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Telegram/SourceFiles/ui/widgets/horizontal_fit_container.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/rp_widget.h"
+#include "base/unique_qptr.h"
+
+namespace Ui {
+
+class AbstractButton;
+
+class HorizontalFitContainer final : public RpWidget {
+public:
+	HorizontalFitContainer(
+		not_null<RpWidget*> parent,
+		int spacing);
+
+	int add(not_null<AbstractButton*> button);
+	void remove(int id);
+
+private:
+	void updateLayout(QSize size);
+
+	const int _spacing;
+	std::map<int, base::unique_qptr<AbstractButton>> _buttons;
+	int _nextId = 0;
+	rpl::lifetime _layoutLifetime;
+
+};
+
+} // namespace Ui