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Telegram/SourceFiles/data/data_statistics_chart.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 "statistics/segment_tree.h"
+
+namespace Data {
+
+enum class StatisticalCurrency {
+	None,
+	Ton,
+	Credits,
+};
+
+struct StatisticalChart {
+	StatisticalChart() = default;
+
+	[[nodiscard]] bool empty() const {
+		return lines.empty();
+	}
+	[[nodiscard]] explicit operator bool() const {
+		return !empty();
+	}
+
+	void measure();
+
+	[[nodiscard]] QString getDayString(int i) const;
+
+	[[nodiscard]] int findStartIndex(float64 v) const;
+	[[nodiscard]] int findEndIndex(int left, float64 v) const;
+	[[nodiscard]] int findIndex(int left, int right, float64 v) const;
+
+	struct Line final {
+		std::vector<Statistic::ChartValue> y;
+
+		Statistic::SegmentTree segmentTree;
+		int id = 0;
+		QString idString;
+		QString name;
+		Statistic::ChartValue maxValue = 0;
+		Statistic::ChartValue minValue
+			= std::numeric_limits<Statistic::ChartValue>::max();
+		QString colorKey;
+		QColor color;
+		QColor colorDark;
+		bool isHiddenOnStart = false;
+	};
+
+	std::vector<float64> x;
+	std::vector<float64> xPercentage;
+	std::vector<QString> daysLookup;
+
+	std::vector<Line> lines;
+
+	struct {
+		float64 min = 0.;
+		float64 max = 0.;
+	} defaultZoomXIndex;
+
+	Statistic::ChartValue maxValue = 0;
+	Statistic::ChartValue minValue
+		= std::numeric_limits<Statistic::ChartValue>::max();
+
+	float64 oneDayPercentage = 0.;
+
+	float64 timeStep = 1.;
+
+	bool isFooterHidden = false;
+	bool hasPercentages = false;
+	bool weekFormat = false;
+
+	StatisticalCurrency currency = StatisticalCurrency::None;
+	float64 currencyRate = 0.;
+
+	// View data.
+	int dayStringMaxWidth = 0;
+
+};
+
+struct StatisticalGraph final {
+	StatisticalChart chart;
+	QString zoomToken;
+	QString error;
+};
+
+} // namespace Data