custominputhandler.h Example File

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#include <QtDataVisualization/Q3DInputHandler>
#include <QtDataVisualization/QAbstract3DGraph>
#include <QtDataVisualization/QValue3DAxis>
#include "highlightseries.h"

using namespace QtDataVisualization;

class CustomInputHandler : public Q3DInputHandler

    enum InputState {
        StateNormal = 0,

    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; }

    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);

    void handleElementSelected(QAbstract3DGraph::ElementType type);
    void handleAxisDragging();
    void checkConstraints();

    HighlightSeries *m_highlight;
    bool m_mousePressed;
    InputState m_state;
    QValue3DAxis *m_axisX;
    QValue3DAxis *m_axisY;
    QValue3DAxis *m_axisZ;
    float m_speedModifier;
    float m_aspectRatio;
    float m_axisXMinValue;
    float m_axisXMaxValue;
    float m_axisXMinRange;
    float m_axisZMinValue;
    float m_axisZMaxValue;
    float m_axisZMinRange;
    float m_areaMinValue;
    float m_areaMaxValue;


© 2016 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.