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| |
| #ifndef QEVDEVKEYBOARDHANDLER_P_H |
| #define QEVDEVKEYBOARDHANDLER_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 <qobject.h> |
| #include <QTimer> |
| #include <QDataStream> |
| |
| #include <memory> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QSocketNotifier; |
| |
| namespace QEvdevKeyboardMap { |
| const quint32 FileMagic = 0x514d4150; // 'QMAP' |
| |
| struct Mapping { |
| quint16 keycode; |
| quint16 unicode; |
| quint32 qtcode; |
| quint8 modifiers; |
| quint8 flags; |
| quint16 special; |
| |
| }; |
| |
| enum Flags { |
| IsDead = 0x01, |
| IsLetter = 0x02, |
| IsModifier = 0x04, |
| IsSystem = 0x08 |
| }; |
| |
| enum System { |
| SystemConsoleFirst = 0x0100, |
| SystemConsoleMask = 0x007f, |
| SystemConsoleLast = 0x017f, |
| SystemConsolePrevious = 0x0180, |
| SystemConsoleNext = 0x0181, |
| SystemReboot = 0x0200, |
| SystemZap = 0x0300 |
| }; |
| |
| struct Composing { |
| quint16 first; |
| quint16 second; |
| quint16 result; |
| }; |
| |
| 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, QEvdevKeyboardMap::Mapping &m) |
| { |
| return ds >> m.keycode >> m.unicode >> m.qtcode >> m.modifiers >> m.flags >> m.special; |
| } |
| |
| inline QDataStream &operator<<(QDataStream &ds, const QEvdevKeyboardMap::Mapping &m) |
| { |
| return ds << m.keycode << m.unicode << m.qtcode << m.modifiers << m.flags << m.special; |
| } |
| |
| inline QDataStream &operator>>(QDataStream &ds, QEvdevKeyboardMap::Composing &c) |
| { |
| return ds >> c.first >> c.second >> c.result; |
| } |
| |
| inline QDataStream &operator<<(QDataStream &ds, const QEvdevKeyboardMap::Composing &c) |
| { |
| return ds << c.first << c.second << c.result; |
| } |
| |
| class QFdContainer |
| { |
| int m_fd; |
| Q_DISABLE_COPY_MOVE(QFdContainer); |
| public: |
| explicit QFdContainer(int fd = -1) noexcept : m_fd(fd) {} |
| ~QFdContainer() { reset(); } |
| |
| int get() const noexcept { return m_fd; } |
| |
| int release() noexcept { int result = m_fd; m_fd = -1; return result; } |
| void reset() noexcept; |
| }; |
| |
| class QEvdevKeyboardHandler : public QObject |
| { |
| public: |
| QEvdevKeyboardHandler(const QString &device, QFdContainer &fd, bool disableZap, bool enableCompose, const QString &keymapFile); |
| ~QEvdevKeyboardHandler(); |
| |
| enum KeycodeAction { |
| None = 0, |
| |
| CapsLockOff = 0x01000000, |
| CapsLockOn = 0x01000001, |
| NumLockOff = 0x02000000, |
| NumLockOn = 0x02000001, |
| ScrollLockOff = 0x03000000, |
| ScrollLockOn = 0x03000001, |
| |
| Reboot = 0x04000000, |
| |
| PreviousConsole = 0x05000000, |
| NextConsole = 0x05000001, |
| SwitchConsoleFirst = 0x06000000, |
| SwitchConsoleLast = 0x0600007f, |
| SwitchConsoleMask = 0x0000007f |
| }; |
| |
| static std::unique_ptr<QEvdevKeyboardHandler> create(const QString &device, |
| const QString &specification, |
| const QString &defaultKeymapFile = QString()); |
| |
| static Qt::KeyboardModifiers toQtModifiers(quint8 mod) |
| { |
| Qt::KeyboardModifiers qtmod = Qt::NoModifier; |
| |
| if (mod & (QEvdevKeyboardMap::ModShift | QEvdevKeyboardMap::ModShiftL | QEvdevKeyboardMap::ModShiftR)) |
| qtmod |= Qt::ShiftModifier; |
| if (mod & (QEvdevKeyboardMap::ModControl | QEvdevKeyboardMap::ModCtrlL | QEvdevKeyboardMap::ModCtrlR)) |
| qtmod |= Qt::ControlModifier; |
| if (mod & QEvdevKeyboardMap::ModAlt) |
| qtmod |= Qt::AltModifier; |
| |
| return qtmod; |
| } |
| |
| bool loadKeymap(const QString &file); |
| void unloadKeymap(); |
| |
| void readKeycode(); |
| KeycodeAction processKeycode(quint16 keycode, bool pressed, bool autorepeat); |
| |
| void switchLang(); |
| |
| private: |
| void processKeyEvent(int nativecode, int unicode, int qtcode, |
| Qt::KeyboardModifiers modifiers, bool isPress, bool autoRepeat); |
| void switchLed(int, bool); |
| |
| QString m_device; |
| QFdContainer m_fd; |
| QSocketNotifier *m_notify; |
| |
| // keymap handling |
| quint8 m_modifiers; |
| quint8 m_locks[3]; |
| int m_composing; |
| quint16 m_dead_unicode; |
| quint8 m_langLock; |
| |
| bool m_no_zap; |
| bool m_do_compose; |
| |
| const QEvdevKeyboardMap::Mapping *m_keymap; |
| int m_keymap_size; |
| const QEvdevKeyboardMap::Composing *m_keycompose; |
| int m_keycompose_size; |
| |
| static const QEvdevKeyboardMap::Mapping s_keymap_default[]; |
| static const QEvdevKeyboardMap::Composing s_keycompose_default[]; |
| }; |
| |
| |
| QT_END_NAMESPACE |
| |
| #endif // QEVDEVKEYBOARDHANDLER_P_H |