1 files changed, 25 insertions, 0 deletions
diff --git a/examples/charts/chartsgallery/donutbreakdownchart.h b/examples/charts/chartsgallery/donutbreakdownchart.h
new file mode 100644
index 00000000..5cfc574e
--- /dev/null
+++ b/examples/charts/chartsgallery/donutbreakdownchart.h
@@ -0,0 +1,25 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#ifndef DONUTBREAKDOWNCHART_H
+#define DONUTBREAKDOWNCHART_H
+
+#include <QChart>
+
+QT_FORWARD_DECLARE_CLASS(QPieSeries)
+
+class DonutBreakdownChart : public QChart
+{
+public:
+    DonutBreakdownChart(QGraphicsItem *parent = nullptr, Qt::WindowFlags wFlags = {});
+    void addBreakdownSeries(QPieSeries *series, QColor color);
+
+private:
+    void recalculateAngles();
+    void updateLegendMarkers();
+
+private:
+    QPieSeries *m_mainSeries = nullptr;
+};
+
+#endif