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ppsspp/Windows/Debugger/CtrlMemView.cpp

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#include <cctype>
#include <tchar.h>
#include <cmath>
#include <iomanip>
#include <sstream>
#include "ext/xxhash.h"
#include "Common/StringUtils.h"
#include "Core/Config.h"
#include "Core/MemMap.h"
#include "Core/Reporting.h"
#include "Core/RetroAchievements.h"
#include "Windows/W32Util/ContextMenu.h"
#include "Windows/W32Util/Misc.h"
#include "Windows/InputBox.h"
#include "Windows/main.h"
#include "Windows/resource.h"
#include "Common/System/Display.h"
#include "Debugger_Disasm.h"
#include "DebuggerShared.h"
#include "CtrlMemView.h"
#include "DumpMemoryWindow.h"
wchar_t CtrlMemView::szClassName[] = L"CtrlMemView";
static constexpr UINT_PTR IDT_REDRAW_DELAYED = 0xC0DE0001;
static constexpr UINT REDRAW_DELAY = 1000 / 60;
// We also redraw regularly, since data changes during runtime.
static constexpr UINT_PTR IDT_REDRAW_AUTO = 0xC0DE0002;
static constexpr UINT REDRAW_INTERVAL = 1000;
CtrlMemView::CtrlMemView(HWND _wnd) {
wnd=_wnd;
SetWindowLongPtr(wnd, GWLP_USERDATA, (LONG_PTR)this);
SetWindowLong(wnd, GWL_STYLE, GetWindowLong(wnd,GWL_STYLE) | WS_VSCROLL);
SetScrollRange(wnd, SB_VERT, -1,1,TRUE);
const float fontScale = 1.0f / g_display.dpi_scale_real_y;
charWidth_ = g_Config.iFontWidth * fontScale;
rowHeight_ = g_Config.iFontHeight * fontScale;
offsetPositionY_ = offsetLine * rowHeight_;
font = CreateFont(rowHeight_, charWidth_, 0, 0,
FW_DONTCARE, FALSE, FALSE, FALSE, DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH,
L"Lucida Console");
underlineFont = CreateFont(rowHeight_, charWidth_, 0, 0,
FW_DONTCARE, FALSE, TRUE, FALSE, DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH,
L"Lucida Console");
windowStart_ = curAddress_;
selectRangeStart_ = curAddress_;
selectRangeEnd_ = curAddress_ + 1;
lastSelectReset_ = curAddress_;
addressStartX_ = charWidth_;
hexStartX_ = addressStartX_ + 9 * charWidth_;
asciiStartX_ = hexStartX_ + (rowSize_ * 3 + 1) * charWidth_;
// set redraw timer
SetTimer(wnd, IDT_REDRAW_AUTO, REDRAW_INTERVAL, nullptr);
}
CtrlMemView::~CtrlMemView() {
DeleteObject(font);
DeleteObject(underlineFont);
}
void CtrlMemView::init() {
WNDCLASSEX wc;
wc.cbSize = sizeof(wc);
wc.lpszClassName = szClassName;
wc.hInstance = GetModuleHandle(0);
wc.lpfnWndProc = CtrlMemView::wndProc;
wc.hCursor = LoadCursor (NULL, IDC_ARROW);
wc.hIcon = 0;
wc.lpszMenuName = 0;
wc.hbrBackground = (HBRUSH)GetSysColorBrush(COLOR_WINDOW);
wc.style = 0;
wc.cbClsExtra = 0;
wc.cbWndExtra = sizeof( CtrlMemView * );
wc.hIconSm = 0;
RegisterClassEx(&wc);
}
void CtrlMemView::deinit() {
//UnregisterClass(szClassName, hInst)
}
LRESULT CALLBACK CtrlMemView::wndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
CtrlMemView *ccp = CtrlMemView::getFrom(hwnd);
static bool lmbDown=false,rmbDown=false;
switch(msg) {
case WM_NCCREATE:
// Allocate a new CustCtrl structure for this window.
ccp = new CtrlMemView(hwnd);
// Continue with window creation.
return ccp != NULL;
// Clean up when the window is destroyed.
case WM_NCDESTROY:
delete ccp;
break;
case WM_SETFONT:
break;
case WM_SIZE:
ccp->redraw();
break;
case WM_PAINT:
ccp->onPaint(wParam,lParam);
break;
case WM_VSCROLL:
ccp->onVScroll(wParam,lParam);
break;
case WM_MOUSEWHEEL:
if (GET_WHEEL_DELTA_WPARAM(wParam) > 0) {
ccp->ScrollWindow(-3, GotoModeFromModifiers(false));
} else if (GET_WHEEL_DELTA_WPARAM(wParam) < 0) {
ccp->ScrollWindow(3, GotoModeFromModifiers(false));
}
break;
case WM_ERASEBKGND:
return FALSE;
case WM_KEYDOWN:
ccp->onKeyDown(wParam,lParam);
return 0;
case WM_CHAR:
ccp->onChar(wParam,lParam);
return 0;
case WM_KEYUP:
return 0;
case WM_LBUTTONDOWN: SetFocus(hwnd); lmbDown=true; ccp->onMouseDown(wParam,lParam,1); break;
case WM_RBUTTONDOWN: SetFocus(hwnd); rmbDown=true; ccp->onMouseDown(wParam,lParam,2); break;
case WM_MOUSEMOVE: ccp->onMouseMove(wParam,lParam,(lmbDown?1:0) | (rmbDown?2:0)); break;
case WM_LBUTTONUP: lmbDown=false; ccp->onMouseUp(wParam,lParam,1); break;
case WM_RBUTTONUP: rmbDown=false; ccp->onMouseUp(wParam,lParam,2); break;
case WM_SETFOCUS:
SetFocus(hwnd);
ccp->hasFocus_ = true;
ccp->redraw();
break;
case WM_KILLFOCUS:
ccp->hasFocus_ = false;
ccp->redraw();
break;
case WM_GETDLGCODE: // we want to process the arrow keys and all characters ourselves
return DLGC_WANTARROWS|DLGC_WANTCHARS|DLGC_WANTTAB;
break;
case WM_TIMER:
// This is actually delayed too, using another timer. That way we won't update twice.
if (wParam == IDT_REDRAW_AUTO && IsWindowVisible(ccp->wnd))
ccp->redraw();
if (wParam == IDT_REDRAW_DELAYED) {
InvalidateRect(hwnd, nullptr, FALSE);
UpdateWindow(hwnd);
ccp->redrawScheduled_ = false;
KillTimer(hwnd, wParam);
}
break;
default:
break;
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
CtrlMemView *CtrlMemView::getFrom(HWND hwnd) {
return (CtrlMemView *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
}
void CtrlMemView::onPaint(WPARAM wParam, LPARAM lParam) {
if (Achievements::HardcoreModeActive())
return;
auto memLock = Memory::Lock();
// draw to a bitmap for double buffering
PAINTSTRUCT ps;
HDC actualHdc = BeginPaint(wnd, &ps);
HDC hdc = CreateCompatibleDC(actualHdc);
HBITMAP hBM = CreateCompatibleBitmap(actualHdc, rect_.right - rect_.left, rect_.bottom - rect_.top);
SelectObject(hdc, hBM);
SetBkMode(hdc,OPAQUE);
HPEN standardPen = CreatePen(0,0,0xFFFFFF);
HBRUSH standardBrush = CreateSolidBrush(0xFFFFFF);
COLORREF standardBG = GetBkColor(hdc);
HPEN oldPen = (HPEN) SelectObject(hdc,standardPen);
HBRUSH oldBrush = (HBRUSH) SelectObject(hdc,standardBrush);
HFONT oldFont = (HFONT) SelectObject(hdc,(HGDIOBJ)font);
// white background
SelectObject(hdc,standardPen);
SelectObject(hdc,standardBrush);
Rectangle(hdc, 0, 0, rect_.right, rect_.bottom);
if (displayOffsetScale_)
drawOffsetScale(hdc);
std::vector<MemBlockInfo> memRangeInfo = FindMemInfoByFlag(highlightFlags_, windowStart_, (visibleRows_ + 1) * rowSize_);
COLORREF lastTextCol = 0x000000;
COLORREF lastBGCol = standardBG;
auto setTextColors = [&](COLORREF fg, COLORREF bg) {
if (lastTextCol != fg) {
SetTextColor(hdc, fg);
lastTextCol = fg;
}
if (lastBGCol != bg) {
SetBkColor(hdc, bg);
lastBGCol = bg;
}
};
_assert_msg_(((windowStart_ | rowSize_) & 3) == 0, "readMemory() can't handle unaligned reads");
// draw one extra row that may be partially visible
for (int i = 0; i < visibleRows_ + 1; i++) {
int rowY = rowHeight_ * i;
// Skip the first X rows to make space for the offsets.
if (displayOffsetScale_)
rowY += rowHeight_ * offsetSpace;
char temp[32];
uint32_t address = windowStart_ + i * rowSize_;
snprintf(temp, sizeof(temp), "%08X", address);
setTextColors(0x600000, standardBG);
TextOutA(hdc, addressStartX_, rowY, temp, (int)strlen(temp));
union {
uint32_t words[4];
uint8_t bytes[16];
} memory;
int valid = debugger_ != nullptr && debugger_->isAlive() ? Memory::ValidSize(address, 16) / 4 : 0;
for (int i = 0; i < valid; ++i) {
memory.words[i] = debugger_->readMemory(address + i * 4);
}
for (int j = 0; j < rowSize_; j++) {
const uint32_t byteAddress = (address + j) & ~0xC0000000;
std::string tag;
bool tagContinues = false;
for (auto info : memRangeInfo) {
if (info.start <= byteAddress && info.start + info.size > byteAddress) {
tag = info.tag;
tagContinues = byteAddress + 1 < info.start + info.size;
}
}
int hexX = hexStartX_ + j * 3 * charWidth_;
int hexLen = 2;
int asciiX = asciiStartX_ + j * (charWidth_ + 2);
char c;
if (valid) {
snprintf(temp, sizeof(temp), "%02X ", memory.bytes[j]);
c = (char)memory.bytes[j];
if (memory.bytes[j] < 32 || memory.bytes[j] >= 128)
c = '.';
} else {
truncate_cpy(temp, "??");
c = '.';
}
COLORREF hexBGCol = standardBG;
COLORREF hexTextCol = 0x000000;
COLORREF continueBGCol = standardBG;
COLORREF asciiBGCol = standardBG;
COLORREF asciiTextCol = 0x000000;
int underline = -1;
if (address + j >= selectRangeStart_ && address + j < selectRangeEnd_ && !searching_) {
if (asciiSelected_) {
hexBGCol = 0xC0C0C0;
hexTextCol = 0x000000;
asciiBGCol = hasFocus_ ? 0xFF9933 : 0xC0C0C0;
asciiTextCol = hasFocus_ ? 0xFFFFFF : 0x000000;
} else {
hexBGCol = hasFocus_ ? 0xFF9933 : 0xC0C0C0;
hexTextCol = hasFocus_ ? 0xFFFFFF : 0x000000;
asciiBGCol = 0xC0C0C0;
asciiTextCol = 0x000000;
if (address + j == curAddress_)
underline = selectedNibble_;
}
if (!tag.empty() && tagContinues) {
continueBGCol = pickTagColor(tag);
}
} else if (!tag.empty()) {
hexBGCol = pickTagColor(tag);
continueBGCol = hexBGCol;
asciiBGCol = pickTagColor(tag);
hexLen = tagContinues ? 3 : 2;
}
setTextColors(hexTextCol, hexBGCol);
if (underline >= 0) {
SelectObject(hdc, underline == 0 ? (HGDIOBJ)underlineFont : (HGDIOBJ)font);
TextOutA(hdc, hexX, rowY, &temp[0], 1);
SelectObject(hdc, underline == 0 ? (HGDIOBJ)font : (HGDIOBJ)underlineFont);
TextOutA(hdc, hexX + charWidth_, rowY, &temp[1], 1);
SelectObject(hdc, (HGDIOBJ)font);
// If the tag keeps going, draw the BG too.
if (continueBGCol != standardBG) {
setTextColors(0x000000, continueBGCol);
TextOutA(hdc, hexX + charWidth_ * 2, rowY, &temp[2], 1);
}
} else {
if (continueBGCol != hexBGCol) {
TextOutA(hdc, hexX, rowY, temp, 2);
setTextColors(0x000000, continueBGCol);
TextOutA(hdc, hexX + charWidth_ * 2, rowY, &temp[2], 1);
} else {
TextOutA(hdc, hexX, rowY, temp, hexLen);
}
}
setTextColors(asciiTextCol, asciiBGCol);
TextOutA(hdc, asciiX, rowY, &c, 1);
}
}
setTextColors(0x000000, standardBG);
SelectObject(hdc,oldFont);
SelectObject(hdc,oldPen);
SelectObject(hdc,oldBrush);
// copy bitmap to the actual hdc
BitBlt(actualHdc, 0, 0, rect_.right, rect_.bottom, hdc, 0, 0, SRCCOPY);
DeleteObject(hBM);
DeleteDC(hdc);
DeleteObject(standardPen);
DeleteObject(standardBrush);
EndPaint(wnd, &ps);
}
void CtrlMemView::onVScroll(WPARAM wParam, LPARAM lParam) {
switch (wParam & 0xFFFF) {
case SB_LINEDOWN:
ScrollWindow(1, GotoModeFromModifiers(false));
break;
case SB_LINEUP:
ScrollWindow(-1, GotoModeFromModifiers(false));
break;
case SB_PAGEDOWN:
ScrollWindow(visibleRows_, GotoModeFromModifiers(false));
break;
case SB_PAGEUP:
ScrollWindow(-visibleRows_, GotoModeFromModifiers(false));
break;
default:
return;
}
}
void CtrlMemView::onKeyDown(WPARAM wParam, LPARAM lParam) {
if (KeyDownAsync(VK_CONTROL)) {
switch (tolower(wParam & 0xFFFF)) {
case 'g':
{
u32 addr;
if (executeExpressionWindow(wnd, debugger_, addr) == false)
return;
gotoAddr(addr);
return;
}
break;
case 'f':
case 's':
search(false);
return;
case 'c':
search(true);
return;
}
}
switch (wParam & 0xFFFF) {
case VK_DOWN:
ScrollCursor(rowSize_, GotoModeFromModifiers(false));
break;
case VK_UP:
ScrollCursor(-rowSize_, GotoModeFromModifiers(false));
break;
case VK_LEFT:
ScrollCursor(-1, GotoModeFromModifiers(false));
break;
case VK_RIGHT:
ScrollCursor(1, GotoModeFromModifiers(false));
break;
case VK_NEXT:
ScrollWindow(visibleRows_, GotoModeFromModifiers(false));
break;
case VK_PRIOR:
ScrollWindow(-visibleRows_, GotoModeFromModifiers(false));
break;
case VK_TAB:
SendMessage(GetParent(wnd),WM_DEB_TABPRESSED,0,0);
break;
default:
return;
}
}
void CtrlMemView::onChar(WPARAM wParam, LPARAM lParam) {
auto memLock = Memory::Lock();
if (!PSP_IsInited())
return;
if (KeyDownAsync(VK_CONTROL) || wParam == VK_TAB)
return;
if (!Memory::IsValidAddress(curAddress_)) {
ScrollCursor(1, GotoMode::RESET);
return;
}
bool active = Core_IsActive();
if (active)
Core_Break("memory.access", curAddress_);
if (asciiSelected_) {
Memory::WriteUnchecked_U8((u8)wParam, curAddress_);
ScrollCursor(1, GotoMode::RESET);
} else {
wParam = tolower(wParam);
int inputValue = -1;
if (wParam >= '0' && wParam <= '9') inputValue = wParam - '0';
if (wParam >= 'a' && wParam <= 'f') inputValue = wParam -'a' + 10;
if (inputValue >= 0) {
int shiftAmount = (1 - selectedNibble_) * 4;
u8 oldValue = Memory::ReadUnchecked_U8(curAddress_);
oldValue &= ~(0xF << shiftAmount);
u8 newValue = oldValue | (inputValue << shiftAmount);
Memory::WriteUnchecked_U8(newValue, curAddress_);
ScrollCursor(1, GotoMode::RESET);
}
}
Reporting::NotifyDebugger();
if (active)
Core_Resume();
}
void CtrlMemView::redraw() {
GetClientRect(wnd, &rect_);
visibleRows_ = rect_.bottom / rowHeight_;
if (displayOffsetScale_) {
// visibleRows_ is calculated based on the size of the control, but X rows have already been used for the offsets and are no longer usable
visibleRows_ -= offsetSpace;
}
if (!redrawScheduled_) {
SetTimer(wnd, IDT_REDRAW_DELAYED, REDRAW_DELAY, nullptr);
redrawScheduled_ = true;
}
}
CtrlMemView::GotoMode CtrlMemView::GotoModeFromModifiers(bool isRightClick) {
GotoMode mode = GotoMode::RESET;
if (isRightClick) {
mode = GotoMode::RESET_IF_OUTSIDE;
} else if (KeyDownAsync(VK_SHIFT)) {
if (KeyDownAsync(VK_CONTROL))
mode = GotoMode::EXTEND;
else
mode = GotoMode::FROM_CUR;
}
return mode;
}
void CtrlMemView::onMouseDown(WPARAM wParam, LPARAM lParam, int button) {
if (Achievements::HardcoreModeActive())
return;
int x = LOWORD(lParam);
int y = HIWORD(lParam);
GotoPoint(x, y, GotoModeFromModifiers(button == 2));
}
void CtrlMemView::onMouseUp(WPARAM wParam, LPARAM lParam, int button) {
if (Achievements::HardcoreModeActive())
return;
if (button == 2) {
int32_t selectedSize = selectRangeEnd_ - selectRangeStart_;
bool enable16 = !asciiSelected_ && (selectedSize == 1 || (selectedSize & 1) == 0);
bool enable32 = !asciiSelected_ && (selectedSize == 1 || (selectedSize & 3) == 0);
HMENU menu = GetContextMenu(ContextMenuID::MEMVIEW);
EnableMenuItem(menu, ID_MEMVIEW_COPYVALUE_16, enable16 ? MF_ENABLED : MF_GRAYED);
EnableMenuItem(menu, ID_MEMVIEW_COPYVALUE_32, enable32 ? MF_ENABLED : MF_GRAYED);
EnableMenuItem(menu, ID_MEMVIEW_COPYFLOAT_32, enable32 ? MF_ENABLED : MF_GRAYED);
switch (TriggerContextMenu(ContextMenuID::MEMVIEW, wnd, ContextPoint::FromEvent(lParam))) {
case ID_MEMVIEW_DUMP:
{
DumpMemoryWindow dump(wnd, debugger_);
dump.exec();
break;
}
case ID_MEMVIEW_COPYVALUE_8:
{
auto memLock = Memory::Lock();
size_t tempSize = 3 * selectedSize + 1;
char *temp = new char[tempSize];
memset(temp, 0, tempSize);
// it's admittedly not really useful like this
if (asciiSelected_) {
for (uint32_t p = selectRangeStart_; p != selectRangeEnd_; ++p) {
uint8_t c = Memory::IsValidAddress(p) ? Memory::ReadUnchecked_U8(p) : '.';
if (c < 32 || c >= 128)
c = '.';
temp[p - selectRangeStart_] = c;
}
} else {
char *pos = temp;
for (uint32_t p = selectRangeStart_; p != selectRangeEnd_; ++p) {
uint8_t c = Memory::IsValidAddress(p) ? Memory::ReadUnchecked_U8(p) : 0xFF;
pos += snprintf(pos, tempSize - (pos - temp + 1), "%02X ", c);
}
// Clear the last space.
if (pos > temp)
*(pos - 1) = '\0';
}
W32Util::CopyTextToClipboard(wnd, temp);
delete[] temp;
}
break;
case ID_MEMVIEW_COPYVALUE_16:
{
auto memLock = Memory::Lock();
size_t tempSize = 5 * ((selectedSize + 1) / 2) + 1;
char *temp = new char[tempSize];
memset(temp, 0, tempSize);
char *pos = temp;
for (uint32_t p = selectRangeStart_; p < selectRangeEnd_; p += 2) {
uint16_t c = Memory::IsValidRange(p, 2) ? Memory::ReadUnchecked_U16(p) : 0xFFFF;
pos += snprintf(pos, tempSize - (pos - temp + 1), "%04X ", c);
}
// Clear the last space.
if (pos > temp)
*(pos - 1) = '\0';
W32Util::CopyTextToClipboard(wnd, temp);
delete[] temp;
}
break;
case ID_MEMVIEW_COPYVALUE_32:
{
auto memLock = Memory::Lock();
size_t tempSize = 9 * ((selectedSize + 3) / 4) + 1;
char *temp = new char[tempSize];
memset(temp, 0, tempSize);
char *pos = temp;
for (uint32_t p = selectRangeStart_; p < selectRangeEnd_; p += 4) {
uint32_t c = Memory::IsValidRange(p, 4) ? Memory::ReadUnchecked_U32(p) : 0xFFFFFFFF;
pos += snprintf(pos, tempSize - (pos - temp + 1), "%08X ", c);
}
// Clear the last space.
if (pos > temp)
*(pos - 1) = '\0';
W32Util::CopyTextToClipboard(wnd, temp);
delete[] temp;
}
break;
case ID_MEMVIEW_COPYFLOAT_32:
{
auto memLock = Memory::Lock();
std::ostringstream stream;
stream << (Memory::IsValidAddress(curAddress_) ? Memory::Read_Float(curAddress_) : NAN);
auto temp_string = stream.str();
W32Util::CopyTextToClipboard(wnd, temp_string.c_str());
}
break;
case ID_MEMVIEW_EXTENTBEGIN:
{
std::vector<MemBlockInfo> memRangeInfo = FindMemInfoByFlag(highlightFlags_, curAddress_, 1);
uint32_t addr = curAddress_;
for (MemBlockInfo info : memRangeInfo) {
addr = info.start;
}
gotoAddr(addr);
break;
}
case ID_MEMVIEW_EXTENTEND:
{
std::vector<MemBlockInfo> memRangeInfo = FindMemInfoByFlag(highlightFlags_, curAddress_, 1);
uint32_t addr = curAddress_;
for (MemBlockInfo info : memRangeInfo) {
addr = info.start + info.size - 1;
}
gotoAddr(addr);
break;
}
case ID_MEMVIEW_COPYADDRESS:
{
char temp[24];
snprintf(temp, sizeof(temp), "0x%08X", curAddress_);
W32Util::CopyTextToClipboard(wnd, temp);
}
break;
case ID_MEMVIEW_GOTOINDISASM:
if (disasmWindow) {
disasmWindow->Goto(curAddress_);
disasmWindow->Show(true);
}
break;
}
return;
}
int x = LOWORD(lParam);
int y = HIWORD(lParam);
ReleaseCapture();
GotoPoint(x, y, GotoModeFromModifiers(button == 2));
}
void CtrlMemView::onMouseMove(WPARAM wParam, LPARAM lParam, int button) {
if (Achievements::HardcoreModeActive())
return;
int x = LOWORD(lParam);
int y = HIWORD(lParam);
if (button & 1) {
GotoPoint(x, y, GotoModeFromModifiers(button == 2));
}
}
void CtrlMemView::updateStatusBarText() {
std::vector<MemBlockInfo> memRangeInfo = FindMemInfoByFlag(highlightFlags_, curAddress_, 1);
char text[512];
snprintf(text, sizeof(text), "%08X", curAddress_);
// There should only be one.
for (MemBlockInfo info : memRangeInfo) {
snprintf(text, sizeof(text), "%08X - %s %08X-%08X (at PC %08X / %lld ticks)", curAddress_, info.tag.c_str(), info.start, info.start + info.size, info.pc, info.ticks);
}
SendMessage(GetParent(wnd), WM_DEB_SETSTATUSBARTEXT, 0, (LPARAM)text);
}
void CtrlMemView::UpdateSelectRange(uint32_t target, GotoMode mode) {
if (mode == GotoMode::FROM_CUR && lastSelectReset_ == 0) {
lastSelectReset_ = curAddress_;
}
switch (mode) {
case GotoMode::RESET:
selectRangeStart_ = target;
selectRangeEnd_ = target + 1;
lastSelectReset_ = target;
break;
case GotoMode::RESET_IF_OUTSIDE:
if (target < selectRangeStart_ || target >= selectRangeEnd_) {
selectRangeStart_ = target;
selectRangeEnd_ = target + 1;
lastSelectReset_ = target;
}
break;
case GotoMode::FROM_CUR:
selectRangeStart_ = lastSelectReset_ > target ? target : lastSelectReset_;
selectRangeEnd_ = selectRangeStart_ == lastSelectReset_ ? target + 1 : lastSelectReset_ + 1;
break;
case GotoMode::EXTEND:
if (target < selectRangeStart_)
selectRangeStart_ = target;
if (target > selectRangeEnd_)
selectRangeEnd_ = target;
break;
}
curAddress_ = target;
}
void CtrlMemView::GotoPoint(int x, int y, GotoMode mode) {
int line = y / rowHeight_;
int lineAddress = windowStart_ + line * rowSize_;
if (displayOffsetScale_) {
// ignore clicks on the offset space
if (line < offsetSpace) {
updateStatusBarText();
redraw();
return;
}
// since each row has been written X rows down from where the window expected it to be written the target of the clicks must be adjusted
lineAddress -= rowSize_ * offsetSpace;
}
uint32_t target = curAddress_;
uint32_t targetNibble = selectedNibble_;
bool targetAscii = asciiSelected_;
if (x >= asciiStartX_) {
int col = (x - asciiStartX_) / (charWidth_ + 2);
if (col >= rowSize_)
return;
targetAscii = true;
target = lineAddress + col;
targetNibble = 0;
} else if (x >= hexStartX_) {
int col = (x - hexStartX_) / charWidth_;
if ((col/3) >= rowSize_)
return;
switch (col % 3) {
case 0: targetNibble = 0; break;
case 1: targetNibble = 1; break;
case 2: return; // don't change position when clicking on the space
}
targetAscii = false;
target = lineAddress + col / 3;
}
if (target != curAddress_ || targetNibble != selectedNibble_ || targetAscii != asciiSelected_) {
selectedNibble_ = targetNibble;
asciiSelected_ = targetAscii;
UpdateSelectRange(target, mode);
updateStatusBarText();
redraw();
}
}
void CtrlMemView::gotoAddr(unsigned int addr) {
int lines = rect_.bottom / rowHeight_;
u32 windowEnd = windowStart_ + lines * rowSize_;
curAddress_ = addr;
lastSelectReset_ = curAddress_;
selectRangeStart_ = curAddress_;
selectRangeEnd_ = curAddress_ + 1;
selectedNibble_ = 0;
if (curAddress_ < windowStart_ || curAddress_ >= windowEnd) {
windowStart_ = curAddress_ & ~15;
}
updateStatusBarText();
redraw();
}
void CtrlMemView::ScrollWindow(int lines, GotoMode mode) {
windowStart_ += lines * rowSize_;
UpdateSelectRange(curAddress_ + lines * rowSize_, mode);
updateStatusBarText();
redraw();
}
void CtrlMemView::ScrollCursor(int bytes, GotoMode mode) {
if (!asciiSelected_ && bytes == 1) {
if (selectedNibble_ == 0) {
selectedNibble_ = 1;
bytes = 0;
} else {
selectedNibble_ = 0;
}
} else if (!asciiSelected_ && bytes == -1) {
if (selectedNibble_ == 0) {
selectedNibble_ = 1;
} else {
selectedNibble_ = 0;
bytes = 0;
}
}
UpdateSelectRange(curAddress_ + bytes, mode);
u32 windowEnd = windowStart_ + visibleRows_ * rowSize_;
if (curAddress_ < windowStart_) {
windowStart_ = curAddress_ & ~15;
} else if (curAddress_ >= windowEnd) {
windowStart_ = (curAddress_ - (visibleRows_ - 1) * rowSize_) & ~15;
}
updateStatusBarText();
redraw();
}
bool CtrlMemView::ParseSearchString(const std::string &query, bool asHex, std::vector<uint8_t> &data) {
data.clear();
if (!asHex) {
for (size_t i = 0; i < query.length(); i++) {
data.push_back(query[i]);
}
return true;
}
for (size_t index = 0; index < query.size(); ) {
if (isspace(query[index])) {
index++;
continue;
}
u8 value = 0;
for (int i = 0; i < 2 && index < query.size(); i++) {
char c = tolower(query[index++]);
if (c >= 'a' && c <= 'f') {
value |= (c - 'a' + 10) << (1 - i) * 4;
} else if (c >= '0' && c <= '9') {
value |= (c - '0') << (1 - i) * 4;
} else {
return false;
}
}
data.push_back(value);
}
return true;
}
std::vector<u32> CtrlMemView::searchString(const std::string &searchQuery) {
std::vector<u32> searchResAddrs;
auto memLock = Memory::Lock();
if (!PSP_IsInited())
return searchResAddrs;
std::vector<u8> searchData;
if (!ParseSearchString(searchQuery, false, searchData))
return searchResAddrs;
if (searchData.empty())
return searchResAddrs;
std::vector<std::pair<u32, u32>> memoryAreas;
memoryAreas.emplace_back(PSP_GetScratchpadMemoryBase(), PSP_GetScratchpadMemoryEnd());
// Ignore the video memory mirrors.
memoryAreas.emplace_back(PSP_GetVidMemBase(), 0x04200000);
memoryAreas.emplace_back(PSP_GetKernelMemoryBase(), PSP_GetUserMemoryEnd());
for (const auto &area : memoryAreas) {
const u32 segmentStart = area.first;
const u32 segmentEnd = area.second - (u32)searchData.size();
for (u32 pos = segmentStart; pos < segmentEnd; pos++) {
if ((pos % 256) == 0 && KeyDownAsync(VK_ESCAPE)) {
return searchResAddrs;
}
const u8 *ptr = Memory::GetPointerUnchecked(pos);
if (memcmp(ptr, searchData.data(), searchData.size()) == 0) {
searchResAddrs.push_back(pos);
}
}
}
return searchResAddrs;
};
void CtrlMemView::search(bool continueSearch) {
auto memLock = Memory::Lock();
if (!PSP_IsInited())
return;
u32 searchAddress = 0;
u32 segmentStart = 0;
u32 segmentEnd = 0;
if (continueSearch == false || searchQuery_.empty()) {
if (InputBox_GetString(GetModuleHandle(NULL), wnd, L"Search for", searchQuery_, searchQuery_) == false) {
SetFocus(wnd);
return;
}
SetFocus(wnd);
searchAddress = curAddress_ + 1;
} else {
searchAddress = matchAddress_ + 1;
}
std::vector<u8> searchData;
if (!ParseSearchString(searchQuery_, !asciiSelected_, searchData)) {
MessageBox(wnd, L"Invalid search text.", L"Error", MB_OK);
return;
}
std::vector<std::pair<u32, u32>> memoryAreas;
// Ignore the video memory mirrors.
memoryAreas.emplace_back(PSP_GetVidMemBase(), 0x04200000);
memoryAreas.emplace_back(PSP_GetKernelMemoryBase(), PSP_GetUserMemoryEnd());
memoryAreas.emplace_back(PSP_GetScratchpadMemoryBase(), PSP_GetScratchpadMemoryEnd());
searching_ = true;
redraw(); // so the cursor is disabled
for (size_t i = 0; i < memoryAreas.size(); i++) {
segmentStart = memoryAreas[i].first;
segmentEnd = memoryAreas[i].second;
// better safe than sorry, I guess
if (!Memory::IsValidAddress(segmentStart))
continue;
const u8 *dataPointer = Memory::GetPointerUnchecked(segmentStart);
if (searchAddress < segmentStart)
searchAddress = segmentStart;
if (searchAddress >= segmentEnd)
continue;
int index = searchAddress-segmentStart;
int endIndex = segmentEnd-segmentStart - (int)searchData.size();
while (index < endIndex) {
// cancel search
if ((index % 256) == 0 && KeyDownAsync(VK_ESCAPE)) {
searching_ = false;
return;
}
if (memcmp(&dataPointer[index], searchData.data(), searchData.size()) == 0) {
matchAddress_ = index + segmentStart;
searching_ = false;
gotoAddr(matchAddress_);
return;
}
index++;
}
}
MessageBox(wnd, L"Not found", L"Search", MB_OK);
searching_ = false;
redraw();
}
void CtrlMemView::drawOffsetScale(HDC hdc) {
int currentX = addressStartX_;
SetTextColor(hdc, 0x600000);
TextOutA(hdc, currentX, offsetPositionY_, "Offset", 6);
// the start offset, the size of the hex addresses and one space
currentX = addressStartX_ + ((8 + 1) * charWidth_);
char temp[64];
for (int i = 0; i < 16; i++) {
snprintf(temp, sizeof(temp), "%02X", i);
TextOutA(hdc, currentX, offsetPositionY_, temp, 2);
currentX += 3 * charWidth_; // hex and space
}
}
void CtrlMemView::toggleOffsetScale(CommonToggles toggle) {
if (toggle == On)
displayOffsetScale_ = true;
else if (toggle == Off)
displayOffsetScale_ = false;
updateStatusBarText();
redraw();
}
void CtrlMemView::setHighlightType(MemBlockFlags flags) {
if (highlightFlags_ != flags) {
highlightFlags_ = flags;
updateStatusBarText();
redraw();
}
}
uint32_t CtrlMemView::pickTagColor(const std::string &tag) {
int colors[6] = { 0xe0FFFF, 0xFFE0E0, 0xE8E8FF, 0xFFE0FF, 0xE0FFE0, 0xFFFFE0 };
int which = XXH3_64bits(tag.c_str(), tag.length()) % ARRAY_SIZE(colors);
return colors[which];
}
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