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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QXKBCOMMON_P_H
#define QXKBCOMMON_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtGui/qtguiglobal.h>
#include <QtCore/qstring.h>
#include <QtCore/qloggingcategory.h>
#include <QtCore/qlist.h>
#include <QtCore/private/qglobal_p.h>
#include <xkbcommon/xkbcommon.h>
#include <qpa/qplatformkeymapper.h>
#include <memory>
QT_BEGIN_NAMESPACE
class QEvent;
class QKeyEvent;
class QPlatformInputContext;
class Q_GUI_EXPORT QXkbCommon
{
public:
static QString lookupString(struct xkb_state *state, xkb_keycode_t code);
static QString lookupStringNoKeysymTransformations(xkb_keysym_t keysym);
static QList<xkb_keysym_t> toKeysym(QKeyEvent *event);
static int keysymToQtKey(xkb_keysym_t keysym, Qt::KeyboardModifiers modifiers);
static int keysymToQtKey(xkb_keysym_t keysym, Qt::KeyboardModifiers modifiers,
xkb_state *state, xkb_keycode_t code,
bool superAsMeta = true, bool hyperAsMeta = true);
// xkbcommon_* API is part of libxkbcommon internals, with modifications as
// described in the header of the implementation file.
static void xkbcommon_XConvertCase(xkb_keysym_t sym, xkb_keysym_t *lower, xkb_keysym_t *upper);
static xkb_keysym_t qxkbcommon_xkb_keysym_to_upper(xkb_keysym_t ks);
static Qt::KeyboardModifiers modifiers(struct xkb_state *state, xkb_keysym_t keysym = XKB_KEY_VoidSymbol);
static QList<int> possibleKeys(xkb_state *state,
const QKeyEvent *event, bool superAsMeta = false, bool hyperAsMeta = false);
static QList<QKeyCombination> possibleKeyCombinations(xkb_state *state,
const QKeyEvent *event, bool superAsMeta = false, bool hyperAsMeta = false);
static void verifyHasLatinLayout(xkb_keymap *keymap);
static xkb_keysym_t lookupLatinKeysym(xkb_state *state, xkb_keycode_t keycode);
static bool isLatin1(xkb_keysym_t sym) {
return sym >= 0x20 && sym <= 0xff;
}
static bool isKeypad(xkb_keysym_t sym) {
switch (sym) {
case XKB_KEY_KP_Space:
case XKB_KEY_KP_Tab:
case XKB_KEY_KP_Enter:
case XKB_KEY_KP_F1:
case XKB_KEY_KP_F2:
case XKB_KEY_KP_F3:
case XKB_KEY_KP_F4:
case XKB_KEY_KP_Home:
case XKB_KEY_KP_Left:
case XKB_KEY_KP_Up:
case XKB_KEY_KP_Right:
case XKB_KEY_KP_Down:
case XKB_KEY_KP_Prior:
case XKB_KEY_KP_Next:
case XKB_KEY_KP_End:
case XKB_KEY_KP_Begin:
case XKB_KEY_KP_Insert:
case XKB_KEY_KP_Delete:
case XKB_KEY_KP_Equal:
case XKB_KEY_KP_Multiply:
case XKB_KEY_KP_Add:
case XKB_KEY_KP_Separator:
case XKB_KEY_KP_Subtract:
case XKB_KEY_KP_Decimal:
case XKB_KEY_KP_Divide:
case XKB_KEY_KP_0:
case XKB_KEY_KP_1:
case XKB_KEY_KP_2:
case XKB_KEY_KP_3:
case XKB_KEY_KP_4:
case XKB_KEY_KP_5:
case XKB_KEY_KP_6:
case XKB_KEY_KP_7:
case XKB_KEY_KP_8:
case XKB_KEY_KP_9:
return true;
default:
return false;
}
}
static void setXkbContext(QPlatformInputContext *inputContext, struct xkb_context *context);
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>;
};
QT_END_NAMESPACE
#endif // QXKBCOMMON_P_H
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