/*

SDL - Simple DirectMedia Layer

Copyright (C) 1997-2009 Sam Lantinga

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 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

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

Sam Lantinga

slouken@libsdl.org

*/

#include "SDL_config.h"

/* Resize event handling code for SDL */

#include "SDL_events.h"

#include "SDL_events_c.h"

#include "../video/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

#ifndef __OS2__

|| ((last_resize.w == w) && (last_resize.h == h))

#endif

) {

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);

}