1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2006 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 /* Include file for SDL quit event handling */ 24 25 #ifndef _SDL_quit_h 26 #define _SDL_quit_h 27 28 #include "SDL_stdinc.h" 29 #include "SDL_error.h" 30 31 /* 32 An SDL_QUITEVENT is generated when the user tries to close the application 33 window. If it is ignored or filtered out, the window will remain open. 34 If it is not ignored or filtered, it is queued normally and the window 35 is allowed to close. When the window is closed, screen updates will 36 complete, but have no effect. 37 38 SDL_Init() installs signal handlers for SIGINT (keyboard interrupt) 39 and SIGTERM (system termination request), if handlers do not already 40 exist, that generate SDL_QUITEVENT events as well. There is no way 41 to determine the cause of an SDL_QUITEVENT, but setting a signal 42 handler in your application will override the default generation of 43 quit events for that signal. 44 */ 45 46 /* There are no functions directly affecting the quit event */ 47 #define SDL_QuitRequested() \ 48 (SDL_PumpEvents(), SDL_PeepEvents(NULL,0,SDL_PEEKEVENT,SDL_QUITMASK)) 49 50 #endif /* _SDL_quit_h */ 51
