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