capslock.h
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capslock.h
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	/* capslock.h - Helper to check whether Caps Lock is on
	* Copyright (C) 2021 g10 Code GmbH
	*
	* Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
	*
	* 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 2 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/>.
	* SPDX-License-Identifier: GPL-2.0+
	*/

	#ifndef __PINENTRY_QT_CAPSLOCK_H__
	#define __PINENTRY_QT_CAPSLOCK_H__

	#include <QObject>

	#include <memory>

	enum class LockState
	{
	Unknown = -1,
	Off,
	On
	};

	LockState capsLockState();

	class CapsLockWatcher : public QObject
	{
	Q_OBJECT

	public:
	explicit CapsLockWatcher(QObject *parent = nullptr);

	Q_SIGNALS:
	void stateChanged(bool locked);

	private:
	class Private;
	std::unique_ptr<Private> d;
	};

	#endif // __PINENTRY_QT_CAPSLOCK_H__