stickykeys.h

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/*
    SPDX-FileCopyrightText: 2022 Nicolas Fella <nicolas.fella@gmx.de>
 
    SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
 
#pragma once
 
#include "plugin.h"
 
#include "input.h"
#include "input_event.h"
 
class StickyKeysFilter : public KWin::Plugin, public KWin::InputEventFilter
{
    Q_OBJECT
public:
    explicit StickyKeysFilter();
 
    bool keyEvent(KWin::KeyEvent *event) override;
 
    enum KeyState {
        None,
        Latched,
        Locked,
    };
 
private:
    void loadConfig(const KConfigGroup &group);
 
    KConfigWatcher::Ptr m_configWatcher;
    QMap<int, KeyState> m_keyStates;
    QList<int> m_modifiers = {Qt::Key_Shift, Qt::Key_Control, Qt::Key_Alt, Qt::Key_AltGr, Qt::Key_Meta};
    bool m_lockKeys = false;
};