Added mouse click support to point details widget.

Telegram/SourceFiles/statistics/chart_widget.cpp

@@ -1125,7 +1125,8 @@ void ChartWidget::setupDetails() {
 	_details.widget = base::make_unique_q<PointDetailsWidget>(
 		this,
 		_chartData,
-		maxAbsoluteValue);
+		maxAbsoluteValue,
+		false);
 
 	_details.widget->shownValue(
 	) | rpl::start_with_next([=](bool shown) {

Telegram/SourceFiles/statistics/point_details_widget.cpp

@@ -33,8 +33,10 @@ namespace {
 PointDetailsWidget::PointDetailsWidget(
 	not_null<Ui::RpWidget*> parent,
 	const Data::StatisticalChart &chartData,
-	float64 maxAbsoluteValue)
-: Ui::RpWidget(parent)
+	float64 maxAbsoluteValue,
+	bool zoomEnabled)
+: Ui::AbstractButton(parent)
+, _zoomEnabled(zoomEnabled)
 , _chartData(chartData)
 , _textStyle(st::statisticsDetailsPopupStyle)
 , _headerStyle(st::semiboldTextStyle)
@@ -118,6 +120,7 @@ void PointDetailsWidget::setXIndex(int xIndex) {
 
 	_lines.clear();
 	_lines.reserve(_chartData.lines.size());
+	auto hasPositiveValues = false;
 	for (const auto &dataLine : _chartData.lines) {
 		auto textLine = Line();
 		textLine.id = dataLine.id;
@@ -125,9 +128,14 @@ void PointDetailsWidget::setXIndex(int xIndex) {
 		textLine.value.setText(
 			_textStyle,
 			QString("%L1").arg(dataLine.y[xIndex]));
+		hasPositiveValues |= (dataLine.y[xIndex] > 0);
 		textLine.valueColor = QColor(dataLine.color);
 		_lines.push_back(std::move(textLine));
 	}
+	const auto clickable = _zoomEnabled && hasPositiveValues;
+	setAttribute(
+		Qt::WA_TransparentForMouseEvents,
+		!clickable);
 }
 
 void PointDetailsWidget::setAlpha(float64 alpha) {

Telegram/SourceFiles/statistics/point_details_widget.h

@@ -8,16 +8,17 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "data/data_statistics.h"
-#include "ui/rp_widget.h"
+#include "ui/abstract_button.h"
 
 namespace Statistic {
 
-class PointDetailsWidget : public Ui::RpWidget {
+class PointDetailsWidget : public Ui::AbstractButton {
 public:
 	PointDetailsWidget(
 		not_null<Ui::RpWidget*> parent,
 		const Data::StatisticalChart &chartData,
-		float64 maxAbsoluteValue);
+		float64 maxAbsoluteValue,
+		bool zoomEnabled);
 
 	[[nodiscard]] int xIndex() const;
 	void setXIndex(int xIndex);
@@ -28,6 +29,7 @@ protected:
 	void paintEvent(QPaintEvent *e) override;
 
 private:
+	const bool _zoomEnabled;
 	const Data::StatisticalChart &_chartData;
 	const style::TextStyle &_textStyle;
 	const style::TextStyle &_headerStyle;