File indexing completed on 2025-01-26 05:09:00 

0001 /*
0002     SPDX-FileCopyrightText: 2009 Aaron Seigo <aseigo@kde.org>
0003 
0004     SPDX-License-Identifier: LGPL-2.0-or-later
0005 */
0006 
0007 #pragma once
0008 
0009 #include <Plasma5Support/DataEngine>
0010 
0011 #include <KLazyLocalizedString>
0012 #include <kmodifierkeyinfo.h>
0013 
0014 /**
0015  * This engine provides the current state of the keyboard modifiers
0016  * and mouse buttons, primarily useful for accessibility feature support.
0017  */
0018 class KeyStatesEngine : public Plasma5Support::DataEngine
0019 {
0020     Q_OBJECT
0021 
0022 public:
0023     KeyStatesEngine(QObject *parent);
0024     ~KeyStatesEngine() override;
0025 
0026     void init();
0027     Plasma5Support::Service *serviceForSource(const QString &source) override;
0028 
0029 protected:
0030     // bool sourceRequestEvent(const QString &name);
0031     // bool updateSourceEvent(const QString &source);
0032 
0033 protected Q_SLOTS:
0034     void keyPressed(Qt::Key key, bool state);
0035     void keyLatched(Qt::Key key, bool state);
0036     void keyLocked(Qt::Key key, bool state);
0037     void mouseButtonPressed(Qt::MouseButton button, bool state);
0038     void keyAdded(Qt::Key key);
0039     void keyRemoved(Qt::Key key);
0040 
0041 private:
0042     KModifierKeyInfo m_keyInfo;
0043     QMap<Qt::Key, KLazyLocalizedString> m_mods;
0044     QMap<Qt::MouseButton, KLazyLocalizedString> m_buttons;
0045 };