1 files changed, 38 insertions, 0 deletions
diff --git a/examples/charts/chartsgallery/stackeddrilldownchart.cpp b/examples/charts/chartsgallery/stackeddrilldownchart.cpp
new file mode 100644
index 00000000..89df4ec0
--- /dev/null
+++ b/examples/charts/chartsgallery/stackeddrilldownchart.cpp
@@ -0,0 +1,38 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include "stackeddrilldownchart.h"
+
+#include <QBarCategoryAxis>
+#include <QValueAxis>
+
+StackedDrilldownChart::StackedDrilldownChart(QGraphicsItem *parent, Qt::WindowFlags wFlags)
+    : QChart(QChart::ChartTypeCartesian, parent, wFlags),
+      m_axisX(new QBarCategoryAxis),
+      m_axisY(new QValueAxis)
+{
+    addAxis(m_axisY, Qt::AlignLeft);
+    addAxis(m_axisX, Qt::AlignBottom);
+}
+
+void StackedDrilldownChart::changeSeries(StackedDrilldownSeries *series)
+{
+    if (m_currentSeries)
+        removeSeries(m_currentSeries);
+
+    m_currentSeries = series;
+
+    // Reset axis
+    m_axisX->setCategories(m_currentSeries->categories());
+    addSeries(series);
+    series->attachAxis(m_axisX);
+    series->attachAxis(m_axisY);
+    m_axisY->setRange(0,m_currentSeries->maxValue());
+    setTitle(series->name());
+}
+
+void StackedDrilldownChart::handleClicked(int index, QBarSet *)
+{
+    auto series = static_cast<StackedDrilldownSeries *>(sender());
+    changeSeries(series->drilldownSeries(index));
+}