From 51b0cda5ea67da758a9beb821359d5b2ae68c81c Mon Sep 17 00:00:00 2001
From: 7oxicshadow <7oxicshadow@googlemail.com>
Date: Mon, 16 Oct 2023 06:44:51 +0100
Subject: [PATCH] ui: Remember debug video size, position and state across
 restarts

---
 config_spec.yml | 20 ++++++++++++++++++++
 ui/xui/debug.cc | 39 +++++++++++++++++++++++++++++++++++++--
 ui/xui/debug.hh |  3 +++
 3 files changed, 60 insertions(+), 2 deletions(-)

diff --git a/config_spec.yml b/config_spec.yml
index b609bf859e..cae05c17ec 100644
--- a/config_spec.yml
+++ b/config_spec.yml
@@ -156,6 +156,26 @@ display:
     auto_scale:
       type: bool
       default: true
+  debug:
+    video:
+      transparency:
+        type: bool
+        default: false
+      x_pos:
+        type: number
+        default: 100.0
+      y_pos:
+        type: number
+        default: 100.0
+      x_winsize:
+        type: number
+        default: 600.0
+      y_winsize:
+        type: number
+        default: 150.0
+      advanced_tree_state:
+        type: bool
+        default: false
 
 audio:
   use_dsp: bool
diff --git a/ui/xui/debug.cc b/ui/xui/debug.cc
index f44c1af790..2d11eea2ed 100644
--- a/ui/xui/debug.cc
+++ b/ui/xui/debug.cc
@@ -230,6 +230,9 @@ DebugVideoWindow::DebugVideoWindow()
 {
     m_is_open = false;
     m_transparent = false;
+    m_position_restored = false;
+    m_resize_init_complete = false;
+    m_prev_scale = g_viewport_mgr.m_scale;
 }
 
 void DebugVideoWindow::Draw()
@@ -237,9 +240,25 @@ void DebugVideoWindow::Draw()
     if (!m_is_open)
         return;
 
+    if (!m_position_restored) {
+        ImGui::SetNextWindowPos(ImVec2(g_config.display.debug.video.x_pos,
+                                       g_config.display.debug.video.y_pos),
+                                ImGuiCond_Once, ImVec2(0, 0));
+        m_transparent = g_config.display.debug.video.transparency;
+        m_position_restored = true;
+    }
+
     float alpha = m_transparent ? 0.2 : 1.0;
     PushWindowTransparencySettings(m_transparent, 0.2);
-    ImGui::SetNextWindowSize(ImVec2(600.0f*g_viewport_mgr.m_scale, 150.0f*g_viewport_mgr.m_scale), ImGuiCond_Once);
+
+    if (!m_resize_init_complete || (g_viewport_mgr.m_scale != m_prev_scale)) {
+        ImGui::SetNextWindowSize(ImVec2(
+            g_config.display.debug.video.x_winsize * g_viewport_mgr.m_scale,
+            g_config.display.debug.video.y_winsize * g_viewport_mgr.m_scale));
+        m_resize_init_complete = true;
+    }
+    m_prev_scale = g_viewport_mgr.m_scale;
+
     if (ImGui::Begin("Video Debug", &m_is_open)) {
         double x_start, x_end;
         static ImPlotAxisFlags rt_axis = ImPlotAxisFlags_NoTickLabels;
@@ -287,7 +306,12 @@ void DebugVideoWindow::Draw()
         }
         ImPlot::PopStyleColor();
 
-        if (ImGui::TreeNode("Advanced")) {
+        ImGui::SetNextItemOpen(g_config.display.debug.video.advanced_tree_state,
+                               ImGuiCond_Once);
+        g_config.display.debug.video.advanced_tree_state =
+            ImGui::TreeNode("Advanced");
+
+        if (g_config.display.debug.video.advanced_tree_state) {
             ImGui::SetNextWindowBgAlpha(alpha);
             if (ImPlot::BeginPlot("##ScrollingDraws", ImVec2(-1,-1))) {
                 ImPlot::SetupAxes(NULL, NULL, ImPlotAxisFlags_None, ImPlotAxisFlags_AutoFit);
@@ -326,6 +350,17 @@ void DebugVideoWindow::Draw()
         }
 
         ImPlot::PopStyleVar(2);
+
+        ImVec2 debug_window_pos = ImGui::GetWindowPos();
+        g_config.display.debug.video.x_pos = debug_window_pos.x;
+        g_config.display.debug.video.y_pos = debug_window_pos.y;
+
+        ImVec2 debug_window_size = ImGui::GetWindowSize();
+        g_config.display.debug.video.x_winsize =
+            debug_window_size.x / g_viewport_mgr.m_scale;
+        g_config.display.debug.video.y_winsize =
+            debug_window_size.y / g_viewport_mgr.m_scale;
+        g_config.display.debug.video.transparency = m_transparent;
     }
     ImGui::End();
     ImGui::PopStyleColor(5);
diff --git a/ui/xui/debug.hh b/ui/xui/debug.hh
index 92671dceff..056deaae6f 100644
--- a/ui/xui/debug.hh
+++ b/ui/xui/debug.hh
@@ -31,6 +31,9 @@ class DebugVideoWindow
 public:
     bool m_is_open;
     bool m_transparent;
+    bool m_position_restored;
+    bool m_resize_init_complete;
+    float m_prev_scale;
 
     DebugVideoWindow();
     void Draw();