Added love.window.setScreenSaverEnabled and love.window.isScreenSaverEnabled (resolves issue #1088.)

src/modules/window/sdl/Window.cpp

@@ -67,6 +67,9 @@ Window::Window()
 	if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0)
 		throw love::Exception("Could not initialize SDL video subsystem (%s)", SDL_GetError());
 
+	// Make sure the screensaver doesn't activate by default.
+	setScreenSaverEnabled(false);
+
 	SDL_version version = {};
 	SDL_GetVersion(&version);
 	hasSDL203orEarlier = (version.major == 2 && version.minor == 0 && version.patch <= 3);
@@ -842,6 +845,19 @@ love::image::ImageData *Window::getIcon()
 	return curMode.icon.get();
 }
 
+void Window::setScreenSaverEnabled(bool enable)
+{
+	if (enable)
+		SDL_EnableScreenSaver();
+	else
+		SDL_DisableScreenSaver();
+}
+
+bool Window::isScreenSaverEnabled() const
+{
+	return SDL_IsScreenSaverEnabled() != SDL_FALSE;
+}
+
 void Window::minimize()
 {
 	if (window != nullptr)

src/modules/window/sdl/Window.h

@@ -70,6 +70,9 @@ public:
 	bool setIcon(love::image::ImageData *imgd);
 	love::image::ImageData *getIcon();
 
+	void setScreenSaverEnabled(bool enable);
+	bool isScreenSaverEnabled() const;
+
 	void minimize();
 	void maximize();