui.actionStepOver->setEnabled(false);
+	m_ui.actionStepOut->setEnabled(false);
+
+	m_ui.actionAnalyse->setEnabled(false);
+	m_ui.actionGameSettings->setEnabled(false);
+
+	m_ui.actionShutDown->setEnabled(false);
+	m_ui.actionReset->setEnabled(false);
+}
+
+void DebuggerWindow::onAnalyse()
+{
+	AnalysisOptionsDialog* dialog = new AnalysisOptionsDialog(this);
+	dialog->setAttribute(Qt::WA_DeleteOnClose);
+	dialog->show();
+}
+
+void DebuggerWindow::onSettings()
+{
+	g_main_window->doSettings("Debug");
+}
+
+void DebuggerWindow::onGameSettings()
+{
+	g_main_window->doGameSettings("Debug");
 }
 
 void DebuggerWindow::onRunPause()
@@ -115,40 +372,162 @@ void DebuggerWindow::onRunPause()
 
 void DebuggerWindow::onStepInto()
 {
-	CpuWidget* currentCpu = static_cast<CpuWidget*>(m_ui.cpuTabs->currentWidget());
-	currentCpu->onStepInto();
+	DebugInterface* cpu = currentCPU();
+	if (!cpu)
+		return;
+
+	if (!cpu->isAlive() || !cpu->isCpuPaused())
+		return;
+
+	// Allow the cpu to skip this pc if it is a breakpoint
+	CBreakPoints::SetSkipFirst(cpu->getCpuType(), cpu->getPC());
+
+	const u32 pc = cpu->getPC();
+	const MIPSAnalyst::MipsOpcodeInfo info = MIPSAnalyst::GetOpcodeInfo(cpu, pc);
+
+	u32 bpAddr = pc + 0x4; // Default to the next instruction
+
+	if (info.isBranch)
+	{
+		if (!info.isConditional)
+		{
+			bpAddr = info.branchTarget;
+		}
+		else
+		{
+			if (info.conditionMet)
+			{
+				bpAddr = info.branchTarget;
+			}
+			else
+			{
+				bpAddr = pc + (2 * 4); // Skip branch delay slot
+			}
+		}
+	}
+
+	if (info.isSyscall)
+		bpAddr = info.branchTarget; // Syscalls are always taken
+
+	Host::RunOnCPUThread([cpu, bpAddr] {
+		CBreakPoints::AddBreakPoint(cpu->getCpuType(), bpAddr, true);
+		cpu->resumeCpu();
+	});
+
+	repaint();
 }
 
 void DebuggerWindow::onStepOver()
 {
-	CpuWidget* currentCpu = static_cast<CpuWidget*>(m_ui.cpuTabs->currentWidget());
-	currentCpu->onStepOver();
+	DebugInterface* cpu = currentCPU();
+	if (!cpu)
+		return;
+
+	if (!cpu->isAlive() || !cpu->isCpuPaused())
+		return;
+
+	const u32 pc = cpu->getPC();
+	const MIPSAnalyst::MipsOpcodeInfo info = MIPSAnalyst::GetOpcodeInfo(cpu, pc);
+
+	u32 bpAddr = pc + 0x4; // Default to the next instruction
+
+	if (info.isBranch)
+	{
+		if (!info.isConditional)
+		{
+			if (info.isLinkedBranch) // jal, jalr
+			{
+				// it's a function call with a delay slot - skip that too
+				bpAddr += 4;
+			}
+			else // j, ...
+			{
+				// in case of absolute branches, set the breakpoint at the branch target
+				bpAddr = info.branchTarget;
+			}
+		}
+		else // beq, ...
+		{
+			if (info.conditionMet)
+			{
+				bpAddr = info.branchTarget;
+			}
+			else
+			{
+				bpAddr = pc + (2 * 4); // Skip branch delay slot
+			}
+		}
+	}
+
+	Host::RunOnCPUThread([cpu, bpAddr] {
+		CBreakPoints::AddBreakPoint(cpu->getCpuType(), bpAddr, true);
+		cpu->resumeCpu();
+	});
+
+	this->repaint();
 }
 
 void DebuggerWindow::onStepOut()
 {
-	CpuWidget* currentCpu = static_cast<CpuWidget*>(m_ui.cpuTabs->currentWidget());
-	currentCpu->onStepOut();
-}
+	DebugInterface* cpu = currentCPU();
+	if (!cpu)
+		return;
 
-void DebuggerWindow::onAnalyse()
-{
-	AnalysisOptionsDialog* dialog = new AnalysisOptionsDialog(this);
-	dialog->show();
-}
+	if (!cpu->isAlive() || !cpu->isCpuPaused())
+		return;
 
-void DebuggerWindow::showEvent(QShowEvent* event)
-{
-	Host::RunOnCPUThread([]() {
-		R5900SymbolImporter.OnDebuggerOpened();
+	// Allow the cpu to skip this pc if it is a breakpoint
+	CBreakPoints::SetSkipFirst(cpu->getCpuType(), cpu->getPC());
+
+	std::vector<MipsStackWalk::StackFrame> stack_frames;
+	for (const auto& thread : cpu->GetThreadList())
+	{
+		if (thread->Status() == ThreadStatus::THS_RUN)
+		{
+			stack_frames = MipsStackWalk::Walk(
+				cpu,
+				cpu->getPC(),
+				cpu->getRegister(0, 31),
+				cpu->getRegister(0, 29),
+				thread->EntryPoint(),
+				thread->StackTop());
+			break;
+		}
+	}
+
+	if (stack_frames.size() < 2)
+		return;
+
+	u32 breakpoint_pc = stack_frames.at(1).pc;
+
+	Host::RunOnCPUThread([cpu, breakpoint_pc] {
+		CBreakPoints::AddBreakPoint(cpu->getCpuType(), breakpoint_pc, true);
+		cpu->resumeCpu();
 	});
-	QMainWindow::showEvent(event);
+
+	this->repaint();
 }
 
-void DebuggerWindow::hideEvent(QHideEvent* event)
+void DebuggerWindow::closeEvent(QCloseEvent* event)
 {
+	dockManager().saveCurrentLayout();
+	saveWindowGeometry();
+
 	Host::RunOnCPUThread([]() {
 		R5900SymbolImporter.OnDebuggerClosed();
 	});
-	QMainWindow::hideEvent(event);
+
+	KDDockWidgets::QtWidgets::MainWindow::closeEvent(event);
+
+	g_debugger_window = nullptr;
+	deleteLater();
+}
+
+DebugInterface* DebuggerWindow::currentCPU()
+{
+	std::optional<BreakPointCpu> maybe_cpu = m_dock_manager->cpu();
+	if (!maybe_cpu.has_value())
+		return nullptr;
+
+	return &DebugInterface::get(*maybe_cpu);
 }

pcsx2-qt/Debugger/DebuggerWindow.h

@@ -3,39 +3,70 @@
 
 #pragma once
 
-#include "CpuWidget.h"
-
 #include "ui_DebuggerWindow.h"
 
-class DebuggerWindow : public QMainWindow
+#include "DebugTools/DebugInterface.h"
+
+#include <kddockwidgets/MainWindow.h>
+
+class DockManager;
+
+class DebuggerWindow : public KDDockWidgets::QtWidgets::MainWindow
 {
 	Q_OBJECT
 
 public:
 	DebuggerWindow(QWidget* parent);
-	~DebuggerWindow();
+
+	static DebuggerWindow* getInstance();
+	static DebuggerWindow* createInstance();
+	static void destroyInstance();
+	static bool shouldShowOnStartup();
+
+	DockManager& dockManager();
+
+	void setupDefaultToolBarState();
+	void clearToolBarState();
+	void setupFonts();
+	void updateFontActions();
+	void saveFontSize();
+	int fontSize();
+	void updateStyleSheets();
+
+	void saveWindowGeometry();
+	void restoreWindowGeometry();
+	bool shouldSaveWindowGeometry();
 
 public slots:
-	void onVMStateChanged();
+	void onVMStarting();
+	void onVMPaused();
+	void onVMResumed();
+	void onVMStopped();
+
+	void onAnalyse();
+	void onSettings();
+	void onGameSettings();
 	void onRunPause();
 	void onStepInto();
 	void onStepOver();
 	void onStepOut();
-	void onAnalyse();
 
 protected:
-	void showEvent(QShowEvent* event);
-	void hideEvent(QHideEvent *event);
+	void closeEvent(QCloseEvent* event);
 
 private:
+	DebugInterface* currentCPU();
+
 	Ui::DebuggerWindow m_ui;
-	QAction* m_actionRunPause;
-	QAction* m_actionStepInto;
-	QAction* m_actionStepOver;
-	QAction* m_actionStepOut;
 
-	CpuWidget* m_cpuWidget_r5900;
-	CpuWidget* m_cpuWidget_r3000;
+	DockManager* m_dock_manager;
 
-	void setTabActiveStyle(BreakPointCpu toggledCPU);
+	QByteArray m_default_toolbar_state;
+
+	int m_font_size;
+	static const constexpr int DEFAULT_FONT_SIZE = 10;
+	static const constexpr int MINIMUM_FONT_SIZE = 5;
+	static const constexpr int MAXIMUM_FONT_SIZE = 30;
 };
+
+extern DebuggerWindow* g_debugger_window;

pcsx2-qt/Debugger/DebuggerWindow.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>800</width>
-    <height>600</height>
+    <width>1000</width>
+    <height>750</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -18,31 +18,74 @@
     <normalon>:/icons/AppIcon64.png</normalon>
    </iconset>
   </property>
-  <widget class="QWidget" name="centralwidget">
-   <layout class="QGridLayout" name="gridLayout">
-    <item row="0" column="0">
-     <widget class="QTabWidget" name="cpuTabs"/>
-    </item>
-   </layout>
+  <widget class="QMenuBar" name="menuBar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>1000</width>
+     <height>20</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menuFile">
+    <property name="title">
+     <string>File</string>
+    </property>
+    <addaction name="actionAnalyse"/>
+    <addaction name="actionSettings"/>
+    <addaction name="actionGameSettings"/>
+    <addaction name="separator"/>
+    <addaction name="actionClose"/>
+   </widget>
+   <widget class="QMenu" name="menuDebug">
+    <property name="title">
+     <string>Debug</string>
+    </property>
+    <addaction name="actionRun"/>
+    <addaction name="actionStepInto"/>
+    <addaction name="actionStepOver"/>
+    <addaction name="actionStepOut"/>
+   </widget>
+   <widget class="QMenu" name="menuWindows">
+    <property name="title">
+     <string>Windows</string>
+    </property>
+   </widget>
+   <widget class="QMenu" name="menuView">
+    <property name="title">
+     <string>View</string>
+    </property>
+    <addaction name="actionOnTop"/>
+    <addaction name="separator"/>
+    <addaction name="actionIncreaseFontSize"/>
+    <addaction name="actionDecreaseFontSize"/>
+    <addaction name="actionResetFontSize"/>
+   </widget>
+   <widget class="QMenu" name="menuLayouts">
+    <property name="title">
+     <string>Layouts</string>
+    </property>
+    <addaction name="actionResetAllLayouts"/>
+    <addaction name="actionResetDefaultLayouts"/>
+   </widget>
+   <widget class="QMenu" name="menuTools">
+    <property name="title">
+     <string>Tools</string>
+    </property>
+   </widget>
+   <addaction name="menuFile"/>
+   <addaction name="menuView"/>
+   <addaction name="menuDebug"/>
+   <addaction name="menuTools"/>
+   <addaction name="menuWindows"/>
+   <addaction name="menuLayouts"/>
   </widget>
-  <widget class="QToolBar" name="toolBar">
-   <property name="contextMenuPolicy">
-    <enum>Qt::ContextMenuPolicy::PreventContextMenu</enum>
-   </property>
-   <property name="movable">
-    <bool>false</bool>
-   </property>
-   <property name="iconSize">
-    <size>
-     <width>16</width>
-     <height>16</height>
-    </size>
+  <widget class="QToolBar" name="toolBarDebug">
+   <property name="windowTitle">
+    <string>Debug</string>
    </property>
    <property name="toolButtonStyle">
-    <enum>Qt::ToolButtonStyle::ToolButtonTextBesideIcon</enum>
-   </property>
-   <property name="floatable">
-    <bool>false</bool>
+    <enum>Qt::ToolButtonTextBesideIcon</enum>
    </property>
    <attribute name="toolBarArea">
     <enum>TopToolBarArea</enum>
@@ -54,8 +97,57 @@
    <addaction name="actionStepInto"/>
    <addaction name="actionStepOver"/>
    <addaction name="actionStepOut"/>
+  </widget>
+  <widget class="QToolBar" name="toolBarFile">
+   <property name="windowTitle">
+    <string>File</string>
+   </property>
+   <property name="toolButtonStyle">
+    <enum>Qt::ToolButtonTextBesideIcon</enum>
+   </property>
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
    <addaction name="actionAnalyse"/>
+   <addaction name="actionSettings"/>
+   <addaction name="actionGameSettings"/>
+  </widget>
+  <widget class="QToolBar" name="toolBarSystem">
+   <property name="windowTitle">
+    <string>System</string>
+   </property>
+   <property name="toolButtonStyle">
+    <enum>Qt::ToolButtonTextBesideIcon</enum>
+   </property>
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+   <addaction name="actionShutDown"/>
+   <addaction name="actionReset"/>
+  </widget>
+  <widget class="QToolBar" name="toolBarView">
+   <property name="windowTitle">
+    <string>View</string>
+   </property>
+   <property name="toolButtonStyle">
+    <enum>Qt::ToolButtonTextBesideIcon</enum>
+   </property>
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
    <addaction name="actionOnTop"/>
+   <addaction name="actionIncreaseFontSize"/>
+   <addaction name="actionDecreaseFontSize"/>
+   <addaction name="actionResetFontSize"/>
   </widget>
   <action name="actionRun">
    <property name="icon">
@@ -120,6 +212,112 @@
     <string>Analyze</string>
    </property>
   </action>
+  <action name="actionResetAllLayouts">
+   <property name="text">
+    <string>Reset All Layouts</string>
+   </property>
+  </action>
+  <action name="actionResetDefaultLayouts">
+   <property name="text">
+    <string>Reset Default Layouts</string>
+   </property>
+  </action>
+  <action name="actionResetSplitterPositions">
+   <property name="text">
+    <string>Reset Splitter Positions</string>
+   </property>
+  </action>
+  <action name="actionShutDown">
+   <property name="icon">
+    <iconset theme="shut-down-line"/>
+   </property>
+   <property name="text">
+    <string>Shut Down</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionReset">
+   <property name="icon">
+    <iconset theme="restart-line"/>
+   </property>
+   <property name="text">
+    <string>Reset</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionClose">
+   <property name="icon">
+    <iconset theme="close-line"/>
+   </property>
+   <property name="text">
+    <string>Close</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionIncreaseFontSize">
+   <property name="icon">
+    <iconset theme="zoom-in-line"/>
+   </property>
+   <property name="text">
+    <string>Increase Font Size</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionDecreaseFontSize">
+   <property name="icon">
+    <iconset theme="zoom-out-line"/>
+   </property>
+   <property name="text">
+    <string>Decrease Font Size</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+-</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionResetFontSize">
+   <property name="icon">
+    <iconset theme="refresh-line"/>
+   </property>
+   <property name="text">
+    <string>Reset Font Size</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionSettings">
+   <property name="icon">
+    <iconset theme="settings-3-line"/>
+   </property>
+   <property name="text">
+    <string>Settings</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionGameSettings">
+   <property name="icon">
+    <iconset theme="file-settings-line"/>
+   </property>
+   <property name="text">
+    <string>Game Settings</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::NoRole</enum>
+   </property>
+  </action>
  </widget>
  <resources/>
  <connections/>

pcsx2-qt/Debugger/DisassemblyWidget.cpp

@@ -3,6 +3,9 @@
 
 #include "DisassemblyWidget.h"
 
+#include "Debugger/Breakpoints/BreakpointModel.h"
+#include "Debugger/JsonValueWrapper.h"
+
 #include "DebugTools/DebugInterface.h"
 #include "DebugTools/DisassemblyManager.h"
 #include "DebugTools/Breakpoints.h"
@@ -10,6 +13,7 @@
 
 #include "QtUtils.h"
 #include "QtHost.h"
+#include <QtCore/QPointer>
 #include <QtGui/QMouseEvent>
 #include <QtWidgets/QMenu>
 #include <QtGui/QClipboard>
@@ -19,16 +23,72 @@
 
 using namespace QtUtils;
 
-DisassemblyWidget::DisassemblyWidget(QWidget* parent)
-	: QWidget(parent)
+DisassemblyWidget::DisassemblyWidget(const DebuggerWidgetParameters& parameters)
+	: DebuggerWidget(parameters, MONOSPACE_FONT)
 {
-	ui.setupUi(this);
+	m_ui.setupUi(this);
 
-	connect(this, &DisassemblyWidget::customContextMenuRequested, this, &DisassemblyWidget::customMenuRequested);
+	m_disassemblyManager.setCpu(&cpu());
+
+	setFocusPolicy(Qt::FocusPolicy::ClickFocus);
+
+	setContextMenuPolicy(Qt::CustomContextMenu);
+	connect(this, &DisassemblyWidget::customContextMenuRequested, this, &DisassemblyWidget::openContextMenu);
+
+	connect(g_emu_thread, &EmuThread::onVMPaused, this, &DisassemblyWidget::gotoProgramCounterOnPause);
+
+	receiveEvent<DebuggerEvents::Refresh>([this](const DebuggerEvents::Refresh& event) -> bool {
+		update();
+		return true;
+	});
+
+	receiveEvent<DebuggerEvents::GoToAddress>([this](const DebuggerEvents::GoToAddress& event) -> bool {
+		if (event.filter != DebuggerEvents::GoToAddress::NONE &&
+			event.filter != DebuggerEvents::GoToAddress::DISASSEMBLER)
+			return false;
+
+		gotoAddress(event.address, event.switch_to_tab);
+
+		if (event.switch_to_tab)
+			switchToThisTab();
+
+		return true;
+	});
 }
 
 DisassemblyWidget::~DisassemblyWidget() = default;
 
+void DisassemblyWidget::toJson(JsonValueWrapper& json)
+{
+	DebuggerWidget::toJson(json);
+
+	json.value().AddMember("startAddress", m_visibleStart, json.allocator());
+	json.value().AddMember("goToPCOnPause", m_goToProgramCounterOnPause, json.allocator());
+	json.value().AddMember("showInstructionBytes", m_showInstructionBytes, json.allocator());
+}
+
+bool DisassemblyWidget::fromJson(const JsonValueWrapper& json)
+{
+	if (!DebuggerWidget::fromJson(json))
+		return false;
+
+	auto start_address = json.value().FindMember("startAddress");
+	if (start_address != json.value().MemberEnd() && start_address->value.IsUint())
+		m_visibleStart = start_address->value.GetUint() & ~3;
+
+	auto go_to_pc_on_pause = json.value().FindMember("goToPCOnPause");
+	if (go_to_pc_on_pause != json.value().MemberEnd() && go_to_pc_on_pause->value.IsBool())
+		m_goToProgramCounterOnPause = go_to_pc_on_pause->value.GetBool();
+
+	auto show_instruction_bytes = json.value().FindMember("showInstructionBytes");
+	if (show_instruction_bytes != json.value().MemberEnd() && show_instruction_bytes->value.IsBool())
+		m_showInstructionBytes = show_instruction_bytes->value.GetBool();
+
+	repaint();
+
+	return true;
+}
+
 void DisassemblyWidget::contextCopyAddress()
 {
 	QGuiApplication::clipboard()->setText(FetchSelectionInfo(SelectionInfo::ADDRESS));
@@ -46,7 +106,7 @@ void DisassemblyWidget::contextCopyInstructionText()
 
 void DisassemblyWidget::contextAssembleInstruction()
 {
-	if (!m_cpu->isCpuPaused())
+	if (!cpu().isCpuPaused())
 	{
 		QMessageBox::warning(this, tr("Assemble Error"), tr("Unable to change assembly while core is running"));
 		return;
@@ -63,7 +123,7 @@ void DisassemblyWidget::contextAssembleInstruction()
 
 	u32 encodedInstruction;
 	std::string errorText;
-	bool valid = MipsAssembleOpcode(instruction.toLocal8Bit().constData(), m_cpu, m_selectedAddressStart, encodedInstruction, errorText);
+	bool valid = MipsAssembleOpcode(instruction.toLocal8Bit().constData(), &cpu(), m_selectedAddressStart, encodedInstruction, errorText);
 
 	if (!valid)
 	{
@@ -72,32 +132,32 @@ void DisassemblyWidget::contextAssembleInstruction()
 	}
 	else
 	{
-		Host::RunOnCPUThread([this, start = m_selectedAddressStart, end = m_selectedAddressEnd, cpu = m_cpu, val = encodedInstruction] {
+		Host::RunOnCPUThread([this, start = m_selectedAddressStart, end = m_selectedAddressEnd, cpu = &cpu(), val = encodedInstruction] {
 			for (u32 i = start; i <= end; i += 4)
 			{
 				this->m_nopedInstructions.insert({i, cpu->read32(i)});
 				cpu->write32(i, val);
 			}
-			emit VMUpdate();
+			DebuggerWidget::broadcastEvent(DebuggerEvents::VMUpdate());
 		});
 	}
 }
 
 void DisassemblyWidget::contextNoopInstruction()
 {
-	Host::RunOnCPUThread([this, start = m_selectedAddressStart, end = m_selectedAddressEnd, cpu = m_cpu] {
+	Host::RunOnCPUThread([this, start = m_selectedAddressStart, end = m_selectedAddressEnd, cpu = &cpu()] {
 		for (u32 i = start; i <= end; i += 4)
 		{
 			this->m_nopedInstructions.insert({i, cpu->read32(i)});
 			cpu->write32(i, 0x00);
 		}
-		emit VMUpdate();
+		DebuggerWidget::broadcastEvent(DebuggerEvents::VMUpdate());
 	});
 }
 
 void DisassemblyWidget::contextRestoreInstruction()
 {
-	Host::RunOnCPUThread([this, start = m_selectedAddressStart, end = m_selectedAddressEnd, cpu = m_cpu] {
+	Host::RunOnCPUThread([this, start = m_selectedAddressStart, end = m_selectedAddressEnd, cpu = &cpu()] {
 		for (u32 i = start; i <= end; i += 4)
 		{
 			if (this->m_nopedInstructions.find(i) != this->m_nopedInstructions.end())
@@ -106,14 +166,14 @@ void DisassemblyWidget::contextRestoreInstruction()
 				this->m_nopedInstructions.erase(i);
 			}
 		}
-		emit VMUpdate();
+		DebuggerWidget::broadcastEvent(DebuggerEvents::VMUpdate());
 	});
 }
 
 void DisassemblyWidget::contextRunToCursor()
 {
 	const u32 selectedAddressStart = m_selectedAddressStart;
-	Host::RunOnCPUThread([cpu = m_cpu, selectedAddressStart] {
+	Host::RunOnCPUThread([cpu = &cpu(), selectedAddressStart] {
 		CBreakPoints::AddBreakPoint(cpu->getCpuType(), selectedAddressStart, true);
 		cpu->resumeCpu();
 	});
@@ -121,28 +181,13 @@ void DisassemblyWidget::contextRunToCursor()
 
 void DisassemblyWidget::contextJumpToCursor()
 {
-	m_cpu->setPc(m_selectedAddressStart);
+	cpu().setPc(m_selectedAddressStart);
 	this->repaint();
 }
 
 void DisassemblyWidget::contextToggleBreakpoint()
 {
-	if (!m_cpu->isAlive())
-		return;
-
-	const u32 selectedAddressStart = m_selectedAddressStart;
-	const BreakPointCpu cpuType = m_cpu->getCpuType();
-	if (CBreakPoints::IsAddressBreakPoint(cpuType, selectedAddressStart))
-	{
-		Host::RunOnCPUThread([cpuType, selectedAddressStart] { CBreakPoints::RemoveBreakPoint(cpuType, selectedAddressStart); });
-	}
-	else
-	{
-		Host::RunOnCPUThread([cpuType, selectedAddressStart] { CBreakPoints::AddBreakPoint(cpuType, selectedAddressStart); });
-	}
-
-	breakpointsChanged();
-	this->repaint();
+	toggleBreakpoint(m_selectedAddressStart);
 }
 
 void DisassemblyWidget::contextFollowBranch()
@@ -171,7 +216,7 @@ void DisassemblyWidget::contextGoToAddress()
 
 	u64 address = 0;
 	std::string error;
-	if (!m_cpu->evaluateExpression(targetString.toStdString().c_str(), address, error))
+	if (!cpu().evaluateExpression(targetString.toStdString().c_str(), address, error))
 	{
 		QMessageBox::warning(this, tr("Cannot Go To"), QString::fromStdString(error));
 		return;
@@ -182,7 +227,8 @@ void DisassemblyWidget::contextGoToAddress()
 
 void DisassemblyWidget::contextAddFunction()
 {
-	NewFunctionDialog* dialog = new NewFunctionDialog(*m_cpu, this);
+	NewFunctionDialog* dialog = new NewFunctionDialog(cpu(), this);
+	dialog->setAttribute(Qt::WA_DeleteOnClose);
 	dialog->setName(QString("func_%1").arg(m_selectedAddressStart, 8, 16, QChar('0')));
 	dialog->setAddress(m_selectedAddressStart);
 	if (m_selectedAddressEnd != m_selectedAddressStart)
@@ -193,13 +239,13 @@ void DisassemblyWidget::contextAddFunction()
 
 void DisassemblyWidget::contextCopyFunctionName()
 {
-	std::string name = m_cpu->GetSymbolGuardian().FunctionStartingAtAddress(m_selectedAddressStart).name;
+	std::string name = cpu().GetSymbolGuardian().FunctionStartingAtAddress(m_selectedAddressStart).name;
 	QGuiApplication::clipboard()->setText(QString::fromStdString(name));
 }
 
 void DisassemblyWidget::contextRemoveFunction()
 {
-	m_cpu->GetSymbolGuardian().ReadWrite([&](ccc::SymbolDatabase& database) {
+	cpu().GetSymbolGuardian().ReadWrite([&](ccc::SymbolDatabase& database) {
 		ccc::Function* curFunc = database.functions.symbol_overlapping_address(m_selectedAddressStart);
 		if (!curFunc)
 			return;
@@ -215,7 +261,7 @@ void DisassemblyWidget::contextRemoveFunction()
 
 void DisassemblyWidget::contextRenameFunction()
 {
-	const FunctionInfo curFunc = m_cpu->GetSymbolGuardian().FunctionOverlappingAddress(m_selectedAddressStart);
+	const FunctionInfo curFunc = cpu().GetSymbolGuardian().FunctionOverlappingAddress(m_selectedAddressStart);
 
 	if (!curFunc.address.valid())
 	{
@@ -236,28 +282,28 @@ void DisassemblyWidget::contextRenameFunction()
 		return;
 	}
 
-	m_cpu->GetSymbolGuardian().ReadWrite([&](ccc::SymbolDatabase& database) {
+	cpu().GetSymbolGuardian().ReadWrite([&](ccc::SymbolDatabase& database) {
 		database.functions.rename_symbol(curFunc.handle, newName.toStdString());
 	});
 }
 
 void DisassemblyWidget::contextStubFunction()
 {
-	FunctionInfo function = m_cpu->GetSymbolGuardian().FunctionOverlappingAddress(m_selectedAddressStart);
+	FunctionInfo function = cpu().GetSymbolGuardian().FunctionOverlappingAddress(m_selectedAddressStart);
 	u32 address = function.address.valid() ? function.address.value : m_selectedAddressStart;
 
-	Host::RunOnCPUThread([this, address, cpu = m_cpu] {
+	Host::RunOnCPUThread([this, address, cpu = &cpu()] {
 		this->m_stubbedFunctions.insert({address, {cpu->read32(address), cpu->read32(address + 4)}});
 		cpu->write32(address, 0x03E00008); // jr ra
 		cpu->write32(address + 4, 0x00000000); // nop
-		emit VMUpdate();
+		DebuggerWidget::broadcastEvent(DebuggerEvents::VMUpdate());
 	});
 }
 
 void DisassemblyWidget::contextRestoreFunction()
 {
 	u32 address = m_selectedAddressStart;
-	m_cpu->GetSymbolGuardian().Read([&](const ccc::SymbolDatabase& database) {
+	cpu().GetSymbolGuardian().Read([&](const ccc::SymbolDatabase& database) {
 		const ccc::Function* function = database.functions.symbol_overlapping_address(m_selectedAddressStart);
 		if (function)
 			address = function->address().value;
@@ -266,12 +312,12 @@ void DisassemblyWidget::contextRestoreFunction()
 	auto stub = m_stubbedFunctions.find(address);
 	if (stub != m_stubbedFunctions.end())
 	{
-		Host::RunOnCPUThread([this, address, cpu = m_cpu, stub] {
+		Host::RunOnCPUThread([this, address, cpu = &cpu(), stub] {
 			auto [first_instruction, second_instruction] = stub->second;
 			cpu->write32(address, first_instruction);
 			cpu->write32(address + 4, second_instruction);
 			this->m_stubbedFunctions.erase(address);
-			emit VMUpdate();
+			DebuggerWidget::broadcastEvent(DebuggerEvents::VMUpdate());
 		});
 	}
 	else
@@ -280,18 +326,12 @@ void DisassemblyWidget::contextRestoreFunction()
 	}
 }
 
-void DisassemblyWidget::contextShowOpcode()
+void DisassemblyWidget::contextShowInstructionBytes()
 {
-	m_showInstructionOpcode = !m_showInstructionOpcode;
+	m_showInstructionBytes = !m_showInstructionBytes;
 	this->repaint();
 }
 
-void DisassemblyWidget::SetCpu(DebugInterface* cpu)
-{
-	m_cpu = cpu;
-	m_disassemblyManager.setCpu(cpu);
-}
-
 QString DisassemblyWidget::GetLineDisasm(u32 address)
 {
 	DisassemblyLineInfo lineInfo;
@@ -322,7 +362,7 @@ void DisassemblyWidget::paintEvent(QPaintEvent* event)
 	bool inSelectionBlock = false;
 	bool alternate = m_visibleStart % 8;
 
-	const u32 curPC = m_cpu->getPC(); // Get the PC here, because it'll change when we are drawing and make it seem like there are two PCs
+	const u32 curPC = cpu().getPC(); // Get the PC here, because it'll change when we are drawing and make it seem like there are two PCs
 
 	for (u32 i = 0; i <= m_visibleRows; i++)
 	{
@@ -347,7 +387,7 @@ void DisassemblyWidget::paintEvent(QPaintEvent* event)
 
 		// Breakpoint marker
 		bool enabled;
-		if (CBreakPoints::IsAddressBreakPoint(m_cpu->getCpuType(), rowAddress, &enabled) && !CBreakPoints::IsTempBreakPoint(m_cpu->getCpuType(), rowAddress))
+		if (CBreakPoints::IsAddressBreakPoint(cpu().getCpuType(), rowAddress, &enabled) && !CBreakPoints::IsTempBreakPoint(cpu().getCpuType(), rowAddress))
 		{
 			if (enabled)
 			{
@@ -371,7 +411,7 @@ void DisassemblyWidget::paintEvent(QPaintEvent* event)
 	s32 branchCount = 0;
 	for (const auto& branchLine : branchLines)
 	{
-		if (branchCount == (m_showInstructionOpcode ? 3 : 5))
+		if (branchCount == (m_showInstructionBytes ? 3 : 5))
 			break;
 		const int winBottom = this->height();
 
@@ -506,21 +546,7 @@ void DisassemblyWidget::mousePressEvent(QMouseEvent* event)
 
 void DisassemblyWidget::mouseDoubleClickEvent(QMouseEvent* event)
 {
-	if (!m_cpu->isAlive())
-		return;
-
-	const u32 selectedAddress = (static_cast<int>(event->position().y()) / m_rowHeight * 4) + m_visibleStart;
-	const BreakPointCpu cpuType = m_cpu->getCpuType();
-	if (CBreakPoints::IsAddressBreakPoint(cpuType, selectedAddress))
-	{
-		Host::RunOnCPUThread([cpuType, selectedAddress] { CBreakPoints::RemoveBreakPoint(cpuType, selectedAddress); });
-	}
-	else
-	{
-		Host::RunOnCPUThread([cpuType, selectedAddress] { CBreakPoints::AddBreakPoint(cpuType, selectedAddress); });
-	}
-	breakpointsChanged();
-	this->repaint();
+	toggleBreakpoint((static_cast<int>(event->position().y()) / m_rowHeight * 4) + m_visibleStart);
 }
 
 void DisassemblyWidget::wheelEvent(QWheelEvent* event)
@@ -598,115 +624,139 @@ void DisassemblyWidget::keyPressEvent(QKeyEvent* event)
 			contextFollowBranch();
 			break;
 		case Qt::Key_Left:
-			gotoAddressAndSetFocus(m_cpu->getPC());
+			gotoAddressAndSetFocus(cpu().getPC());
 			break;
-		case Qt::Key_O:
-			m_showInstructionOpcode = !m_showInstructionOpcode;
+		case Qt::Key_I:
+			m_showInstructionBytes = !m_showInstructionBytes;
 			break;
 	}
 
 	this->repaint();
 }
 
-void DisassemblyWidget::customMenuRequested(QPoint pos)
+void DisassemblyWidget::openContextMenu(QPoint pos)
 {
-	if (!m_cpu->isAlive())
+	if (!cpu().isAlive())
 		return;
 
-	QMenu* contextMenu = new QMenu(this);
+	QMenu* menu = new QMenu(this);
+	menu->setAttribute(Qt::WA_DeleteOnClose);
 
-	QAction* action = 0;
-	contextMenu->addAction(action = new QAction(tr("Copy Address"), this));
-	connect(action, &QAction::triggered, this, &DisassemblyWidget::contextCopyAddress);
-	contextMenu->addAction(action = new QAction(tr("Copy Instruction Hex"), this));
-	connect(action, &QAction::triggered, this, &DisassemblyWidget::contextCopyInstructionHex);
-	contextMenu->addAction(action = new QAction(tr("&Copy Instruction Text"), this));
-	action->setShortcut(QKeySequence(Qt::Key_C));
-	connect(action, &QAction::triggered, this, &DisassemblyWidget::contextCopyInstructionText);
-	if (m_cpu->GetSymbolGuardian().FunctionExistsWithStartingAddress(m_selectedAddressStart))
+	QAction* copy_address_action = menu->addAction(tr("Copy Address"));
+	connect(copy_address_action, &QAction::triggered, this, &DisassemblyWidget::contextCopyAddress);
+
+	QAction* copy_instruction_hex_action = menu->addAction(tr("Copy Instruction Hex"));
+	connect(copy_instruction_hex_action, &QAction::triggered, this, &DisassemblyWidget::contextCopyInstructionHex);
+
+	QAction* copy_instruction_text_action = menu->addAction(tr("&Copy Instruction Text"));
+	copy_instruction_text_action->setShortcut(QKeySequence(Qt::Key_C));
+	connect(copy_instruction_text_action, &QAction::triggered, this, &DisassemblyWidget::contextCopyInstructionText);
+
+	if (cpu().GetSymbolGuardian().FunctionExistsWithStartingAddress(m_selectedAddressStart))
 	{
-		contextMenu->addAction(action = new QAction(tr("Copy Function Name"), this));
-		connect(action, &QAction::triggered, this, &DisassemblyWidget::contextCopyFunctionName);
+		QAction* copy_function_name_action = menu->addAction(tr("Copy Function Name"));
+		connect(copy_function_name_action, &QAction::triggered, this, &DisassemblyWidget::contextCopyFunctionName);
 	}
-	contextMenu->addSeparator();
+
+	menu->addSeparator();
+
 	if (AddressCanRestore(m_selectedAddressStart, m_selectedAddressEnd))
 	{
-		contextMenu->addAction(action = new QAction(tr("Restore Instruction(s)"), this));
-		connect(action, &QAction::triggered, this, &DisassemblyWidget::contextRestoreInstruction);
+		QAction* restore_instruction_action = menu->addAction(tr("Restore Instruction(s)"));
+		connect(restore_instruction_action, &QAction::triggered, this, &DisassemblyWidget::contextRestoreInstruction);
 	}
-	contextMenu->addAction(action = new QAction(tr("Asse&mble new Instruction(s)"), this));
-	action->setShortcut(QKeySequence(Qt::Key_M));
-	connect(action, &QAction::triggered, this, &DisassemblyWidget::contextAssembleInstruction);
-	contextMenu->addAction(action = new QAction(tr("NOP Instruction(s)"), this));
-	connect(action, &QAction::triggered, this, &DisassemblyWidget::contextNoopInstruction);
-	contextMenu->addSeparator();
-	contextMenu->addAction(action = new QAction(tr("Run to Cursor"), this));
-	connect(action, &QAction::triggered, this, &DisassemblyWidget::contextRunToCursor);
-	contextMenu->addAction(action = new QAction(tr("&Jump to Cursor"), this));
-	action->setShortcut(QKeySequence(Qt::Key_J));
-	connect(action, &QAction::triggered, this, &DisassemblyWidget::contextJumpToCursor);
-	contextMenu->addAction(action = new QAction(tr("Toggle &Breakpoint"), this));
-	action->setShortcut(QKeySequence(Qt::Key_B));
-	connect(action, &QAction::triggered, this, &DisassemblyWidget::contextToggleBreakpoint);
-	contextMenu->addAction(action = new QAction(tr("Follow Branch"), this));
-	connect(action, &QAction::triggered, this, &DisassemblyWidget::contextFollowBranch);
-	contextMenu->addSeparator();
-	contextMenu->addAction(action = new QAction(tr("&Go to Address"), this));
-	action->setShortcut(QKeySequence(Qt::Key_G));
-	connect(action, &QAction::triggered, this, &DisassemblyWidget::contextGoToAddress);
-	contextMenu->addAction(action = new QAction(tr("Go to in Memory View"), this));
-	connect(action, &QAction::triggered, this, [this]() { gotoInMemory(m_selectedAddressStart); });
 
-	contextMenu->addAction(action = new QAction(tr("Go to PC on Pause"), this));
-	action->setCheckable(true);
-	action->setChecked(m_goToProgramCounterOnPause);
-	connect(action, &QAction::triggered, this, [this](bool value) { m_goToProgramCounterOnPause = value; });
+	QAction* assemble_new_instruction = menu->addAction(tr("Asse&mble new Instruction(s)"));
+	assemble_new_instruction->setShortcut(QKeySequence(Qt::Key_M));
+	connect(assemble_new_instruction, &QAction::triggered, this, &DisassemblyWidget::contextAssembleInstruction);
+
+	QAction* nop_instruction_action = menu->addAction(tr("NOP Instruction(s)"));
+	connect(nop_instruction_action, &QAction::triggered, this, &DisassemblyWidget::contextNoopInstruction);
+
+	menu->addSeparator();
+
+	QAction* run_to_cursor_action = menu->addAction(tr("Run to Cursor"));
+	connect(run_to_cursor_action, &QAction::triggered, this, &DisassemblyWidget::contextRunToCursor);
+
+	QAction* jump_to_cursor_action = menu->addAction(tr("&Jump to Cursor"));
+	jump_to_cursor_action->setShortcut(QKeySequence(Qt::Key_J));
+	connect(jump_to_cursor_action, &QAction::triggered, this, &DisassemblyWidget::contextJumpToCursor);
+
+	QAction* toggle_breakpoint_action = menu->addAction(tr("Toggle &Breakpoint"));
+	toggle_breakpoint_action->setShortcut(QKeySequence(Qt::Key_B));
+	connect(toggle_breakpoint_action, &QAction::triggered, this, &DisassemblyWidget::contextToggleBreakpoint);
+
+	QAction* follow_branch_action = menu->addAction(tr("Follow Branch"));
+	connect(follow_branch_action, &QAction::triggered, this, &DisassemblyWidget::contextFollowBranch);
+
+	menu->addSeparator();
+
+	QAction* go_to_address_action = menu->addAction(tr("&Go to Address"));
+	go_to_address_action->setShortcut(QKeySequence(Qt::Key_G));
+	connect(go_to_address_action, &QAction::triggered, this, &DisassemblyWidget::contextGoToAddress);
+
+	createEventActions<DebuggerEvents::GoToAddress>(menu, [this]() {
+		DebuggerEvents::GoToAddress event;
+		event.address = m_selectedAddressStart;
+		return std::optional(event);
+	});
+
+	QAction* go_to_pc_on_pause = menu->addAction(tr("Go to PC on Pause"));
+	go_to_pc_on_pause->setCheckable(true);
+	go_to_pc_on_pause->setChecked(m_goToProgramCounterOnPause);
+	connect(go_to_pc_on_pause, &QAction::triggered, this,
+		[this](bool value) { m_goToProgramCounterOnPause = value; });
+
+	menu->addSeparator();
+
+	QAction* add_function_action = menu->addAction(tr("Add Function"));
+	connect(add_function_action, &QAction::triggered, this, &DisassemblyWidget::contextAddFunction);
+
+	QAction* rename_function_action = menu->addAction(tr("Rename Function"));
+	connect(rename_function_action, &QAction::triggered, this, &DisassemblyWidget::contextRenameFunction);
+
+	QAction* remove_function_action = menu->addAction(tr("Remove Function"));
+	menu->addAction(remove_function_action);
+	connect(remove_function_action, &QAction::triggered, this, &DisassemblyWidget::contextRemoveFunction);
 
-	contextMenu->addSeparator();
-	contextMenu->addAction(action = new QAction(tr("Add Function"), this));
-	connect(action, &QAction::triggered, this, &DisassemblyWidget::contextAddFunction);
-	contextMenu->addAction(action = new QAction(tr("Rename Function"), this));
-	connect(action, &QAction::triggered, this, &DisassemblyWidget::contextRenameFunction);
-	contextMenu->addAction(action = new QAction(tr("Remove Function"), this));
-	connect(action, &QAction::triggered, this, &DisassemblyWidget::contextRemoveFunction);
 	if (FunctionCanRestore(m_selectedAddressStart))
 	{
-		contextMenu->addAction(action = new QAction(tr("Restore Function"), this));
-		connect(action, &QAction::triggered, this, &DisassemblyWidget::contextRestoreFunction);
+		QAction* restore_action = menu->addAction(tr("Restore Function"));
+		connect(restore_action, &QAction::triggered, this, &DisassemblyWidget::contextRestoreFunction);
 	}
 	else
 	{
-		contextMenu->addAction(action = new QAction(tr("Stub (NOP) Function"), this));
-		connect(action, &QAction::triggered, this, &DisassemblyWidget::contextStubFunction);
+		QAction* stub_action = menu->addAction(tr("Stub (NOP) Function"));
+		connect(stub_action, &QAction::triggered, this, &DisassemblyWidget::contextStubFunction);
 	}
 
-	contextMenu->addSeparator();
-	contextMenu->addAction(action = new QAction(tr("Show &Opcode"), this));
-	action->setShortcut(QKeySequence(Qt::Key_O));
-	action->setCheckable(true);
-	action->setChecked(m_showInstructionOpcode);
-	connect(action, &QAction::triggered, this, &DisassemblyWidget::contextShowOpcode);
+	menu->addSeparator();
 
-	contextMenu->setAttribute(Qt::WA_DeleteOnClose);
-	contextMenu->popup(this->mapToGlobal(pos));
+	QAction* show_instruction_bytes_action = menu->addAction(tr("Show &Instruction Bytes"));
+	show_instruction_bytes_action->setShortcut(QKeySequence(Qt::Key_I));
+	show_instruction_bytes_action->setCheckable(true);
+	show_instruction_bytes_action->setChecked(m_showInstructionBytes);
+	connect(show_instruction_bytes_action, &QAction::triggered, this, &DisassemblyWidget::contextShowInstructionBytes);
+
+	menu->popup(this->mapToGlobal(pos));
 }
 
 inline QString DisassemblyWidget::DisassemblyStringFromAddress(u32 address, QFont font, u32 pc, bool selected)
 {
 	DisassemblyLineInfo line;
 
-	if (!m_cpu->isValidAddress(address))
+	if (!cpu().isValidAddress(address))
 		return tr("%1 NOT VALID ADDRESS").arg(address, 8, 16, QChar('0')).toUpper();
 	// Todo? support non symbol view?
 	m_disassemblyManager.getLine(address, true, line);
 
-	const bool isConditional = line.info.isConditional && m_cpu->getPC() == address;
+	const bool isConditional = line.info.isConditional && cpu().getPC() == address;
 	const bool isConditionalMet = line.info.conditionMet;
-	const bool isCurrentPC = m_cpu->getPC() == address;
+	const bool isCurrentPC = cpu().getPC() == address;
 
-	FunctionInfo function = m_cpu->GetSymbolGuardian().FunctionStartingAtAddress(address);
-	SymbolInfo symbol = m_cpu->GetSymbolGuardian().SymbolStartingAtAddress(address);
-	const bool showOpcode = m_showInstructionOpcode && m_cpu->isAlive();
+	FunctionInfo function = cpu().GetSymbolGuardian().FunctionStartingAtAddress(address);
+	SymbolInfo symbol = cpu().GetSymbolGuardian().SymbolStartingAtAddress(address);
+	const bool showOpcode = m_showInstructionBytes && cpu().isAlive();
 
 	QString lineString;
 	if (showOpcode)
@@ -739,7 +789,7 @@ inline QString DisassemblyWidget::DisassemblyStringFromAddress(u32 address, QFon
 
 	if (showOpcode)
 	{
-		const u32 opcode = m_cpu->read32(address);
+		const u32 opcode = cpu().read32(address);
 		lineString = lineString.arg(QtUtils::FilledQStringFromValue(opcode, 16));
 	}
 
@@ -754,16 +804,8 @@ inline QString DisassemblyWidget::DisassemblyStringFromAddress(u32 address, QFon
 
 QColor DisassemblyWidget::GetAddressFunctionColor(u32 address)
 {
-	// This is an attempt to figure out if the current palette is dark or light
-	// We calculate the luminance of the alternateBase colour
-	// and swap between our darker and lighter function colours
-
 	std::array<QColor, 6> colors;
-	const QColor base = this->palette().alternateBase().color();
-
-	const auto Y = (base.redF() * 0.33) + (0.5 * base.greenF()) + (0.16 * base.blueF());
-
-	if (Y > 0.5)
+	if (QtUtils::IsLightTheme(palette()))
 	{
 		colors = {
 			QColor::fromRgba(0xFFFA3434),
@@ -789,7 +831,7 @@ QColor DisassemblyWidget::GetAddressFunctionColor(u32 address)
 	// Use the address to pick the colour since the value of the handle may
 	// change from run to run.
 	ccc::Address function_address =
-		m_cpu->GetSymbolGuardian().FunctionOverlappingAddress(address).address;
+		cpu().GetSymbolGuardian().FunctionOverlappingAddress(address).address;
 	if (!function_address.valid())
 		return palette().text().color();
 
@@ -817,7 +859,7 @@ QString DisassemblyWidget::FetchSelectionInfo(SelectionInfo selInfo)
 		}
 		else // INSTRUCTIONHEX
 		{
-			infoBlock += FilledQStringFromValue(m_cpu->read32(i), 16);
+			infoBlock += FilledQStringFromValue(cpu().read32(i), 16);
 		}
 	}
 	return infoBlock;
@@ -831,7 +873,7 @@ void DisassemblyWidget::gotoAddressAndSetFocus(u32 address)
 void DisassemblyWidget::gotoProgramCounterOnPause()
 {
 	if (m_goToProgramCounterOnPause)
-		gotoAddress(m_cpu->getPC(), false);
+		gotoAddress(cpu().getPC(), false);
 }
 
 void DisassemblyWidget::gotoAddress(u32 address, bool should_set_focus)
@@ -847,6 +889,27 @@ void DisassemblyWidget::gotoAddress(u32 address, bool should_set_focus)
 		this->setFocus();
 }
 
+void DisassemblyWidget::toggleBreakpoint(u32 address)
+{
+	if (!cpu().isAlive())
+		return;
+
+	QPointer<DisassemblyWidget> disassembly_widget(this);
+
+	Host::RunOnCPUThread([cpu = &cpu(), address, disassembly_widget] {
+		if (!CBreakPoints::IsAddressBreakPoint(cpu->getCpuType(), address))
+			CBreakPoints::AddBreakPoint(cpu->getCpuType(), address);
+		else
+			CBreakPoints::RemoveBreakPoint(cpu->getCpuType(), address);
+
+		QtHost::RunOnUIThread([cpu, disassembly_widget]() {
+			BreakpointModel::getInstance(*cpu)->refreshData();
+			if (disassembly_widget)
+				disassembly_widget->repaint();
+		});
+	});
+}
+
 bool DisassemblyWidget::AddressCanRestore(u32 start, u32 end)
 {
 	for (u32 i = start; i <= end; i += 4)
@@ -861,7 +924,7 @@ bool DisassemblyWidget::AddressCanRestore(u32 start, u32 end)
 
 bool DisassemblyWidget::FunctionCanRestore(u32 address)
 {
-	FunctionInfo function = m_cpu->GetSymbolGuardian().FunctionOverlappingAddress(address);
+	FunctionInfo function = cpu().GetSymbolGuardian().FunctionOverlappingAddress(address);
 	if (function.address.valid())
 		address = function.address.value;
 

pcsx2-qt/Debugger/DisassemblyWidget.h

@@ -5,36 +5,36 @@
 
 #include "ui_DisassemblyWidget.h"
 
-#include "pcsx2/DebugTools/DebugInterface.h"
+#include "DebuggerWidget.h"
+
 #include "pcsx2/DebugTools/DisassemblyManager.h"
 
-#include <QtWidgets/QWidget>
 #include <QtWidgets/QMenu>
 #include <QtGui/QPainter>
 
-class DisassemblyWidget final : public QWidget
+class DisassemblyWidget final : public DebuggerWidget
 {
 	Q_OBJECT
 
 public:
-	DisassemblyWidget(QWidget* parent);
+	DisassemblyWidget(const DebuggerWidgetParameters& parameters);
 	~DisassemblyWidget();
 
-	// Required because our constructor needs to take no extra arguments.
-	void SetCpu(DebugInterface* cpu);
+	void toJson(JsonValueWrapper& json) override;
+	bool fromJson(const JsonValueWrapper& json) override;
 
 	// Required for the breakpoint list (ugh wtf)
 	QString GetLineDisasm(u32 address);
 
 protected:
-	void paintEvent(QPaintEvent* event);
-	void mousePressEvent(QMouseEvent* event);
-	void mouseDoubleClickEvent(QMouseEvent* event);
-	void wheelEvent(QWheelEvent* event);
-	void keyPressEvent(QKeyEvent* event);
+	void paintEvent(QPaintEvent* event) override;
+	void mousePressEvent(QMouseEvent* event) override;
+	void mouseDoubleClickEvent(QMouseEvent* event) override;
+	void wheelEvent(QWheelEvent* event) override;
+	void keyPressEvent(QKeyEvent* event) override;
 
 public slots:
-	void customMenuRequested(QPoint pos);
+	void openContextMenu(QPoint pos);
 
 	// Context menu actions
 	// When called, m_selectedAddressStart will be the 'selected' instruction
@@ -56,23 +56,18 @@ public slots:
 	void contextRemoveFunction();
 	void contextStubFunction();
 	void contextRestoreFunction();
-	void contextShowOpcode();
+	void contextShowInstructionBytes();
 
 	void gotoAddressAndSetFocus(u32 address);
 	void gotoProgramCounterOnPause();
 	void gotoAddress(u32 address, bool should_set_focus);
 
-	void setDemangle(bool demangle) { m_demangleFunctions = demangle; };
-signals:
-	void gotoInMemory(u32 address);
-	void breakpointsChanged();
-	void VMUpdate();
+	void toggleBreakpoint(u32 address);
 
 private:
-	Ui::DisassemblyWidget ui;
+	Ui::DisassemblyWidget m_ui;
 
-	DebugInterface* m_cpu;
-	u32 m_visibleStart = 0x00336318; // The address of the first opcode shown(row 0)
+	u32 m_visibleStart = 0x100000; // The address of the first instruction shown.
 	u32 m_visibleRows;
 	u32 m_selectedAddressStart = 0;
 	u32 m_selectedAddressEnd = 0;
@@ -81,8 +76,7 @@ private:
 	std::map<u32, u32> m_nopedInstructions;
 	std::map<u32, std::tuple<u32, u32>> m_stubbedFunctions;
 
-	bool m_demangleFunctions = true;
-	bool m_showInstructionOpcode = true;
+	bool m_showInstructionBytes = true;
 	bool m_goToProgramCounterOnPause = true;
 	DisassemblyManager m_disassemblyManager;
 

pcsx2-qt/Debugger/Docking/DockLayout.cpp

@@ -0,0 +1,918 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "DockLayout.h"
+
+#include "Debugger/DebuggerWidget.h"
+#include "Debugger/DebuggerWindow.h"
+#include "Debugger/JsonValueWrapper.h"
+
+#include "common/Assertions.h"
+#include "common/Console.h"
+#include "common/FileSystem.h"
+#include "common/Path.h"
+
+#include <kddockwidgets/Config.h>
+#include <kddockwidgets/DockWidget.h>
+#include <kddockwidgets/LayoutSaver.h>
+#include <kddockwidgets/core/DockRegistry.h>
+#include <kddockwidgets/core/DockWidget.h>
+#include <kddockwidgets/core/Group.h>
+#include <kddockwidgets/core/Layout.h>
+#include <kddockwidgets/core/ViewFactory.h>
+#include <kddockwidgets/qtwidgets/Group.h>
+#include <kddockwidgets/qtwidgets/MainWindow.h>
+
+#include "rapidjson/document.h"
+#include "rapidjson/prettywriter.h"
+
+const char* DEBUGGER_LAYOUT_FILE_FORMAT = "PCSX2 Debugger User Interface Layout";
+
+// Increment this whenever there is a breaking change to the JSON format.
+const u32 DEBUGGER_LAYOUT_FILE_VERSION_MAJOR = 1;
+
+// Increment this whenever there is a non-breaking change to the JSON format.
+const u32 DEBUGGER_LAYOUT_FILE_VERSION_MINOR = 0;
+
+DockLayout::DockLayout(
+	QString name,
+	BreakPointCpu cpu,
+	bool is_default,
+	const std::string& base_name,
+	DockLayout::Index index)
+	: m_name(name)
+	, m_cpu(cpu)
+	, m_is_default(is_default)
+	, m_base_layout(base_name)
+{
+	reset();
+	save(index);
+}
+
+DockLayout::DockLayout(
+	QString name,
+	BreakPointCpu cpu,
+	bool is_default,
+	DockLayout::Index index)
+	: m_name(name)
+	, m_cpu(cpu)
+	, m_is_default(is_default)
+{
+	save(index);
+}
+
+DockLayout::DockLayout(
+	QString name,
+	BreakPointCpu cpu,
+	bool is_default,
+	const DockLayout& layout_to_clone,
+	DockLayout::Index index)
+	: m_name(name)
+	, m_cpu(cpu)
+	, m_is_default(is_default)
+	, m_next_unique_name(layout_to_clone.m_next_unique_name)
+	, m_base_layout(layout_to_clone.m_base_layout)
+	, m_toolbars(layout_to_clone.m_toolbars)
+	, m_geometry(layout_to_clone.m_geometry)
+{
+	for (const auto& [unique_name, widget_to_clone] : layout_to_clone.m_widgets)
+	{
+		auto widget_description = DockTables::DEBUGGER_WIDGETS.find(widget_to_clone->metaObject()->className());
+		if (widget_description == DockTables::DEBUGGER_WIDGETS.end())
+			continue;
+
+		DebuggerWidgetParameters parameters;
+		parameters.unique_name = unique_name;
+		parameters.cpu = &DebugInterface::get(cpu);
+		parameters.cpu_override = widget_to_clone->cpuOverride();
+
+		DebuggerWidget* new_widget = widget_description->second.create_widget(parameters);
+		new_widget->setCustomDisplayName(widget_to_clone->customDisplayName());
+		new_widget->setPrimary(widget_to_clone->isPrimary());
+		m_widgets.emplace(unique_name, new_widget);
+	}
+
+	save(index);
+}
+
+DockLayout::DockLayout(
+	const std::string& path,
+	DockLayout::LoadResult& result,
+	DockLayout::Index& index_last_session,
+	DockLayout::Index index)
+{
+	load(path, result, index_last_session);
+}
+
+DockLayout::~DockLayout()
+{
+	for (auto& [unique_name, widget] : m_widgets)
+	{
+		pxAssert(widget.get());
+
+		delete widget;
+	}
+}
+
+const QString& DockLayout::name() const
+{
+	return m_name;
+}
+
+void DockLayout::setName(QString name)
+{
+	m_name = std::move(name);
+}
+
+BreakPointCpu DockLayout::cpu() const
+{
+	return m_cpu;
+}
+
+bool DockLayout::isDefault() const
+{
+	return m_is_default;
+}
+
+void DockLayout::setCpu(BreakPointCpu cpu)
+{
+	m_cpu = cpu;
+
+	for (auto& [unique_name, widget] : m_widgets)
+	{
+		pxAssert(widget.get());
+
+		if (!widget->setCpu(DebugInterface::get(cpu)))
+			recreateDebuggerWidget(unique_name);
+	}
+}
+
+void DockLayout::freeze()
+{
+	pxAssert(m_is_active);
+	m_is_active = false;
+
+	if (g_debugger_window)
+		m_toolbars = g_debugger_window->saveState();
+
+	// Store the geometry of all the dock widgets as JSON.
+	KDDockWidgets::LayoutSaver saver(KDDockWidgets::RestoreOption_RelativeToMainWindow);
+	m_geometry = saver.serializeLayout();
+
+	// Delete the dock widgets.
+	for (KDDockWidgets::Core::DockWidget* dock : KDDockWidgets::DockRegistry::self()->dockwidgets())
+	{
+		// Make sure the dock widget releases ownership of its content.
+		auto view = static_cast<KDDockWidgets::QtWidgets::DockWidget*>(dock->view());
+		view->setWidget(new QWidget());
+
+		delete dock;
+	}
+}
+
+void DockLayout::thaw()
+{
+	pxAssert(!m_is_active);
+	m_is_active = true;
+
+	if (!g_debugger_window)
+		return;
+
+	// Restore the state of the toolbars.
+	if (m_toolbars.isEmpty())
+	{
+		const DockTables::DefaultDockLayout* base_layout = DockTables::defaultLayout(m_base_layout);
+		if (base_layout)
+		{
+			for (QToolBar* toolbar : g_debugger_window->findChildren<QToolBar*>())
+				if (base_layout->toolbars.contains(toolbar->objectName().toStdString()))
+					toolbar->show();
+		}
+	}
+	else
+	{
+		g_debugger_window->restoreState(m_toolbars);
+	}
+
+	if (m_geometry.isEmpty())
+	{
+		// This is a newly created layout with no geometry information.
+		setupDefaultLayout();
+	}
+	else
+	{
+		// Create all the dock widgets.
+		KDDockWidgets::LayoutSaver saver(KDDockWidgets::RestoreOption_RelativeToMainWindow);
+		if (!saver.restoreLayout(m_geometry))
+		{
+			// We've failed to restore the geometry, so just tear down whatever
+			// dock widgets may exist and then setup the default layout.
+			for (KDDockWidgets::Core::DockWidget* dock : KDDockWidgets::DockRegistry::self()->dockwidgets())
+			{
+				// Make sure the dock widget releases ownership of its content.
+				auto view = static_cast<KDDockWidgets::QtWidgets::DockWidget*>(dock->view());
+				view->setWidget(new QWidget());
+
+				delete dock;
+			}
+
+			setupDefaultLayout();
+		}
+	}
+
+	// Check that all the dock widgets have been restored correctly.
+	std::vector<QString> orphaned_debugger_widgets;
+	for (auto& [unique_name, widget] : m_widgets)
+	{
+		auto [controller, view] = DockUtils::dockWidgetFromName(unique_name);
+		if (!controller || !view)
+		{
+			Console.Error("Debugger: Failed to restore dock widget '%s'.", unique_name.toStdString().c_str());
+			orphaned_debugger_widgets.emplace_back(unique_name);
+		}
+	}
+
+	// Delete any debugger widgets that haven't been restored correctly.
+	for (const QString& unique_name : orphaned_debugger_widgets)
+	{
+		auto widget_iterator = m_widgets.find(unique_name);
+		pxAssert(widget_iterator != m_widgets.end());
+
+		setPrimaryDebuggerWidget(widget_iterator->second.get(), false);
+		delete widget_iterator->second.get();
+		m_widgets.erase(widget_iterator);
+	}
+
+	updateDockWidgetTitles();
+}
+
+bool DockLayout::canReset()
+{
+	return DockTables::defaultLayout(m_base_layout) != nullptr;
+}
+
+void DockLayout::reset()
+{
+	pxAssert(!m_is_active);
+
+	for (auto& [unique_name, widget] : m_widgets)
+	{
+		pxAssert(widget.get());
+
+		delete widget;
+	}
+
+	m_next_unique_name = 0;
+	m_toolbars.clear();
+	m_widgets.clear();
+	m_geometry.clear();
+
+	const DockTables::DefaultDockLayout* base_layout = DockTables::defaultLayout(m_base_layout);
+	if (!base_layout)
+		return;
+
+	for (size_t i = 0; i < base_layout->widgets.size(); i++)
+	{
+		auto iterator = DockTables::DEBUGGER_WIDGETS.find(base_layout->widgets[i].type);
+		pxAssertRel(iterator != DockTables::DEBUGGER_WIDGETS.end(), "Invalid default layout.");
+		const DockTables::DebuggerWidgetDescription& dock_description = iterator->second;
+
+		DebuggerWidgetParameters parameters;
+		parameters.unique_name = generateNewUniqueName(base_layout->widgets[i].type.c_str());
+		parameters.cpu = &DebugInterface::get(m_cpu);
+
+		if (parameters.unique_name.isEmpty())
+			continue;
+
+		DebuggerWidget* widget = dock_description.create_widget(parameters);
+		widget->setPrimary(true);
+		m_widgets.emplace(parameters.unique_name, widget);
+	}
+}
+
+KDDockWidgets::Core::DockWidget* DockLayout::createDockWidget(const QString& name)
+{
+	pxAssert(m_is_active);
+	pxAssert(KDDockWidgets::LayoutSaver::restoreInProgress());
+
+	auto widget_iterator = m_widgets.find(name);
+	if (widget_iterator == m_widgets.end())
+		return nullptr;
+
+	DebuggerWidget* widget = widget_iterator->second;
+	if (!widget)
+		return nullptr;
+
+	pxAssert(widget->uniqueName() == name);
+
+	auto view = static_cast<KDDockWidgets::QtWidgets::DockWidget*>(
+		KDDockWidgets::Config::self().viewFactory()->createDockWidget(name));
+	view->setWidget(widget);
+
+	return view->asController<KDDockWidgets::Core::DockWidget>();
+}
+
+void DockLayout::updateDockWidgetTitles()
+{
+	if (!m_is_active)
+		return;
+
+	// Translate default debugger widget names.
+	for (auto& [unique_name, widget] : m_widgets)
+		widget->retranslateDisplayName();
+
+	// Determine if any widgets have duplicate display names.
+	std::map<QString, std::vector<DebuggerWidget*>> display_name_to_widgets;
+	for (auto& [unique_name, widget] : m_widgets)
+		display_name_to_widgets[widget->displayNameWithoutSuffix()].emplace_back(widget.get());
+
+	for (auto& [display_name, widgets] : display_name_to_widgets)
+	{
+		std::sort(widgets.begin(), widgets.end(),
+			[&](const DebuggerWidget* lhs, const DebuggerWidget* rhs) {
+				return lhs->uniqueName() < rhs->uniqueName();
+			});
+
+		for (size_t i = 0; i < widgets.size(); i++)
+		{
+			std::optional<int> suffix_number;
+			if (widgets.size() != 1)
+				suffix_number = static_cast<int>(i + 1);
+
+			widgets[i]->setDisplayNameSuffixNumber(suffix_number);
+		}
+	}
+
+	// Propagate the new names from the debugger widgets to the dock widgets.
+	for (auto& [unique_name, widget] : m_widgets)
+	{
+		auto [controller, view] = DockUtils::dockWidgetFromName(widget->uniqueName());
+		if (!controller)
+			continue;
+
+		controller->setTitle(widget->displayName());
+	}
+}
+
+const std::map<QString, QPointer<DebuggerWidget>>& DockLayout::debuggerWidgets()
+{
+	return m_widgets;
+}
+
+bool DockLayout::hasDebuggerWidget(const QString& unique_name)
+{
+	return m_widgets.find(unique_name) != m_widgets.end();
+}
+
+size_t DockLayout::countDebuggerWidgetsOfType(const char* type)
+{
+	size_t count = 0;
+	for (const auto& [unique_name, widget] : m_widgets)
+	{
+		if (strcmp(widget->metaObject()->className(), type) == 0)
+			count++;
+	}
+
+	return count;
+}
+
+void DockLayout::createDebuggerWidget(const std::string& type)
+{
+	pxAssert(m_is_active);
+
+	if (!g_debugger_window)
+		return;
+
+	auto description_iterator = DockTables::DEBUGGER_WIDGETS.find(type);
+	pxAssert(description_iterator != DockTables::DEBUGGER_WIDGETS.end());
+
+	const DockTables::DebuggerWidgetDescription& description = description_iterator->second;
+
+	DebuggerWidgetParameters parameters;
+	parameters.unique_name = generateNewUniqueName(type.c_str());
+	parameters.cpu = &DebugInterface::get(m_cpu);
+
+	if (parameters.unique_name.isEmpty())
+		return;
+
+	DebuggerWidget* widget = description.create_widget(parameters);
+	m_widgets.emplace(parameters.unique_name, widget);
+
+	setPrimaryDebuggerWidget(widget, countDebuggerWidgetsOfType(type.c_str()) == 0);
+
+	auto view = static_cast<KDDockWidgets::QtWidgets::DockWidget*>(
+		KDDockWidgets::Config::self().viewFactory()->createDockWidget(widget->uniqueName()));
+	view->setWidget(widget);
+
+	KDDockWidgets::Core::DockWidget* controller = view->asController<KDDockWidgets::Core::DockWidget>();
+	pxAssert(controller);
+
+	DockUtils::insertDockWidgetAtPreferredLocation(controller, description.preferred_location, g_debugger_window);
+	updateDockWidgetTitles();
+}
+
+void DockLayout::recreateDebuggerWidget(const QString& unique_name)
+{
+	if (!g_debugger_window)
+		return;
+
+	auto debugger_widget_iterator = m_widgets.find(unique_name);
+	pxAssert(debugger_widget_iterator != m_widgets.end());
+
+	DebuggerWidget* old_debugger_widget = debugger_widget_iterator->second;
+
+	auto description_iterator = DockTables::DEBUGGER_WIDGETS.find(old_debugger_widget->metaObject()->className());
+	pxAssert(description_iterator != DockTables::DEBUGGER_WIDGETS.end());
+
+	const DockTables::DebuggerWidgetDescription& description = description_iterator->second;
+
+	DebuggerWidgetParameters parameters;
+	parameters.unique_name = old_debugger_widget->uniqueName();
+	parameters.cpu = &DebugInterface::get(m_cpu);
+	parameters.cpu_override = old_debugger_widget->cpuOverride();
+
+	DebuggerWidget* new_debugger_widget = description.create_widget(parameters);
+	new_debugger_widget->setCustomDisplayName(old_debugger_widget->customDisplayName());
+	new_debugger_widget->setPrimary(old_debugger_widget->isPrimary());
+	debugger_widget_iterator->second = new_debugger_widget;
+
+	if (m_is_active)
+	{
+		auto [controller, view] = DockUtils::dockWidgetFromName(unique_name);
+		if (view)
+			view->setWidget(new_debugger_widget);
+	}
+
+	delete old_debugger_widget;
+}
+
+void DockLayout::destroyDebuggerWidget(const QString& unique_name)
+{
+	pxAssert(m_is_active);
+
+	if (!g_debugger_window)
+		return;
+
+	auto debugger_widget_iterator = m_widgets.find(unique_name);
+	if (debugger_widget_iterator == m_widgets.end())
+		return;
+
+	setPrimaryDebuggerWidget(debugger_widget_iterator->second.get(), false);
+	delete debugger_widget_iterator->second.get();
+	m_widgets.erase(debugger_widget_iterator);
+
+	auto [controller, view] = DockUtils::dockWidgetFromName(unique_name);
+	if (!controller)
+		return;
+
+	controller->deleteLater();
+
+	updateDockWidgetTitles();
+}
+
+void DockLayout::setPrimaryDebuggerWidget(DebuggerWidget* widget, bool is_primary)
+{
+	bool present = false;
+	for (auto& [unique_name, test_widget] : m_widgets)
+	{
+		if (test_widget.get() == widget)
+		{
+			present = true;
+			break;
+		}
+	}
+
+	if (!present)
+		return;
+
+	if (is_primary)
+	{
+		// Set the passed widget as the primary widget.
+		for (auto& [unique_name, test_widget] : m_widgets)
+		{
+			if (strcmp(test_widget->metaObject()->className(), widget->metaObject()->className()) == 0)
+			{
+				test_widget->setPrimary(test_widget.get() == widget);
+			}
+		}
+	}
+	else if (widget->isPrimary())
+	{
+		// Set an arbitrary widget as the primary widget.
+		bool next = true;
+		for (auto& [unique_name, test_widget] : m_widgets)
+		{
+			if (test_widget != widget &&
+				strcmp(test_widget->metaObject()->className(), widget->metaObject()->className()) == 0)
+			{
+				test_widget->setPrimary(next);
+				next = false;
+			}
+		}
+
+		// If we haven't set another widget as the primary one we can't make
+		// this one not the primary one.
+		if (!next)
+			widget->setPrimary(false);
+	}
+}
+
+void DockLayout::deleteFile()
+{
+	if (m_layout_file_path.empty())
+		return;
+
+	if (!FileSystem::DeleteFilePath(m_layout_file_path.c_str()))
+		Console.Error("Debugger: Failed to delete layout file '%s'.", m_layout_file_path.c_str());
+}
+
+bool DockLayout::save(DockLayout::Index layout_index)
+{
+	if (!g_debugger_window)
+		return false;
+
+	if (m_is_active)
+	{
+		m_toolbars = g_debugger_window->saveState();
+
+		// Store the geometry of all the dock widgets as JSON.
+		KDDockWidgets::LayoutSaver saver(KDDockWidgets::RestoreOption_RelativeToMainWindow);
+		m_geometry = saver.serializeLayout();
+	}
+
+	// Serialize the layout as JSON.
+	rapidjson::Document json(rapidjson::kObjectType);
+	rapidjson::Document geometry;
+
+	const char* cpu_name = DebugInterface::cpuName(m_cpu);
+	const std::string& default_layouts_hash = DockTables::hashDefaultLayouts();
+
+	rapidjson::Value format;
+	format.SetString(DEBUGGER_LAYOUT_FILE_FORMAT, strlen(DEBUGGER_LAYOUT_FILE_FORMAT));
+	json.AddMember("format", format, json.GetAllocator());
+
+	json.AddMember("version_major", DEBUGGER_LAYOUT_FILE_VERSION_MAJOR, json.GetAllocator());
+	json.AddMember("version_minor", DEBUGGER_LAYOUT_FILE_VERSION_MINOR, json.GetAllocator());
+	rapidjson::Value version_hash;
+	version_hash.SetString(default_layouts_hash.c_str(), default_layouts_hash.size());
+	json.AddMember("version_hash", version_hash, json.GetAllocator());
+
+	std::string name_str = m_name.toStdString();
+	json.AddMember("name", rapidjson::Value().SetString(name_str.c_str(), name_str.size()), json.GetAllocator());
+	json.AddMember("target", rapidjson::Value().SetString(cpu_name, strlen(cpu_name)), json.GetAllocator());
+	json.AddMember("index", static_cast<int>(layout_index), json.GetAllocator());
+	json.AddMember("isDefault", m_is_default, json.GetAllocator());
+	json.AddMember("nextUniqueName", m_next_unique_name, json.GetAllocator());
+
+	if (!m_base_layout.empty())
+	{
+		rapidjson::Value base_layout;
+		base_layout.SetString(m_base_layout.c_str(), m_base_layout.size());
+		json.AddMember("baseLayout", base_layout, json.GetAllocator());
+	}
+
+	if (!m_toolbars.isEmpty())
+	{
+		std::string toolbars_str = m_toolbars.toBase64().toStdString();
+		rapidjson::Value toolbars;
+		toolbars.SetString(toolbars_str.data(), toolbars_str.size(), json.GetAllocator());
+		json.AddMember("toolbars", toolbars, json.GetAllocator());
+	}
+
+	rapidjson::Value widgets(rapidjson::kArrayType);
+	for (auto& [unique_name, widget] : m_widgets)
+	{
+		pxAssert(widget.get());
+
+		rapidjson::Value object(rapidjson::kObjectType);
+
+		std::string name_str = unique_name.toStdString();
+		rapidjson::Value name;
+		name.SetString(name_str.c_str(), name_str.size(), json.GetAllocator());
+		object.AddMember("uniqueName", name, json.GetAllocator());
+
+		const char* type_str = widget->metaObject()->className();
+		rapidjson::Value type;
+		type.SetString(type_str, strlen(type_str), json.GetAllocator());
+		object.AddMember("type", type, json.GetAllocator());
+
+		if (widget->cpuOverride().has_value())
+		{
+			const char* cpu_name = DebugInterface::cpuName(*widget->cpuOverride());
+
+			rapidjson::Value target;
+			target.SetString(cpu_name, strlen(cpu_name));
+			object.AddMember("target", target, json.GetAllocator());
+		}
+
+		JsonValueWrapper wrapper(object, json.GetAllocator());
+		widget->toJson(wrapper);
+
+		widgets.PushBack(object, json.GetAllocator());
+	}
+	json.AddMember("widgets", widgets, json.GetAllocator());
+
+	if (!m_geometry.isEmpty() && !geometry.Parse(m_geometry).HasParseError())
+		json.AddMember("geometry", geometry, json.GetAllocator());
+
+	rapidjson::StringBuffer string_buffer;
+	rapidjson::PrettyWriter<rapidjson::StringBuffer> writer(string_buffer);
+	json.Accept(writer);
+
+	std::string safe_name = Path::SanitizeFileName(m_name.toStdString());
+
+	// Create a temporary file first so that we don't corrupt an existing file
+	// in the case that we succeed in opening the file but fail to write our
+	// data to it.
+	std::string temp_file_path = Path::Combine(EmuFolders::DebuggerLayouts, safe_name + ".tmp");
+
+	if (!FileSystem::WriteStringToFile(temp_file_path.c_str(), string_buffer.GetString()))
+	{
+		Console.Error("Debugger: Failed to save temporary layout file '%s'.", temp_file_path.c_str());
+		FileSystem::DeleteFilePath(temp_file_path.c_str());
+		return false;
+	}
+
+	// Now move the layout to its final location.
+	std::string file_path = Path::Combine(EmuFolders::DebuggerLayouts, safe_name + ".json");
+
+	if (!FileSystem::RenamePath(temp_file_path.c_str(), file_path.c_str()))
+	{
+		Console.Error("Debugger: Failed to move layout file to '%s'.", file_path.c_str());
+		FileSystem::DeleteFilePath(temp_file_path.c_str());
+		return false;
+	}
+
+	// If the layout has been renamed we need to delete the old file.
+	if (file_path != m_layout_file_path)
+		deleteFile();
+
+	m_layout_file_path = std::move(file_path);
+
+	return true;
+}
+
+void DockLayout::load(
+	const std::string& path,
+	LoadResult& result,
+	DockLayout::Index& index_last_session)
+{
+	pxAssert(!m_is_active);
+
+	result = SUCCESS;
+
+	std::optional<std::string> text = FileSystem::ReadFileToString(path.c_str());
+	if (!text.has_value())
+	{
+		Console.Error("Debugger: Failed to open layout file '%s'.", path.c_str());
+		result = FILE_NOT_FOUND;
+		return;
+	}
+
+	rapidjson::Document json;
+	if (json.Parse(text->c_str()).HasParseError() || !json.IsObject())
+	{
+		Console.Error("Debugger: Failed to parse layout file '%s' as JSON.", path.c_str());
+		result = INVALID_FORMAT;
+		return;
+	}
+
+	auto format = json.FindMember("format");
+	if (format == json.MemberEnd() ||
+		!format->value.IsString() ||
+		strcmp(format->value.GetString(), DEBUGGER_LAYOUT_FILE_FORMAT) != 0)
+	{
+		Console.Error("Debugger: Layout file '%s' has missing or invalid 'format' property.", path.c_str());
+		result = INVALID_FORMAT;
+		return;
+	}
+
+	auto version_major = json.FindMember("version_major");
+	if (version_major == json.MemberEnd() || !version_major->value.IsInt())
+	{
+		Console.Error("Debugger: Layout file '%s' has missing or invalid 'version_major' property.", path.c_str());
+		result = INVALID_FORMAT;
+		return;
+	}
+
+	if (version_major->value.GetInt() != DEBUGGER_LAYOUT_FILE_VERSION_MAJOR)
+	{
+		result = MAJOR_VERSION_MISMATCH;
+		return;
+	}
+
+	auto version_minor = json.FindMember("version_minor");
+	if (version_minor == json.MemberEnd() || !version_minor->value.IsInt())
+	{
+		Console.Error("Debugger: Layout file '%s' has missing or invalid 'version_minor' property.", path.c_str());
+		result = INVALID_FORMAT;
+		return;
+	}
+
+	auto version_hash = json.FindMember("version_hash");
+	if (version_hash == json.MemberEnd() || !version_hash->value.IsString())
+	{
+		Console.Error("Debugger: Layout file '%s' has missing or invalid 'version_hash' property.", path.c_str());
+		result = INVALID_FORMAT;
+		return;
+	}
+
+	if (strcmp(version_hash->value.GetString(), DockTables::hashDefaultLayouts().c_str()) != 0)
+		result = DEFAULT_LAYOUT_HASH_MISMATCH;
+
+	auto name = json.FindMember("name");
+	if (name != json.MemberEnd() && name->value.IsString())
+		m_name = name->value.GetString();
+	else
+		m_name = QCoreApplication::translate("DockLayout", "Unnamed");
+
+	m_name.truncate(DockUtils::MAX_LAYOUT_NAME_SIZE);
+
+	auto target = json.FindMember("target");
+	m_cpu = BREAKPOINT_EE;
+	if (target != json.MemberEnd() && target->value.IsString())
+	{
+		for (BreakPointCpu cpu : DEBUG_CPUS)
+			if (strcmp(DebugInterface::cpuName(cpu), target->value.GetString()) == 0)
+				m_cpu = cpu;
+	}
+
+	auto index = json.FindMember("index");
+	if (index != json.MemberEnd() && index->value.IsInt())
+		index_last_session = index->value.GetInt();
+
+	auto is_default = json.FindMember("isDefault");
+	if (is_default != json.MemberEnd() && is_default->value.IsBool())
+		m_is_default = is_default->value.GetBool();
+
+	auto next_unique_name = json.FindMember("nextUniqueName");
+	if (next_unique_name != json.MemberBegin() && next_unique_name->value.IsInt())
+		m_next_unique_name = next_unique_name->value.GetInt();
+
+	auto base_layout = json.FindMember("baseLayout");
+	if (base_layout != json.MemberEnd() && base_layout->value.IsString())
+		m_base_layout = base_layout->value.GetString();
+
+	auto toolbars = json.FindMember("toolbars");
+	if (toolbars != json.MemberEnd() && toolbars->value.IsString())
+		m_toolbars = QByteArray::fromBase64(toolbars->value.GetString());
+
+	auto widgets = json.FindMember("widgets");
+	if (widgets != json.MemberEnd() && widgets->value.IsArray())
+	{
+		for (rapidjson::Value& object : widgets->value.GetArray())
+		{
+			auto unique_name = object.FindMember("uniqueName");
+			if (unique_name == object.MemberEnd() || !unique_name->value.IsString())
+				continue;
+
+			auto widgets_iterator = m_widgets.find(unique_name->value.GetString());
+			if (widgets_iterator != m_widgets.end())
+				continue;
+
+			auto type = object.FindMember("type");
+			if (type == object.MemberEnd() || !type->value.IsString())
+				continue;
+
+			auto description = DockTables::DEBUGGER_WIDGETS.find(type->value.GetString());
+			if (description == DockTables::DEBUGGER_WIDGETS.end())
+				continue;
+
+			std::optional<BreakPointCpu> cpu_override;
+
+			auto target = object.FindMember("target");
+			if (target != object.MemberEnd() && target->value.IsString())
+			{
+				for (BreakPointCpu cpu : DEBUG_CPUS)
+					if (strcmp(DebugInterface::cpuName(cpu), target->value.GetString()) == 0)
+						cpu_override = cpu;
+			}
+
+			DebuggerWidgetParameters parameters;
+			parameters.unique_name = unique_name->value.GetString();
+			parameters.cpu = &DebugInterface::get(m_cpu);
+			parameters.cpu_override = cpu_override;
+
+			DebuggerWidget* widget = description->second.create_widget(parameters);
+
+			JsonValueWrapper wrapper(object, json.GetAllocator());
+			if (!widget->fromJson(wrapper))
+			{
+				delete widget;
+				continue;
+			}
+
+			m_widgets.emplace(unique_name->value.GetString(), widget);
+		}
+	}
+
+	auto geometry = json.FindMember("geometry");
+	if (geometry != json.MemberEnd() && geometry->value.IsObject())
+	{
+		rapidjson::StringBuffer string_buffer;
+		rapidjson::Writer<rapidjson::StringBuffer> writer(string_buffer);
+		geometry->value.Accept(writer);
+
+		m_geometry = QByteArray(string_buffer.GetString(), string_buffer.GetSize());
+	}
+
+	m_layout_file_path = path;
+
+	validatePrimaryDebuggerWidgets();
+}
+
+void DockLayout::validatePrimaryDebuggerWidgets()
+{
+	std::map<std::string, std::vector<DebuggerWidget*>> type_to_widgets;
+	for (const auto& [unique_name, widget] : m_widgets)
+		type_to_widgets[widget->metaObject()->className()].emplace_back(widget.get());
+
+	for (auto& [type, widgets] : type_to_widgets)
+	{
+		u32 primary_widgets = 0;
+
+		// Make sure at most one widget is marked as primary.
+		for (DebuggerWidget* widget : widgets)
+		{
+			if (widget->isPrimary())
+			{
+				if (primary_widgets != 0)
+					widget->setPrimary(false);
+
+				primary_widgets++;
+			}
+		}
+
+		// If none of the widgets were marked as primary, just set the first one
+		// as the primary one.
+		if (primary_widgets == 0)
+			widgets[0]->setPrimary(true);
+	}
+}
+
+void DockLayout::setupDefaultLayout()
+{
+	pxAssert(m_is_active);
+
+	if (!g_debugger_window)
+		return;
+
+	const DockTables::DefaultDockLayout* base_layout = DockTables::defaultLayout(m_base_layout);
+	if (!base_layout)
+		return;
+
+	std::vector<KDDockWidgets::QtWidgets::DockWidget*> groups(base_layout->groups.size(), nullptr);
+
+	for (const DockTables::DefaultDockWidgetDescription& dock_description : base_layout->widgets)
+	{
+		const DockTables::DefaultDockGroupDescription& group =
+			base_layout->groups[static_cast<u32>(dock_description.group)];
+
+		DebuggerWidget* widget = nullptr;
+		for (auto& [unique_name, test_widget] : m_widgets)
+			if (test_widget->metaObject()->className() == dock_description.type)
+				widget = test_widget;
+
+		if (!widget)
+			continue;
+
+		auto view = static_cast<KDDockWidgets::QtWidgets::DockWidget*>(
+			KDDockWidgets::Config::self().viewFactory()->createDockWidget(widget->uniqueName()));
+		view->setWidget(widget);
+
+		if (!groups[static_cast<u32>(dock_description.group)])
+		{
+			KDDockWidgets::QtWidgets::DockWidget* parent = nullptr;
+			if (group.parent != DockTables::DefaultDockGroup::ROOT)
+				parent = groups[static_cast<u32>(group.parent)];
+
+			g_debugger_window->addDockWidget(view, group.location, parent);
+
+			groups[static_cast<u32>(dock_description.group)] = view;
+		}
+		else
+		{
+			groups[static_cast<u32>(dock_description.group)]->addDockWidgetAsTab(view);
+		}
+	}
+
+	for (KDDockWidgets::Core::Group* group : KDDockWidgets::DockRegistry::self()->groups())
+		group->setCurrentTabIndex(0);
+}
+
+QString DockLayout::generateNewUniqueName(const char* type)
+{
+	QString name;
+	do
+	{
+		if (m_next_unique_name == INT_MAX)
+			return QString();
+
+		// Produce unique names that will lexicographically sort in the order
+		// they were allocated. This ensures the #1, #2, etc suffixes for dock
+		// widgets with conflicting names will be assigned in the correct order.
+		name = QStringLiteral("%1-%2").arg(m_next_unique_name, 16, 10, QLatin1Char('0')).arg(type);
+		m_next_unique_name++;
+	} while (hasDebuggerWidget(name));
+	return name;
+}

pcsx2-qt/Debugger/Docking/DockLayout.h

@@ -0,0 +1,163 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "Debugger/Docking/DockTables.h"
+
+#include "DebugTools/DebugInterface.h"
+
+#include <kddockwidgets/MainWindow.h>
+#include <kddockwidgets/DockWidget.h>
+
+#include <QtCore/QPointer>
+
+class DebuggerWidget;
+class DebuggerWindow;
+
+extern const char* DEBUGGER_LAYOUT_FILE_FORMAT;
+
+// Increment this whenever there is a breaking change to the JSON format.
+extern const u32 DEBUGGER_LAYOUT_FILE_VERSION_MAJOR;
+
+// Increment this whenever there is a non-breaking change to the JSON format.
+extern const u32 DEBUGGER_LAYOUT_FILE_VERSION_MINOR;
+
+class DockLayout
+{
+public:
+	using Index = size_t;
+	static const constexpr Index INVALID_INDEX = SIZE_MAX;
+
+	enum LoadResult
+	{
+		SUCCESS,
+		FILE_NOT_FOUND,
+		INVALID_FORMAT,
+		MAJOR_VERSION_MISMATCH,
+		DEFAULT_LAYOUT_HASH_MISMATCH,
+		CONFLICTING_NAME
+	};
+
+	// Create a layout based on a default layout.
+	DockLayout(
+		QString name,
+		BreakPointCpu cpu,
+		bool is_default,
+		const std::string& base_name,
+		DockLayout::Index index);
+
+	// Create a new blank layout.
+	DockLayout(
+		QString name,
+		BreakPointCpu cpu,
+		bool is_default,
+		DockLayout::Index index);
+
+	// Clone an existing layout.
+	DockLayout(
+		QString name,
+		BreakPointCpu cpu,
+		bool is_default,
+		const DockLayout& layout_to_clone,
+		DockLayout::Index index);
+
+	// Load a layout from a file.
+	DockLayout(
+		const std::string& path,
+		LoadResult& result,
+		DockLayout::Index& index_last_session,
+		DockLayout::Index index);
+
+	~DockLayout();
+
+	DockLayout(const DockLayout& rhs) = delete;
+	DockLayout& operator=(const DockLayout& rhs) = delete;
+
+	DockLayout(DockLayout&& rhs) = default;
+	DockLayout& operator=(DockLayout&&) = default;
+
+	const QString& name() const;
+	void setName(QString name);
+
+	BreakPointCpu cpu() const;
+	void setCpu(BreakPointCpu cpu);
+
+	bool isDefault() const;
+
+	// Tear down and save the state of all the dock widgets from this layout.
+	void freeze();
+
+	// Restore the state of all the dock widgets from this layout.
+	void thaw();
+
+	bool canReset();
+	void reset();
+
+	KDDockWidgets::Core::DockWidget* createDockWidget(const QString& name);
+	void updateDockWidgetTitles();
+
+	const std::map<QString, QPointer<DebuggerWidget>>& debuggerWidgets();
+	bool hasDebuggerWidget(const QString& unique_name);
+	size_t countDebuggerWidgetsOfType(const char* type);
+	void createDebuggerWidget(const std::string& type);
+	void recreateDebuggerWidget(const QString& unique_name);
+	void destroyDebuggerWidget(const QString& unique_name);
+	void setPrimaryDebuggerWidget(DebuggerWidget* widget, bool is_primary);
+
+	void deleteFile();
+
+	bool save(DockLayout::Index layout_index);
+
+private:
+	void load(
+		const std::string& path,
+		DockLayout::LoadResult& result,
+		DockLayout::Index& index_last_session);
+
+	// Make sure there is only a single primary debugger widget of each type.
+	void validatePrimaryDebuggerWidgets();
+
+	void setupDefaultLayout();
+
+	QString generateNewUniqueName(const char* type);
+
+	// The name displayed in the user interface. Also used to determine the
+	// file name for the layout file.
+	QString m_name;
+
+	// The default target for dock widgets in this layout. This can be
+	// overriden on a per-widget basis.
+	BreakPointCpu m_cpu;
+
+	// Is this one of the default layouts?
+	bool m_is_default = false;
+
+	// A counter used to generate new unique names for dock widgets.
+	int m_next_unique_name = 0;
+
+	// The name of the default layout which this layout was based on. This will
+	// be used if the m_geometry variable above is empty.
+	std::string m_base_layout;
+
+	// The state of all the toolbars, saved and restored using
+	// QMainWindow::saveState and QMainWindow::restoreState respectively.
+	QByteArray m_toolbars;
+
+	// All the dock widgets currently open in this layout. If this is the active
+	// layout then these will be owned by the docking system, otherwise they
+	// won't be and will need to be cleaned up separately.
+	std::map<QString, QPointer<DebuggerWidget>> m_widgets;
+
+	// The geometry of all the dock widgets, converted to JSON by the
+	// LayoutSaver class from KDDockWidgets.
+	QByteArray m_geometry;
+
+	// The absolute file path of the corresponding layout file as it currently
+	// exists exists on disk, or empty if no such file exists.
+	std::string m_layout_file_path;
+
+	// If this layout is the currently selected layout this will be true,
+	// otherwise it will be false.
+	bool m_is_active = false;
+};

pcsx2-qt/Debugger/Docking/DockManager.cpp

@@ -0,0 +1,967 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "DockManager.h"
+
+#include "Debugger/DebuggerWidget.h"
+#include "Debugger/DebuggerWindow.h"
+#include "Debugger/Docking/DockTables.h"
+#include "Debugger/Docking/DockViews.h"
+#include "Debugger/Docking/DropIndicators.h"
+#include "Debugger/Docking/LayoutEditorDialog.h"
+#include "Debugger/Docking/NoLayoutsWidget.h"
+
+#include "common/Assertions.h"
+#include "common/FileSystem.h"
+#include "common/StringUtil.h"
+#include "common/Path.h"
+
+#include <kddockwidgets/Config.h>
+#include <kddockwidgets/core/Group.h>
+#include <kddockwidgets/core/Stack.h>
+#include <kddockwidgets/core/indicators/SegmentedDropIndicatorOverlay.h>
+#include <kddockwidgets/qtwidgets/Stack.h>
+
+#include <QtCore/QTimer>
+#include <QtCore/QtTranslation>
+#include <QtWidgets/QMessageBox>
+#include <QtWidgets/QPushButton>
+
+DockManager::DockManager(QObject* parent)
+	: QObject(parent)
+{
+	QTimer* autosave_timer = new QTimer(this);
+	connect(autosave_timer, &QTimer::timeout, this, &DockManager::saveCurrentLayout);
+	autosave_timer->start(60 * 1000);
+
+	m_blink_timer = new QTimer(this);
+	connect(m_blink_timer, &QTimer::timeout, this, &DockManager::layoutSwitcherUpdateBlink);
+}
+
+void DockManager::configureDockingSystem()
+{
+	std::string indicator_style = Host::GetBaseStringSettingValue(
+		"Debugger/UserInterface", "DropIndicatorStyle", "Classic");
+
+	if (indicator_style == "Segmented" || indicator_style == "Minimalistic")
+	{
+		KDDockWidgets::Core::ViewFactory::s_dropIndicatorType = KDDockWidgets::DropIndicatorType::Segmented;
+		DockSegmentedDropIndicatorOverlay::s_indicator_style = indicator_style;
+	}
+	else
+	{
+		KDDockWidgets::Core::ViewFactory::s_dropIndicatorType = KDDockWidgets::DropIndicatorType::Classic;
+	}
+
+	static bool done = false;
+	if (done)
+		return;
+
+	KDDockWidgets::initFrontend(KDDockWidgets::FrontendType::QtWidgets);
+
+	KDDockWidgets::Config& config = KDDockWidgets::Config::self();
+
+	config.setFlags(
+		KDDockWidgets::Config::Flag_HideTitleBarWhenTabsVisible |
+		KDDockWidgets::Config::Flag_AlwaysShowTabs |
+		KDDockWidgets::Config::Flag_AllowReorderTabs |
+		KDDockWidgets::Config::Flag_TitleBarIsFocusable);
+
+	// We set this flag regardless of whether or not the windowing system
+	// supports compositing since it's only used by the built-in docking
+	// indicator, and we only fall back to that if compositing is disabled.
+	config.setInternalFlags(KDDockWidgets::Config::InternalFlag_DisableTranslucency);
+
+	config.setDockWidgetFactoryFunc(&DockManager::dockWidgetFactory);
+	config.setViewFactory(new DockViewFactory());
+	config.setDragAboutToStartFunc(&DockManager::dragAboutToStart);
+	config.setStartDragDistance(std::max(QApplication::startDragDistance(), 32));
+
+	done = true;
+}
+
+bool DockManager::deleteLayout(DockLayout::Index layout_index)
+{
+	pxAssertRel(layout_index != DockLayout::INVALID_INDEX,
+		"DockManager::deleteLayout called with INVALID_INDEX.");
+
+	if (layout_index == m_current_layout)
+	{
+		DockLayout::Index other_layout = DockLayout::INVALID_INDEX;
+		if (layout_index + 1 < m_layouts.size())
+			other_layout = layout_index + 1;
+		else if (layout_index > 0)
+			other_layout = layout_index - 1;
+
+		switchToLayout(other_layout);
+	}
+
+	m_layouts.at(layout_index).deleteFile();
+	m_layouts.erase(m_layouts.begin() + layout_index);
+
+	// All the layouts after the one being deleted have been shifted over by
+	// one, so adjust the current layout index accordingly.
+	if (m_current_layout > layout_index && m_current_layout != DockLayout::INVALID_INDEX)
+		m_current_layout--;
+
+	if (m_layouts.empty() && g_debugger_window)
+	{
+		NoLayoutsWidget* widget = new NoLayoutsWidget;
+		connect(widget->createDefaultLayoutsButton(), &QPushButton::clicked, this, &DockManager::resetAllLayouts);
+
+		KDDockWidgets::QtWidgets::DockWidget* dock = new KDDockWidgets::QtWidgets::DockWidget("placeholder");
+		dock->setTitle(tr("No Layouts"));
+		dock->setWidget(widget);
+		g_debugger_window->addDockWidget(dock, KDDockWidgets::Location_OnTop);
+	}
+
+	return true;
+}
+
+void DockManager::switchToLayout(DockLayout::Index layout_index, bool blink_tab)
+{
+	if (layout_index != m_current_layout)
+	{
+		if (m_current_layout != DockLayout::INVALID_INDEX)
+		{
+			DockLayout& layout = m_layouts.at(m_current_layout);
+			layout.freeze();
+			layout.save(m_current_layout);
+		}
+
+		// Clear out the existing positions of toolbars so they don't affect
+		// where new toolbars appear for other layouts.
+		if (g_debugger_window)
+			g_debugger_window->clearToolBarState();
+
+		updateToolBarLockState();
+
+		m_current_layout = layout_index;
+
+		if (m_current_layout != DockLayout::INVALID_INDEX)
+		{
+			DockLayout& layout = m_layouts.at(m_current_layout);
+			layout.thaw();
+
+			int tab_index = static_cast<int>(layout_index);
+			if (m_switcher && tab_index >= 0 && tab_index < m_plus_tab_index)
+			{
+				m_ignore_current_tab_changed = true;
+				m_switcher->setCurrentIndex(tab_index);
+				m_ignore_current_tab_changed = false;
+			}
+		}
+	}
+
+	if (blink_tab)
+		layoutSwitcherStartBlink();
+}
+
+bool DockManager::switchToLayoutWithCPU(BreakPointCpu cpu, bool blink_tab)
+{
+	// Don't interrupt the user if the current layout already has the right CPU.
+	if (m_current_layout != DockLayout::INVALID_INDEX && m_layouts.at(m_current_layout).cpu() == cpu)
+	{
+		switchToLayout(m_current_layout, blink_tab);
+		return true;
+	}
+
+	for (DockLayout::Index i = 0; i < m_layouts.size(); i++)
+	{
+		if (m_layouts[i].cpu() == cpu)
+		{
+			switchToLayout(i, blink_tab);
+			return true;
+		}
+	}
+
+	return false;
+}
+
+void DockManager::loadLayouts()
+{
+	m_layouts.clear();
+
+	// Load the layouts.
+	FileSystem::FindResultsArray files;
+	FileSystem::FindFiles(
+		EmuFolders::DebuggerLayouts.c_str(),
+		"*.json",
+		FILESYSTEM_FIND_FILES | FILESYSTEM_FIND_HIDDEN_FILES,
+		&files);
+
+	bool needs_reset = false;
+	bool order_changed = false;
+	std::vector<DockLayout::Index> indices_last_session;
+
+	for (const FILESYSTEM_FIND_DATA& ffd : files)
+	{
+		DockLayout::LoadResult result;
+		DockLayout::Index index_last_session = DockLayout::INVALID_INDEX;
+		DockLayout::Index index =
+			createLayout(ffd.FileName, result, index_last_session);
+
+		DockLayout& layout = m_layouts.at(index);
+
+		// Try to make sure the layout has a unique name.
+		const QString& name = layout.name();
+		QString new_name = name;
+		if (result == DockLayout::SUCCESS || result == DockLayout::DEFAULT_LAYOUT_HASH_MISMATCH)
+		{
+			for (int i = 2; hasNameConflict(new_name, index) && i < 100; i++)
+			{
+				if (i == 99)
+				{
+					result = DockLayout::CONFLICTING_NAME;
+					break;
+				}
+
+				new_name = QString("%1 #%2").arg(name).arg(i);
+			}
+		}
+
+		needs_reset |= result != DockLayout::SUCCESS;
+
+		if (result != DockLayout::SUCCESS && result != DockLayout::DEFAULT_LAYOUT_HASH_MISMATCH)
+		{
+			deleteLayout(index);
+
+			// Only delete the file if we've identified that it's actually a
+			// layout file.
+			if (result == DockLayout::MAJOR_VERSION_MISMATCH || result == DockLayout::CONFLICTING_NAME)
+				FileSystem::DeleteFilePath(ffd.FileName.c_str());
+
+			continue;
+		}
+
+		if (new_name != name)
+		{
+			layout.setName(new_name);
+			layout.save(index);
+		}
+
+		if (index_last_session != index)
+			order_changed = true;
+
+		indices_last_session.emplace_back(index_last_session);
+	}
+
+	// Make sure the layouts remain in the same order they were in previously.
+	std::vector<DockLayout*> layout_pointers;
+	for (DockLayout& layout : m_layouts)
+		layout_pointers.emplace_back(&layout);
+
+	std::sort(layout_pointers.begin(), layout_pointers.end(),
+		[this, &indices_last_session](const DockLayout* lhs, const DockLayout* rhs) {
+			size_t lhs_index = lhs - m_layouts.data();
+			size_t rhs_index = rhs - m_layouts.data();
+			DockLayout::Index lhs_index_last_session = indices_last_session.at(lhs_index);
+			DockLayout::Index rhs_index_last_session = indices_last_session.at(rhs_index);
+			return lhs_index_last_session < rhs_index_last_session;
+		});
+
+	std::vector<DockLayout> sorted_layouts;
+	for (size_t i = 0; i < layout_pointers.size(); i++)
+		sorted_layouts.emplace_back(std::move(*layout_pointers[i]));
+
+	m_layouts = std::move(sorted_layouts);
+
+	if (m_layouts.empty() || needs_reset)
+		resetDefaultLayouts();
+	else
+		updateLayoutSwitcher();
+
+	// Make sure the indices in the existing layout files match up with the
+	// indices of any new layouts.
+	if (order_changed)
+		saveLayouts();
+}
+
+bool DockManager::saveLayouts()
+{
+	for (DockLayout::Index i = 0; i < m_layouts.size(); i++)
+		if (!m_layouts[i].save(i))
+			return false;
+
+	return true;
+}
+
+bool DockManager::saveCurrentLayout()
+{
+	if (m_current_layout == DockLayout::INVALID_INDEX)
+		return true;
+
+	return m_layouts.at(m_current_layout).save(m_current_layout);
+}
+
+void DockManager::resetAllLayouts()
+{
+	switchToLayout(DockLayout::INVALID_INDEX);
+
+	for (DockLayout& layout : m_layouts)
+		layout.deleteFile();
+
+	m_layouts.clear();
+
+	for (const DockTables::DefaultDockLayout& layout : DockTables::DEFAULT_DOCK_LAYOUTS)
+		createLayout(tr(layout.name.c_str()), layout.cpu, true, layout.name);
+
+	switchToLayout(0);
+	updateLayoutSwitcher();
+	saveLayouts();
+}
+
+void DockManager::resetDefaultLayouts()
+{
+	switchToLayout(DockLayout::INVALID_INDEX);
+
+	std::vector<DockLayout> old_layouts = std::move(m_layouts);
+	m_layouts = std::vector<DockLayout>();
+
+	for (const DockTables::DefaultDockLayout& layout : DockTables::DEFAULT_DOCK_LAYOUTS)
+		createLayout(tr(layout.name.c_str()), layout.cpu, true, layout.name);
+
+	for (DockLayout& layout : old_layouts)
+		if (!layout.isDefault())
+			m_layouts.emplace_back(std::move(layout));
+		else
+			layout.deleteFile();
+
+	switchToLayout(0);
+	updateLayoutSwitcher();
+	saveLayouts();
+}
+
+void DockManager::createToolsMenu(QMenu* menu)
+{
+	menu->clear();
+
+	if (m_current_layout == DockLayout::INVALID_INDEX || !g_debugger_window)
+		return;
+
+	for (QToolBar* widget : g_debugger_window->findChildren<QToolBar*>())
+	{
+		QAction* action = menu->addAction(widget->windowTitle());
+		action->setText(widget->windowTitle());
+		action->setCheckable(true);
+		action->setChecked(widget->isVisible());
+		connect(action, &QAction::triggered, this, [widget]() {
+			widget->setVisible(!widget->isVisible());
+		});
+		menu->addAction(action);
+	}
+}
+
+void DockManager::createWindowsMenu(QMenu* menu)
+{
+	menu->clear();
+
+	if (m_current_layout == DockLayout::INVALID_INDEX)
+		return;
+
+	DockLayout& layout = m_layouts.at(m_current_layout);
+
+	// Create a menu that allows for multiple dock widgets of the same type to
+	// be opened.
+	QMenu* add_another_menu = menu->addMenu(tr("Add Another..."));
+
+	std::vector<DebuggerWidget*> add_another_widgets;
+	std::set<std::string> add_another_types;
+	for (const auto& [unique_name, widget] : layout.debuggerWidgets())
+	{
+		std::string type = widget->metaObject()->className();
+
+		if (widget->supportsMultipleInstances() && !add_another_types.contains(type))
+		{
+			add_another_widgets.emplace_back(widget);
+			add_another_types.emplace(type);
+		}
+	}
+
+	std::sort(add_another_widgets.begin(), add_another_widgets.end(),
+		[](const DebuggerWidget* lhs, const DebuggerWidget* rhs) {
+			if (lhs->displayNameWithoutSuffix() == rhs->displayNameWithoutSuffix())
+				return lhs->displayNameSuffixNumber() < rhs->displayNameSuffixNumber();
+
+			return lhs->displayNameWithoutSuffix() < rhs->displayNameWithoutSuffix();
+		});
+
+	for (DebuggerWidget* widget : add_another_widgets)
+	{
+		const char* type = widget->metaObject()->className();
+
+		const auto description_iterator = DockTables::DEBUGGER_WIDGETS.find(type);
+		pxAssert(description_iterator != DockTables::DEBUGGER_WIDGETS.end());
+
+		QAction* action = add_another_menu->addAction(description_iterator->second.display_name);
+		connect(action, &QAction::triggered, this, [this, type]() {
+			if (m_current_layout == DockLayout::INVALID_INDEX)
+				return;
+
+			m_layouts.at(m_current_layout).createDebuggerWidget(type);
+		});
+	}
+
+	if (add_another_widgets.empty())
+		add_another_menu->setDisabled(true);
+
+	menu->addSeparator();
+
+	struct DebuggerWidgetToggle
+	{
+		QString display_name;
+		std::optional<int> suffix_number;
+		QAction* action;
+	};
+
+	std::vector<DebuggerWidgetToggle> toggles;
+	std::set<std::string> toggle_types;
+
+	// Create a menu item for each open debugger widget.
+	for (const auto& [unique_name, widget] : layout.debuggerWidgets())
+	{
+		QAction* action = new QAction(menu);
+		action->setText(widget->displayName());
+		action->setCheckable(true);
+		action->setChecked(true);
+		connect(action, &QAction::triggered, this, [this, unique_name]() {
+			if (m_current_layout == DockLayout::INVALID_INDEX)
+				return;
+
+			m_layouts.at(m_current_layout).destroyDebuggerWidget(unique_name);
+		});
+
+		DebuggerWidgetToggle& toggle = toggles.emplace_back();
+		toggle.display_name = widget->displayNameWithoutSuffix();
+		toggle.suffix_number = widget->displayNameSuffixNumber();
+		toggle.action = action;
+
+		toggle_types.emplace(widget->metaObject()->className());
+	}
+
+	// Create menu items to open debugger widgets without any open instances.
+	for (const auto& [type, desc] : DockTables::DEBUGGER_WIDGETS)
+	{
+		if (!toggle_types.contains(type))
+		{
+			QString display_name = QCoreApplication::translate("DebuggerWidget", desc.display_name);
+
+			QAction* action = new QAction(menu);
+			action->setText(display_name);
+			action->setCheckable(true);
+			action->setChecked(false);
+			connect(action, &QAction::triggered, this, [this, type]() {
+				if (m_current_layout == DockLayout::INVALID_INDEX)
+					return;
+
+				m_layouts.at(m_current_layout).createDebuggerWidget(type);
+			});
+
+			DebuggerWidgetToggle& toggle = toggles.emplace_back();
+			toggle.display_name = display_name;
+			toggle.suffix_number = std::nullopt;
+			toggle.action = action;
+		}
+	}
+
+	std::sort(toggles.begin(), toggles.end(),
+		[](const DebuggerWidgetToggle& lhs, const DebuggerWidgetToggle& rhs) {
+			if (lhs.display_name == rhs.display_name)
+				return lhs.suffix_number < rhs.suffix_number;
+
+			return lhs.display_name < rhs.display_name;
+		});
+
+	for (const DebuggerWidgetToggle& toggle : toggles)
+		menu->addAction(toggle.action);
+}
+
+QWidget* DockManager::createLayoutSwitcher(QWidget* menu_bar)
+{
+	QWidget* container = new QWidget;
+
+	QHBoxLayout* layout = new QHBoxLayout;
+	layout->setContentsMargins(0, 2, 2, 0);
+	container->setLayout(layout);
+
+	QWidget* menu_wrapper = new QWidget;
+	menu_wrapper->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
+	layout->addWidget(menu_wrapper);
+
+	QHBoxLayout* menu_layout = new QHBoxLayout;
+	menu_layout->setContentsMargins(0, 4, 0, 4);
+	menu_wrapper->setLayout(menu_layout);
+
+	menu_layout->addWidget(menu_bar);
+
+	m_switcher = new QTabBar;
+	m_switcher->setContentsMargins(0, 0, 0, 0);
+	m_switcher->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
+	m_switcher->setContextMenuPolicy(Qt::CustomContextMenu);
+	m_switcher->setMovable(true);
+	layout->addWidget(m_switcher);
+
+	updateLayoutSwitcher();
+
+	connect(m_switcher, &QTabBar::tabMoved, this, &DockManager::layoutSwitcherTabMoved);
+	connect(m_switcher, &QTabBar::customContextMenuRequested, this, &DockManager::layoutSwitcherContextMenu);
+
+	QWidget* spacer = new QWidget;
+	spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
+	layout->addWidget(spacer);
+
+	bool layout_locked = Host::GetBaseBoolSettingValue("Debugger/UserInterface", "LayoutLocked", true);
+
+	QPushButton* lock_layout_toggle = new QPushButton;
+	lock_layout_toggle->setCheckable(true);
+	lock_layout_toggle->setChecked(layout_locked);
+	lock_layout_toggle->setFlat(true);
+	connect(lock_layout_toggle, &QPushButton::toggled, this, [this, lock_layout_toggle](bool checked) {
+		setLayoutLocked(checked, lock_layout_toggle, true);
+	});
+	layout->addWidget(lock_layout_toggle);
+
+	setLayoutLocked(layout_locked, lock_layout_toggle, false);
+
+	return container;
+}
+
+void DockManager::updateLayoutSwitcher()
+{
+	if (!m_switcher)
+		return;
+
+	disconnect(m_tab_connection);
+
+	for (int i = m_switcher->count(); i > 0; i--)
+		m_switcher->removeTab(i - 1);
+
+	for (DockLayout& layout : m_layouts)
+	{
+		const char* cpu_name = DebugInterface::cpuName(layout.cpu());
+		QString tab_name = QString("%1 (%2)").arg(layout.name()).arg(cpu_name);
+		m_switcher->addTab(tab_name);
+	}
+
+	m_plus_tab_index = m_switcher->addTab("+");
+	m_current_tab_index = m_current_layout;
+
+	if (m_current_layout != DockLayout::INVALID_INDEX)
+		m_switcher->setCurrentIndex(m_current_layout);
+
+	// If we don't have any layouts, the currently selected tab will never be
+	// changed, so we respond to all clicks instead.
+	if (!m_layouts.empty())
+		m_tab_connection = connect(m_switcher, &QTabBar::currentChanged, this, &DockManager::layoutSwitcherTabChanged);
+	else
+		m_tab_connection = connect(m_switcher, &QTabBar::tabBarClicked, this, &DockManager::layoutSwitcherTabChanged);
+
+	layoutSwitcherStopBlink();
+}
+
+void DockManager::layoutSwitcherTabChanged(int index)
+{
+	// Prevent recursion.
+	if (m_ignore_current_tab_changed)
+		return;
+
+	if (index == m_plus_tab_index)
+	{
+		if (m_current_tab_index >= 0 && m_current_tab_index < m_plus_tab_index)
+		{
+			m_ignore_current_tab_changed = true;
+			m_switcher->setCurrentIndex(m_current_tab_index);
+			m_ignore_current_tab_changed = false;
+		}
+
+		auto name_validator = [this](const QString& name) {
+			return !hasNameConflict(name, DockLayout::INVALID_INDEX);
+		};
+
+		bool can_clone_current_layout = m_current_layout != DockLayout::INVALID_INDEX;
+
+		QPointer<LayoutEditorDialog> dialog = new LayoutEditorDialog(
+			name_validator, can_clone_current_layout, g_debugger_window);
+
+		if (dialog->exec() == QDialog::Accepted && name_validator(dialog->name()))
+		{
+			DockLayout::Index new_layout = DockLayout::INVALID_INDEX;
+
+			const auto [mode, index] = dialog->initialState();
+			switch (mode)
+			{
+				case LayoutEditorDialog::DEFAULT_LAYOUT:
+				{
+					const DockTables::DefaultDockLayout& default_layout = DockTables::DEFAULT_DOCK_LAYOUTS.at(index);
+					new_layout = createLayout(dialog->name(), dialog->cpu(), false, default_layout.name);
+					break;
+				}
+				case LayoutEditorDialog::BLANK_LAYOUT:
+				{
+					new_layout = createLayout(dialog->name(), dialog->cpu(), false);
+					break;
+				}
+				case LayoutEditorDialog::CLONE_LAYOUT:
+				{
+					if (m_current_layout == DockLayout::INVALID_INDEX)
+						return;
+
+					DockLayout::Index old_layout = m_current_layout;
+
+					// Freeze the current layout so we can copy the geometry.
+					switchToLayout(DockLayout::INVALID_INDEX);
+
+					new_layout = createLayout(dialog->name(), dialog->cpu(), false, m_layouts.at(old_layout));
+					break;
+				}
+			}
+
+			updateLayoutSwitcher();
+			switchToLayout(new_layout);
+		}
+
+		delete dialog.get();
+	}
+	else
+	{
+		DockLayout::Index layout_index = static_cast<DockLayout::Index>(index);
+		if (layout_index < 0 || layout_index >= m_layouts.size())
+			return;
+
+		switchToLayout(layout_index);
+		m_current_tab_index = index;
+	}
+}
+
+void DockManager::layoutSwitcherTabMoved(int from, int to)
+{
+	DockLayout::Index from_index = static_cast<DockLayout::Index>(from);
+	DockLayout::Index to_index = static_cast<DockLayout::Index>(to);
+
+	if (from_index >= m_layouts.size() || to_index >= m_layouts.size())
+	{
+		// This happens when the user tries to move a layout to the right of the
+		// plus button.
+		updateLayoutSwitcher();
+		return;
+	}
+
+	DockLayout& from_layout = m_layouts[from_index];
+	DockLayout& to_layout = m_layouts[to_index];
+
+	std::swap(from_layout, to_layout);
+
+	from_layout.save(from_index);
+	to_layout.save(to_index);
+
+	if (from_index == m_current_layout)
+		m_current_layout = to_index;
+	else if (to_index == m_current_layout)
+		m_current_layout = from_index;
+}
+
+void DockManager::layoutSwitcherContextMenu(QPoint pos)
+{
+	DockLayout::Index layout_index = static_cast<DockLayout::Index>(m_switcher->tabAt(pos));
+	if (layout_index >= m_layouts.size())
+		return;
+
+	DockLayout& layout = m_layouts[layout_index];
+
+	QMenu* menu = new QMenu(m_switcher);
+	menu->setAttribute(Qt::WA_DeleteOnClose);
+
+	QAction* edit_action = menu->addAction(tr("Edit Layout"));
+	connect(edit_action, &QAction::triggered, [this, layout_index]() {
+		if (layout_index >= m_layouts.size())
+			return;
+
+		DockLayout& layout = m_layouts[layout_index];
+
+		auto name_validator = [this, layout_index](const QString& name) {
+			return !hasNameConflict(name, layout_index);
+		};
+
+		QPointer<LayoutEditorDialog> dialog = new LayoutEditorDialog(
+			layout.name(), layout.cpu(), name_validator, g_debugger_window);
+
+		if (dialog->exec() != QDialog::Accepted || !name_validator(dialog->name()))
+			return;
+
+		layout.setName(dialog->name());
+		layout.setCpu(dialog->cpu());
+
+		layout.save(layout_index);
+
+		delete dialog.get();
+
+		updateLayoutSwitcher();
+	});
+
+	QAction* reset_action = menu->addAction(tr("Reset Layout"));
+	reset_action->setEnabled(layout.canReset());
+	reset_action->connect(reset_action, &QAction::triggered, [this, layout_index]() {
+		if (layout_index >= m_layouts.size())
+			return;
+
+		DockLayout& layout = m_layouts[layout_index];
+		if (!layout.canReset())
+			return;
+
+		QString text = tr("Are you sure you want to reset layout '%1'?").arg(layout.name());
+		if (QMessageBox::question(g_debugger_window, tr("Confirmation"), text) != QMessageBox::Yes)
+			return;
+
+		bool current_layout = layout_index == m_current_layout;
+
+		if (current_layout)
+			switchToLayout(DockLayout::INVALID_INDEX);
+
+		layout.reset();
+		layout.save(layout_index);
+
+		if (current_layout)
+			switchToLayout(layout_index);
+	});
+
+	QAction* delete_action = menu->addAction(tr("Delete Layout"));
+	connect(delete_action, &QAction::triggered, [this, layout_index]() {
+		if (layout_index >= m_layouts.size())
+			return;
+
+		DockLayout& layout = m_layouts[layout_index];
+
+		QString text = tr("Are you sure you want to delete layout '%1'?").arg(layout.name());
+		if (QMessageBox::question(g_debugger_window, tr("Confirmation"), text) != QMessageBox::Yes)
+			return;
+
+		deleteLayout(layout_index);
+		updateLayoutSwitcher();
+	});
+
+	menu->popup(m_switcher->mapToGlobal(pos));
+}
+
+void DockManager::layoutSwitcherStartBlink()
+{
+	if (!m_switcher)
+		return;
+
+	layoutSwitcherStopBlink();
+
+	if (m_current_layout == DockLayout::INVALID_INDEX)
+		return;
+
+	m_blink_tab = m_current_layout;
+	m_blink_stage = 0;
+	m_blink_timer->start(500);
+
+	layoutSwitcherUpdateBlink();
+}
+
+void DockManager::layoutSwitcherUpdateBlink()
+{
+	if (!m_switcher)
+		return;
+
+	if (m_blink_tab < m_switcher->count())
+	{
+		if (m_blink_stage % 2 == 0)
+			m_switcher->setTabTextColor(m_blink_tab, Qt::red);
+		else
+			m_switcher->setTabTextColor(m_blink_tab, m_switcher->palette().text().color());
+	}
+
+	m_blink_stage++;
+
+	if (m_blink_stage > 7)
+		m_blink_timer->stop();
+}
+
+void DockManager::layoutSwitcherStopBlink()
+{
+	if (m_blink_timer->isActive())
+	{
+		if (m_blink_tab < m_switcher->count())
+			m_switcher->setTabTextColor(m_blink_tab, m_switcher->palette().text().color());
+
+		m_blink_timer->stop();
+	}
+}
+
+bool DockManager::hasNameConflict(const QString& name, DockLayout::Index layout_index)
+{
+	std::string safe_name = Path::SanitizeFileName(name.toStdString());
+	for (DockLayout::Index i = 0; i < m_layouts.size(); i++)
+	{
+		std::string other_safe_name = Path::SanitizeFileName(m_layouts[i].name().toStdString());
+		if (i != layout_index && StringUtil::compareNoCase(other_safe_name, safe_name))
+			return true;
+	}
+
+	return false;
+}
+
+void DockManager::updateDockWidgetTitles()
+{
+	if (m_current_layout == DockLayout::INVALID_INDEX)
+		return;
+
+	m_layouts.at(m_current_layout).updateDockWidgetTitles();
+}
+
+const std::map<QString, QPointer<DebuggerWidget>>& DockManager::debuggerWidgets()
+{
+	static std::map<QString, QPointer<DebuggerWidget>> dummy;
+	if (m_current_layout == DockLayout::INVALID_INDEX)
+		return dummy;
+
+	return m_layouts.at(m_current_layout).debuggerWidgets();
+}
+
+size_t DockManager::countDebuggerWidgetsOfType(const char* type)
+{
+	if (m_current_layout == DockLayout::INVALID_INDEX)
+		return 0;
+
+	return m_layouts.at(m_current_layout).countDebuggerWidgetsOfType(type);
+}
+
+void DockManager::recreateDebuggerWidget(const QString& unique_name)
+{
+	if (m_current_layout == DockLayout::INVALID_INDEX)
+		return;
+
+	m_layouts.at(m_current_layout).recreateDebuggerWidget(unique_name);
+}
+
+void DockManager::destroyDebuggerWidget(const QString& unique_name)
+{
+	if (m_current_layout == DockLayout::INVALID_INDEX)
+		return;
+
+	m_layouts.at(m_current_layout).destroyDebuggerWidget(unique_name);
+}
+
+void DockManager::setPrimaryDebuggerWidget(DebuggerWidget* widget, bool is_primary)
+{
+	if (m_current_layout == DockLayout::INVALID_INDEX)
+		return;
+
+	m_layouts.at(m_current_layout).setPrimaryDebuggerWidget(widget, is_primary);
+}
+
+void DockManager::switchToDebuggerWidget(DebuggerWidget* widget)
+{
+	if (m_current_layout == DockLayout::INVALID_INDEX)
+		return;
+
+	for (const auto& [unique_name, test_widget] : m_layouts.at(m_current_layout).debuggerWidgets())
+	{
+		if (widget == test_widget)
+		{
+			auto [controller, view] = DockUtils::dockWidgetFromName(unique_name);
+			controller->setAsCurrentTab();
+			break;
+		}
+	}
+}
+
+void DockManager::updateStyleSheets()
+{
+	for (DockLayout& layout : m_layouts)
+		for (const auto& [unique_name, widget] : layout.debuggerWidgets())
+			widget->updateStyleSheet();
+}
+
+bool DockManager::isLayoutLocked()
+{
+	return m_layout_locked;
+}
+
+void DockManager::setLayoutLocked(bool locked, QPushButton* lock_layout_toggle, bool write_back)
+{
+	m_layout_locked = locked;
+
+	if (lock_layout_toggle)
+	{
+		if (m_layout_locked)
+		{
+			lock_layout_toggle->setText(tr("Layout Locked"));
+			lock_layout_toggle->setIcon(QIcon::fromTheme(QString::fromUtf8("padlock-lock")));
+		}
+		else
+		{
+			lock_layout_toggle->setText(tr("Layout Unlocked"));
+			lock_layout_toggle->setIcon(QIcon::fromTheme(QString::fromUtf8("padlock-unlock")));
+		}
+	}
+
+	updateToolBarLockState();
+
+	for (KDDockWidgets::Core::Group* group : KDDockWidgets::DockRegistry::self()->groups())
+	{
+		auto stack = static_cast<KDDockWidgets::QtWidgets::Stack*>(group->stack()->view());
+		stack->setTabsClosable(!m_layout_locked);
+
+		// HACK: Make sure the sizes of the tabs get updated.
+		if (stack->tabBar()->count() > 0)
+			stack->tabBar()->setTabText(0, stack->tabBar()->tabText(0));
+	}
+
+	if (write_back)
+	{
+		Host::SetBaseBoolSettingValue("Debugger/UserInterface", "LayoutLocked", m_layout_locked);
+		Host::CommitBaseSettingChanges();
+	}
+}
+
+void DockManager::updateToolBarLockState()
+{
+	if (!g_debugger_window)
+		return;
+
+	for (QToolBar* toolbar : g_debugger_window->findChildren<QToolBar*>())
+		toolbar->setMovable(!m_layout_locked || toolbar->isFloating());
+}
+
+std::optional<BreakPointCpu> DockManager::cpu()
+{
+	if (m_current_layout == DockLayout::INVALID_INDEX)
+		return std::nullopt;
+
+	return m_layouts.at(m_current_layout).cpu();
+}
+
+KDDockWidgets::Core::DockWidget* DockManager::dockWidgetFactory(const QString& name)
+{
+	if (!g_debugger_window)
+		return nullptr;
+
+	DockManager& manager = g_debugger_window->dockManager();
+	if (manager.m_current_layout == DockLayout::INVALID_INDEX)
+		return nullptr;
+
+	return manager.m_layouts.at(manager.m_current_layout).createDockWidget(name);
+}
+
+bool DockManager::dragAboutToStart(KDDockWidgets::Core::Draggable* draggable)
+{
+	bool locked = true;
+	if (g_debugger_window)
+		locked = g_debugger_window->dockManager().isLayoutLocked();
+
+	KDDockWidgets::Config::self().setDropIndicatorsInhibited(locked);
+
+	if (draggable->isInProgrammaticDrag())
+		return true;
+
+	// Allow floating windows to be dragged around even if the layout is locked.
+	if (draggable->isWindow())
+		return true;
+
+	if (!g_debugger_window)
+		return false;
+
+	return !locked;
+}

pcsx2-qt/Debugger/Docking/DockManager.h

@@ -0,0 +1,118 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "Debugger/Docking/DockLayout.h"
+
+#include <kddockwidgets/MainWindow.h>
+#include <kddockwidgets/DockWidget.h>
+#include <kddockwidgets/core/DockRegistry.h>
+#include <kddockwidgets/core/DockWidget.h>
+#include <kddockwidgets/core/Draggable_p.h>
+
+#include <QtCore/QPointer>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QTabBar>
+
+class DockManager : public QObject
+{
+	Q_OBJECT
+
+public:
+	DockManager(QObject* parent = nullptr);
+
+	DockManager(const DockManager& rhs) = delete;
+	DockManager& operator=(const DockManager& rhs) = delete;
+
+	DockManager(DockManager&& rhs) = delete;
+	DockManager& operator=(DockManager&&) = delete;
+
+	// This needs to be called before any KDDockWidgets objects are created
+	// including the debugger window itself.
+	static void configureDockingSystem();
+
+	template <typename... Args>
+	DockLayout::Index createLayout(Args&&... args)
+	{
+		DockLayout::Index layout_index = m_layouts.size();
+
+		if (m_layouts.empty())
+		{
+			// Delete the placeholder created in DockManager::deleteLayout.
+			for (KDDockWidgets::Core::DockWidget* dock : KDDockWidgets::DockRegistry::self()->dockwidgets())
+				delete dock;
+		}
+
+		m_layouts.emplace_back(std::forward<Args>(args)..., layout_index);
+
+		return layout_index;
+	}
+
+	bool deleteLayout(DockLayout::Index layout_index);
+
+	void switchToLayout(DockLayout::Index layout_index, bool blink_tab = false);
+	bool switchToLayoutWithCPU(BreakPointCpu cpu, bool blink_tab = false);
+
+	void loadLayouts();
+	bool saveLayouts();
+	bool saveCurrentLayout();
+
+	QString currentLayoutName();
+	bool canResetCurrentLayout();
+
+	void resetCurrentLayout();
+	void resetDefaultLayouts();
+	void resetAllLayouts();
+
+	void createToolsMenu(QMenu* menu);
+	void createWindowsMenu(QMenu* menu);
+
+	QWidget* createLayoutSwitcher(QWidget* menu_bar);
+	void updateLayoutSwitcher();
+	void layoutSwitcherTabChanged(int index);
+	void layoutSwitcherTabMoved(int from, int to);
+	void layoutSwitcherContextMenu(QPoint pos);
+	void layoutSwitcherStartBlink();
+	void layoutSwitcherUpdateBlink();
+	void layoutSwitcherStopBlink();
+
+	bool hasNameConflict(const QString& name, DockLayout::Index layout_index);
+
+	void updateDockWidgetTitles();
+
+	const std::map<QString, QPointer<DebuggerWidget>>& debuggerWidgets();
+	size_t countDebuggerWidgetsOfType(const char* type);
+	void recreateDebuggerWidget(const QString& unique_name);
+	void destroyDebuggerWidget(const QString& unique_name);
+	void setPrimaryDebuggerWidget(DebuggerWidget* widget, bool is_primary);
+	void switchToDebuggerWidget(DebuggerWidget* widget);
+
+	void updateStyleSheets();
+
+	bool isLayoutLocked();
+	void setLayoutLocked(bool locked, QPushButton* lock_layout_toggle, bool write_back);
+	void updateToolBarLockState();
+
+	std::optional<BreakPointCpu> cpu();
+
+private:
+	static KDDockWidgets::Core::DockWidget* dockWidgetFactory(const QString& name);
+	static bool dragAboutToStart(KDDockWidgets::Core::Draggable* draggable);
+
+	std::vector<DockLayout> m_layouts;
+	DockLayout::Index m_current_layout = DockLayout::INVALID_INDEX;
+
+	QTabBar* m_switcher = nullptr;
+	int m_plus_tab_index = -1;
+	int m_current_tab_index = -1;
+	bool m_ignore_current_tab_changed = false;
+
+	QMetaObject::Connection m_tab_connection;
+
+	bool m_layout_locked = true;
+
+	QTimer* m_blink_timer = nullptr;
+	int m_blink_tab = 0;
+	int m_blink_stage = 0;
+};

pcsx2-qt/Debugger/Docking/DockTables.cpp

@@ -0,0 +1,226 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "DockTables.h"
+
+#include "Debugger/DebuggerEvents.h"
+#include "Debugger/DisassemblyWidget.h"
+#include "Debugger/RegisterWidget.h"
+#include "Debugger/StackWidget.h"
+#include "Debugger/ThreadWidget.h"
+#include "Debugger/Breakpoints/BreakpointWidget.h"
+#include "Debugger/Memory/MemorySearchWidget.h"
+#include "Debugger/Memory/MemoryViewWidget.h"
+#include "Debugger/Memory/SavedAddressesWidget.h"
+#include "Debugger/SymbolTree/SymbolTreeWidgets.h"
+
+#include "common/MD5Digest.h"
+
+#include "fmt/format.h"
+
+using namespace DockUtils;
+
+#define DEBUGGER_WIDGET(type, display_name, preferred_location) \
+	{ \
+		#type, \
+		{ \
+			[](const DebuggerWidgetParameters& parameters) -> DebuggerWidget* { \
+				DebuggerWidget* widget = new type(parameters); \
+				widget->handleEvent(DebuggerEvents::Refresh()); \
+				return widget; \
+			}, \
+				display_name, \
+				preferred_location \
+		} \
+	}
+
+const std::map<std::string, DockTables::DebuggerWidgetDescription> DockTables::DEBUGGER_WIDGETS = {
+	DEBUGGER_WIDGET(BreakpointWidget, QT_TRANSLATE_NOOP("DebuggerWidget", "Breakpoints"), BOTTOM_MIDDLE),
+	DEBUGGER_WIDGET(DisassemblyWidget, QT_TRANSLATE_NOOP("DebuggerWidget", "Disassembly"), TOP_RIGHT),
+	DEBUGGER_WIDGET(FunctionTreeWidget, QT_TRANSLATE_NOOP("DebuggerWidget", "Functions"), TOP_LEFT),
+	DEBUGGER_WIDGET(GlobalVariableTreeWidget, QT_TRANSLATE_NOOP("DebuggerWidget", "Globals"), BOTTOM_MIDDLE),
+	DEBUGGER_WIDGET(LocalVariableTreeWidget, QT_TRANSLATE_NOOP("DebuggerWidget", "Locals"), BOTTOM_MIDDLE),
+	DEBUGGER_WIDGET(MemorySearchWidget, QT_TRANSLATE_NOOP("DebuggerWidget", "Memory Search"), TOP_LEFT),
+	DEBUGGER_WIDGET(MemoryViewWidget, QT_TRANSLATE_NOOP("DebuggerWidget", "Memory"), BOTTOM_MIDDLE),
+	DEBUGGER_WIDGET(ParameterVariableTreeWidget, QT_TRANSLATE_NOOP("DebuggerWidget", "Parameters"), BOTTOM_MIDDLE),
+	DEBUGGER_WIDGET(RegisterWidget, QT_TRANSLATE_NOOP("DebuggerWidget", "Registers"), TOP_LEFT),
+	DEBUGGER_WIDGET(SavedAddressesWidget, QT_TRANSLATE_NOOP("DebuggerWidget", "Saved Addresses"), BOTTOM_MIDDLE),
+	DEBUGGER_WIDGET(StackWidget, QT_TRANSLATE_NOOP("DebuggerWidget", "Stack"), BOTTOM_MIDDLE),
+	DEBUGGER_WIDGET(ThreadWidget, QT_TRANSLATE_NOOP("DebuggerWidget", "Threads"), BOTTOM_MIDDLE),
+};
+
+#undef DEBUGGER_WIDGET
+
+const std::vector<DockTables::DefaultDockLayout> DockTables::DEFAULT_DOCK_LAYOUTS = {
+	{
+		.name = QT_TRANSLATE_NOOP("DebuggerLayout", "R5900"),
+		.cpu = BREAKPOINT_EE,
+		.groups = {
+			/* [DefaultDockGroup::TOP_RIGHT] = */ {KDDockWidgets::Location_OnRight, DefaultDockGroup::ROOT},
+			/* [DefaultDockGroup::BOTTOM]    = */ {KDDockWidgets::Location_OnBottom, DefaultDockGroup::TOP_RIGHT},
+			/* [DefaultDockGroup::TOP_LEFT]  = */ {KDDockWidgets::Location_OnLeft, DefaultDockGroup::TOP_RIGHT},
+		},
+		.widgets = {
+			/* DefaultDockGroup::TOP_RIGHT */
+			{"DisassemblyWidget", DefaultDockGroup::TOP_RIGHT},
+			/* DefaultDockGroup::BOTTOM */
+			{"MemoryViewWidget", DefaultDockGroup::BOTTOM},
+			{"BreakpointWidget", DefaultDockGroup::BOTTOM},
+			{"ThreadWidget", DefaultDockGroup::BOTTOM},
+			{"StackWidget", DefaultDockGroup::BOTTOM},
+			{"SavedAddressesWidget", DefaultDockGroup::BOTTOM},
+			{"GlobalVariableTreeWidget", DefaultDockGroup::BOTTOM},
+			{"LocalVariableTreeWidget", DefaultDockGroup::BOTTOM},
+			{"ParameterVariableTreeWidget", DefaultDockGroup::BOTTOM},
+			/* DefaultDockGroup::TOP_LEFT */
+			{"RegisterWidget", DefaultDockGroup::TOP_LEFT},
+			{"FunctionTreeWidget", DefaultDockGroup::TOP_LEFT},
+			{"MemorySearchWidget", DefaultDockGroup::TOP_LEFT},
+		},
+		.toolbars = {
+			"toolBarDebug",
+			"toolBarFile",
+		},
+	},
+	{
+		.name = QT_TRANSLATE_NOOP("DebuggerLayout", "R3000"),
+		.cpu = BREAKPOINT_IOP,
+		.groups = {
+			/* [DefaultDockGroup::TOP_RIGHT] = */ {KDDockWidgets::Location_OnRight, DefaultDockGroup::ROOT},
+			/* [DefaultDockGroup::BOTTOM]    = */ {KDDockWidgets::Location_OnBottom, DefaultDockGroup::TOP_RIGHT},
+			/* [DefaultDockGroup::TOP_LEFT]  = */ {KDDockWidgets::Location_OnLeft, DefaultDockGroup::TOP_RIGHT},
+		},
+		.widgets = {
+			/* DefaultDockGroup::TOP_RIGHT */
+			{"DisassemblyWidget", DefaultDockGroup::TOP_RIGHT},
+			/* DefaultDockGroup::BOTTOM */
+			{"MemoryViewWidget", DefaultDockGroup::BOTTOM},
+			{"BreakpointWidget", DefaultDockGroup::BOTTOM},
+			{"ThreadWidget", DefaultDockGroup::BOTTOM},
+			{"StackWidget", DefaultDockGroup::BOTTOM},
+			{"SavedAddressesWidget", DefaultDockGroup::BOTTOM},
+			{"GlobalVariableTreeWidget", DefaultDockGroup::BOTTOM},
+			{"LocalVariableTreeWidget", DefaultDockGroup::BOTTOM},
+			{"ParameterVariableTreeWidget", DefaultDockGroup::BOTTOM},
+			/* DefaultDockGroup::TOP_LEFT */
+			{"RegisterWidget", DefaultDockGroup::TOP_LEFT},
+			{"FunctionTreeWidget", DefaultDockGroup::TOP_LEFT},
+			{"MemorySearchWidget", DefaultDockGroup::TOP_LEFT},
+		},
+		.toolbars = {
+			"toolBarDebug",
+			"toolBarFile",
+		},
+	},
+};
+
+const DockTables::DefaultDockLayout* DockTables::defaultLayout(const std::string& name)
+{
+	for (const DockTables::DefaultDockLayout& default_layout : DockTables::DEFAULT_DOCK_LAYOUTS)
+		if (default_layout.name == name)
+			return &default_layout;
+
+	return nullptr;
+}
+
+const std::string& DockTables::hashDefaultLayouts()
+{
+	static std::string hash;
+	if (!hash.empty())
+		return hash;
+
+	MD5Digest md5;
+
+	u32 hash_version = 1;
+	md5.Update(&hash_version, sizeof(hash_version));
+
+	u32 layout_count = static_cast<u32>(DEFAULT_DOCK_LAYOUTS.size());
+	md5.Update(&layout_count, sizeof(layout_count));
+
+	for (const DefaultDockLayout& layout : DEFAULT_DOCK_LAYOUTS)
+		hashDefaultLayout(layout, md5);
+
+	u8 digest[16];
+	md5.Final(digest);
+	hash = fmt::format(
+		"{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}",
+		digest[0], digest[1], digest[2], digest[3], digest[4], digest[5], digest[6], digest[7],
+		digest[8], digest[9], digest[10], digest[11], digest[12], digest[13], digest[14], digest[15]);
+
+	return hash;
+}
+
+void DockTables::hashDefaultLayout(const DefaultDockLayout& layout, MD5Digest& md5)
+{
+	u32 layout_name_size = static_cast<u32>(layout.name.size());
+	md5.Update(&layout_name_size, sizeof(layout_name_size));
+	md5.Update(layout.name.data(), layout_name_size);
+
+	const char* cpu_name = DebugInterface::cpuName(layout.cpu);
+	u32 cpu_name_size = static_cast<u32>(strlen(cpu_name));
+	md5.Update(&cpu_name_size, sizeof(cpu_name_size));
+	md5.Update(cpu_name, cpu_name_size);
+
+	u32 group_count = static_cast<u32>(layout.groups.size());
+	md5.Update(&group_count, sizeof(group_count));
+
+	for (const DefaultDockGroupDescription& group : layout.groups)
+		hashDefaultGroup(group, md5);
+
+	u32 widget_count = static_cast<u32>(layout.widgets.size());
+	md5.Update(&widget_count, sizeof(widget_count));
+
+	for (const DefaultDockWidgetDescription& widget : layout.widgets)
+		hashDefaultDockWidget(widget, md5);
+
+	u32 toolbar_count = static_cast<u32>(layout.toolbars.size());
+	md5.Update(&toolbar_count, sizeof(toolbar_count));
+	for (const std::string& toolbar : layout.toolbars)
+	{
+		u32 toolbar_size = toolbar.size();
+		md5.Update(&toolbar_size, sizeof(toolbar_size));
+		md5.Update(toolbar.data(), toolbar.size());
+	}
+}
+
+void DockTables::hashDefaultGroup(const DefaultDockGroupDescription& group, MD5Digest& md5)
+{
+	// This is inline here so that it's obvious that changing it will affect the
+	// result of the hash.
+	const char* location = "";
+	switch (group.location)
+	{
+		case KDDockWidgets::Location_None:
+			location = "none";
+			break;
+		case KDDockWidgets::Location_OnLeft:
+			location = "left";
+			break;
+		case KDDockWidgets::Location_OnTop:
+			location = "top";
+			break;
+		case KDDockWidgets::Location_OnRight:
+			location = "right";
+			break;
+		case KDDockWidgets::Location_OnBottom:
+			location = "bottom";
+			break;
+	}
+
+	u32 location_size = static_cast<u32>(strlen(location));
+	md5.Update(&location_size, sizeof(location_size));
+	md5.Update(location, location_size);
+
+	u32 parent = static_cast<u32>(group.parent);
+	md5.Update(&parent, sizeof(parent));
+}
+
+void DockTables::hashDefaultDockWidget(const DefaultDockWidgetDescription& widget, MD5Digest& md5)
+{
+	u32 type_size = static_cast<u32>(widget.type.size());
+	md5.Update(&type_size, sizeof(type_size));
+	md5.Update(widget.type.data(), type_size);
+
+	u32 group = static_cast<u32>(widget.group);
+	md5.Update(&group, sizeof(group));
+}

pcsx2-qt/Debugger/Docking/DockTables.h

@@ -0,0 +1,75 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "DockUtils.h"
+
+#include "DebugTools/DebugInterface.h"
+
+#include <kddockwidgets/KDDockWidgets.h>
+
+class MD5Digest;
+
+class DebuggerWidget;
+struct DebuggerWidgetParameters;
+
+namespace DockTables
+{
+	struct DebuggerWidgetDescription
+	{
+		DebuggerWidget* (*create_widget)(const DebuggerWidgetParameters& parameters);
+
+		// The untranslated string displayed as the dock widget tab text.
+		const char* display_name;
+
+		// This is used to determine which group dock widgets of this type are
+		// added to when they're opened from the Windows menu.
+		DockUtils::PreferredLocation preferred_location;
+	};
+
+	extern const std::map<std::string, DebuggerWidgetDescription> DEBUGGER_WIDGETS;
+
+	enum class DefaultDockGroup
+	{
+		ROOT = -1,
+		TOP_RIGHT = 0,
+		BOTTOM = 1,
+		TOP_LEFT = 2
+	};
+
+	struct DefaultDockGroupDescription
+	{
+		KDDockWidgets::Location location;
+		DefaultDockGroup parent;
+	};
+
+	extern const std::vector<DefaultDockGroupDescription> DEFAULT_DOCK_GROUPS;
+
+	struct DefaultDockWidgetDescription
+	{
+		std::string type;
+		DefaultDockGroup group;
+	};
+
+	struct DefaultDockLayout
+	{
+		std::string name;
+		BreakPointCpu cpu;
+		std::vector<DefaultDockGroupDescription> groups;
+		std::vector<DefaultDockWidgetDescription> widgets;
+		std::set<std::string> toolbars;
+	};
+
+	extern const std::vector<DefaultDockLayout> DEFAULT_DOCK_LAYOUTS;
+
+	const DefaultDockLayout* defaultLayout(const std::string& name);
+
+	// This is used to determine if the user has updated and we need to recreate
+	// the default layouts.
+	const std::string& hashDefaultLayouts();
+
+	void hashDefaultLayout(const DefaultDockLayout& layout, MD5Digest& md5);
+	void hashDefaultGroup(const DefaultDockGroupDescription& group, MD5Digest& md5);
+	void hashDefaultDockWidget(const DefaultDockWidgetDescription& widget, MD5Digest& md5);
+} // namespace DockTables

pcsx2-qt/Debugger/Docking/DockUtils.cpp

@@ -0,0 +1,98 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "DockUtils.h"
+
+#include <kddockwidgets/Config.h>
+#include <kddockwidgets/core/DockRegistry.h>
+#include <kddockwidgets/core/Group.h>
+#include <kddockwidgets/qtwidgets/DockWidget.h>
+#include <kddockwidgets/qtwidgets/Group.h>
+
+DockUtils::DockWidgetPair DockUtils::dockWidgetFromName(const QString& unique_name)
+{
+	KDDockWidgets::Vector<QString> names{unique_name};
+	KDDockWidgets::Vector<KDDockWidgets::Core::DockWidget*> dock_widgets =
+		KDDockWidgets::DockRegistry::self()->dockWidgets(names);
+	if (dock_widgets.size() != 1 || !dock_widgets[0])
+		return {};
+
+	return {dock_widgets[0], static_cast<KDDockWidgets::QtWidgets::DockWidget*>(dock_widgets[0]->view())};
+}
+
+void DockUtils::insertDockWidgetAtPreferredLocation(
+	KDDockWidgets::Core::DockWidget* dock_widget,
+	PreferredLocation location,
+	KDDockWidgets::QtWidgets::MainWindow* window)
+{
+	int width = window->width();
+	int height = window->height();
+	int half_width = width / 2;
+	int half_height = height / 2;
+
+	QPoint preferred_location;
+	switch (location)
+	{
+		case DockUtils::TOP_LEFT:
+			preferred_location = {0, 0};
+			break;
+		case DockUtils::TOP_MIDDLE:
+			preferred_location = {half_width, 0};
+			break;
+		case DockUtils::TOP_RIGHT:
+			preferred_location = {width, 0};
+			break;
+		case DockUtils::MIDDLE_LEFT:
+			preferred_location = {0, half_height};
+			break;
+		case DockUtils::MIDDLE_MIDDLE:
+			preferred_location = {half_width, half_height};
+			break;
+		case DockUtils::MIDDLE_RIGHT:
+			preferred_location = {width, half_height};
+			break;
+		case DockUtils::BOTTOM_LEFT:
+			preferred_location = {0, height};
+			break;
+		case DockUtils::BOTTOM_MIDDLE:
+			preferred_location = {half_width, height};
+			break;
+		case DockUtils::BOTTOM_RIGHT:
+			preferred_location = {width, height};
+			break;
+	}
+
+	// Find the dock group which is closest to the preferred location.
+	KDDockWidgets::Core::Group* best_group = nullptr;
+	int best_distance_squared = 0;
+
+	for (KDDockWidgets::Core::Group* group_controller : KDDockWidgets::DockRegistry::self()->groups())
+	{
+		if (group_controller->isFloating())
+			continue;
+
+		auto group = static_cast<KDDockWidgets::QtWidgets::Group*>(group_controller->view());
+
+		QPoint local_midpoint = group->pos() + QPoint(group->width() / 2, group->height() / 2);
+		QPoint midpoint = group->mapTo(window, local_midpoint);
+		QPoint delta = midpoint - preferred_location;
+		int distance_squared = delta.x() * delta.x() + delta.y() * delta.y();
+
+		if (!best_group || distance_squared < best_distance_squared)
+		{
+			best_group = group_controller;
+			best_distance_squared = distance_squared;
+		}
+	}
+
+	if (best_group && best_group->dockWidgetCount() > 0)
+	{
+		KDDockWidgets::Core::DockWidget* other_dock_widget = best_group->dockWidgetAt(0);
+		other_dock_widget->addDockWidgetAsTab(dock_widget);
+	}
+	else
+	{
+		auto dock_view = static_cast<KDDockWidgets::QtWidgets::DockWidget*>(dock_widget->view());
+		window->addDockWidget(dock_view, KDDockWidgets::Location_OnTop);
+	}
+}

pcsx2-qt/Debugger/Docking/DockUtils.h

@@ -0,0 +1,40 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include <kddockwidgets/KDDockWidgets.h>
+#include <kddockwidgets/core/DockWidget.h>
+#include <kddockwidgets/qtwidgets/MainWindow.h>
+
+namespace DockUtils
+{
+	inline const constexpr int MAX_LAYOUT_NAME_SIZE = 40;
+	inline const constexpr int MAX_DOCK_WIDGET_NAME_SIZE = 40;
+
+	struct DockWidgetPair
+	{
+		KDDockWidgets::Core::DockWidget* controller = nullptr;
+		KDDockWidgets::QtWidgets::DockWidget* view = nullptr;
+	};
+
+	DockWidgetPair dockWidgetFromName(const QString& unique_name);
+
+	enum PreferredLocation
+	{
+		TOP_LEFT,
+		TOP_MIDDLE,
+		TOP_RIGHT,
+		MIDDLE_LEFT,
+		MIDDLE_MIDDLE,
+		MIDDLE_RIGHT,
+		BOTTOM_LEFT,
+		BOTTOM_MIDDLE,
+		BOTTOM_RIGHT
+	};
+
+	void insertDockWidgetAtPreferredLocation(
+		KDDockWidgets::Core::DockWidget* dock_widget,
+		PreferredLocation location,
+		KDDockWidgets::QtWidgets::MainWindow* window);
+} // namespace DockUtils

pcsx2-qt/Debugger/Docking/DockViews.cpp

@@ -0,0 +1,303 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "DockViews.h"
+
+#include "QtUtils.h"
+#include "Debugger/DebuggerWidget.h"
+#include "Debugger/DebuggerWindow.h"
+#include "Debugger/Docking/DockManager.h"
+#include "Debugger/Docking/DropIndicators.h"
+
+#include "DebugTools/DebugInterface.h"
+
+#include <kddockwidgets/Config.h>
+#include <kddockwidgets/core/TabBar.h>
+#include <kddockwidgets/qtwidgets/views/DockWidget.h>
+
+#include <QtGui/QActionGroup>
+#include <QtGui/QPalette>
+#include <QtWidgets/QInputDialog>
+#include <QtWidgets/QMessageBox>
+#include <QtWidgets/QMenu>
+
+KDDockWidgets::Core::View* DockViewFactory::createDockWidget(
+	const QString& unique_name,
+	KDDockWidgets::DockWidgetOptions options,
+	KDDockWidgets::LayoutSaverOptions layout_saver_options,
+	Qt::WindowFlags window_flags) const
+{
+	return new DockWidget(unique_name, options, layout_saver_options, window_flags);
+}
+
+KDDockWidgets::Core::View* DockViewFactory::createTitleBar(
+	KDDockWidgets::Core::TitleBar* controller,
+	KDDockWidgets::Core::View* parent) const
+{
+	return new DockTitleBar(controller, parent);
+}
+
+KDDockWidgets::Core::View* DockViewFactory::createStack(
+	KDDockWidgets::Core::Stack* controller,
+	KDDockWidgets::Core::View* parent) const
+{
+	return new DockStack(controller, KDDockWidgets::QtCommon::View_qt::asQWidget(parent));
+}
+
+KDDockWidgets::Core::View* DockViewFactory::createTabBar(
+	KDDockWidgets::Core::TabBar* tabBar,
+	KDDockWidgets::Core::View* parent) const
+{
+	return new DockTabBar(tabBar, KDDockWidgets::QtCommon::View_qt::asQWidget(parent));
+}
+
+KDDockWidgets::Core::ClassicIndicatorWindowViewInterface* DockViewFactory::createClassicIndicatorWindow(
+	KDDockWidgets::Core::ClassicDropIndicatorOverlay* classic_indicators,
+	KDDockWidgets::Core::View* parent) const
+{
+	return new DockDropIndicatorProxy(classic_indicators);
+}
+
+KDDockWidgets::Core::ClassicIndicatorWindowViewInterface* DockViewFactory::createFallbackClassicIndicatorWindow(
+	KDDockWidgets::Core::ClassicDropIndicatorOverlay* classic_indicators,
+	KDDockWidgets::Core::View* parent) const
+{
+	return KDDockWidgets::QtWidgets::ViewFactory::createClassicIndicatorWindow(classic_indicators, parent);
+}
+
+KDDockWidgets::Core::View* DockViewFactory::createSegmentedDropIndicatorOverlayView(
+	KDDockWidgets::Core::SegmentedDropIndicatorOverlay* controller,
+	KDDockWidgets::Core::View* parent) const
+{
+	return new DockSegmentedDropIndicatorOverlay(controller, KDDockWidgets::QtCommon::View_qt::asQWidget(parent));
+}
+
+// *****************************************************************************
+
+DockWidget::DockWidget(
+	const QString& unique_name,
+	KDDockWidgets::DockWidgetOptions options,
+	KDDockWidgets::LayoutSaverOptions layout_saver_options,
+	Qt::WindowFlags window_flags)
+	: KDDockWidgets::QtWidgets::DockWidget(unique_name, options, layout_saver_options, window_flags)
+{
+	connect(this, &DockWidget::isOpenChanged, this, &DockWidget::openStateChanged);
+}
+
+void DockWidget::openStateChanged(bool open)
+{
+	// The LayoutSaver class will close a bunch of dock widgets. We only want to
+	// delete the dock widgets when they're being closed by the user.
+	if (KDDockWidgets::LayoutSaver::restoreInProgress())
+		return;
+
+	if (!open && g_debugger_window)
+		g_debugger_window->dockManager().destroyDebuggerWidget(uniqueName());
+}
+
+// *****************************************************************************
+
+DockTitleBar::DockTitleBar(KDDockWidgets::Core::TitleBar* controller, KDDockWidgets::Core::View* parent)
+	: KDDockWidgets::QtWidgets::TitleBar(controller, parent)
+{
+}
+
+void DockTitleBar::mouseDoubleClickEvent(QMouseEvent* event)
+{
+	if (g_debugger_window && !g_debugger_window->dockManager().isLayoutLocked())
+		KDDockWidgets::QtWidgets::TitleBar::mouseDoubleClickEvent(event);
+	else
+		event->ignore();
+}
+
+// *****************************************************************************
+
+DockStack::DockStack(KDDockWidgets::Core::Stack* controller, QWidget* parent)
+	: KDDockWidgets::QtWidgets::Stack(controller, parent)
+{
+}
+
+void DockStack::init()
+{
+	KDDockWidgets::QtWidgets::Stack::init();
+
+	if (g_debugger_window)
+	{
+		bool locked = g_debugger_window->dockManager().isLayoutLocked();
+		setTabsClosable(!locked);
+	}
+}
+
+void DockStack::mouseDoubleClickEvent(QMouseEvent* ev)
+{
+	if (g_debugger_window && !g_debugger_window->dockManager().isLayoutLocked())
+		KDDockWidgets::QtWidgets::Stack::mouseDoubleClickEvent(ev);
+	else
+		ev->ignore();
+}
+
+// *****************************************************************************
+
+DockTabBar::DockTabBar(KDDockWidgets::Core::TabBar* controller, QWidget* parent)
+	: KDDockWidgets::QtWidgets::TabBar(controller, parent)
+{
+	setContextMenuPolicy(Qt::CustomContextMenu);
+	connect(this, &DockTabBar::customContextMenuRequested, this, &DockTabBar::openContextMenu);
+}
+
+void DockTabBar::openContextMenu(QPoint pos)
+{
+	if (!g_debugger_window)
+		return;
+
+	int tab_index = tabAt(pos);
+
+	// Filter out the placeholder widget displayed when there are no layouts.
+	auto [widget, controller, view] = widgetsFromTabIndex(tab_index);
+	if (!widget)
+		return;
+
+	size_t dock_widgets_of_type = g_debugger_window->dockManager().countDebuggerWidgetsOfType(
+		widget->metaObject()->className());
+
+	QMenu* menu = new QMenu(this);
+	menu->setAttribute(Qt::WA_DeleteOnClose);
+
+	QAction* rename_action = menu->addAction(tr("Rename"));
+	connect(rename_action, &QAction::triggered, this, [this, tab_index]() {
+		if (!g_debugger_window)
+			return;
+
+		auto [widget, controller, view] = widgetsFromTabIndex(tab_index);
+		if (!widget)
+			return;
+
+		bool ok;
+		QString new_name = QInputDialog::getText(
+			this, tr("Rename Window"), tr("New name:"), QLineEdit::Normal, widget->displayNameWithoutSuffix(), &ok);
+		if (!ok)
+			return;
+
+		if (!widget->setCustomDisplayName(new_name))
+		{
+			QMessageBox::warning(this, tr("Invalid Name"), tr("The specified name is too long."));
+			return;
+		}
+
+		g_debugger_window->dockManager().updateDockWidgetTitles();
+	});
+
+	QAction* reset_name_action = menu->addAction(tr("Reset Name"));
+	reset_name_action->setEnabled(!widget->customDisplayName().isEmpty());
+	connect(reset_name_action, &QAction::triggered, this, [this, tab_index] {
+		if (!g_debugger_window)
+			return;
+
+		auto [widget, controller, view] = widgetsFromTabIndex(tab_index);
+		if (!widget)
+			return;
+
+		widget->setCustomDisplayName(QString());
+		g_debugger_window->dockManager().updateDockWidgetTitles();
+	});
+
+	QAction* primary_action = menu->addAction(tr("Primary"));
+	primary_action->setCheckable(true);
+	primary_action->setChecked(widget->isPrimary());
+	primary_action->setEnabled(dock_widgets_of_type > 1);
+	connect(primary_action, &QAction::triggered, this, [this, tab_index](bool checked) {
+		if (!g_debugger_window)
+			return;
+
+		auto [widget, controller, view] = widgetsFromTabIndex(tab_index);
+		if (!widget)
+			return;
+
+		g_debugger_window->dockManager().setPrimaryDebuggerWidget(widget, checked);
+	});
+
+	QMenu* set_target_menu = menu->addMenu(tr("Set Target"));
+	QActionGroup* set_target_group = new QActionGroup(menu);
+	set_target_group->setExclusive(true);
+
+	for (BreakPointCpu cpu : DEBUG_CPUS)
+	{
+		const char* long_cpu_name = DebugInterface::longCpuName(cpu);
+		const char* cpu_name = DebugInterface::cpuName(cpu);
+		QString text = QString("%1 (%2)").arg(long_cpu_name).arg(cpu_name);
+
+		QAction* cpu_action = set_target_menu->addAction(text);
+		cpu_action->setCheckable(true);
+		cpu_action->setChecked(widget->cpuOverride().has_value() && *widget->cpuOverride() == cpu);
+		connect(cpu_action, &QAction::triggered, this, [this, tab_index, cpu]() {
+			setCpuOverrideForTab(tab_index, cpu);
+		});
+		set_target_group->addAction(cpu_action);
+	}
+
+	set_target_menu->addSeparator();
+
+	QAction* inherit_action = set_target_menu->addAction(tr("Inherit From Layout"));
+	inherit_action->setCheckable(true);
+	inherit_action->setChecked(!widget->cpuOverride().has_value());
+	connect(inherit_action, &QAction::triggered, this, [this, tab_index]() {
+		setCpuOverrideForTab(tab_index, std::nullopt);
+	});
+	set_target_group->addAction(inherit_action);
+
+	QAction* close_action = menu->addAction(tr("Close"));
+	connect(close_action, &QAction::triggered, this, [this, tab_index]() {
+		if (!g_debugger_window)
+			return;
+
+		auto [widget, controller, view] = widgetsFromTabIndex(tab_index);
+		if (!widget)
+			return;
+
+		g_debugger_window->dockManager().destroyDebuggerWidget(widget->uniqueName());
+	});
+
+	menu->popup(mapToGlobal(pos));
+}
+
+void DockTabBar::setCpuOverrideForTab(int tab_index, std::optional<BreakPointCpu> cpu_override)
+{
+	if (!g_debugger_window)
+		return;
+
+	auto [widget, controller, view] = widgetsFromTabIndex(tab_index);
+	if (!widget)
+		return;
+
+	if (!widget->setCpuOverride(cpu_override))
+		g_debugger_window->dockManager().recreateDebuggerWidget(view->uniqueName());
+
+	g_debugger_window->dockManager().updateDockWidgetTitles();
+}
+
+DockTabBar::WidgetsFromTabIndexResult DockTabBar::widgetsFromTabIndex(int tab_index)
+{
+	KDDockWidgets::Core::TabBar* tab_bar_controller = asController<KDDockWidgets::Core::TabBar>();
+	if (!tab_bar_controller)
+		return {};
+
+	KDDockWidgets::Core::DockWidget* dock_controller = tab_bar_controller->dockWidgetAt(tab_index);
+	if (!dock_controller)
+		return {};
+
+	auto dock_view = static_cast<KDDockWidgets::QtWidgets::DockWidget*>(dock_controller->view());
+
+	DebuggerWidget* widget = qobject_cast<DebuggerWidget*>(dock_view->widget());
+	if (!widget)
+		return {};
+
+	return {widget, dock_controller, dock_view};
+}
+
+void DockTabBar::mouseDoubleClickEvent(QMouseEvent* event)
+{
+	if (g_debugger_window && !g_debugger_window->dockManager().isLayoutLocked())
+		KDDockWidgets::QtWidgets::TabBar::mouseDoubleClickEvent(event);
+	else
+		event->ignore();
+}

pcsx2-qt/Debugger/Docking/DockViews.h

@@ -0,0 +1,113 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "DebugTools/DebugInterface.h"
+
+#include <kddockwidgets/qtwidgets/ViewFactory.h>
+#include <kddockwidgets/qtwidgets/views/DockWidget.h>
+#include <kddockwidgets/qtwidgets/views/Stack.h>
+#include <kddockwidgets/qtwidgets/views/TitleBar.h>
+#include <kddockwidgets/qtwidgets/views/TabBar.h>
+
+class DebuggerWidget;
+class DockManager;
+
+class DockViewFactory : public KDDockWidgets::QtWidgets::ViewFactory
+{
+	Q_OBJECT
+
+public:
+	KDDockWidgets::Core::View* createDockWidget(
+		const QString& unique_name,
+		KDDockWidgets::DockWidgetOptions options = {},
+		KDDockWidgets::LayoutSaverOptions layout_saver_options = {},
+		Qt::WindowFlags window_flags = {}) const override;
+
+	KDDockWidgets::Core::View* createTitleBar(
+		KDDockWidgets::Core::TitleBar* controller,
+		KDDockWidgets::Core::View* parent) const override;
+
+	KDDockWidgets::Core::View* createStack(
+		KDDockWidgets::Core::Stack* controller,
+		KDDockWidgets::Core::View* parent) const override;
+
+	KDDockWidgets::Core::View* createTabBar(
+		KDDockWidgets::Core::TabBar* tabBar,
+		KDDockWidgets::Core::View* parent) const override;
+
+	KDDockWidgets::Core::ClassicIndicatorWindowViewInterface* createClassicIndicatorWindow(
+		KDDockWidgets::Core::ClassicDropIndicatorOverlay* classic_indicators,
+		KDDockWidgets::Core::View* parent) const override;
+
+	KDDockWidgets::Core::ClassicIndicatorWindowViewInterface* createFallbackClassicIndicatorWindow(
+		KDDockWidgets::Core::ClassicDropIndicatorOverlay* classic_indicators,
+		KDDockWidgets::Core::View* parent) const;
+
+	KDDockWidgets::Core::View* createSegmentedDropIndicatorOverlayView(
+		KDDockWidgets::Core::SegmentedDropIndicatorOverlay* controller,
+		KDDockWidgets::Core::View* parent) const override;
+};
+
+class DockWidget : public KDDockWidgets::QtWidgets::DockWidget
+{
+	Q_OBJECT
+
+public:
+	DockWidget(
+		const QString& unique_name,
+		KDDockWidgets::DockWidgetOptions options,
+		KDDockWidgets::LayoutSaverOptions layout_saver_options,
+		Qt::WindowFlags window_flags);
+
+protected:
+	void openStateChanged(bool open);
+};
+
+class DockTitleBar : public KDDockWidgets::QtWidgets::TitleBar
+{
+	Q_OBJECT
+
+public:
+	DockTitleBar(KDDockWidgets::Core::TitleBar* controller, KDDockWidgets::Core::View* parent = nullptr);
+
+protected:
+	void mouseDoubleClickEvent(QMouseEvent* event) override;
+};
+
+class DockStack : public KDDockWidgets::QtWidgets::Stack
+{
+	Q_OBJECT
+
+public:
+	DockStack(KDDockWidgets::Core::Stack* controller, QWidget* parent = nullptr);
+
+	void init() override;
+
+protected:
+	void mouseDoubleClickEvent(QMouseEvent* event) override;
+};
+
+class DockTabBar : public KDDockWidgets::QtWidgets::TabBar
+{
+	Q_OBJECT
+
+public:
+	DockTabBar(KDDockWidgets::Core::TabBar* controller, QWidget* parent = nullptr);
+
+protected:
+	void openContextMenu(QPoint pos);
+
+	struct WidgetsFromTabIndexResult
+	{
+		DebuggerWidget* debugger_widget = nullptr;
+		KDDockWidgets::Core::DockWidget* controller = nullptr;
+		KDDockWidgets::QtWidgets::DockWidget* view = nullptr;
+	};
+
+	void setCpuOverrideForTab(int tab_index, std::optional<BreakPointCpu> cpu_override);
+	WidgetsFromTabIndexResult widgetsFromTabIndex(int tab_index);
+
+	void mouseDoubleClickEvent(QMouseEvent* event) override;
+};

pcsx2-qt/Debugger/Docking/DropIndicators.cpp

@@ -0,0 +1,571 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "DropIndicators.h"
+
+#include "QtUtils.h"
+#include "Debugger/Docking/DockViews.h"
+
+#include "common/Assertions.h"
+
+#include <kddockwidgets/Config.h>
+#include <kddockwidgets/core/Group.h>
+#include <kddockwidgets/core/indicators/SegmentedDropIndicatorOverlay.h>
+#include <kddockwidgets/qtwidgets/ViewFactory.h>
+
+#include <QtGui/QPainter>
+
+static std::pair<QColor, QColor> pickNiceColours(const QPalette& palette, bool hovered)
+{
+	QColor fill = palette.highlight().color();
+	QColor outline = palette.highlight().color();
+
+	if (QtUtils::IsLightTheme(palette))
+	{
+		fill = fill.darker(200);
+		outline = outline.darker(200);
+	}
+	else
+	{
+		fill = fill.lighter(200);
+		outline = outline.lighter(200);
+	}
+
+	fill.setAlpha(200);
+	outline.setAlpha(255);
+
+	if (!hovered)
+	{
+		fill.setAlpha(fill.alpha() / 2);
+		outline.setAlpha(outline.alpha() / 2);
+	}
+
+	return {fill, outline};
+}
+
+// *****************************************************************************
+
+DockDropIndicatorProxy::DockDropIndicatorProxy(KDDockWidgets::Core::ClassicDropIndicatorOverlay* classic_indicators)
+	: m_classic_indicators(classic_indicators)
+{
+	recreateWindowIfNecessary();
+}
+
+DockDropIndicatorProxy::~DockDropIndicatorProxy()
+{
+	delete m_window;
+	delete m_fallback_window;
+}
+
+void DockDropIndicatorProxy::setObjectName(const QString& name)
+{
+	window()->setObjectName(name);
+}
+
+KDDockWidgets::DropLocation DockDropIndicatorProxy::hover(QPoint globalPos)
+{
+	return window()->hover(globalPos);
+}
+
+QPoint DockDropIndicatorProxy::posForIndicator(KDDockWidgets::DropLocation loc) const
+{
+	return window()->posForIndicator(loc);
+}
+
+void DockDropIndicatorProxy::updatePositions()
+{
+	// Check if a compositor is running whenever a drag starts.
+	recreateWindowIfNecessary();
+
+	window()->updatePositions();
+}
+
+void DockDropIndicatorProxy::raise()
+{
+	window()->raise();
+}
+
+void DockDropIndicatorProxy::setVisible(bool visible)
+{
+	window()->setVisible(visible);
+}
+
+void DockDropIndicatorProxy::resize(QSize size)
+{
+	window()->resize(size);
+}
+
+void DockDropIndicatorProxy::setGeometry(QRect rect)
+{
+	window()->setGeometry(rect);
+}
+
+bool DockDropIndicatorProxy::isWindow() const
+{
+	return window()->isWindow();
+}
+
+void DockDropIndicatorProxy::updateIndicatorVisibility()
+{
+	window()->updateIndicatorVisibility();
+}
+
+KDDockWidgets::Core::ClassicIndicatorWindowViewInterface* DockDropIndicatorProxy::window()
+{
+	if (!m_supports_compositing)
+	{
+		pxAssert(m_fallback_window);
+		return m_fallback_window;
+	}
+
+	pxAssert(m_window);
+	return m_window;
+}
+
+const KDDockWidgets::Core::ClassicIndicatorWindowViewInterface* DockDropIndicatorProxy::window() const
+{
+	if (!m_supports_compositing)
+	{
+		pxAssert(m_fallback_window);
+		return m_fallback_window;
+	}
+
+	pxAssert(m_window);
+	return m_window;
+}
+
+void DockDropIndicatorProxy::recreateWindowIfNecessary()
+{
+	bool supports_compositing = QtUtils::IsCompositorManagerRunning();
+	if (supports_compositing == m_supports_compositing && (m_window || m_fallback_window))
+		return;
+
+	m_supports_compositing = supports_compositing;
+
+	DockViewFactory* factory = static_cast<DockViewFactory*>(KDDockWidgets::Config::self().viewFactory());
+
+	if (supports_compositing)
+	{
+		if (!m_window)
+			m_window = new DockDropIndicatorWindow(m_classic_indicators);
+
+		QWidget* old_window = dynamic_cast<QWidget*>(m_fallback_window);
+		if (old_window)
+		{
+			m_window->setObjectName(old_window->objectName());
+			m_window->setVisible(old_window->isVisible());
+			m_window->setGeometry(old_window->geometry());
+		}
+
+		delete m_fallback_window;
+		m_fallback_window = nullptr;
+	}
+	else
+	{
+		if (!m_fallback_window)
+			m_fallback_window = factory->createFallbackClassicIndicatorWindow(m_classic_indicators, nullptr);
+
+		QWidget* old_window = dynamic_cast<QWidget*>(m_window);
+		if (old_window)
+		{
+			m_window->setObjectName(old_window->objectName());
+			m_window->setVisible(old_window->isVisible());
+			m_window->setGeometry(old_window->geometry());
+		}
+
+		delete m_window;
+		m_window = nullptr;
+	}
+}
+
+// *****************************************************************************
+
+static const constexpr int IND_LEFT = 0;
+static const constexpr int IND_TOP = 1;
+static const constexpr int IND_RIGHT = 2;
+static const constexpr int IND_BOTTOM = 3;
+static const constexpr int IND_CENTER = 4;
+static const constexpr int IND_OUTER_LEFT = 5;
+static const constexpr int IND_OUTER_TOP = 6;
+static const constexpr int IND_OUTER_RIGHT = 7;
+static const constexpr int IND_OUTER_BOTTOM = 8;
+
+static const constexpr int INDICATOR_SIZE = 40;
+static const constexpr int INDICATOR_MARGIN = 10;
+
+static bool isWayland()
+{
+	return KDDockWidgets::Core::Platform::instance()->displayType() ==
+		   KDDockWidgets::Core::Platform::DisplayType::Wayland;
+}
+
+static QWidget* parentForIndicatorWindow(KDDockWidgets::Core::ClassicDropIndicatorOverlay* classic_indicators)
+{
+	if (isWayland())
+		return KDDockWidgets::QtCommon::View_qt::asQWidget(classic_indicators->view());
+
+	return nullptr;
+}
+
+static Qt::WindowFlags flagsForIndicatorWindow()
+{
+	if (isWayland())
+		return Qt::Widget;
+
+	return Qt::Tool | Qt::BypassWindowManagerHint;
+}
+
+DockDropIndicatorWindow::DockDropIndicatorWindow(
+	KDDockWidgets::Core::ClassicDropIndicatorOverlay* classic_indicators)
+	: QWidget(parentForIndicatorWindow(classic_indicators), flagsForIndicatorWindow())
+	, m_classic_indicators(classic_indicators)
+	, m_indicators({
+		  /* [IND_LEFT] = */ new DockDropIndicator(KDDockWidgets::DropLocation_Left, this),
+		  /* [IND_TOP] = */ new DockDropIndicator(KDDockWidgets::DropLocation_Top, this),
+		  /* [IND_RIGHT] = */ new DockDropIndicator(KDDockWidgets::DropLocation_Right, this),
+		  /* [IND_BOTTOM] = */ new DockDropIndicator(KDDockWidgets::DropLocation_Bottom, this),
+		  /* [IND_CENTER] = */ new DockDropIndicator(KDDockWidgets::DropLocation_Center, this),
+		  /* [IND_OUTER_LEFT] = */ new DockDropIndicator(KDDockWidgets::DropLocation_OutterLeft, this),
+		  /* [IND_OUTER_TOP] = */ new DockDropIndicator(KDDockWidgets::DropLocation_OutterTop, this),
+		  /* [IND_OUTER_RIGHT] = */ new DockDropIndicator(KDDockWidgets::DropLocation_OutterRight, this),
+		  /* [IND_OUTER_BOTTOM] = */ new DockDropIndicator(KDDockWidgets::DropLocation_OutterBottom, this),
+	  })
+{
+	setWindowFlag(Qt::FramelessWindowHint, true);
+
+	if (KDDockWidgets::Config::self().flags() & KDDockWidgets::Config::Flag_KeepAboveIfNotUtilityWindow)
+		setWindowFlag(Qt::WindowStaysOnTopHint, true);
+
+	setAttribute(Qt::WA_TranslucentBackground);
+}
+
+void DockDropIndicatorWindow::setObjectName(const QString& name)
+{
+	QWidget::setObjectName(name);
+}
+
+KDDockWidgets::DropLocation DockDropIndicatorWindow::hover(QPoint globalPos)
+{
+	KDDockWidgets::DropLocation result = KDDockWidgets::DropLocation_None;
+
+	for (DockDropIndicator* indicator : m_indicators)
+	{
+		if (indicator->isVisible())
+		{
+			bool hovered = indicator->rect().contains(indicator->mapFromGlobal(globalPos));
+			if (hovered != indicator->hovered)
+			{
+				indicator->hovered = hovered;
+				indicator->update();
+			}
+
+			if (hovered)
+				result = indicator->location;
+		}
+	}
+
+	return result;
+}
+
+QPoint DockDropIndicatorWindow::posForIndicator(KDDockWidgets::DropLocation loc) const
+{
+	for (DockDropIndicator* indicator : m_indicators)
+		if (indicator->location == loc)
+			return indicator->mapToGlobal(indicator->rect().center());
+
+	return QPoint();
+}
+
+void DockDropIndicatorWindow::updatePositions()
+{
+	DockDropIndicator* left = m_indicators[IND_LEFT];
+	DockDropIndicator* top = m_indicators[IND_TOP];
+	DockDropIndicator* right = m_indicators[IND_RIGHT];
+	DockDropIndicator* bottom = m_indicators[IND_BOTTOM];
+	DockDropIndicator* center = m_indicators[IND_CENTER];
+	DockDropIndicator* outer_left = m_indicators[IND_OUTER_LEFT];
+	DockDropIndicator* outer_top = m_indicators[IND_OUTER_TOP];
+	DockDropIndicator* outer_right = m_indicators[IND_OUTER_RIGHT];
+	DockDropIndicator* outer_bottom = m_indicators[IND_OUTER_BOTTOM];
+
+	QRect r = rect();
+	int half_indicator_width = INDICATOR_SIZE / 2;
+
+	outer_left->move(r.x() + INDICATOR_MARGIN, r.center().y() - half_indicator_width);
+	outer_bottom->move(r.center().x() - half_indicator_width, r.y() + height() - INDICATOR_SIZE - INDICATOR_MARGIN);
+	outer_top->move(r.center().x() - half_indicator_width, r.y() + INDICATOR_MARGIN);
+	outer_right->move(r.x() + width() - INDICATOR_SIZE - INDICATOR_MARGIN, r.center().y() - half_indicator_width);
+
+	KDDockWidgets::Core::Group* hovered_group = m_classic_indicators->hoveredGroup();
+	if (hovered_group)
+	{
+		QRect hoveredRect = hovered_group->view()->geometry();
+		center->move(r.topLeft() + hoveredRect.center() - QPoint(half_indicator_width, half_indicator_width));
+		top->move(center->pos() - QPoint(0, INDICATOR_SIZE + INDICATOR_MARGIN));
+		right->move(center->pos() + QPoint(INDICATOR_SIZE + INDICATOR_MARGIN, 0));
+		bottom->move(center->pos() + QPoint(0, INDICATOR_SIZE + INDICATOR_MARGIN));
+		left->move(center->pos() - QPoint(INDICATOR_SIZE + INDICATOR_MARGIN, 0));
+	}
+}
+
+void DockDropIndicatorWindow::raise()
+{
+	QWidget::raise();
+}
+
+void DockDropIndicatorWindow::setVisible(bool is)
+{
+	QWidget::setVisible(is);
+}
+
+void DockDropIndicatorWindow::resize(QSize size)
+{
+	QWidget::resize(size);
+}
+
+void DockDropIndicatorWindow::setGeometry(QRect rect)
+{
+	QWidget::setGeometry(rect);
+}
+
+bool DockDropIndicatorWindow::isWindow() const
+{
+	return QWidget::isWindow();
+}
+
+void DockDropIndicatorWindow::updateIndicatorVisibility()
+{
+	for (DockDropIndicator* indicator : m_indicators)
+		indicator->setVisible(m_classic_indicators->dropIndicatorVisible(indicator->location));
+}
+
+void DockDropIndicatorWindow::resizeEvent(QResizeEvent* ev)
+{
+	QWidget::resizeEvent(ev);
+	updatePositions();
+}
+
+// *****************************************************************************
+
+DockDropIndicator::DockDropIndicator(KDDockWidgets::DropLocation loc, QWidget* parent)
+	: QWidget(parent)
+	, location(loc)
+{
+	setFixedSize(INDICATOR_SIZE, INDICATOR_SIZE);
+	setVisible(true);
+}
+
+void DockDropIndicator::paintEvent(QPaintEvent* event)
+{
+	QPainter painter(this);
+	painter.setRenderHint(QPainter::Antialiasing, true);
+
+	auto [fill, outline] = pickNiceColours(palette(), hovered);
+
+	painter.setBrush(fill);
+
+	QPen pen;
+	pen.setColor(outline);
+	pen.setWidth(2);
+	painter.setPen(pen);
+
+	painter.drawRect(rect());
+
+	QRectF rf = rect().toRectF();
+
+	QRectF outer = rf.marginsRemoved(QMarginsF(4.f, 4.f, 4.f, 4.f));
+	QPointF icon_position;
+	switch (location)
+	{
+		case KDDockWidgets::DropLocation_Left:
+		case KDDockWidgets::DropLocation_OutterLeft:
+			outer = outer.marginsRemoved(QMarginsF(0.f, 0.f, outer.width() / 2.f, 0.f));
+			icon_position = rf.marginsRemoved(QMarginsF(rf.width() / 2.f, 0.f, 0.f, 0.f)).center();
+			break;
+		case KDDockWidgets::DropLocation_Top:
+		case KDDockWidgets::DropLocation_OutterTop:
+			outer = outer.marginsRemoved(QMarginsF(0.f, 0.f, 0.f, outer.width() / 2.f));
+			icon_position = rf.marginsRemoved(QMarginsF(0.f, rf.width() / 2.f, 0.f, 0.f)).center();
+			break;
+		case KDDockWidgets::DropLocation_Right:
+		case KDDockWidgets::DropLocation_OutterRight:
+			outer = outer.marginsRemoved(QMarginsF(outer.width() / 2.f, 0.f, 0.f, 0.f));
+			icon_position = rf.marginsRemoved(QMarginsF(0.f, 0.f, rf.width() / 2.f, 0.f)).center();
+			break;
+		case KDDockWidgets::DropLocation_Bottom:
+		case KDDockWidgets::DropLocation_OutterBottom:
+			outer = outer.marginsRemoved(QMarginsF(0.f, outer.width() / 2.f, 0.f, 0.f));
+			icon_position = rf.marginsRemoved(QMarginsF(0.f, 0.f, 0.f, rf.width() / 2.f)).center();
+			break;
+		default:
+		{
+		}
+	}
+
+	painter.drawRect(outer);
+
+	float arrow_size = INDICATOR_SIZE / 10.f;
+
+	QPolygonF arrow;
+	switch (location)
+	{
+		case KDDockWidgets::DropLocation_Left:
+			arrow = {
+				icon_position + QPointF(-arrow_size, 0.f),
+				icon_position + QPointF(arrow_size, arrow_size * 2.f),
+				icon_position + QPointF(arrow_size, -arrow_size * 2.f),
+			};
+			break;
+		case KDDockWidgets::DropLocation_Top:
+			arrow = {
+				icon_position + QPointF(0.f, -arrow_size),
+				icon_position + QPointF(arrow_size * 2.f, arrow_size),
+				icon_position + QPointF(-arrow_size * 2.f, arrow_size),
+			};
+			break;
+		case KDDockWidgets::DropLocation_Right:
+			arrow = {
+				icon_position + QPointF(arrow_size, 0.f),
+				icon_position + QPointF(-arrow_size, arrow_size * 2.f),
+				icon_position + QPointF(-arrow_size, -arrow_size * 2.f),
+			};
+			break;
+		case KDDockWidgets::DropLocation_Bottom:
+			arrow = {
+				icon_position + QPointF(0.f, arrow_size),
+				icon_position + QPointF(arrow_size * 2.f, -arrow_size),
+				icon_position + QPointF(-arrow_size * 2.f, -arrow_size),
+			};
+			break;
+		default:
+		{
+		}
+	}
+
+	painter.drawPolygon(arrow);
+}
+
+// *****************************************************************************
+
+std::string DockSegmentedDropIndicatorOverlay::s_indicator_style;
+
+DockSegmentedDropIndicatorOverlay::DockSegmentedDropIndicatorOverlay(
+	KDDockWidgets::Core::SegmentedDropIndicatorOverlay* controller, QWidget* parent)
+	: KDDockWidgets::QtWidgets::SegmentedDropIndicatorOverlay(controller, parent)
+{
+}
+
+void DockSegmentedDropIndicatorOverlay::paintEvent(QPaintEvent* event)
+{
+	if (s_indicator_style == "Minimalistic")
+		drawMinimalistic();
+	else
+		drawSegmented();
+}
+
+void DockSegmentedDropIndicatorOverlay::drawSegmented()
+{
+	QPainter painter(this);
+	painter.setRenderHint(QPainter::Antialiasing, true);
+
+	KDDockWidgets::Core::SegmentedDropIndicatorOverlay* controller =
+		asController<KDDockWidgets::Core::SegmentedDropIndicatorOverlay>();
+
+	const std::unordered_map<KDDockWidgets::DropLocation, QPolygon>& segments = controller->segments();
+
+	for (KDDockWidgets::DropLocation location :
+		{KDDockWidgets::DropLocation_Left,
+			KDDockWidgets::DropLocation_Top,
+			KDDockWidgets::DropLocation_Right,
+			KDDockWidgets::DropLocation_Bottom,
+			KDDockWidgets::DropLocation_Center,
+			KDDockWidgets::DropLocation_OutterLeft,
+			KDDockWidgets::DropLocation_OutterTop,
+			KDDockWidgets::DropLocation_OutterRight,
+			KDDockWidgets::DropLocation_OutterBottom})
+	{
+		auto segment = segments.find(location);
+		if (segment == segments.end() || segment->second.size() < 2)
+			continue;
+
+		bool hovered = segment->second.containsPoint(controller->hoveredPt(), Qt::OddEvenFill);
+		auto [fill, outline] = pickNiceColours(palette(), hovered);
+
+		painter.setBrush(fill);
+
+		QPen pen(outline);
+		pen.setWidth(1);
+		painter.setPen(pen);
+
+		int margin = KDDockWidgets::Core::SegmentedDropIndicatorOverlay::s_segmentGirth * 2;
+
+		// Make sure the rectangles don't intersect with each other.
+		QRect rect;
+		switch (location)
+		{
+			case KDDockWidgets::DropLocation_Top:
+			case KDDockWidgets::DropLocation_Bottom:
+			case KDDockWidgets::DropLocation_OutterTop:
+			case KDDockWidgets::DropLocation_OutterBottom:
+			{
+				rect = segment->second.boundingRect().marginsRemoved(QMargins(margin, 4, margin, 4));
+				break;
+			}
+			case KDDockWidgets::DropLocation_Left:
+			case KDDockWidgets::DropLocation_Right:
+			case KDDockWidgets::DropLocation_OutterLeft:
+			case KDDockWidgets::DropLocation_OutterRight:
+			{
+				rect = segment->second.boundingRect().marginsRemoved(QMargins(4, margin, 4, margin));
+				break;
+			}
+			default:
+			{
+				rect = segment->second.boundingRect().marginsRemoved(QMargins(4, 4, 4, 4));
+				break;
+			}
+		}
+
+		painter.drawRect(rect);
+	}
+}
+
+void DockSegmentedDropIndicatorOverlay::drawMinimalistic()
+{
+	QPainter painter(this);
+	painter.setRenderHint(QPainter::Antialiasing, true);
+
+	KDDockWidgets::Core::SegmentedDropIndicatorOverlay* controller =
+		asController<KDDockWidgets::Core::SegmentedDropIndicatorOverlay>();
+
+	const std::unordered_map<KDDockWidgets::DropLocation, QPolygon>& segments = controller->segments();
+
+	for (KDDockWidgets::DropLocation location :
+		{KDDockWidgets::DropLocation_Left,
+			KDDockWidgets::DropLocation_Top,
+			KDDockWidgets::DropLocation_Right,
+			KDDockWidgets::DropLocation_Bottom,
+			KDDockWidgets::DropLocation_Center,
+			KDDockWidgets::DropLocation_OutterLeft,
+			KDDockWidgets::DropLocation_OutterTop,
+			KDDockWidgets::DropLocation_OutterRight,
+			KDDockWidgets::DropLocation_OutterBottom})
+	{
+		auto segment = segments.find(location);
+		if (segment == segments.end() || segment->second.size() < 2)
+			continue;
+
+		if (!segment->second.containsPoint(controller->hoveredPt(), Qt::OddEvenFill))
+			continue;
+
+		auto [fill, outline] = pickNiceColours(palette(), true);
+
+		painter.setBrush(fill);
+
+		QPen pen(outline);
+		pen.setWidth(1);
+		painter.setPen(pen);
+
+		painter.drawRect(segment->second.boundingRect());
+	}
+}

pcsx2-qt/Debugger/Docking/DropIndicators.h

@@ -0,0 +1,108 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include <kddockwidgets/core/indicators/ClassicDropIndicatorOverlay.h>
+#include <kddockwidgets/core/views/ClassicIndicatorWindowViewInterface.h>
+#include <kddockwidgets/qtwidgets/views/SegmentedDropIndicatorOverlay.h>
+
+class DockDropIndicator;
+
+// This switches between our custom drop indicators and KDDockWidget's built-in
+// ones on the fly depending on whether or not we have a windowing system that
+// supports compositing.
+class DockDropIndicatorProxy : public KDDockWidgets::Core::ClassicIndicatorWindowViewInterface
+{
+public:
+	DockDropIndicatorProxy(KDDockWidgets::Core::ClassicDropIndicatorOverlay* classic_indicators);
+	~DockDropIndicatorProxy();
+
+	void setObjectName(const QString&) override;
+	KDDockWidgets::DropLocation hover(QPoint globalPos) override;
+	QPoint posForIndicator(KDDockWidgets::DropLocation) const override;
+	void updatePositions() override;
+	void raise() override;
+	void setVisible(bool visible) override;
+	void resize(QSize size) override;
+	void setGeometry(QRect rect) override;
+	bool isWindow() const override;
+	void updateIndicatorVisibility() override;
+
+private:
+	KDDockWidgets::Core::ClassicIndicatorWindowViewInterface* window();
+	const KDDockWidgets::Core::ClassicIndicatorWindowViewInterface* window() const;
+
+	void recreateWindowIfNecessary();
+
+	KDDockWidgets::Core::ClassicIndicatorWindowViewInterface* m_window = nullptr;
+	KDDockWidgets::Core::ClassicIndicatorWindowViewInterface* m_fallback_window = nullptr;
+
+	bool m_supports_compositing = true;
+	KDDockWidgets::Core::ClassicDropIndicatorOverlay* m_classic_indicators = nullptr;
+};
+
+// Our default custom drop indicator implementation. This fits in with PCSX2's
+// themes a lot better, but doesn't support windowing systems where compositing
+// is disabled (it would show a black screen).
+class DockDropIndicatorWindow : public QWidget, public KDDockWidgets::Core::ClassicIndicatorWindowViewInterface
+{
+	Q_OBJECT
+
+public:
+	DockDropIndicatorWindow(
+		KDDockWidgets::Core::ClassicDropIndicatorOverlay* classic_indicators);
+
+	void setObjectName(const QString& name) override;
+	KDDockWidgets::DropLocation hover(QPoint globalPos) override;
+	QPoint posForIndicator(KDDockWidgets::DropLocation loc) const override;
+	void updatePositions() override;
+	void raise() override;
+	void setVisible(bool visible) override;
+	void resize(QSize size) override;
+	void setGeometry(QRect rect) override;
+	bool isWindow() const override;
+	void updateIndicatorVisibility() override;
+
+protected:
+	void resizeEvent(QResizeEvent* ev) override;
+
+private:
+	KDDockWidgets::Core::ClassicDropIndicatorOverlay* m_classic_indicators;
+	std::vector<DockDropIndicator*> m_indicators;
+};
+
+class DockDropIndicator : public QWidget
+{
+	Q_OBJECT
+
+public:
+	DockDropIndicator(KDDockWidgets::DropLocation loc, QWidget* parent = nullptr);
+
+	KDDockWidgets::DropLocation location;
+	bool hovered = false;
+
+protected:
+	void paintEvent(QPaintEvent* event) override;
+};
+
+// An alternative drop indicator design that can be enabled from the settings
+// menu. For this one we don't need to worry about whether compositing is
+// supported since it doesn't create its own window.
+class DockSegmentedDropIndicatorOverlay : public KDDockWidgets::QtWidgets::SegmentedDropIndicatorOverlay
+{
+	Q_OBJECT
+
+public:
+	DockSegmentedDropIndicatorOverlay(
+		KDDockWidgets::Core::SegmentedDropIndicatorOverlay* controller, QWidget* parent = nullptr);
+
+	static std::string s_indicator_style;
+
+protected:
+	void paintEvent(QPaintEvent* event) override;
+
+private:
+	void drawSegmented();
+	void drawMinimalistic();
+};

pcsx2-qt/Debugger/Docking/LayoutEditorDialog.cpp

@@ -0,0 +1,107 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "LayoutEditorDialog.h"
+
+#include "Debugger/Docking/DockTables.h"
+
+#include <QtWidgets/QPushButton>
+
+Q_DECLARE_METATYPE(LayoutEditorDialog::InitialState);
+
+LayoutEditorDialog::LayoutEditorDialog(NameValidator name_validator, bool can_clone_current_layout, QWidget* parent)
+	: QDialog(parent)
+	, m_name_validator(name_validator)
+{
+	m_ui.setupUi(this);
+
+	setWindowTitle(tr("New Layout"));
+
+	setupInputWidgets(BREAKPOINT_EE, can_clone_current_layout);
+
+	onNameChanged();
+}
+
+LayoutEditorDialog::LayoutEditorDialog(
+	const QString& name, BreakPointCpu cpu, NameValidator name_validator, QWidget* parent)
+	: QDialog(parent)
+	, m_name_validator(name_validator)
+{
+	m_ui.setupUi(this);
+
+	setWindowTitle(tr("Edit Layout"));
+
+	m_ui.nameEditor->setText(name);
+
+	setupInputWidgets(cpu, {});
+
+	m_ui.initialStateLabel->hide();
+	m_ui.initialStateEditor->hide();
+
+	onNameChanged();
+}
+
+QString LayoutEditorDialog::name()
+{
+	return m_ui.nameEditor->text();
+}
+
+BreakPointCpu LayoutEditorDialog::cpu()
+{
+	return static_cast<BreakPointCpu>(m_ui.cpuEditor->currentData().toInt());
+}
+
+LayoutEditorDialog::InitialState LayoutEditorDialog::initialState()
+{
+	return m_ui.initialStateEditor->currentData().value<InitialState>();
+}
+
+void LayoutEditorDialog::setupInputWidgets(BreakPointCpu cpu, bool can_clone_current_layout)
+{
+	connect(m_ui.nameEditor, &QLineEdit::textChanged, this, &LayoutEditorDialog::onNameChanged);
+
+	for (BreakPointCpu cpu : DEBUG_CPUS)
+	{
+		const char* long_cpu_name = DebugInterface::longCpuName(cpu);
+		const char* cpu_name = DebugInterface::cpuName(cpu);
+		QString text = QString("%1 (%2)").arg(long_cpu_name).arg(cpu_name);
+		m_ui.cpuEditor->addItem(text, cpu);
+	}
+
+	for (int i = 0; i < m_ui.cpuEditor->count(); i++)
+		if (m_ui.cpuEditor->itemData(i).toInt() == cpu)
+			m_ui.cpuEditor->setCurrentIndex(i);
+
+	for (size_t i = 0; i < DockTables::DEFAULT_DOCK_LAYOUTS.size(); i++)
+		m_ui.initialStateEditor->addItem(
+			tr("Create Default \"%1\" Layout").arg(tr(DockTables::DEFAULT_DOCK_LAYOUTS[i].name.c_str())),
+			QVariant::fromValue(InitialState(DEFAULT_LAYOUT, i)));
+
+	m_ui.initialStateEditor->addItem(tr("Create Blank Layout"), QVariant::fromValue(InitialState(BLANK_LAYOUT, 0)));
+
+	if (can_clone_current_layout)
+		m_ui.initialStateEditor->addItem(tr("Clone Current Layout"), QVariant::fromValue(InitialState(CLONE_LAYOUT, 0)));
+
+	m_ui.initialStateEditor->setCurrentIndex(0);
+}
+
+void LayoutEditorDialog::onNameChanged()
+{
+	QString error_message;
+
+	if (m_ui.nameEditor->text().isEmpty())
+	{
+		error_message = tr("Name is empty.");
+	}
+	else if (m_ui.nameEditor->text().size() > DockUtils::MAX_LAYOUT_NAME_SIZE)
+	{
+		error_message = tr("Name too long.");
+	}
+	else if (!m_name_validator(m_ui.nameEditor->text()))
+	{
+		error_message = tr("A layout with that name already exists.");
+	}
+
+	m_ui.buttonBox->button(QDialogButtonBox::Ok)->setEnabled(error_message.isEmpty());
+	m_ui.errorMessage->setText(error_message);
+}

pcsx2-qt/Debugger/Docking/LayoutEditorDialog.h

@@ -0,0 +1,45 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "ui_LayoutEditorDialog.h"
+
+#include "DebugTools/DebugInterface.h"
+
+#include <QtWidgets/QDialog>
+
+class LayoutEditorDialog : public QDialog
+{
+	Q_OBJECT
+
+public:
+	using NameValidator = std::function<bool(const QString&)>;
+
+	enum CreationMode
+	{
+		DEFAULT_LAYOUT,
+		BLANK_LAYOUT,
+		CLONE_LAYOUT,
+	};
+
+	// Bundles together a creation mode and inital state.
+	using InitialState = std::pair<CreationMode, size_t>;
+
+	// Create a "New Layout" dialog.
+	LayoutEditorDialog(NameValidator name_validator, bool can_clone_current_layout, QWidget* parent = nullptr);
+
+	// Create a "Edit Layout" dialog.
+	LayoutEditorDialog(const QString& name, BreakPointCpu cpu, NameValidator name_validator, QWidget* parent = nullptr);
+
+	QString name();
+	BreakPointCpu cpu();
+	InitialState initialState();
+
+private:
+	void setupInputWidgets(BreakPointCpu cpu, bool can_clone_current_layout);
+	void onNameChanged();
+
+	Ui::LayoutEditorDialog m_ui;
+	NameValidator m_name_validator;
+};

pcsx2-qt/Debugger/Docking/LayoutEditorDialog.ui

@@ -0,0 +1,115 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>LayoutEditorDialog</class>
+ <widget class="QDialog" name="LayoutEditorDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>150</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string/>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QFormLayout" name="formLayout">
+     <item row="0" column="0">
+      <widget class="QLabel" name="nameLabel">
+       <property name="text">
+        <string>Name</string>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="0">
+      <widget class="QLabel" name="cpuLabel">
+       <property name="text">
+        <string>Target</string>
+       </property>
+      </widget>
+     </item>
+     <item row="2" column="0">
+      <widget class="QLabel" name="initialStateLabel">
+       <property name="text">
+        <string>Initial State</string>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="1">
+      <widget class="QComboBox" name="cpuEditor"/>
+     </item>
+     <item row="0" column="1">
+      <widget class="QLineEdit" name="nameEditor"/>
+     </item>
+     <item row="2" column="1">
+      <widget class="QComboBox" name="initialStateEditor"/>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QLabel" name="errorMessage">
+       <property name="styleSheet">
+        <string notr="true">color: red</string>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+       <property name="wordWrap">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QDialogButtonBox" name="buttonBox">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="standardButtons">
+        <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>LayoutEditorDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>LayoutEditorDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

pcsx2-qt/Debugger/Docking/NoLayoutsWidget.cpp

@@ -0,0 +1,15 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "NoLayoutsWidget.h"
+
+NoLayoutsWidget::NoLayoutsWidget(QWidget* parent)
+	: QWidget(parent)
+{
+	m_ui.setupUi(this);
+}
+
+QPushButton* NoLayoutsWidget::createDefaultLayoutsButton()
+{
+	return m_ui.createDefaultLayoutsButton;
+}

pcsx2-qt/Debugger/Docking/NoLayoutsWidget.h

@@ -0,0 +1,21 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "ui_NoLayoutsWidget.h"
+
+#include <QtWidgets/QPushButton>
+
+class NoLayoutsWidget : public QWidget
+{
+	Q_OBJECT
+
+public:
+	NoLayoutsWidget(QWidget* parent = nullptr);
+
+	QPushButton* createDefaultLayoutsButton();
+
+private:
+	Ui::NoLayoutsWidget m_ui;
+};

pcsx2-qt/Debugger/Docking/NoLayoutsWidget.ui

@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>NoLayoutsWidget</class>
+ <widget class="QWidget" name="NoLayoutsWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <property name="autoFillBackground">
+   <bool>false</bool>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <spacer name="topSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>There are no layouts.</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignCenter</set>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <spacer name="leftSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="createDefaultLayoutsButton">
+       <property name="text">
+        <string>Create Default Layouts</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="rightSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <spacer name="bottomSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

pcsx2-qt/Debugger/JsonValueWrapper.h

@@ -0,0 +1,39 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "rapidjson/document.h"
+
+// Container for a JSON value. This exists solely so that we can forward declare
+// it to avoid pulling in rapidjson for the entire debugger.
+class JsonValueWrapper
+{
+public:
+	JsonValueWrapper(
+		rapidjson::Value& value,
+		rapidjson::MemoryPoolAllocator<rapidjson::CrtAllocator>& allocator)
+		: m_value(value)
+		, m_allocator(allocator)
+	{
+	}
+
+	rapidjson::Value& value()
+	{
+		return m_value;
+	}
+
+	const rapidjson::Value& value() const
+	{
+		return m_value;
+	}
+
+	rapidjson::MemoryPoolAllocator<rapidjson::CrtAllocator>& allocator()
+	{
+		return m_allocator;
+	}
+
+private:
+	rapidjson::Value& m_value;
+	rapidjson::MemoryPoolAllocator<rapidjson::CrtAllocator>& m_allocator;
+};

pcsx2-qt/Debugger/Memory/MemorySearchWidget.cpp

@@ -23,8 +23,8 @@ using SearchResult = MemorySearchWidget::SearchResult;
 
 using namespace QtUtils;
 
-MemorySearchWidget::MemorySearchWidget(QWidget* parent)
-    : QWidget(parent)
+MemorySearchWidget::MemorySearchWidget(const DebuggerWidgetParameters& parameters)
+	: DebuggerWidget(parameters, MONOSPACE_FONT)
 {
 	m_ui.setupUi(this);
 	this->repaint();
@@ -32,10 +32,8 @@ MemorySearchWidget::MemorySearchWidget(QWidget* parent)
 	m_ui.listSearchResults->setContextMenuPolicy(Qt::CustomContextMenu);
 	connect(m_ui.btnSearch, &QPushButton::clicked, this, &MemorySearchWidget::onSearchButtonClicked);
 	connect(m_ui.btnFilterSearch, &QPushButton::clicked, this, &MemorySearchWidget::onSearchButtonClicked);
-	connect(m_ui.listSearchResults, &QListWidget::itemDoubleClicked, [this](QListWidgetItem* item)
-	{
-		emit switchToMemoryViewTab();
-		emit goToAddressInMemoryView(item->text().toUInt(nullptr, 16));
+	connect(m_ui.listSearchResults, &QListWidget::itemDoubleClicked, [](QListWidgetItem* item) {
+		goToInMemoryView(item->text().toUInt(nullptr, 16), true);
 	});
 	connect(m_ui.listSearchResults->verticalScrollBar(), &QScrollBar::valueChanged, this, &MemorySearchWidget::onSearchResultsListScroll);
 	connect(m_ui.listSearchResults, &QListView::customContextMenuRequested, this, &MemorySearchWidget::onListSearchResultsContextMenu);
@@ -46,21 +44,11 @@ MemorySearchWidget::MemorySearchWidget(QWidget* parent)
 	m_resultsLoadTimer.setInterval(100);
 	m_resultsLoadTimer.setSingleShot(true);
 	connect(&m_resultsLoadTimer, &QTimer::timeout, this, &MemorySearchWidget::loadSearchResults);
-}
 
-void MemorySearchWidget::setCpu(DebugInterface* cpu)
-{
-	m_cpu = cpu;
-}
-
-void MemorySearchWidget::contextSearchResultGoToDisassembly()
-{
-	const QItemSelectionModel* selModel = m_ui.listSearchResults->selectionModel();
-	if (!selModel->hasSelection())
-		return;
-
-	u32 selectedAddress = m_ui.listSearchResults->selectedItems().first()->data(Qt::UserRole).toUInt();
-	emit goToAddressInDisassemblyView(selectedAddress);
+	receiveEvent<DebuggerEvents::Refresh>([this](const DebuggerEvents::Refresh& event) -> bool {
+		update();
+		return true;
+	});
 }
 
 void MemorySearchWidget::contextRemoveSearchResult()
@@ -92,44 +80,47 @@ void MemorySearchWidget::contextCopySearchResultAddress()
 
 void MemorySearchWidget::onListSearchResultsContextMenu(QPoint pos)
 {
-	QMenu* contextMenu = new QMenu(tr("Search Results List Context Menu"), m_ui.listSearchResults);
-	const QItemSelectionModel* selModel = m_ui.listSearchResults->selectionModel();
-	const auto listSearchResults = m_ui.listSearchResults;
+	const QItemSelectionModel* selection_model = m_ui.listSearchResults->selectionModel();
+	const QListWidget* list_search_results = m_ui.listSearchResults;
 
-	if (selModel->hasSelection())
+	QMenu* menu = new QMenu(this);
+	menu->setAttribute(Qt::WA_DeleteOnClose);
+
+	if (selection_model->hasSelection())
 	{
-		QAction* copyAddressAction = new QAction(tr("Copy Address"), m_ui.listSearchResults);
-		connect(copyAddressAction, &QAction::triggered, this, &MemorySearchWidget::contextCopySearchResultAddress);
-		contextMenu->addAction(copyAddressAction);
+		connect(menu->addAction(tr("Copy Address")), &QAction::triggered,
+			this, &MemorySearchWidget::contextCopySearchResultAddress);
 
-		QAction* goToDisassemblyAction = new QAction(tr("Go to in Disassembly"), m_ui.listSearchResults);
-		connect(goToDisassemblyAction, &QAction::triggered, this, &MemorySearchWidget::contextSearchResultGoToDisassembly);
-		contextMenu->addAction(goToDisassemblyAction);
-
-		QAction* addToSavedAddressesAction = new QAction(tr("Add to Saved Memory Addresses"), m_ui.listSearchResults);
-		connect(addToSavedAddressesAction, &QAction::triggered, this, [this, listSearchResults]() {
-			u32 selectedAddress = listSearchResults->selectedItems().first()->data(Qt::UserRole).toUInt();
-			emit addAddressToSavedAddressesList(selectedAddress);
+		createEventActions<DebuggerEvents::GoToAddress>(menu, [list_search_results]() {
+			u32 selected_address = list_search_results->selectedItems().first()->data(Qt::UserRole).toUInt();
+			DebuggerEvents::GoToAddress event;
+			event.address = selected_address;
+			return std::optional(event);
 		});
-		contextMenu->addAction(addToSavedAddressesAction);
 
-		QAction* removeResultAction = new QAction(tr("Remove Result"), m_ui.listSearchResults);
-		connect(removeResultAction, &QAction::triggered, this, &MemorySearchWidget::contextRemoveSearchResult);
-		contextMenu->addAction(removeResultAction);
+		createEventActions<DebuggerEvents::AddToSavedAddresses>(menu, [list_search_results]() {
+			u32 selected_address = list_search_results->selectedItems().first()->data(Qt::UserRole).toUInt();
+			DebuggerEvents::AddToSavedAddresses event;
+			event.address = selected_address;
+			return std::optional(event);
+		});
+
+		connect(menu->addAction(tr("Remove Result")), &QAction::triggered,
+			this, &MemorySearchWidget::contextRemoveSearchResult);
 	}
 
-	contextMenu->popup(m_ui.listSearchResults->viewport()->mapToGlobal(pos));
+	menu->popup(m_ui.listSearchResults->viewport()->mapToGlobal(pos));
 }
 
-template<typename T>
+template <typename T>
 T readValueAtAddress(DebugInterface* cpu, u32 addr);
-template<>
+template <>
 float readValueAtAddress<float>(DebugInterface* cpu, u32 addr)
 {
 	return std::bit_cast<float>(cpu->read32(addr));
 }
 
-template<>
+template <>
 double readValueAtAddress<double>(DebugInterface* cpu, u32 addr)
 {
 	return std::bit_cast<double>(cpu->read64(addr));
@@ -230,7 +221,7 @@ template <typename T>
 bool handleSearchComparison(SearchComparison searchComparison, u32 searchAddress, const SearchResult* priorResult, T searchValue, T readValue)
 {
 	const bool isNotOperator = searchComparison == SearchComparison::NotEquals || searchComparison == SearchComparison::NotChanged;
-	switch (searchComparison) 
+	switch (searchComparison)
 	{
 		case SearchComparison::Equals:
 		case SearchComparison::NotEquals:
@@ -302,7 +293,7 @@ void searchWorker(DebugInterface* cpu, std::vector<SearchResult>& searchResults,
 		{
 			if (!cpu->isValidAddress(addr))
 				continue;
-			
+
 			T readValue = readValueAtAddress<T>(cpu, addr);
 			if (handleSearchComparison(searchComparison, addr, nullptr, searchValue, readValue))
 			{
@@ -315,7 +306,7 @@ void searchWorker(DebugInterface* cpu, std::vector<SearchResult>& searchResults,
 		auto removeIt = std::remove_if(searchResults.begin(), searchResults.end(), [cpu, searchType, searchComparison, searchValue](SearchResult& searchResult) -> bool {
 			const u32 addr = searchResult.getAddress();
 			if (!cpu->isValidAddress(addr))
-					 return true;
+				return true;
 
 			const auto readValue = readValueAtAddress<T>(cpu, addr);
 
@@ -415,7 +406,7 @@ static void searchWorkerByteArray(DebugInterface* cpu, SearchType searchType, Se
 	}
 	else
 	{
-		auto removeIt = std::remove_if(searchResults.begin(), searchResults.end(), [ searchComparison, searchType, searchValue, cpu ](SearchResult& searchResult) -> bool {
+		auto removeIt = std::remove_if(searchResults.begin(), searchResults.end(), [searchComparison, searchType, searchValue, cpu](SearchResult& searchResult) -> bool {
 			const u32 addr = searchResult.getAddress();
 			if (!cpu->isValidAddress(addr))
 				return true;
@@ -476,7 +467,7 @@ std::vector<SearchResult> startWorker(DebugInterface* cpu, const SearchType type
 
 void MemorySearchWidget::onSearchButtonClicked()
 {
-	if (!m_cpu->isAlive())
+	if (!cpu().isAlive())
 		return;
 
 	const SearchType searchType = getCurrentSearchType();
@@ -510,9 +501,9 @@ void MemorySearchWidget::onSearchButtonClicked()
 	const bool isFilterSearch = sender() == m_ui.btnFilterSearch;
 	unsigned long long value;
 
-	if(searchComparison != SearchComparison::UnknownValue)
+	if (searchComparison != SearchComparison::UnknownValue)
 	{
-		if(doesSearchComparisonTakeInput(searchComparison))
+		if (doesSearchComparisonTakeInput(searchComparison))
 		{
 			switch (searchType)
 			{
@@ -565,16 +556,32 @@ void MemorySearchWidget::onSearchButtonClicked()
 			}
 		}
 
-		if (!isFilterSearch && (searchComparison == SearchComparison::Changed || searchComparison == SearchComparison::ChangedBy
-								|| searchComparison == SearchComparison::Decreased || searchComparison == SearchComparison::DecreasedBy
-								|| searchComparison == SearchComparison::Increased || searchComparison == SearchComparison::IncreasedBy
-								|| searchComparison == SearchComparison::NotChanged))
+		if (!isFilterSearch &&
+			(searchComparison == SearchComparison::Changed ||
+				searchComparison == SearchComparison::ChangedBy ||
+				searchComparison == SearchComparison::Decreased ||
+				searchComparison == SearchComparison::DecreasedBy ||
+				searchComparison == SearchComparison::Increased ||
+				searchComparison == SearchComparison::IncreasedBy ||
+				searchComparison == SearchComparison::NotChanged))
 		{
 			QMessageBox::critical(this, tr("Debugger"), tr("This search comparison can only be used with filter searches."));
 			return;
 		}
 	}
 
+	if (!isFilterSearch && (searchComparison == SearchComparison::Changed ||
+							   searchComparison == SearchComparison::ChangedBy ||
+							   searchComparison == SearchComparison::Decreased ||
+							   searchComparison == SearchComparison::DecreasedBy ||
+							   searchComparison == SearchComparison::Increased ||
+							   searchComparison == SearchComparison::IncreasedBy ||
+							   searchComparison == SearchComparison::NotChanged))
+	{
+		QMessageBox::critical(this, tr("Debugger"), tr("This search comparison can only be used with filter searches."));
+		return;
+	}
+
 	QFutureWatcher<std::vector<SearchResult>>* workerWatcher = new QFutureWatcher<std::vector<SearchResult>>();
 	auto onSearchFinished = [this, workerWatcher] {
 		m_ui.btnSearch->setDisabled(false);
@@ -597,7 +604,7 @@ void MemorySearchWidget::onSearchButtonClicked()
 		m_searchResults.clear();
 	}
 
-	QFuture<std::vector<SearchResult>> workerFuture = QtConcurrent::run(startWorker, m_cpu, searchType, searchComparison, std::move(m_searchResults), searchStart, searchEnd, searchValue, searchHex ? 16 : 10);
+	QFuture<std::vector<SearchResult>> workerFuture = QtConcurrent::run(startWorker, &cpu(), searchType, searchComparison, std::move(m_searchResults), searchStart, searchEnd, searchValue, searchHex ? 16 : 10);
 	workerWatcher->setFuture(workerFuture);
 	connect(workerWatcher, &QFutureWatcher<std::vector<SearchResult>>::finished, onSearchFinished);
 	m_searchResults.clear();
@@ -649,7 +656,8 @@ SearchComparison MemorySearchWidget::getCurrentSearchComparison()
 
 bool MemorySearchWidget::doesSearchComparisonTakeInput(const SearchComparison comparison)
 {
-	switch (comparison) {
+	switch (comparison)
+	{
 		case SearchComparison::Equals:
 		case SearchComparison::NotEquals:
 		case SearchComparison::GreaterThan:
@@ -708,7 +716,7 @@ void MemorySearchWidget::updateSearchComparisonSelections()
 std::vector<SearchComparison> MemorySearchWidget::getValidSearchComparisonsForState(SearchType type, std::vector<SearchResult>& existingResults)
 {
 	const bool hasResults = existingResults.size() > 0;
-	std::vector<SearchComparison> comparisons = { SearchComparison::Equals };
+	std::vector<SearchComparison> comparisons = {SearchComparison::Equals};
 
 	if (type == SearchType::ArrayType || type == SearchType::StringType)
 	{
@@ -736,8 +744,8 @@ std::vector<SearchComparison> MemorySearchWidget::getValidSearchComparisonsForSt
 		comparisons.push_back(SearchComparison::ChangedBy);
 		comparisons.push_back(SearchComparison::NotChanged);
 	}
-	
-	if(!hasResults)
+
+	if (!hasResults)
 	{
 		comparisons.push_back(SearchComparison::UnknownValue);
 	}

pcsx2-qt/Debugger/Memory/MemorySearchWidget.h

@@ -5,22 +5,23 @@
 
 #include "ui_MemorySearchWidget.h"
 
+#include "Debugger/DebuggerWidget.h"
+
 #include "DebugTools/DebugInterface.h"
 
 #include <QtWidgets/QWidget>
 #include <QtCore/QTimer>
 #include <QtCore/QMap>
 
-class MemorySearchWidget final : public QWidget
+class MemorySearchWidget final : public DebuggerWidget
 {
-    Q_OBJECT
+	Q_OBJECT
 
 public:
-	MemorySearchWidget(QWidget* parent);
-    ~MemorySearchWidget() = default;
-	void setCpu(DebugInterface* cpu);
+	MemorySearchWidget(const DebuggerWidgetParameters& parameters);
+	~MemorySearchWidget() = default;
 
-    enum class SearchType
+	enum class SearchType
 	{
 		ByteType,
 		Int16Type,
@@ -77,9 +78,11 @@ public:
 		{
 			return labelToEnumMap.value(comparisonLabel, SearchComparison::Invalid);
 		}
-		QString enumToLabel(SearchComparison comparison) {
+		QString enumToLabel(SearchComparison comparison)
+		{
 			return enumToLabelMap.value(comparison, "");
 		}
+
 	private:
 		QMap<SearchComparison, QString> enumToLabelMap;
 		QMap<QString, SearchComparison> labelToEnumMap;
@@ -100,7 +103,9 @@ public:
 	public:
 		SearchResult() {}
 		SearchResult(u32 address, const QVariant& value, SearchType type)
-			: address(address), value(value), type(type)
+			: address(address)
+			, value(value)
+			, type(type)
 		{
 		}
 		bool isIntegerValue() const { return type == SearchType::ByteType || type == SearchType::Int16Type || type == SearchType::Int32Type || type == SearchType::Int64Type; }
@@ -111,7 +116,7 @@ public:
 		SearchType getType() const { return type; }
 		QByteArray getArrayValue() const { return isArrayValue() ? value.toByteArray() : QByteArray(); }
 
-		template<typename T>
+		template <typename T>
 		T getValue() const
 		{
 			return value.value<T>();
@@ -124,29 +129,21 @@ public slots:
 	void onSearchTypeChanged(int newIndex);
 	void onSearchComparisonChanged(int newIndex);
 	void loadSearchResults();
-	void contextSearchResultGoToDisassembly();
 	void contextRemoveSearchResult();
 	void contextCopySearchResultAddress();
 	void onListSearchResultsContextMenu(QPoint pos);
 
-signals:
-	void addAddressToSavedAddressesList(u32 address);
-	void goToAddressInDisassemblyView(u32 address);
-	void goToAddressInMemoryView(u32 address);
-	void switchToMemoryViewTab();
-
 private:
 	std::vector<SearchResult> m_searchResults;
 	SearchComparisonLabelMap m_searchComparisonLabelMap;
 	Ui::MemorySearchWidget m_ui;
-	DebugInterface* m_cpu;
 	QTimer m_resultsLoadTimer;
 
 	u32 m_initialResultsLoadLimit = 20000;
 	u32 m_numResultsAddedPerLoad = 10000;
 
 	void updateSearchComparisonSelections();
-	std::vector<SearchComparison> getValidSearchComparisonsForState(SearchType type, std::vector<SearchResult> &existingResults);
+	std::vector<SearchComparison> getValidSearchComparisonsForState(SearchType type, std::vector<SearchResult>& existingResults);
 	SearchType getCurrentSearchType();
 	SearchComparison getCurrentSearchComparison();
 	bool doesSearchComparisonTakeInput(SearchComparison comparison);

pcsx2-qt/Debugger/Memory/MemorySearchWidget.ui

@@ -10,11 +10,6 @@
     <height>300</height>
    </rect>
   </property>
-  <property name="font">
-   <font>
-    <family>Monospace</family>
-   </font>
-  </property>
   <property name="windowTitle">
    <string/>
   </property>

pcsx2-qt/Debugger/Memory/MemoryViewWidget.cpp

@@ -2,15 +2,17 @@
 // SPDX-License-Identifier: GPL-3.0+
 
 #include "MemoryViewWidget.h"
-#include "common/Console.h"
+
+#include "Debugger/JsonValueWrapper.h"
 
 #include "QtHost.h"
 #include "QtUtils.h"
-#include <QtGui/QMouseEvent>
 #include <QtCore/QObject>
+#include <QtGui/QActionGroup>
+#include <QtGui/QClipboard>
+#include <QtGui/QMouseEvent>
 #include <QtWidgets/QInputDialog>
 #include <QtWidgets/QMessageBox>
-#include <QtGui/QClipboard>
 
 using namespace QtUtils;
 
@@ -41,7 +43,7 @@ void MemoryViewTable::UpdateSelectedAddress(u32 selected, bool page)
 	}
 }
 
-void MemoryViewTable::DrawTable(QPainter& painter, const QPalette& palette, s32 height)
+void MemoryViewTable::DrawTable(QPainter& painter, const QPalette& palette, s32 height, DebugInterface& cpu)
 {
 	rowHeight = painter.fontMetrics().height() + 2;
 	const s32 charWidth = painter.fontMetrics().averageCharWidth();
@@ -106,7 +108,7 @@ void MemoryViewTable::DrawTable(QPainter& painter, const QPalette& palette, s32
 			{
 				case MemoryViewType::BYTE:
 				{
-					const u8 val = static_cast<u8>(m_cpu->read8(thisSegmentsStart, valid));
+					const u8 val = static_cast<u8>(cpu.read8(thisSegmentsStart, valid));
 					if (penDefault && val == 0)
 						painter.setPen(QColor::fromRgb(145, 145, 155)); // ZERO BYTE COLOUR
 					painter.drawText(valX, y + (rowHeight * i), valid ? FilledQStringFromValue(val, 16) : "??");
@@ -114,7 +116,7 @@ void MemoryViewTable::DrawTable(QPainter& painter, const QPalette& palette, s32
 				}
 				case MemoryViewType::BYTEHW:
 				{
-					const u16 val = convertEndian<u16>(static_cast<u16>(m_cpu->read16(thisSegmentsStart, valid)));
+					const u16 val = convertEndian<u16>(static_cast<u16>(cpu.read16(thisSegmentsStart, valid)));
 					if (penDefault && val == 0)
 						painter.setPen(QColor::fromRgb(145, 145, 155)); // ZERO BYTE COLOUR
 					painter.drawText(valX, y + (rowHeight * i), valid ? FilledQStringFromValue(val, 16) : "????");
@@ -122,7 +124,7 @@ void MemoryViewTable::DrawTable(QPainter& painter, const QPalette& palette, s32
 				}
 				case MemoryViewType::WORD:
 				{
-					const u32 val = convertEndian<u32>(m_cpu->read32(thisSegmentsStart, valid));
+					const u32 val = convertEndian<u32>(cpu.read32(thisSegmentsStart, valid));
 					if (penDefault && val == 0)
 						painter.setPen(QColor::fromRgb(145, 145, 155)); // ZERO BYTE COLOUR
 					painter.drawText(valX, y + (rowHeight * i), valid ? FilledQStringFromValue(val, 16) : "????????");
@@ -130,7 +132,7 @@ void MemoryViewTable::DrawTable(QPainter& painter, const QPalette& palette, s32
 				}
 				case MemoryViewType::DWORD:
 				{
-					const u64 val = convertEndian<u64>(m_cpu->read64(thisSegmentsStart, valid));
+					const u64 val = convertEndian<u64>(cpu.read64(thisSegmentsStart, valid));
 					if (penDefault && val == 0)
 						painter.setPen(QColor::fromRgb(145, 145, 155)); // ZERO BYTE COLOUR
 					painter.drawText(valX, y + (rowHeight * i), valid ? FilledQStringFromValue(val, 16) : "????????????????");
@@ -153,7 +155,7 @@ void MemoryViewTable::DrawTable(QPainter& painter, const QPalette& palette, s32
 				painter.setPen(palette.text().color());
 
 			bool valid;
-			const u8 value = m_cpu->read8(currentRowAddress + j, valid);
+			const u8 value = cpu.read8(currentRowAddress + j, valid);
 			if (valid)
 			{
 				QChar curChar = QChar::fromLatin1(value);
@@ -173,6 +175,10 @@ void MemoryViewTable::DrawTable(QPainter& painter, const QPalette& palette, s32
 
 void MemoryViewTable::SelectAt(QPoint pos)
 {
+	// Check if SelectAt was called before DrawTable.
+	if (rowHeight == 0)
+		return;
+
 	const u32 selectedRow = (pos.y() - 2) / (rowHeight);
 	const s32 x = pos.x();
 	const s32 avgSegmentWidth = segmentXAxis[1] - segmentXAxis[0];
@@ -212,54 +218,54 @@ void MemoryViewTable::SelectAt(QPoint pos)
 	}
 }
 
-u128 MemoryViewTable::GetSelectedSegment()
+u128 MemoryViewTable::GetSelectedSegment(DebugInterface& cpu)
 {
 	u128 val;
 	switch (displayType)
 	{
 		case MemoryViewType::BYTE:
-			val.lo = m_cpu->read8(selectedAddress);
+			val.lo = cpu.read8(selectedAddress);
 			break;
 		case MemoryViewType::BYTEHW:
-			val.lo = convertEndian(static_cast<u16>(m_cpu->read16(selectedAddress & ~1)));
+			val.lo = convertEndian(static_cast<u16>(cpu.read16(selectedAddress & ~1)));
 			break;
 		case MemoryViewType::WORD:
-			val.lo = convertEndian(m_cpu->read32(selectedAddress & ~3));
+			val.lo = convertEndian(cpu.read32(selectedAddress & ~3));
 			break;
 		case MemoryViewType::DWORD:
-			val._u64[0] = convertEndian(m_cpu->read64(selectedAddress & ~7));
+			val._u64[0] = convertEndian(cpu.read64(selectedAddress & ~7));
 			break;
 	}
 	return val;
 }
 
-void MemoryViewTable::InsertIntoSelectedHexView(u8 value)
+void MemoryViewTable::InsertIntoSelectedHexView(u8 value, DebugInterface& cpu)
 {
 	const u8 mask = selectedNibbleHI ? 0x0f : 0xf0;
-	u8 curVal = m_cpu->read8(selectedAddress) & mask;
+	u8 curVal = cpu.read8(selectedAddress) & mask;
 	u8 newVal = value << (selectedNibbleHI ? 4 : 0);
 	curVal |= newVal;
 
-	Host::RunOnCPUThread([this, address = selectedAddress, cpu = m_cpu, val = curVal] {
-		cpu->write8(address, val);
+	Host::RunOnCPUThread([this, address = selectedAddress, &cpu, val = curVal] {
+		cpu.write8(address, val);
 		QtHost::RunOnUIThread([this] { parent->update(); });
 	});
 }
 
-void MemoryViewTable::InsertAtCurrentSelection(const QString& text)
+void MemoryViewTable::InsertAtCurrentSelection(const QString& text, DebugInterface& cpu)
 {
-	if (!m_cpu->isValidAddress(selectedAddress))
+	if (!cpu.isValidAddress(selectedAddress))
 		return;
 
 	// If pasting into the hex view, also decode the input as hex bytes.
 	// This approach prevents one from pasting on a nibble boundary, but that is almost always
 	// user error, and we don't have an undo function in this view, so best to stay conservative.
 	QByteArray input = selectedText ? text.toUtf8() : QByteArray::fromHex(text.toUtf8());
-	Host::RunOnCPUThread([this, address = selectedAddress, cpu = m_cpu, inBytes = input] {
+	Host::RunOnCPUThread([this, address = selectedAddress, &cpu, inBytes = input] {
 		u32 currAddr = address;
 		for (int i = 0; i < inBytes.size(); i++)
 		{
-			cpu->write8(currAddr, inBytes[i]);
+			cpu.write8(currAddr, inBytes[i]);
 			currAddr = nextAddress(currAddr);
 			QtHost::RunOnUIThread([this] { parent->update(); });
 		}
@@ -339,9 +345,9 @@ void MemoryViewTable::BackwardSelection()
 
 
 // We need both key and keychar because `key` is easy to use, but is case insensitive
-bool MemoryViewTable::KeyPress(int key, QChar keychar)
+bool MemoryViewTable::KeyPress(int key, QChar keychar, DebugInterface& cpu)
 {
-	if (!m_cpu->isValidAddress(selectedAddress))
+	if (!cpu.isValidAddress(selectedAddress))
 		return false;
 
 	bool pressHandled = false;
@@ -352,8 +358,8 @@ bool MemoryViewTable::KeyPress(int key, QChar keychar)
 	{
 		if (keyCharIsText || (!keychar.isNonCharacter() && keychar.category() != QChar::Other_Control))
 		{
-			Host::RunOnCPUThread([this, address = selectedAddress, cpu = m_cpu, val = keychar.toLatin1()] {
-				cpu->write8(address, val);
+			Host::RunOnCPUThread([this, address = selectedAddress, &cpu, val = keychar.toLatin1()] {
+				cpu.write8(address, val);
 				QtHost::RunOnUIThread([this] { UpdateSelectedAddress(selectedAddress + 1); parent->update(); });
 			});
 			pressHandled = true;
@@ -363,8 +369,8 @@ bool MemoryViewTable::KeyPress(int key, QChar keychar)
 		{
 			case Qt::Key::Key_Backspace:
 			case Qt::Key::Key_Escape:
-				Host::RunOnCPUThread([this, address = selectedAddress, cpu = m_cpu] {
-					cpu->write8(address, 0);
+				Host::RunOnCPUThread([this, address = selectedAddress, &cpu] {
+					cpu.write8(address, 0);
 					QtHost::RunOnUIThread([this] {BackwardSelection(); parent->update(); });
 				});
 				pressHandled = true;
@@ -391,7 +397,7 @@ bool MemoryViewTable::KeyPress(int key, QChar keychar)
 			const u8 keyPressed = static_cast<u8>(QString(QChar(key)).toInt(&pressHandled, 16));
 			if (pressHandled)
 			{
-				InsertIntoSelectedHexView(keyPressed);
+				InsertIntoSelectedHexView(keyPressed, cpu);
 				ForwardSelection();
 			}
 		}
@@ -400,7 +406,7 @@ bool MemoryViewTable::KeyPress(int key, QChar keychar)
 		{
 			case Qt::Key::Key_Backspace:
 			case Qt::Key::Key_Escape:
-				InsertIntoSelectedHexView(0);
+				InsertIntoSelectedHexView(0, cpu);
 				BackwardSelection();
 				pressHandled = true;
 				break;
@@ -447,123 +453,174 @@ bool MemoryViewTable::KeyPress(int key, QChar keychar)
 /*
 	MemoryViewWidget
 */
-MemoryViewWidget::MemoryViewWidget(QWidget* parent)
-	: QWidget(parent)
+MemoryViewWidget::MemoryViewWidget(const DebuggerWidgetParameters& parameters)
+	: DebuggerWidget(parameters, MONOSPACE_FONT)
 	, m_table(this)
 {
 	ui.setupUi(this);
-	this->setFocusPolicy(Qt::FocusPolicy::ClickFocus);
-	connect(this, &MemoryViewWidget::customContextMenuRequested, this, &MemoryViewWidget::customMenuRequested);
+
+	setFocusPolicy(Qt::FocusPolicy::ClickFocus);
+
+	setContextMenuPolicy(Qt::CustomContextMenu);
+	connect(this, &MemoryViewWidget::customContextMenuRequested, this, &MemoryViewWidget::openContextMenu);
+
+	m_table.UpdateStartAddress(0x100000);
+
+	receiveEvent<DebuggerEvents::Refresh>([this](const DebuggerEvents::Refresh& event) -> bool {
+		update();
+		return true;
+	});
+
+	receiveEvent<DebuggerEvents::GoToAddress>([this](const DebuggerEvents::GoToAddress& event) -> bool {
+		if (event.filter != DebuggerEvents::GoToAddress::NONE &&
+			event.filter != DebuggerEvents::GoToAddress::MEMORY_VIEW)
+			return false;
+
+		gotoAddress(event.address);
+
+		if (event.switch_to_tab)
+			switchToThisTab();
+
+		return true;
+	});
 }
 
 MemoryViewWidget::~MemoryViewWidget() = default;
 
-void MemoryViewWidget::SetCpu(DebugInterface* cpu)
+void MemoryViewWidget::toJson(JsonValueWrapper& json)
 {
-	m_cpu = cpu;
-	m_table.SetCpu(cpu);
-	m_table.UpdateStartAddress(0x480000);
+	DebuggerWidget::toJson(json);
+
+	json.value().AddMember("startAddress", m_table.startAddress, json.allocator());
+	json.value().AddMember("viewType", static_cast<int>(m_table.GetViewType()), json.allocator());
+	json.value().AddMember("littleEndian", m_table.GetLittleEndian(), json.allocator());
+}
+
+bool MemoryViewWidget::fromJson(const JsonValueWrapper& json)
+{
+	if (!DebuggerWidget::fromJson(json))
+		return false;
+
+	auto start_address = json.value().FindMember("startAddress");
+	if (start_address != json.value().MemberEnd() && start_address->value.IsUint())
+		m_table.UpdateStartAddress(start_address->value.GetUint());
+
+	auto view_type = json.value().FindMember("viewType");
+	if (view_type != json.value().MemberEnd() && view_type->value.IsInt())
+	{
+		MemoryViewType type = static_cast<MemoryViewType>(view_type->value.GetInt());
+		if (type == MemoryViewType::BYTE ||
+			type == MemoryViewType::BYTEHW ||
+			type == MemoryViewType::WORD ||
+			type == MemoryViewType::DWORD)
+			m_table.SetViewType(type);
+	}
+
+	auto little_endian = json.value().FindMember("littleEndian");
+	if (little_endian != json.value().MemberEnd() && little_endian->value.IsBool())
+		m_table.SetLittleEndian(little_endian->value.GetBool());
+
+	repaint();
+
+	return true;
 }
 
 void MemoryViewWidget::paintEvent(QPaintEvent* event)
 {
-	if (!m_cpu->isAlive())
-		return;
-
 	QPainter painter(this);
 
-	m_table.DrawTable(painter, this->palette(), this->height());
+	painter.fillRect(rect(), palette().window());
+
+	if (!cpu().isAlive())
+		return;
+
+	m_table.DrawTable(painter, this->palette(), this->height(), cpu());
 }
 
 void MemoryViewWidget::mousePressEvent(QMouseEvent* event)
 {
-	if (!m_cpu->isAlive())
+	if (!cpu().isAlive())
 		return;
 
 	m_table.SelectAt(event->pos());
 	repaint();
 }
 
-void MemoryViewWidget::customMenuRequested(QPoint pos)
+void MemoryViewWidget::openContextMenu(QPoint pos)
 {
-	if (!m_cpu->isAlive())
+	if (!cpu().isAlive())
 		return;
 
-	if (!m_contextMenu)
-	{
-		m_contextMenu = new QMenu(this);
+	QMenu* menu = new QMenu(this);
+	menu->setAttribute(Qt::WA_DeleteOnClose);
 
-		QAction* action = new QAction(tr("Copy Address"));
-		m_contextMenu->addAction(action);
-		connect(action, &QAction::triggered, this, [this]() { QApplication::clipboard()->setText(QString::number(m_table.selectedAddress, 16).toUpper()); });
+	QAction* copy_action = menu->addAction(tr("Copy Address"));
+	connect(copy_action, &QAction::triggered, this, [this]() {
+		QApplication::clipboard()->setText(QString::number(m_table.selectedAddress, 16).toUpper());
+	});
 
-		action = new QAction(tr("Go to in Disassembly"));
-		m_contextMenu->addAction(action);
-		connect(action, &QAction::triggered, this, [this]() { emit gotoInDisasm(m_table.selectedAddress); });
+	createEventActions<DebuggerEvents::GoToAddress>(menu, [this]() {
+		DebuggerEvents::GoToAddress event;
+		event.address = m_table.selectedAddress;
+		return std::optional(event);
+	});
 
-		action = new QAction(tr("Go to address"));
-		m_contextMenu->addAction(action);
-		connect(action, &QAction::triggered, this, [this]() { contextGoToAddress(); });
+	QAction* go_to_address_action = menu->addAction(tr("Go to address"));
+	connect(go_to_address_action, &QAction::triggered, this, [this]() { contextGoToAddress(); });
 
-		m_contextMenu->addSeparator();
+	menu->addSeparator();
 
-		m_actionLittleEndian = new QAction(tr("Show as Little Endian"));
-		m_actionLittleEndian->setCheckable(true);
-		m_contextMenu->addAction(m_actionLittleEndian);
-		connect(m_actionLittleEndian, &QAction::triggered, this, [this]() { m_table.SetLittleEndian(m_actionLittleEndian->isChecked()); });
+	QAction* endian_action = menu->addAction(tr("Show as Little Endian"));
+	endian_action->setCheckable(true);
+	endian_action->setChecked(m_table.GetLittleEndian());
+	connect(endian_action, &QAction::triggered, this, [this, endian_action]() {
+		m_table.SetLittleEndian(endian_action->isChecked());
+	});
 
-		// View Types
-		m_actionBYTE = new QAction(tr("Show as 1 byte"));
-		m_actionBYTE->setCheckable(true);
-		m_contextMenu->addAction(m_actionBYTE);
-		connect(m_actionBYTE, &QAction::triggered, this, [this]() { m_table.SetViewType(MemoryViewType::BYTE); });
+	const MemoryViewType current_view_type = m_table.GetViewType();
 
-		m_actionBYTEHW = new QAction(tr("Show as 2 bytes"));
-		m_actionBYTEHW->setCheckable(true);
-		m_contextMenu->addAction(m_actionBYTEHW);
-		connect(m_actionBYTEHW, &QAction::triggered, this, [this]() { m_table.SetViewType(MemoryViewType::BYTEHW); });
+	// View Types
+	QActionGroup* view_type_group = new QActionGroup(menu);
+	view_type_group->setExclusive(true);
 
-		m_actionWORD = new QAction(tr("Show as 4 bytes"));
-		m_actionWORD->setCheckable(true);
-		m_contextMenu->addAction(m_actionWORD);
-		connect(m_actionWORD, &QAction::triggered, this, [this]() { m_table.SetViewType(MemoryViewType::WORD); });
+	QAction* byte_action = menu->addAction(tr("Show as 1 byte"));
+	byte_action->setCheckable(true);
+	byte_action->setChecked(current_view_type == MemoryViewType::BYTE);
+	connect(byte_action, &QAction::triggered, this, [this]() { m_table.SetViewType(MemoryViewType::BYTE); });
+	view_type_group->addAction(byte_action);
 
-		m_actionDWORD = new QAction(tr("Show as 8 bytes"));
-		m_actionDWORD->setCheckable(true);
-		m_contextMenu->addAction(m_actionDWORD);
-		connect(m_actionDWORD, &QAction::triggered, this, [this]() { m_table.SetViewType(MemoryViewType::DWORD); });
+	QAction* bytehw_action = menu->addAction(tr("Show as 2 bytes"));
+	bytehw_action->setCheckable(true);
+	bytehw_action->setChecked(current_view_type == MemoryViewType::BYTEHW);
+	connect(bytehw_action, &QAction::triggered, this, [this]() { m_table.SetViewType(MemoryViewType::BYTEHW); });
+	view_type_group->addAction(bytehw_action);
 
-		m_contextMenu->addSeparator();
+	QAction* word_action = menu->addAction(tr("Show as 4 bytes"));
+	word_action->setCheckable(true);
+	word_action->setChecked(current_view_type == MemoryViewType::WORD);
+	connect(word_action, &QAction::triggered, this, [this]() { m_table.SetViewType(MemoryViewType::WORD); });
+	view_type_group->addAction(word_action);
 
-		action = new QAction((tr("Add to Saved Memory Addresses")));
-		m_contextMenu->addAction(action);
-		connect(action, &QAction::triggered, this, [this]() { emit addToSavedAddresses(m_table.selectedAddress); });
+	QAction* dword_action = menu->addAction(tr("Show as 8 bytes"));
+	dword_action->setCheckable(true);
+	dword_action->setChecked(current_view_type == MemoryViewType::DWORD);
+	connect(dword_action, &QAction::triggered, this, [this]() { m_table.SetViewType(MemoryViewType::DWORD); });
+	view_type_group->addAction(dword_action);
 
-		action = new QAction(tr("Copy Byte"));
-		m_contextMenu->addAction(action);
-		connect(action, &QAction::triggered, this, [this]() { contextCopyByte(); });
+	menu->addSeparator();
 
-		action = new QAction(tr("Copy Segment"));
-		m_contextMenu->addAction(action);
-		connect(action, &QAction::triggered, this, [this]() { contextCopySegment(); });
+	createEventActions<DebuggerEvents::AddToSavedAddresses>(menu, [this]() {
+		DebuggerEvents::AddToSavedAddresses event;
+		event.address = m_table.selectedAddress;
+		return std::optional(event);
+	});
 
-		action = new QAction(tr("Copy Character"));
-		m_contextMenu->addAction(action);
-		connect(action, &QAction::triggered, this, [this]() { contextCopyCharacter(); });
+	connect(menu->addAction(tr("Copy Byte")), &QAction::triggered, this, &MemoryViewWidget::contextCopyByte);
+	connect(menu->addAction(tr("Copy Segment")), &QAction::triggered, this, &MemoryViewWidget::contextCopySegment);
+	connect(menu->addAction(tr("Copy Character")), &QAction::triggered, this, &MemoryViewWidget::contextCopyCharacter);
+	connect(menu->addAction(tr("Paste")), &QAction::triggered, this, &MemoryViewWidget::contextPaste);
 
-		action = new QAction(tr("Paste"));
-		m_contextMenu->addAction(action);
-		connect(action, &QAction::triggered, this, [this]() { contextPaste(); });
-	}
-	m_actionLittleEndian->setChecked(m_table.GetLittleEndian());
-
-	const MemoryViewType currentViewType = m_table.GetViewType();
-
-	m_actionBYTE->setChecked(currentViewType == MemoryViewType::BYTE);
-	m_actionBYTEHW->setChecked(currentViewType == MemoryViewType::BYTEHW);
-	m_actionWORD->setChecked(currentViewType == MemoryViewType::WORD);
-	m_actionDWORD->setChecked(currentViewType == MemoryViewType::DWORD);
-	m_contextMenu->popup(this->mapToGlobal(pos));
+	menu->popup(this->mapToGlobal(pos));
 
 	this->repaint();
 	return;
@@ -571,22 +628,22 @@ void MemoryViewWidget::customMenuRequested(QPoint pos)
 
 void MemoryViewWidget::contextCopyByte()
 {
-	QApplication::clipboard()->setText(QString::number(m_cpu->read8(m_table.selectedAddress), 16).toUpper());
+	QApplication::clipboard()->setText(QString::number(cpu().read8(m_table.selectedAddress), 16).toUpper());
 }
 
 void MemoryViewWidget::contextCopySegment()
 {
-	QApplication::clipboard()->setText(QString::number(m_table.GetSelectedSegment().lo, 16).toUpper());
+	QApplication::clipboard()->setText(QString::number(m_table.GetSelectedSegment(cpu()).lo, 16).toUpper());
 }
 
 void MemoryViewWidget::contextCopyCharacter()
 {
-	QApplication::clipboard()->setText(QChar::fromLatin1(m_cpu->read8(m_table.selectedAddress)).toUpper());
+	QApplication::clipboard()->setText(QChar::fromLatin1(cpu().read8(m_table.selectedAddress)).toUpper());
 }
 
 void MemoryViewWidget::contextPaste()
 {
-	m_table.InsertAtCurrentSelection(QApplication::clipboard()->text());
+	m_table.InsertAtCurrentSelection(QApplication::clipboard()->text(), cpu());
 }
 
 void MemoryViewWidget::contextGoToAddress()
@@ -600,7 +657,7 @@ void MemoryViewWidget::contextGoToAddress()
 
 	u64 address = 0;
 	std::string error;
-	if (!m_cpu->evaluateExpression(targetString.toStdString().c_str(), address, error))
+	if (!cpu().evaluateExpression(targetString.toStdString().c_str(), address, error))
 	{
 		QMessageBox::warning(this, tr("Cannot Go To"), QString::fromStdString(error));
 		return;
@@ -628,7 +685,7 @@ void MemoryViewWidget::wheelEvent(QWheelEvent* event)
 
 void MemoryViewWidget::keyPressEvent(QKeyEvent* event)
 {
-	if (!m_table.KeyPress(event->key(), event->text().size() ? event->text()[0] : '\0'))
+	if (!m_table.KeyPress(event->key(), event->text().size() ? event->text()[0] : '\0', cpu()))
 	{
 		switch (event->key())
 		{
@@ -644,7 +701,7 @@ void MemoryViewWidget::keyPressEvent(QKeyEvent* event)
 		}
 	}
 	this->repaint();
-	VMUpdate();
+	DebuggerWidget::broadcastEvent(DebuggerEvents::VMUpdate());
 }
 
 void MemoryViewWidget::gotoAddress(u32 address)

pcsx2-qt/Debugger/Memory/MemoryViewWidget.h

@@ -3,7 +3,9 @@
 
 #pragma once
 
-#include "ui_RegisterWidget.h"
+#include "ui_MemoryViewWidget.h"
+
+#include "Debugger/DebuggerWidget.h"
 
 #include "DebugTools/DebugInterface.h"
 #include "DebugTools/DisassemblyManager.h"
@@ -27,7 +29,6 @@ enum class MemoryViewType
 class MemoryViewTable
 {
 	QWidget* parent;
-	DebugInterface* m_cpu;
 	MemoryViewType displayType = MemoryViewType::BYTE;
 	bool littleEndian = true;
 	u32 rowCount;
@@ -44,7 +45,7 @@ class MemoryViewTable
 
 	bool selectedNibbleHI = false;
 
-	void InsertIntoSelectedHexView(u8 value);
+	void InsertIntoSelectedHexView(u8 value, DebugInterface& cpu);
 
 	template <class T>
 	T convertEndian(T in)
@@ -64,24 +65,23 @@ class MemoryViewTable
 
 public:
 	MemoryViewTable(QWidget* parent)
-		: parent(parent){};
+		: parent(parent)
+	{
+	}
+
 	u32 startAddress;
 	u32 selectedAddress;
 
-	void SetCpu(DebugInterface* cpu)
-	{
-		m_cpu = cpu;
-	}
 	void UpdateStartAddress(u32 start);
 	void UpdateSelectedAddress(u32 selected, bool page = false);
-	void DrawTable(QPainter& painter, const QPalette& palette, s32 height);
+	void DrawTable(QPainter& painter, const QPalette& palette, s32 height, DebugInterface& cpu);
 	void SelectAt(QPoint pos);
-	u128 GetSelectedSegment();
-	void InsertAtCurrentSelection(const QString& text);
+	u128 GetSelectedSegment(DebugInterface& cpu);
+	void InsertAtCurrentSelection(const QString& text, DebugInterface& cpu);
 	void ForwardSelection();
 	void BackwardSelection();
 	// Returns true if the keypress was handled
-	bool KeyPress(int key, QChar keychar);
+	bool KeyPress(int key, QChar keychar, DebugInterface& cpu);
 
 	MemoryViewType GetViewType()
 	{
@@ -104,26 +104,26 @@ public:
 	}
 };
 
-
-class MemoryViewWidget final : public QWidget
+class MemoryViewWidget final : public DebuggerWidget
 {
 	Q_OBJECT
 
 public:
-	MemoryViewWidget(QWidget* parent);
+	MemoryViewWidget(const DebuggerWidgetParameters& parameters);
 	~MemoryViewWidget();
 
-	void SetCpu(DebugInterface* cpu);
+	void toJson(JsonValueWrapper& json) override;
+	bool fromJson(const JsonValueWrapper& json) override;
 
 protected:
-	void paintEvent(QPaintEvent* event);
-	void mousePressEvent(QMouseEvent* event);
-	void mouseDoubleClickEvent(QMouseEvent* event);
-	void wheelEvent(QWheelEvent* event);
-	void keyPressEvent(QKeyEvent* event);
+	void paintEvent(QPaintEvent* event) override;
+	void mousePressEvent(QMouseEvent* event) override;
+	void mouseDoubleClickEvent(QMouseEvent* event) override;
+	void wheelEvent(QWheelEvent* event) override;
+	void keyPressEvent(QKeyEvent* event) override;
 
 public slots:
-	void customMenuRequested(QPoint pos);
+	void openContextMenu(QPoint pos);
 
 	void contextGoToAddress();
 	void contextCopyByte();
@@ -132,21 +132,8 @@ public slots:
 	void contextPaste();
 	void gotoAddress(u32 address);
 
-signals:
-	void gotoInDisasm(u32 address, bool should_set_focus = true);
-	void addToSavedAddresses(u32 address);
-	void VMUpdate();
-
 private:
-	Ui::RegisterWidget ui;
+	Ui::MemoryViewWidget ui;
 
-	QMenu* m_contextMenu = 0x0;
-	QAction* m_actionLittleEndian;
-	QAction* m_actionBYTE;
-	QAction* m_actionBYTEHW;
-	QAction* m_actionWORD;
-	QAction* m_actionDWORD;
-
-	DebugInterface* m_cpu;
 	MemoryViewTable m_table;
 };

pcsx2-qt/Debugger/Memory/SavedAddressesModel.cpp

@@ -6,93 +6,112 @@
 
 #include "common/Console.h"
 
+std::map<BreakPointCpu, SavedAddressesModel*> SavedAddressesModel::s_instances;
+
 SavedAddressesModel::SavedAddressesModel(DebugInterface& cpu, QObject* parent)
 	: QAbstractTableModel(parent)
 	, m_cpu(cpu)
 {
 }
 
+SavedAddressesModel* SavedAddressesModel::getInstance(DebugInterface& cpu)
+{
+	auto iterator = s_instances.find(cpu.getCpuType());
+	if (iterator == s_instances.end())
+		iterator = s_instances.emplace(cpu.getCpuType(), new SavedAddressesModel(cpu)).first;
+
+	return iterator->second;
+}
+
 QVariant SavedAddressesModel::data(const QModelIndex& index, int role) const
 {
+	size_t row = static_cast<size_t>(index.row());
+	if (!index.isValid() || row >= m_savedAddresses.size())
+		return false;
+
+	const SavedAddress& entry = m_savedAddresses[row];
+
 	if (role == Qt::CheckStateRole)
-	{
 		return QVariant();
-	}
 
 	if (role == Qt::DisplayRole || role == Qt::EditRole)
 	{
-		SavedAddress savedAddress = m_savedAddresses.at(index.row());
 		switch (index.column())
 		{
 			case HeaderColumns::ADDRESS:
-				return QString::number(savedAddress.address, 16).toUpper();
+				return QString::number(entry.address, 16).toUpper();
 			case HeaderColumns::LABEL:
-				return savedAddress.label;
+				return entry.label;
 			case HeaderColumns::DESCRIPTION:
-				return savedAddress.description;
+				return entry.description;
 		}
 	}
 	if (role == Qt::UserRole)
 	{
-		SavedAddress savedAddress = m_savedAddresses.at(index.row());
 		switch (index.column())
 		{
 			case HeaderColumns::ADDRESS:
-				return savedAddress.address;
+				return entry.address;
 			case HeaderColumns::LABEL:
-				return savedAddress.label;
+				return entry.label;
 			case HeaderColumns::DESCRIPTION:
-				return savedAddress.description;
+				return entry.description;
 		}
 	}
+
 	return QVariant();
 }
 
 bool SavedAddressesModel::setData(const QModelIndex& index, const QVariant& value, int role)
 {
-	if (role == Qt::CheckStateRole)
-	{
+	size_t row = static_cast<size_t>(index.row());
+	if (!index.isValid() || row >= m_savedAddresses.size())
+		return false;
+
+	SavedAddress& entry = m_savedAddresses[row];
+
+	if (role == Qt::CheckStateRole)
 		return false;
-	}
 
 	if (role == Qt::EditRole)
 	{
-		SavedAddress addressToEdit = m_savedAddresses.at(index.row());
 		if (index.column() == HeaderColumns::ADDRESS)
 		{
 			bool ok = false;
 			const u32 address = value.toString().toUInt(&ok, 16);
 			if (ok)
-				addressToEdit.address = address;
+				entry.address = address;
 			else
 				return false;
 		}
+
 		if (index.column() == HeaderColumns::DESCRIPTION)
-			addressToEdit.description = value.toString();
+			entry.description = value.toString();
+
 		if (index.column() == HeaderColumns::LABEL)
-			addressToEdit.label = value.toString();
-		m_savedAddresses.at(index.row()) = addressToEdit;
+			entry.label = value.toString();
 
 		emit dataChanged(index, index, QList<int>(role));
 		return true;
 	}
 	else if (role == Qt::UserRole)
 	{
-		SavedAddress addressToEdit = m_savedAddresses.at(index.row());
 		if (index.column() == HeaderColumns::ADDRESS)
 		{
 			const u32 address = value.toUInt();
-			addressToEdit.address = address;
+			entry.address = address;
 		}
+
 		if (index.column() == HeaderColumns::DESCRIPTION)
-			addressToEdit.description = value.toString();
+			entry.description = value.toString();
+
 		if (index.column() == HeaderColumns::LABEL)
-			addressToEdit.label = value.toString();
-		m_savedAddresses.at(index.row()) = addressToEdit;
+			entry.label = value.toString();
 
 		emit dataChanged(index, index, QList<int>(role));
 		return true;
 	}
+
 	return false;
 }
 
@@ -155,6 +174,7 @@ bool SavedAddressesModel::removeRows(int row, int count, const QModelIndex& pare
 {
 	if (row < 0 || count < 1 || static_cast<size_t>(row + count) > m_savedAddresses.size())
 		return false;
+
 	beginRemoveRows(parent, row, row + count - 1);
 	m_savedAddresses.erase(m_savedAddresses.begin() + row, m_savedAddresses.begin() + row + count);
 	endRemoveRows();

pcsx2-qt/Debugger/Memory/SavedAddressesModel.h

@@ -20,7 +20,7 @@ public:
 		QString description;
 	};
 
-	enum HeaderColumns: int
+	enum HeaderColumns : int
 	{
 		ADDRESS = 0,
 		LABEL,
@@ -28,14 +28,14 @@ public:
 		COLUMN_COUNT
 	};
 
-	static constexpr QHeaderView::ResizeMode HeaderResizeModes[HeaderColumns::COLUMN_COUNT] =
-	{
+	static constexpr QHeaderView::ResizeMode HeaderResizeModes[HeaderColumns::COLUMN_COUNT] = {
 		QHeaderView::ResizeMode::ResizeToContents,
 		QHeaderView::ResizeMode::ResizeToContents,
 		QHeaderView::ResizeMode::Stretch,
 	};
 
-	explicit SavedAddressesModel(DebugInterface& cpu, QObject* parent = nullptr);
+	static SavedAddressesModel* getInstance(DebugInterface& cpu);
+
 	QVariant data(const QModelIndex& index, int role) const override;
 	QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
 	int rowCount(const QModelIndex& parent = QModelIndex()) const override;
@@ -49,6 +49,10 @@ public:
 	void clear();
 
 private:
+	SavedAddressesModel(DebugInterface& cpu, QObject* parent = nullptr);
+
 	DebugInterface& m_cpu;
 	std::vector<SavedAddress> m_savedAddresses;
+
+	static std::map<BreakPointCpu, SavedAddressesModel*> s_instances;
 };

pcsx2-qt/Debugger/Memory/SavedAddressesWidget.cpp

@@ -0,0 +1,166 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "SavedAddressesWidget.h"
+
+#include "QtUtils.h"
+#include "Debugger/DebuggerSettingsManager.h"
+
+#include <QtGui/QClipboard>
+#include <QtWidgets/QMenu>
+
+SavedAddressesWidget::SavedAddressesWidget(const DebuggerWidgetParameters& parameters)
+	: DebuggerWidget(parameters, DISALLOW_MULTIPLE_INSTANCES)
+	, m_model(SavedAddressesModel::getInstance(cpu()))
+{
+	m_ui.setupUi(this);
+
+	m_ui.savedAddressesList->setModel(m_model);
+
+	m_ui.savedAddressesList->setContextMenuPolicy(Qt::CustomContextMenu);
+	connect(m_ui.savedAddressesList, &QTableView::customContextMenuRequested,
+		this, &SavedAddressesWidget::openContextMenu);
+
+	connect(g_emu_thread, &EmuThread::onGameChanged, this, [this](const QString& title) {
+		if (title.isEmpty())
+			return;
+
+		if (m_model->rowCount() == 0)
+			DebuggerSettingsManager::loadGameSettings(m_model);
+	});
+
+	DebuggerSettingsManager::loadGameSettings(m_model);
+
+	for (std::size_t i = 0; auto mode : SavedAddressesModel::HeaderResizeModes)
+	{
+		m_ui.savedAddressesList->horizontalHeader()->setSectionResizeMode(i++, mode);
+	}
+
+	QTableView* savedAddressesTableView = m_ui.savedAddressesList;
+	connect(m_model, &QAbstractItemModel::dataChanged, this, [savedAddressesTableView](const QModelIndex& topLeft) {
+		savedAddressesTableView->resizeColumnToContents(topLeft.column());
+	});
+
+	receiveEvent<DebuggerEvents::AddToSavedAddresses>([this](const DebuggerEvents::AddToSavedAddresses& event) {
+		addAddress(event.address);
+
+		if (event.switch_to_tab)
+			switchToThisTab();
+
+		return true;
+	});
+}
+
+void SavedAddressesWidget::openContextMenu(QPoint pos)
+{
+	QMenu* menu = new QMenu(this);
+	menu->setAttribute(Qt::WA_DeleteOnClose);
+
+	QAction* new_action = menu->addAction(tr("New"));
+	connect(new_action, &QAction::triggered, this, &SavedAddressesWidget::contextNew);
+
+	const QModelIndex index_at_pos = m_ui.savedAddressesList->indexAt(pos);
+	const bool is_index_valid = index_at_pos.isValid();
+	bool is_cpu_alive = cpu().isAlive();
+
+	std::vector<QAction*> go_to_actions = createEventActions<DebuggerEvents::GoToAddress>(
+		menu, [this, index_at_pos]() {
+			const QModelIndex rowAddressIndex = m_model->index(index_at_pos.row(), 0, QModelIndex());
+
+			DebuggerEvents::GoToAddress event;
+			event.address = m_model->data(rowAddressIndex, Qt::UserRole).toUInt();
+			return std::optional(event);
+		});
+
+	for (QAction* go_to_action : go_to_actions)
+		go_to_action->setEnabled(is_index_valid);
+
+	QAction* copy_action = menu->addAction(index_at_pos.column() == 0 ? tr("Copy Address") : tr("Copy Text"));
+	copy_action->setEnabled(is_index_valid);
+	connect(copy_action, &QAction::triggered, [this, index_at_pos]() {
+		QGuiApplication::clipboard()->setText(
+			m_model->data(index_at_pos, Qt::DisplayRole).toString());
+	});
+
+	if (m_model->rowCount() > 0)
+	{
+		QAction* copy_all_as_csv_action = menu->addAction(tr("Copy all as CSV"));
+		connect(copy_all_as_csv_action, &QAction::triggered, [this]() {
+			QGuiApplication::clipboard()->setText(
+				QtUtils::AbstractItemModelToCSV(m_ui.savedAddressesList->model(), Qt::DisplayRole, true));
+		});
+	}
+
+	QAction* paste_from_csv_action = menu->addAction(tr("Paste from CSV"));
+	connect(paste_from_csv_action, &QAction::triggered, this, &SavedAddressesWidget::contextPasteCSV);
+
+	QAction* load_action = menu->addAction(tr("Load from Settings"));
+	load_action->setEnabled(is_cpu_alive);
+	connect(load_action, &QAction::triggered, [this]() {
+		m_model->clear();
+		DebuggerSettingsManager::loadGameSettings(m_model);
+	});
+
+	QAction* save_action = menu->addAction(tr("Save to Settings"));
+	save_action->setEnabled(is_cpu_alive);
+	connect(save_action, &QAction::triggered, this, &SavedAddressesWidget::saveToDebuggerSettings);
+
+	QAction* delete_action = menu->addAction(tr("Delete"));
+	connect(delete_action, &QAction::triggered, this, [this, index_at_pos]() {
+		m_model->removeRows(index_at_pos.row(), 1);
+	});
+	delete_action->setEnabled(is_index_valid);
+
+	menu->popup(m_ui.savedAddressesList->viewport()->mapToGlobal(pos));
+}
+
+void SavedAddressesWidget::contextPasteCSV()
+{
+	QString csv = QGuiApplication::clipboard()->text();
+	// Skip header
+	csv = csv.mid(csv.indexOf('\n') + 1);
+
+	for (const QString& line : csv.split('\n'))
+	{
+		QStringList fields;
+		// In order to handle text with commas in them we must wrap values in quotes to mark
+		// where a value starts and end so that text commas aren't identified as delimiters.
+		// So matches each quote pair, parse it out, and removes the quotes to get the value.
+		QRegularExpression each_quote_pair(R"("([^"]|\\.)*")");
+		QRegularExpressionMatchIterator it = each_quote_pair.globalMatch(line);
+		while (it.hasNext())
+		{
+			QRegularExpressionMatch match = it.next();
+			QString matched_value = match.captured(0);
+			fields << matched_value.mid(1, matched_value.length() - 2);
+		}
+
+		m_model->loadSavedAddressFromFieldList(fields);
+	}
+}
+
+void SavedAddressesWidget::contextNew()
+{
+	m_model->addRow();
+	const u32 row_count = m_model->rowCount();
+	m_ui.savedAddressesList->edit(m_model->index(row_count - 1, 0));
+}
+
+void SavedAddressesWidget::addAddress(u32 address)
+{
+	m_model->addRow();
+
+	u32 row_count = m_model->rowCount();
+
+	QModelIndex address_index = m_model->index(row_count - 1, SavedAddressesModel::ADDRESS);
+	m_model->setData(address_index, address, Qt::UserRole);
+
+	QModelIndex label_index = m_model->index(row_count - 1, SavedAddressesModel::LABEL);
+	if (label_index.isValid())
+		m_ui.savedAddressesList->edit(label_index);
+}
+
+void SavedAddressesWidget::saveToDebuggerSettings()
+{
+	DebuggerSettingsManager::saveGameSettings(m_model);
+}

pcsx2-qt/Debugger/Memory/SavedAddressesWidget.h

@@ -0,0 +1,29 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "ui_SavedAddressesWidget.h"
+
+#include "SavedAddressesModel.h"
+
+#include "Debugger/DebuggerWidget.h"
+
+class SavedAddressesWidget : public DebuggerWidget
+{
+	Q_OBJECT
+
+public:
+	SavedAddressesWidget(const DebuggerWidgetParameters& parameters);
+
+	void openContextMenu(QPoint pos);
+	void contextPasteCSV();
+	void contextNew();
+	void addAddress(u32 address);
+	void saveToDebuggerSettings();
+
+private:
+	Ui::SavedAddressesWidget m_ui;
+
+	SavedAddressesModel* m_model;
+};

pcsx2-qt/Debugger/Memory/SavedAddressesWidget.ui

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>SavedAddressesWidget</class>
+ <widget class="QWidget" name="SavedAddressesWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Saved Addresses</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="spacing">
+    <number>0</number>
+   </property>
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="QTableView" name="savedAddressesList"/>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

pcsx2-qt/Debugger/RegisterWidget.cpp

@@ -3,6 +3,8 @@
 
 #include "RegisterWidget.h"
 
+#include "Debugger/JsonValueWrapper.h"
+
 #include "QtUtils.h"
 #include <QtGui/QMouseEvent>
 #include <QtWidgets/QTabBar>
@@ -13,15 +15,14 @@
 #include <QtWidgets/QProxyStyle>
 #include <QtWidgets/QMessageBox>
 
-#include <algorithm>
 #include <bit>
 
 #define CAT_SHOW_FLOAT (categoryIndex == EECAT_FPR && m_showFPRFloat) || (categoryIndex == EECAT_VU0F && m_showVU0FFloat)
 
 using namespace QtUtils;
 
-RegisterWidget::RegisterWidget(QWidget* parent)
-	: QWidget(parent)
+RegisterWidget::RegisterWidget(const DebuggerWidgetParameters& parameters)
+	: DebuggerWidget(parameters, MONOSPACE_FONT)
 {
 	this->setContextMenuPolicy(Qt::ContextMenuPolicy::CustomContextMenu);
 
@@ -30,21 +31,48 @@ RegisterWidget::RegisterWidget(QWidget* parent)
 
 	connect(this, &RegisterWidget::customContextMenuRequested, this, &RegisterWidget::customMenuRequested);
 	connect(ui.registerTabs, &QTabBar::currentChanged, this, &RegisterWidget::tabCurrentChanged);
-};
+
+	for (int i = 0; i < cpu().getRegisterCategoryCount(); i++)
+	{
+		ui.registerTabs->addTab(cpu().getRegisterCategoryName(i));
+	}
+
+	connect(ui.registerTabs, &QTabBar::currentChanged, [this]() { this->repaint(); });
+
+	receiveEvent<DebuggerEvents::Refresh>([this](const DebuggerEvents::Refresh& event) -> bool {
+		update();
+		return true;
+	});
+}
 
 RegisterWidget::~RegisterWidget()
 {
 }
 
-void RegisterWidget::SetCpu(DebugInterface* cpu)
+void RegisterWidget::toJson(JsonValueWrapper& json)
 {
-	m_cpu = cpu;
-	for (int i = 0; i < m_cpu->getRegisterCategoryCount(); i++)
-	{
-		ui.registerTabs->addTab(m_cpu->getRegisterCategoryName(i));
-	}
+	DebuggerWidget::toJson(json);
 
-	connect(ui.registerTabs, &QTabBar::currentChanged, [this]() { this->repaint(); });
+	json.value().AddMember("showVU0FFloat", m_showVU0FFloat, json.allocator());
+	json.value().AddMember("showFPRFloat", m_showFPRFloat, json.allocator());
+}
+
+bool RegisterWidget::fromJson(const JsonValueWrapper& json)
+{
+	if (!DebuggerWidget::fromJson(json))
+		return false;
+
+	auto show_vu0f_float = json.value().FindMember("showVU0FFloat");
+	if (show_vu0f_float != json.value().MemberEnd() && show_vu0f_float->value.IsBool())
+		m_showVU0FFloat = show_vu0f_float->value.GetBool();
+
+	auto show_fpr_float = json.value().FindMember("showFPRFloat");
+	if (show_fpr_float != json.value().MemberEnd() && show_fpr_float->value.IsBool())
+		m_showFPRFloat = show_fpr_float->value.GetBool();
+
+	repaint();
+
+	return true;
 }
 
 void RegisterWidget::tabCurrentChanged(int cur)
@@ -54,9 +82,6 @@ void RegisterWidget::tabCurrentChanged(int cur)
 
 void RegisterWidget::paintEvent(QPaintEvent* event)
 {
-	if (!m_cpu)
-		return;
-
 	QPainter painter(this);
 	painter.setPen(this->palette().text().color());
 	m_renderStart = QPoint(0, ui.registerTabs->pos().y() + ui.registerTabs->size().height());
@@ -94,9 +119,9 @@ void RegisterWidget::paintEvent(QPaintEvent* event)
 	// off of that.
 	// Can probably constexpr the loop out as register names are known during runtime
 	int safeValueStartX = 0;
-	for (int i = 0; i < m_cpu->getRegisterCount(categoryIndex); i++)
+	for (int i = 0; i < cpu().getRegisterCount(categoryIndex); i++)
 	{
-		const int registerNameWidth = strlen(m_cpu->getRegisterName(categoryIndex, i));
+		const int registerNameWidth = strlen(cpu().getRegisterName(categoryIndex, i));
 		if (safeValueStartX < registerNameWidth)
 		{
 			safeValueStartX = registerNameWidth;
@@ -110,7 +135,7 @@ void RegisterWidget::paintEvent(QPaintEvent* event)
 	// Make it relative to where we start rendering
 	safeValueStartX += m_renderStart.x();
 
-	for (s32 i = 0; i < m_cpu->getRegisterCount(categoryIndex) - m_rowStart; i++)
+	for (s32 i = 0; i < cpu().getRegisterCount(categoryIndex) - m_rowStart; i++)
 	{
 		const s32 registerIndex = i + m_rowStart;
 		const int yStart = (i * m_rowHeight) + m_renderStart.y();
@@ -120,11 +145,11 @@ void RegisterWidget::paintEvent(QPaintEvent* event)
 
 		// Draw register name
 		painter.setPen(this->palette().text().color());
-		painter.drawText(m_renderStart.x() + painter.fontMetrics().averageCharWidth(), yStart, renderSize.width(), m_rowHeight, Qt::AlignLeft, m_cpu->getRegisterName(categoryIndex, registerIndex));
+		painter.drawText(m_renderStart.x() + painter.fontMetrics().averageCharWidth(), yStart, renderSize.width(), m_rowHeight, Qt::AlignLeft, cpu().getRegisterName(categoryIndex, registerIndex));
 
-		if (m_cpu->getRegisterSize(categoryIndex) == 128)
+		if (cpu().getRegisterSize(categoryIndex) == 128)
 		{
-			const u128 curRegister = m_cpu->getRegister(categoryIndex, registerIndex);
+			const u128 curRegister = cpu().getRegister(categoryIndex, registerIndex);
 
 			int regIndex = 3;
 			for (int j = 0; j < 4; j++)
@@ -136,7 +161,7 @@ void RegisterWidget::paintEvent(QPaintEvent* event)
 
 				if (categoryIndex == EECAT_VU0F && m_showVU0FFloat)
 					painter.drawText(m_fieldStartX[j], yStart, m_fieldWidth, m_rowHeight, Qt::AlignLeft,
-						painter.fontMetrics().elidedText(QString::number(std::bit_cast<float>(m_cpu->getRegister(categoryIndex, registerIndex)._u32[regIndex])), Qt::ElideRight, m_fieldWidth - painter.fontMetrics().averageCharWidth()));
+						painter.fontMetrics().elidedText(QString::number(std::bit_cast<float>(cpu().getRegister(categoryIndex, registerIndex)._u32[regIndex])), Qt::ElideRight, m_fieldWidth - painter.fontMetrics().averageCharWidth()));
 				else
 					painter.drawText(m_fieldStartX[j], yStart, m_fieldWidth, m_rowHeight,
 						Qt::AlignLeft, FilledQStringFromValue(curRegister._u32[regIndex], 16));
@@ -153,13 +178,13 @@ void RegisterWidget::paintEvent(QPaintEvent* event)
 
 			if (categoryIndex == EECAT_FPR && m_showFPRFloat)
 				painter.drawText(safeValueStartX, yStart, renderSize.width(), m_rowHeight, Qt::AlignLeft,
-					QString("%1").arg(QString::number(std::bit_cast<float>(m_cpu->getRegister(categoryIndex, registerIndex)._u32[0]))).toUpper());
-			else if (m_cpu->getRegisterSize(categoryIndex) == 64)
+					QString("%1").arg(QString::number(std::bit_cast<float>(cpu().getRegister(categoryIndex, registerIndex)._u32[0]))).toUpper());
+			else if (cpu().getRegisterSize(categoryIndex) == 64)
 				painter.drawText(safeValueStartX, yStart, renderSize.width(), m_rowHeight, Qt::AlignLeft,
-					FilledQStringFromValue(m_cpu->getRegister(categoryIndex, registerIndex).lo, 16));
+					FilledQStringFromValue(cpu().getRegister(categoryIndex, registerIndex).lo, 16));
 			else
 				painter.drawText(safeValueStartX, yStart, renderSize.width(), m_rowHeight, Qt::AlignLeft,
-					FilledQStringFromValue(m_cpu->getRegister(categoryIndex, registerIndex)._u32[0], 16));
+					FilledQStringFromValue(cpu().getRegister(categoryIndex, registerIndex)._u32[0], 16));
 		}
 	}
 	painter.end();
@@ -171,7 +196,7 @@ void RegisterWidget::mousePressEvent(QMouseEvent* event)
 	m_selectedRow = static_cast<int>(((event->position().y() - m_renderStart.y()) / m_rowHeight)) + m_rowStart;
 
 	// For 128 bit types, support selecting segments
-	if (m_cpu->getRegisterSize(categoryIndex) == 128)
+	if (cpu().getRegisterSize(categoryIndex) == 128)
 	{
 		constexpr auto inRange = [](u32 low, u32 high, u32 val) {
 			return (low <= val && val <= high);
@@ -190,7 +215,7 @@ void RegisterWidget::mousePressEvent(QMouseEvent* event)
 
 void RegisterWidget::wheelEvent(QWheelEvent* event)
 {
-	if (event->angleDelta().y() < 0 && m_rowEnd < m_cpu->getRegisterCount(ui.registerTabs->currentIndex()))
+	if (event->angleDelta().y() < 0 && m_rowEnd < cpu().getRegisterCount(ui.registerTabs->currentIndex()))
 	{
 		m_rowStart += 1;
 	}
@@ -204,12 +229,12 @@ void RegisterWidget::wheelEvent(QWheelEvent* event)
 
 void RegisterWidget::mouseDoubleClickEvent(QMouseEvent* event)
 {
-	if (!m_cpu->isAlive())
+	if (!cpu().isAlive())
 		return;
 	if (m_selectedRow > m_rowEnd) // Unsigned underflow; selectedRow will be > m_rowEnd (technically negative)
 		return;
 	const int categoryIndex = ui.registerTabs->currentIndex();
-	if (m_cpu->getRegisterSize(categoryIndex) == 128)
+	if (cpu().getRegisterSize(categoryIndex) == 128)
 		contextChangeSegment();
 	else
 		contextChangeValue();
@@ -217,85 +242,85 @@ void RegisterWidget::mouseDoubleClickEvent(QMouseEvent* event)
 
 void RegisterWidget::customMenuRequested(QPoint pos)
 {
-	if (!m_cpu->isAlive())
+	if (!cpu().isAlive())
 		return;
 
 	if (m_selectedRow > m_rowEnd) // Unsigned underflow; selectedRow will be > m_rowEnd (technically negative)
 		return;
 
-	// Unlike the disassembly widget, we need to create a new context menu every time
-	// we show it. Because some register groups are special
-	if (!m_contextMenu)
-		m_contextMenu = new QMenu(this);
-	else
-		m_contextMenu->clear();
+	QMenu* menu = new QMenu(this);
+	menu->setAttribute(Qt::WA_DeleteOnClose);
 
 	const int categoryIndex = ui.registerTabs->currentIndex();
 
-	QAction* action = 0;
-
 	if (categoryIndex == EECAT_FPR)
 	{
-		m_contextMenu->addAction(action = new QAction(m_showFPRFloat ? tr("View as hex") : tr("View as float")));
-		connect(action, &QAction::triggered, this, [this]() { m_showFPRFloat = !m_showFPRFloat; });
-		m_contextMenu->addSeparator();
+		QAction* action = menu->addAction(tr("Show as Float"));
+		action->setCheckable(true);
+		action->setChecked(m_showFPRFloat);
+		connect(action, &QAction::triggered, this, [this]() {
+			m_showFPRFloat = !m_showFPRFloat;
+			repaint();
+		});
+
+		menu->addSeparator();
 	}
 
 	if (categoryIndex == EECAT_VU0F)
 	{
-		m_contextMenu->addAction(action = new QAction(m_showVU0FFloat ? tr("View as hex") : tr("View as float")));
-		connect(action, &QAction::triggered, this, [this]() { m_showVU0FFloat = !m_showVU0FFloat; });
-		m_contextMenu->addSeparator();
+		QAction* action = menu->addAction(tr("Show as Float"));
+		action->setCheckable(true);
+		action->setChecked(m_showVU0FFloat);
+		connect(action, &QAction::triggered, this, [this]() {
+			m_showVU0FFloat = !m_showVU0FFloat;
+			repaint();
+		});
+
+		menu->addSeparator();
 	}
 
-	if (m_cpu->getRegisterSize(categoryIndex) == 128)
+	if (cpu().getRegisterSize(categoryIndex) == 128)
 	{
-		m_contextMenu->addAction(action = new QAction(tr("Copy Top Half"), this));
-		connect(action, &QAction::triggered, this, &RegisterWidget::contextCopyTop);
-		m_contextMenu->addAction(action = new QAction(tr("Copy Bottom Half"), this));
-		connect(action, &QAction::triggered, this, &RegisterWidget::contextCopyBottom);
-		m_contextMenu->addAction(action = new QAction(tr("Copy Segment"), this));
-		connect(action, &QAction::triggered, this, &RegisterWidget::contextCopySegment);
+		connect(menu->addAction(tr("Copy Top Half")), &QAction::triggered, this, &RegisterWidget::contextCopyTop);
+		connect(menu->addAction(tr("Copy Bottom Half")), &QAction::triggered, this, &RegisterWidget::contextCopyBottom);
+		connect(menu->addAction(tr("Copy Segment")), &QAction::triggered, this, &RegisterWidget::contextCopySegment);
 	}
 	else
 	{
-		m_contextMenu->addAction(action = new QAction(tr("Copy Value"), this));
-		connect(action, &QAction::triggered, this, &RegisterWidget::contextCopyValue);
+		connect(menu->addAction(tr("Copy Value")), &QAction::triggered, this, &RegisterWidget::contextCopyValue);
 	}
 
-	m_contextMenu->addSeparator();
+	menu->addSeparator();
 
-	if (m_cpu->getRegisterSize(categoryIndex) == 128)
+	if (cpu().getRegisterSize(categoryIndex) == 128)
 	{
-		m_contextMenu->addAction(action = new QAction(tr("Change Top Half"), this));
-		connect(action, &QAction::triggered, this, &RegisterWidget::contextChangeTop);
-		m_contextMenu->addAction(action = new QAction(tr("Change Bottom Half"), this));
-		connect(action, &QAction::triggered, this, &RegisterWidget::contextChangeBottom);
-		m_contextMenu->addAction(action = new QAction(tr("Change Segment"), this));
-		connect(action, &QAction::triggered, this, &RegisterWidget::contextChangeSegment);
+		connect(menu->addAction(tr("Change Top Half")), &QAction::triggered,
+			this, &RegisterWidget::contextChangeTop);
+		connect(menu->addAction(tr("Change Bottom Half")), &QAction::triggered,
+			this, &RegisterWidget::contextChangeBottom);
+		connect(menu->addAction(tr("Change Segment")), &QAction::triggered,
+			this, &RegisterWidget::contextChangeSegment);
 	}
 	else
 	{
-		m_contextMenu->addAction(action = new QAction(tr("Change Value"), this));
-		connect(action, &QAction::triggered, this, &RegisterWidget::contextChangeValue);
+		connect(menu->addAction(tr("Change Value")), &QAction::triggered,
+			this, &RegisterWidget::contextChangeValue);
 	}
 
-	m_contextMenu->addSeparator();
+	menu->addSeparator();
 
-	m_contextMenu->addAction(action = new QAction(tr("Go to in Disassembly"), this));
-	connect(action, &QAction::triggered, this, &RegisterWidget::contextGotoDisasm);
+	createEventActions<DebuggerEvents::GoToAddress>(menu, [this]() {
+		return contextCreateGotoEvent();
+	});
 
-	m_contextMenu->addAction(action = new QAction(tr("Go to in Memory View"), this));
-	connect(action, &QAction::triggered, this, &RegisterWidget::contextGotoMemory);
-
-	m_contextMenu->popup(this->mapToGlobal(pos));
+	menu->popup(this->mapToGlobal(pos));
 }
 
 
 void RegisterWidget::contextCopyValue()
 {
 	const int categoryIndex = ui.registerTabs->currentIndex();
-	const u128 val = m_cpu->getRegister(categoryIndex, m_selectedRow);
+	const u128 val = cpu().getRegister(categoryIndex, m_selectedRow);
 	if (CAT_SHOW_FLOAT)
 		QApplication::clipboard()->setText(QString("%1").arg(QString::number(std::bit_cast<float>(val._u32[0])).toUpper(), 16));
 	else
@@ -305,21 +330,21 @@ void RegisterWidget::contextCopyValue()
 void RegisterWidget::contextCopyTop()
 {
 	const int categoryIndex = ui.registerTabs->currentIndex();
-	const u128 val = m_cpu->getRegister(categoryIndex, m_selectedRow);
+	const u128 val = cpu().getRegister(categoryIndex, m_selectedRow);
 	QApplication::clipboard()->setText(FilledQStringFromValue(val.hi, 16));
 }
 
 void RegisterWidget::contextCopyBottom()
 {
 	const int categoryIndex = ui.registerTabs->currentIndex();
-	const u128 val = m_cpu->getRegister(categoryIndex, m_selectedRow);
+	const u128 val = cpu().getRegister(categoryIndex, m_selectedRow);
 	QApplication::clipboard()->setText(FilledQStringFromValue(val.lo, 16));
 }
 
 void RegisterWidget::contextCopySegment()
 {
 	const int categoryIndex = ui.registerTabs->currentIndex();
-	const u128 val = m_cpu->getRegister(categoryIndex, m_selectedRow);
+	const u128 val = cpu().getRegister(categoryIndex, m_selectedRow);
 	if (CAT_SHOW_FLOAT)
 		QApplication::clipboard()->setText(FilledQStringFromValue(std::bit_cast<float>(val._u32[3 - m_selected128Field]), 10));
 	else
@@ -330,7 +355,7 @@ bool RegisterWidget::contextFetchNewValue(u64& out, u64 currentValue, bool segme
 {
 	const int categoryIndex = ui.registerTabs->currentIndex();
 	const bool floatingPoint = CAT_SHOW_FLOAT && segment;
-	const int regSize = m_cpu->getRegisterSize(categoryIndex);
+	const int regSize = cpu().getRegisterSize(categoryIndex);
 	bool ok = false;
 
 	QString existingValue("%1");
@@ -341,7 +366,7 @@ bool RegisterWidget::contextFetchNewValue(u64& out, u64 currentValue, bool segme
 		existingValue = existingValue.arg(std::bit_cast<float>((u32)currentValue));
 
 	//: Changing the value in a CPU register (e.g. "Change t0")
-	QString input = QInputDialog::getText(this, tr("Change %1").arg(m_cpu->getRegisterName(categoryIndex, m_selectedRow)), "",
+	QString input = QInputDialog::getText(this, tr("Change %1").arg(cpu().getRegisterName(categoryIndex, m_selectedRow)), "",
 		QLineEdit::Normal, existingValue, &ok);
 
 	if (!ok)
@@ -373,76 +398,70 @@ void RegisterWidget::contextChangeValue()
 {
 	const int categoryIndex = ui.registerTabs->currentIndex();
 	u64 newVal;
-	if (contextFetchNewValue(newVal, m_cpu->getRegister(categoryIndex, m_selectedRow).lo))
+	if (contextFetchNewValue(newVal, cpu().getRegister(categoryIndex, m_selectedRow).lo))
 	{
-		m_cpu->setRegister(categoryIndex, m_selectedRow, u128::From64(newVal));
-		VMUpdate();
+		cpu().setRegister(categoryIndex, m_selectedRow, u128::From64(newVal));
+		DebuggerWidget::broadcastEvent(DebuggerEvents::VMUpdate());
 	}
 }
 
 void RegisterWidget::contextChangeTop()
 {
 	u64 newVal;
-	u128 oldVal = m_cpu->getRegister(ui.registerTabs->currentIndex(), m_selectedRow);
+	u128 oldVal = cpu().getRegister(ui.registerTabs->currentIndex(), m_selectedRow);
 	if (contextFetchNewValue(newVal, oldVal.hi))
 	{
 		oldVal.hi = newVal;
-		m_cpu->setRegister(ui.registerTabs->currentIndex(), m_selectedRow, oldVal);
-		VMUpdate();
+		cpu().setRegister(ui.registerTabs->currentIndex(), m_selectedRow, oldVal);
+		DebuggerWidget::broadcastEvent(DebuggerEvents::VMUpdate());
 	}
 }
 
 void RegisterWidget::contextChangeBottom()
 {
 	u64 newVal;
-	u128 oldVal = m_cpu->getRegister(ui.registerTabs->currentIndex(), m_selectedRow);
+	u128 oldVal = cpu().getRegister(ui.registerTabs->currentIndex(), m_selectedRow);
 	if (contextFetchNewValue(newVal, oldVal.lo))
 	{
 		oldVal.lo = newVal;
-		m_cpu->setRegister(ui.registerTabs->currentIndex(), m_selectedRow, oldVal);
-		VMUpdate();
+		cpu().setRegister(ui.registerTabs->currentIndex(), m_selectedRow, oldVal);
+		DebuggerWidget::broadcastEvent(DebuggerEvents::VMUpdate());
 	}
 }
 
 void RegisterWidget::contextChangeSegment()
 {
 	u64 newVal;
-	u128 oldVal = m_cpu->getRegister(ui.registerTabs->currentIndex(), m_selectedRow);
+	u128 oldVal = cpu().getRegister(ui.registerTabs->currentIndex(), m_selectedRow);
 	if (contextFetchNewValue(newVal, oldVal._u32[3 - m_selected128Field], true))
 	{
 		oldVal._u32[3 - m_selected128Field] = (u32)newVal;
-		m_cpu->setRegister(ui.registerTabs->currentIndex(), m_selectedRow, oldVal);
-		VMUpdate();
+		cpu().setRegister(ui.registerTabs->currentIndex(), m_selectedRow, oldVal);
+		DebuggerWidget::broadcastEvent(DebuggerEvents::VMUpdate());
 	}
 }
 
-void RegisterWidget::contextGotoDisasm()
+std::optional<DebuggerEvents::GoToAddress> RegisterWidget::contextCreateGotoEvent()
 {
 	const int categoryIndex = ui.registerTabs->currentIndex();
-	u128 regVal = m_cpu->getRegister(categoryIndex, m_selectedRow);
+	u128 regVal = cpu().getRegister(categoryIndex, m_selectedRow);
 	u32 addr = 0;
 
-	if (m_cpu->getRegisterSize(categoryIndex) == 128)
+	if (cpu().getRegisterSize(categoryIndex) == 128)
 		addr = regVal._u32[3 - m_selected128Field];
 	else
 		addr = regVal._u32[0];
 
-	if (m_cpu->isValidAddress(addr))
-		gotoInDisasm(addr);
-	else
-		QMessageBox::warning(this, tr("Invalid target address"), ("This register holds an invalid address."));
-}
-
-void RegisterWidget::contextGotoMemory()
-{
-	const int categoryIndex = ui.registerTabs->currentIndex();
-	u128 regVal = m_cpu->getRegister(categoryIndex, m_selectedRow);
-	u32 addr = 0;
-
-	if (m_cpu->getRegisterSize(categoryIndex) == 128)
-		addr = regVal._u32[3 - m_selected128Field];
-	else
-		addr = regVal._u32[0];
-
-	gotoInMemory(addr);
+	if (!cpu().isValidAddress(addr))
+	{
+		QMessageBox::warning(
+			this,
+			tr("Invalid target address"),
+			tr("This register holds an invalid address."));
+		return std::nullopt;
+	}
+
+	DebuggerEvents::GoToAddress event;
+	event.address = addr;
+	return event;
 }

pcsx2-qt/Debugger/RegisterWidget.h

@@ -5,29 +5,31 @@
 
 #include "ui_RegisterWidget.h"
 
+#include "DebuggerWidget.h"
+
 #include "DebugTools/DebugInterface.h"
 #include "DebugTools/DisassemblyManager.h"
 
-#include <QtWidgets/QWidget>
 #include <QtWidgets/QMenu>
 #include <QtWidgets/QTabBar>
 #include <QtGui/QPainter>
 
-class RegisterWidget final : public QWidget
+class RegisterWidget final : public DebuggerWidget
 {
 	Q_OBJECT
 
 public:
-	RegisterWidget(QWidget* parent);
+	RegisterWidget(const DebuggerWidgetParameters& parameters);
 	~RegisterWidget();
 
-	void SetCpu(DebugInterface* cpu);
+	void toJson(JsonValueWrapper& json) override;
+	bool fromJson(const JsonValueWrapper& json) override;
 
 protected:
-	void paintEvent(QPaintEvent* event);
-	void mousePressEvent(QMouseEvent* event);
-	void mouseDoubleClickEvent(QMouseEvent* event);
-	void wheelEvent(QWheelEvent* event);
+	void paintEvent(QPaintEvent* event) override;
+	void mousePressEvent(QMouseEvent* event) override;
+	void mouseDoubleClickEvent(QMouseEvent* event) override;
+	void wheelEvent(QWheelEvent* event) override;
 
 public slots:
 	void customMenuRequested(QPoint pos);
@@ -40,41 +42,30 @@ public slots:
 	void contextChangeBottom();
 	void contextChangeSegment();
 
-	void contextGotoDisasm();
-	void contextGotoMemory();
+	std::optional<DebuggerEvents::GoToAddress> contextCreateGotoEvent();
 
 	void tabCurrentChanged(int cur);
 
-signals:
-	void gotoInDisasm(u32 address, bool should_set_focus = true);
-	void gotoInMemory(u32 address);
-	void VMUpdate();
-
 private:
 	Ui::RegisterWidget ui;
 
-	QMenu* m_contextMenu = 0x0;
-
 	// Returns true on success
 	bool contextFetchNewValue(u64& out, u64 currentValue, bool segment = false);
 
-	DebugInterface* m_cpu;
-
 	// Used for the height offset the tab bar creates
 	// because we share a widget
 	QPoint m_renderStart;
 
-	s32 m_rowStart = 0;         // Index, 0 -> VF00, 1 -> VF01 etc
-	s32 m_rowEnd;               // Index, what register is the last one drawn
-	s32 m_rowHeight;            // The height of each register row
+	s32 m_rowStart = 0; // Index, 0 -> VF00, 1 -> VF01 etc
+	s32 m_rowEnd; // Index, what register is the last one drawn
+	s32 m_rowHeight; // The height of each register row
 	// Used for mouse clicks
-	s32 m_fieldStartX[4];       // Where the register segments start
-	s32 m_fieldWidth;           // How wide the register segments are
+	s32 m_fieldStartX[4]; // Where the register segments start
+	s32 m_fieldWidth; // How wide the register segments are
 
-	s32 m_selectedRow = 0;      // Index
+	s32 m_selectedRow = 0; // Index
 	s32 m_selected128Field = 0; // Values are from 0 to 3
 
-	// TODO: Save this configuration ??
 	bool m_showVU0FFloat = false;
 	bool m_showFPRFloat = false;
 };

pcsx2-qt/Debugger/RegisterWidget.ui

@@ -7,13 +7,13 @@
     <x>0</x>
     <y>0</y>
     <width>400</width>
-    <height>300</height>
+    <height>316</height>
    </rect>
   </property>
   <property name="sizePolicy">
-   <sizepolicy hsizetype="Maximum" vsizetype="Maximum">
-    <horstretch>1</horstretch>
-    <verstretch>1</verstretch>
+   <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
    </sizepolicy>
   </property>
   <property name="minimumSize">
@@ -25,31 +25,46 @@
   <property name="windowTitle">
    <string>Register View</string>
   </property>
-  <widget class="QWidget" name="horizontalLayoutWidget">
-   <property name="geometry">
-    <rect>
-     <x>0</x>
-     <y>0</y>
-     <width>411</width>
-     <height>301</height>
-    </rect>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="spacing">
+    <number>0</number>
    </property>
-   <layout class="QVBoxLayout" name="verticalLayout">
-    <property name="spacing">
-     <number>0</number>
-    </property>
-    <item alignment="Qt::AlignLeft|Qt::AlignTop">
-     <widget class="QTabBar" name="registerTabs" native="true">
-      <property name="sizePolicy">
-       <sizepolicy hsizetype="Maximum" vsizetype="Minimum">
-        <horstretch>0</horstretch>
-        <verstretch>0</verstretch>
-       </sizepolicy>
-      </property>
-     </widget>
-    </item>
-   </layout>
-  </widget>
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="QTabBar" name="registerTabs" native="true">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Preferred" vsizetype="Minimum">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>289</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
  </widget>
  <customwidgets>
   <customwidget>

pcsx2-qt/Debugger/StackModel.cpp

@@ -24,16 +24,20 @@ int StackModel::columnCount(const QModelIndex&) const
 
 QVariant StackModel::data(const QModelIndex& index, int role) const
 {
+	size_t row = static_cast<size_t>(index.row());
+	if (row >= m_stackFrames.size())
+		return QVariant();
+
+	const auto& stackFrame = m_stackFrames[row];
+
 	if (role == Qt::DisplayRole)
 	{
-		const auto& stackFrame = m_stackFrames.at(index.row());
-
 		switch (index.column())
 		{
 			case StackModel::ENTRY:
 				return QtUtils::FilledQStringFromValue(stackFrame.entry, 16);
 			case StackModel::ENTRY_LABEL:
-					return QString::fromStdString(m_cpu.GetSymbolGuardian().FunctionStartingAtAddress(stackFrame.entry).name);
+				return QString::fromStdString(m_cpu.GetSymbolGuardian().FunctionStartingAtAddress(stackFrame.entry).name);
 			case StackModel::PC:
 				return QtUtils::FilledQStringFromValue(stackFrame.pc, 16);
 			case StackModel::PC_OPCODE:
@@ -63,6 +67,7 @@ QVariant StackModel::data(const QModelIndex& index, int role) const
 				return stackFrame.stackSize;
 		}
 	}
+
 	return QVariant();
 }
 

pcsx2-qt/Debugger/StackWidget.cpp

@@ -0,0 +1,84 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "StackWidget.h"
+
+#include "QtUtils.h"
+
+#include <QtGui/QClipboard>
+#include <QtWidgets/QMenu>
+
+StackWidget::StackWidget(const DebuggerWidgetParameters& parameters)
+	: DebuggerWidget(parameters, NO_DEBUGGER_FLAGS)
+	, m_model(new StackModel(cpu()))
+{
+	m_ui.setupUi(this);
+
+	m_ui.stackList->setContextMenuPolicy(Qt::CustomContextMenu);
+	connect(m_ui.stackList, &QTableView::customContextMenuRequested, this, &StackWidget::openContextMenu);
+	connect(m_ui.stackList, &QTableView::doubleClicked, this, &StackWidget::onDoubleClick);
+
+	m_ui.stackList->setModel(m_model);
+	for (std::size_t i = 0; auto mode : StackModel::HeaderResizeModes)
+	{
+		m_ui.stackList->horizontalHeader()->setSectionResizeMode(i, mode);
+		i++;
+	}
+
+	receiveEvent<DebuggerEvents::VMUpdate>([this](const DebuggerEvents::VMUpdate& event) -> bool {
+		m_model->refreshData();
+		return true;
+	});
+}
+
+void StackWidget::openContextMenu(QPoint pos)
+{
+	if (!m_ui.stackList->selectionModel()->hasSelection())
+		return;
+
+	QMenu* menu = new QMenu(m_ui.stackList);
+	menu->setAttribute(Qt::WA_DeleteOnClose);
+
+	QAction* copy_action = menu->addAction(tr("Copy"));
+	connect(copy_action, &QAction::triggered, [this]() {
+		const auto* selection_model = m_ui.stackList->selectionModel();
+		if (!selection_model->hasSelection())
+			return;
+
+		QGuiApplication::clipboard()->setText(m_model->data(selection_model->currentIndex()).toString());
+	});
+
+	menu->addSeparator();
+
+	QAction* copy_all_as_csv_action = menu->addAction(tr("Copy all as CSV"));
+	connect(copy_all_as_csv_action, &QAction::triggered, [this]() {
+		QGuiApplication::clipboard()->setText(QtUtils::AbstractItemModelToCSV(m_ui.stackList->model()));
+	});
+
+	menu->popup(m_ui.stackList->viewport()->mapToGlobal(pos));
+}
+
+void StackWidget::onDoubleClick(const QModelIndex& index)
+{
+	switch (index.column())
+	{
+		case StackModel::StackModel::ENTRY:
+		case StackModel::StackModel::ENTRY_LABEL:
+		{
+			QModelIndex entry_index = m_model->index(index.row(), StackModel::StackColumns::ENTRY);
+			goToInDisassembler(m_model->data(entry_index, Qt::UserRole).toUInt(), true);
+			break;
+		}
+		case StackModel::StackModel::SP:
+		{
+			goToInMemoryView(m_model->data(index, Qt::UserRole).toUInt(), true);
+			break;
+		}
+		default: // Default to PC
+		{
+			QModelIndex pc_index = m_model->index(index.row(), StackModel::StackColumns::PC);
+			goToInDisassembler(m_model->data(pc_index, Qt::UserRole).toUInt(), true);
+			break;
+		}
+	}
+}

pcsx2-qt/Debugger/StackWidget.h

@@ -0,0 +1,26 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "ui_StackWidget.h"
+
+#include "StackModel.h"
+
+#include "DebuggerWidget.h"
+
+class StackWidget final : public DebuggerWidget
+{
+	Q_OBJECT
+
+public:
+	StackWidget(const DebuggerWidgetParameters& parameters);
+
+	void openContextMenu(QPoint pos);
+	void onDoubleClick(const QModelIndex& index);
+
+private:
+	Ui::StackWidget m_ui;
+
+	StackModel* m_model;
+};

pcsx2-qt/Debugger/StackWidget.ui

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>StackWidget</class>
+ <widget class="QWidget" name="StackWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Stack</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="spacing">
+    <number>0</number>
+   </property>
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="QTableView" name="stackList"/>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

pcsx2-qt/Debugger/SymbolTree/SymbolTreeWidget.ui

@@ -6,12 +6,12 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>419</width>
+    <width>400</width>
     <height>300</height>
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string>Symbol Tree</string>
   </property>
   <layout class="QVBoxLayout" name="vertical_layout">
    <property name="spacing">

pcsx2-qt/Debugger/SymbolTree/SymbolTreeWidgets.cpp

@@ -3,30 +3,32 @@
 
 #include "SymbolTreeWidgets.h"
 
+#include "Debugger/JsonValueWrapper.h"
+#include "Debugger/SymbolTree/NewSymbolDialogs.h"
+#include "Debugger/SymbolTree/SymbolTreeDelegates.h"
+
 #include <QtGui/QClipboard>
 #include <QtWidgets/QInputDialog>
 #include <QtWidgets/QMenu>
 #include <QtWidgets/QMessageBox>
 #include <QtWidgets/QScrollBar>
 
-#include "NewSymbolDialogs.h"
-#include "SymbolTreeDelegates.h"
-
 static bool testName(const QString& name, const QString& filter);
 
-SymbolTreeWidget::SymbolTreeWidget(u32 flags, s32 symbol_address_alignment, DebugInterface& cpu, QWidget* parent)
-	: QWidget(parent)
-	, m_cpu(cpu)
+SymbolTreeWidget::SymbolTreeWidget(
+	u32 flags,
+	s32 symbol_address_alignment,
+	const DebuggerWidgetParameters& parameters)
+	: DebuggerWidget(parameters, MONOSPACE_FONT)
 	, m_flags(flags)
 	, m_symbol_address_alignment(symbol_address_alignment)
+	, m_group_by_module(cpu().getCpuType() == BREAKPOINT_IOP)
 {
 	m_ui.setupUi(this);
 
-	setupMenu();
-
 	connect(m_ui.refreshButton, &QPushButton::clicked, this, [&]() {
-		m_cpu.GetSymbolGuardian().ReadWrite([&](ccc::SymbolDatabase& database) {
-			m_cpu.GetSymbolGuardian().UpdateFunctionHashes(database, m_cpu);
+		cpu().GetSymbolGuardian().ReadWrite([&](ccc::SymbolDatabase& database) {
+			cpu().GetSymbolGuardian().UpdateFunctionHashes(database, cpu());
 		});
 
 		reset();
@@ -42,11 +44,16 @@ SymbolTreeWidget::SymbolTreeWidget(u32 flags, s32 symbol_address_alignment, Debu
 	});
 
 	m_ui.treeView->setContextMenuPolicy(Qt::CustomContextMenu);
-	connect(m_ui.treeView, &QTreeView::customContextMenuRequested, this, &SymbolTreeWidget::openMenu);
+	connect(m_ui.treeView, &QTreeView::customContextMenuRequested, this, &SymbolTreeWidget::openContextMenu);
 
 	connect(m_ui.treeView, &QTreeView::expanded, this, [&]() {
 		updateVisibleNodes(true);
 	});
+
+	receiveEvent<DebuggerEvents::Refresh>([this](const DebuggerEvents::Refresh& event) -> bool {
+		updateModel();
+		return true;
+	});
 }
 
 SymbolTreeWidget::~SymbolTreeWidget() = default;
@@ -58,6 +65,78 @@ void SymbolTreeWidget::resizeEvent(QResizeEvent* event)
 	updateVisibleNodes(false);
 }
 
+void SymbolTreeWidget::toJson(JsonValueWrapper& json)
+{
+	DebuggerWidget::toJson(json);
+
+	json.value().AddMember("showSizeColumn", m_show_size_column, json.allocator());
+	if (m_flags & ALLOW_GROUPING)
+	{
+		json.value().AddMember("groupByModule", m_group_by_module, json.allocator());
+		json.value().AddMember("groupBySection", m_group_by_section, json.allocator());
+		json.value().AddMember("groupBySourceFile", m_group_by_source_file, json.allocator());
+	}
+
+	if (m_flags & ALLOW_SORTING_BY_IF_TYPE_IS_KNOWN)
+	{
+		json.value().AddMember("sortByIfTypeIsKnown", m_sort_by_if_type_is_known, json.allocator());
+	}
+}
+
+bool SymbolTreeWidget::fromJson(const JsonValueWrapper& json)
+{
+	if (!DebuggerWidget::fromJson(json))
+		return false;
+
+	bool needs_reset = false;
+
+	auto show_size_column = json.value().FindMember("showSizeColumn");
+	if (show_size_column != json.value().MemberEnd() && show_size_column->value.IsBool())
+	{
+		needs_reset |= show_size_column->value.GetBool() != m_show_size_column;
+		m_show_size_column = show_size_column->value.GetBool();
+	}
+
+	if (m_flags & ALLOW_GROUPING)
+	{
+		auto group_by_module = json.value().FindMember("groupByModule");
+		if (group_by_module != json.value().MemberEnd() && group_by_module->value.IsBool())
+		{
+			needs_reset |= group_by_module->value.GetBool() != m_group_by_module;
+			m_group_by_module = group_by_module->value.GetBool();
+		}
+
+		auto group_by_section = json.value().FindMember("groupBySection");
+		if (group_by_section != json.value().MemberEnd() && group_by_section->value.IsBool())
+		{
+			needs_reset |= group_by_section->value.GetBool() != m_group_by_section;
+			m_group_by_section = group_by_section->value.GetBool();
+		}
+
+		auto group_by_source_file = json.value().FindMember("groupBySourceFile");
+		if (group_by_source_file != json.value().MemberEnd() && group_by_source_file->value.IsBool())
+		{
+			needs_reset |= group_by_source_file->value.GetBool() != m_group_by_source_file;
+			m_group_by_source_file = group_by_source_file->value.GetBool();
+		}
+	}
+
+	if (m_flags & ALLOW_SORTING_BY_IF_TYPE_IS_KNOWN)
+	{
+		auto sort_by_if_type_is_known = json.value().FindMember("sortByIfTypeIsKnown");
+		if (sort_by_if_type_is_known != json.value().MemberEnd() && sort_by_if_type_is_known->value.IsBool())
+		{
+			needs_reset |= sort_by_if_type_is_known->value.GetBool() != m_sort_by_if_type_is_known;
+			m_sort_by_if_type_is_known = sort_by_if_type_is_known->value.GetBool();
+		}
+	}
+
+	if (needs_reset)
+		reset();
+
+	return true;
+}
+
 void SymbolTreeWidget::updateModel()
 {
 	if (needsReset())
@@ -71,28 +150,22 @@ void SymbolTreeWidget::reset()
 	if (!m_model)
 		setupTree();
 
-	m_ui.treeView->setColumnHidden(SymbolTreeModel::SIZE, !m_show_size_column || !m_show_size_column->isChecked());
+	m_ui.treeView->setColumnHidden(SymbolTreeModel::SIZE, !m_show_size_column);
 
-	SymbolFilters filters;
 	std::unique_ptr<SymbolTreeNode> root;
-	m_cpu.GetSymbolGuardian().Read([&](const ccc::SymbolDatabase& database) -> void {
-		filters.group_by_module = m_group_by_module && m_group_by_module->isChecked();
-		filters.group_by_section = m_group_by_section && m_group_by_section->isChecked();
-		filters.group_by_source_file = m_group_by_source_file && m_group_by_source_file->isChecked();
-		filters.string = m_ui.filterBox->text();
-
-		root = buildTree(filters, database);
+	cpu().GetSymbolGuardian().Read([&](const ccc::SymbolDatabase& database) -> void {
+		root = buildTree(database);
 	});
 
 	if (root)
 	{
-		root->sortChildrenRecursively(m_sort_by_if_type_is_known && m_sort_by_if_type_is_known->isChecked());
+		root->sortChildrenRecursively(m_sort_by_if_type_is_known);
 		m_model->reset(std::move(root));
 
 		// Read the initial values for visible nodes.
 		updateVisibleNodes(true);
 
-		if (!filters.string.isEmpty())
+		if (!m_ui.filterBox->text().isEmpty())
 			expandGroups(QModelIndex());
 	}
 }
@@ -114,8 +187,8 @@ void SymbolTreeWidget::updateVisibleNodes(bool update_hashes)
 	// Hash functions for symbols with visible nodes.
 	if (update_hashes)
 	{
-		m_cpu.GetSymbolGuardian().ReadWrite([&](ccc::SymbolDatabase& database) {
-			SymbolTreeNode::updateSymbolHashes(nodes, m_cpu, database);
+		cpu().GetSymbolGuardian().ReadWrite([&](ccc::SymbolDatabase& database) {
+			SymbolTreeNode::updateSymbolHashes(nodes, cpu(), database);
 		});
 	}
 
@@ -147,16 +220,16 @@ void SymbolTreeWidget::expandGroups(QModelIndex index)
 
 void SymbolTreeWidget::setupTree()
 {
-	m_model = new SymbolTreeModel(m_cpu, this);
+	m_model = new SymbolTreeModel(cpu(), this);
 	m_ui.treeView->setModel(m_model);
 
-	auto location_delegate = new SymbolTreeLocationDelegate(m_cpu, m_symbol_address_alignment, this);
+	auto location_delegate = new SymbolTreeLocationDelegate(cpu(), m_symbol_address_alignment, this);
 	m_ui.treeView->setItemDelegateForColumn(SymbolTreeModel::LOCATION, location_delegate);
 
-	auto type_delegate = new SymbolTreeTypeDelegate(m_cpu, this);
+	auto type_delegate = new SymbolTreeTypeDelegate(cpu(), this);
 	m_ui.treeView->setItemDelegateForColumn(SymbolTreeModel::TYPE, type_delegate);
 
-	auto value_delegate = new SymbolTreeValueDelegate(m_cpu, this);
+	auto value_delegate = new SymbolTreeValueDelegate(cpu(), this);
 	m_ui.treeView->setItemDelegateForColumn(SymbolTreeModel::VALUE, value_delegate);
 
 	m_ui.treeView->setAlternatingRowColors(true);
@@ -167,9 +240,9 @@ void SymbolTreeWidget::setupTree()
 	connect(m_ui.treeView, &QTreeView::pressed, this, &SymbolTreeWidget::onTreeViewClicked);
 }
 
-std::unique_ptr<SymbolTreeNode> SymbolTreeWidget::buildTree(const SymbolFilters& filters, const ccc::SymbolDatabase& database)
+std::unique_ptr<SymbolTreeNode> SymbolTreeWidget::buildTree(const ccc::SymbolDatabase& database)
 {
-	std::vector<SymbolWork> symbols = getSymbols(filters.string, database);
+	std::vector<SymbolWork> symbols = getSymbols(m_ui.filterBox->text(), database);
 
 	auto source_file_comparator = [](const SymbolWork& lhs, const SymbolWork& rhs) -> bool {
 		if (lhs.source_file)
@@ -194,13 +267,13 @@ std::unique_ptr<SymbolTreeNode> SymbolTreeWidget::buildTree(const SymbolFilters&
 
 	// Sort all of the symbols so that we can iterate over them in order and
 	// build a tree.
-	if (filters.group_by_source_file)
+	if (m_group_by_source_file)
 		std::stable_sort(symbols.begin(), symbols.end(), source_file_comparator);
 
-	if (filters.group_by_section)
+	if (m_group_by_section)
 		std::stable_sort(symbols.begin(), symbols.end(), section_comparator);
 
-	if (filters.group_by_module)
+	if (m_group_by_module)
 		std::stable_sort(symbols.begin(), symbols.end(), module_comparator);
 
 	std::unique_ptr<SymbolTreeNode> root = std::make_unique<SymbolTreeNode>();
@@ -221,23 +294,23 @@ std::unique_ptr<SymbolTreeNode> SymbolTreeWidget::buildTree(const SymbolFilters&
 	{
 		std::unique_ptr<SymbolTreeNode> node = buildNode(work, database);
 
-		if (filters.group_by_source_file)
+		if (m_group_by_source_file)
 		{
-			node = groupBySourceFile(std::move(node), work, source_file_node, source_file_work, filters);
+			node = groupBySourceFile(std::move(node), work, source_file_node, source_file_work);
 			if (!node)
 				continue;
 		}
 
-		if (filters.group_by_section)
+		if (m_group_by_section)
 		{
-			node = groupBySection(std::move(node), work, section_node, section_work, filters);
+			node = groupBySection(std::move(node), work, section_node, section_work);
 			if (!node)
 				continue;
 		}
 
-		if (filters.group_by_module)
+		if (m_group_by_module)
 		{
-			node = groupByModule(std::move(node), work, module_node, module_work, filters);
+			node = groupByModule(std::move(node), work, module_node, module_work);
 			if (!node)
 				continue;
 		}
@@ -252,14 +325,13 @@ std::unique_ptr<SymbolTreeNode> SymbolTreeWidget::groupBySourceFile(
 	std::unique_ptr<SymbolTreeNode> child,
 	const SymbolWork& child_work,
 	SymbolTreeNode*& prev_group,
-	const SymbolWork*& prev_work,
-	const SymbolFilters& filters)
+	const SymbolWork*& prev_work)
 {
 	bool group_exists =
 		prev_group &&
 		child_work.source_file == prev_work->source_file &&
-		(!filters.group_by_section || child_work.section == prev_work->section) &&
-		(!filters.group_by_module || child_work.module_symbol == prev_work->module_symbol);
+		(!m_group_by_section || child_work.section == prev_work->section) &&
+		(!m_group_by_module || child_work.module_symbol == prev_work->module_symbol);
 	if (group_exists)
 	{
 		prev_group->emplaceChild(std::move(child));
@@ -296,13 +368,12 @@ std::unique_ptr<SymbolTreeNode> SymbolTreeWidget::groupBySection(
 	std::unique_ptr<SymbolTreeNode> child,
 	const SymbolWork& child_work,
 	SymbolTreeNode*& prev_group,
-	const SymbolWork*& prev_work,
-	const SymbolFilters& filters)
+	const SymbolWork*& prev_work)
 {
 	bool group_exists =
 		prev_group &&
 		child_work.section == prev_work->section &&
-		(!filters.group_by_module || child_work.module_symbol == prev_work->module_symbol);
+		(!m_group_by_module || child_work.module_symbol == prev_work->module_symbol);
 	if (group_exists)
 	{
 		prev_group->emplaceChild(std::move(child));
@@ -336,8 +407,7 @@ std::unique_ptr<SymbolTreeNode> SymbolTreeWidget::groupByModule(
 	std::unique_ptr<SymbolTreeNode> child,
 	const SymbolWork& child_work,
 	SymbolTreeNode*& prev_group,
-	const SymbolWork*& prev_work,
-	const SymbolFilters& filters)
+	const SymbolWork*& prev_work)
 {
 	bool group_exists =
 		prev_group &&
@@ -378,95 +448,7 @@ std::unique_ptr<SymbolTreeNode> SymbolTreeWidget::groupByModule(
 	return child;
 }
 
-void SymbolTreeWidget::setupMenu()
-{
-	m_context_menu = new QMenu(this);
-
-	QAction* copy_name = new QAction(tr("Copy Name"), this);
-	connect(copy_name, &QAction::triggered, this, &SymbolTreeWidget::onCopyName);
-	m_context_menu->addAction(copy_name);
-
-	if (m_flags & ALLOW_MANGLED_NAME_ACTIONS)
-	{
-		QAction* copy_mangled_name = new QAction(tr("Copy Mangled Name"), this);
-		connect(copy_mangled_name, &QAction::triggered, this, &SymbolTreeWidget::onCopyMangledName);
-		m_context_menu->addAction(copy_mangled_name);
-	}
-
-	QAction* copy_location = new QAction(tr("Copy Location"), this);
-	connect(copy_location, &QAction::triggered, this, &SymbolTreeWidget::onCopyLocation);
-	m_context_menu->addAction(copy_location);
-
-	m_context_menu->addSeparator();
-
-	m_rename_symbol = new QAction(tr("Rename Symbol"), this);
-	connect(m_rename_symbol, &QAction::triggered, this, &SymbolTreeWidget::onRenameSymbol);
-	m_context_menu->addAction(m_rename_symbol);
-
-	m_context_menu->addSeparator();
-
-	m_go_to_in_disassembly = new QAction(tr("Go to in Disassembly"), this);
-	connect(m_go_to_in_disassembly, &QAction::triggered, this, &SymbolTreeWidget::onGoToInDisassembly);
-	m_context_menu->addAction(m_go_to_in_disassembly);
-
-	m_m_go_to_in_memory_view = new QAction(tr("Go to in Memory View"), this);
-	connect(m_m_go_to_in_memory_view, &QAction::triggered, this, &SymbolTreeWidget::onGoToInMemoryView);
-	m_context_menu->addAction(m_m_go_to_in_memory_view);
-
-	m_show_size_column = new QAction(tr("Show Size Column"), this);
-	m_show_size_column->setCheckable(true);
-	connect(m_show_size_column, &QAction::triggered, this, &SymbolTreeWidget::reset);
-	m_context_menu->addAction(m_show_size_column);
-
-	if (m_flags & ALLOW_GROUPING)
-	{
-		m_context_menu->addSeparator();
-
-		m_group_by_module = new QAction(tr("Group by Module"), this);
-		m_group_by_module->setCheckable(true);
-		if (m_cpu.getCpuType() == BREAKPOINT_IOP)
-			m_group_by_module->setChecked(true);
-		connect(m_group_by_module, &QAction::toggled, this, &SymbolTreeWidget::reset);
-		m_context_menu->addAction(m_group_by_module);
-
-		m_group_by_section = new QAction(tr("Group by Section"), this);
-		m_group_by_section->setCheckable(true);
-		connect(m_group_by_section, &QAction::toggled, this, &SymbolTreeWidget::reset);
-		m_context_menu->addAction(m_group_by_section);
-
-		m_group_by_source_file = new QAction(tr("Group by Source File"), this);
-		m_group_by_source_file->setCheckable(true);
-		connect(m_group_by_source_file, &QAction::toggled, this, &SymbolTreeWidget::reset);
-		m_context_menu->addAction(m_group_by_source_file);
-	}
-
-	if (m_flags & ALLOW_SORTING_BY_IF_TYPE_IS_KNOWN)
-	{
-		m_context_menu->addSeparator();
-
-		m_sort_by_if_type_is_known = new QAction(tr("Sort by if type is known"), this);
-		m_sort_by_if_type_is_known->setCheckable(true);
-		m_context_menu->addAction(m_sort_by_if_type_is_known);
-
-		connect(m_sort_by_if_type_is_known, &QAction::toggled, this, &SymbolTreeWidget::reset);
-	}
-
-	if (m_flags & ALLOW_TYPE_ACTIONS)
-	{
-		m_context_menu->addSeparator();
-
-		m_reset_children = new QAction(tr("Reset children"), this);
-		m_context_menu->addAction(m_reset_children);
-
-		m_change_type_temporarily = new QAction(tr("Change type temporarily"), this);
-		m_context_menu->addAction(m_change_type_temporarily);
-
-		connect(m_reset_children, &QAction::triggered, this, &SymbolTreeWidget::onResetChildren);
-		connect(m_change_type_temporarily, &QAction::triggered, this, &SymbolTreeWidget::onChangeTypeTemporarily);
-	}
-}
-
-void SymbolTreeWidget::openMenu(QPoint pos)
+void SymbolTreeWidget::openContextMenu(QPoint pos)
 {
 	SymbolTreeNode* node = currentNode();
 	if (!node)
@@ -476,17 +458,107 @@ void SymbolTreeWidget::openMenu(QPoint pos)
 	bool node_is_symbol = node->symbol.valid();
 	bool node_is_memory = node->location.type == SymbolTreeLocation::MEMORY;
 
-	m_rename_symbol->setEnabled(node_is_symbol);
-	m_go_to_in_disassembly->setEnabled(node_is_memory);
-	m_m_go_to_in_memory_view->setEnabled(node_is_memory);
+	QMenu* menu = new QMenu(this);
+	menu->setAttribute(Qt::WA_DeleteOnClose);
 
-	if (m_reset_children)
-		m_reset_children->setEnabled(node_is_object);
+	QAction* copy_name = menu->addAction(tr("Copy Name"));
+	connect(copy_name, &QAction::triggered, this, &SymbolTreeWidget::onCopyName);
 
-	if (m_change_type_temporarily)
-		m_change_type_temporarily->setEnabled(node_is_object);
+	if (m_flags & ALLOW_MANGLED_NAME_ACTIONS)
+	{
+		QAction* copy_mangled_name = menu->addAction(tr("Copy Mangled Name"));
+		connect(copy_mangled_name, &QAction::triggered, this, &SymbolTreeWidget::onCopyMangledName);
+	}
 
-	m_context_menu->exec(m_ui.treeView->viewport()->mapToGlobal(pos));
+	QAction* copy_location = menu->addAction(tr("Copy Location"));
+	connect(copy_location, &QAction::triggered, this, &SymbolTreeWidget::onCopyLocation);
+
+	menu->addSeparator();
+
+	QAction* rename_symbol = menu->addAction(tr("Rename Symbol"));
+	rename_symbol->setEnabled(node_is_symbol);
+	connect(rename_symbol, &QAction::triggered, this, &SymbolTreeWidget::onRenameSymbol);
+
+	menu->addSeparator();
+
+	std::vector<QAction*> go_to_actions = createEventActions<DebuggerEvents::GoToAddress>(
+		menu, [this]() -> std::optional<DebuggerEvents::GoToAddress> {
+			SymbolTreeNode* node = currentNode();
+			if (!node)
+				return std::nullopt;
+
+			DebuggerEvents::GoToAddress event;
+			event.address = node->location.address;
+			return event;
+		});
+
+	for (QAction* action : go_to_actions)
+		action->setEnabled(node_is_memory);
+
+	QAction* show_size_column = menu->addAction(tr("Show Size Column"));
+	show_size_column->setCheckable(true);
+	show_size_column->setChecked(m_show_size_column);
+	connect(show_size_column, &QAction::triggered, this, [this](bool checked) {
+		m_show_size_column = checked;
+		m_ui.treeView->setColumnHidden(SymbolTreeModel::SIZE, !m_show_size_column);
+	});
+
+	if (m_flags & ALLOW_GROUPING)
+	{
+		menu->addSeparator();
+
+		QAction* group_by_module = menu->addAction(tr("Group by Module"));
+		group_by_module->setCheckable(true);
+		group_by_module->setChecked(m_group_by_module);
+		connect(group_by_module, &QAction::toggled, this, [this](bool checked) {
+			m_group_by_module = checked;
+			reset();
+		});
+
+		QAction* group_by_section = menu->addAction(tr("Group by Section"));
+		group_by_section->setCheckable(true);
+		group_by_section->setChecked(m_group_by_section);
+		connect(group_by_section, &QAction::toggled, this, [this](bool checked) {
+			m_group_by_section = checked;
+			reset();
+		});
+
+		QAction* group_by_source_file = menu->addAction(tr("Group by Source File"));
+		group_by_source_file->setCheckable(true);
+		group_by_source_file->setChecked(m_group_by_source_file);
+		connect(group_by_source_file, &QAction::toggled, this, [this](bool checked) {
+			m_group_by_source_file = checked;
+			reset();
+		});
+	}
+
+	if (m_flags & ALLOW_SORTING_BY_IF_TYPE_IS_KNOWN)
+	{
+		menu->addSeparator();
+
+		QAction* sort_by_if_type_is_known = menu->addAction(tr("Sort by if type is known"));
+		sort_by_if_type_is_known->setCheckable(true);
+		sort_by_if_type_is_known->setChecked(m_sort_by_if_type_is_known);
+		connect(sort_by_if_type_is_known, &QAction::toggled, this, [this](bool checked) {
+			m_sort_by_if_type_is_known = checked;
+			reset();
+		});
+	}
+
+	if (m_flags & ALLOW_TYPE_ACTIONS)
+	{
+		menu->addSeparator();
+
+		QAction* reset_children = menu->addAction(tr("Reset Children"));
+		reset_children->setEnabled(node_is_object);
+		connect(reset_children, &QAction::triggered, this, &SymbolTreeWidget::onResetChildren);
+
+		QAction* change_type_temporarily = menu->addAction(tr("Change Type Temporarily"));
+		change_type_temporarily->setEnabled(node_is_object);
+		connect(change_type_temporarily, &QAction::triggered, this, &SymbolTreeWidget::onChangeTypeTemporarily);
+	}
+
+	menu->popup(m_ui.treeView->viewport()->mapToGlobal(pos));
 }
 
 bool SymbolTreeWidget::needsReset() const
@@ -506,7 +578,7 @@ void SymbolTreeWidget::onDeleteButtonPressed()
 	if (QMessageBox::question(this, tr("Confirm Deletion"), tr("Delete '%1'?").arg(node->name)) != QMessageBox::Yes)
 		return;
 
-	m_cpu.GetSymbolGuardian().ReadWrite([&](ccc::SymbolDatabase& database) {
+	cpu().GetSymbolGuardian().ReadWrite([&](ccc::SymbolDatabase& database) {
 		node->symbol.destroy_symbol(database, true);
 	});
 
@@ -540,7 +612,7 @@ void SymbolTreeWidget::onCopyLocation()
 	if (!node)
 		return;
 
-	QApplication::clipboard()->setText(node->location.toString(m_cpu));
+	QApplication::clipboard()->setText(node->location.toString(cpu()));
 }
 
 void SymbolTreeWidget::onRenameSymbol()
@@ -553,7 +625,7 @@ void SymbolTreeWidget::onRenameSymbol()
 	QString label = tr("Name:");
 
 	QString text;
-	m_cpu.GetSymbolGuardian().Read([&](const ccc::SymbolDatabase& database) {
+	cpu().GetSymbolGuardian().Read([&](const ccc::SymbolDatabase& database) {
 		const ccc::Symbol* symbol = node->symbol.lookup_symbol(database);
 		if (!symbol || !symbol->address().valid())
 			return;
@@ -566,29 +638,11 @@ void SymbolTreeWidget::onRenameSymbol()
 	if (!ok)
 		return;
 
-	m_cpu.GetSymbolGuardian().ReadWrite([&](ccc::SymbolDatabase& database) {
+	cpu().GetSymbolGuardian().ReadWrite([&](ccc::SymbolDatabase& database) {
 		node->symbol.rename_symbol(name, database);
 	});
 }
 
-void SymbolTreeWidget::onGoToInDisassembly()
-{
-	SymbolTreeNode* node = currentNode();
-	if (!node)
-		return;
-
-	emit goToInDisassembly(node->location.address);
-}
-
-void SymbolTreeWidget::onGoToInMemoryView()
-{
-	SymbolTreeNode* node = currentNode();
-	if (!node)
-		return;
-
-	emit goToInMemoryView(node->location.address);
-}
-
 void SymbolTreeWidget::onResetChildren()
 {
 	if (!m_model)
@@ -634,19 +688,17 @@ void SymbolTreeWidget::onTreeViewClicked(const QModelIndex& index)
 	if (!index.isValid())
 		return;
 
-	SymbolTreeNode* node = m_model->nodeFromIndex(index);
-	if (!node)
+	if ((m_flags & CLICK_TO_GO_TO_IN_DISASSEMBLER) == 0)
 		return;
 
-	switch (index.column())
-	{
-		case SymbolTreeModel::NAME:
-			emit nameColumnClicked(node->location.address);
-			break;
-		case SymbolTreeModel::LOCATION:
-			emit locationColumnClicked(node->location.address);
-			break;
-	}
+	if ((QGuiApplication::mouseButtons() & Qt::LeftButton) == 0)
+		return;
+
+	SymbolTreeNode* node = m_model->nodeFromIndex(index);
+	if (!node || node->location.type != SymbolTreeLocation::MEMORY)
+		return;
+
+	goToInDisassembler(node->location.address, false);
 }
 
 SymbolTreeNode* SymbolTreeWidget::currentNode()
@@ -660,8 +712,11 @@ SymbolTreeNode* SymbolTreeWidget::currentNode()
 
 // *****************************************************************************
 
-FunctionTreeWidget::FunctionTreeWidget(DebugInterface& cpu, QWidget* parent)
-	: SymbolTreeWidget(ALLOW_GROUPING | ALLOW_MANGLED_NAME_ACTIONS, 4, cpu, parent)
+FunctionTreeWidget::FunctionTreeWidget(const DebuggerWidgetParameters& parameters)
+	: SymbolTreeWidget(
+		  ALLOW_GROUPING | ALLOW_MANGLED_NAME_ACTIONS | CLICK_TO_GO_TO_IN_DISASSEMBLER,
+		  4,
+		  parameters)
 {
 }
 
@@ -737,15 +792,19 @@ void FunctionTreeWidget::configureColumns()
 
 void FunctionTreeWidget::onNewButtonPressed()
 {
-	NewFunctionDialog* dialog = new NewFunctionDialog(m_cpu, this);
+	NewFunctionDialog* dialog = new NewFunctionDialog(cpu(), this);
+	dialog->setAttribute(Qt::WA_DeleteOnClose);
 	if (dialog->exec() == QDialog::Accepted)
 		reset();
 }
 
 // *****************************************************************************
 
-GlobalVariableTreeWidget::GlobalVariableTreeWidget(DebugInterface& cpu, QWidget* parent)
-	: SymbolTreeWidget(ALLOW_GROUPING | ALLOW_SORTING_BY_IF_TYPE_IS_KNOWN | ALLOW_TYPE_ACTIONS | ALLOW_MANGLED_NAME_ACTIONS, 1, cpu, parent)
+GlobalVariableTreeWidget::GlobalVariableTreeWidget(const DebuggerWidgetParameters& parameters)
+	: SymbolTreeWidget(
+		  ALLOW_GROUPING | ALLOW_SORTING_BY_IF_TYPE_IS_KNOWN | ALLOW_TYPE_ACTIONS | ALLOW_MANGLED_NAME_ACTIONS,
+		  1,
+		  parameters)
 {
 }
 
@@ -876,15 +935,19 @@ void GlobalVariableTreeWidget::configureColumns()
 
 void GlobalVariableTreeWidget::onNewButtonPressed()
 {
-	NewGlobalVariableDialog* dialog = new NewGlobalVariableDialog(m_cpu, this);
+	NewGlobalVariableDialog* dialog = new NewGlobalVariableDialog(cpu(), this);
+	dialog->setAttribute(Qt::WA_DeleteOnClose);
 	if (dialog->exec() == QDialog::Accepted)
 		reset();
 }
 
 // *****************************************************************************
 
-LocalVariableTreeWidget::LocalVariableTreeWidget(DebugInterface& cpu, QWidget* parent)
-	: SymbolTreeWidget(ALLOW_TYPE_ACTIONS, 1, cpu, parent)
+LocalVariableTreeWidget::LocalVariableTreeWidget(const DebuggerWidgetParameters& parameters)
+	: SymbolTreeWidget(
+		  ALLOW_TYPE_ACTIONS,
+		  1,
+		  parameters)
 {
 }
 
@@ -895,10 +958,10 @@ bool LocalVariableTreeWidget::needsReset() const
 	if (!m_function.valid())
 		return true;
 
-	u32 program_counter = m_cpu.getPC();
+	u32 program_counter = cpu().getPC();
 
 	bool left_function = true;
-	m_cpu.GetSymbolGuardian().Read([&](const ccc::SymbolDatabase& database) {
+	cpu().GetSymbolGuardian().Read([&](const ccc::SymbolDatabase& database) {
 		const ccc::Function* function = database.functions.symbol_from_handle(m_function);
 		if (!function || !function->address().valid())
 			return;
@@ -918,7 +981,7 @@ bool LocalVariableTreeWidget::needsReset() const
 std::vector<SymbolTreeWidget::SymbolWork> LocalVariableTreeWidget::getSymbols(
 	const QString& filter, const ccc::SymbolDatabase& database)
 {
-	u32 program_counter = m_cpu.getPC();
+	u32 program_counter = cpu().getPC();
 	const ccc::Function* function = database.functions.symbol_overlapping_address(program_counter);
 	if (!function || !function->local_variables().has_value())
 	{
@@ -927,7 +990,7 @@ std::vector<SymbolTreeWidget::SymbolWork> LocalVariableTreeWidget::getSymbols(
 	}
 
 	m_function = function->handle();
-	m_caller_stack_pointer = m_cpu.getCallerStackPointer(*function);
+	m_caller_stack_pointer = cpu().getCallerStackPointer(*function);
 
 	std::vector<SymbolTreeWidget::SymbolWork> symbols;
 
@@ -973,7 +1036,7 @@ std::unique_ptr<SymbolTreeNode> LocalVariableTreeWidget::buildNode(
 	node->live_range = local_variable.live_range;
 	node->symbol = ccc::MultiSymbolHandle(local_variable);
 
-	if (const ccc::GlobalStorage* storage = std::get_if<ccc::GlobalStorage>(&local_variable.storage))
+	if (std::get_if<ccc::GlobalStorage>(&local_variable.storage))
 		node->location = SymbolTreeLocation(SymbolTreeLocation::MEMORY, local_variable.address().value);
 	else if (const ccc::RegisterStorage* storage = std::get_if<ccc::RegisterStorage>(&local_variable.storage))
 		node->location = SymbolTreeLocation(SymbolTreeLocation::REGISTER, storage->dbx_register_number);
@@ -1001,15 +1064,19 @@ void LocalVariableTreeWidget::configureColumns()
 
 void LocalVariableTreeWidget::onNewButtonPressed()
 {
-	NewLocalVariableDialog* dialog = new NewLocalVariableDialog(m_cpu, this);
+	NewLocalVariableDialog* dialog = new NewLocalVariableDialog(cpu(), this);
+	dialog->setAttribute(Qt::WA_DeleteOnClose);
 	if (dialog->exec() == QDialog::Accepted)
 		reset();
 }
 
 // *****************************************************************************
 
-ParameterVariableTreeWidget::ParameterVariableTreeWidget(DebugInterface& cpu, QWidget* parent)
-	: SymbolTreeWidget(ALLOW_TYPE_ACTIONS, 1, cpu, parent)
+ParameterVariableTreeWidget::ParameterVariableTreeWidget(const DebuggerWidgetParameters& parameters)
+	: SymbolTreeWidget(
+		  ALLOW_TYPE_ACTIONS,
+		  1,
+		  parameters)
 {
 }
 
@@ -1020,10 +1087,10 @@ bool ParameterVariableTreeWidget::needsReset() const
 	if (!m_function.valid())
 		return true;
 
-	u32 program_counter = m_cpu.getPC();
+	u32 program_counter = cpu().getPC();
 
 	bool left_function = true;
-	m_cpu.GetSymbolGuardian().Read([&](const ccc::SymbolDatabase& database) {
+	cpu().GetSymbolGuardian().Read([&](const ccc::SymbolDatabase& database) {
 		const ccc::Function* function = database.functions.symbol_from_handle(m_function);
 		if (!function || !function->address().valid())
 			return;
@@ -1045,7 +1112,7 @@ std::vector<SymbolTreeWidget::SymbolWork> ParameterVariableTreeWidget::getSymbol
 {
 	std::vector<SymbolTreeWidget::SymbolWork> symbols;
 
-	u32 program_counter = m_cpu.getPC();
+	u32 program_counter = cpu().getPC();
 	const ccc::Function* function = database.functions.symbol_overlapping_address(program_counter);
 	if (!function || !function->parameter_variables().has_value())
 	{
@@ -1054,7 +1121,7 @@ std::vector<SymbolTreeWidget::SymbolWork> ParameterVariableTreeWidget::getSymbol
 	}
 
 	m_function = function->handle();
-	m_caller_stack_pointer = m_cpu.getCallerStackPointer(*function);
+	m_caller_stack_pointer = cpu().getCallerStackPointer(*function);
 
 	for (const ccc::ParameterVariableHandle parameter_variable_handle : *function->parameter_variables())
 	{
@@ -1124,7 +1191,8 @@ void ParameterVariableTreeWidget::configureColumns()
 
 void ParameterVariableTreeWidget::onNewButtonPressed()
 {
-	NewParameterVariableDialog* dialog = new NewParameterVariableDialog(m_cpu, this);
+	NewParameterVariableDialog* dialog = new NewParameterVariableDialog(cpu(), this);
+	dialog->setAttribute(Qt::WA_DeleteOnClose);
 	if (dialog->exec() == QDialog::Accepted)
 		reset();
 }

pcsx2-qt/Debugger/SymbolTree/SymbolTreeWidgets.h

@@ -3,16 +3,14 @@
 
 #pragma once
 
-#include <QtWidgets/QWidget>
-#include "SymbolTreeModel.h"
-
 #include "ui_SymbolTreeWidget.h"
 
-struct SymbolFilters;
+#include "Debugger/DebuggerWidget.h"
+#include "Debugger/SymbolTree/SymbolTreeModel.h"
 
 // A symbol tree widget with its associated refresh button, filter box and
 // right-click menu. Supports grouping, sorting and various other settings.
-class SymbolTreeWidget : public QWidget
+class SymbolTreeWidget : public DebuggerWidget
 {
 	Q_OBJECT
 
@@ -24,12 +22,6 @@ public:
 	void updateVisibleNodes(bool update_hashes);
 	void expandGroups(QModelIndex index);
 
-signals:
-	void goToInDisassembly(u32 address);
-	void goToInMemoryView(u32 address);
-	void nameColumnClicked(u32 address);
-	void locationColumnClicked(u32 address);
-
 protected:
 	struct SymbolWork
 	{
@@ -41,36 +33,38 @@ protected:
 		const ccc::SourceFile* source_file = nullptr;
 	};
 
-	SymbolTreeWidget(u32 flags, s32 symbol_address_alignment, DebugInterface& cpu, QWidget* parent = nullptr);
+	SymbolTreeWidget(
+		u32 flags,
+		s32 symbol_address_alignment,
+		const DebuggerWidgetParameters& parameters);
 
 	void resizeEvent(QResizeEvent* event) override;
 
+	void toJson(JsonValueWrapper& json) override;
+	bool fromJson(const JsonValueWrapper& json) override;
+
 	void setupTree();
-	std::unique_ptr<SymbolTreeNode> buildTree(const SymbolFilters& filters, const ccc::SymbolDatabase& database);
+	std::unique_ptr<SymbolTreeNode> buildTree(const ccc::SymbolDatabase& database);
 
 	std::unique_ptr<SymbolTreeNode> groupBySourceFile(
 		std::unique_ptr<SymbolTreeNode> child,
 		const SymbolWork& child_work,
 		SymbolTreeNode*& prev_group,
-		const SymbolWork*& prev_work,
-		const SymbolFilters& filters);
+		const SymbolWork*& prev_work);
 
 	std::unique_ptr<SymbolTreeNode> groupBySection(
 		std::unique_ptr<SymbolTreeNode> child,
 		const SymbolWork& child_work,
 		SymbolTreeNode*& prev_group,
-		const SymbolWork*& prev_work,
-		const SymbolFilters& filters);
+		const SymbolWork*& prev_work);
 
 	std::unique_ptr<SymbolTreeNode> groupByModule(
 		std::unique_ptr<SymbolTreeNode> child,
 		const SymbolWork& child_work,
 		SymbolTreeNode*& prev_group,
-		const SymbolWork*& prev_work,
-		const SymbolFilters& filters);
+		const SymbolWork*& prev_work);
 
-	void setupMenu();
-	void openMenu(QPoint pos);
+	void openContextMenu(QPoint pos);
 
 	virtual bool needsReset() const;
 
@@ -89,8 +83,6 @@ protected:
 	void onCopyMangledName();
 	void onCopyLocation();
 	void onRenameSymbol();
-	void onGoToInDisassembly();
-	void onGoToInMemoryView();
 	void onResetChildren();
 	void onChangeTypeTemporarily();
 
@@ -100,39 +92,33 @@ protected:
 
 	Ui::SymbolTreeWidget m_ui;
 
-	DebugInterface& m_cpu;
 	SymbolTreeModel* m_model = nullptr;
 
-	QMenu* m_context_menu = nullptr;
-	QAction* m_rename_symbol = nullptr;
-	QAction* m_go_to_in_disassembly = nullptr;
-	QAction* m_m_go_to_in_memory_view = nullptr;
-	QAction* m_show_size_column = nullptr;
-	QAction* m_group_by_module = nullptr;
-	QAction* m_group_by_section = nullptr;
-	QAction* m_group_by_source_file = nullptr;
-	QAction* m_sort_by_if_type_is_known = nullptr;
-	QAction* m_reset_children = nullptr;
-	QAction* m_change_type_temporarily = nullptr;
-
 	enum Flags
 	{
 		NO_SYMBOL_TREE_FLAGS = 0,
 		ALLOW_GROUPING = 1 << 0,
 		ALLOW_SORTING_BY_IF_TYPE_IS_KNOWN = 1 << 1,
 		ALLOW_TYPE_ACTIONS = 1 << 2,
-		ALLOW_MANGLED_NAME_ACTIONS = 1 << 3
+		ALLOW_MANGLED_NAME_ACTIONS = 1 << 3,
+		CLICK_TO_GO_TO_IN_DISASSEMBLER = 1 << 4
 	};
 
 	u32 m_flags;
 	u32 m_symbol_address_alignment;
+
+	bool m_show_size_column = false;
+	bool m_group_by_module = false;
+	bool m_group_by_section = false;
+	bool m_group_by_source_file = false;
+	bool m_sort_by_if_type_is_known = false;
 };
 
 class FunctionTreeWidget : public SymbolTreeWidget
 {
 	Q_OBJECT
 public:
-	explicit FunctionTreeWidget(DebugInterface& cpu, QWidget* parent = nullptr);
+	explicit FunctionTreeWidget(const DebuggerWidgetParameters& parameters);
 	virtual ~FunctionTreeWidget();
 
 protected:
@@ -151,7 +137,7 @@ class GlobalVariableTreeWidget : public SymbolTreeWidget
 {
 	Q_OBJECT
 public:
-	explicit GlobalVariableTreeWidget(DebugInterface& cpu, QWidget* parent = nullptr);
+	explicit GlobalVariableTreeWidget(const DebuggerWidgetParameters& parameters);
 	virtual ~GlobalVariableTreeWidget();
 
 protected:
@@ -170,7 +156,7 @@ class LocalVariableTreeWidget : public SymbolTreeWidget
 {
 	Q_OBJECT
 public:
-	explicit LocalVariableTreeWidget(DebugInterface& cpu, QWidget* parent = nullptr);
+	explicit LocalVariableTreeWidget(const DebuggerWidgetParameters& parameters);
 	virtual ~LocalVariableTreeWidget();
 
 protected:
@@ -194,7 +180,7 @@ class ParameterVariableTreeWidget : public SymbolTreeWidget
 {
 	Q_OBJECT
 public:
-	explicit ParameterVariableTreeWidget(DebugInterface& cpu, QWidget* parent = nullptr);
+	explicit ParameterVariableTreeWidget(const DebuggerWidgetParameters& parameters);
 	virtual ~ParameterVariableTreeWidget();
 
 protected:
@@ -213,11 +199,3 @@ protected:
 	ccc::FunctionHandle m_function;
 	std::optional<u32> m_caller_stack_pointer;
 };
-
-struct SymbolFilters
-{
-	bool group_by_module = false;
-	bool group_by_section = false;
-	bool group_by_source_file = false;
-	QString string;
-};

pcsx2-qt/Debugger/ThreadModel.cpp

@@ -23,8 +23,13 @@ int ThreadModel::columnCount(const QModelIndex&) const
 
 QVariant ThreadModel::data(const QModelIndex& index, int role) const
 {
-	const auto threads = m_cpu.GetThreadList();
-	auto* const thread = threads.at(index.row()).get();
+	const std::vector<std::unique_ptr<BiosThread>> threads = m_cpu.GetThreadList();
+
+	size_t row = static_cast<size_t>(index.row());
+	if (row >= threads.size())
+		return QVariant();
+
+	const BiosThread* thread = threads[row].get();
 
 	if (role == Qt::DisplayRole)
 	{

pcsx2-qt/Debugger/ThreadWidget.cpp

@@ -0,0 +1,82 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "ThreadWidget.h"
+
+#include "QtUtils.h"
+
+#include <QtGui/QClipboard>
+#include <QtWidgets/QMenu>
+
+ThreadWidget::ThreadWidget(const DebuggerWidgetParameters& parameters)
+	: DebuggerWidget(parameters, NO_DEBUGGER_FLAGS)
+	, m_model(new ThreadModel(cpu()))
+	, m_proxy_model(new QSortFilterProxyModel())
+{
+	m_ui.setupUi(this);
+
+	m_ui.threadList->setContextMenuPolicy(Qt::CustomContextMenu);
+	connect(m_ui.threadList, &QTableView::customContextMenuRequested, this, &ThreadWidget::openContextMenu);
+	connect(m_ui.threadList, &QTableView::doubleClicked, this, &ThreadWidget::onDoubleClick);
+
+	m_proxy_model->setSourceModel(m_model);
+	m_proxy_model->setSortRole(Qt::UserRole);
+	m_ui.threadList->setModel(m_proxy_model);
+	m_ui.threadList->setSortingEnabled(true);
+	m_ui.threadList->sortByColumn(ThreadModel::ThreadColumns::ID, Qt::SortOrder::AscendingOrder);
+	for (std::size_t i = 0; auto mode : ThreadModel::HeaderResizeModes)
+	{
+		m_ui.threadList->horizontalHeader()->setSectionResizeMode(i, mode);
+		i++;
+	}
+
+	receiveEvent<DebuggerEvents::VMUpdate>([this](const DebuggerEvents::VMUpdate& event) -> bool {
+		m_model->refreshData();
+		return true;
+	});
+}
+
+void ThreadWidget::openContextMenu(QPoint pos)
+{
+	if (!m_ui.threadList->selectionModel()->hasSelection())
+		return;
+
+	QMenu* menu = new QMenu(m_ui.threadList);
+	menu->setAttribute(Qt::WA_DeleteOnClose);
+
+	QAction* copy = menu->addAction(tr("Copy"));
+	connect(copy, &QAction::triggered, [this]() {
+		const QItemSelectionModel* selection_model = m_ui.threadList->selectionModel();
+		if (!selection_model->hasSelection())
+			return;
+
+		QGuiApplication::clipboard()->setText(m_model->data(selection_model->currentIndex()).toString());
+	});
+
+	menu->addSeparator();
+
+	QAction* copy_all_as_csv = menu->addAction(tr("Copy all as CSV"));
+	connect(copy_all_as_csv, &QAction::triggered, [this]() {
+		QGuiApplication::clipboard()->setText(QtUtils::AbstractItemModelToCSV(m_ui.threadList->model()));
+	});
+
+	menu->popup(m_ui.threadList->viewport()->mapToGlobal(pos));
+}
+
+void ThreadWidget::onDoubleClick(const QModelIndex& index)
+{
+	switch (index.column())
+	{
+		case ThreadModel::ThreadColumns::ENTRY:
+		{
+			goToInMemoryView(m_model->data(index, Qt::UserRole).toUInt(), true);
+			break;
+		}
+		default: // Default to PC
+		{
+			QModelIndex pc_index = m_model->index(index.row(), ThreadModel::ThreadColumns::PC);
+			goToInDisassembler(m_model->data(pc_index, Qt::UserRole).toUInt(), true);
+			break;
+		}
+	}
+}

pcsx2-qt/Debugger/ThreadWidget.h

@@ -0,0 +1,28 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "ui_ThreadWidget.h"
+
+#include "DebuggerWidget.h"
+#include "ThreadModel.h"
+
+#include <QtCore/QSortFilterProxyModel>
+
+class ThreadWidget final : public DebuggerWidget
+{
+	Q_OBJECT
+
+public:
+	ThreadWidget(const DebuggerWidgetParameters& parameters);
+
+	void openContextMenu(QPoint pos);
+	void onDoubleClick(const QModelIndex& index);
+
+private:
+	Ui::ThreadWidget m_ui;
+
+	ThreadModel* m_model;
+	QSortFilterProxyModel* m_proxy_model;
+};

pcsx2-qt/Debugger/ThreadWidget.ui

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ThreadWidget</class>
+ <widget class="QWidget" name="ThreadWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Threads</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="spacing">
+    <number>0</number>
+   </property>
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="QTableView" name="threadList"/>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

pcsx2-qt/MainWindow.cpp

@@ -12,6 +12,7 @@
 #include "QtHost.h"
 #include "QtUtils.h"
 #include "SettingWidgetBinder.h"
+#include "Debugger/Docking/DockManager.h"
 #include "Settings/AchievementLoginDialog.h"
 #include "Settings/ControllerSettingsWindow.h"
 #include "Settings/GameListSettingsWidget.h"
@@ -112,7 +113,7 @@ MainWindow::MainWindow()
 	//  DisplayWidget.
 	//  Additionally, alien widget rendering is much more performant, so we
 	//  should have a nice responsiveness boost in our UI :)
-	//  QTBUG-133919, reported upstream by govanify 
+	//  QTBUG-133919, reported upstream by govanify
 	QGuiApplication::setAttribute(Qt::AA_NativeWindows, false);
 	QGuiApplication::setAttribute(Qt::AA_DontCreateNativeWidgetSiblings, true);
 
@@ -620,12 +621,7 @@ void MainWindow::quit()
 
 void MainWindow::destroySubWindows()
 {
-	if (m_debugger_window)
-	{
-		m_debugger_window->close();
-		m_debugger_window->deleteLater();
-		m_debugger_window = nullptr;
-	}
+	DebuggerWindow::destroyInstance();
 
 	if (m_controller_settings_window)
 	{
@@ -794,7 +790,7 @@ void MainWindow::onVideoCaptureToggled(bool checked)
 		return;
 	}
 
-	if (s_record_on_start && !s_path_to_recording_for_record_on_start.isEmpty()) 
+	if (s_record_on_start && !s_path_to_recording_for_record_on_start.isEmpty())
 	{
 		// We can't start recording immediately, this is called before full GS init (specifically the fps amount)
 		// and GSCapture ends up unhappy.
@@ -850,12 +846,8 @@ void MainWindow::onAchievementsHardcoreModeChanged(bool enabled)
 	{
 		// If PauseOnEntry is enabled, we prompt the user to disable Hardcore Mode
 		// or cancel the action later, so we should keep the debugger around
-		if (m_debugger_window && !DebugInterface::getPauseOnEntry())
-		{
-			m_debugger_window->close();
-			m_debugger_window->deleteLater();
-			m_debugger_window = nullptr;
-		}
+		if (g_debugger_window && !DebugInterface::getPauseOnEntry())
+			DebuggerWindow::destroyInstance();
 	}
 }
 
@@ -1145,7 +1137,7 @@ bool MainWindow::shouldMouseLock() const
 	if (!Host::GetBoolSettingValue("EmuCore", "EnableMouseLock", false))
 		return false;
 
-	bool windowsHidden = (!m_debugger_window || m_debugger_window->isHidden()) &&
+	bool windowsHidden = (!g_debugger_window || g_debugger_window->isHidden()) &&
 						 (!m_controller_settings_window || m_controller_settings_window->isHidden()) &&
 						 (!m_settings_window || m_settings_window->isHidden());
 
@@ -1435,7 +1427,7 @@ void MainWindow::onGameListEntryContextMenuRequested(const QPoint& point)
 		{
 			connect(action, &QAction::triggered, [entry]() {
 				SettingsWindow::openGamePropertiesDialog(entry,
-					entry->title, entry->serial, entry->crc, entry->type == GameList::EntryType::ELF);
+					entry->title, entry->serial, entry->crc, entry->type == GameList::EntryType::ELF, nullptr);
 			});
 		}
 
@@ -1481,7 +1473,7 @@ void MainWindow::onGameListEntryContextMenuRequested(const QPoint& point)
 				connect(action, &QAction::triggered, [this, entry]() {
 					DebugInterface::setPauseOnEntry(true);
 					startGameListEntry(entry);
-					getDebuggerWindow()->show();
+					DebuggerWindow::getInstance()->show();
 				});
 			}
 
@@ -1639,41 +1631,7 @@ void MainWindow::onViewSystemDisplayTriggered()
 
 void MainWindow::onViewGamePropertiesActionTriggered()
 {
-	if (!s_vm_valid)
-		return;
-
-	// prefer to use a game list entry, if we have one, that way the summary is populated
-	if (!s_current_disc_path.isEmpty() || !s_current_elf_override.isEmpty())
-	{
-		auto lock = GameList::GetLock();
-		const QString& path = (s_current_elf_override.isEmpty() ? s_current_disc_path : s_current_elf_override);
-		const GameList::Entry* entry = GameList::GetEntryForPath(path.toUtf8().constData());
-		if (entry)
-		{
-			SettingsWindow::openGamePropertiesDialog(
-				entry, entry->title, entry->serial, entry->crc, !s_current_elf_override.isEmpty());
-			return;
-		}
-	}
-
-	// open properties for the current running file (isn't in the game list)
-	if (s_current_disc_crc == 0)
-	{
-		QMessageBox::critical(this, tr("Game Properties"), tr("Game properties is unavailable for the current game."));
-		return;
-	}
-
-	// can't use serial for ELFs, because they might have a disc set
-	if (s_current_elf_override.isEmpty())
-	{
-		SettingsWindow::openGamePropertiesDialog(
-			nullptr, s_current_title.toStdString(), s_current_disc_serial.toStdString(), s_current_disc_crc, false);
-	}
-	else
-	{
-		SettingsWindow::openGamePropertiesDialog(
-			nullptr, s_current_title.toStdString(), std::string(), s_current_disc_crc, true);
-	}
+	doGameSettings(nullptr);
 }
 
 void MainWindow::onGitHubRepositoryActionTriggered()
@@ -1819,36 +1777,11 @@ void MainWindow::onCreateMemoryCardOpenRequested()
 
 void MainWindow::updateTheme()
 {
-	// The debugger hates theme changes.
-	// We have unfortunately to destroy it and recreate it.
-	const bool debugger_is_open = m_debugger_window ? m_debugger_window->isVisible() : false;
-	const QSize debugger_size = m_debugger_window ? m_debugger_window->size() : QSize();
-	const QPoint debugger_pos = m_debugger_window ? m_debugger_window->pos() : QPoint();
-	if (m_debugger_window)
-	{
-		if (QMessageBox::question(this, tr("Theme Change"),
-				tr("Changing the theme will close the debugger window. Any unsaved data will be lost. Do you want to continue?"),
-				QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)
-		{
-			return;
-		}
-	}
-
 	QtHost::UpdateApplicationTheme();
 	reloadThemeSpecificImages();
 
-	if (m_debugger_window)
-	{
-		m_debugger_window->deleteLater();
-		m_debugger_window = nullptr;
-		getDebuggerWindow(); // populates m_debugger_window
-		m_debugger_window->resize(debugger_size);
-		m_debugger_window->move(debugger_pos);
-		if (debugger_is_open)
-		{
-			m_debugger_window->show();
-		}
-	}
+	if (g_debugger_window)
+		g_debugger_window->updateStyleSheets();
 }
 
 void MainWindow::reloadThemeSpecificImages()
@@ -2663,13 +2596,12 @@ QWidget* MainWindow::getDisplayContainer() const
 
 void MainWindow::setupMouseMoveHandler()
 {
-	auto mouse_cb_fn = [](int x, int y)
-	{
-		if(g_main_window)
+	auto mouse_cb_fn = [](int x, int y) {
+		if (g_main_window)
 			g_main_window->checkMousePosition(x, y);
 	};
-	
-	if(!Common::AttachMousePositionCb(mouse_cb_fn))
+
+	if (!Common::AttachMousePositionCb(mouse_cb_fn))
 	{
 		Console.Warning("Unable to setup mouse position cb!");
 	}
@@ -2779,18 +2711,48 @@ void MainWindow::doSettings(const char* category /* = nullptr */)
 		dlg->setCategory(category);
 }
 
-DebuggerWindow* MainWindow::getDebuggerWindow()
+void MainWindow::doGameSettings(const char* category)
 {
-	if (!m_debugger_window)
-		// Don't pass us (this) as the parent, otherwise the window is always on top of the mainwindow (on windows at least)
-		m_debugger_window = new DebuggerWindow(nullptr);
+	if (!s_vm_valid)
+		return;
 
-	return m_debugger_window;
+	// prefer to use a game list entry, if we have one, that way the summary is populated
+	if (!s_current_disc_path.isEmpty() || !s_current_elf_override.isEmpty())
+	{
+		auto lock = GameList::GetLock();
+		const QString& path = (s_current_elf_override.isEmpty() ? s_current_disc_path : s_current_elf_override);
+		const GameList::Entry* entry = GameList::GetEntryForPath(path.toUtf8().constData());
+		if (entry)
+		{
+			SettingsWindow::openGamePropertiesDialog(
+				entry, entry->title, entry->serial, entry->crc, !s_current_elf_override.isEmpty(), category);
+			return;
+		}
+	}
+
+	// open properties for the current running file (isn't in the game list)
+	if (s_current_disc_crc == 0)
+	{
+		QMessageBox::critical(this, tr("Game Properties"), tr("Game properties is unavailable for the current game."));
+		return;
+	}
+
+	// can't use serial for ELFs, because they might have a disc set
+	if (s_current_elf_override.isEmpty())
+	{
+		SettingsWindow::openGamePropertiesDialog(
+			nullptr, s_current_title.toStdString(), s_current_disc_serial.toStdString(), s_current_disc_crc, false, category);
+	}
+	else
+	{
+		SettingsWindow::openGamePropertiesDialog(
+			nullptr, s_current_title.toStdString(), std::string(), s_current_disc_crc, true, category);
+	}
 }
 
 void MainWindow::openDebugger()
 {
-	DebuggerWindow* dwnd = getDebuggerWindow();
+	DebuggerWindow* dwnd = DebuggerWindow::getInstance();
 	dwnd->isVisible() ? dwnd->activateWindow() : dwnd->show();
 }
 

pcsx2-qt/MainWindow.h

@@ -103,6 +103,9 @@ public:
 	/// Rescans a single file. NOTE: Happens on UI thread.
 	void rescanFile(const std::string& path);
 
+	void doSettings(const char* category = nullptr);
+	void doGameSettings(const char* category = nullptr);
+
 	void openDebugger();
 	void checkMousePosition(int x, int y);
 public Q_SLOTS:
@@ -255,13 +258,10 @@ private:
 	void updateDisplayWidgetCursor();
 
 	SettingsWindow* getSettingsWindow();
-	void doSettings(const char* category = nullptr);
 
 	InputRecordingViewer* getInputRecordingViewer();
 	void updateInputRecordingActions(bool started);
 
-	DebuggerWindow* getDebuggerWindow();
-
 	void doControllerSettings(ControllerSettingsWindow::Category category = ControllerSettingsWindow::Category::Count);
 
 	QString getDiscDevicePath(const QString& title);
@@ -291,8 +291,6 @@ private:
 	InputRecordingViewer* m_input_recording_viewer = nullptr;
 	AutoUpdaterDialog* m_auto_updater_dialog = nullptr;
 
-	DebuggerWindow* m_debugger_window = nullptr;
-
 	QProgressBar* m_status_progress_widget = nullptr;
 	QLabel* m_status_verbose_widget = nullptr;
 	QLabel* m_status_renderer_widget = nullptr;

pcsx2-qt/QtHost.cpp

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-3.0+
 
 #include "AutoUpdaterDialog.h"
+#include "Debugger/DebuggerWindow.h"
 #include "DisplayWidget.h"
 #include "GameList/GameListWidget.h"
 #include "LogWindow.h"
@@ -1064,12 +1065,12 @@ void EmuThread::updatePerformanceMetrics(bool force)
 				Q_ARG(const QString&, tr("VPS: %1 ").arg(vfps, 0, 'f', 0)));
 			m_last_video_fps = vfps;
 
-		if (speed != m_last_speed || force)
-		{
-			QMetaObject::invokeMethod(g_main_window->getStatusSpeedWidget(), "setText", Qt::QueuedConnection,
-				Q_ARG(const QString&, tr("Speed: %1% ").arg(speed, 0, 'f', 0)));
-			m_last_speed = speed;
-		}
+			if (speed != m_last_speed || force)
+			{
+				QMetaObject::invokeMethod(g_main_window->getStatusSpeedWidget(), "setText", Qt::QueuedConnection,
+					Q_ARG(const QString&, tr("Speed: %1% ").arg(speed, 0, 'f', 0)));
+				m_last_speed = speed;
+			}
 		}
 	}
 }
@@ -1724,57 +1725,58 @@ void Host::SetMouseMode(bool relative_mode, bool hide_cursor)
 	emit g_emu_thread->onMouseModeRequested(relative_mode, hide_cursor);
 }
 
-namespace {
-class QtHostProgressCallback final : public BaseProgressCallback
+namespace
 {
-public:
-	QtHostProgressCallback();
-	~QtHostProgressCallback() override;
-
-	__fi const std::string& GetName() const { return m_name; }
-
-	void PushState() override;
-	void PopState() override;
-
-	bool IsCancelled() const override;
-
-	void SetCancellable(bool cancellable) override;
-	void SetTitle(const char* title) override;
-	void SetStatusText(const char* text) override;
-	void SetProgressRange(u32 range) override;
-	void SetProgressValue(u32 value) override;
-
-	void DisplayError(const char* message) override;
-	void DisplayWarning(const char* message) override;
-	void DisplayInformation(const char* message) override;
-	void DisplayDebugMessage(const char* message) override;
-
-	void ModalError(const char* message) override;
-	bool ModalConfirmation(const char* message) override;
-	void ModalInformation(const char* message) override;
-
-	void SetCancelled();
-
-private:
-	struct SharedData
+	class QtHostProgressCallback final : public BaseProgressCallback
 	{
-		QProgressDialog* dialog = nullptr;
-		QString init_title;
-		QString init_status_text;
-		std::atomic_bool cancelled{false};
-		bool cancellable = true;
-		bool was_fullscreen = false;
+	public:
+		QtHostProgressCallback();
+		~QtHostProgressCallback() override;
+
+		__fi const std::string& GetName() const { return m_name; }
+
+		void PushState() override;
+		void PopState() override;
+
+		bool IsCancelled() const override;
+
+		void SetCancellable(bool cancellable) override;
+		void SetTitle(const char* title) override;
+		void SetStatusText(const char* text) override;
+		void SetProgressRange(u32 range) override;
+		void SetProgressValue(u32 value) override;
+
+		void DisplayError(const char* message) override;
+		void DisplayWarning(const char* message) override;
+		void DisplayInformation(const char* message) override;
+		void DisplayDebugMessage(const char* message) override;
+
+		void ModalError(const char* message) override;
+		bool ModalConfirmation(const char* message) override;
+		void ModalInformation(const char* message) override;
+
+		void SetCancelled();
+
+	private:
+		struct SharedData
+		{
+			QProgressDialog* dialog = nullptr;
+			QString init_title;
+			QString init_status_text;
+			std::atomic_bool cancelled{false};
+			bool cancellable = true;
+			bool was_fullscreen = false;
+		};
+
+		void EnsureHasData();
+		static void EnsureDialogVisible(const std::shared_ptr<SharedData>& data);
+		void Redraw(bool force);
+
+		std::string m_name;
+		std::shared_ptr<SharedData> m_data;
+		int m_last_progress_percent = -1;
 	};
-
-	void EnsureHasData();
-	static void EnsureDialogVisible(const std::shared_ptr<SharedData>& data);
-	void Redraw(bool force);
-
-	std::string m_name;
-	std::shared_ptr<SharedData> m_data;
-	int m_last_progress_percent = -1;
-};
-}
+} // namespace
 
 QtHostProgressCallback::QtHostProgressCallback()
 	: BaseProgressCallback()
@@ -1829,7 +1831,7 @@ void QtHostProgressCallback::SetTitle(const char* title)
 void QtHostProgressCallback::SetStatusText(const char* text)
 {
 	BaseProgressCallback::SetStatusText(text);
-	
+
 	EnsureHasData();
 	QtHost::RunOnUIThread([data = m_data, text = QString::fromUtf8(text)]() {
 		if (data->dialog)
@@ -2384,9 +2386,9 @@ int main(int argc, char* argv[])
 	if (s_start_fullscreen_ui)
 		g_emu_thread->startFullscreenUI(s_start_fullscreen_ui_fullscreen);
 
-	if (s_boot_and_debug)
+	if (s_boot_and_debug || DebuggerWindow::shouldShowOnStartup())
 	{
-		DebugInterface::setPauseOnEntry(true);
+		DebugInterface::setPauseOnEntry(s_boot_and_debug);
 		g_main_window->openDebugger();
 	}
 

pcsx2-qt/QtHost.h

@@ -114,7 +114,7 @@ public Q_SLOTS:
 	void endCapture();
 	void setAudioOutputVolume(int volume, int fast_forward_volume);
 	void setAudioOutputMuted(bool muted);
-	
+
 Q_SIGNALS:
 	bool messageConfirmed(const QString& title, const QString& message);
 	void statusMessage(const QString& message);

pcsx2-qt/QtUtils.cpp

@@ -5,6 +5,7 @@
 
 #include <QtCore/QCoreApplication>
 #include <QtCore/QFileInfo>
+#include <QtCore/QtGlobal>
 #include <QtCore/QMetaObject>
 #include <QtGui/QAction>
 #include <QtGui/QGuiApplication>
@@ -25,6 +26,10 @@
 #include <QtWidgets/QTableView>
 #include <QtWidgets/QTreeView>
 
+#ifdef Q_OS_LINUX
+#include <QtGui/private/qtx11extras_p.h>
+#endif
+
 #include <algorithm>
 #include <array>
 #include <map>
@@ -351,4 +356,22 @@ namespace QtUtils
 		}
 		return csv;
 	}
+
+	bool IsLightTheme(const QPalette& palette)
+	{
+		return palette.text().color().lightnessF() < 0.5;
+	}
+
+	bool IsCompositorManagerRunning()
+	{
+		if (qEnvironmentVariableIsSet("PCSX2_NO_COMPOSITING"))
+			return false;
+
+#ifdef Q_OS_LINUX
+		if (QX11Info::isPlatformX11() && !QX11Info::isCompositingManagerRunning())
+			return false;
+#endif
+
+		return true;
+	}
 } // namespace QtUtils

pcsx2-qt/QtUtils.h

@@ -97,4 +97,9 @@ namespace QtUtils
 
 	/// Converts an abstract item model to a CSV string.
 	QString AbstractItemModelToCSV(QAbstractItemModel* model, int role = Qt::DisplayRole, bool useQuotes = false);
+
+	// Heuristic to check if the current theme is a light or dark theme.
+	bool IsLightTheme(const QPalette& palette);
+
+	bool IsCompositorManagerRunning();
 } // namespace QtUtils

pcsx2-qt/Settings/DebugAnalysisSettingsWidget.h

@@ -7,7 +7,6 @@
 #include "Config.h"
 
 #include <QtGui/QStandardItemModel>
-#include <QtWidgets/QDialog>
 
 class SettingsWindow;
 

pcsx2-qt/Settings/DebugSettingsWidget.cpp

@@ -3,6 +3,7 @@
 
 #include "DebugSettingsWidget.h"
 
+#include "DebugUserInterfaceSettingsWidget.h"
 #include "DebugAnalysisSettingsWidget.h"
 #include "QtUtils.h"
 #include "SettingWidgetBinder.h"
@@ -20,6 +21,20 @@ DebugSettingsWidget::DebugSettingsWidget(SettingsWindow* dialog, QWidget* parent
 
 	m_ui.setupUi(this);
 
+	//////////////////////////////////////////////////////////////////////////
+	// User Interface Settings
+	//////////////////////////////////////////////////////////////////////////
+	if (!dialog->isPerGameSettings())
+	{
+		m_user_interface_settings = new DebugUserInterfaceSettingsWidget(dialog);
+		m_ui.userInterfaceTabWidget->setLayout(new QVBoxLayout());
+		m_ui.userInterfaceTabWidget->layout()->addWidget(m_user_interface_settings);
+	}
+	else
+	{
+		m_ui.debugTabs->removeTab(m_ui.debugTabs->indexOf(m_ui.userInterfaceTabWidget));
+	}
+
 	//////////////////////////////////////////////////////////////////////////
 	// Analysis Settings
 	//////////////////////////////////////////////////////////////////////////
@@ -141,9 +156,9 @@ DebugSettingsWidget::DebugSettingsWidget(SettingsWindow* dialog, QWidget* parent
 	connect(m_ui.chkEnable, &QCheckBox::checkStateChanged, this, &DebugSettingsWidget::onLoggingEnableChanged);
 	onLoggingEnableChanged();
 
-	#else
-		m_ui.debugTabs->removeTab(m_ui.debugTabs->indexOf(m_ui.traceLogTabWidget));
-	#endif
+#else
+	m_ui.debugTabs->removeTab(m_ui.debugTabs->indexOf(m_ui.traceLogTabWidget));
+#endif
 }
 
 DebugSettingsWidget::~DebugSettingsWidget() = default;

pcsx2-qt/Settings/DebugSettingsWidget.h

@@ -8,6 +8,7 @@
 #include "ui_DebugSettingsWidget.h"
 
 class SettingsWindow;
+class DebugUserInterfaceSettingsWidget;
 class DebugAnalysisSettingsWidget;
 
 class DebugSettingsWidget : public QWidget
@@ -26,6 +27,8 @@ private Q_SLOTS:
 
 private:
 	SettingsWindow* m_dialog;
+
+	DebugUserInterfaceSettingsWidget* m_user_interface_settings;
 	DebugAnalysisSettingsWidget* m_analysis_settings;
 
 	Ui::DebugSettingsWidget m_ui;

pcsx2-qt/Settings/DebugSettingsWidget.ui

@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>527</width>
+    <width>647</width>
     <height>501</height>
    </rect>
   </property>
@@ -31,6 +31,11 @@
      <property name="documentMode">
       <bool>true</bool>
      </property>
+     <widget class="QWidget" name="userInterfaceTabWidget">
+      <attribute name="title">
+       <string>User Interface</string>
+      </attribute>
+     </widget>
      <widget class="QWidget" name="analysisTabWidget">
       <attribute name="title">
        <string>Analysis</string>
@@ -58,8 +63,8 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>523</width>
-            <height>464</height>
+            <width>645</width>
+            <height>469</height>
            </rect>
           </property>
           <layout class="QVBoxLayout" name="verticalLayout_4">
@@ -196,18 +201,18 @@
              </widget>
             </item>
             <item row="3" column="0">
-              <widget class="QCheckBox" name="saveAlpha">
-                <property name="text">
-                 <string>Save Alpha</string>
-                </property>
-              </widget>
+             <widget class="QCheckBox" name="saveAlpha">
+              <property name="text">
+               <string>Save Alpha</string>
+              </property>
+             </widget>
             </item>
             <item row="3" column="1">
-              <widget class="QCheckBox" name="saveInfo">
-                <property name="text">
-                 <string>Save Info</string>
-                </property>
-              </widget>
+             <widget class="QCheckBox" name="saveInfo">
+              <property name="text">
+               <string>Save Info</string>
+              </property>
+             </widget>
             </item>
            </layout>
           </item>

pcsx2-qt/Settings/DebugUserInterfaceSettingsWidget.cpp

@@ -0,0 +1,50 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "DebugUserInterfaceSettingsWidget.h"
+
+#include "SettingWidgetBinder.h"
+
+static const char* s_drop_indicators[] = {
+	QT_TRANSLATE_NOOP("DebugUserInterfaceSettingsWidget", "Classic"),
+	QT_TRANSLATE_NOOP("DebugUserInterfaceSettingsWidget", "Segmented"),
+	QT_TRANSLATE_NOOP("DebugUserInterfaceSettingsWidget", "Minimalistic"),
+	nullptr,
+};
+
+DebugUserInterfaceSettingsWidget::DebugUserInterfaceSettingsWidget(SettingsWindow* dialog, QWidget* parent)
+	: QWidget(parent)
+{
+	SettingsInterface* sif = dialog->getSettingsInterface();
+
+	m_ui.setupUi(this);
+
+	SettingWidgetBinder::BindWidgetToBoolSetting(
+		sif, m_ui.showOnStartupCheckBox, "Debugger/UserInterface", "ShowOnStartup", false);
+
+	dialog->registerWidgetHelp(
+		m_ui.showOnStartupCheckBox, tr("Show On Startup"), tr("Unchecked"),
+		tr("Open the debugger window automatically when PCSX2 starts."));
+
+	SettingWidgetBinder::BindWidgetToBoolSetting(
+		sif, m_ui.saveWindowGeometryCheckBox, "Debugger/UserInterface", "SaveWindowGeometry", true);
+
+	dialog->registerWidgetHelp(
+		m_ui.saveWindowGeometryCheckBox, tr("Save Window Geometry"), tr("Checked"),
+		tr("Save the position and size of the debugger window when it is closed so that it can be restored later."));
+
+	SettingWidgetBinder::BindWidgetToEnumSetting(
+		sif,
+		m_ui.dropIndicatorCombo,
+		"Debugger/UserInterface",
+		"DropIndicatorStyle",
+		s_drop_indicators,
+		s_drop_indicators,
+		s_drop_indicators[0],
+		"DebugUserInterfaceSettingsWidget");
+
+	dialog->registerWidgetHelp(
+		m_ui.dropIndicatorCombo, tr("Drop Indicator Style"), tr("Classic"),
+		tr("Choose how the drop indicators that appear when you drag dock windows in the debugger are styled. "
+		   "You will have to restart the debugger for this option to take effect."));
+}

pcsx2-qt/Settings/DebugUserInterfaceSettingsWidget.h

@@ -0,0 +1,19 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "ui_DebugUserInterfaceSettingsWidget.h"
+
+class SettingsWindow;
+
+class DebugUserInterfaceSettingsWidget : public QWidget
+{
+	Q_OBJECT
+
+public:
+	DebugUserInterfaceSettingsWidget(SettingsWindow* dialog, QWidget* parent = nullptr);
+
+private:
+	Ui::DebugUserInterfaceSettingsWidget m_ui;
+};

pcsx2-qt/Settings/DebugUserInterfaceSettingsWidget.ui

@@ -0,0 +1,106 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>DebugUserInterfaceSettingsWidget</class>
+ <widget class="QWidget" name="DebugUserInterfaceSettingsWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>500</width>
+    <height>750</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string/>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout_2">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="QGroupBox" name="windowGroup">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="title">
+      <string>Debugger Window</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout_3">
+      <item row="0" column="1">
+       <widget class="QCheckBox" name="saveWindowGeometryCheckBox">
+        <property name="text">
+         <string>Save Window Geometry</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="0">
+       <widget class="QCheckBox" name="showOnStartupCheckBox">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="text">
+         <string>Show On Startup</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QGroupBox" name="dockingGroup">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="title">
+      <string>Docking</string>
+     </property>
+     <layout class="QFormLayout" name="formLayout">
+      <item row="0" column="0">
+       <widget class="QLabel" name="dropIndicatorLabel">
+        <property name="text">
+         <string>Drop Indicator Style</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <widget class="QComboBox" name="dropIndicatorCombo"/>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

pcsx2-qt/Settings/GraphicsSettingsWidget.cpp

@@ -100,7 +100,7 @@ GraphicsSettingsWidget::GraphicsSettingsWidget(SettingsWindow* dialog, QWidget*
 		sif, m_ui.screenshotSize, "EmuCore/GS", "ScreenshotSize", static_cast<int>(GSScreenshotSize::WindowResolution));
 	SettingWidgetBinder::BindWidgetToIntSetting(
 		sif, m_ui.screenshotFormat, "EmuCore/GS", "ScreenshotFormat", static_cast<int>(GSScreenshotFormat::PNG));
-	SettingWidgetBinder::BindWidgetToIntSetting(sif, m_ui.screenshotQuality, "EmuCore/GS", "ScreenshotQuality", 50);
+	SettingWidgetBinder::BindWidgetToIntSetting(sif, m_ui.screenshotQuality, "EmuCore/GS", "ScreenshotQuality", 90);
 	SettingWidgetBinder::BindWidgetToFloatSetting(sif, m_ui.stretchY, "EmuCore/GS", "StretchY", 100.0f);
 	SettingWidgetBinder::BindWidgetToIntSetting(sif, m_ui.cropLeft, "EmuCore/GS", "CropLeft", 0);
 	SettingWidgetBinder::BindWidgetToIntSetting(sif, m_ui.cropTop, "EmuCore/GS", "CropTop", 0);
@@ -515,8 +515,8 @@ GraphicsSettingsWidget::GraphicsSettingsWidget(SettingsWindow* dialog, QWidget*
 		dialog->registerWidgetHelp(m_ui.screenshotFormat, tr("Screenshot Format"), tr("PNG"),
 			tr("Selects the format which will be used to save screenshots. JPEG produces smaller files, but loses detail."));
 
-		dialog->registerWidgetHelp(m_ui.screenshotQuality, tr("Screenshot Quality"), tr("50%"),
-			tr("Selects the quality at which screenshots will be compressed. Higher values preserve more detail for JPEG, and reduce file "
+		dialog->registerWidgetHelp(m_ui.screenshotQuality, tr("Screenshot Quality"), tr("90%"),
+			tr("Selects the quality at which screenshots will be compressed. Higher values preserve more detail for JPEG and WebP, and reduce file "
 			   "size for PNG."));
 
 		dialog->registerWidgetHelp(m_ui.stretchY, tr("Vertical Stretch"), tr("100%"),

pcsx2-qt/Settings/InputBindingDialog.cpp

@@ -375,7 +375,7 @@ void InputBindingDialog::ReloadBindNames()
 {
 	m_bindings_ui.clear();
 	m_bindings_ui.reserve(m_bindings_settings.size());
-	for (int i = 0; i < m_bindings_settings.size(); i++)
+	for (size_t i = 0; i < m_bindings_settings.size(); i++)
 	{
 		SmallString binding{std::string_view{m_bindings_settings[i]}};
 		InputManager::PrettifyInputBinding(binding, false);