Mercurial > sdl-ios-xcode
diff src/events/SDL_resize.c @ 0:74212992fb08
Initial revision
author | Sam Lantinga <slouken@lokigames.com> |
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date | Thu, 26 Apr 2001 16:45:43 +0000 |
parents | |
children | e8157fcb3114 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/events/SDL_resize.c Thu Apr 26 16:45:43 2001 +0000 @@ -0,0 +1,76 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Sam Lantinga + slouken@devolution.com +*/ + +#ifdef SAVE_RCSID +static char rcsid = + "@(#) $Id$"; +#endif + +/* Resize event handling code for SDL */ + +#include "SDL_events.h" +#include "SDL_events_c.h" +#include "SDL_sysvideo.h" + + +/* Keep the last resize event so we don't post duplicates */ +static struct { + int w; + int h; +} last_resize; + +/* This is global for SDL_eventloop.c */ +int SDL_PrivateResize(int w, int h) +{ + int posted; + SDL_Event events[32]; + + /* See if this event would change the video surface */ + if ( !w || !h || + ((last_resize.w == w) && (last_resize.h == h)) ) { + return(0); + } + last_resize.w = w; + last_resize.h = h; + if ( ! SDL_VideoSurface || + ((w == SDL_VideoSurface->w) && (h == SDL_VideoSurface->h)) ) { + return(0); + } + + /* Pull out all old resize events */ + SDL_PeepEvents(events, sizeof(events)/sizeof(events[0]), + SDL_GETEVENT, SDL_VIDEORESIZEMASK); + + /* Post the event, if desired */ + posted = 0; + if ( SDL_ProcessEvents[SDL_VIDEORESIZE] == SDL_ENABLE ) { + SDL_Event event; + event.type = SDL_VIDEORESIZE; + event.resize.w = w; + event.resize.h = h; + if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { + posted = 1; + SDL_PushEvent(&event); + } + } + return(posted); +}