1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015-2016 Oleksandr Tymoshenko <gonzo@bluezbox.com> 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the plugins of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QBSDKEYBOARD_H 41 #define QBSDKEYBOARD_H 42 43 #include <qobject.h> 44 #include <QDataStream> 45 #include <QVector> 46 47 QT_BEGIN_NAMESPACE 48 49 class QSocketNotifier; 50 51 struct termios; 52 53 enum { 54 Bsd_NoKeyMode = -1 55 }; 56 57 namespace QBsdKeyboardMap { 58 const quint32 FileMagic = 0x514d4150; // 'QMAP' 59 60 struct Mapping { 61 quint16 keycode; 62 quint16 unicode; 63 quint32 qtcode; 64 quint8 modifiers; 65 quint8 flags; 66 quint16 special; 67 68 }; 69 70 enum Flags { 71 NoFlags = 0x00, 72 IsLetter = 0x01, 73 IsModifier = 0x02 74 }; 75 76 enum Modifiers { 77 ModPlain = 0x00, 78 ModShift = 0x01, 79 ModAltGr = 0x02, 80 ModControl = 0x04, 81 ModAlt = 0x08, 82 ModShiftL = 0x10, 83 ModShiftR = 0x20, 84 ModCtrlL = 0x40, 85 ModCtrlR = 0x80 86 // ModCapsShift = 0x100, // not supported! 87 }; 88 } 89 90 inline QDataStream &operator>>(QDataStream &ds, QBsdKeyboardMap::Mapping &m) 91 { 92 return ds >> m.keycode >> m.unicode >> m.qtcode >> m.modifiers >> m.flags >> m.special; 93 } 94 95 class QBsdKeyboardHandler : public QObject 96 { 97 Q_OBJECT 98 99 public: 100 QBsdKeyboardHandler(const QString &key, const QString &specification); 101 ~QBsdKeyboardHandler() override; 102 toQtModifiers(quint8 mod)103 static Qt::KeyboardModifiers toQtModifiers(quint8 mod) 104 { 105 Qt::KeyboardModifiers qtmod = Qt::NoModifier; 106 107 if (mod & (QBsdKeyboardMap::ModShift | QBsdKeyboardMap::ModShiftL | QBsdKeyboardMap::ModShiftR)) 108 qtmod |= Qt::ShiftModifier; 109 if (mod & (QBsdKeyboardMap::ModControl | QBsdKeyboardMap::ModCtrlL | QBsdKeyboardMap::ModCtrlR)) 110 qtmod |= Qt::ControlModifier; 111 if (mod & QBsdKeyboardMap::ModAlt) 112 qtmod |= Qt::AltModifier; 113 114 return qtmod; 115 } 116 117 protected: 118 void switchLed(int led, bool state); 119 void processKeycode(quint16 keycode, bool pressed, bool autorepeat); 120 void processKeyEvent(int nativecode, int unicode, int qtcode, 121 Qt::KeyboardModifiers modifiers, bool isPress, bool autoRepeat); 122 void revertTTYSettings(); 123 void resetKeymap(); 124 void readKeyboardData(); 125 126 private: 127 QScopedPointer<QSocketNotifier> m_notifier; 128 QScopedPointer<termios> m_kbdOrigTty; 129 int m_origKbdMode = Bsd_NoKeyMode; 130 int m_fd = -1; 131 bool m_shouldClose = false; 132 QString m_spec; 133 134 // keymap handling 135 quint8 m_modifiers = 0; 136 bool m_capsLock = false; 137 bool m_numLock = false; 138 bool m_scrollLock = false; 139 140 QVector<QBsdKeyboardMap::Mapping> m_keymap; 141 }; 142 143 QT_END_NAMESPACE 144 145 #endif // QBSDKEYBOARD_H 146