Mercurial > sdl-ios-xcode
annotate src/events/SDL_active.c @ 1312:c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
I batch edited these files, so please let me know if I've accidentally removed anybody's
credit here.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 01 Feb 2006 06:32:25 +0000 |
| parents | 28ac87a38c17 |
| children | 450721ad5436 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1123
diff
changeset
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
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1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1123
diff
changeset
|
6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
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1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1123
diff
changeset
|
8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 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 | |
|
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1123
diff
changeset
|
13 Lesser General Public License for more details. |
| 0 | 14 |
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1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1123
diff
changeset
|
15 You should have received a copy of the GNU Lesser General Public |
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c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1123
diff
changeset
|
16 License along with this library; if not, write to the Free Software |
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c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1123
diff
changeset
|
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
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252
e8157fcb3114
Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents:
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 /* Application focus/iconification handling code for SDL */ | |
| 24 | |
| 25 #include <stdio.h> | |
| 26 #include <string.h> | |
| 27 | |
| 28 #include "SDL_events.h" | |
| 29 #include "SDL_events_c.h" | |
| 30 | |
| 31 | |
| 32 /* These are static for our active event handling code */ | |
| 33 static Uint8 SDL_appstate = 0; | |
| 34 | |
| 35 /* Public functions */ | |
| 36 int SDL_AppActiveInit(void) | |
| 37 { | |
| 38 /* Start completely active */ | |
| 39 SDL_appstate = (SDL_APPACTIVE|SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS); | |
| 40 | |
| 41 /* That's it! */ | |
| 42 return(0); | |
| 43 } | |
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1123
28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
44 void SDL_AppActiveQuit(void) |
|
28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
45 { |
|
28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
46 } |
| 0 | 47 |
| 48 Uint8 SDL_GetAppState(void) | |
| 49 { | |
| 50 return(SDL_appstate); | |
| 51 } | |
| 52 | |
| 53 /* This is global for SDL_eventloop.c */ | |
| 54 int SDL_PrivateAppActive(Uint8 gain, Uint8 state) | |
| 55 { | |
| 56 int posted; | |
| 57 Uint8 new_state; | |
| 58 | |
| 59 /* Modify the current state with the given mask */ | |
| 60 if ( gain ) { | |
| 61 new_state = (SDL_appstate | state); | |
| 62 } else { | |
| 63 new_state = (SDL_appstate & ~state); | |
| 64 } | |
| 65 | |
| 66 /* Drop events that don't change state */ | |
| 67 if ( new_state == SDL_appstate ) { | |
| 68 return(0); | |
| 69 } | |
| 70 | |
| 71 /* Update internal active state */ | |
| 72 SDL_appstate = new_state; | |
| 73 | |
| 74 /* Post the event, if desired */ | |
| 75 posted = 0; | |
| 76 if ( SDL_ProcessEvents[SDL_ACTIVEEVENT] == SDL_ENABLE ) { | |
| 77 SDL_Event event; | |
| 78 memset(&event, 0, sizeof(event)); | |
| 79 event.type = SDL_ACTIVEEVENT; | |
| 80 event.active.gain = gain; | |
| 81 event.active.state = state; | |
| 82 if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { | |
| 83 posted = 1; | |
| 84 SDL_PushEvent(&event); | |
| 85 } | |
| 86 } | |
| 87 | |
| 88 /* If we lost keyboard focus, post key-up events */ | |
| 89 if ( (state & SDL_APPINPUTFOCUS) && !gain ) { | |
| 90 SDL_ResetKeyboard(); | |
| 91 } | |
| 92 return(posted); | |
| 93 } |