1 files changed, 33 insertions, 0 deletions
diff --git a/examples/charts/chartsgallery/piedrilldownslice.cpp b/examples/charts/chartsgallery/piedrilldownslice.cpp
new file mode 100644
index 00000000..a8612cde
--- /dev/null
+++ b/examples/charts/chartsgallery/piedrilldownslice.cpp
@@ -0,0 +1,33 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include "piedrilldownslice.h"
+
+PieDrilldownSlice::PieDrilldownSlice(qreal value, const QString &prefix, QAbstractSeries *drilldownSeries)
+    : m_drilldownSeries(drilldownSeries),
+      m_prefix(prefix)
+{
+    setValue(value);
+    updateLabel();
+    setLabelFont(QFont("Arial", 8));
+    connect(this, &PieDrilldownSlice::percentageChanged, this, &PieDrilldownSlice::updateLabel);
+    connect(this, &PieDrilldownSlice::hovered, this, &PieDrilldownSlice::showHighlight);
+}
+
+QAbstractSeries *PieDrilldownSlice::drilldownSeries() const
+{
+    return m_drilldownSeries;
+}
+
+void PieDrilldownSlice::updateLabel()
+{
+    setLabel(QStringLiteral("%1 $%2, %3%").arg(m_prefix,
+                                               QString::number(value()),
+                                               QString::number(percentage() * 100, 'f', 1)));
+}
+
+void PieDrilldownSlice::showHighlight(bool show)
+{
+    setLabelVisible(show);
+    setExploded(show);
+}