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 23 /** @file SDL_quit.h 24 * Include file for SDL quit event handling 25 */ 26 27 #ifndef _SDL_quit_h 28 #define _SDL_quit_h 29 30 #include "SDL_stdinc.h" 31 #include "SDL_error.h" 32 33 /** @file SDL_quit.h 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 /** @file SDL_quit.h 49 * There are no functions directly affecting the quit event 50 */ 51 52 #define SDL_QuitRequested() \ 53 (SDL_PumpEvents(), SDL_PeepEvents(NULL,0,SDL_PEEKEVENT,SDL_QUITMASK)) 54 55 #endif /* _SDL_quit_h */ 56
