1 files changed, 76 insertions, 0 deletions
diff --git a/examples/datavisualization/graphgallery/custominputhandler.h b/examples/datavisualization/graphgallery/custominputhandler.h
new file mode 100644
index 00000000..a28b5851
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+++ b/examples/datavisualization/graphgallery/custominputhandler.h
@@ -0,0 +1,76 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef CUSTOMINPUTHANDLER_H
+#define CUSTOMINPUTHANDLER_H
+
+#include "highlightseries.h"
+
+#include <QtDataVisualization/q3dinputhandler.h>
+#include <QtDataVisualization/qabstract3dgraph.h>
+#include <QtDataVisualization/qvalue3daxis.h>
+
+class CustomInputHandler : public Q3DInputHandler
+{
+    Q_OBJECT
+
+    enum InputState {
+        StateNormal = 0,
+        StateDraggingX,
+        StateDraggingZ,
+        StateDraggingY
+    };
+
+public:
+    explicit CustomInputHandler(QAbstract3DGraph *graph, QObject *parent = 0);
+
+    inline void setLimits(float min, float max, float minRange) {
+        m_areaMinValue = min;
+        m_areaMaxValue = max;
+        m_axisXMinValue = m_areaMinValue;
+        m_axisXMaxValue = m_areaMaxValue;
+        m_axisZMinValue = m_areaMinValue;
+        m_axisZMaxValue = m_areaMaxValue;
+        m_axisXMinRange = minRange;
+        m_axisZMinRange = minRange;
+    }
+    inline void setAxes(QValue3DAxis *axisX, QValue3DAxis *axisY, QValue3DAxis *axisZ) {
+        m_axisX = axisX;
+        m_axisY = axisY;
+        m_axisZ = axisZ;
+    }
+    inline void setAspectRatio(float ratio) { m_aspectRatio = ratio; }
+    inline void setHighlightSeries(HighlightSeries *series) { m_highlight = series; }
+    inline void setDragSpeedModifier(float modifier) { m_speedModifier = modifier; }
+
+protected:
+    virtual void mousePressEvent(QMouseEvent *event, const QPoint &mousePos);
+    virtual void mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos);
+    virtual void mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos);
+    virtual void wheelEvent(QWheelEvent *event);
+
+private:
+    void handleElementSelected(QAbstract3DGraph::ElementType type);
+    void handleAxisDragging();
+    void checkConstraints();
+
+private:
+    HighlightSeries *m_highlight = nullptr;
+    bool m_mousePressed = false;
+    InputState m_state = StateNormal;
+    QValue3DAxis *m_axisX = nullptr;
+    QValue3DAxis *m_axisY = nullptr;
+    QValue3DAxis *m_axisZ = nullptr;
+    float m_speedModifier = 20.f;
+    float m_aspectRatio = 0.f;
+    float m_axisXMinValue = 0.f;
+    float m_axisXMaxValue = 0.f;
+    float m_axisXMinRange = 0.f;
+    float m_axisZMinValue = 0.f;
+    float m_axisZMaxValue = 0.f;
+    float m_axisZMinRange = 0.f;
+    float m_areaMinValue = 0.f;
+    float m_areaMaxValue = 0.f;
+};
+
+#endif