Games/lbreakout2/client/event.c

   1 /***************************************************************************
   2                           event.c  -  description
   3                              -------------------
   4     begin                : Sat Sep 8 2001
   5     copyright            : (C) 2001 by Michael Speck
   6     email                : kulkanie@gmx.net
   7  ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  ***************************************************************************/
  17
  18 #include "lbreakout.h"
  19 #include "event.h"
  20
  21 extern int stk_quit_request;
  22
  23 /*
  24 ====================================================================
  25 Event filter that blocks all events. Used to clear the SDL
  26 event queue.
  27 ====================================================================
  28 */
  29 static int all_filter( const SDL_Event *event ) { return 0; }
  30
  31 /*
  32 ====================================================================
  33 Handle SDL_QUIT events directly and kill all motion events.
  34 ====================================================================
  35 */
  36 int event_filter( const SDL_Event *event )
  37 {
  38         if ( event->type == SDL_QUIT ) {
  39                 stk_quit_request = 1;
  40                 return 0;
  41         }
  42         if ( event->type == SDL_MOUSEMOTION )
  43                 return 0;
  44         return 1;
  45 }
  46
  47 /*
  48 ====================================================================
  49 Clear the SDL event key (keydown events)
  50 ====================================================================
  51 */
  52 void event_clear_sdl_queue()
  53 {
  54     SDL_EventFilter old_filter;
  55     SDL_Event event;
  56     old_filter = SDL_GetEventFilter();
  57     SDL_SetEventFilter( all_filter );
  58     while ( SDL_PollEvent( &event ) );
  59     SDL_SetEventFilter( old_filter );
  60 }