David 'Digit' Turner | 87250c2 | 2009-09-17 16:45:03 -0700 | [diff] [blame^] | 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 | |