164 lines
4.0 KiB
C++
164 lines
4.0 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 "data/data_statistics.h"
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#include "statistics/chart_horizontal_lines_data.h"
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#include "statistics/chart_line_view_context.h"
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#include "statistics/statistics_common.h"
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#include "ui/effects/animation_value.h"
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#include "ui/effects/animations.h"
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#include "ui/rp_widget.h"
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namespace Statistic {
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class RpMouseWidget;
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class PointDetailsWidget;
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class ChartLinesFilterWidget;
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class LinearChartPainter;
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class ChartWidget : public Ui::RpWidget {
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public:
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ChartWidget(not_null<Ui::RpWidget*> parent);
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void setChartData(Data::StatisticalChart chartData);
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void addHorizontalLine(Limits newHeight, bool animated);
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struct BottomCaptionLineData final {
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int step = 0;
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int stepMax = 0;
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int stepMin = 0;
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int stepMinFast = 0;
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int stepRaw = 0;
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float64 alpha = 0.;
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float64 fixedAlpha = 0.;
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};
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private:
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class Footer;
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class ChartAnimationController final {
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public:
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ChartAnimationController(Fn<void()> &&updateCallback);
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void setXPercentageLimits(
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Data::StatisticalChart &chartData,
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Limits xPercentageLimits,
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const ChartLineViewContext &chartLinesViewContext,
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crl::time now);
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void start();
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void finish();
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void resetAlpha();
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void restartBottomLineAlpha();
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void tick(
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crl::time now,
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std::vector<ChartHorizontalLinesData> &horizontalLines,
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std::vector<BottomCaptionLineData> &dateLines,
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ChartLineViewContext &chartLinesViewContext);
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[[nodiscard]] Limits currentXLimits() const;
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[[nodiscard]] Limits currentXIndices() const;
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[[nodiscard]] Limits finalXLimits() const;
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[[nodiscard]] Limits currentHeightLimits() const;
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[[nodiscard]] Limits currentFooterHeightLimits() const;
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[[nodiscard]] Limits finalHeightLimits() const;
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[[nodiscard]] float64 detailsProgress(
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crl::time now,
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const Limits &appearedOnXLimits) const;
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[[nodiscard]] bool animating() const;
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[[nodiscard]] bool footerAnimating() const;
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[[nodiscard]] bool isFPSSlow() const;
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[[nodiscard]] rpl::producer<> addHorizontalLineRequests() const;
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private:
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Ui::Animations::Basic _animation;
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crl::time _lastUserInteracted = 0;
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crl::time _bottomLineAlphaAnimationStartedAt = 0;
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anim::value _animationValueXMin;
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anim::value _animationValueXMax;
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anim::value _animationValueHeightMin;
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anim::value _animationValueHeightMax;
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anim::value _animationValueFooterHeightMin;
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anim::value _animationValueFooterHeightMax;
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anim::value _animationValueHeightAlpha;
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anim::value _animValueBottomLineAlpha;
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Limits _finalHeightLimits;
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Limits _currentXIndices;
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struct {
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float speed = 0.;
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Limits current;
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float64 currentAlpha = 0.;
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} _dtHeight;
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Limits _previousFullHeightLimits;
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struct {
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crl::time lastTickedAt = 0;
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bool lastFPSSlow = false;
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} _benchmark;
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rpl::event_stream<> _addHorizontalLineRequests;
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};
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[[nodiscard]] QRect chartAreaRect() const;
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void setupChartArea();
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void setupFooter();
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void setupDetails();
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void setupFilterButtons();
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void updateBottomDates();
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void resizeHeight();
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void updateChartFullWidth(int w);
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const base::unique_qptr<RpMouseWidget> _chartArea;
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const std::unique_ptr<Footer> _footer;
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base::unique_qptr<ChartLinesFilterWidget> _filterButtons;
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Data::StatisticalChart _chartData;
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ChartLineViewContext _animatedChartLines;
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struct {
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std::unique_ptr<LinearChartPainter> main;
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std::unique_ptr<LinearChartPainter> footer;
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} _linearChartPainter;
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struct {
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base::unique_qptr<PointDetailsWidget> widget;
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float64 currentX = 0;
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Limits appearedOnXLimits;
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} _details;
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struct {
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BottomCaptionLineData current;
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std::vector<BottomCaptionLineData> dates;
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int chartFullWidth = 0;
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int captionIndicesOffset = 0;
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} _bottomLine;
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bool _useMinHeight = false;
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ChartAnimationController _animationController;
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crl::time _lastHeightLimitsChanged = 0;
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std::vector<ChartHorizontalLinesData> _horizontalLines;
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};
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} // namespace Statistic
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