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77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#ifdef SAVE_RCSID
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static char rcsid =
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"@(#) $Id$";
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#endif
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/* Resize 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_sysvideo.h"
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/* Keep the last resize event so we don't post duplicates */
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static struct {
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int w;
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int h;
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} last_resize;
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/* This is global for SDL_eventloop.c */
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int SDL_PrivateResize(int w, int h)
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{
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int posted;
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SDL_Event events[32];
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/* See if this event would change the video surface */
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if ( !w || !h ||
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((last_resize.w == w) && (last_resize.h == h)) ) {
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return(0);
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}
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last_resize.w = w;
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last_resize.h = h;
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if ( ! SDL_VideoSurface ||
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((w == SDL_VideoSurface->w) && (h == SDL_VideoSurface->h)) ) {
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return(0);
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}
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/* Pull out all old resize events */
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SDL_PeepEvents(events, sizeof(events)/sizeof(events[0]),
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SDL_GETEVENT, SDL_VIDEORESIZEMASK);
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/* Post the event, if desired */
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posted = 0;
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if ( SDL_ProcessEvents[SDL_VIDEORESIZE] == SDL_ENABLE ) {
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SDL_Event event;
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event.type = SDL_VIDEORESIZE;
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event.resize.w = w;
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event.resize.h = h;
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if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) {
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posted = 1;
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SDL_PushEvent(&event);
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}
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}
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return(posted);
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}
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