/* SPDX-FileCopyrightText: 2019 Michail Vourlakos SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef MODIFIERTRACKER_H #define MODIFIERTRACKER_H // Qt #include #include #include // KDE #include namespace Latte { namespace ShortcutsPart { class ModifierTracker: public QObject { Q_OBJECT public: ModifierTracker(QObject *parent); ~ModifierTracker() override; //! cancel meta is pressed delayer void cancelMetaPressed(); //! none of tracked modifiers is pressed bool noModifierPressed(); //! at least one of the modifiers from KeySequence is pressed bool sequenceModifierPressed(const QKeySequence &seq); //! only is pressed and no other modifier bool singleModifierPressed(Qt::Key key); void blockModifierTracking(Qt::Key key); void unblockModifierTracking(Qt::Key key); signals: void metaModifierPressed(); void modifiersChanged(); private: void init(); //! modifier is tracked for changes bool modifierIsTracked(Qt::Key key); //! adjust key in more general values, e.g. Super_L and Super_R both return Super_L Qt::Key normalizeKey(Qt::Key key); private: KModifierKeyInfo m_modifierKeyInfo; QTimer m_metaPressedTimer; //! modifiers that the user does not want to track anymore QList m_blockedModifiers; //! keep a record for modifiers QHash m_pressed; }; } } #endif