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Telegram/SourceFiles/ui/controls/stars_rating.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 "base/weak_ptr.h"
+#include "data/data_peer_common.h"
+
+namespace style {
+struct Toast;
+struct LevelShape;
+} // namespace style
+
+namespace Ui::Toast {
+class Instance;
+} // namespace Ui::Toast
+
+namespace Ui {
+
+class ImportantTooltip;
+class AbstractButton;
+class FlatLabel;
+class Show;
+
+class StarsRating final {
+public:
+	StarsRating(
+		QWidget *parent,
+		std::shared_ptr<Ui::Show> show,
+		const QString &name,
+		rpl::producer<Data::StarsRating> value,
+		Fn<Data::StarsRatingPending()> pending);
+	~StarsRating();
+
+	void raise();
+	void moveTo(int x, int y);
+	void setOpacity(float64 opacity);
+	void setCustomColors(
+		std::optional<QColor> textColor,
+		std::optional<QColor> shapeColor);
+
+	[[nodiscard]] rpl::producer<int> widthValue() const;
+	[[nodiscard]] int width() const;
+
+	[[nodiscard]] rpl::lifetime &lifetime();
+
+private:
+	void init();
+	void paint(QPainter &p);
+	void updateData(Data::StarsRating rating);
+	void updateWidth();
+
+	const std::unique_ptr<Ui::AbstractButton> _widget;
+	const std::shared_ptr<Ui::Show> _show;
+	const QString _name;
+
+	QString _collapsedText;
+
+	rpl::variable<Data::StarsRating> _value;
+	Fn<Data::StarsRatingPending()> _pending;
+	rpl::variable<int> _widthValue;
+	const style::LevelShape *_shape = nullptr;
+
+	QImage _cache;
+	int _cachedLevel = std::numeric_limits<int>::min();
+
+	int _currentLevel = 0;
+	float64 _opacity = 1.;
+
+	std::optional<QColor> _customTextColor;
+	std::optional<QColor> _customShapeColor;
+
+};
+
+} // namespace Ui