changed resizing window instead of recreating it on window size changes
[rocksndiamonds.git] / src / libgame / sdl.c
index cbdbdc1cfcac586f1a414bc5e2f3d053a3636d2b..094b656511e88ae2614a4503345fbe610e46951a 100644 (file)
@@ -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);
@@ -151,28 +150,31 @@ static void UpdateScreenExt(SDL_Rect *rect, boolean with_frame_delay)
     dst_rect1 = &dst_rect_screen;
 
 #if defined(HAS_SCREEN_KEYBOARD)
-  if (video.shifted_up || video.shifted_up_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.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;
     }
 
-    SDL_Rect src_rect_up = { 0,    pos,  video.width, video.height - pos };
-    SDL_Rect dst_rect_up = { xoff, yoff, video.width, video.height - pos };
+    src_rect_up.y = pos;
+    src_rect_up.h = video.height - pos;
+    dst_rect_up.h = video.height - pos;
 
     if (video.screen_rendering_mode == SPECIAL_RENDERING_TARGET ||
        video.screen_rendering_mode == SPECIAL_RENDERING_DOUBLE)
@@ -221,7 +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++;
 
@@ -260,7 +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;
 
@@ -297,14 +299,28 @@ static boolean equalSDLPixelFormat(SDL_PixelFormat *format1,
          format1->Bmask         == format2->Bmask);
 }
 
-static Pixel SDLGetColorKey(SDL_Surface *surface)
+static void SDLCopyColorKey(SDL_Surface *src_surface, SDL_Surface *dst_surface)
 {
   Pixel color_key;
+  Uint8 r, g, b;
+
+  // check if source surface has a color key
+  if (SDL_GetColorKey(src_surface, &color_key) == 0)
+  {
+    // get RGB values of color key of source surface
+    SDL_GetRGB(color_key, src_surface->format, &r, &g, &b);
 
-  if (SDL_GetColorKey(surface, &color_key) != 0)
-    return -1;
+    // get color key from RGB values in destination surface format
+    color_key = SDL_MapRGB(dst_surface->format, r, g, b);
 
-  return color_key;
+    // set color key in destination surface
+    SDL_SetColorKey(dst_surface, SET_TRANSPARENT_PIXEL, color_key);
+  }
+  else
+  {
+    // unset color key in destination surface
+    SDL_SetColorKey(dst_surface, UNSET_TRANSPARENT_PIXEL, 0);
+  }
 }
 
 static boolean SDLHasColorKey(SDL_Surface *surface)
@@ -324,7 +340,7 @@ static boolean SDLHasAlpha(SDL_Surface *surface)
   return (blend_mode == SDL_BLENDMODE_BLEND);
 }
 
-static void SDLSetAlpha(SDL_Surface *surface, boolean set, int alpha)
+void SDLSetAlpha(SDL_Surface *surface, boolean set, int alpha)
 {
   SDL_BlendMode blend_mode = (set ? SDL_BLENDMODE_BLEND : SDL_BLENDMODE_NONE);
 
@@ -366,8 +382,7 @@ SDL_Surface *SDLGetNativeSurface(SDL_Surface *surface)
 
   // workaround for a bug in SDL 2.0.12 (which does not convert the color key)
   if (SDLHasColorKey(surface) && !SDLHasColorKey(new_surface))
-    SDL_SetColorKey(new_surface, SET_TRANSPARENT_PIXEL,
-                   SDLGetColorKey(surface));
+    SDLCopyColorKey(surface, new_surface);
 
   return new_surface;
 }
@@ -538,6 +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;
@@ -573,15 +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);
@@ -781,7 +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;
   }
@@ -863,6 +879,8 @@ void SDLSetScreenProperties(void)
   SDLSetDisplaySize();
   SDLSetScreenSizeAndOffsets(video.width, video.height);
   SDLSetScreenSizeForRenderer(video.screen_width, video.screen_height);
+
+  SetOverlayGridSizeAndButtons();
 }
 
 void SDLSetScreenRenderingMode(char *screen_rendering_mode)
@@ -1210,6 +1228,9 @@ void SDLFadeRectangle(int x, int y, int width, int height,
          draw_border_function();
 
        UpdateScreen_WithFrameDelay(&dst_rect2);
+
+       if (PendingEscapeKeyEvent())
+         break;
       }
     }
   }
@@ -1266,6 +1287,9 @@ void SDLFadeRectangle(int x, int y, int width, int height,
 
       // only update the region of the screen that is affected from fading
       UpdateScreen_WithFrameDelay(&dst_rect2);
+
+      if (PendingEscapeKeyEvent())
+       break;
     }
   }
   else         // fading in, fading out or cross-fading
@@ -1292,6 +1316,9 @@ void SDLFadeRectangle(int x, int y, int width, int height,
 
       // only update the region of the screen that is affected from fading
       UpdateScreen_WithFrameDelay(&dst_rect);
+
+      if (PendingEscapeKeyEvent())
+       break;
     }
   }
 
@@ -2269,8 +2296,7 @@ Bitmap *SDLZoomBitmap(Bitmap *src_bitmap, int dst_width, int dst_height)
 
   // set color key for zoomed surface from source surface, if defined
   if (SDLHasColorKey(src_surface))
-    SDL_SetColorKey(dst_surface, SET_TRANSPARENT_PIXEL,
-                   SDLGetColorKey(src_surface));
+    SDLCopyColorKey(src_surface, dst_surface);
 
   // create native non-transparent surface for opaque blitting
   dst_bitmap->surface = SDLGetOpaqueSurface(dst_surface);
@@ -2695,7 +2721,7 @@ void SDLInitJoysticks(void)
   boolean print_warning = !sdl_joystick_subsystem_initialized;
   char *mappings_file_base = getPath2(options.conf_directory,
                                      GAMECONTROLLER_BASENAME);
-  char *mappings_file_user = getPath2(getUserGameDataDir(),
+  char *mappings_file_user = getPath2(getMainUserGameDataDir(),
                                      GAMECONTROLLER_BASENAME);
   int num_mappings;
   int i;