improved virtual buttons for touch devices (Android)
[rocksndiamonds.git] / src / libgame / system.c
index 8df809cd787ba19cdc91041866a11d432c397597..5443e87da6ebd560a3ef446c8f45d4f107b4ed15 100644 (file)
@@ -33,6 +33,7 @@ struct OptionInfo     options;
 struct VideoSystemInfo video;
 struct AudioSystemInfo audio;
 struct GfxInfo         gfx;
+struct OverlayInfo     overlay;
 struct ArtworkInfo     artwork;
 struct JoystickInfo    joystick;
 struct SetupInfo       setup;
@@ -50,6 +51,7 @@ DrawBuffer           *drawto = NULL;
 
 int                    button_status = MB_NOT_PRESSED;
 boolean                        motion_status = FALSE;
+int                    wheel_steps = DEFAULT_WHEEL_STEPS;
 #if defined(TARGET_SDL2)
 boolean                        keyrepeat_status = TRUE;
 #endif
@@ -201,24 +203,26 @@ void InitGfxDoor3Info(int ex, int ey, int exsize, int eysize)
 
 void InitGfxWindowInfo(int win_xsize, int win_ysize)
 {
-  gfx.win_xsize = win_xsize;
-  gfx.win_ysize = win_ysize;
-
-  gfx.background_bitmap_mask = REDRAW_NONE;
-
-  ReCreateBitmap(&gfx.background_bitmap, win_xsize, win_ysize, DEFAULT_DEPTH);
+  if (win_xsize != gfx.win_xsize || win_ysize != gfx.win_ysize)
+  {
+    ReCreateBitmap(&gfx.background_bitmap, win_xsize, win_ysize);
 
 #if defined(TARGET_SDL2)
-#if USE_FINAL_SCREEN_BITMAP
-  ReCreateBitmap(&gfx.final_screen_bitmap, win_xsize, win_ysize, DEFAULT_DEPTH);
-#endif
+    ReCreateBitmap(&gfx.final_screen_bitmap, win_xsize, win_ysize);
 #endif
 
-  ReCreateBitmap(&gfx.fade_bitmap_source, win_xsize, win_ysize, DEFAULT_DEPTH);
-  ReCreateBitmap(&gfx.fade_bitmap_target, win_xsize, win_ysize, DEFAULT_DEPTH);
-  ReCreateBitmap(&gfx.fade_bitmap_black,  win_xsize, win_ysize, DEFAULT_DEPTH);
+    ReCreateBitmap(&gfx.fade_bitmap_backup, win_xsize, win_ysize);
+    ReCreateBitmap(&gfx.fade_bitmap_source, win_xsize, win_ysize);
+    ReCreateBitmap(&gfx.fade_bitmap_target, win_xsize, win_ysize);
+    ReCreateBitmap(&gfx.fade_bitmap_black,  win_xsize, win_ysize);
 
-  ClearRectangle(gfx.fade_bitmap_black, 0, 0, win_xsize, win_ysize);
+    ClearRectangle(gfx.fade_bitmap_black, 0, 0, win_xsize, win_ysize);
+  }
+
+  gfx.win_xsize = win_xsize;
+  gfx.win_ysize = win_ysize;
+
+  gfx.background_bitmap_mask = REDRAW_NONE;
 }
 
 void InitGfxScrollbufferInfo(int scrollbuffer_width, int scrollbuffer_height)
@@ -243,7 +247,7 @@ void InitGfxDrawBusyAnimFunction(void (*draw_busy_anim_function)(void))
   gfx.draw_busy_anim_function = draw_busy_anim_function;
 }
 
-void InitGfxDrawGlobalAnimFunction(void (*draw_global_anim_function)(int))
+void InitGfxDrawGlobalAnimFunction(void (*draw_global_anim_function)(int, int))
 {
   gfx.draw_global_anim_function = draw_global_anim_function;
 }
@@ -267,6 +271,21 @@ void InitGfxOtherSettings()
   gfx.cursor_mode = CURSOR_DEFAULT;
 }
 
+void InitOverlayInfo()
+{
+  overlay.active = FALSE;
+}
+
+void SetOverlayActive(boolean active)
+{
+  overlay.active = active;
+}
+
+boolean GetOverlayActive()
+{
+  return overlay.active;
+}
+
 void SetDrawDeactivationMask(int draw_deactivation_mask)
 {
   gfx.draw_deactivation_mask = draw_deactivation_mask;
@@ -360,6 +379,7 @@ void LimitScreenUpdates(boolean enable)
 void InitVideoDisplay(void)
 {
   SDLInitVideoDisplay();
+  SDLSetDisplaySize();
 }
 
 void CloseVideoDisplay(void)
@@ -375,12 +395,26 @@ void InitVideoBuffer(int width, int height, int depth, boolean fullscreen)
   video.height = height;
   video.depth = GetRealDepth(depth);
 
+  video.screen_width = width;
+  video.screen_height = height;
+  video.screen_xoffset = 0;
+  video.screen_yoffset = 0;
+
   video.fullscreen_available = FULLSCREEN_STATUS;
   video.fullscreen_enabled = FALSE;
 
   video.window_scaling_available = WINDOW_SCALING_STATUS;
 
-  SDLInitVideoBuffer(&backbuffer, &window, fullscreen);
+  video.frame_delay = 0;
+  video.frame_delay_value = GAME_FRAME_DELAY;
+
+  video.shifted_up = FALSE;
+  video.shifted_up_pos = 0;
+  video.shifted_up_pos_last = 0;
+  video.shifted_up_delay = 0;
+  video.shifted_up_delay_value = ONE_SECOND_DELAY / 4;
+
+  SDLInitVideoBuffer(fullscreen);
 
   video.initialized = TRUE;
 
@@ -439,9 +473,9 @@ Bitmap *CreateBitmap(int width, int height, int depth)
   return new_bitmap;
 }
 
-void ReCreateBitmap(Bitmap **bitmap, int width, int height, int depth)
+void ReCreateBitmap(Bitmap **bitmap, int width, int height)
 {
-  Bitmap *new_bitmap = CreateBitmap(width, height, depth);
+  Bitmap *new_bitmap = CreateBitmap(width, height, DEFAULT_DEPTH);
 
   if (*bitmap == NULL)
   {
@@ -669,7 +703,7 @@ void BlitBitmapTiled(Bitmap *src_bitmap, Bitmap *dst_bitmap,
   }
 }
 
-void FadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height,
+void FadeRectangle(int x, int y, int width, int height,
                   int fade_mode, int fade_delay, int post_delay,
                   void (*draw_border_function)(void))
 {
@@ -677,7 +711,7 @@ void FadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height,
   if (!InClippedRectangle(backbuffer, &x, &y, &width, &height, TRUE))
     return;
 
-  SDLFadeRectangle(bitmap_cross, x, y, width, height,
+  SDLFadeRectangle(x, y, width, height,
                   fade_mode, fade_delay, post_delay, draw_border_function);
 }
 
@@ -766,12 +800,11 @@ void BlitToScreen(Bitmap *bitmap,
   if (bitmap == NULL)
     return;
 
-#if USE_FINAL_SCREEN_BITMAP
-  BlitBitmap(bitmap, gfx.final_screen_bitmap, src_x, src_y,
-            width, height, dst_x, dst_y);
-#else
-  BlitTexture(bitmap, src_x, src_y, width, height, dst_x, dst_y);
-#endif
+  if (video.screen_rendering_mode == SPECIAL_RENDERING_BITMAP)
+    BlitBitmap(bitmap, gfx.final_screen_bitmap, src_x, src_y,
+              width, height, dst_x, dst_y);
+  else
+    BlitTexture(bitmap, src_x, src_y, width, height, dst_x, dst_y);
 }
 
 void BlitToScreenMasked(Bitmap *bitmap,
@@ -781,12 +814,11 @@ void BlitToScreenMasked(Bitmap *bitmap,
   if (bitmap == NULL)
     return;
 
-#if USE_FINAL_SCREEN_BITMAP
-  BlitBitmapMasked(bitmap, gfx.final_screen_bitmap, src_x, src_y,
-                  width, height, dst_x, dst_y);
-#else
-  BlitTextureMasked(bitmap, src_x, src_y, width, height, dst_x, dst_y);
-#endif
+  if (video.screen_rendering_mode == SPECIAL_RENDERING_BITMAP)
+    BlitBitmapMasked(bitmap, gfx.final_screen_bitmap, src_x, src_y,
+                    width, height, dst_x, dst_y);
+  else
+    BlitTextureMasked(bitmap, src_x, src_y, width, height, dst_x, dst_y);
 }
 
 void DrawSimpleBlackLine(Bitmap *bitmap, int from_x, int from_y,
@@ -886,7 +918,17 @@ void KeyboardAutoRepeatOff(void)
 
 boolean SetVideoMode(boolean fullscreen)
 {
-  return SDLSetVideoMode(&backbuffer, fullscreen);
+  return SDLSetVideoMode(fullscreen);
+}
+
+void SetVideoFrameDelay(unsigned int frame_delay_value)
+{
+  video.frame_delay_value = frame_delay_value;
+}
+
+unsigned int GetVideoFrameDelay()
+{
+  return video.frame_delay_value;
 }
 
 boolean ChangeVideoModeIfNeeded(boolean fullscreen)
@@ -963,30 +1005,9 @@ void ReloadCustomImage(Bitmap *bitmap, char *basename)
   free(new_bitmap);
 }
 
-Bitmap *ZoomBitmap(Bitmap *src_bitmap, int zoom_width, int zoom_height)
+static Bitmap *ZoomBitmap(Bitmap *src_bitmap, int zoom_width, int zoom_height)
 {
-  Bitmap *dst_bitmap = SDLZoomBitmap(src_bitmap, zoom_width, zoom_height);
-
-  return dst_bitmap;
-}
-
-static void SetMaskedBitmapSurface(Bitmap *bitmap)
-{
-  if (bitmap == NULL)
-    return;
-
-  SDL_Surface *surface = bitmap->surface;
-
-  if (bitmap->surface_masked)
-    SDL_FreeSurface(bitmap->surface_masked);
-
-  SDL_SetColorKey(surface, SET_TRANSPARENT_PIXEL,
-                 SDL_MapRGB(surface->format, 0x00, 0x00, 0x00));
-
-  if ((bitmap->surface_masked = SDLGetNativeSurface(surface)) == NULL)
-    Error(ERR_EXIT, "SDL_DisplayFormat() failed");
-
-  SDL_SetColorKey(surface, UNSET_TRANSPARENT_PIXEL, 0);
+  return SDLZoomBitmap(src_bitmap, zoom_width, zoom_height);
 }
 
 void ReCreateGameTileSizeBitmap(Bitmap **bitmaps)
@@ -1013,8 +1034,6 @@ void ReCreateGameTileSizeBitmap(Bitmap **bitmaps)
 
   bitmaps[IMG_BITMAP_CUSTOM] = bitmap_new;
   bitmaps[IMG_BITMAP_GAME]   = bitmap_new;
-
-  SetMaskedBitmapSurface(bitmap_new);
 }
 
 static void CreateScaledBitmaps(Bitmap **bitmaps, int zoom_factor,
@@ -1182,12 +1201,6 @@ static void CreateScaledBitmaps(Bitmap **bitmaps, int zoom_factor,
     bitmaps[IMG_BITMAP_32x32] = tmp_bitmap_1;
   }
 
-  // create corresponding bitmaps for masked blitting
-  for (i = 0; i < NUM_IMG_BITMAPS; i++)
-    if (bitmaps[i] != NULL &&
-       bitmaps[i] != old_bitmap)
-      SetMaskedBitmapSurface(bitmaps[i]);
-
   UPDATE_BUSY_STATE();
 
   print_timestamp_done("CreateScaledBitmaps");
@@ -1410,16 +1423,6 @@ void SetAudioMode(boolean enabled)
 /* event functions                                                           */
 /* ========================================================================= */
 
-void InitEventFilter(EventFilter filter_function)
-{
-  /* set event filter to filter out certain events */
-#if defined(TARGET_SDL2)
-  SDL_SetEventFilter(filter_function, NULL);
-#else
-  SDL_SetEventFilter(filter_function);
-#endif
-}
-
 boolean PendingEvent(void)
 {
   return (SDL_PollEvent(NULL) ? TRUE : FALSE);
@@ -1526,6 +1529,38 @@ KeyMod GetKeyModStateFromEvents()
   return HandleKeyModState(KSYM_UNDEFINED, 0);
 }
 
+void StartTextInput(int x, int y, int width, int height)
+{
+#if defined(TARGET_SDL2)
+  SDL_StartTextInput();
+
+#if defined(HAS_SCREEN_KEYBOARD)
+  if (y + height > SCREEN_KEYBOARD_POS(video.height))
+  {
+    video.shifted_up_pos = y + height - SCREEN_KEYBOARD_POS(video.height);
+    video.shifted_up_delay = SDL_GetTicks();
+    video.shifted_up = TRUE;
+  }
+#endif
+#endif
+}
+
+void StopTextInput()
+{
+#if defined(TARGET_SDL2)
+  SDL_StopTextInput();
+
+#if defined(HAS_SCREEN_KEYBOARD)
+  if (video.shifted_up)
+  {
+    video.shifted_up_pos = 0;
+    video.shifted_up_delay = SDL_GetTicks();
+    video.shifted_up = FALSE;
+  }
+#endif
+#endif
+}
+
 boolean CheckCloseWindowEvent(ClientMessageEvent *event)
 {
   if (event->type != EVENT_CLIENTMESSAGE)