Host: Add game list refresh/cancel calls

pcsx2-qt/EmuThread.cpp

@@ -905,6 +905,41 @@ void Host::RunOnCPUThread(std::function<void()> function, bool block /* = false
 		Q_ARG(const std::function<void()>&, std::move(function)));
 }
 
+void Host::RefreshGameListAsync(bool invalidate_cache)
+{
+	QMetaObject::invokeMethod(g_main_window, "refreshGameList", Qt::QueuedConnection,
+		Q_ARG(bool, invalidate_cache));
+}
+
+void Host::CancelGameListRefresh()
+{
+	QMetaObject::invokeMethod(g_main_window, "cancelGameListRefresh", Qt::BlockingQueuedConnection);
+}
+
+void Host::RequestExit(bool save_state_if_running)
+{
+	if (VMManager::HasValidVM())
+		g_emu_thread->shutdownVM(save_state_if_running);
+
+	QMetaObject::invokeMethod(g_main_window, "requestExit", Qt::QueuedConnection);
+}
+
+void Host::RequestVMShutdown(bool save_state)
+{
+	if (VMManager::HasValidVM())
+		g_emu_thread->shutdownVM(save_state);
+}
+
+bool Host::IsFullscreen()
+{
+	return g_emu_thread->isFullscreen();
+}
+
+void Host::SetFullscreen(bool enabled)
+{
+	g_emu_thread->setFullscreen(enabled);
+}
+
 alignas(16) static SysMtgsThread s_mtgs_thread;
 
 SysMtgsThread& GetMTGS()

pcsx2-qt/EmuThread.h

@@ -42,6 +42,7 @@ public:
 	static void stop();
 
 	__fi QEventLoop* getEventLoop() const { return m_event_loop; }
+	__fi bool isFullscreen() const { return m_is_fullscreen; }
 
 	bool isOnEmuThread() const;
 

pcsx2-qt/GameList/GameListWidget.cpp

@@ -163,13 +163,7 @@ bool GameListWidget::getShowGridCoverTitles() const
 
 void GameListWidget::refresh(bool invalidate_cache)
 {
-	if (m_refresh_thread)
+	cancelRefresh();
-	{
-		m_refresh_thread->cancel();
-		m_refresh_thread->wait();
-		QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
-		pxAssertRel(!m_refresh_thread, "Game list thread should be unreferenced by now");
-	}
 
 	m_refresh_thread = new GameListRefreshThread(invalidate_cache);
 	connect(m_refresh_thread, &GameListRefreshThread::refreshProgress, this, &GameListWidget::onRefreshProgress,
@@ -179,6 +173,17 @@ void GameListWidget::refresh(bool invalidate_cache)
 	m_refresh_thread->start();
 }
 
+void GameListWidget::cancelRefresh()
+{
+	if (!m_refresh_thread)
+		return;
+
+	m_refresh_thread->cancel();
+	m_refresh_thread->wait();
+	QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
+	pxAssertRel(!m_refresh_thread, "Game list thread should be unreferenced by now");
+}
+
 void GameListWidget::onRefreshProgress(const QString& status, int current, int total)
 {
 	// switch away from the placeholder while we scan, in case we find anything

pcsx2-qt/GameList/GameListWidget.h

@@ -54,6 +54,7 @@ public:
 	void initialize();
 
 	void refresh(bool invalidate_cache);
+	void cancelRefresh();
 
 	bool isShowingGameList() const;
 	bool isShowingGameGrid() const;

pcsx2-qt/MainWindow.cpp

@@ -731,6 +731,11 @@ void MainWindow::refreshGameList(bool invalidate_cache)
 	m_game_list_widget->refresh(invalidate_cache);
 }
 
+void MainWindow::cancelGameListRefresh()
+{
+	m_game_list_widget->cancelRefresh();
+}
+
 void MainWindow::invalidateSaveStateCache()
 {
 	m_save_states_invalidated = true;

pcsx2-qt/MainWindow.h

@@ -87,6 +87,7 @@ public:
 public Q_SLOTS:
 	void checkForUpdates(bool display_message);
 	void refreshGameList(bool invalidate_cache);
+	void cancelGameListRefresh();
 	void invalidateSaveStateCache();
 	void reportError(const QString& title, const QString& message);
 	void runOnUIThread(const std::function<void()>& func);

pcsx2/HostSettings.cpp

@@ -116,6 +116,11 @@ std::vector<std::string> Host::GetStringListSetting(const char* section, const c
 	return s_layered_settings_interface.GetStringList(section, key);
 }
 
+SettingsInterface* Host::Internal::GetBaseSettingsLayer()
+{
+	return s_layered_settings_interface.GetLayer(LayeredSettingsInterface::LAYER_BASE);
+}
+
 void Host::Internal::SetBaseSettingsLayer(SettingsInterface* sif)
 {
 	pxAssertRel(s_layered_settings_interface.GetLayer(LayeredSettingsInterface::LAYER_BASE) == nullptr, "Base layer has not been set");

pcsx2/HostSettings.h

@@ -47,6 +47,9 @@ namespace Host
 
 	namespace Internal
 	{
+		/// Retrieves the base settings layer. Must call with lock held.
+		SettingsInterface* GetBaseSettingsLayer();
+
 		/// Sets the base settings layer. Should be called by the host at initialization time.
 		void SetBaseSettingsLayer(SettingsInterface* sif);
 

pcsx2/VMManager.h

@@ -211,4 +211,23 @@ namespace Host
 
 	/// Safely executes a function on the VM thread.
 	void RunOnCPUThread(std::function<void()> function, bool block = false);
+
+	/// Asynchronously starts refreshing the game list.
+	void RefreshGameListAsync(bool invalidate_cache);
+
+	/// Cancels game list refresh, if there is one in progress.
+	void CancelGameListRefresh();
+
+	/// Requests shut down and exit of the hosting application. This may not actually exit,
+	/// if the user cancels the shutdown confirmation.
+	void RequestExit(bool save_state_if_running);
+
+	/// Requests shut down of the current virtual machine.
+	void RequestVMShutdown(bool save_state);
+
+	/// Returns true if the hosting application is currently fullscreen.
+	bool IsFullscreen();
+
+	/// Alters fullscreen state of hosting application.
+	void SetFullscreen(bool enabled);
 }