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Telegram/SourceFiles/profile/profile_back_button.h

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "ui/abstract_button.h"
+
+namespace Main {
+class Session;
+} // namespace Main
+
+namespace Profile {
+
+class BackButton final : public Ui::AbstractButton {
+public:
+	BackButton(
+		QWidget *parent,
+		not_null<Main::Session*> session,
+		const QString &text,
+		rpl::producer<bool> oneColumnValue);
+
+	void setText(const QString &text);
+
+protected:
+	void paintEvent(QPaintEvent *e) override;
+
+	int resizeGetHeight(int newWidth) override;
+	void onStateChanged(State was, StateChangeSource source) override;
+
+private:
+	const not_null<Main::Session*> _session;
+
+	rpl::lifetime _unreadBadgeLifetime;
+	QString _text;
+
+};
+
+} // namespace Profile