1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2004 Sam Lantinga 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Library General Public 7 License as published by the Free Software Foundation; either 8 version 2 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 Library General Public License for more details. 14 15 You should have received a copy of the GNU Library General Public 16 License along with this library; if not, write to the Free 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 19 Sam Lantinga 20 slouken (at) libsdl.org 21 */ 22 23 #ifdef SAVE_RCSID 24 static char rcsid = 25 "@(#) $Id: SDL_quit.h,v 1.5 2004/01/04 16:49:07 slouken Exp $"; 26 #endif 27 28 /* Include file for SDL quit event handling */ 29 30 #ifndef _SDL_quit_h 31 #define _SDL_quit_h 32 33 /* 34 An SDL_QUITEVENT is generated when the user tries to close the application 35 window. If it is ignored or filtered out, the window will remain open. 36 If it is not ignored or filtered, it is queued normally and the window 37 is allowed to close. When the window is closed, screen updates will 38 complete, but have no effect. 39 40 SDL_Init() installs signal handlers for SIGINT (keyboard interrupt) 41 and SIGTERM (system termination request), if handlers do not already 42 exist, that generate SDL_QUITEVENT events as well. There is no way 43 to determine the cause of an SDL_QUITEVENT, but setting a signal 44 handler in your application will override the default generation of 45 quit events for that signal. 46 */ 47 48 /* There are no functions directly affecting the quit event */ 49 #define SDL_QuitRequested() \ 50 (SDL_PumpEvents(), SDL_PeepEvents(NULL,0,SDL_PEEKEVENT,SDL_QUITMASK)) 51 52 #endif /* _SDL_quit_h */ 53
