1564 lines
		
	
	
	
		
			42 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			1564 lines
		
	
	
	
		
			42 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| This file is part of Telegram Desktop,
 | |
| the official desktop application for the Telegram messaging service.
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| 
 | |
| For license and copyright information please follow this link:
 | |
| https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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| */
 | |
| #include "statistics/chart_widget.h"
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| 
 | |
| #include "base/qt/qt_key_modifiers.h"
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| #include "lang/lang_keys.h"
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| #include "statistics/chart_lines_filter_controller.h"
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| #include "statistics/view/abstract_chart_view.h"
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| #include "statistics/view/chart_view_factory.h"
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| #include "statistics/view/stack_chart_common.h"
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| #include "statistics/widgets/chart_header_widget.h"
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| #include "statistics/widgets/chart_lines_filter_widget.h"
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| #include "statistics/widgets/point_details_widget.h"
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| #include "ui/abstract_button.h"
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| #include "ui/effects/animation_value_f.h"
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| #include "ui/effects/ripple_animation.h"
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| #include "ui/effects/show_animation.h"
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| #include "ui/image/image_prepare.h"
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| #include "ui/painter.h"
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| #include "ui/rect.h"
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| #include "ui/widgets/buttons.h"
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| #include "styles/style_layers.h"
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| #include "styles/style_statistics.h"
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| 
 | |
| namespace Statistic {
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| 
 | |
| namespace {
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| 
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| constexpr auto kHeightLimitsUpdateTimeout = crl::time(320);
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| 
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| inline float64 InterpolationRatio(float64 from, float64 to, float64 result) {
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| 	return (result - from) / (to - from);
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| };
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| 
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| void FillLineColorsByKey(Data::StatisticalChart &chartData) {
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| 	for (auto &line : chartData.lines) {
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| 		if (line.colorKey == u"BLUE"_q) {
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| 			line.color = st::statisticsChartLineBlue->c;
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| 		} else if (line.colorKey == u"GREEN"_q) {
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| 			line.color = st::statisticsChartLineGreen->c;
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| 		} else if (line.colorKey == u"RED"_q) {
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| 			line.color = st::statisticsChartLineRed->c;
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| 		} else if (line.colorKey == u"GOLDEN"_q) {
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| 			line.color = st::statisticsChartLineGolden->c;
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| 		} else if (line.colorKey == u"LIGHTBLUE"_q) {
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| 			line.color = st::statisticsChartLineLightblue->c;
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| 		} else if (line.colorKey == u"LIGHTGREEN"_q) {
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| 			line.color = st::statisticsChartLineLightgreen->c;
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| 		} else if (line.colorKey == u"ORANGE"_q) {
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| 			line.color = st::statisticsChartLineOrange->c;
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| 		} else if (line.colorKey == u"INDIGO"_q) {
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| 			line.color = st::statisticsChartLineIndigo->c;
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| 		} else if (line.colorKey == u"PURPLE"_q) {
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| 			line.color = st::statisticsChartLinePurple->c;
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| 		} else if (line.colorKey == u"CYAN"_q) {
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| 			line.color = st::statisticsChartLineCyan->c;
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| 		}
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| 	}
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| }
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| 
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| [[nodiscard]] QString HeaderSubTitle(
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| 		const Data::StatisticalChart &chartData,
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| 		int xIndexMin,
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| 		int xIndexMax) {
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| 	constexpr auto kOneDay = 3600 * 24 * 1000;
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| 	const auto leftTimestamp = chartData.x[xIndexMin];
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| 	if (leftTimestamp < kOneDay) {
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| 		return {};
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| 	}
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| 	const auto formatter = u"d MMM yyyy"_q;
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| 	const auto leftDateTime = QDateTime::fromSecsSinceEpoch(
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| 		leftTimestamp / 1000);
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| 	const auto leftText = QLocale().toString(leftDateTime.date(), formatter);
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| 	if ((xIndexMin == xIndexMax) && !chartData.weekFormat) {
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| 		return leftText;
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| 	} else {
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| 		constexpr auto kSevenDays = 3600 * 24 * 7;
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| 		const auto rightDateTime = QDateTime::fromSecsSinceEpoch(0
 | |
| 			+ (chartData.x[xIndexMax] / 1000)
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| 			+ (chartData.weekFormat ? kSevenDays : 0));
 | |
| 		return leftText
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| 			+ ' '
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| 			+ QChar(8212)
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| 			+ ' '
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| 			+ QLocale().toString(rightDateTime.date(), formatter);
 | |
| 	}
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| }
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| 
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| void PaintBottomLine(
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| 		QPainter &p,
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| 		const std::vector<ChartWidget::BottomCaptionLineData> &dates,
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| 		Data::StatisticalChart &chartData,
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| 		const Limits &xPercentageLimits,
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| 		int fullWidth,
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| 		int chartWidth,
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| 		int y,
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| 		int captionIndicesOffset) {
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| 	p.setFont(st::statisticsDetailsBottomCaptionStyle.font);
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| 	const auto opacity = p.opacity();
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| 
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| 	const auto startXIndex = chartData.findStartIndex(
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| 		xPercentageLimits.min);
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| 	const auto endXIndex = chartData.findEndIndex(
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| 		startXIndex,
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| 		xPercentageLimits.max);
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| 
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| 	const auto edgeAlphaSize = st::statisticsChartBottomCaptionMaxWidth / 4.;
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| 
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| 	for (auto k = 0; k < dates.size(); k++) {
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| 		const auto &date = dates[k];
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| 		const auto isLast = (k == dates.size() - 1);
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| 		const auto resultAlpha = date.alpha;
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| 		const auto step = std::max(date.step, 1);
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| 
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| 		auto start = startXIndex - captionIndicesOffset;
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| 		while (start % step != 0) {
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| 			start--;
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| 		}
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| 
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| 		auto end = endXIndex - captionIndicesOffset;
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| 		while ((end % step != 0) || end < (chartData.x.size() - 1)) {
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| 			end++;
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| 		}
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| 
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| 		start += captionIndicesOffset;
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| 		end += captionIndicesOffset;
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| 
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| 		const auto offset = fullWidth * xPercentageLimits.min;
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| 
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| 		// 30 ms / 200 ms = 0.15.
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| 		constexpr auto kFastAlphaSpeed = 0.85;
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| 		const auto hasFastAlpha = (date.stepRaw < dates.back().stepMinFast);
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| 		const auto fastAlpha = isLast
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| 			? 1.
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| 			: std::max(resultAlpha - kFastAlphaSpeed, 0.);
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| 
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| 		for (auto i = start; i < end; i += step) {
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| 			if ((i < 0) || (i >= (chartData.x.size() - 1))) {
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| 				continue;
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| 			}
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| 			const auto xPercentage = (chartData.x[i] - chartData.x.front())
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| 				/ float64(chartData.x.back() - chartData.x.front());
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| 			const auto xPoint = xPercentage * fullWidth - offset;
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| 			const auto r = QRectF(
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| 				xPoint - st::statisticsChartBottomCaptionMaxWidth / 2.,
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| 				y,
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| 				st::statisticsChartBottomCaptionMaxWidth,
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| 				st::statisticsChartBottomCaptionHeight);
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| 			const auto edgeAlpha = (r.x() < 0)
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| 				? std::max(
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| 					0.,
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| 					1. + (r.x() / edgeAlphaSize))
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| 				: (rect::right(r) > chartWidth)
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| 				? std::max(
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| 					0.,
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| 					1. + ((chartWidth - rect::right(r)) / edgeAlphaSize))
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| 				: 1.;
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| 			p.setOpacity(opacity
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| 				* edgeAlpha
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| 				* (hasFastAlpha ? fastAlpha : resultAlpha));
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| 			p.drawText(r, chartData.getDayString(i), style::al_center);
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| 		}
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| 	}
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| }
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| 
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| } // namespace
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| 
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| class RpMouseWidget : public Ui::AbstractButton {
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| public:
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| 	using Ui::AbstractButton::AbstractButton;
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| 
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| 	struct State {
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| 		QPoint point;
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| 		QEvent::Type mouseState;
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| 	};
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| 
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| 	[[nodiscard]] const QPoint &start() const;
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| 	[[nodiscard]] rpl::producer<State> mouseStateChanged() const;
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| 
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| protected:
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| 	void mousePressEvent(QMouseEvent *e) override;
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| 	void mouseMoveEvent(QMouseEvent *e) override;
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| 	void mouseReleaseEvent(QMouseEvent *e) override;
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| 
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| private:
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| 	QPoint _start = QPoint(-1, -1);
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| 
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| 	rpl::event_stream<State> _mouseStateChanged;
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| 
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| };
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| 
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| const QPoint &RpMouseWidget::start() const {
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| 	return _start;
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| }
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| 
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| rpl::producer<RpMouseWidget::State> RpMouseWidget::mouseStateChanged() const {
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| 	return _mouseStateChanged.events();
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| }
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| 
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| void RpMouseWidget::mousePressEvent(QMouseEvent *e) {
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| 	_start = e->pos();
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| 	_mouseStateChanged.fire({ e->pos(), QEvent::MouseButtonPress });
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| }
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| 
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| void RpMouseWidget::mouseMoveEvent(QMouseEvent *e) {
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| 	if (_start.x() >= 0 || _start.y() >= 0) {
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| 		_mouseStateChanged.fire({ e->pos(), QEvent::MouseMove });
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| 	}
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| }
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| 
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| void RpMouseWidget::mouseReleaseEvent(QMouseEvent *e) {
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| 	_start = { -1, -1 };
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| 	_mouseStateChanged.fire({ e->pos(), QEvent::MouseButtonRelease });
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| }
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| 
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| class ChartWidget::Footer final : public RpMouseWidget {
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| public:
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| 	using PaintCallback = Fn<void(QPainter &, const QRect &)>;
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| 
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| 	explicit Footer(not_null<Ui::RpWidget*> parent);
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| 
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| 	void setXPercentageLimits(const Limits &xLimits);
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| 
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| 	[[nodiscard]] Limits xPercentageLimits() const;
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| 	[[nodiscard]] rpl::producer<Limits> xPercentageLimitsChange() const;
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| 
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| 	void setPaintChartCallback(PaintCallback paintChartCallback);
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| 
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| protected:
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| 	void paintEvent(QPaintEvent *e) override;
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| 
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| 	int resizeGetHeight(int newWidth) override;
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| 
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| private:
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| 	void moveSide(bool left, float64 x);
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| 	void moveCenter(
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| 		bool isDirectionToLeft,
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| 		float64 x,
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| 		float64 diffBetweenStartAndLeft);
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| 
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| 	void fire() const;
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| 
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| 	enum class DragArea {
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| 		None,
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| 		Middle,
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| 		Left,
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| 		Right,
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| 	};
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| 	DragArea _dragArea = DragArea::None;
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| 	float64 _diffBetweenStartAndSide = 0;
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| 	Ui::Animations::Simple _moveCenterAnimation;
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| 	bool _draggedAfterPress = false;
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| 
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| 	const QPen _sidePen;
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| 
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| 	float64 _width = 0.;
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| 	float64 _widthBetweenSides = 0.;
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| 
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| 	PaintCallback _paintChartCallback;
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| 
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| 	QImage _frame;
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| 	QImage _mask;
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| 
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| 	Limits _leftSide;
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| 	Limits _rightSide;
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| 
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| 	rpl::event_stream<Limits> _xPercentageLimitsChange;
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| 
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| };
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| 
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| ChartWidget::Footer::Footer(not_null<Ui::RpWidget*> parent)
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| : RpMouseWidget(parent)
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| , _sidePen(
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| 	st::premiumButtonFg,
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| 	st::statisticsChartLineWidth,
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| 	Qt::SolidLine,
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| 	Qt::RoundCap) {
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| 	sizeValue(
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| 	) | rpl::take(2) | rpl::start_with_next([=](const QSize &s) {
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| 		const auto current = xPercentageLimits();
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| 		if (current.min == current.max) {
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| 			setXPercentageLimits({ 0., 1. });
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| 		}
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| 	}, lifetime());
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| 
 | |
| 	mouseStateChanged(
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| 	) | rpl::start_with_next([=](const RpMouseWidget::State &state) {
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| 		if (_moveCenterAnimation.animating()) {
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| 			return;
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| 		}
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| 
 | |
| 		const auto posX = state.point.x();
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| 		const auto isLeftSide = (posX >= _leftSide.min)
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| 			&& (posX <= _leftSide.max);
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| 		const auto isRightSide = !isLeftSide
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| 			&& (posX >= _rightSide.min)
 | |
| 			&& (posX <= _rightSide.max);
 | |
| 		switch (state.mouseState) {
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| 		case QEvent::MouseMove: {
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| 			_draggedAfterPress = true;
 | |
| 			if (_dragArea == DragArea::None) {
 | |
| 				return;
 | |
| 			}
 | |
| 			const auto resultX = posX - _diffBetweenStartAndSide;
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| 			if (_dragArea == DragArea::Right) {
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| 				moveSide(false, resultX);
 | |
| 			} else if (_dragArea == DragArea::Left) {
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| 				moveSide(true, resultX);
 | |
| 			} else if (_dragArea == DragArea::Middle) {
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| 				const auto toLeft = (posX
 | |
| 					- _diffBetweenStartAndSide
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| 					- _leftSide.min) <= 0;
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| 				moveCenter(toLeft, posX, _diffBetweenStartAndSide);
 | |
| 			}
 | |
| 			fire();
 | |
| 		} break;
 | |
| 		case QEvent::MouseButtonPress: {
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| 			_draggedAfterPress = false;
 | |
| 			_dragArea = isLeftSide
 | |
| 				? DragArea::Left
 | |
| 				: isRightSide
 | |
| 				? DragArea::Right
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| 				: ((posX < _leftSide.min) || (posX > _rightSide.max))
 | |
| 				? DragArea::None
 | |
| 				: DragArea::Middle;
 | |
| 			_diffBetweenStartAndSide = isRightSide
 | |
| 				? (start().x() - _rightSide.min)
 | |
| 				: (start().x() - _leftSide.min);
 | |
| 		} break;
 | |
| 		case QEvent::MouseButtonRelease: {
 | |
| 			const auto finish = [=] {
 | |
| 				_dragArea = DragArea::None;
 | |
| 				fire();
 | |
| 			};
 | |
| 			if ((_dragArea == DragArea::None) && !_draggedAfterPress) {
 | |
| 				const auto startX = _leftSide.min
 | |
| 					+ (_rightSide.max - _leftSide.min) / 2;
 | |
| 				const auto finishX = posX;
 | |
| 				const auto toLeft = (finishX <= startX);
 | |
| 				const auto diffBetweenStartAndLeft = startX - _leftSide.min;
 | |
| 				_moveCenterAnimation.stop();
 | |
| 				_moveCenterAnimation.start([=](float64 value) {
 | |
| 					moveCenter(toLeft, value, diffBetweenStartAndLeft);
 | |
| 					fire();
 | |
| 					update();
 | |
| 					if (value == finishX) {
 | |
| 						finish();
 | |
| 					}
 | |
| 				},
 | |
| 				startX,
 | |
| 				finishX,
 | |
| 				st::slideWrapDuration,
 | |
| 				anim::sineInOut);
 | |
| 			} else {
 | |
| 				finish();
 | |
| 			}
 | |
| 		} break;
 | |
| 		}
 | |
| 		update();
 | |
| 	}, lifetime());
 | |
| }
 | |
| 
 | |
| int ChartWidget::Footer::resizeGetHeight(int newWidth) {
 | |
| 	const auto h = st::statisticsChartFooterHeight;
 | |
| 	if (!newWidth) {
 | |
| 		return h;
 | |
| 	}
 | |
| 	const auto was = xPercentageLimits();
 | |
| 	const auto w = float64(st::statisticsChartFooterSideWidth);
 | |
| 	_width = newWidth - w;
 | |
| 	_widthBetweenSides = newWidth - w * 2.;
 | |
| 	_mask = Ui::RippleAnimation::RoundRectMask(
 | |
| 		QSize(newWidth, h - st::lineWidth * 2),
 | |
| 		st::boxRadius);
 | |
| 	_frame = _mask;
 | |
| 	if (_widthBetweenSides && was.max) {
 | |
| 		setXPercentageLimits(was);
 | |
| 	}
 | |
| 	return h;
 | |
| }
 | |
| 
 | |
| Limits ChartWidget::Footer::xPercentageLimits() const {
 | |
| 	return {
 | |
| 		.min = _widthBetweenSides ? _leftSide.min / _widthBetweenSides : 0.,
 | |
| 		.max = _widthBetweenSides
 | |
| 			? (_rightSide.min - st::statisticsChartFooterSideWidth)
 | |
| 				/ _widthBetweenSides
 | |
| 			: 0.,
 | |
| 	};
 | |
| }
 | |
| 
 | |
| void ChartWidget::Footer::fire() const {
 | |
| 	_xPercentageLimitsChange.fire(xPercentageLimits());
 | |
| }
 | |
| 
 | |
| void ChartWidget::Footer::moveCenter(
 | |
| 		bool isDirectionToLeft,
 | |
| 		float64 x,
 | |
| 		float64 diffBetweenStartAndLeft) {
 | |
| 	const auto resultX = x - diffBetweenStartAndLeft;
 | |
| 	const auto diffBetweenSides = std::max(
 | |
| 		_rightSide.min - _leftSide.min,
 | |
| 		float64(st::statisticsChartFooterBetweenSide));
 | |
| 	if (isDirectionToLeft) {
 | |
| 		moveSide(true, resultX);
 | |
| 		moveSide(false, _leftSide.min + diffBetweenSides);
 | |
| 	} else {
 | |
| 		moveSide(false, resultX + diffBetweenSides);
 | |
| 		moveSide(true, _rightSide.min - diffBetweenSides);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void ChartWidget::Footer::moveSide(bool left, float64 x) {
 | |
| 	const auto w = float64(st::statisticsChartFooterSideWidth);
 | |
| 	const auto mid = float64(st::statisticsChartFooterBetweenSide);
 | |
| 	if (_width < (2 * w + mid)) {
 | |
| 		return;
 | |
| 	} else if (left) {
 | |
| 		const auto rightLimit = _rightSide.min - w - mid;
 | |
| 		const auto min = std::clamp(
 | |
| 			x,
 | |
| 			0.,
 | |
| 			(rightLimit <= 0) ? _widthBetweenSides : rightLimit);
 | |
| 		_leftSide = Limits{ .min = min, .max = min + w };
 | |
| 	} else if (!left) {
 | |
| 		const auto min = std::clamp(x, _leftSide.max + mid, _width);
 | |
| 		_rightSide = Limits{ .min = min, .max = min + w };
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void ChartWidget::Footer::setPaintChartCallback(
 | |
| 		PaintCallback paintChartCallback) {
 | |
| 	_paintChartCallback = std::move(paintChartCallback);
 | |
| }
 | |
| 
 | |
| void ChartWidget::Footer::paintEvent(QPaintEvent *e) {
 | |
| 	auto p = QPainter(this);
 | |
| 
 | |
| 	auto hq = PainterHighQualityEnabler(p);
 | |
| 
 | |
| 	const auto lineWidth = st::lineWidth;
 | |
| 	const auto innerMargins = QMargins{ 0, lineWidth, 0, lineWidth };
 | |
| 	const auto r = rect();
 | |
| 	const auto innerRect = r - innerMargins;
 | |
| 	const auto &inactiveColor = st::statisticsChartInactive;
 | |
| 
 | |
| 	_frame.fill(Qt::transparent);
 | |
| 	if (_paintChartCallback) {
 | |
| 		auto q = QPainter(&_frame);
 | |
| 
 | |
| 		{
 | |
| 			const auto opacity = q.opacity();
 | |
| 			_paintChartCallback(q, Rect(innerRect.size()));
 | |
| 			q.setOpacity(opacity);
 | |
| 		}
 | |
| 
 | |
| 		q.setCompositionMode(QPainter::CompositionMode_DestinationIn);
 | |
| 		q.drawImage(0, 0, _mask);
 | |
| 	}
 | |
| 
 | |
| 	p.drawImage(0, lineWidth, _frame);
 | |
| 
 | |
| 	auto inactivePath = QPainterPath();
 | |
| 	inactivePath.addRoundedRect(
 | |
| 		innerRect,
 | |
| 		st::statisticsChartFooterSideRadius,
 | |
| 		st::statisticsChartFooterSideRadius);
 | |
| 
 | |
| 	auto sidesPath = QPainterPath();
 | |
| 	sidesPath.addRoundedRect(
 | |
| 		_leftSide.min,
 | |
| 		0,
 | |
| 		_rightSide.max - _leftSide.min,
 | |
| 		r.height(),
 | |
| 		st::statisticsChartFooterSideRadius,
 | |
| 		st::statisticsChartFooterSideRadius);
 | |
| 	inactivePath = inactivePath.subtracted(sidesPath);
 | |
| 	sidesPath.addRect(
 | |
| 		_leftSide.max,
 | |
| 		lineWidth,
 | |
| 		_rightSide.min - _leftSide.max,
 | |
| 		r.height() - lineWidth * 2);
 | |
| 
 | |
| 	p.setBrush(st::statisticsChartActive);
 | |
| 	p.setPen(Qt::NoPen);
 | |
| 	p.drawPath(sidesPath);
 | |
| 	p.setBrush(inactiveColor);
 | |
| 	p.drawPath(inactivePath);
 | |
| 
 | |
| 	{
 | |
| 		p.setPen(_sidePen);
 | |
| 		const auto halfWidth = st::statisticsChartLineWidth / 2.;
 | |
| 		const auto left = _leftSide.min
 | |
| 			+ (_leftSide.max - _leftSide.min) / 2.
 | |
| 			+ halfWidth;
 | |
| 		const auto right = _rightSide.min
 | |
| 			+ (_rightSide.max - _rightSide.min) / 2.;
 | |
| 		const auto halfHeight = st::statisticsChartFooterArrowHeight / 2.
 | |
| 			- halfWidth;
 | |
| 		const auto center = r.height() / 2.;
 | |
| 		const auto top = center - halfHeight;
 | |
| 		const auto bottom = center + halfHeight;
 | |
| 		p.drawLine(left, top, left, bottom);
 | |
| 		p.drawLine(right, top, right, bottom);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void ChartWidget::Footer::setXPercentageLimits(const Limits &xLimits) {
 | |
| 	const auto left = xLimits.min * _widthBetweenSides;
 | |
| 	const auto right = xLimits.max * _widthBetweenSides
 | |
| 		+ st::statisticsChartFooterSideWidth;
 | |
| 	moveSide(true, left);
 | |
| 	moveSide(false, right);
 | |
| 	fire();
 | |
| 	update();
 | |
| }
 | |
| 
 | |
| rpl::producer<Limits> ChartWidget::Footer::xPercentageLimitsChange() const {
 | |
| 	return _xPercentageLimitsChange.events();
 | |
| }
 | |
| 
 | |
| ChartWidget::ChartAnimationController::ChartAnimationController(
 | |
| 	Fn<void()> &&updateCallback)
 | |
| : _animation(std::move(updateCallback)) {
 | |
| }
 | |
| 
 | |
| void ChartWidget::ChartAnimationController::setXPercentageLimits(
 | |
| 		Data::StatisticalChart &chartData,
 | |
| 		Limits xPercentageLimits,
 | |
| 		const std::unique_ptr<AbstractChartView> &chartView,
 | |
| 		const std::shared_ptr<LinesFilterController> &linesFilter,
 | |
| 		crl::time now) {
 | |
| 	if ((_animationValueXMin.to() == xPercentageLimits.min)
 | |
| 		&& (_animationValueXMax.to() == xPercentageLimits.max)
 | |
| 		&& linesFilter->isFinished()) {
 | |
| 		return;
 | |
| 	}
 | |
| 	start();
 | |
| 	_animationValueXMin.start(xPercentageLimits.min);
 | |
| 	_animationValueXMax.start(xPercentageLimits.max);
 | |
| 	_lastUserInteracted = now;
 | |
| 
 | |
| 	const auto startXIndex = chartData.findStartIndex(
 | |
| 		_animationValueXMin.to());
 | |
| 	const auto endXIndex = chartData.findEndIndex(
 | |
| 		startXIndex,
 | |
| 		_animationValueXMax.to());
 | |
| 	_currentXIndices = { float64(startXIndex), float64(endXIndex) };
 | |
| 
 | |
| 	{
 | |
| 		const auto heightLimits = chartView->heightLimits(
 | |
| 			chartData,
 | |
| 			_currentXIndices);
 | |
| 		if (heightLimits.ranged.min == heightLimits.ranged.max) {
 | |
| 			return;
 | |
| 		}
 | |
| 		_previousFullHeightLimits = _finalHeightLimits;
 | |
| 		_finalHeightLimits = heightLimits.ranged;
 | |
| 		if (!_previousFullHeightLimits.max) {
 | |
| 			_previousFullHeightLimits = _finalHeightLimits;
 | |
| 		}
 | |
| 		if (!linesFilter->isFinished()) {
 | |
| 			_animationValueFooterHeightMin = anim::value(
 | |
| 				_animationValueFooterHeightMin.current(),
 | |
| 				heightLimits.full.min);
 | |
| 			_animationValueFooterHeightMax = anim::value(
 | |
| 				_animationValueFooterHeightMax.current(),
 | |
| 				heightLimits.full.max);
 | |
| 		} else if (!_animationValueFooterHeightMax.to()) {
 | |
| 			// Will be finished in setChartData.
 | |
| 			_animationValueFooterHeightMin = anim::value(
 | |
| 				0,
 | |
| 				heightLimits.full.min);
 | |
| 			_animationValueFooterHeightMax = anim::value(
 | |
| 				0,
 | |
| 				heightLimits.full.max);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	_animationValueHeightMin = anim::value(
 | |
| 		_animationValueHeightMin.current(),
 | |
| 		_finalHeightLimits.min);
 | |
| 	_animationValueHeightMax = anim::value(
 | |
| 		_animationValueHeightMax.current(),
 | |
| 		_finalHeightLimits.max);
 | |
| 
 | |
| 	{
 | |
| 		const auto previousDelta = _previousFullHeightLimits.max
 | |
| 			- _previousFullHeightLimits.min;
 | |
| 		auto k = previousDelta
 | |
| 			/ float64(_finalHeightLimits.max - _finalHeightLimits.min);
 | |
| 		if (k > 1.) {
 | |
| 			k = 1. / k;
 | |
| 		}
 | |
| 		constexpr auto kDtHeightSpeed1 = 0.03 * 2;
 | |
| 		constexpr auto kDtHeightSpeed2 = 0.03 * 2;
 | |
| 		constexpr auto kDtHeightSpeed3 = 0.045 * 2;
 | |
| 		constexpr auto kDtHeightSpeedFilter = kDtHeightSpeed1 / 1.2;
 | |
| 		constexpr auto kDtHeightSpeedThreshold1 = 0.7;
 | |
| 		constexpr auto kDtHeightSpeedThreshold2 = 0.1;
 | |
| 		constexpr auto kDtHeightInstantThreshold = 0.97;
 | |
| 		if (k < 1.) {
 | |
| 			auto &alpha = _animationValueHeightAlpha;
 | |
| 			alpha = anim::value(
 | |
| 				(alpha.current() == alpha.to()) ? 0. : alpha.current(),
 | |
| 				1.);
 | |
| 			_dtHeight.currentAlpha = 0.;
 | |
| 			_addRulerRequests.fire({});
 | |
| 		}
 | |
| 		_dtHeight.speed = (!linesFilter->isFinished())
 | |
| 			? kDtHeightSpeedFilter
 | |
| 			: (k > kDtHeightSpeedThreshold1)
 | |
| 			? kDtHeightSpeed1
 | |
| 			: (k < kDtHeightSpeedThreshold2)
 | |
| 			? kDtHeightSpeed2
 | |
| 			: kDtHeightSpeed3;
 | |
| 		if (k < kDtHeightInstantThreshold) {
 | |
| 			_dtHeight.current = { 0., 0. };
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| auto ChartWidget::ChartAnimationController::addRulerRequests() const
 | |
| -> rpl::producer<> {
 | |
| 	return _addRulerRequests.events();
 | |
| }
 | |
| 
 | |
| void ChartWidget::ChartAnimationController::start() {
 | |
| 	if (!_animation.animating()) {
 | |
| 		_animation.start();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void ChartWidget::ChartAnimationController::finish() {
 | |
| 	_animation.stop();
 | |
| 	_animationValueXMin.finish();
 | |
| 	_animationValueXMax.finish();
 | |
| 	_animationValueHeightMin.finish();
 | |
| 	_animationValueHeightMax.finish();
 | |
| 	_animationValueFooterHeightMin.finish();
 | |
| 	_animationValueFooterHeightMax.finish();
 | |
| 	_animationValueHeightAlpha.finish();
 | |
| 	_benchmark = {};
 | |
| }
 | |
| 
 | |
| void ChartWidget::ChartAnimationController::restartBottomLineAlpha() {
 | |
| 	_bottomLineAlphaAnimationStartedAt = crl::now();
 | |
| 	_animValueBottomLineAlpha = anim::value(0., 1.);
 | |
| 	start();
 | |
| }
 | |
| 
 | |
| void ChartWidget::ChartAnimationController::tick(
 | |
| 		crl::time now,
 | |
| 		ChartRulersView &rulersView,
 | |
| 		std::vector<BottomCaptionLineData> &dateLines,
 | |
| 		const std::unique_ptr<AbstractChartView> &chartView,
 | |
| 		const std::shared_ptr<LinesFilterController> &linesFilter) {
 | |
| 	if (!_animation.animating()) {
 | |
| 		return;
 | |
| 	}
 | |
| 	constexpr auto kXExpandingDuration = 200.;
 | |
| 	constexpr auto kAlphaExpandingDuration = 200.;
 | |
| 
 | |
| 	{
 | |
| 		constexpr auto kIdealFPS = float64(60);
 | |
| 		const auto currentFPS = _benchmark.lastTickedAt
 | |
| 			? (1000. / (now - _benchmark.lastTickedAt))
 | |
| 			: kIdealFPS;
 | |
| 		if (!_benchmark.lastFPSSlow) {
 | |
| 			constexpr auto kAcceptableFPS = int(30);
 | |
| 			_benchmark.lastFPSSlow = (currentFPS < kAcceptableFPS);
 | |
| 		}
 | |
| 		_benchmark.lastTickedAt = now;
 | |
| 
 | |
| 
 | |
| 		const auto k = (kIdealFPS / currentFPS)
 | |
| 			// Speed up to reduce ugly frames count.
 | |
| 			* (_benchmark.lastFPSSlow ? 2. : 1.);
 | |
| 		const auto speed = _dtHeight.speed * k;
 | |
| 		linesFilter->tick(speed);
 | |
| 		_dtHeight.current.min = std::min(_dtHeight.current.min + speed, 1.);
 | |
| 		_dtHeight.current.max = std::min(_dtHeight.current.max + speed, 1.);
 | |
| 		_dtHeight.currentAlpha = std::min(_dtHeight.currentAlpha + speed, 1.);
 | |
| 	}
 | |
| 
 | |
| 	const auto dtX = std::min(
 | |
| 		(now - _animation.started()) / kXExpandingDuration,
 | |
| 		1.);
 | |
| 	const auto dtBottomLineAlpha = std::min(
 | |
| 		(now - _bottomLineAlphaAnimationStartedAt) / kAlphaExpandingDuration,
 | |
| 		1.);
 | |
| 
 | |
| 	const auto isFinished = [](const anim::value &anim) {
 | |
| 		return anim.current() == anim.to();
 | |
| 	};
 | |
| 
 | |
| 	const auto xFinished = isFinished(_animationValueXMin)
 | |
| 		&& isFinished(_animationValueXMax);
 | |
| 	const auto yFinished = isFinished(_animationValueHeightMin)
 | |
| 		&& isFinished(_animationValueHeightMax);
 | |
| 	const auto alphaFinished = isFinished(_animationValueHeightAlpha)
 | |
| 		&& isFinished(_animationValueHeightMax);
 | |
| 	const auto bottomLineAlphaFinished = isFinished(
 | |
| 		_animValueBottomLineAlpha);
 | |
| 
 | |
| 	const auto footerMinFinished = isFinished(_animationValueFooterHeightMin);
 | |
| 	const auto footerMaxFinished = isFinished(_animationValueFooterHeightMax);
 | |
| 
 | |
| 	if (xFinished
 | |
| 			&& yFinished
 | |
| 			&& alphaFinished
 | |
| 			&& bottomLineAlphaFinished
 | |
| 			&& footerMinFinished
 | |
| 			&& footerMaxFinished
 | |
| 			&& linesFilter->isFinished()) {
 | |
| 		if ((_finalHeightLimits.min == _animationValueHeightMin.to())
 | |
| 			&& _finalHeightLimits.max == _animationValueHeightMax.to()) {
 | |
| 			_animation.stop();
 | |
| 			_benchmark = {};
 | |
| 		}
 | |
| 	}
 | |
| 	if (xFinished) {
 | |
| 		_animationValueXMin.finish();
 | |
| 		_animationValueXMax.finish();
 | |
| 	} else {
 | |
| 		_animationValueXMin.update(dtX, anim::linear);
 | |
| 		_animationValueXMax.update(dtX, anim::linear);
 | |
| 	}
 | |
| 	if (bottomLineAlphaFinished) {
 | |
| 		_animValueBottomLineAlpha.finish();
 | |
| 		_bottomLineAlphaAnimationStartedAt = 0;
 | |
| 	} else {
 | |
| 		_animValueBottomLineAlpha.update(
 | |
| 			dtBottomLineAlpha,
 | |
| 			anim::easeInCubic);
 | |
| 	}
 | |
| 	if (!yFinished) {
 | |
| 		_animationValueHeightMin.update(
 | |
| 			_dtHeight.current.min,
 | |
| 			anim::easeInCubic);
 | |
| 		_animationValueHeightMax.update(
 | |
| 			_dtHeight.current.max,
 | |
| 			anim::easeInCubic);
 | |
| 
 | |
| 		rulersView.computeRelative(
 | |
| 			_animationValueHeightMax.current(),
 | |
| 			_animationValueHeightMin.current());
 | |
| 	}
 | |
| 	if (!footerMinFinished) {
 | |
| 		_animationValueFooterHeightMin.update(
 | |
| 			_dtHeight.current.min,
 | |
| 			anim::easeInCubic);
 | |
| 	}
 | |
| 	if (!footerMaxFinished) {
 | |
| 		_animationValueFooterHeightMax.update(
 | |
| 			_dtHeight.current.max,
 | |
| 			anim::easeInCubic);
 | |
| 	}
 | |
| 
 | |
| 	if (!alphaFinished) {
 | |
| 		_animationValueHeightAlpha.update(
 | |
| 			_dtHeight.currentAlpha,
 | |
| 			anim::easeInCubic);
 | |
| 		rulersView.setAlpha(_animationValueHeightAlpha.current());
 | |
| 	}
 | |
| 
 | |
| 	if (!bottomLineAlphaFinished) {
 | |
| 		const auto value = _animValueBottomLineAlpha.current();
 | |
| 		for (auto &date : dateLines) {
 | |
| 			date.alpha = (1. - value) * date.fixedAlpha;
 | |
| 		}
 | |
| 		dateLines.back().alpha = value;
 | |
| 	} else {
 | |
| 		if (dateLines.size() > 1) {
 | |
| 			const auto data = dateLines.back();
 | |
| 			dateLines.clear();
 | |
| 			dateLines.push_back(data);
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| Limits ChartWidget::ChartAnimationController::currentXLimits() const {
 | |
| 	return { _animationValueXMin.current(), _animationValueXMax.current() };
 | |
| }
 | |
| 
 | |
| Limits ChartWidget::ChartAnimationController::currentXIndices() const {
 | |
| 	return _currentXIndices;
 | |
| }
 | |
| 
 | |
| Limits ChartWidget::ChartAnimationController::finalXLimits() const {
 | |
| 	return { _animationValueXMin.to(), _animationValueXMax.to() };
 | |
| }
 | |
| 
 | |
| Limits ChartWidget::ChartAnimationController::currentHeightLimits() const {
 | |
| 	return {
 | |
| 		_animationValueHeightMin.current(),
 | |
| 		_animationValueHeightMax.current(),
 | |
| 	};
 | |
| }
 | |
| 
 | |
| auto ChartWidget::ChartAnimationController::currentFooterHeightLimits() const
 | |
| -> Limits {
 | |
| 	return {
 | |
| 		_animationValueFooterHeightMin.current(),
 | |
| 		_animationValueFooterHeightMax.current(),
 | |
| 	};
 | |
| }
 | |
| 
 | |
| Limits ChartWidget::ChartAnimationController::finalHeightLimits() const {
 | |
| 	return _finalHeightLimits;
 | |
| }
 | |
| 
 | |
| bool ChartWidget::ChartAnimationController::animating() const {
 | |
| 	return _animation.animating();
 | |
| }
 | |
| 
 | |
| bool ChartWidget::ChartAnimationController::footerAnimating() const {
 | |
| 	return (_animationValueFooterHeightMin.current()
 | |
| 			!= _animationValueFooterHeightMin.to())
 | |
| 		|| (_animationValueFooterHeightMax.current()
 | |
| 			!= _animationValueFooterHeightMax.to());
 | |
| }
 | |
| 
 | |
| ChartWidget::ChartWidget(not_null<Ui::RpWidget*> parent)
 | |
| : Ui::RpWidget(parent)
 | |
| , _chartArea(base::make_unique_q<RpMouseWidget>(this))
 | |
| , _header(std::make_unique<Header>(this))
 | |
| , _footer(std::make_unique<Footer>(this))
 | |
| , _linesFilterController(std::make_shared<LinesFilterController>())
 | |
| , _animationController([=] {
 | |
| 	_chartArea->update();
 | |
| 	if (_animationController.footerAnimating()
 | |
| 		|| !_linesFilterController->isFinished()) {
 | |
| 		_footer->update();
 | |
| 	}
 | |
| }) {
 | |
| 	style::PaletteChanged(
 | |
| 	) | rpl::start_with_next([=] {
 | |
| 		if (_chartData) {
 | |
| 			FillLineColorsByKey(_chartData);
 | |
| 		}
 | |
| 	}, lifetime());
 | |
| 	setupChartArea();
 | |
| 	// We have to create the footer,
 | |
| 	// even if it has to be hidden, otherwise it breaks some things.
 | |
| 	setupFooter();
 | |
| }
 | |
| 
 | |
| int ChartWidget::resizeGetHeight(int newWidth) {
 | |
| 	if (_filterButtons) {
 | |
| 		_filterButtons->resizeToWidth(newWidth);
 | |
| 	}
 | |
| 	const auto filtersTopSkip = st::statisticsFilterButtonsPadding.top();
 | |
| 	const auto filtersHeight = _filterButtons
 | |
| 		? (_filterButtons->height()
 | |
| 			+ st::statisticsFilterButtonsPadding.bottom())
 | |
| 		: 0;
 | |
| 	const auto &headerPadding = st::statisticsChartHeaderPadding;
 | |
| 	{
 | |
| 		_header->moveToLeft(headerPadding.left(), headerPadding.top());
 | |
| 		_header->resizeToWidth(newWidth - rect::m::sum::h(headerPadding));
 | |
| 	}
 | |
| 	const auto headerArea = rect::m::sum::v(headerPadding)
 | |
| 		+ _header->height();
 | |
| 	const auto footerArea = (!_footer->isHidden())
 | |
| 		? (st::statisticsChartFooterHeight + st::statisticsChartFooterSkip)
 | |
| 		: 0;
 | |
| 	const auto resultHeight = headerArea
 | |
| 		+ st::statisticsChartHeight
 | |
| 		+ footerArea
 | |
| 		+ filtersTopSkip
 | |
| 		+ filtersHeight;
 | |
| 	{
 | |
| 		if (footerArea) {
 | |
| 			_footer->resizeToWidth(newWidth);
 | |
| 			_footer->moveToLeft(
 | |
| 				0,
 | |
| 				resultHeight
 | |
| 					- st::statisticsChartFooterHeight
 | |
| 					- filtersTopSkip
 | |
| 					- filtersHeight);
 | |
| 		}
 | |
| 		if (_filterButtons) {
 | |
| 			_filterButtons->moveToLeft(0, resultHeight - filtersHeight);
 | |
| 		}
 | |
| 		_chartArea->setGeometry(
 | |
| 			0,
 | |
| 			headerArea,
 | |
| 			newWidth,
 | |
| 			resultHeight
 | |
| 				- headerArea
 | |
| 				- footerArea
 | |
| 				- filtersTopSkip
 | |
| 				- filtersHeight);
 | |
| 
 | |
| 		{
 | |
| 			updateChartFullWidth(newWidth);
 | |
| 			updateBottomDates();
 | |
| 		}
 | |
| 	}
 | |
| 	return resultHeight;
 | |
| }
 | |
| 
 | |
| void ChartWidget::updateChartFullWidth(int w) {
 | |
| 	const auto finalXLimits = _animationController.finalXLimits();
 | |
| 	_bottomLine.chartFullWidth = (finalXLimits.max == finalXLimits.min)
 | |
| 		? 0
 | |
| 		: (w / (finalXLimits.max - finalXLimits.min));
 | |
| }
 | |
| 
 | |
| QRect ChartWidget::chartAreaRect() const {
 | |
| 	return _chartArea->rect()
 | |
| 		- QMargins(
 | |
| 			st::lineWidth,
 | |
| 			st::boxTextFont->height,
 | |
| 			st::lineWidth,
 | |
| 			st::lineWidth
 | |
| 				+ st::statisticsChartBottomCaptionHeight
 | |
| 				+ st::statisticsChartBottomCaptionSkip);
 | |
| }
 | |
| 
 | |
| void ChartWidget::setupChartArea() {
 | |
| 	_chartArea->paintRequest(
 | |
| 	) | rpl::start_with_next([=](const QRect &r) {
 | |
| 		auto p = QPainter(_chartArea.get());
 | |
| 
 | |
| 		const auto now = crl::now();
 | |
| 
 | |
| 		_animationController.tick(
 | |
| 			now,
 | |
| 			_rulersView,
 | |
| 			_bottomLine.dates,
 | |
| 			_chartView,
 | |
| 			_linesFilterController);
 | |
| 
 | |
| 		const auto chartRect = chartAreaRect();
 | |
| 
 | |
| 		p.fillRect(r, st::boxBg);
 | |
| 
 | |
| 		if (!_chartData) {
 | |
| 			return;
 | |
| 		}
 | |
| 
 | |
| 		if (!_areRulersAbove) {
 | |
| 			_rulersView.paintRulers(p, chartRect);
 | |
| 		}
 | |
| 
 | |
| 		const auto context = PaintContext{
 | |
| 			_chartData,
 | |
| 			_animationController.currentXIndices(),
 | |
| 			_animationController.currentXLimits(),
 | |
| 			_animationController.currentHeightLimits(),
 | |
| 			chartRect,
 | |
| 			false,
 | |
| 		};
 | |
| 
 | |
| 		{
 | |
| 			PainterHighQualityEnabler hp(p);
 | |
| 			_chartView->paint(p, context);
 | |
| 		}
 | |
| 
 | |
| 		if (!_areRulersAbove) {
 | |
| 			_rulersView.paintCaptionsToRulers(p, chartRect);
 | |
| 		}
 | |
| 		{
 | |
| 			[[maybe_unused]] const auto o = ScopedPainterOpacity(
 | |
| 				p,
 | |
| 				p.opacity() * kRulerLineAlpha);
 | |
| 			const auto bottom = r
 | |
| 				- QMargins{ 0, rect::bottom(chartRect), 0, 0 };
 | |
| 			p.fillRect(bottom, st::boxBg);
 | |
| 			p.fillRect(
 | |
| 				QRect(bottom.x(), bottom.y(), bottom.width(), st::lineWidth),
 | |
| 				st::boxTextFg);
 | |
| 		}
 | |
| 		if (_details.widget) {
 | |
| 			const auto detailsAlpha = _details.widget->alpha();
 | |
| 
 | |
| 			for (const auto &line : _chartData.lines) {
 | |
| 				_details.widget->setLineAlpha(
 | |
| 					line.id,
 | |
| 					_linesFilterController->alpha(line.id));
 | |
| 			}
 | |
| 			_chartView->paintSelectedXIndex(
 | |
| 				p,
 | |
| 				context,
 | |
| 				_details.widget->xIndex(),
 | |
| 				detailsAlpha);
 | |
| 		}
 | |
| 		if (_areRulersAbove) {
 | |
| 			_rulersView.paintRulers(p, chartRect);
 | |
| 			_rulersView.paintCaptionsToRulers(p, chartRect);
 | |
| 		}
 | |
| 
 | |
| 		p.setPen(st::windowSubTextFg);
 | |
| 		PaintBottomLine(
 | |
| 			p,
 | |
| 			_bottomLine.dates,
 | |
| 			_chartData,
 | |
| 			_animationController.finalXLimits(),
 | |
| 			_bottomLine.chartFullWidth,
 | |
| 			_chartArea->width(),
 | |
| 			rect::bottom(chartRect) + st::statisticsChartBottomCaptionSkip,
 | |
| 			_bottomLine.captionIndicesOffset);
 | |
| 	}, _footer->lifetime());
 | |
| }
 | |
| 
 | |
| void ChartWidget::updateBottomDates() {
 | |
| 	if (!_chartData || !_bottomLine.chartFullWidth) {
 | |
| 		return;
 | |
| 	}
 | |
| 	const auto d = _bottomLine.chartFullWidth * _chartData.oneDayPercentage;
 | |
| 	const auto k = _chartArea->width() / d;
 | |
| 	const auto stepRaw = int(k / 6);
 | |
| 
 | |
| 	const auto by = int(_chartArea->width() / float64(_chartData.x.size()));
 | |
| 	_bottomLine.captionIndicesOffset = 0
 | |
| 		+ st::statisticsChartBottomCaptionMaxWidth / std::max(by, 1);
 | |
| 
 | |
| 	const auto isCurrentNull = (_bottomLine.current.stepMinFast == 0);
 | |
| 	if (!isCurrentNull
 | |
| 		&& (stepRaw < _bottomLine.current.stepMax)
 | |
| 		&& (stepRaw > _bottomLine.current.stepMin)) {
 | |
| 		return;
 | |
| 	}
 | |
| 	const auto highestOneBit = [](unsigned int v) {
 | |
| 		if (!v) {
 | |
| 			return 0;
 | |
| 		}
 | |
| 		auto r = unsigned(1);
 | |
| 
 | |
| 		while (v >>= 1) {
 | |
| 			r *= 2;
 | |
| 		}
 | |
| 		return int(r);
 | |
| 	};
 | |
| 	const auto step = highestOneBit(stepRaw) << 1;
 | |
| 	if (!isCurrentNull && (_bottomLine.current.step == step)) {
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	constexpr auto kStepRatio = 0.1;
 | |
| 	constexpr auto kFastStepOffset = 4;
 | |
| 	const auto stepMax = int(step + step * kStepRatio);
 | |
| 	const auto stepMin = int(step - step * kStepRatio);
 | |
| 	const auto stepMinFast = stepMin - kFastStepOffset;
 | |
| 
 | |
| 	auto data = BottomCaptionLineData{
 | |
| 		.step = step,
 | |
| 		.stepMax = stepMax,
 | |
| 		.stepMin = stepMin,
 | |
| 		.stepMinFast = stepMinFast,
 | |
| 		.stepRaw = stepRaw,
 | |
| 		.alpha = 1.,
 | |
| 	};
 | |
| 
 | |
| 	if (isCurrentNull) {
 | |
| 		_bottomLine.current = data;
 | |
| 		_bottomLine.dates.push_back(data);
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	_bottomLine.current = data;
 | |
| 
 | |
| 	for (auto &date : _bottomLine.dates) {
 | |
| 		date.fixedAlpha = date.alpha;
 | |
| 	}
 | |
| 
 | |
| 	_bottomLine.dates.push_back(data);
 | |
| 	if (_bottomLine.dates.size() > 2) {
 | |
| 		_bottomLine.dates.erase(begin(_bottomLine.dates));
 | |
| 	}
 | |
| 
 | |
| 	_animationController.restartBottomLineAlpha();
 | |
| }
 | |
| 
 | |
| void ChartWidget::updateHeader() {
 | |
| 	if (!_chartData) {
 | |
| 		return;
 | |
| 	}
 | |
| 	const auto i = _animationController.currentXIndices();
 | |
| 	_header->setSubTitle(HeaderSubTitle(_chartData, i.min, i.max));
 | |
| 	_header->update();
 | |
| }
 | |
| 
 | |
| void ChartWidget::setupFooter() {
 | |
| 	_footer->setPaintChartCallback([=, fullXLimits = Limits{ 0., 1. }](
 | |
| 			QPainter &p,
 | |
| 			const QRect &r) {
 | |
| 		if (_chartData) {
 | |
| 			p.fillRect(r, st::boxBg);
 | |
| 
 | |
| 			auto hp = PainterHighQualityEnabler(p);
 | |
| 			_chartView->paint(
 | |
| 				p,
 | |
| 				PaintContext{
 | |
| 					_chartData,
 | |
| 					{ 0., float64(_chartData.x.size() - 1) },
 | |
| 					fullXLimits,
 | |
| 					_animationController.currentFooterHeightLimits(),
 | |
| 					r,
 | |
| 					true,
 | |
| 				});
 | |
| 		}
 | |
| 	});
 | |
| 
 | |
| 	_animationController.addRulerRequests(
 | |
| 	) | rpl::start_with_next([=] {
 | |
| 		_rulersView.add(
 | |
| 			_animationController.finalHeightLimits(),
 | |
| 			true);
 | |
| 		_animationController.start();
 | |
| 	}, _footer->lifetime());
 | |
| 
 | |
| 	_footer->xPercentageLimitsChange(
 | |
| 	) | rpl::start_with_next([=](Limits xPercentageLimits) {
 | |
| 		if (!_chartView) {
 | |
| 			return;
 | |
| 		}
 | |
| 		const auto now = crl::now();
 | |
| 		if (_details.widget
 | |
| 			&& (_details.widget->xIndex() >= 0)
 | |
| 			&& !_details.animation.animating()) {
 | |
| 			_details.hideOnAnimationEnd = true;
 | |
| 			_details.animation.start();
 | |
| 		}
 | |
| 		_animationController.setXPercentageLimits(
 | |
| 			_chartData,
 | |
| 			xPercentageLimits,
 | |
| 			_chartView,
 | |
| 			_linesFilterController,
 | |
| 			now);
 | |
| 		updateChartFullWidth(_chartArea->width());
 | |
| 		updateBottomDates();
 | |
| 		updateHeader();
 | |
| 		if ((now - _lastHeightLimitsChanged) < kHeightLimitsUpdateTimeout) {
 | |
| 			return;
 | |
| 		}
 | |
| 		_lastHeightLimitsChanged = now;
 | |
| 		_rulersView.add(
 | |
| 			_animationController.finalHeightLimits(),
 | |
| 			true);
 | |
| 	}, _footer->lifetime());
 | |
| }
 | |
| 
 | |
| void ChartWidget::setupDetails() {
 | |
| 	if (!_chartData) {
 | |
| 		_details.widget = nullptr;
 | |
| 		_chartArea->update();
 | |
| 		return;
 | |
| 	}
 | |
| 	const auto maxAbsoluteValue = [&] {
 | |
| 		auto maxValue = 0;
 | |
| 		for (const auto &l : _chartData.lines) {
 | |
| 			maxValue = std::max(l.maxValue, maxValue);
 | |
| 		}
 | |
| 		return maxValue;
 | |
| 	}();
 | |
| 	if (hasLocalZoom()) {
 | |
| 		_zoomEnabled = true;
 | |
| 	}
 | |
| 	_details.widget = base::make_unique_q<PointDetailsWidget>(
 | |
| 		this,
 | |
| 		_chartData,
 | |
| 		maxAbsoluteValue,
 | |
| 		_zoomEnabled);
 | |
| 	_details.widget->setClickedCallback([=] {
 | |
| 		const auto index = _details.widget->xIndex();
 | |
| 		if (index < 0) {
 | |
| 			return;
 | |
| 		}
 | |
| 		if (hasLocalZoom()) {
 | |
| 			processLocalZoom(index);
 | |
| 		} else {
 | |
| 			_zoomRequests.fire_copy(_chartData.x[index]);
 | |
| 		}
 | |
| 	});
 | |
| 
 | |
| 	_details.widget->shownValue(
 | |
| 	) | rpl::start_with_next([=](bool shown) {
 | |
| 		if (shown && _details.widget->xIndex() < 0) {
 | |
| 			_details.widget->hide();
 | |
| 		}
 | |
| 	}, _details.widget->lifetime());
 | |
| 
 | |
| 	_chartArea->mouseStateChanged(
 | |
| 	) | rpl::start_with_next([=](const RpMouseWidget::State &state) {
 | |
| 		if (_animationController.animating()) {
 | |
| 			return;
 | |
| 		}
 | |
| 		switch (state.mouseState) {
 | |
| 		case QEvent::MouseButtonPress:
 | |
| 		case QEvent::MouseMove: {
 | |
| 			const auto wasXIndex = _details.widget->xIndex();
 | |
| 			const auto chartRect = chartAreaRect();
 | |
| 			const auto currentXLimits = _animationController.finalXLimits();
 | |
| 			const auto nearestXIndex = _chartView->findXIndexByPosition(
 | |
| 				_chartData,
 | |
| 				currentXLimits,
 | |
| 				chartRect,
 | |
| 				state.point.x());
 | |
| 			if (nearestXIndex < 0) {
 | |
| 				_details.widget->setXIndex(nearestXIndex);
 | |
| 				_details.widget->hide();
 | |
| 				_chartArea->update();
 | |
| 				return;
 | |
| 			}
 | |
| 			const auto currentX = 0
 | |
| 				+ chartRect.width() * InterpolationRatio(
 | |
| 					currentXLimits.min,
 | |
| 					currentXLimits.max,
 | |
| 					_chartData.xPercentage[nearestXIndex]);
 | |
| 			const auto widgetArea = _details.widget->width()
 | |
| 				+ st::statisticsDetailsPopupPadding.left();
 | |
| 			const auto xLeft = currentX - widgetArea;
 | |
| 			const auto x = (xLeft >= 0)
 | |
| 				? xLeft
 | |
| 				: ((currentX + widgetArea - _chartArea->width()) > 0)
 | |
| 				? 0
 | |
| 				: currentX;
 | |
| 			_details.widget->moveToLeft(
 | |
| 				std::clamp(
 | |
| 					int(x),
 | |
| 					_chartArea->x(),
 | |
| 					rect::right(_chartArea) - widgetArea),
 | |
| 				_chartArea->y());
 | |
| 			_details.widget->setXIndex(nearestXIndex);
 | |
| 			if (_details.widget->isHidden()) {
 | |
| 				_details.hideOnAnimationEnd = false;
 | |
| 				_details.animation.start();
 | |
| 			} else if ((state.mouseState == QEvent::MouseButtonPress)
 | |
| 				&& (wasXIndex == nearestXIndex)) {
 | |
| 				_details.hideOnAnimationEnd = true;
 | |
| 				_details.animation.start();
 | |
| 			}
 | |
| 			_details.widget->show();
 | |
| 			_chartArea->update();
 | |
| 		} break;
 | |
| 		case QEvent::MouseButtonRelease: {
 | |
| 		} break;
 | |
| 		}
 | |
| 	}, _details.widget->lifetime());
 | |
| 
 | |
| 	_details.animation.init([=](crl::time now) {
 | |
| 		const auto value = std::clamp(
 | |
| 			(now - _details.animation.started()) / float64(200),
 | |
| 			0.,
 | |
| 			1.);
 | |
| 		const auto alpha = _details.hideOnAnimationEnd ? (1. - value) : value;
 | |
| 		if (_details.widget) {
 | |
| 			_details.widget->setAlpha(alpha);
 | |
| 			_details.widget->update();
 | |
| 		}
 | |
| 		if (value >= 1.) {
 | |
| 			if (_details.hideOnAnimationEnd && _details.widget) {
 | |
| 				_details.widget->hide();
 | |
| 				_details.widget->setXIndex(-1);
 | |
| 			}
 | |
| 			_details.animation.stop();
 | |
| 		}
 | |
| 		_chartArea->update();
 | |
| 	});
 | |
| }
 | |
| 
 | |
| bool ChartWidget::hasLocalZoom() const {
 | |
| 	return _chartData
 | |
| 		&& _chartView->maybeLocalZoom({
 | |
| 			_chartData,
 | |
| 			AbstractChartView::LocalZoomArgs::Type::CheckAvailability,
 | |
| 		}).hasZoom;
 | |
| }
 | |
| 
 | |
| void ChartWidget::processLocalZoom(int xIndex) {
 | |
| 	using Type = AbstractChartView::LocalZoomArgs::Type;
 | |
| 	constexpr auto kFooterZoomDuration = crl::time(400);
 | |
| 	if (_footer->isHidden()) {
 | |
| 		return;
 | |
| 	}
 | |
| 	const auto wasZoom = _footer->xPercentageLimits();
 | |
| 
 | |
| 	const auto header = Ui::CreateChild<Header>(this);
 | |
| 	header->show();
 | |
| 	_header->geometryValue(
 | |
| 	) | rpl::start_with_next([=](const QRect &g) {
 | |
| 		header->setGeometry(g);
 | |
| 	}, header->lifetime());
 | |
| 	header->setTitle(_header->title());
 | |
| 	header->setSubTitle(HeaderSubTitle(_chartData, xIndex, xIndex));
 | |
| 
 | |
| 	const auto enableMouse = [=](bool value) {
 | |
| 		setAttribute(Qt::WA_TransparentForMouseEvents, !value);
 | |
| 	};
 | |
| 
 | |
| 	const auto mouseTrackingLifetime = std::make_shared<rpl::lifetime>();
 | |
| 	_chartView->setUpdateCallback([=] { _chartArea->update(); });
 | |
| 	const auto createMouseTracking = [=] {
 | |
| 		_chartArea->setMouseTracking(true);
 | |
| 		*mouseTrackingLifetime = _chartArea->events(
 | |
| 		) | rpl::filter([](not_null<QEvent*> event) {
 | |
| 			return (event->type() == QEvent::MouseMove)
 | |
| 				|| (event->type() == QEvent::Leave);
 | |
| 		}) | rpl::start_with_next([=](not_null<QEvent*> event) {
 | |
| 			auto pos = QPoint();
 | |
| 			if (event->type() == QEvent::MouseMove) {
 | |
| 				const auto e = static_cast<QMouseEvent*>(event.get());
 | |
| 				pos = e->pos();
 | |
| 			}
 | |
| 			_chartView->handleMouseMove(_chartData, _chartArea->rect(), pos);
 | |
| 		});
 | |
| 		mouseTrackingLifetime->add(crl::guard(_chartArea.get(), [=] {
 | |
| 			_chartArea->setMouseTracking(false);
 | |
| 		}));
 | |
| 	};
 | |
| 
 | |
| 	const auto zoomOutButton = Ui::CreateChild<Ui::RoundButton>(
 | |
| 		header,
 | |
| 		tr::lng_stats_zoom_out(),
 | |
| 		st::statisticsHeaderButton);
 | |
| 	zoomOutButton->moveToRight(
 | |
| 		0,
 | |
| 		(header->height() - zoomOutButton->height()) / 2);
 | |
| 	zoomOutButton->show();
 | |
| 	zoomOutButton->setTextTransform(
 | |
| 		Ui::RoundButton::TextTransform::NoTransform);
 | |
| 	zoomOutButton->setClickedCallback([=] {
 | |
| 		auto lifetime = std::make_shared<rpl::lifetime>();
 | |
| 		const auto animation = lifetime->make_state<Ui::Animations::Simple>();
 | |
| 		const auto currentXPercentage = _footer->xPercentageLimits();
 | |
| 		animation->start([=](float64 value) {
 | |
| 			_chartView->maybeLocalZoom({
 | |
| 				_chartData,
 | |
| 				Type::SkipCalculation,
 | |
| 				value,
 | |
| 			});
 | |
| 			const auto p = value;
 | |
| 			_footer->setXPercentageLimits({
 | |
| 				anim::interpolateF(wasZoom.min, currentXPercentage.min, p),
 | |
| 				anim::interpolateF(wasZoom.max, currentXPercentage.max, p),
 | |
| 			});
 | |
| 			if (value == 0.) {
 | |
| 				if (lifetime) {
 | |
| 					lifetime->destroy();
 | |
| 				}
 | |
| 				mouseTrackingLifetime->destroy();
 | |
| 				enableMouse(true);
 | |
| 			}
 | |
| 		}, 1., 0., kFooterZoomDuration, anim::easeOutCirc);
 | |
| 		enableMouse(false);
 | |
| 
 | |
| 		Ui::Animations::HideWidgets({ header });
 | |
| 	});
 | |
| 
 | |
| 	Ui::Animations::ShowWidgets({ header });
 | |
| 
 | |
| 	const auto finish = [=](const Limits &zoomLimitIndices) {
 | |
| 		createMouseTracking();
 | |
| 		_footer->xPercentageLimitsChange(
 | |
| 		) | rpl::start_with_next([=](const Limits &l) {
 | |
| 			const auto r = FindStackXIndicesFromRawXPercentages(
 | |
| 				_chartData,
 | |
| 				l,
 | |
| 				zoomLimitIndices);
 | |
| 			header->setSubTitle(HeaderSubTitle(_chartData, r.min, r.max));
 | |
| 			header->update();
 | |
| 		}, header->lifetime());
 | |
| 	};
 | |
| 
 | |
| 	{
 | |
| 		auto lifetime = std::make_shared<rpl::lifetime>();
 | |
| 		const auto animation = lifetime->make_state<Ui::Animations::Simple>();
 | |
| 		_chartView->maybeLocalZoom({ _chartData, Type::Prepare });
 | |
| 		animation->start([=](float64 value) {
 | |
| 			const auto zoom = _chartView->maybeLocalZoom({
 | |
| 				_chartData,
 | |
| 				Type::Process,
 | |
| 				value,
 | |
| 				xIndex,
 | |
| 			});
 | |
| 			const auto result = Limits{
 | |
| 				anim::interpolateF(wasZoom.min, zoom.range.min, value),
 | |
| 				anim::interpolateF(wasZoom.max, zoom.range.max, value),
 | |
| 			};
 | |
| 			_footer->setXPercentageLimits(result);
 | |
| 			if (value == 1.) {
 | |
| 				if (lifetime) {
 | |
| 					lifetime->destroy();
 | |
| 				}
 | |
| 				finish(zoom.limitIndices);
 | |
| 				enableMouse(true);
 | |
| 			}
 | |
| 		}, 0., 1., kFooterZoomDuration, anim::easeOutCirc);
 | |
| 		enableMouse(false);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void ChartWidget::setupFilterButtons() {
 | |
| 	if (!_chartData || (_chartData.lines.size() <= 1)) {
 | |
| 		_filterButtons = nullptr;
 | |
| 		_chartArea->update();
 | |
| 		return;
 | |
| 	}
 | |
| 	_filterButtons = base::make_unique_q<ChartLinesFilterWidget>(this);
 | |
| 	_filterButtons->show();
 | |
| 	{
 | |
| 		auto data = std::vector<ChartLinesFilterWidget::ButtonData>();
 | |
| 		data.reserve(_chartData.lines.size());
 | |
| 		for (const auto &line : _chartData.lines) {
 | |
| 			data.push_back({
 | |
| 				line.name,
 | |
| 				line.color,
 | |
| 				line.id,
 | |
| 				line.isHiddenOnStart,
 | |
| 			});
 | |
| 			if (line.isHiddenOnStart) {
 | |
| 				_linesFilterController->setEnabled(line.id, false, 1);
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		_filterButtons->fillButtons(data);
 | |
| 		_linesFilterController->tick(1.);
 | |
| 	}
 | |
| 
 | |
| 	_filterButtons->buttonEnabledChanges(
 | |
| 	) | rpl::start_with_next([=](const ChartLinesFilterWidget::Entry &e) {
 | |
| 		const auto now = crl::now();
 | |
| 		_linesFilterController->setEnabled(e.id, e.enabled, now);
 | |
| 
 | |
| 		_animationController.setXPercentageLimits(
 | |
| 			_chartData,
 | |
| 			_animationController.currentXLimits(),
 | |
| 			_chartView,
 | |
| 			_linesFilterController,
 | |
| 			now);
 | |
| 	}, _filterButtons->lifetime());
 | |
| }
 | |
| 
 | |
| void ChartWidget::setChartData(
 | |
| 		Data::StatisticalChart chartData,
 | |
| 		ChartViewType type) {
 | |
| 	if (width() < st::statisticsChartHeight) {
 | |
| 		sizeValue(
 | |
| 		) | rpl::start_with_next([=](const QSize &s) {
 | |
| 			if (s.width() > st::statisticsChartHeight) {
 | |
| 				setChartData(chartData, type);
 | |
| 				_waitingSizeLifetime.destroy();
 | |
| 			}
 | |
| 		}, _waitingSizeLifetime);
 | |
| 		return;
 | |
| 	}
 | |
| 	if (_chartData) {
 | |
| 		// We don't really support a replacement of chart data in runtime.
 | |
| 		return;
 | |
| 	}
 | |
| 	_chartData = std::move(chartData);
 | |
| 	FillLineColorsByKey(_chartData);
 | |
| 
 | |
| 	_chartView = CreateChartView(type);
 | |
| 	_chartView->setLinesFilterController(_linesFilterController);
 | |
| 	_rulersView.setChartData(_chartData, type, _linesFilterController);
 | |
| 	_areRulersAbove = (type == ChartViewType::StackBar);
 | |
| 
 | |
| 	if (_chartData.isFooterHidden) {
 | |
| 		_footer->hide();
 | |
| 	}
 | |
| 
 | |
| 	setupDetails();
 | |
| 	setupFilterButtons();
 | |
| 
 | |
| 	const auto defaultZoom = Limits{
 | |
| 		_chartData.xPercentage[_chartData.defaultZoomXIndex.min],
 | |
| 		_chartData.xPercentage[_chartData.defaultZoomXIndex.max],
 | |
| 	};
 | |
| 	_footer->setXPercentageLimits(defaultZoom);
 | |
| 	_animationController.setXPercentageLimits(
 | |
| 		_chartData,
 | |
| 		defaultZoom,
 | |
| 		_chartView,
 | |
| 		_linesFilterController,
 | |
| 		0);
 | |
| 	updateHeader();
 | |
| 	_animationController.finish();
 | |
| 	_rulersView.add(_animationController.finalHeightLimits(), false);
 | |
| 
 | |
| 	_chartArea->update();
 | |
| 	_footer->update();
 | |
| 
 | |
| 	RpWidget::resizeToWidth(width());
 | |
| }
 | |
| 
 | |
| void ChartWidget::setTitle(rpl::producer<QString> &&title) {
 | |
| 	std::move(
 | |
| 		title
 | |
| 	) | rpl::start_with_next([=](QString t) {
 | |
| 		_header->setTitle(std::move(t));
 | |
| 		_header->update();
 | |
| 	}, _header->lifetime());
 | |
| }
 | |
| 
 | |
| void ChartWidget::setZoomedChartData(
 | |
| 		Data::StatisticalChart chartData,
 | |
| 		float64 x,
 | |
| 		ChartViewType type) {
 | |
| 	_zoomedChartWidget = base::make_unique_q<ChartWidget>(
 | |
| 		dynamic_cast<Ui::RpWidget*>(parentWidget()));
 | |
| 	geometryValue(
 | |
| 	) | rpl::start_with_next([=](const QRect &geometry) {
 | |
| 		_zoomedChartWidget->moveToLeft(geometry.x(), geometry.y());
 | |
| 	}, _zoomedChartWidget->lifetime());
 | |
| 	_zoomedChartWidget->show();
 | |
| 	_zoomedChartWidget->resizeToWidth(width());
 | |
| 	_zoomedChartWidget->setChartData(std::move(chartData), type);
 | |
| 
 | |
| 	const auto customHeader = Ui::CreateChild<Header>(
 | |
| 		_zoomedChartWidget.get());
 | |
| 	{
 | |
| 		const auto xIndex = std::distance(
 | |
| 			begin(_chartData.x),
 | |
| 			ranges::find(_chartData.x, x));
 | |
| 		customHeader->setTitle(_header->title());
 | |
| 		if ((xIndex >= 0) && (xIndex < _chartData.x.size())) {
 | |
| 			customHeader->setSubTitle(
 | |
| 				HeaderSubTitle(_chartData, xIndex, xIndex));
 | |
| 		}
 | |
| 		const auto &headerPadding = st::statisticsChartHeaderPadding;
 | |
| 		customHeader->moveToLeft(headerPadding.left(), headerPadding.top());
 | |
| 		customHeader->resizeToWidth(width() - rect::m::sum::h(headerPadding));
 | |
| 	}
 | |
| 
 | |
| 	const auto zoomOutButton = Ui::CreateChild<Ui::RoundButton>(
 | |
| 		customHeader,
 | |
| 		tr::lng_stats_zoom_out(),
 | |
| 		st::statisticsHeaderButton);
 | |
| 	zoomOutButton->setTextTransform(
 | |
| 		Ui::RoundButton::TextTransform::NoTransform);
 | |
| 	zoomOutButton->moveToRight(
 | |
| 		0,
 | |
| 		(customHeader->height() - zoomOutButton->height()) / 2);
 | |
| 	zoomOutButton->setClickedCallback([=] {
 | |
| 		shownValue(
 | |
| 		) | rpl::start_with_next([=](bool shown) {
 | |
| 			if (shown) {
 | |
| 				_zoomedChartWidget = nullptr;
 | |
| 			}
 | |
| 		}, _zoomedChartWidget->lifetime());
 | |
| 		Ui::Animations::ShowWidgets({ this });
 | |
| 		Ui::Animations::HideWidgets({ _zoomedChartWidget.get() });
 | |
| 	});
 | |
| 
 | |
| 	Ui::Animations::ShowWidgets({ _zoomedChartWidget.get(), customHeader });
 | |
| 	Ui::Animations::HideWidgets({ this });
 | |
| }
 | |
| 
 | |
| rpl::producer<float64> ChartWidget::zoomRequests() {
 | |
| 	_zoomEnabled = true;
 | |
| 	setupDetails();
 | |
| 	return _zoomRequests.events();
 | |
| }
 | |
| 
 | |
| } // namespace Statistic
 | 
