xref: /external/qemu/android/keycode-array.h

/* Copyright (C) 2010 The Android Open Source Project
**
** 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 QEMU_ANDROID_KEYCODE_ARRAY_H
#define QEMU_ANDROID_KEYCODE_ARRAY_H

/* Contains declarations for routines that manage keycode sequence that needs
 * to be transferred to the emulator core for further processing.
 */

/* Maximum number of keycodes kept in the array. */
#define  MAX_KEYCODES   256*2

/* Describes array of keycodes collected for transferring to the core. */
typedef struct AKeycodeBuffer {
    /* Number of keycodes collected in the array. */
    int                 keycode_count;

    /* Array of collected keycodes. */
    int                 keycodes[ MAX_KEYCODES ];
} AKeycodeBuffer;

/* Adds a key event to the array of keycodes. */
void
android_keycodes_add_key_event( AKeycodeBuffer* keycodes,
                                unsigned       code,
                                unsigned       down );

/* Flushes (transfers) collected keycodes to the core. */
void
android_keycodes_flush(AKeycodeBuffer* keycodes);

#endif /* QEMU_ANDROID_KEYCODE_ARRAY_H */