53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
|
/*
|
||
|
|
* Key chord input driver
|
||
|
|
*
|
||
|
|
* Copyright (C) 2008 Google, Inc.
|
||
|
|
* Author: Mike Lockwood <lockwood@android.com>
|
||
|
|
*
|
||
|
|
* This software is licensed under the terms of the GNU General Public
|
||
|
|
* License version 2, as published by the Free Software Foundation, and
|
||
|
|
* may be copied, distributed, and modified under those terms.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _UAPI_LINUX_KEYCHORD_H_
|
||
|
|
#define _UAPI_LINUX_KEYCHORD_H_
|
||
|
|
|
||
|
|
#include <linux/input.h>
|
||
|
|
|
||
|
|
#define KEYCHORD_VERSION 1
|
||
|
|
|
||
|
|
/*
|
||
|
|
* One or more input_keychord structs are written to /dev/keychord
|
||
|
|
* at once to specify the list of keychords to monitor.
|
||
|
|
* Reading /dev/keychord returns the id of a keychord when the
|
||
|
|
* keychord combination is pressed. A keychord is signalled when
|
||
|
|
* all of the keys in the keycode list are in the pressed state.
|
||
|
|
* The order in which the keys are pressed does not matter.
|
||
|
|
* The keychord will not be signalled if keys not in the keycode
|
||
|
|
* list are pressed.
|
||
|
|
* Keychords will not be signalled on key release events.
|
||
|
|
*/
|
||
|
|
struct input_keychord {
|
||
|
|
/* should be KEYCHORD_VERSION */
|
||
|
|
__u16 version;
|
||
|
|
/*
|
||
|
|
* client specified ID, returned from read()
|
||
|
|
* when this keychord is pressed.
|
||
|
|
*/
|
||
|
|
__u16 id;
|
||
|
|
|
||
|
|
/* number of keycodes in this keychord */
|
||
|
|
__u16 count;
|
||
|
|
|
||
|
|
/* variable length array of keycodes */
|
||
|
|
__u16 keycodes[];
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* _UAPI_LINUX_KEYCHORD_H_ */
|