From 6995fcafb5b930527591a2f812cf3801e80c238a Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Tue, 26 Sep 2023 04:11:18 +0300
Subject: [PATCH] Fixed mouse selection of pie chart with single part.

---
 .../SourceFiles/statistics/view/stack_linear_chart_view.cpp  | 5 ++++-
 .../SourceFiles/statistics/view/stack_linear_chart_view.h    | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/statistics/view/stack_linear_chart_view.cpp b/Telegram/SourceFiles/statistics/view/stack_linear_chart_view.cpp
index e63a8b878a..3fd53b210b 100644
--- a/Telegram/SourceFiles/statistics/view/stack_linear_chart_view.cpp
+++ b/Telegram/SourceFiles/statistics/view/stack_linear_chart_view.cpp
@@ -180,6 +180,7 @@ auto StackLinearChartView::partsPercentage(
 	auto minPercDiffIndex = int(-1);
 	auto roundedPercentagesSum = 0.;
 
+	_pieHasSinglePart = false;
 	for (auto k = 0; k < sums.size(); k++) {
 		const auto rawPercentage = sums[k] / totalSum;
 		const auto rounded = 0.01 * std::round(rawPercentage * 100.);
@@ -198,6 +199,7 @@ auto StackLinearChartView::partsPercentage(
 
 		stackedPercentage += rounded;
 		result.push_back({ rounded, stackedPercentage * 360. - 180. });
+		_pieHasSinglePart |= (rounded == 1.);
 	}
 	{
 		const auto index = (roundedPercentagesSum > 1.)
@@ -787,7 +789,8 @@ void StackLinearChartView::handleMouseMove(
 }
 
 bool StackLinearChartView::skipSelectedTranslation() const {
-	return (_entries.size() == (_transition.lines.size() - 1));
+	return _pieHasSinglePart
+		|| (_entries.size() == (_transition.lines.size() - 1));
 }
 
 void StackLinearChartView::paintSelectedXIndex(
diff --git a/Telegram/SourceFiles/statistics/view/stack_linear_chart_view.h b/Telegram/SourceFiles/statistics/view/stack_linear_chart_view.h
index 3ef444030f..6955db542e 100644
--- a/Telegram/SourceFiles/statistics/view/stack_linear_chart_view.h
+++ b/Telegram/SourceFiles/statistics/view/stack_linear_chart_view.h
@@ -148,6 +148,7 @@ private:
 	};
 	PiePartController _piePartController;
 	Ui::Animations::Basic _piePartAnimation;
+	bool _pieHasSinglePart = false;
 
 };