mirror of https://github.com/encounter/SDL.git
99 lines
2.8 KiB
C
99 lines
2.8 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "../SDL_internal.h"
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/* Drag and drop event handling code for SDL */
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#include "SDL_events.h"
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#include "SDL_events_c.h"
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#include "SDL_dropevents_c.h"
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#include "../video/SDL_sysvideo.h" /* for SDL_Window internals. */
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static int
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SDL_SendDrop(SDL_Window *window, const SDL_EventType evtype, const char *data)
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{
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static SDL_bool app_is_dropping = SDL_FALSE;
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int posted = 0;
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/* Post the event, if desired */
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if (SDL_GetEventState(evtype) == SDL_ENABLE) {
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const SDL_bool need_begin = window ? !window->is_dropping : !app_is_dropping;
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SDL_Event event;
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if (need_begin) {
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SDL_zero(event);
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event.type = SDL_DROPBEGIN;
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if (window) {
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event.drop.windowID = window->id;
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}
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posted = (SDL_PushEvent(&event) > 0);
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if (!posted) {
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return 0;
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}
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if (window) {
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window->is_dropping = SDL_TRUE;
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} else {
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app_is_dropping = SDL_TRUE;
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}
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}
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SDL_zero(event);
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event.type = evtype;
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event.drop.file = data ? SDL_strdup(data) : NULL;
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event.drop.windowID = window ? window->id : 0;
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posted = (SDL_PushEvent(&event) > 0);
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if (posted && (evtype == SDL_DROPCOMPLETE)) {
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if (window) {
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window->is_dropping = SDL_FALSE;
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} else {
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app_is_dropping = SDL_FALSE;
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}
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}
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}
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return posted;
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}
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int
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SDL_SendDropFile(SDL_Window *window, const char *file)
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{
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return SDL_SendDrop(window, SDL_DROPFILE, file);
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}
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int
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SDL_SendDropText(SDL_Window *window, const char *text)
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{
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return SDL_SendDrop(window, SDL_DROPTEXT, text);
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}
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int
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SDL_SendDropComplete(SDL_Window *window)
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{
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return SDL_SendDrop(window, SDL_DROPCOMPLETE, NULL);
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}
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/* vi: set ts=4 sw=4 expandtab: */
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