File indexing completed on 2024-04-21 16:17:13
0001 /* 0002 * Copyright 2019 Michail Vourlakos <mvourlakos@gmail.com> 0003 * 0004 * This file is part of Latte-Dock 0005 * 0006 * Latte-Dock is free software; you can redistribute it and/or 0007 * modify it under the terms of the GNU General Public License as 0008 * published by the Free Software Foundation; either version 2 of 0009 * the License, or (at your option) any later version. 0010 * 0011 * Latte-Dock is distributed in the hope that it will be useful, 0012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 0013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 0014 * GNU General Public License for more details. 0015 * 0016 * You should have received a copy of the GNU General Public License 0017 * along with this program. If not, see <http://www.gnu.org/licenses/>. 0018 */ 0019 0020 #ifndef MODIFIERTRACKER_H 0021 #define MODIFIERTRACKER_H 0022 0023 // Qt 0024 #include <QHash> 0025 #include <QObject> 0026 #include <QTimer> 0027 0028 // KDE 0029 #include <KModifierKeyInfo> 0030 0031 namespace Latte { 0032 namespace ShortcutsPart { 0033 0034 class ModifierTracker: public QObject { 0035 Q_OBJECT 0036 0037 public: 0038 ModifierTracker(QObject *parent); 0039 ~ModifierTracker() override; 0040 0041 //! cancel meta is pressed delayer 0042 void cancelMetaPressed(); 0043 0044 //! none of tracked modifiers is pressed 0045 bool noModifierPressed(); 0046 0047 //! at least one of the modifiers from KeySequence is pressed 0048 bool sequenceModifierPressed(const QKeySequence &seq); 0049 0050 //! only <key> is pressed and no other modifier 0051 bool singleModifierPressed(Qt::Key key); 0052 0053 void blockModifierTracking(Qt::Key key); 0054 void unblockModifierTracking(Qt::Key key); 0055 0056 signals: 0057 void metaModifierPressed(); 0058 void modifiersChanged(); 0059 0060 private: 0061 void init(); 0062 0063 //! <key> modifier is tracked for changes 0064 bool modifierIsTracked(Qt::Key key); 0065 0066 //! adjust key in more general values, e.g. Super_L and Super_R both return Super_L 0067 Qt::Key normalizeKey(Qt::Key key); 0068 0069 private: 0070 KModifierKeyInfo m_modifierKeyInfo; 0071 QTimer m_metaPressedTimer; 0072 0073 //! modifiers that the user does not want to track anymore 0074 QList<Qt::Key> m_blockedModifiers; 0075 0076 //! keep a record for modifiers 0077 QHash<Qt::Key, bool> m_pressed; 0078 0079 }; 0080 0081 } 0082 } 0083 0084 #endif