keystate.h

/*
    SPDX-FileCopyrightText: 2009 Aaron Seigo <aseigo@kde.org>
 
    SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#pragma once
 
#include <Plasma5Support/DataEngine>
 
#include <KLazyLocalizedString>
#include <kmodifierkeyinfo.h>
 
/**
 * This engine provides the current state of the keyboard modifiers
 * and mouse buttons, primarily useful for accessibility feature support.
 */
class KeyStatesEngine : public Plasma5Support::DataEngine
{
    Q_OBJECT
 
public:
    KeyStatesEngine(QObject *parent);
    ~KeyStatesEngine() override;
 
    void init();
    Plasma5Support::Service *serviceForSource(const QString &source) override;
 
protected:
    // bool sourceRequestEvent(const QString &name);
    // bool updateSourceEvent(const QString &source);
 
protected Q_SLOTS:
    void keyPressed(Qt::Key key, bool state);
    void keyLatched(Qt::Key key, bool state);
    void keyLocked(Qt::Key key, bool state);
    void mouseButtonPressed(Qt::MouseButton button, bool state);
    void keyAdded(Qt::Key key);
    void keyRemoved(Qt::Key key);
 
private:
    KModifierKeyInfo m_keyInfo;
    QMap<Qt::Key, KLazyLocalizedString> m_mods;
    QMap<Qt::MouseButton, KLazyLocalizedString> m_buttons;
};