/usr/include/mirclient/mir_toolkit/events/input/keyboard_event.h is in libmirclient-dev 0.26.3+16.04.20170605-0ubuntu1.1.
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* Copyright © 2014 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3,
* as published by the Free Software Foundation.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Robert Carr <robert.carr@canonical.com>
*/
#ifndef MIR_TOOLKIT_KEYBOARD_EVENT_H_
#define MIR_TOOLKIT_KEYBOARD_EVENT_H_
#include <xkbcommon/xkbcommon.h>
#ifdef __cplusplus
/**
* \addtogroup mir_toolkit
* @{
*/
extern "C" {
#endif
/**
* An event type describing a change in keyboard state
*
* Apology #1: Keyboard events almost always come from a keyboard, except they
* can also come from system buttons (power, volume, home). This is an issue
* we've inherited from the Linux kernel and Android, but could be solved in
* future by giving such system switch events their own input group such as
* MirSwitchEvent.
*/
typedef struct MirKeyboardEvent MirKeyboardEvent;
/**
* Possible actions for changing key state
*/
typedef enum {
/* A key has come up (released) */
mir_keyboard_action_up,
/* A key has gone down (pressed) */
mir_keyboard_action_down,
/* System policy has triggered a key repeat on a key
which was already down */
mir_keyboard_action_repeat,
mir_keyboard_actions
} MirKeyboardAction;
/**
* Retrieve the action which triggered a given key event.
*
* \param [in] event The key event
* \return The associated action
*/
MirKeyboardAction mir_keyboard_event_action(MirKeyboardEvent const* event);
/**
* Retrieve the xkb mapped keycode associated with the key acted on.. May
* be interpreted as per <xkbcommon/xkb-keysyms.h>
*
* \param [in] event The key event
* \return The xkb_keysym
*/
xkb_keysym_t mir_keyboard_event_key_code(MirKeyboardEvent const* event);
/**
* Retrieve the raw hardware scan code associated with the key acted on. May
* be interpreted as per <linux/input.h>
*
* \param [in] event The key event
* \return The scancode
*/
int mir_keyboard_event_scan_code(MirKeyboardEvent const* event);
/**
* Retrieve the modifier keys pressed when the key action occured.
*
* \param [in] event The key event
* \return The modifier mask
*/
MirInputEventModifiers mir_keyboard_event_modifiers(MirKeyboardEvent const* event);
/**
* Retrieve the corresponding input event.
*
* \param [in] event The keyboard event
* \return The input event
*/
MirInputEvent const* mir_keyboard_event_input_event(MirKeyboardEvent const* event);
#ifdef __cplusplus
}
/**@}*/
#endif
#endif /* MIR_TOOLKIT_KEYBOARD_EVENT_H_ */
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