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/*
* This work is licensed under the terms of the GNU GPL, version 2 or
* (at your option) any later version. See the COPYING file in the
* top-level directory.
*/
#ifndef QEMU_UI_KBD_STATE_H
#define QEMU_UI_KBD_STATE_H
#include "qapi/qapi-types-ui.h"
typedef enum QKbdModifier QKbdModifier;
enum QKbdModifier {
QKBD_MOD_NONE = 0,
QKBD_MOD_SHIFT,
QKBD_MOD_CTRL,
QKBD_MOD_ALT,
QKBD_MOD_ALTGR,
QKBD_MOD_NUMLOCK,
QKBD_MOD_CAPSLOCK,
QKBD_MOD__MAX
};
typedef struct QKbdState QKbdState;
/**
* qkbd_state_init: init keyboard state tracker.
*
* Allocates and initializes keyboard state struct.
*
* @con: QemuConsole for this state tracker. Gets passed down to
* qemu_input_*() functions when sending key events to the guest.
*/
QKbdState *qkbd_state_init(QemuConsole *con);
/**
* qkbd_state_free: free keyboard tracker state.
*
* @kbd: state tracker state.
*/
void qkbd_state_free(QKbdState *kbd);
/**
* qkbd_state_key_event: process key event.
*
* Update keyboard state, send event to the guest.
*
* This function takes care to not send suspious events (keyup event
* for a key not pressed for example).
*
* @kbd: state tracker state.
* @qcode: the key pressed or released.
* @down: true for key down events, false otherwise.
*/
void qkbd_state_key_event(QKbdState *kbd, QKeyCode qcode, bool down);
/**
* qkbd_state_set_delay: set key press delay.
*
* When set the specified delay will be added after each key event,
* using qemu_input_event_send_key_delay().
*
* @kbd: state tracker state.
* @delay_ms: the delay in miliseconds.
*/
void qkbd_state_set_delay(QKbdState *kbd, int delay_ms);
/**
* qkbd_state_key_get: get key state.
*
* Returns true when the key is down.
*
* @kbd: state tracker state.
* @qcode: the key to query.
*/
bool qkbd_state_key_get(QKbdState *kbd, QKeyCode qcode);
/**
* qkbd_state_modifier_get: get modifier state.
*
* Returns true when the modifier is active.
*
* @kbd: state tracker state.
* @mod: the modifier to query.
*/
bool qkbd_state_modifier_get(QKbdState *kbd, QKbdModifier mod);
/**
* qkbd_state_lift_all_keys: lift all pressed keys.
*
* This sends key up events to the guest for all keys which are in
* down state.
*
* @kbd: state tracker state.
*/
void qkbd_state_lift_all_keys(QKbdState *kbd);
#endif /* QEMU_UI_KBD_STATE_H */
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