Implement mouse-hiding in fullscreen

src/Backends/Platform.h

@@ -8,6 +8,7 @@ void PlatformBackend_Init(void);
 void PlatformBackend_Deinit(void);
 void PlatformBackend_PostWindowCreation(void);
 BOOL PlatformBackend_GetBasePath(char *string_buffer);
+void PlatformBackend_HideMouse(void);
 BOOL PlatformBackend_SystemTask(void);
 void PlatformBackend_ShowMessageBox(const char *title, const char *message);
 unsigned long PlatformBackend_GetTicks(void);

src/Backends/Platform/GLFW3.cpp

@@ -279,6 +279,11 @@ BOOL PlatformBackend_GetBasePath(char *string_buffer)
 	return FALSE;
 }
 
+void PlatformBackend_HideMouse(void)
+{
+	glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_HIDDEN);
+}
+
 BOOL PlatformBackend_SystemTask(void)
 {
 	if (glfwWindowShouldClose(window))

src/Backends/Platform/SDL2.cpp

@@ -64,6 +64,11 @@ BOOL PlatformBackend_GetBasePath(char *string_buffer)
 	return TRUE;
 }
 
+void PlatformBackend_HideMouse(void)
+{
+	SDL_ShowCursor(SDL_DISABLE);
+}
+
 BOOL PlatformBackend_SystemTask(void)
 {
 	while (SDL_PollEvent(NULL) || !bActive)

src/Main.cpp

@@ -93,6 +93,7 @@ int main(int argc, char *argv[])
 	// Get executable's path
 	if (!PlatformBackend_GetBasePath(gModulePath))
 	{
+		// Fall back on argv[0] if the backend cannot provide a path
 		strcpy(gModulePath, argv[0]);
 
 		for (size_t i = strlen(gModulePath);; --i)
@@ -269,7 +270,7 @@ int main(int argc, char *argv[])
 
 			bFullscreen = TRUE;
 
-			//SDL_ShowCursor(SDL_DISABLE);
+			PlatformBackend_HideMouse();
 			break;
 	}