1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2012 Sam Lantinga 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with this library; if not, write to the Free Software 17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 18 19 Sam Lantinga 20 slouken (at) libsdl.org 21 */ 22 #include "SDL_config.h" 23 24 /* Refresh event handling code for SDL */ 25 26 #include "SDL_events.h" 27 #include "SDL_events_c.h" 28 29 30 /* This is global for SDL_eventloop.c */ 31 int SDL_PrivateExpose(void) 32 { 33 int posted; 34 SDL_Event events[32]; 35 36 /* Pull out all old refresh events */ 37 SDL_PeepEvents(events, sizeof(events)/sizeof(events[0]), 38 SDL_GETEVENT, SDL_VIDEOEXPOSEMASK); 39 40 /* Post the event, if desired */ 41 posted = 0; 42 if ( SDL_ProcessEvents[SDL_VIDEOEXPOSE] == SDL_ENABLE ) { 43 SDL_Event event; 44 event.type = SDL_VIDEOEXPOSE; 45 if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { 46 posted = 1; 47 SDL_PushEvent(&event); 48 } 49 } 50 return(posted); 51 } 52