pcsx2/pcsx2-qt/Debugger/CpuWidget.cpp

// SPDX-FileCopyrightText: 2002-2023 PCSX2 Dev Team
// SPDX-License-Identifier: LGPL-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/BiosDebugData.h"
#include "DebugTools/MipsStackWalk.h"

#include "QtUtils.h"

#include "common/Console.h"

#include "demangler/demangler.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++;
	}

	connect(m_ui.tabWidgetRegFunc, &QTabWidget::currentChanged, [this](int i) {if(i == 1){updateFunctionList(true);} });
	connect(m_ui.listFunctions, &QListWidget::customContextMenuRequested, this, &CpuWidget::onFuncListContextMenu);
	connect(m_ui.listFunctions, &QListWidget::itemDoubleClicked, this, &CpuWidget::onFuncListDoubleClick);
	connect(m_ui.treeModules, &QTreeWidget::customContextMenuRequested, this, &CpuWidget::onModuleTreeContextMenu);
	connect(m_ui.treeModules, &QTreeWidget::itemDoubleClicked, this, &CpuWidget::onModuleTreeDoubleClick);
	connect(m_ui.btnRefreshFunctions, &QPushButton::clicked, [this] { updateFunctionList(); });
	connect(m_ui.txtFuncSearch, &QLineEdit::textChanged, [this] { updateFunctionList(); });

	m_ui.disassemblyWidget->SetCpu(&cpu);
	m_ui.registerWidget->SetCpu(&cpu);
	m_ui.memoryviewWidget->SetCpu(&cpu);

	if (cpu.getCpuType() == BREAKPOINT_EE)
	{
		m_ui.treeModules->setVisible(false);
	}
	else
	{
		m_ui.treeModules->header()->setSectionResizeMode(0, QHeaderView::ResizeMode::ResizeToContents);
		m_ui.listFunctions->setVisible(false);
	}
	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());
	});

	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);	});
	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::refreshDebugger()
{
	if (m_cpu.isAlive())
	{
		m_ui.registerWidget->update();
		m_ui.disassemblyWidget->update();
		m_ui.memoryviewWidget->update();
		m_ui.memorySearchWidget->update();
	}
}

void CpuWidget::reloadCPUWidgets()
{
	updateThreads();
	updateStackFrames();

	m_ui.registerWidget->update();
	m_ui.disassemblyWidget->update();
	m_ui.memoryviewWidget->update();
}

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->gotoAddress(m_cpu.getPC(), false);
	}

	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->gotoAddress(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->gotoAddress(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::updateFunctionList(bool whenEmpty)
{
	if (!m_cpu.isAlive())
		return;

	if (m_cpu.getCpuType() == BREAKPOINT_EE || !m_moduleView)
	{
		if (whenEmpty && m_ui.listFunctions->count())
			return;

		m_ui.listFunctions->clear();

		const auto demangler = demangler::CDemangler::createGcc();
		const QString filter = m_ui.txtFuncSearch->text().toLower();
		for (const auto& symbol : m_cpu.GetSymbolMap().GetAllSymbols(SymbolType::ST_FUNCTION))
		{
			QString symbolName = symbol.name.c_str();
			if (m_demangleFunctions)
			{
				symbolName = QString(demangler->demangleToString(symbol.name).c_str());

				// If the name isn't mangled, or it doesn't understand, it'll return an empty string
				// Fall back to the original name if this is the case
				if (symbolName.isEmpty())
					symbolName = symbol.name.c_str();
			}

			if (filter.size() && !symbolName.toLower().contains(filter))
				continue;

			QListWidgetItem* item = new QListWidgetItem();

			item->setText(QString("%0 %1").arg(FilledQStringFromValue(symbol.address, 16)).arg(symbolName));

			item->setData(Qt::UserRole, symbol.address);

			m_ui.listFunctions->addItem(item);
		}
	}
	else
	{
		const auto demangler = demangler::CDemangler::createGcc();
		const QString filter = m_ui.txtFuncSearch->text().toLower();

		m_ui.treeModules->clear();
		for (const auto& module : m_cpu.GetSymbolMap().GetModules())
		{
			QTreeWidgetItem* moduleItem = new QTreeWidgetItem(m_ui.treeModules, QStringList({QString(module.name.c_str()), QString("%0.%1").arg(module.version.major).arg(module.version.minor), QString::number(module.exports.size())}));
			QList<QTreeWidgetItem*> functions;
			for (const auto& sym : module.exports)
			{
				if (!QString(sym.name.c_str()).toLower().contains(filter))
					continue;

				QString symbolName = QString(sym.name.c_str());
				if (m_demangleFunctions)
				{
					QString demangledName = QString(demangler->demangleToString(sym.name).c_str());
					if (!demangledName.isEmpty())
						symbolName = demangledName;
				}
				QTreeWidgetItem* functionItem = new QTreeWidgetItem(moduleItem, QStringList(QString("%0 %1").arg(FilledQStringFromValue(sym.address, 16)).arg(symbolName)));
				functionItem->setData(0, Qt::UserRole, sym.address);
				functions.append(functionItem);
			}
			moduleItem->addChildren(functions);

			if (!filter.isEmpty() && functions.size())
			{
				moduleItem->setExpanded(true);
				m_ui.treeModules->insertTopLevelItem(0, moduleItem);
			}
			else if (filter.isEmpty())
			{
				m_ui.treeModules->insertTopLevelItem(0, moduleItem);
			}
			else
			{
				delete moduleItem;
			}
		}
	}
}

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->gotoAddress(m_ui.threadList->model()->data(m_ui.threadList->model()->index(index.row(), ThreadModel::ThreadColumns::PC), Qt::UserRole).toUInt());
			break;
	}
}

void CpuWidget::onFuncListContextMenu(QPoint pos)
{
	if (!m_funclistContextMenu)
		m_funclistContextMenu = new QMenu(m_ui.listFunctions);
	else
		m_funclistContextMenu->clear();

	if (m_ui.listFunctions->selectedItems().count() && m_ui.listFunctions->selectedItems().first()->data(Qt::UserRole).isValid())
	{
		QAction* copyName = new QAction(tr("Copy Function Name"), m_ui.listFunctions);
		connect(copyName, &QAction::triggered, [this] {
			// We only store the address in the widget item
			// Resolve the function name by fetching the symbolmap and filtering the address

			const QListWidgetItem* selectedItem = m_ui.listFunctions->selectedItems().first();
			const QString functionName = QString(m_cpu.GetSymbolMap().GetLabelName(selectedItem->data(Qt::UserRole).toUInt()).c_str());
			QApplication::clipboard()->setText(functionName);
		});
		m_funclistContextMenu->addAction(copyName);

		QAction* copyAddress = new QAction(tr("Copy Function Address"), m_ui.listFunctions);
		connect(copyAddress, &QAction::triggered, [this] {
			const QString addressString = FilledQStringFromValue(m_ui.listFunctions->selectedItems().first()->data(Qt::UserRole).toUInt(), 16);
			QApplication::clipboard()->setText(addressString);
		});

		m_funclistContextMenu->addAction(copyAddress);

		m_funclistContextMenu->addSeparator();

		QAction* gotoDisasm = new QAction(tr("Go to in Disassembly"), m_ui.listFunctions);
		connect(gotoDisasm, &QAction::triggered, [this] {
			m_ui.disassemblyWidget->gotoAddress(m_ui.listFunctions->selectedItems().first()->data(Qt::UserRole).toUInt());
		});

		m_funclistContextMenu->addAction(gotoDisasm);

		QAction* gotoMemory = new QAction(tr("Go to in Memory View"), m_ui.listFunctions);
		connect(gotoMemory, &QAction::triggered, [this] {
			m_ui.memoryviewWidget->gotoAddress(m_ui.listFunctions->selectedItems().first()->data(Qt::UserRole).toUInt());
			m_ui.tabWidget->setCurrentWidget(m_ui.tab_memory);
		});

		m_funclistContextMenu->addAction(gotoMemory);

		m_funclistContextMenu->addSeparator();
	}
	//: "Demangling" is the opposite of "Name mangling", which is a process where a compiler takes function names and combines them with other characteristics of the function (e.g. what types of data it accepts) to ensure they stay unique even when multiple functions exist with the same name (but different inputs / const-ness). See here: https://en.wikipedia.org/wiki/Name_mangling#C++
	QAction* demangleAction = new QAction(tr("Demangle Symbols"), m_ui.listFunctions);
	demangleAction->setCheckable(true);
	demangleAction->setChecked(m_demangleFunctions);

	connect(demangleAction, &QAction::triggered, [this] {
		m_demangleFunctions = !m_demangleFunctions;
		m_ui.disassemblyWidget->setDemangle(m_demangleFunctions);
		updateFunctionList();
	});

	m_funclistContextMenu->addAction(demangleAction);

	if (m_cpu.getCpuType() == BREAKPOINT_IOP)
	{
		QAction* moduleViewAction = new QAction(tr("Module Tree"), m_ui.listFunctions);
		moduleViewAction->setCheckable(true);
		moduleViewAction->setChecked(m_moduleView);

		connect(moduleViewAction, &QAction::triggered, [this] {
			m_moduleView = !m_moduleView;
			m_ui.treeModules->setVisible(m_moduleView);
			m_ui.listFunctions->setVisible(!m_moduleView);
			updateFunctionList();
		});

		m_funclistContextMenu->addAction(moduleViewAction);
	}
	m_funclistContextMenu->popup(m_ui.listFunctions->viewport()->mapToGlobal(pos));
}

void CpuWidget::onFuncListDoubleClick(QListWidgetItem* item)
{
	m_ui.disassemblyWidget->gotoAddress(item->data(Qt::UserRole).toUInt());
}

void CpuWidget::onModuleTreeContextMenu(QPoint pos)
{
	if (!m_moduleTreeContextMenu)
		m_moduleTreeContextMenu = new QMenu(m_ui.treeModules);
	else
		m_moduleTreeContextMenu->clear();

	if (m_ui.treeModules->selectedItems().count() && m_ui.treeModules->selectedItems().first()->data(0, Qt::UserRole).isValid())
	{
		QAction* copyName = new QAction(tr("Copy Function Name"), m_ui.treeModules);
		connect(copyName, &QAction::triggered, [this] {
			QApplication::clipboard()->setText(m_cpu.GetSymbolMap().GetLabelName(m_ui.treeModules->selectedItems().first()->data(0, Qt::UserRole).toUInt()).c_str());
		});
		m_moduleTreeContextMenu->addAction(copyName);

		QAction* copyAddress = new QAction(tr("Copy Function Address"), m_ui.treeModules);
		connect(copyAddress, &QAction::triggered, [this] {
			const QString addressString = FilledQStringFromValue(m_ui.treeModules->selectedItems().first()->data(0, Qt::UserRole).toUInt(), 16);
			QApplication::clipboard()->setText(addressString);
		});
		m_moduleTreeContextMenu->addAction(copyAddress);

		m_moduleTreeContextMenu->addSeparator();

		QAction* gotoDisasm = new QAction(tr("Go to in Disassembly"), m_ui.treeModules);
		connect(gotoDisasm, &QAction::triggered, [this] {
			m_ui.disassemblyWidget->gotoAddress(m_ui.treeModules->selectedItems().first()->data(0, Qt::UserRole).toUInt());
		});
		m_moduleTreeContextMenu->addAction(gotoDisasm);

		QAction* gotoMemory = new QAction(tr("Go to in Memory View"), m_ui.treeModules);
		connect(gotoMemory, &QAction::triggered, [this] {
			m_ui.memoryviewWidget->gotoAddress(m_ui.treeModules->selectedItems().first()->data(0, Qt::UserRole).toUInt());
			m_ui.tabWidget->setCurrentWidget(m_ui.tab_memory);
		});
		m_moduleTreeContextMenu->addAction(gotoMemory);
	}

	//: "Demangling" is the opposite of "Name mangling", which is a process where a compiler takes function names and combines them with other characteristics of the function (e.g. what types of data it accepts) to ensure they stay unique even when multiple functions exist with the same name (but different inputs / const-ness). See here: https://en.wikipedia.org/wiki/Name_mangling#C++
	QAction* demangleAction = new QAction(tr("Demangle Symbols"), m_ui.treeModules);
	demangleAction->setCheckable(true);
	demangleAction->setChecked(m_demangleFunctions);

	connect(demangleAction, &QAction::triggered, [this] {
		m_demangleFunctions = !m_demangleFunctions;
		m_ui.disassemblyWidget->setDemangle(m_demangleFunctions);
		updateFunctionList();
	});

	m_moduleTreeContextMenu->addSeparator();

	m_moduleTreeContextMenu->addAction(demangleAction);

	QAction* moduleViewAction = new QAction(tr("Module Tree"), m_ui.treeModules);
	moduleViewAction->setCheckable(true);
	moduleViewAction->setChecked(m_moduleView);

	connect(moduleViewAction, &QAction::triggered, [this] {
		m_moduleView = !m_moduleView;
		m_ui.treeModules->setVisible(m_moduleView);
		m_ui.listFunctions->setVisible(!m_moduleView);
		updateFunctionList();
	});

	m_moduleTreeContextMenu->addAction(moduleViewAction);

	m_moduleTreeContextMenu->popup(m_ui.treeModules->viewport()->mapToGlobal(pos));
}

void CpuWidget::onModuleTreeDoubleClick(QTreeWidgetItem* item)
{
	if (item->data(0, Qt::UserRole).isValid())
	{
		m_ui.disassemblyWidget->gotoAddress(item->data(0, Qt::UserRole).toUInt());
	}
}
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->gotoAddress(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->gotoAddress(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);
}