Mercurial > sdl-ios-xcode
view src/events/SDL_active.c @ 1077:f122afdfa025
The Darwin/MacOSX joystick code is largely copied from the HID Utilities
package...make the symbols defined by HID Utilities static inside SDL so that
an app can link against their own copy of this package without symbol clash.
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Wed, 15 Jun 2005 23:41:57 +0000 |
parents | b8d311d90021 |
children | 28ac87a38c17 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2004 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org */ #ifdef SAVE_RCSID static char rcsid = "@(#) $Id$"; #endif /* Application focus/iconification handling code for SDL */ #include <stdio.h> #include <string.h> #include "SDL_events.h" #include "SDL_events_c.h" /* These are static for our active event handling code */ static Uint8 SDL_appstate = 0; /* Public functions */ int SDL_AppActiveInit(void) { /* Start completely active */ SDL_appstate = (SDL_APPACTIVE|SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS); /* That's it! */ return(0); } Uint8 SDL_GetAppState(void) { return(SDL_appstate); } /* This is global for SDL_eventloop.c */ int SDL_PrivateAppActive(Uint8 gain, Uint8 state) { int posted; Uint8 new_state; /* Modify the current state with the given mask */ if ( gain ) { new_state = (SDL_appstate | state); } else { new_state = (SDL_appstate & ~state); } /* Drop events that don't change state */ if ( new_state == SDL_appstate ) { return(0); } /* Update internal active state */ SDL_appstate = new_state; /* Post the event, if desired */ posted = 0; if ( SDL_ProcessEvents[SDL_ACTIVEEVENT] == SDL_ENABLE ) { SDL_Event event; memset(&event, 0, sizeof(event)); event.type = SDL_ACTIVEEVENT; event.active.gain = gain; event.active.state = state; if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { posted = 1; SDL_PushEvent(&event); } } /* If we lost keyboard focus, post key-up events */ if ( (state & SDL_APPINPUTFOCUS) && !gain ) { SDL_ResetKeyboard(); } return(posted); }