(OSX) Add proper full screen tracking

apple/RetroArch/RAGameView.m

@@ -312,6 +312,31 @@ void *apple_get_proc_address(const char *symbol_name)
 #endif
 }
 
+bool apple_set_video_mode(unsigned width, unsigned height, bool fullscreen)
+{
+   __block bool result = true;
+   
+#ifdef OSX
+   dispatch_sync(dispatch_get_main_queue(),
+   ^{
+      // TODO: Multi-monitor support
+      // TODO: Sceen mode support
+      
+      if (fullscreen)
+         result = [g_view enterFullScreenMode:[NSScreen mainScreen] withOptions:nil];
+      else
+      {
+         [g_view exitFullScreenModeWithOptions:nil];
+         [g_view.window makeFirstResponder:g_view];
+      }
+   });
+#endif
+
+   // TODO: Maybe iOS users should be apple to show/hide the status bar here?
+
+   return result;
+}
+
 #ifdef IOS
 void apple_bind_game_view_fbo(void)
 {

apple/RetroArch/rarch_wrapper.h

@@ -26,6 +26,7 @@ void apple_rarch_exited (void* result);
 // These functions must only be called in gfx/context/ioseagl_ctx.c
 bool apple_init_game_view(void);
 void apple_destroy_game_view(void);
+bool apple_set_video_mode(unsigned width, unsigned height, bool fullscreen);
 void apple_flip_game_view(void);
 void apple_set_game_view_sync(unsigned interval);
 void apple_get_game_view_size(unsigned *width, unsigned *height);

gfx/context/apple_gl_ctx.c

@@ -42,10 +42,7 @@ static bool gfx_ctx_set_video_mode(
       unsigned width, unsigned height,
       bool fullscreen)
 {
-   (void)width;
-   (void)height;
-   (void)fullscreen;
-   return true;
+   return apple_set_video_mode(width, height, fullscreen);
 }
 
 static void gfx_ctx_update_window_title(void)