| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2021 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" |
| |
| /* Drag and drop event handling code for SDL */ |
| |
| #include "SDL_events.h" |
| #include "SDL_events_c.h" |
| #include "SDL_dropevents_c.h" |
| |
| #include "../video/SDL_sysvideo.h" /* for SDL_Window internals. */ |
| |
| |
| static int |
| SDL_SendDrop(SDL_Window *window, const SDL_EventType evtype, const char *data) |
| { |
| static SDL_bool app_is_dropping = SDL_FALSE; |
| int posted = 0; |
| |
| /* Post the event, if desired */ |
| if (SDL_GetEventState(evtype) == SDL_ENABLE) { |
| const SDL_bool need_begin = window ? !window->is_dropping : !app_is_dropping; |
| SDL_Event event; |
| |
| if (need_begin) { |
| SDL_zero(event); |
| event.type = SDL_DROPBEGIN; |
| |
| if (window) { |
| event.drop.windowID = window->id; |
| } |
| |
| posted = (SDL_PushEvent(&event) > 0); |
| if (!posted) { |
| return 0; |
| } |
| if (window) { |
| window->is_dropping = SDL_TRUE; |
| } else { |
| app_is_dropping = SDL_TRUE; |
| } |
| } |
| |
| SDL_zero(event); |
| event.type = evtype; |
| event.drop.file = data ? SDL_strdup(data) : NULL; |
| event.drop.windowID = window ? window->id : 0; |
| posted = (SDL_PushEvent(&event) > 0); |
| |
| if (posted && (evtype == SDL_DROPCOMPLETE)) { |
| if (window) { |
| window->is_dropping = SDL_FALSE; |
| } else { |
| app_is_dropping = SDL_FALSE; |
| } |
| } |
| } |
| return posted; |
| } |
| |
| int |
| SDL_SendDropFile(SDL_Window *window, const char *file) |
| { |
| return SDL_SendDrop(window, SDL_DROPFILE, file); |
| } |
| |
| int |
| SDL_SendDropText(SDL_Window *window, const char *text) |
| { |
| return SDL_SendDrop(window, SDL_DROPTEXT, text); |
| } |
| |
| int |
| SDL_SendDropComplete(SDL_Window *window) |
| { |
| return SDL_SendDrop(window, SDL_DROPCOMPLETE, NULL); |
| } |
| |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |