uisimulator/buttonmap/buttonmaps.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2010 by Fred Bauer
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include <stdbool.h>
  23 #include <stdio.h>
  24 #include "buttonmap.h"
  25 #include "config.h"
  26
  27 int xy2button( int x, int y)
  28 {
  29     int i;
  30     extern bool debug_buttons;
  31
  32     for ( i = 0; bm[i].button; i++ )
  33         /* check distance from center of button < radius */
  34         if ( ( (x-bm[i].x)*(x-bm[i].x) ) + ( ( y-bm[i].y)*(y-bm[i].y) ) < bm[i].radius*bm[i].radius ) {
  35             if (debug_buttons)
  36                 printf("Button: %s\n", bm[i].description );
  37             return bm[i].button;
  38         }
  39     return 0;
  40 }