Qt: Add Delete Save States to load menu

pcsx2-qt/MainWindow.cpp

@@ -2395,6 +2395,7 @@ void MainWindow::populateLoadStateMenu(QMenu* menu, const QString& filename, con
 		return;
 
 	const bool is_right_click_menu = (menu != m_ui.menuLoadState);
+	bool has_any_states = false;
 
 	QAction* action = menu->addAction(is_right_click_menu ? tr("Load State File...") : tr("Load From File..."));
 	connect(action, &QAction::triggered, [this, filename]() {
@@ -2405,6 +2406,8 @@ void MainWindow::populateLoadStateMenu(QMenu* menu, const QString& filename, con
 		loadSaveStateFile(filename, path);
 	});
 
+	QAction* delete_save_states_action = menu->addAction(tr("Delete Save States..."));
+
 	// don't include undo in the right click menu
 	if (!is_right_click_menu)
 	{
@@ -2427,10 +2430,11 @@ void MainWindow::populateLoadStateMenu(QMenu* menu, const QString& filename, con
 
 			// Make bold to indicate it's the default choice when double-clicking
 			QtUtils::MarkActionAsDefault(action);
+			has_any_states = true;
 		}
 	}
 
-	for (s32 i = 1; i <= NUM_SAVE_STATE_SLOTS; i++)
+	for (s32 i = 1; i <= VMManager::NUM_SAVE_STATE_SLOTS; i++)
 	{
 		FILESYSTEM_STAT_DATA sd;
 		state_filename = VMManager::GetSaveStateFileName(game_serial_utf8.constData(), crc, i);
@@ -2439,6 +2443,25 @@ void MainWindow::populateLoadStateMenu(QMenu* menu, const QString& filename, con
 
 		action = menu->addAction(tr("Load Slot %1 (%2)").arg(i).arg(formatTimestampForSaveStateMenu(sd.ModificationTime)));
 		connect(action, &QAction::triggered, [this, i]() { loadSaveStateSlot(i); });
+		has_any_states = true;
+	}
+
+	delete_save_states_action->setEnabled(has_any_states);
+	if (has_any_states)
+	{
+		connect(delete_save_states_action, &QAction::triggered, this, [this, serial, crc] {
+			if (QMessageBox::warning(
+					this, tr("Delete Save States"),
+					tr("Are you sure you want to delete all save states for %1?\n\nThe saves will not be recoverable.")
+						.arg(serial),
+					QMessageBox::Yes, QMessageBox::No) != QMessageBox::Yes)
+			{
+				return;
+			}
+
+			const u32 deleted = VMManager::DeleteSaveStates(serial.toUtf8().constData(), crc, true);
+			QMessageBox::information(this, tr("Delete Save States"), tr("%1 save states deleted.").arg(deleted));
+		});
 	}
 }
 
@@ -2458,7 +2481,7 @@ void MainWindow::populateSaveStateMenu(QMenu* menu, const QString& serial, quint
 	menu->addSeparator();
 
 	const QByteArray game_serial_utf8(serial.toUtf8());
-	for (s32 i = 1; i <= NUM_SAVE_STATE_SLOTS; i++)
+	for (s32 i = 1; i <= VMManager::NUM_SAVE_STATE_SLOTS; i++)
 	{
 		std::string filename(VMManager::GetSaveStateFileName(game_serial_utf8.constData(), crc, i));
 		FILESYSTEM_STAT_DATA sd;

pcsx2-qt/MainWindow.h

@@ -175,11 +175,6 @@ protected:
 	void dropEvent(QDropEvent* event) override;
 
 private:
-	enum : s32
-	{
-		NUM_SAVE_STATE_SLOTS = 10,
-	};
-
 	static void setStyleFromSettings();
 	static void setIconThemeFromStyle();
 

pcsx2/Frontend/FullscreenUI.cpp

@@ -61,8 +61,6 @@
 #include "Frontend/Achievements.h"
 #endif
 
-static constexpr s32 MAX_SAVE_STATE_SLOTS = 10;
-
 using ImGuiFullscreen::g_large_font;
 using ImGuiFullscreen::g_layout_padding_left;
 using ImGuiFullscreen::g_layout_padding_top;
@@ -3841,7 +3839,7 @@ u32 FullscreenUI::PopulateSaveStateListEntries(const std::string& title, const s
 {
 	ClearSaveStateEntryList();
 
-	for (s32 i = 0; i <= MAX_SAVE_STATE_SLOTS; i++)
+	for (s32 i = 0; i <= VMManager::NUM_SAVE_STATE_SLOTS; i++)
 	{
 		SaveStateListEntry li;
 		if (InitializeSaveStateListEntry(&li, title, serial, crc, i) || !s_save_state_selector_loading)

pcsx2/VMManager.cpp

@@ -1275,6 +1275,28 @@ void VMManager::WaitForSaveStateFlush()
 	}
 }
 
+u32 VMManager::DeleteSaveStates(const char* game_serial, u32 game_crc, bool also_backups /* = true */)
+{
+	WaitForSaveStateFlush();
+
+	u32 deleted = 0;
+	for (s32 i = -1; i <= NUM_SAVE_STATE_SLOTS; i++)
+	{
+		std::string filename(GetSaveStateFileName(game_serial, game_crc, i));
+		if (FileSystem::FileExists(filename.c_str()) && FileSystem::DeleteFilePath(filename.c_str()))
+			deleted++;
+
+		if (also_backups)
+		{
+			filename += ".backup";
+			if (FileSystem::FileExists(filename.c_str()) && FileSystem::DeleteFilePath(filename.c_str()))
+				deleted++;
+		}
+	}
+
+	return deleted;
+}
+
 bool VMManager::LoadState(const char* filename)
 {
 #ifdef ENABLE_ACHIEVEMENTS

pcsx2/VMManager.h

@@ -52,6 +52,9 @@ struct VMBootParameters
 
 namespace VMManager
 {
+	/// The number of usable save state slots.
+	static constexpr s32 NUM_SAVE_STATE_SLOTS = 10;
+
 	/// Makes sure that AVX2 is available if we were compiled with it.
 	bool PerformEarlyHardwareChecks(const char** error);
 
@@ -127,6 +130,9 @@ namespace VMManager
 	/// Waits until all compressing save states have finished saving to disk.
 	void WaitForSaveStateFlush();
 
+	/// Removes all save states for the specified serial and crc. Returns the number of files deleted.
+	u32 DeleteSaveStates(const char* game_serial, u32 game_crc, bool also_backups = true);
+
 	/// Returns the current limiter mode.
 	LimiterModeType GetLimiterMode();