97 lines
2.2 KiB
C++
97 lines
2.2 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/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 StackChartView final : public AbstractChartView {
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public:
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StackChartView();
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~StackChartView() override final;
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void paint(
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QPainter &p,
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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 &rect,
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bool footer) override;
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void paintSelectedXIndex(
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QPainter &p,
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const Data::StatisticalChart &chartData,
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const Limits &xPercentageLimits,
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const Limits &heightLimits,
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const QRect &rect,
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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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private:
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void paint(
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QPainter &p,
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const Data::StatisticalChart &chartData,
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const Limits &xPercentageLimits,
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const Limits &heightLimits,
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const QRect &rect,
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bool footer);
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struct {
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Limits full;
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std::vector<int> ySum;
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SegmentTree ySumSegmentTree;
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} _cachedHeightLimits;
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Limits _lastPaintedXIndices;
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int _lastSelectedXIndex = -1;
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float64 _lastSelectedXProgress = 0;
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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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};
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} // namespace Statistic
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