/*Copyright (C) 2020, KylinSoft Co., Ltd.
 * This file is part of Kylin-Screenshot.
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/


#pragma once

#include <QObject>
#include <QAbstractNativeEventFilter>

class GlobalShortcutFilter : public QObject, public QAbstractNativeEventFilter {
    Q_OBJECT
public:
    explicit GlobalShortcutFilter(QObject *parent = nullptr);

    bool nativeEventFilter(const QByteArray &eventType, void *message, long *result);

signals:
    void printPressed();

private:
    quint32 getNativeModifier(Qt::KeyboardModifiers modifiers);
    quint32 nativeKeycode(Qt::Key key);
    bool registerShortcut(quint32 nativeKey, quint32 nativeMods);
    bool unregisterShortcut(quint32 nativeKey, quint32 nativeMods);
};
