Mercurial > sdl-ios-xcode
annotate src/events/SDL_quit.c @ 1168:045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
This allows you to run an SDL program on a system without Xlib, since it'll
just report the x11 target unavailable at runtime.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Sat, 05 Nov 2005 19:53:37 +0000 |
| parents | 51a8702d8ecd |
| children | c9b51268668f |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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Updated copyright information for 2004 (Happy New Year!)
Sam Lantinga <slouken@libsdl.org>
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3 Copyright (C) 1997-2004 Sam Lantinga |
| 0 | 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 | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 /* General quit handling code for SDL */ | |
| 29 | |
|
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Updates to PocketPC (WinCE) support, thanks to Dmitry Yakimov at
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30 #if defined (_WIN32_WCE) |
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Updates to PocketPC (WinCE) support, thanks to Dmitry Yakimov at
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31 #define NO_SIGNAL_H |
|
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32 #endif |
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51a8702d8ecd
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33 |
| 0 | 34 #include <stdio.h> |
| 35 #ifndef NO_SIGNAL_H | |
| 36 #include <signal.h> | |
| 37 #endif | |
| 38 | |
| 39 #include "SDL_events.h" | |
| 40 #include "SDL_events_c.h" | |
| 41 | |
| 42 | |
| 43 #ifndef NO_SIGNAL_H | |
| 44 static void SDL_HandleSIG(int sig) | |
| 45 { | |
| 46 /* Reset the signal handler */ | |
| 47 signal(sig, SDL_HandleSIG); | |
| 48 | |
| 49 /* Signal a quit interrupt */ | |
| 50 SDL_PrivateQuit(); | |
| 51 } | |
| 52 #endif /* NO_SIGNAL_H */ | |
| 53 | |
| 54 /* Public functions */ | |
| 55 int SDL_QuitInit(void) | |
| 56 { | |
| 57 #ifndef NO_SIGNAL_H | |
| 58 void (*ohandler)(int); | |
| 59 | |
| 60 /* Both SIGINT and SIGTERM are translated into quit interrupts */ | |
|
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Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
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61 ohandler = signal(SIGINT, SDL_HandleSIG); |
| 0 | 62 if ( ohandler != SIG_DFL ) |
| 63 signal(SIGINT, ohandler); | |
| 64 ohandler = signal(SIGTERM, SDL_HandleSIG); | |
| 65 if ( ohandler != SIG_DFL ) | |
| 66 signal(SIGTERM, ohandler); | |
| 67 #endif /* NO_SIGNAL_H */ | |
| 68 | |
| 69 /* That's it! */ | |
| 70 return(0); | |
| 71 } | |
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72 void SDL_QuitQuit(void) |
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Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
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73 { |
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74 #ifndef NO_SIGNAL_H |
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Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
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75 void (*ohandler)(int); |
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76 |
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Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
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77 ohandler = signal(SIGINT, SIG_DFL); |
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Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
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78 if ( ohandler != SDL_HandleSIG ) |
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28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
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parents:
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79 signal(SIGINT, ohandler); |
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28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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80 ohandler = signal(SIGTERM, SIG_DFL); |
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28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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81 if ( ohandler != SDL_HandleSIG ) |
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28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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82 signal(SIGTERM, ohandler); |
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28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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83 #endif /* NO_SIGNAL_H */ |
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28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
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84 } |
| 0 | 85 |
| 86 /* This function returns 1 if it's okay to close the application window */ | |
| 87 int SDL_PrivateQuit(void) | |
| 88 { | |
| 89 int posted; | |
| 90 | |
| 91 posted = 0; | |
| 92 if ( SDL_ProcessEvents[SDL_QUIT] == SDL_ENABLE ) { | |
| 93 SDL_Event event; | |
| 94 event.type = SDL_QUIT; | |
| 95 if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { | |
| 96 posted = 1; | |
| 97 SDL_PushEvent(&event); | |
| 98 } | |
| 99 } | |
| 100 return(posted); | |
| 101 } |