1 files changed, 109 insertions, 0 deletions
diff --git a/examples/datavisualization/graphgallery/surfacegraphmodifier.h b/examples/datavisualization/graphgallery/surfacegraphmodifier.h
new file mode 100644
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+++ b/examples/datavisualization/graphgallery/surfacegraphmodifier.h
@@ -0,0 +1,109 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef SURFACEGRAPHMODIFIER_H
+#define SURFACEGRAPHMODIFIER_H
+
+#include <QtDataVisualization/q3dsurface.h>
+#include <QtDataVisualization/qsurfacedataproxy.h>
+#include <QtDataVisualization/qheightmapsurfacedataproxy.h>
+#include <QtDataVisualization/qsurface3dseries.h>
+#include <QtDataVisualization/qcustom3ditem.h>
+#include <QtDataVisualization/qcustom3dlabel.h>
+#include <QtDataVisualization/q3dinputhandler.h>
+#include <QtWidgets/qslider.h>
+#include <QtWidgets/qlabel.h>
+#include <QtCore/qpropertyanimation.h>
+
+class TopographicSeries;
+class HighlightSeries;
+class CustomInputHandler;
+
+class SurfaceGraphModifier : public QObject
+{
+    Q_OBJECT
+public:
+    explicit SurfaceGraphModifier(Q3DSurface *surface, QLabel *label, QObject *parent);
+
+    //! [0]
+    void toggleModeNone() { m_graph->setSelectionMode(QAbstract3DGraph::SelectionNone); }
+    void toggleModeItem() { m_graph->setSelectionMode(QAbstract3DGraph::SelectionItem); }
+    void toggleModeSliceRow() { m_graph->setSelectionMode(QAbstract3DGraph::SelectionItemAndRow
+                                                          | QAbstract3DGraph::SelectionSlice
+                                                          | QAbstract3DGraph::SelectionMultiSeries); }
+    void toggleModeSliceColumn() { m_graph->setSelectionMode(QAbstract3DGraph::SelectionItemAndColumn
+                                                             | QAbstract3DGraph::SelectionSlice
+                                                             | QAbstract3DGraph::SelectionMultiSeries); }
+    //! [0]
+
+    void setBlackToYellowGradient();
+    void setGreenToRedGradient();
+
+    void setAxisMinSliderX(QSlider *slider) { m_axisMinSliderX = slider; }
+    void setAxisMaxSliderX(QSlider *slider) { m_axisMaxSliderX = slider; }
+    void setAxisMinSliderZ(QSlider *slider) { m_axisMinSliderZ = slider; }
+    void setAxisMaxSliderZ(QSlider *slider) { m_axisMaxSliderZ = slider; }
+
+    void adjustXMin(int min);
+    void adjustXMax(int max);
+    void adjustZMin(int min);
+    void adjustZMax(int max);
+
+public Q_SLOTS:
+    void enableSqrtSinModel(bool enable);
+    void enableHeightMapModel(bool enable);
+    void enableTopographyModel(bool enable);
+
+    void toggleItemOne(bool show);
+    void toggleItemTwo(bool show);
+    void toggleItemThree(bool show);
+    void toggleSeeThrough(bool seethrough);
+    void toggleOilHighlight(bool highlight);
+    void toggleShadows(bool shadows);
+    void toggleSurfaceTexture(bool enable);
+
+private:
+    void setAxisXRange(float min, float max);
+    void setAxisZRange(float min, float max);
+    void fillSqrtSinProxy();
+    void handleElementSelected(QAbstract3DGraph::ElementType type);
+    void resetSelection();
+
+private:
+    Q3DSurface *m_graph = nullptr;
+    QSurfaceDataProxy *m_sqrtSinProxy = nullptr;
+    QSurface3DSeries *m_sqrtSinSeries = nullptr;
+    QHeightMapSurfaceDataProxy *m_heightMapProxyOne = nullptr;
+    QHeightMapSurfaceDataProxy *m_heightMapProxyTwo = nullptr;
+    QHeightMapSurfaceDataProxy *m_heightMapProxyThree = nullptr;
+    QSurface3DSeries *m_heightMapSeriesOne = nullptr;
+    QSurface3DSeries *m_heightMapSeriesTwo = nullptr;
+    QSurface3DSeries *m_heightMapSeriesThree = nullptr;
+
+    QSlider *m_axisMinSliderX = nullptr;
+    QSlider *m_axisMaxSliderX = nullptr;
+    QSlider *m_axisMinSliderZ = nullptr;
+    QSlider *m_axisMaxSliderZ = nullptr;
+    float m_rangeMinX = 0.f;
+    float m_rangeMinZ = 0.f;
+    float m_stepX = 0.f;
+    float m_stepZ = 0.f;
+    int m_heightMapWidth = 0;
+    int m_heightMapHeight = 0;
+
+    QLabel *m_textField = nullptr;
+    QPropertyAnimation *m_selectionAnimation = nullptr;
+    QCustom3DLabel *m_titleLabel = nullptr;
+    QCustom3DItem *m_previouslyAnimatedItem = nullptr;
+    QVector3D m_previousScaling = {};
+
+    TopographicSeries *m_topography = nullptr;
+    HighlightSeries *m_highlight = nullptr;
+    int m_highlightWidth = 0;
+    int m_highlightHeight = 0;
+
+    CustomInputHandler *m_customInputHandler = nullptr;
+    Q3DInputHandler *m_defaultInputHandler = new Q3DInputHandler();
+};
+
+#endif // SURFACEGRAPHMODIFIER_H