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9c6833808a
QemuInputEvent now stores Linux key codes for key events. Use those codes directly instead of translating between internal key code representations. Signed-off-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-ID: <20260520-input-v3-7-7c9e4c7abe34@rsg.ci.i.u-tokyo.ac.jp>
116 lines
2.8 KiB
C
116 lines
2.8 KiB
C
/*
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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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* This function drops events with key codes outside the defined range.
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*
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* @kbd: state tracker state.
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* @lnx: 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, unsigned int lnx, 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 milliseconds.
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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 code is in the defined range and the key is down.
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*
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* @kbd: state tracker state.
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* @lnx: the key to query.
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*/
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bool qkbd_state_key_get(QKbdState *kbd, unsigned int lnx);
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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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/**
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* qkbd_state_switch_console: Switch console.
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*
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* This sends key up events to the previous console for all keys which are in
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* down state to prevent keys being stuck, and remembers the new console.
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*
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* @kbd: state tracker state.
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* @con: new QemuConsole for this state tracker.
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*/
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void qkbd_state_switch_console(QKbdState *kbd, QemuConsole *con);
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#endif /* QEMU_UI_KBD_STATE_H */
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