Rename gallery and qmlgallery examples as they are too genericv6.6.0-beta1

Gallery name conflicted with widgets example of same name.
New names are chartsgallery and qmlchartsgallery.

Fixes: QTBUG-114408
Change-Id: Iee9fdfa1f685685a4118fb9d401c1e53147546cb
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
(cherry picked from commit 2ae46ef08f6a10a0d44557bb592db06be667f2bb)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/examples/charts/chartsgallery/piedrilldownchart.cpp b/examples/charts/chartsgallery/piedrilldownchart.cpp
new file mode 100644
index 00000000..7d60f727
--- /dev/null
+++ b/examples/charts/chartsgallery/piedrilldownchart.cpp
@@ -0,0 +1,25 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include "piedrilldownchart.h"
+#include "piedrilldownslice.h"
+
+PieDrilldownChart::PieDrilldownChart(QGraphicsItem *parent, Qt::WindowFlags wFlags)
+    : QChart(QChart::ChartTypeCartesian, parent, wFlags)
+{
+}
+
+void PieDrilldownChart::changeSeries(QAbstractSeries *series)
+{
+    if (m_currentSeries)
+        removeSeries(m_currentSeries);
+    m_currentSeries = series;
+    addSeries(series);
+    setTitle(series->name());
+}
+
+void PieDrilldownChart::handleSliceClicked(QPieSlice *slice)
+{
+    auto *drilldownSlice = static_cast<PieDrilldownSlice *>(slice);
+    changeSeries(drilldownSlice->drilldownSeries());
+}