Get window position accounts for borders now.

sdl_handmade.c

@@ -143,8 +143,15 @@ static sdl_window_size SDLGetWindowSize(SDL_Window *Window)
 
 static sdl_window_position SDLGetWindowPosition(SDL_Window *Window)
 {
+    // NOTE: SDL_GetWindowPosition returns the client area position.
+    S32 top, left;
+    SDL_GetWindowBordersSize(Window, &top, &left, 0, 0);
+
     sdl_window_position Position;
     SDL_GetWindowPosition(Window, &Position.X, &Position.Y);
+    Position.X -= left;
+    Position.Y -= top;
+
     return Position;
 }
 
@@ -300,15 +307,13 @@ static void HandleEvent(SDL_Event *Event)
     }
 }
 
-// NOTE: On XFCE4 (tested on X11), the window moves slightly lower than the set position, for whatever reason.
-//       Maybe, we need to redraw inside of the window atleast once before repositioning?
-//       This issue does not happen on MacOS.
 static void SDLToggleFullscreen(SDL_Window *Window)
 {
     if(IsFullscreen) {
         if(SDL_SetWindowFullscreen(Window, 0) == 0) {
             SDL_SetWindowSize(Window, WindowSize.Width, WindowSize.Height);
             SDL_SetWindowPosition(Window, WindowPosition.X, WindowPosition.Y);
+
             IsFullscreen = FALSE;
         } else {
             /* TODO: This didn't work . . . SDL_GetError() */
@@ -602,6 +607,7 @@ S32 main(S32 argc, char *argv[])
     /* NOTE: We create the window hidden at first. This is so that we do not get a window outline
      *       that shows up whilst it is waiting for the rendered to be created. We want to display
      *       the window once everything is ready. */
+    // TODO: SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, in non-debug build
     SDL_Window *Window = SDL_CreateWindow("Handmade Hero", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, RESOLUTION_WIDTH+20, RESOLUTION_HEIGHT+20, SDL_WINDOW_HIDDEN | SDL_WINDOW_RESIZABLE/* | SDL_WINDOW_ALWAYS_ON_TOP*/);
 
     if(Window) {