Emscripten: Disable hopefully all ways to quit

Also fix FPS going nuts when recreating the window by setting it again every time.

src/Config.template.h

@@ -18,6 +18,7 @@ constexpr bool ENFORCE_HTTPS            = @ENFORCE_HTTPS@;
 constexpr bool SECURE_CIPHERS_ONLY      = @SECURE_CIPHERS_ONLY@;
 constexpr bool FFTW_PLAN_MEASURE        = @FFTW_PLAN_MEASURE@;
 constexpr bool DEFAULT_VSYNC            = @DEFAULT_VSYNC@;
+constexpr bool ALLOW_QUIT               = @ALLOW_QUIT@;
 constexpr char PATH_SEP_CHAR            = '@PATH_SEP_CHAR@';
 
 constexpr char SERVER[]         = "@SERVER@";

src/PowderToySDL.cpp

@@ -223,6 +223,7 @@ bool RecreateWindow()
 	//SDL_SetWindowResizable(sdl_window, SDL_TRUE);
 
 	LoadWindowPosition();
+	UpdateFpsLimit();
 
 	return true;
 }
@@ -233,15 +234,17 @@ void EventProcess(const SDL_Event &event)
 	switch (event.type)
 	{
 	case SDL_QUIT:
-		if (engine.GetFastQuit() || engine.CloseWindow())
+		if (ALLOW_QUIT && (engine.GetFastQuit() || engine.CloseWindow()))
+		{
 			engine.Exit();
+		}
 		break;
 	case SDL_KEYDOWN:
 		if (SDL_GetModState() & KMOD_GUI)
 		{
 			break;
 		}
-		if (!event.key.repeat && event.key.keysym.sym == 'q' && (event.key.keysym.mod&KMOD_CTRL))
+		if (ALLOW_QUIT && !event.key.repeat && event.key.keysym.sym == 'q' && (event.key.keysym.mod&KMOD_CTRL))
 			engine.ConfirmExit();
 		else
 			engine.onKeyPress(event.key.keysym.sym, event.key.keysym.scancode, event.key.repeat, event.key.keysym.mod&KMOD_SHIFT, event.key.keysym.mod&KMOD_CTRL, event.key.keysym.mod&KMOD_ALT);

src/PowderToySDL.h

@@ -49,3 +49,4 @@ void SaveWindowPosition();
 void LargeScreenDialog();
 void TickClient();
 void EventProcess(const SDL_Event &event);
+void UpdateFpsLimit();

src/PowderToySDLCommon.cpp

@@ -12,3 +12,7 @@ void MainLoop()
 void SetFpsLimit(FpsLimit newFpsLimit)
 {
 }
+
+void UpdateFpsLimit()
+{
+}

src/PowderToySDLEmscripten.cpp

@@ -39,10 +39,15 @@ void SetFpsLimit(FpsLimit newFpsLimit)
 	}
 }
 
+void UpdateFpsLimit()
+{
+	SetFpsLimit(ui::Engine::Ref().GetFpsLimit());
+}
+
 // Is actually only called once at startup, the real main loop body is MainLoopBody.
 void MainLoop()
 {
-	SetFpsLimit(ui::Engine::Ref().GetFpsLimit());
+	UpdateFpsLimit();
 	MainLoopBody();
 	EM_ASM({
 		let canvas = document.querySelector("canvas.emscripten");

src/gui/game/GameView.cpp

@@ -1495,7 +1495,10 @@ void GameView::OnKeyPress(int key, int scan, bool repeat, bool shift, bool ctrl,
 		break;
 	case SDL_SCANCODE_ESCAPE:
 	case SDL_SCANCODE_Q:
-		ui::Engine::Ref().ConfirmExit();
+		if (ALLOW_QUIT)
+		{
+			ui::Engine::Ref().ConfirmExit();
+		}
 		break;
 	case SDL_SCANCODE_U:
 		if (ctrl)

src/gui/options/OptionsView.cpp

@@ -18,6 +18,7 @@
 #include "gui/interface/Textbox.h"
 #include "gui/interface/DirectionSelector.h"
 #include "PowderToySDL.h"
+#include "Config.h"
 #include <cstdio>
 #include <cstring>
 #include <cmath>
@@ -264,9 +265,12 @@ OptionsView::OptionsView() : ui::Window(ui::Point(-1, -1), ui::Point(320, 340))
 		c->SetForceIntegerScaling(forceIntegerScaling->GetChecked());
 	});
 	addSeparator();
-	fastquit = addCheckbox(0, "Fast quit", "Always exit completely when hitting close", [this] {
-		c->SetFastQuit(fastquit->GetChecked());
-	});
+	if (ALLOW_QUIT)
+	{
+		fastquit = addCheckbox(0, "Fast quit", "Always exit completely when hitting close", [this] {
+			c->SetFastQuit(fastquit->GetChecked());
+		});
+	}
 	showAvatars = addCheckbox(0, "Show avatars", "Disable if you have a slow connection", [this] {
 		c->SetShowAvatars(showAvatars->GetChecked());
 	});
@@ -424,7 +428,10 @@ void OptionsView::NotifySettingsChanged(OptionsModel * sender)
 	fullscreen->SetChecked(sender->GetFullscreen());
 	altFullscreen->SetChecked(sender->GetAltFullscreen());
 	forceIntegerScaling->SetChecked(sender->GetForceIntegerScaling());
-	fastquit->SetChecked(sender->GetFastQuit());
+	if (fastquit)
+	{
+		fastquit->SetChecked(sender->GetFastQuit());
+	}
 	showAvatars->SetChecked(sender->GetShowAvatars());
 	mouseClickRequired->SetChecked(sender->GetMouseClickRequired());
 	includePressure->SetChecked(sender->GetIncludePressure());

src/gui/options/OptionsView.h

@@ -31,7 +31,7 @@ class OptionsView: public ui::Window
 	ui::Checkbox * fullscreen;
 	ui::Checkbox * altFullscreen;
 	ui::Checkbox * forceIntegerScaling;
-	ui::Checkbox * fastquit;
+	ui::Checkbox * fastquit = nullptr;
 	ui::DropDown * decoSpace;
 	ui::Checkbox * showAvatars;
 	ui::Checkbox * momentumScroll;

src/meson.build

@@ -21,10 +21,15 @@ conf_data.set('UPDATESERVER', update_server)
 conf_data.set('USE_UPDATESERVER', update_server != '' ? 'true' : 'false')
 
 enforce_https = get_option('enforce_https')
+allow_quit = true
+if host_platform == 'emscripten'
+	allow_quit = false
+endif
 secure_ciphers_only = get_option('secure_ciphers_only')
 if not is_debug and not enforce_https
 	error('refusing to build a release binary without enforcing HTTPS, configure with -Denforce_https=true to fix this error')
 endif
+conf_data.set('ALLOW_QUIT', allow_quit ? 'true' : 'false')
 conf_data.set('ENFORCE_HTTPS', enforce_https ? 'true' : 'false')
 conf_data.set('SECURE_CIPHERS_ONLY', secure_ciphers_only ? 'true' : 'false')