From 9509e07934fcbe24d83191dbcedc08de489c08b4 Mon Sep 17 00:00:00 2001
From: RedBlackAka <140876408+RedBlackAka@users.noreply.github.com>
Date: Mon, 15 Dec 2025 18:36:00 +0100
Subject: [PATCH] Handle more things for end emulation

---
 src/gui/wxgui/MainWindow.cpp           | 50 +++++++++++++++++++-------
 src/gui/wxgui/MainWindow.h             |  1 +
 src/gui/wxgui/input/HotkeySettings.cpp | 11 ++++++
 src/gui/wxgui/wxCemuConfig.cpp         |  3 ++
 src/gui/wxgui/wxCemuConfig.h           |  3 ++
 5 files changed, 56 insertions(+), 12 deletions(-)

diff --git a/src/gui/wxgui/MainWindow.cpp b/src/gui/wxgui/MainWindow.cpp
index 549f7c1a..dad5ea85 100644
--- a/src/gui/wxgui/MainWindow.cpp
+++ b/src/gui/wxgui/MainWindow.cpp
@@ -601,12 +601,7 @@ bool MainWindow::FileLoad(const fs::path launchPath, wxLaunchGameEvent::INITIATE
 	#endif
 
 	if (GetConfig().disable_screensaver)
-	{
 		ScreenSaver::SetInhibit(true);
-		// TODO: disable when only the game, not Cemu, is closed (a feature not yet implemented)
-		// currently unnecessary because this will happen automatically when Cemu closes
-		// ScreenSaver::SetInhibit(false);
-	}
 
 	if (FullscreenEnabled())
 		SetFullScreen(true);
@@ -686,13 +681,7 @@ void MainWindow::OnFileMenu(wxCommandEvent& event)
 	}
 	else if (menuId == MAINFRAME_MENU_ID_FILE_END_EMULATION)
 	{
-        CafeSystem::ShutdownTitle();
-		DestroyCanvas();
-		m_game_launched = false;
-		RecreateMenu();
-        CreateGameListAndStatusBar();
-        DoLayout();
-		UpdateChildWindowTitleRunningState();
+		EndEmulation();
 	}
 }
 
@@ -1771,6 +1760,42 @@ void MainWindow::SetFullScreen(bool state)
 		SetMenuVisible(true);
 }
 
+void MainWindow::EndEmulation() // unfinished - memory leaks and crashes after repeated use (after 3x usually)
+{
+	CafeSystem::ShutdownTitle();
+	DestroyCanvas();
+	m_game_launched = false;
+	m_launched_game_name.clear();
+	#ifdef ENABLE_DISCORD_RPC
+	if (m_discord)
+		m_discord->UpdatePresence(DiscordPresence::Idling, "");
+	#endif
+
+	if (GetConfig().disable_screensaver)
+		ScreenSaver::SetInhibit(false);
+
+	// close memory searcher if created
+	if (m_toolWindow)
+	{
+		m_toolWindow->Close();
+		m_toolWindow = nullptr;
+		m_memorySearcherMenuItem->Enable(false);
+	}
+
+	// unsure about this, but seems to free up additional 10 MB memory, see LatteThread.cpp
+	if (g_renderer) 
+	{
+		g_renderer->Shutdown();
+		delete g_renderer.get();
+		g_renderer.release();
+	}
+
+	RecreateMenu();
+	CreateGameListAndStatusBar();
+	DoLayout();
+	UpdateChildWindowTitleRunningState();
+}
+
 void MainWindow::SetMenuVisible(bool state)
 {
 	if (m_menu_visible == state)
@@ -2167,6 +2192,7 @@ void MainWindow::RecreateMenu()
 		// add 'Stop emulation' menu entry to file menu
 #ifdef CEMU_DEBUG_ASSERT
 		m_fileMenu->Append(MAINFRAME_MENU_ID_FILE_END_EMULATION, _("Stop emulation"));
+		m_fileMenuSeparator1 = m_fileMenu->AppendSeparator()
 #endif
 	}
 
diff --git a/src/gui/wxgui/MainWindow.h b/src/gui/wxgui/MainWindow.h
index 0e80b16d..eec043b8 100644
--- a/src/gui/wxgui/MainWindow.h
+++ b/src/gui/wxgui/MainWindow.h
@@ -71,6 +71,7 @@ public:
 	[[nodiscard]] bool IsGameLaunched() const { return m_game_launched; }
 
 	void SetFullScreen(bool state);
+	void EndEmulation();
 	void SetMenuVisible(bool state);
 	void UpdateNFCMenu();
 	bool IsMenuHidden() const;
diff --git a/src/gui/wxgui/input/HotkeySettings.cpp b/src/gui/wxgui/input/HotkeySettings.cpp
index 0bf59025..cadf3e9d 100644
--- a/src/gui/wxgui/input/HotkeySettings.cpp
+++ b/src/gui/wxgui/input/HotkeySettings.cpp
@@ -6,6 +6,7 @@
 #include "HotkeySettings.h"
 #include "MainWindow.h"
 
+#include <wx/app.h>
 #include <wx/clipbrd.h>
 
 #if BOOST_OS_WINDOWS
@@ -157,6 +158,9 @@ HotkeySettings::HotkeySettings(wxWindow* parent)
 	CreateHotkeyRow(_tr("Toggle fullscreen"), s_cfgHotkeys.toggleFullscreen);
 	CreateHotkeyRow(_tr("Take screenshot"), s_cfgHotkeys.takeScreenshot);
 	CreateHotkeyRow(_tr("Toggle fast-forward"), s_cfgHotkeys.toggleFastForward);
+#ifdef CEMU_DEBUG_ASSERT
+	CreateHotkeyRow(_tr("End emulation"), s_cfgHotkeys.endEmulation);
+#endif
 
 	m_controllerTimer = new wxTimer(this);
 	Bind(wxEVT_TIMER, &HotkeySettings::OnControllerTimer, this);
@@ -192,6 +196,13 @@ void HotkeySettings::Init(MainWindow* mainWindowFrame)
 		{&s_cfgHotkeys.toggleFastForward, [](void) {
 			 ActiveSettings::SetTimerShiftFactor((ActiveSettings::GetTimerShiftFactor() < 3) ? 3 : 1);
 		 }},
+#ifdef CEMU_DEBUG_ASSERT
+		{&s_cfgHotkeys.endEmulation, [](void) {
+			 wxTheApp->CallAfter([]() {
+				s_mainWindow->EndEmulation();
+			 });
+		 }},
+#endif
 	});
 
 	s_keyboardHotkeyToFuncMap.reserve(s_cfgHotkeyToFuncMap.size());
diff --git a/src/gui/wxgui/wxCemuConfig.cpp b/src/gui/wxgui/wxCemuConfig.cpp
index bbd24ab4..3c5080d2 100644
--- a/src/gui/wxgui/wxCemuConfig.cpp
+++ b/src/gui/wxgui/wxCemuConfig.cpp
@@ -115,6 +115,9 @@ void wxCemuConfig::Load(XMLConfigParser& parser)
 	hotkeys.toggleFullscreenAlt = xml_hotkeys.get("ToggleFullscreenAlt", sHotkeyCfg{uKeyboardHotkey{WXK_CONTROL_M, true}}); // ALT+ENTER
 	hotkeys.takeScreenshot = xml_hotkeys.get("TakeScreenshot", sHotkeyCfg{uKeyboardHotkey{WXK_F12}});
 	hotkeys.toggleFastForward = xml_hotkeys.get("ToggleFastForward", sHotkeyCfg{});
+#ifdef CEMU_DEBUG_ASSERT
+	hotkeys.endEmulation = xml_hotkeys.get("EndEmulation", sHotkeyCfg{uKeyboardHotkey{WXK_F5}});
+#endif
 }
 
 void wxCemuConfig::Save(XMLConfigParser& config)
diff --git a/src/gui/wxgui/wxCemuConfig.h b/src/gui/wxgui/wxCemuConfig.h
index 9463d4df..a2f758dd 100644
--- a/src/gui/wxgui/wxCemuConfig.h
+++ b/src/gui/wxgui/wxCemuConfig.h
@@ -127,6 +127,9 @@ struct wxCemuConfig
 		sHotkeyCfg exitFullscreen;
 		sHotkeyCfg takeScreenshot;
 		sHotkeyCfg toggleFastForward;
+#ifdef CEMU_DEBUG_ASSERT
+		sHotkeyCfg endEmulation;
+#endif
 	} hotkeys{};
 
 	void AddRecentlyLaunchedFile(std::string_view file);