Qt: Add MRU list

CHANGES

@@ -7,6 +7,7 @@ Features:
  - Settings window
  - Bilinear resampling option
  - Add option to skip BIOS start screen
+ - List of recently opened games
 Bugfixes:
  - Qt: Fix issue with set frame sizes being the wrong height
  - Qt: Fix emulator crashing when full screen if a game is not running

src/platform/qt/ConfigController.cpp

@@ -131,7 +131,7 @@ void ConfigController::updateOption(const char* key) {
 	m_optionSet[optionName]->setValue(GBAConfigGetValue(&m_config, key));
 }
 
-QString ConfigController::getOption(const char* key) {
+QString ConfigController::getOption(const char* key) const {
 	return QString(GBAConfigGetValue(&m_config, key));
 }
 
@@ -176,6 +176,35 @@ void ConfigController::setOption(const char* key, const QVariant& value) {
 	setOption(key, stringValue.toLocal8Bit().constData());
 }
 
+QList<QString> ConfigController::getMRU() const {
+	QList<QString> mru;
+	for (int i = 0; i < MRU_LIST_SIZE; ++i) {
+		char mruName[7];
+		snprintf(mruName, sizeof(mruName) - 1, "mru.%i", i);
+		mruName[sizeof(mruName) - 1] = '\0';
+		QString item = getOption(mruName);
+		if (item.isNull()) {
+			continue;
+		}
+		mru.append(item);
+	}
+	return mru;
+}
+
+void ConfigController::setMRU(const QList<QString>& mru) {
+	int i = 0;
+	for (const QString& item : mru) {
+		char mruName[7];
+		snprintf(mruName, sizeof(mruName) - 1, "mru.%i", i);
+		mruName[sizeof(mruName) - 1] = '\0';
+		setOption(mruName, item);
+		++i;
+		if (i >= MRU_LIST_SIZE) {
+			break;
+		}
+	}
+}
+
 void ConfigController::write() {
 	GBAConfigSave(&m_config);
 }

src/platform/qt/ConfigController.h

@@ -57,6 +57,7 @@ Q_OBJECT
 
 public:
 	constexpr static const char* const PORT = "qt";
+	static const int MRU_LIST_SIZE = 10;
 
 	ConfigController(QObject* parent = nullptr);
 	~ConfigController();
@@ -67,7 +68,10 @@ public:
 	ConfigOption* addOption(const char* key);
 	void updateOption(const char* key);
 
-	QString getOption(const char* key);
+	QString getOption(const char* key) const;
+
+	QList<QString> getMRU() const;
+	void setMRU(const QList<QString>& mru);
 
 public slots:
 	void setOption(const char* key, bool value);

src/platform/qt/Window.cpp

@@ -45,6 +45,7 @@ Window::Window(ConfigController* config, QWidget* parent)
 #ifdef USE_GDB_STUB
 	, m_gdbController(nullptr)
 #endif
+	, m_mruMenu(nullptr)
 {
 	setWindowTitle(PROJECT_NAME);
 	setFocusPolicy(Qt::StrongFocus);
@@ -157,6 +158,9 @@ void Window::loadConfig() {
 		m_screenWidget->setSizeHint(QSize(opts->width, opts->height));
 	}
 
+	m_mruFiles = m_config->getMRU();
+	updateMRU();
+
 	m_inputController.setConfiguration(m_config);
 }
 
@@ -313,6 +317,7 @@ void Window::gameStarted(GBAThread* context) {
 	foreach (QAction* action, m_gameActions) {
 		action->setDisabled(false);
 	}
+	appendMRU(context->fname);
 	char title[13] = { '\0' };
 	GBAGetGameTitle(context->gba, title);
 	setWindowTitle(tr(PROJECT_NAME " - %1").arg(title));
@@ -402,6 +407,8 @@ void Window::setupMenu(QMenuBar* menubar) {
 	fileMenu->addAction(tr("Load &BIOS..."), this, SLOT(selectBIOS()));
 	fileMenu->addAction(tr("Load &patch..."), this, SLOT(selectPatch()));
 
+	m_mruMenu = fileMenu->addMenu(tr("Recent"));
+
 	fileMenu->addSeparator();
 
 	QAction* loadState = new QAction(tr("&Load state"), fileMenu);
@@ -629,6 +636,36 @@ void Window::detachWidget(QWidget* widget) {
 	m_screenWidget->layout()->removeWidget(widget);
 }
 
+void Window::appendMRU(const QString& fname) {
+	int index = m_mruFiles.indexOf(fname);
+	if (index >= 0) {
+		m_mruFiles.removeAt(index);
+	}
+	m_mruFiles.prepend(fname);
+	while (m_mruFiles.size() > ConfigController::MRU_LIST_SIZE) {
+		m_mruFiles.removeLast();
+	}
+	updateMRU();
+}
+
+void Window::updateMRU() {
+	if (!m_mruMenu) {
+		return;
+	}
+	m_mruMenu->clear();
+	int i = 0;
+	for (const QString& file : m_mruFiles) {
+		QAction* item = new QAction(file, m_mruMenu);
+		item->setShortcut(QString("Ctrl+%1").arg(i));
+		connect(item, &QAction::triggered, [this, file]() { m_controller->loadGame(file); });
+		m_mruMenu->addAction(item);
+		++i;
+	}
+	m_config->setMRU(m_mruFiles);
+	m_config->write();
+	m_mruMenu->setEnabled(i > 0);
+}
+
 WindowBackground::WindowBackground(QWidget* parent)
 	: QLabel(parent)
 {

src/platform/qt/Window.h

@@ -104,6 +104,9 @@ private:
 	void attachWidget(QWidget* widget);
 	void detachWidget(QWidget* widget);
 
+	void appendMRU(const QString& fname);
+	void updateMRU();
+
 	GameController* m_controller;
 	Display* m_display;
 	QList<QAction*> m_gameActions;
@@ -115,6 +118,8 @@ private:
 	InputController m_inputController;
 	QList<QDateTime> m_frameList;
 	QTimer m_fpsTimer;
+	QList<QString> m_mruFiles;
+	QMenu* m_mruMenu;
 
 #ifdef USE_FFMPEG
 	VideoView* m_videoView;