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// Copyright (C) 2021 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 QAPPLEKEYMAPPER_H
#define QAPPLEKEYMAPPER_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.
//
#ifdef Q_OS_MACOS
#include <Carbon/Carbon.h>
#endif
#include <qpa/qplatformkeymapper.h>
#include <QtCore/QList>
#include <QtCore/QHash>
#include <QtGui/QKeyEvent>
#include <QtCore/private/qcore_mac_p.h>
QT_BEGIN_NAMESPACE
class Q_GUI_EXPORT QAppleKeyMapper : public QPlatformKeyMapper
{
public:
Qt::KeyboardModifiers queryKeyboardModifiers() const override;
QList<QKeyCombination> possibleKeyCombinations(const QKeyEvent *event) const override;
#ifdef Q_OS_MACOS
static Qt::KeyboardModifiers fromCocoaModifiers(NSEventModifierFlags cocoaModifiers);
static NSEventModifierFlags toCocoaModifiers(Qt::KeyboardModifiers);
static QChar toCocoaKey(Qt::Key key);
static Qt::Key fromCocoaKey(QChar keyCode);
#else
static Qt::Key fromNSString(Qt::KeyboardModifiers qtMods, NSString *characters,
NSString *charactersIgnoringModifiers, QString &text);
static Qt::Key fromUIKitKey(NSString *keyCode);
static Qt::KeyboardModifiers fromUIKitModifiers(ulong uikitModifiers);
static ulong toUIKitModifiers(Qt::KeyboardModifiers);
#endif
private:
#ifdef Q_OS_MACOS
static constexpr int kNumModifierCombinations = 16;
struct KeyMap : std::array<char32_t, kNumModifierCombinations>
{
// Initialize first element to a sentinel that allows us
// to distinguish an uninitialized map from an initialized.
// Using 0 would not allow us to map U+0000 (NUL), however
// unlikely that is.
KeyMap() : std::array<char32_t, 16>{Qt::Key_unknown} {}
};
bool updateKeyboard();
using VirtualKeyCode = unsigned short;
const KeyMap &keyMapForKey(VirtualKeyCode virtualKey) const;
QCFType<TISInputSourceRef> m_currentInputSource = nullptr;
enum { NullMode, UnicodeMode, OtherMode } m_keyboardMode = NullMode;
const UCKeyboardLayout *m_keyboardLayoutFormat = nullptr;
KeyboardLayoutKind m_keyboardKind = kKLKCHRuchrKind;
mutable QHash<VirtualKeyCode, KeyMap> m_keyMap;
#endif
};
QT_END_NAMESPACE
#endif
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