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// Copyright (C) 2015-2016 Oleksandr Tymoshenko <gonzo@bluezbox.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QBSDKEYBOARD_H
#define QBSDKEYBOARD_H
#include <qobject.h>
#include <QDataStream>
#include <QList>
QT_BEGIN_NAMESPACE
class QSocketNotifier;
struct termios;
enum {
Bsd_NoKeyMode = -1
};
namespace QBsdKeyboardMap {
const quint32 FileMagic = 0x514d4150; // 'QMAP'
struct Mapping {
quint16 keycode;
quint16 unicode;
quint32 qtcode;
quint8 modifiers;
quint8 flags;
quint16 special;
};
enum Flags {
NoFlags = 0x00,
IsLetter = 0x01,
IsModifier = 0x02
};
enum Modifiers {
ModPlain = 0x00,
ModShift = 0x01,
ModAltGr = 0x02,
ModControl = 0x04,
ModAlt = 0x08,
ModShiftL = 0x10,
ModShiftR = 0x20,
ModCtrlL = 0x40,
ModCtrlR = 0x80
// ModCapsShift = 0x100, // not supported!
};
}
inline QDataStream &operator>>(QDataStream &ds, QBsdKeyboardMap::Mapping &m)
{
return ds >> m.keycode >> m.unicode >> m.qtcode >> m.modifiers >> m.flags >> m.special;
}
class QBsdKeyboardHandler : public QObject
{
Q_OBJECT
public:
QBsdKeyboardHandler(const QString &key, const QString &specification);
~QBsdKeyboardHandler() override;
static Qt::KeyboardModifiers toQtModifiers(quint8 mod)
{
Qt::KeyboardModifiers qtmod = Qt::NoModifier;
if (mod & (QBsdKeyboardMap::ModShift | QBsdKeyboardMap::ModShiftL | QBsdKeyboardMap::ModShiftR))
qtmod |= Qt::ShiftModifier;
if (mod & (QBsdKeyboardMap::ModControl | QBsdKeyboardMap::ModCtrlL | QBsdKeyboardMap::ModCtrlR))
qtmod |= Qt::ControlModifier;
if (mod & QBsdKeyboardMap::ModAlt)
qtmod |= Qt::AltModifier;
return qtmod;
}
protected:
void switchLed(int led, bool state);
void processKeycode(quint16 keycode, bool pressed, bool autorepeat);
void processKeyEvent(int nativecode, int unicode, int qtcode,
Qt::KeyboardModifiers modifiers, bool isPress, bool autoRepeat);
void revertTTYSettings();
void resetKeymap();
void readKeyboardData();
private:
QScopedPointer<QSocketNotifier> m_notifier;
QScopedPointer<termios> m_kbdOrigTty;
int m_origKbdMode = Bsd_NoKeyMode;
int m_fd = -1;
bool m_shouldClose = false;
QString m_spec;
// keymap handling
quint8 m_modifiers = 0;
bool m_capsLock = false;
bool m_numLock = false;
bool m_scrollLock = false;
QList<QBsdKeyboardMap::Mapping> m_keymap;
};
QT_END_NAMESPACE
#endif // QBSDKEYBOARD_H
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