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
android_keycode_rotate(AndroidKeyCode code,int rotation)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