Improved style of widget for details of selected points on chart.

Telegram/SourceFiles/statistics/chart_widget.cpp

@@ -1189,16 +1189,20 @@ void ChartWidget::setupDetails() {
 					currentXLimits.min,
 					currentXLimits.max,
 					_chartData.xPercentage[nearestXIndex]);
-			const auto xLeft = currentX
+			const auto widgetArea = _details.widget->width()
-				- _details.widget->width();
+				+ st::statisticsDetailsPopupPadding.left();
+			const auto xLeft = currentX - widgetArea;
 			const auto x = (xLeft >= 0)
 				? xLeft
-				: ((currentX
+				: ((currentX + widgetArea - _chartArea->width()) > 0)
-					+ _details.widget->width()
-					- _chartArea->width()) > 0)
 				? 0
 				: currentX;
-			_details.widget->moveToLeft(x, _chartArea->y());
+			_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;

Telegram/SourceFiles/statistics/point_details_widget.cpp

@@ -11,7 +11,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/effects/ripple_animation.h"
 #include "ui/painter.h"
 #include "ui/rect.h"
-#include "ui/widgets/shadow.h"
 #include "styles/style_layers.h"
 #include "styles/style_statistics.h"
 
@@ -32,6 +31,37 @@ namespace {
 	}
 }
 
+void PaintShadow(QPainter &p, int radius, const QRect &r) {
+	constexpr auto kHorizontalOffset = 1;
+	constexpr auto kHorizontalOffset2 = 2;
+	constexpr auto kVerticalOffset = 2;
+	constexpr auto kVerticalOffset2 = 3;
+	constexpr auto kOpacityStep = 0.2;
+	constexpr auto kOpacityStep2 = 0.4;
+	const auto hOffset = style::ConvertScale(kHorizontalOffset);
+	const auto hOffset2 = style::ConvertScale(kHorizontalOffset2);
+	const auto vOffset = style::ConvertScale(kVerticalOffset);
+	const auto vOffset2 = style::ConvertScale(kVerticalOffset2);
+	const auto opacity = p.opacity();
+	auto hq = PainterHighQualityEnabler(p);
+
+	p.setOpacity(opacity);
+	p.drawRoundedRect(r + QMarginsF(0, hOffset, 0, hOffset), radius, radius);
+
+	p.setOpacity(opacity * kOpacityStep);
+	p.drawRoundedRect(r + QMarginsF(hOffset, 0, hOffset, 0), radius, radius);
+	p.setOpacity(opacity * kOpacityStep2);
+	p.drawRoundedRect(r
+		+ QMarginsF(hOffset2, 0, hOffset2, 0), radius, radius);
+
+	p.setOpacity(opacity * kOpacityStep);
+	p.drawRoundedRect(r + QMarginsF(0, 0, 0, vOffset), radius, radius);
+	p.setOpacity(opacity * kOpacityStep2);
+	p.drawRoundedRect(r + QMarginsF(0, 0, 0, vOffset2), radius, radius);
+
+	p.setOpacity(opacity);
+}
+
 } // namespace
 
 void PaintDetails(
@@ -67,7 +97,9 @@ void PaintDetails(
 	const auto innerRect = fullRect - st::statisticsDetailsPopupPadding;
 	const auto textRect = innerRect - st::statisticsDetailsPopupMargins;
 
-	Ui::Shadow::paint(p, innerRect, rect.width(), st::boxRoundShadow);
+	p.setBrush(st::shadowFg);
+	p.setPen(Qt::NoPen);
+	PaintShadow(p, st::boxRadius, innerRect);
 	Ui::FillRoundRect(p, innerRect, st::boxBg, Ui::BoxCorners);
 
 	const auto lineY = textRect.y();
@@ -90,7 +122,7 @@ PointDetailsWidget::PointDetailsWidget(
 	const Data::StatisticalChart &chartData,
 	float64 maxAbsoluteValue,
 	bool zoomEnabled)
-: Ui::RippleButton(parent, st::defaultRippleAnimation)
+: Ui::AbstractButton(parent)
 , _zoomEnabled(zoomEnabled)
 , _chartData(chartData)
 , _textStyle(st::statisticsDetailsPopupStyle)
@@ -119,6 +151,7 @@ PointDetailsWidget::PointDetailsWidget(
 				p.drawLine(QLineF(s, s, w, w + s));
 				p.drawLine(QLineF(s, s + w * 2, w, w + s));
 			}
+			invalidateCache();
 		}, lifetime());
 	}
 
@@ -162,6 +195,7 @@ PointDetailsWidget::PointDetailsWidget(
 			: Rect(s);
 		_innerRect = fullRect - st::statisticsDetailsPopupPadding;
 		_textRect = _innerRect - st::statisticsDetailsPopupMargins;
+		invalidateCache();
 	}, lifetime());
 
 	resize(calculatedWidth, height());
@@ -171,11 +205,15 @@ PointDetailsWidget::PointDetailsWidget(
 void PointDetailsWidget::setLineAlpha(int lineId, float64 alpha) {
 	for (auto &line : _lines) {
 		if (line.id == lineId) {
+			if (line.alpha != alpha) {
 				line.alpha = alpha;
-		}
-	}
-	update();
 				resizeHeight();
+				invalidateCache();
+				update();
+			}
+			return;
+		}
+	}
 }
 
 void PointDetailsWidget::resizeHeight() {
@@ -216,6 +254,7 @@ void PointDetailsWidget::setXIndex(int xIndex) {
 	setAttribute(
 		Qt::WA_TransparentForMouseEvents,
 		!clickable);
+	invalidateCache();
 }
 
 void PointDetailsWidget::setAlpha(float64 alpha) {
@@ -242,16 +281,53 @@ int PointDetailsWidget::lineYAt(int index) const {
 		+ std::ceil(linesHeight);
 }
 
+void PointDetailsWidget::invalidateCache() {
+	_cache = QImage();
+}
+
+void PointDetailsWidget::mousePressEvent(QMouseEvent *e) {
+	AbstractButton::mousePressEvent(e);
+	const auto position = e->pos() - _innerRect.topLeft();
+	if (!_ripple) {
+		_ripple = std::make_unique<Ui::RippleAnimation>(
+			st::defaultRippleAnimation,
+			Ui::RippleAnimation::RoundRectMask(
+				_innerRect.size(),
+				st::boxRadius),
+			[=] { update(); });
+	}
+	_ripple->add(position);
+}
+
+void PointDetailsWidget::mouseReleaseEvent(QMouseEvent *e) {
+	AbstractButton::mouseReleaseEvent(e);
+	if (_ripple) {
+		_ripple->lastStop();
+	}
+}
+
 void PointDetailsWidget::paintEvent(QPaintEvent *e) {
-	auto p = QPainter(this);
+	auto painter = QPainter(this);
 
-	p.setOpacity(_alpha);
+	if (_cache.isNull()) {
+		_cache = QImage(
+			size() * style::DevicePixelRatio(),
+			QImage::Format_ARGB32_Premultiplied);
+		_cache.fill(Qt::transparent);
 
-	const auto fullRect = rect();
+		auto p = QPainter(&_cache);
 
-	Ui::Shadow::paint(p, _innerRect, width(), st::boxRoundShadow);
+		p.setBrush(st::shadowFg);
+		p.setPen(Qt::NoPen);
+		PaintShadow(p, st::boxRadius, _innerRect);
 		Ui::FillRoundRect(p, _innerRect, st::boxBg, Ui::BoxCorners);
-	Ui::RippleButton::paintRipple(p, _innerRect.topLeft());
+
+		if (_ripple) {
+			_ripple->paint(p, _innerRect.left(), _innerRect.top(), width());
+			if (_ripple->empty()) {
+				_ripple.reset();
+			}
+		}
 
 		p.setPen(st::boxTextFg);
 		const auto headerContext = Ui::Text::PaintContext{
@@ -264,7 +340,9 @@ void PointDetailsWidget::paintEvent(QPaintEvent *e) {
 			const auto lineY = lineYAt(i);
 			const auto valueWidth = line.value.maxWidth();
 			const auto valueContext = Ui::Text::PaintContext{
-			.position = QPoint(rect::right(_textRect) - valueWidth, lineY),
+				.position = QPoint(
+					rect::right(_textRect) - valueWidth,
+					lineY),
 				.outerWidth = _textRect.width(),
 				.availableWidth = valueWidth,
 			};
@@ -273,7 +351,7 @@ void PointDetailsWidget::paintEvent(QPaintEvent *e) {
 				.outerWidth = _textRect.width(),
 				.availableWidth = _textRect.width() - valueWidth,
 			};
-		p.setOpacity(line.alpha * line.alpha * _alpha);
+			p.setOpacity(line.alpha * line.alpha);
 			p.setPen(st::boxTextFg);
 			line.name.draw(p, nameContext);
 			p.setPen(line.valueColor);
@@ -288,15 +366,13 @@ void PointDetailsWidget::paintEvent(QPaintEvent *e) {
 			p.drawImage(x, y, _arrow);
 		}
 	}
-
+	if (_alpha < 1.) {
-QPoint PointDetailsWidget::prepareRippleStartPosition() const {
+		painter.setOpacity(_alpha);
-	return mapFromGlobal(QCursor::pos()) - _innerRect.topLeft();
+	}
+	painter.drawImage(0, 0, _cache);
+	if (_ripple) {
+		invalidateCache();
 	}
-
-QImage PointDetailsWidget::prepareRippleMask() const {
-	return Ui::RippleAnimation::RoundRectMask(
-		_innerRect.size(),
-		st::boxRadius);
 }
 
 } // namespace Statistic

Telegram/SourceFiles/statistics/point_details_widget.h

@@ -8,7 +8,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "data/data_statistics_chart.h"
-#include "ui/widgets/buttons.h"
+#include "ui/abstract_button.h"
+
+namespace Ui {
+class RippleAnimation;
+} // namespace Ui
 
 namespace Statistic {
 
@@ -18,7 +22,7 @@ void PaintDetails(
 	int absoluteValue,
 	const QRect &rect);
 
-class PointDetailsWidget : public Ui::RippleButton {
+class PointDetailsWidget : public Ui::AbstractButton {
 public:
 	PointDetailsWidget(
 		not_null<Ui::RpWidget*> parent,
@@ -34,9 +38,8 @@ public:
 
 protected:
 	void paintEvent(QPaintEvent *e) override;
-
+	void mousePressEvent(QMouseEvent *e) override;
-	QImage prepareRippleMask() const override;
+	void mouseReleaseEvent(QMouseEvent *e) override;
-	QPoint prepareRippleStartPosition() const override;
 
 private:
 	const bool _zoomEnabled;
@@ -47,6 +50,8 @@ private:
 	const QString _shortFormat;
 	Ui::Text::String _header;
 
+	void invalidateCache();
+
 	[[nodiscard]] int lineYAt(int index) const;
 
 	void resizeHeight();
@@ -63,11 +68,15 @@ private:
 	QRect _textRect;
 	QImage _arrow;
 
+	QImage _cache;
+
 	int _xIndex = -1;
 	float64 _alpha = 1.;
 
 	std::vector<Line> _lines;
 
+	std::unique_ptr<Ui::RippleAnimation> _ripple;
+
 };
 
 } // namespace Statistic

Telegram/SourceFiles/statistics/statistics.style

@@ -13,13 +13,13 @@ using "ui/widgets/widgets.style";
 statisticsLayerOverviewMargins: margins(0px, 17px, 0px, 3px);
 statisticsLayerMargins: margins(20px, 0px, 20px, 0px);
 
-statisticsChartHeight: 150px;
+statisticsChartHeight: 200px;
 
 statisticsChartEntryPadding: margins(0px, 13px, 0px, 8px);
 
 statisticsDetailsArrowShift: 2px;
 statisticsDetailsArrowStroke: 1.5;
-statisticsDetailsPopupMargins: margins(8px, 8px, 8px, 8px);
+statisticsDetailsPopupMargins: margins(12px, 8px, 12px, 11px);
 statisticsDetailsPopupPadding: margins(6px, 6px, 6px, 6px);
 statisticsDetailsPopupMidLineSpace: 4px;
 statisticsDetailsDotRadius: 5px;
@@ -45,10 +45,10 @@ statisticsChartFlatCheckboxCheckWidth: 4px;
 statisticsFilterButtonsPadding: margins(0px, 6px, 0px, 0px);
 
 statisticsDetailsPopupHeaderStyle: TextStyle(defaultTextStyle) {
-	font: font(9px semibold);
+	font: font(12px semibold);
 }
 statisticsDetailsPopupStyle: TextStyle(defaultTextStyle) {
-	font: font(8px);
+	font: font(12px);
 }
 statisticsDetailsBottomCaptionStyle: TextStyle(defaultTextStyle) {
 	font: font(10px);