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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QXCBKEYBOARD_H
#define QXCBKEYBOARD_H
#include "qxcbobject.h"
#include <xcb/xcb_keysyms.h>
#include <xkbcommon/xkbcommon.h>
#if QT_CONFIG(xkb)
#include <xkbcommon/xkbcommon-x11.h>
#endif
#include <QEvent>
QT_BEGIN_NAMESPACE
class QWindow;
class QXcbKeyboard : public QXcbObject
{
public:
QXcbKeyboard(QXcbConnection *connection);
~QXcbKeyboard();
void handleKeyPressEvent(const xcb_key_press_event_t *event);
void handleKeyReleaseEvent(const xcb_key_release_event_t *event);
void handleMappingNotifyEvent(const void *event);
Qt::KeyboardModifiers translateModifiers(int s) const;
void updateKeymap();
QList<int> possibleKeys(const QKeyEvent *e) const;
// when XKEYBOARD not present on the X server
void updateXKBMods();
quint32 xkbModMask(quint16 state);
void updateXKBStateFromCore(quint16 state);
#if QT_CONFIG(xinput2)
void updateXKBStateFromXI(void *modInfo, void *groupInfo);
#endif
#if QT_CONFIG(xkb)
// when XKEYBOARD is present on the X server
int coreDeviceId() const { return core_device_id; }
void updateXKBState(xcb_xkb_state_notify_event_t *state);
#endif
protected:
void handleKeyEvent(xcb_window_t sourceWindow, QEvent::Type type, xcb_keycode_t code, quint16 state, xcb_timestamp_t time);
void resolveMaskConflicts();
QString lookupString(struct xkb_state *state, xcb_keycode_t code) const;
QString lookupStringNoKeysymTransformations(xkb_keysym_t keysym) const;
int keysymToQtKey(xcb_keysym_t keysym, Qt::KeyboardModifiers modifiers,
struct xkb_state *state, xcb_keycode_t code) const;
struct xkb_keymap *keymapFromCore();
// when XKEYBOARD not present on the X server
void updateModifiers();
typedef QMap<xcb_keysym_t, int> KeysymModifierMap;
KeysymModifierMap keysymsToModifiers();
// when XKEYBOARD is present on the X server
void updateVModMapping();
void updateVModToRModMapping();
xkb_keysym_t lookupLatinKeysym(xkb_keycode_t keycode) const;
void checkForLatinLayout() const;
private:
void updateXKBStateFromState(struct xkb_state *kb_state, quint16 state);
bool m_config = false;
xcb_keycode_t m_autorepeat_code = 0;
struct _mod_masks {
uint alt;
uint altgr;
uint meta;
uint super;
uint hyper;
};
_mod_masks rmod_masks;
// when XKEYBOARD not present on the X server
xcb_key_symbols_t *m_key_symbols;
struct _xkb_mods {
xkb_mod_index_t shift;
xkb_mod_index_t lock;
xkb_mod_index_t control;
xkb_mod_index_t mod1;
xkb_mod_index_t mod2;
xkb_mod_index_t mod3;
xkb_mod_index_t mod4;
xkb_mod_index_t mod5;
};
_xkb_mods xkb_mods;
#if QT_CONFIG(xkb)
// when XKEYBOARD is present on the X server
_mod_masks vmod_masks;
int core_device_id;
#endif
struct XKBStateDeleter {
void operator()(struct xkb_state *state) const { return xkb_state_unref(state); }
};
struct XKBKeymapDeleter {
void operator()(struct xkb_keymap *keymap) const { return xkb_keymap_unref(keymap); }
};
struct XKBContextDeleter {
void operator()(struct xkb_context *context) const { return xkb_context_unref(context); }
};
using ScopedXKBState = std::unique_ptr<struct xkb_state, XKBStateDeleter>;
using ScopedXKBKeymap = std::unique_ptr<struct xkb_keymap, XKBKeymapDeleter>;
using ScopedXKBContext = std::unique_ptr<struct xkb_context, XKBContextDeleter>;
ScopedXKBState m_xkbState;
ScopedXKBKeymap m_xkbKeymap;
ScopedXKBContext m_xkbContext;
};
QT_END_NAMESPACE
#endif
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