tdesktop/Telegram/SourceFiles/profile/profile_back_button.h

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org

Telegram Desktop 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.

It 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.

In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.

Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once

#include "ui/abstract_button.h"

namespace Profile {

class BackButton final : public Ui::AbstractButton, private base::Subscriber {
public:
	BackButton(QWidget *parent, const QString &text);

	void setText(const QString &text);

protected:
	void paintEvent(QPaintEvent *e) override;

	int resizeGetHeight(int newWidth) override;
	void onStateChanged(State was, StateChangeSource source) override;

private:
	void updateAdaptiveLayout();

	int _unreadCounterSubscription = 0;
	QString _text;

};

} // namespace Profile