111 lines
2.3 KiB
C++
111 lines
2.3 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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namespace Data {
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struct StatisticalChart;
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} // namespace Data
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namespace Statistic {
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struct Limits;
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class LinesFilterController;
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struct PaintContext final {
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const Data::StatisticalChart &chartData;
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const Limits xIndices;
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const Limits xPercentageLimits;
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const Limits heightLimits;
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const QRect ▭
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bool footer = false;
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};
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class AbstractChartView {
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public:
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virtual ~AbstractChartView() = default;
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virtual void paint(QPainter &p, const PaintContext &c) = 0;
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virtual void paintSelectedXIndex(
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QPainter &p,
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const PaintContext &c,
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int selectedXIndex,
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float64 progress) = 0;
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[[nodiscard]] virtual int findXIndexByPosition(
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const Data::StatisticalChart &chartData,
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const Limits &xPercentageLimits,
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const QRect &rect,
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float64 x) = 0;
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struct HeightLimits final {
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Limits full;
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Limits ranged;
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};
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[[nodiscard]] virtual HeightLimits heightLimits(
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Data::StatisticalChart &chartData,
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Limits xIndices) = 0;
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struct LocalZoomResult final {
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bool hasZoom = false;
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Limits limitIndices;
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Limits range;
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};
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struct LocalZoomArgs final {
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enum class Type {
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Prepare,
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SkipCalculation,
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CheckAvailability,
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Process,
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SaveZoomFromFooter,
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};
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const Data::StatisticalChart &chartData;
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Type type;
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float64 progress = 0.;
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int xIndex = 0;
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};
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virtual LocalZoomResult maybeLocalZoom(const LocalZoomArgs &args) {
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return {};
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}
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virtual void handleMouseMove(
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const Data::StatisticalChart &chartData,
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const QRect &rect,
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const QPoint &p) {
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}
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void setUpdateCallback(Fn<void()> callback) {
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_updateCallback = std::move(callback);
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}
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void update() {
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if (_updateCallback) {
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_updateCallback();
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}
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}
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void setLinesFilterController(std::shared_ptr<LinesFilterController> c) {
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_linesFilterController = std::move(c);
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}
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protected:
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using LinesFilterControllerPtr = std::shared_ptr<LinesFilterController>;
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[[nodiscard]] LinesFilterControllerPtr linesFilterController() {
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return _linesFilterController;
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}
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private:
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LinesFilterControllerPtr _linesFilterController;
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Fn<void()> _updateCallback;
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};
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} // namespace Statistic
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