pcsx2/pcsx2-qt/Debugger/MemoryViewWidget.cpp

540 lines
15 KiB
C++

// SPDX-FileCopyrightText: 2002-2023 PCSX2 Dev Team
// SPDX-License-Identifier: LGPL-3.0+
#include "MemoryViewWidget.h"
#include "QtHost.h"
#include "QtUtils.h"
#include <QtGui/QMouseEvent>
#include <QtCore/QObject>
#include <QtWidgets/QInputDialog>
#include <QtWidgets/QMessageBox>
#include <QtGui/QClipboard>
#include <QtCore/QtEndian>
using namespace QtUtils;
/*
MemoryViewTable
*/
void MemoryViewTable::UpdateStartAddress(u32 start)
{
startAddress = start & ~0xF;
}
void MemoryViewTable::UpdateSelectedAddress(u32 selected, bool page)
{
selectedAddress = selected;
if (startAddress > selectedAddress)
{
if (page)
startAddress -= 0x10 * rowVisible;
else
startAddress -= 0x10;
}
else if (startAddress + ((rowVisible - 1) * 0x10) < selectedAddress)
{
if (page)
startAddress += 0x10 * rowVisible;
else
startAddress += 0x10;
}
}
void MemoryViewTable::DrawTable(QPainter& painter, const QPalette& palette, s32 height)
{
rowHeight = painter.fontMetrics().height() + 2;
const s32 charWidth = painter.fontMetrics().averageCharWidth();
const s32 x = charWidth; // Left padding
const s32 y = rowHeight;
rowVisible = (height / rowHeight);
rowCount = rowVisible + 1;
row1YAxis = 0;
// Draw the row addresses
painter.setPen(palette.text().color());
for (u32 i = 0; i < rowCount; i++)
{
painter.drawText(x, y + (rowHeight * i), FilledQStringFromValue(startAddress + (i * 0x10), 16));
}
valuexAxis = x + (charWidth * 8);
// Draw the row values
for (u32 i = 0; i < rowCount; i++)
{
const u32 currentRowAddress = startAddress + (i * 0x10);
s32 valX = valuexAxis;
segmentXAxis[0] = valX;
u32 currentSegmentAddress = currentRowAddress;
for (int j = 0; j < 16; j++)
{
const u32 currentByteAddress = currentRowAddress + j;
if (!(j % (s32)displayType))
{
valX += charWidth;
currentSegmentAddress = currentByteAddress;
}
segmentXAxis[j] = valX;
if ((selectedAddress & ~0xF) == currentRowAddress)
{
if (selectedAddress == currentByteAddress)
{ // If the current byte and row we are drawing is selected
if (!selectedText)
{
painter.setPen(QColor::fromRgb(205, 165, 0)); // SELECTED NIBBLE LINE COLOUR
const QPoint lineStart(valX + (selectedNibbleHI ? 0 : charWidth) + 1, y + (rowHeight * i));
painter.drawLine(lineStart, lineStart + QPoint(charWidth - 3, 0));
}
painter.setPen(QColor::fromRgb(0xaa, 0x22, 0x22)); // SELECTED BYTE COLOUR
}
// If the current selected byte is in our current segment, highlight the entire segment
else if (displayType != MemoryViewType::BYTE &&
currentSegmentAddress <= selectedAddress && (selectedAddress <= (currentSegmentAddress + (s32)displayType - 1)))
{
painter.setPen(palette.highlight().color()); // SELECTED SEGMENT COLOUR
}
else
painter.setPen(palette.text().color()); // Default colour
}
else
painter.setPen(palette.text().color()); // Default colour
bool valid;
const u8 val = static_cast<u8>(m_cpu->read8(currentByteAddress, valid));
painter.drawText(valX, y + (rowHeight * i), valid ? FilledQStringFromValue(val, 16) : "??");
valX += charWidth * 2;
}
// valX is our new X position after the hex values
valX = valX + 6;
textXAxis = valX;
// Print the string representation
for (s32 j = 0; j < 16; j++)
{
if (selectedAddress == j + currentRowAddress)
painter.setPen(palette.highlight().color());
else
painter.setPen(palette.text().color());
bool valid;
const u8 value = m_cpu->read8(currentRowAddress + j, valid);
if (valid)
{
QChar curChar = QChar::fromLatin1(value);
if (!curChar.isPrint() && curChar != ' ') // Default to '.' for unprintable characters
curChar = '.';
painter.drawText(valX, y + (rowHeight * i), curChar);
}
else
{
painter.drawText(valX, y + (rowHeight * i), "?");
}
valX += charWidth + 1;
}
}
}
void MemoryViewTable::SelectAt(QPoint pos)
{
const u32 selectedRow = (pos.y() - 2) / (rowHeight);
const s32 x = pos.x();
const s32 avgSegmentWidth = segmentXAxis[1] - segmentXAxis[0];
selectedAddress = (selectedRow * 0x10) + startAddress;
if (x <= segmentXAxis[0])
{
selectedText = false;
// The user clicked before the first segment
selectedNibbleHI = true;
}
else if (x > valuexAxis && x < textXAxis)
{
selectedText = false;
// The user clicked inside of the hexadecimal area
for (s32 i = 0; i < 16; i++)
{
if (i == 15 || (x >= segmentXAxis[i] && x < (segmentXAxis[i + 1])))
{
selectedAddress = selectedAddress + i;
selectedNibbleHI = ((x - segmentXAxis[i]) < ((avgSegmentWidth / 2) - 2)); // Subtract 2 units, makes selecting nibbles feel more natural
break;
}
}
}
else if (x >= textXAxis)
{
selectedText = true;
// The user clicked the text area
selectedAddress += std::min((x - textXAxis) / 8, 15);
}
}
u128 MemoryViewTable::GetSelectedSegment()
{
u128 val;
switch (displayType)
{
case MemoryViewType::BYTE:
val.lo = m_cpu->read8(selectedAddress);
break;
case MemoryViewType::BYTEHW:
val.lo = qToBigEndian((u16)m_cpu->read16(selectedAddress & ~1));
break;
case MemoryViewType::WORD:
val.lo = qToBigEndian(m_cpu->read32(selectedAddress & ~3));
break;
case MemoryViewType::DWORD:
val._u64[0] = qToBigEndian(m_cpu->read64(selectedAddress & ~7));
break;
}
return val;
}
void MemoryViewTable::InsertIntoSelectedHexView(u8 value)
{
const u8 mask = selectedNibbleHI ? 0x0f : 0xf0;
u8 curVal = m_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);
QtHost::RunOnUIThread([this] { parent->update(); });
});
}
void MemoryViewTable::InsertAtCurrentSelection(const QString& text) {
if (!m_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] {
for (int i = 0; i < inBytes.size(); i++)
{
cpu->write8(address + i, inBytes[i]);
}
QtHost::RunOnUIThread([this, inBytes] { UpdateSelectedAddress(selectedAddress + inBytes.size()); parent->update(); });
});
}
// We need both key and keychar because `key` is easy to use, but is case insensitive
bool MemoryViewTable::KeyPress(int key, QChar keychar)
{
if (!m_cpu->isValidAddress(selectedAddress))
return false;
bool pressHandled = false;
const bool keyCharIsText = keychar.isLetterOrNumber() || keychar.isSpace();
if (selectedText)
{
if (keyCharIsText || (!keychar.isNonCharacter() && keychar.category() != QChar::Other_Control))
{
Host::RunOnCPUThread([this, address = selectedAddress, cpu = m_cpu, val = keychar.toLatin1()] {
cpu->write8(address, val);
QtHost::RunOnUIThread([this] { UpdateSelectedAddress(selectedAddress + 1); parent->update(); });
});
pressHandled = true;
}
switch (key)
{
case Qt::Key::Key_Backspace:
case Qt::Key::Key_Escape:
Host::RunOnCPUThread([this, address = selectedAddress, cpu = m_cpu] {
cpu->write8(address, 0);
QtHost::RunOnUIThread([this] { UpdateSelectedAddress(selectedAddress - 1); parent->update(); });
});
pressHandled = true;
break;
case Qt::Key::Key_Right:
UpdateSelectedAddress(selectedAddress + 1);
pressHandled = true;
break;
case Qt::Key::Key_Left:
UpdateSelectedAddress(selectedAddress - 1);
pressHandled = true;
break;
default:
break;
}
}
else
{
// Hex view is selected
if (keyCharIsText)
{
InsertIntoSelectedHexView(((u8)QString(QChar(key)).toInt(&pressHandled, 16)));
if (pressHandled)
{
// Increment to the next nibble or byte
if ((selectedNibbleHI = !selectedNibbleHI))
UpdateSelectedAddress(selectedAddress + 1);
}
}
switch (key)
{
case Qt::Key::Key_Backspace:
case Qt::Key::Key_Escape:
InsertIntoSelectedHexView(0);
// Move back a byte or nibble if it's backspace being pressed
if (!(selectedNibbleHI = !selectedNibbleHI))
UpdateSelectedAddress(selectedAddress - 1);
pressHandled = true;
break;
case Qt::Key::Key_Right:
if ((selectedNibbleHI = !selectedNibbleHI))
UpdateSelectedAddress(selectedAddress + 1);
pressHandled = true;
break;
case Qt::Key::Key_Left:
if (!(selectedNibbleHI = !selectedNibbleHI))
UpdateSelectedAddress(selectedAddress - 1);
pressHandled = true;
break;
default:
break;
}
}
// Keybinds that are the same for the text and hex view
switch (key)
{
case Qt::Key::Key_Up:
UpdateSelectedAddress(selectedAddress - 0x10);
pressHandled = true;
break;
case Qt::Key::Key_PageUp:
UpdateSelectedAddress(selectedAddress - (0x10 * rowVisible), true);
pressHandled = true;
break;
case Qt::Key::Key_Down:
UpdateSelectedAddress(selectedAddress + 0x10);
pressHandled = true;
break;
case Qt::Key::Key_PageDown:
UpdateSelectedAddress(selectedAddress + (0x10 * rowVisible), true);
pressHandled = true;
break;
default:
break;
}
return pressHandled;
}
/*
MemoryViewWidget
*/
MemoryViewWidget::MemoryViewWidget(QWidget* parent)
: QWidget(parent)
, m_table(this)
{
ui.setupUi(this);
this->setFocusPolicy(Qt::FocusPolicy::ClickFocus);
connect(this, &MemoryViewWidget::customContextMenuRequested, this, &MemoryViewWidget::customMenuRequested);
}
MemoryViewWidget::~MemoryViewWidget() = default;
void MemoryViewWidget::SetCpu(DebugInterface* cpu)
{
m_cpu = cpu;
m_table.SetCpu(cpu);
m_table.UpdateStartAddress(0x480000);
}
void MemoryViewWidget::paintEvent(QPaintEvent* event)
{
if (!m_cpu->isAlive())
return;
QPainter painter(this);
m_table.DrawTable(painter, this->palette(), this->height());
}
void MemoryViewWidget::mousePressEvent(QMouseEvent* event)
{
if (!m_cpu->isAlive())
return;
m_table.SelectAt(event->pos());
repaint();
}
void MemoryViewWidget::customMenuRequested(QPoint pos)
{
if (!m_cpu->isAlive())
return;
if (!m_contextMenu)
{
m_contextMenu = new QMenu(this);
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()); });
action = new QAction(tr("Go to in disassembly"));
m_contextMenu->addAction(action);
connect(action, &QAction::triggered, this, [this]() { emit gotoInDisasm(m_table.selectedAddress); });
action = new QAction(tr("Go to address"));
m_contextMenu->addAction(action);
connect(action, &QAction::triggered, this, [this]() { contextGoToAddress(); });
m_contextMenu->addSeparator();
// 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); });
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); });
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); });
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); });
m_contextMenu->addSeparator();
action = new QAction(tr("Copy Byte"));
m_contextMenu->addAction(action);
connect(action, &QAction::triggered, this, [this]() { contextCopyByte(); });
action = new QAction(tr("Copy Segment"));
m_contextMenu->addAction(action);
connect(action, &QAction::triggered, this, [this]() { contextCopySegment(); });
action = new QAction(tr("Copy Character"));
m_contextMenu->addAction(action);
connect(action, &QAction::triggered, this, [this]() { contextCopyCharacter(); });
action = new QAction(tr("Paste"));
m_contextMenu->addAction(action);
connect(action, &QAction::triggered, this, [this]() { contextPaste(); });
}
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));
this->repaint();
return;
}
void MemoryViewWidget::contextCopyByte()
{
QApplication::clipboard()->setText(QString::number(m_cpu->read8(m_table.selectedAddress), 16).toUpper());
}
void MemoryViewWidget::contextCopySegment()
{
QApplication::clipboard()->setText(QString::number(m_table.GetSelectedSegment().lo, 16).toUpper());
}
void MemoryViewWidget::contextCopyCharacter()
{
QApplication::clipboard()->setText(QChar::fromLatin1(m_cpu->read8(m_table.selectedAddress)).toUpper());
}
void MemoryViewWidget::contextPaste()
{
m_table.InsertAtCurrentSelection(QApplication::clipboard()->text());
}
void MemoryViewWidget::contextGoToAddress()
{
bool ok;
QString targetString = QInputDialog::getText(this, tr("Go to address"), "",
QLineEdit::Normal, "", &ok);
if (!ok)
return;
const u32 targetAddress = targetString.toUInt(&ok, 16);
if (!ok)
{
QMessageBox::warning(this, "Go to address error", "Invalid address");
return;
}
gotoAddress(targetAddress);
}
void MemoryViewWidget::mouseDoubleClickEvent(QMouseEvent* event)
{
}
void MemoryViewWidget::wheelEvent(QWheelEvent* event)
{
if (event->angleDelta().y() < 0)
{
m_table.UpdateStartAddress(m_table.startAddress + 0x10);
}
else if (event->angleDelta().y() > 0)
{
m_table.UpdateStartAddress(m_table.startAddress - 0x10);
}
this->repaint();
}
void MemoryViewWidget::keyPressEvent(QKeyEvent* event)
{
if (!m_table.KeyPress(event->key(), event->text().size() ? event->text()[0] : '\0'))
{
switch (event->key())
{
case Qt::Key_G:
contextGoToAddress();
break;
case Qt::Key_C:
if (event->modifiers() & Qt::ControlModifier)
contextCopySegment();
break;
default:
break;
}
}
this->repaint();
VMUpdate();
}
void MemoryViewWidget::gotoAddress(u32 address)
{
m_table.UpdateStartAddress(address & ~0xF);
m_table.selectedAddress = address;
this->repaint();
this->setFocus();
}