diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/events/SDL_resize.c')
-rw-r--r-- | distrib/sdl-1.2.15/src/events/SDL_resize.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/events/SDL_resize.c b/distrib/sdl-1.2.15/src/events/SDL_resize.c new file mode 100644 index 0000000..e754a07 --- /dev/null +++ b/distrib/sdl-1.2.15/src/events/SDL_resize.c @@ -0,0 +1,71 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 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 || + (( last_resize.w == w ) && ( last_resize.h == h )) || + !SDL_VideoSurface ) { + return(0); + } + last_resize.w = w; + last_resize.h = h; + + SDL_SetMouseRange(w, h); + + /* 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); +} |