changed resizing window instead of recreating it on window size changes

[rocksndiamonds.git] / src / libgame / sdl.c

diff --git a/src/libgame/sdl.c b/src/libgame/sdl.c
index b75f2c8c6e58f27c5c359bbf573df1cec32cc525..094b656511e88ae2614a4503345fbe610e46951a 100644 (file)
--- a/src/libgame/sdl.c
+++ b/src/libgame/sdl.c
@@ -69,12 +69,11 @@ static void FinalizeScreen(int draw_target)
 
 static void UpdateScreenExt(SDL_Rect *rect, boolean with_frame_delay)
 {
-  static unsigned int update_screen_delay = 0;
-  unsigned int update_screen_delay_value = 50;         // (milliseconds)
+  static DelayCounter update_screen_delay = { 50 };    // (milliseconds)
   SDL_Surface *screen = backbuffer->surface;
 
   if (limit_screen_updates &&
-      !DelayReached(&update_screen_delay, update_screen_delay_value))
+      !DelayReached(&update_screen_delay))
     return;
 
   LimitScreenUpdates(FALSE);
@@ -154,24 +153,23 @@ static void UpdateScreenExt(SDL_Rect *rect, boolean with_frame_delay)
   SDL_Rect src_rect_up = { 0, 0,  video.width, video.height };
   SDL_Rect dst_rect_up = dst_rect_screen;
 
-  if (video.shifted_up || video.shifted_up_delay)
+  if (video.shifted_up || video.shifted_up_delay.count)
   {
     int time_current = SDL_GetTicks();
     int pos = video.shifted_up_pos;
     int pos_last = video.shifted_up_pos_last;
 
-    if (!DelayReachedExt(&video.shifted_up_delay, video.shifted_up_delay_value,
-                        time_current))
+    if (!DelayReachedExt(&video.shifted_up_delay, time_current))
     {
-      int delay = time_current - video.shifted_up_delay;
-      int delay_value = video.shifted_up_delay_value;
+      int delay_count = time_current - video.shifted_up_delay.count;
+      int delay_value = video.shifted_up_delay.value;
 
-      pos = pos_last + (pos - pos_last) * delay / delay_value;
+      pos = pos_last + (pos - pos_last) * delay_count / delay_value;
     }
     else
     {
       video.shifted_up_pos_last = pos;
-      video.shifted_up_delay = 0;
+      video.shifted_up_delay.count = 0;
     }
 
     src_rect_up.y = pos;
@@ -225,7 +223,7 @@ static void UpdateScreenExt(SDL_Rect *rect, boolean with_frame_delay)
 
   // global synchronization point of the game to align video frame delay
   if (with_frame_delay)
-    WaitUntilDelayReached(&video.frame_delay, video.frame_delay_value);
+    WaitUntilDelayReached(&video.frame_delay);
 
   video.frame_counter++;
 
@@ -264,7 +262,7 @@ static void SDLSetWindowIcon(char *basename)
   // (setting the window icon on Mac OS X would replace the high-quality
   // dock icon with the currently smaller (and uglier) icon from file)
 
-#if !defined(PLATFORM_MACOSX)
+#if !defined(PLATFORM_MAC)
   char *filename = getCustomImageFilename(basename);
   SDL_Surface *surface;
 
@@ -555,6 +553,7 @@ static boolean SDLCreateScreen(boolean fullscreen)
   int screen_height = video.screen_height;
   int surface_flags = (fullscreen ? surface_flags_fullscreen :
                       surface_flags_window);
+  int display_nr = options.display_nr;
 
   // default window size is unscaled
   video.window_width  = screen_width;
@@ -590,15 +589,14 @@ static boolean SDLCreateScreen(boolean fullscreen)
 
     if (sdl_window)
     {
-      SDL_DestroyWindow(sdl_window);
-      sdl_window = NULL;
+      SDL_SetWindowSize(sdl_window, video.window_width, video.window_height);
     }
   }
 
   if (sdl_window == NULL)
     sdl_window = SDL_CreateWindow(program.window_title,
-                                 SDL_WINDOWPOS_CENTERED,
-                                 SDL_WINDOWPOS_CENTERED,
+                                 SDL_WINDOWPOS_CENTERED_DISPLAY(display_nr),
+                                 SDL_WINDOWPOS_CENTERED_DISPLAY(display_nr),
                                  video.window_width,
                                  video.window_height,
                                  surface_flags);
@@ -798,7 +796,8 @@ void SDLSetWindowFullscreen(boolean fullscreen)
   {
     SDLSetWindowScaling(setup.window_scaling_percent);
     SDL_SetWindowPosition(sdl_window,
-                         SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
+                         SDL_WINDOWPOS_CENTERED_DISPLAY(options.display_nr),
+                         SDL_WINDOWPOS_CENTERED_DISPLAY(options.display_nr));
 
     video.fullscreen_initial = FALSE;
   }