X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsdl.c;h=df5b32425fe870d6c0d9547b19bafdc5b5e1bdcd;hb=6dd55346a5d7a35592294313893c14e0641e15ae;hp=877bb16eb3bdd35d0dff071a389a1cdbb95b2746;hpb=164e6c72eba4eac8002bd6b334579e78e5010d0f;p=rocksndiamonds.git

diff --git a/src/libgame/sdl.c b/src/libgame/sdl.c
index 877bb16e..df5b3242 100644
--- a/src/libgame/sdl.c
+++ b/src/libgame/sdl.c
@@ -3014,10 +3014,10 @@ static void DrawTouchInputOverlay_ShowGrid(int alpha)
 
 static void DrawTouchInputOverlay_ShowGridButtons(int alpha)
 {
-  static int alpha_max = SDL_ALPHA_OPAQUE / 2;
-  static int alpha_step = 5;
   static int alpha_direction = 0;
   static int alpha_highlight = 0;
+  int alpha_max = ALPHA_FROM_TRANSPARENCY(setup.touch.transparency);
+  int alpha_step = ALPHA_FADING_STEPSIZE(alpha_max);
   SDL_Rect rect;
   int grid_xsize = overlay.grid_xsize;
   int grid_ysize = overlay.grid_ysize;
@@ -3050,14 +3050,39 @@ static void DrawTouchInputOverlay_ShowGridButtons(int alpha)
 
   for (x = 0; x < grid_xsize; x++)
   {
-    rect.x = (x + 0) * video.screen_width / grid_xsize;
-    rect.w = (x + 1) * video.screen_width / grid_xsize - rect.x;
-
     for (y = 0; y < grid_ysize; y++)
     {
+      rect.x = (x + 0) * video.screen_width  / grid_xsize;
       rect.y = (y + 0) * video.screen_height / grid_ysize;
+      rect.w = (x + 1) * video.screen_width  / grid_xsize - rect.x;
       rect.h = (y + 1) * video.screen_height / grid_ysize - rect.y;
 
+      if (x == 0 ||
+	  overlay.grid_button[x - 1][y] != overlay.grid_button[x][y])
+      {
+	rect.x += 2;
+	rect.w -= 2;
+      }
+
+      if (x == grid_xsize - 1 ||
+	  overlay.grid_button[x + 1][y] != overlay.grid_button[x][y])
+      {
+	rect.w -= 2;
+      }
+
+      if (y == 0 ||
+	  overlay.grid_button[x][y - 1] != overlay.grid_button[x][y])
+      {
+	rect.y += 2;
+	rect.h -= 2;
+      }
+
+      if (y == grid_ysize - 1 ||
+	  overlay.grid_button[x][y + 1] != overlay.grid_button[x][y])
+      {
+	rect.h -= 2;
+      }
+
       if (overlay.grid_button[x][y] == overlay.grid_button_highlight)
 	SDL_SetRenderDrawColor(sdl_renderer, 255, 255, 255, alpha_highlight);
       else
@@ -3078,10 +3103,10 @@ static void DrawTouchInputOverlay()
   static boolean deactivated = TRUE;
   static boolean show_grid = FALSE;
   static int width = 0, height = 0;
-  static int alpha_max = SDL_ALPHA_OPAQUE / 2;
-  static int alpha_step = 5;
   static int alpha_last = -1;
   static int alpha = 0;
+  int alpha_max = ALPHA_FROM_TRANSPARENCY(setup.touch.transparency);
+  int alpha_step = ALPHA_FADING_STEPSIZE(alpha_max);
   boolean active = (overlay.enabled && overlay.active);
 
   if (!active && deactivated)