156 lines
3.8 KiB
C++
156 lines
3.8 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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#include "statistics/segment_tree.h"
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#include "statistics/statistics_common.h"
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#include "statistics/view/abstract_chart_view.h"
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#include "ui/effects/animations.h"
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#include "ui/effects/animation_value.h"
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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 StackLinearChartView final : public AbstractChartView {
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public:
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StackLinearChartView();
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~StackLinearChartView() override final;
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void paint(QPainter &p, const PaintContext &c) override;
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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) override;
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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) override;
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void setEnabled(int id, bool enabled, crl::time now) override;
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[[nodiscard]] bool isEnabled(int id) const override;
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[[nodiscard]] bool isFinished() const override;
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[[nodiscard]] float64 alpha(int id) const override;
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[[nodiscard]] HeightLimits heightLimits(
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Data::StatisticalChart &chartData,
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Limits xIndices) override;
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void tick(crl::time now) override;
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void update(float64 dt) override;
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LocalZoomResult maybeLocalZoom(const LocalZoomArgs &args) override final;
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void setUpdateCallback(Fn<void()> callback);
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void handleMouseMove(
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const Data::StatisticalChart &chartData,
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const QPoint ¢er,
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const QPoint &p);
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private:
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enum class TransitionStep {
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PrepareToZoomIn,
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PrepareToZoomOut,
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ZoomedOut,
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};
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void paintChartOrZoomAnimation(QPainter &p, const PaintContext &c);
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void paintZoomed(QPainter &p, const PaintContext &c);
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void paintZoomedFooter(QPainter &p, const PaintContext &c);
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void paintPieText(QPainter &p, const PaintContext &c);
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[[nodiscard]] bool skipSelectedTranslation() const;
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struct PiePartData {
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float64 roundedPercentage = 0; // 0.XX.
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float64 stackedAngle = 0.;
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};
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void prepareZoom(const PaintContext &c, TransitionStep step);
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void saveZoomRange(const PaintContext &c);
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void savePieTextParts(const PaintContext &c);
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void applyParts(const std::vector<PiePartData> &parts);
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[[nodiscard]] std::vector<PiePartData> partsPercentage(
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const Data::StatisticalChart &chartData,
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const Limits &xIndices);
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struct SelectedPoints final {
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int lastXIndex = -1;
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Limits lastHeightLimits;
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Limits lastXLimits;
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base::flat_map<int, QPointF> points;
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};
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SelectedPoints _selectedPoints;
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struct Entry final {
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bool enabled = false;
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crl::time startedAt = 0;
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float64 alpha = 1.;
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anim::value anim;
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bool disabled = false;
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};
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base::flat_map<int, Entry> _entries;
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bool _isFinished = true;
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struct Transition {
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struct TransitionLine {
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QPointF start;
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QPointF end;
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float64 angle = 0.;
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float64 sum = 0.;
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};
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std::vector<TransitionLine> lines;
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float64 progress = 0;
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bool pendingPrepareToZoomIn = false;
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Limits zoomedOutXIndices;
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Limits zoomedInLimit;
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Limits zoomedInLimitXIndices;
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Limits zoomedInRange;
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Limits zoomedInRangeXIndices;
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std::vector<PiePartData> textParts;
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} _transition;
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std::vector<bool> _skipPoints;
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class PiePartController final {
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public:
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using LineId = int;
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bool set(LineId id);
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[[nodiscard]] float64 progress(LineId id) const;
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[[nodiscard]] QPointF offset(LineId id, float64 angle) const;
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[[nodiscard]] LineId selected() const;
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[[nodiscard]] bool isFinished() const;
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private:
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void update(LineId id);
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base::flat_map<LineId, crl::time> _startedAt;
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LineId _selected = -1;
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};
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PiePartController _piePartController;
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Ui::Animations::Basic _piePartAnimation;
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bool _pieHasSinglePart = false;
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};
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} // namespace Statistic
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