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Diffstat (limited to 'src/platformsupport/input/evdevkeyboard/qevdevkeyboardhandler_p.h')
| -rw-r--r-- | src/platformsupport/input/evdevkeyboard/qevdevkeyboardhandler_p.h | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/src/platformsupport/input/evdevkeyboard/qevdevkeyboardhandler_p.h b/src/platformsupport/input/evdevkeyboard/qevdevkeyboardhandler_p.h new file mode 100644 index 0000000000..2d38df814d --- /dev/null +++ b/src/platformsupport/input/evdevkeyboard/qevdevkeyboardhandler_p.h @@ -0,0 +1,202 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QEVDEVKEYBOARDHANDLER_P_H +#define QEVDEVKEYBOARDHANDLER_P_H + +#include <qobject.h> +#include <QTimer> +#include <QDataStream> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +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 QEvdevKeyboardHandler : public QObject +{ + Q_OBJECT +public: + QEvdevKeyboardHandler(const QString &device, int 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 QEvdevKeyboardHandler *create(const QString &device, const QString &specification); + + 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; + } + +private slots: + void readKeycode(); + KeycodeAction processKeycode(quint16 keycode, bool pressed, bool autorepeat); + +private: + void unloadKeymap(); + bool loadKeymap(const QString &file); + void processKeyEvent(int unicode, int keycode, Qt::KeyboardModifiers modifiers, bool isPress, bool autoRepeat); + void switchLed(int, bool); + + QString m_device; + int m_fd; + + // keymap handling + quint8 m_modifiers; + quint8 m_locks[3]; + int m_composing; + quint16 m_dead_unicode; + + 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 + +QT_END_HEADER + +#endif // QEVDEVKEYBOARDHANDLER_P_H |