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      1 /* Copyright (C) 2009 The Android Open Source Project
      2 **
      3 ** This software is licensed under the terms of the GNU General Public
      4 ** License version 2, as published by the Free Software Foundation, and
      5 ** may be copied, distributed, and modified under those terms.
      6 **
      7 ** This program is distributed in the hope that it will be useful,
      8 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
      9 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     10 ** GNU General Public License for more details.
     11 */
     12 #include "android/keycode.h"
     13 
     14 AndroidKeyCode
     15 android_keycode_rotate( AndroidKeyCode  code, int  rotation )
     16 {
     17     static const AndroidKeyCode  wheel[4] = { kKeyCodeDpadUp,
     18                                               kKeyCodeDpadRight,
     19                                               kKeyCodeDpadDown,
     20                                               kKeyCodeDpadLeft };
     21 
     22     int  index;
     23 
     24     for (index = 0; index < 4; index++) {
     25         if (code == wheel[index]) {
     26             index = (index + rotation) & 3;
     27             code  = wheel[index];
     28             break;
     29         }
     30     }
     31     return code;
     32 }
     33 
     34