| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely, subject to the following restrictions: |
| |
| 1. The origin of this software must not be misrepresented; you must not |
| claim that you wrote the original software. If you use this software |
| in a product, an acknowledgment in the product documentation would be |
| appreciated but is not required. |
| 2. Altered source versions must be plainly marked as such, and must not be |
| misrepresented as being the original software. |
| 3. This notice may not be removed or altered from any source distribution. |
| */ |
| #include "SDL_internal.h" |
| |
| #ifdef SDL_VIDEO_DRIVER_COCOA |
| |
| #include "SDL_cocoavideo.h" |
| #include "SDL_cocoashape.h" |
| |
| |
| int Cocoa_UpdateWindowShape(SDL_VideoDevice *_this, SDL_Window *window, SDL_Surface *shape) |
| { |
| SDL_CocoaWindowData *data = (__bridge SDL_CocoaWindowData *)window->driverdata; |
| BOOL ignoresMouseEvents = NO; |
| |
| if (shape) { |
| SDL_FPoint point; |
| SDL_GetGlobalMouseState(&point.x, &point.y); |
| point.x -= window->x; |
| point.y -= window->y; |
| if (point.x >= 0.0f && point.x < window->w && |
| point.y >= 0.0f && point.y < window->h) { |
| int x = (int)SDL_roundf((point.x / (window->w - 1)) * (shape->w - 1)); |
| int y = (int)SDL_roundf((point.y / (window->h - 1)) * (shape->h - 1)); |
| Uint8 a; |
| |
| if (SDL_ReadSurfacePixel(shape, x, y, NULL, NULL, NULL, &a) < 0 || a == SDL_ALPHA_TRANSPARENT) { |
| ignoresMouseEvents = YES; |
| } |
| } |
| } |
| data.nswindow.ignoresMouseEvents = ignoresMouseEvents; |
| return 0; |
| } |
| |
| #endif /* SDL_VIDEO_DRIVER_COCOA */ |