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29
30#ifndef AXESINPUTHANDLER_H
31#define AXESINPUTHANDLER_H
32
33#include <QtDataVisualization/Q3DInputHandler>
34#include <QtDataVisualization/QAbstract3DGraph>
35#include <QtDataVisualization/QValue3DAxis>
36
37using namespace QtDataVisualization;
38
39//! [0]
40class AxesInputHandler : public Q3DInputHandler
41//! [0]
42{
43 Q_OBJECT
44
45 enum InputState {
46 StateNormal = 0,
47 StateDraggingX,
48 StateDraggingZ,
49 StateDraggingY
50 };
51
52public:
53 explicit AxesInputHandler(QAbstract3DGraph *graph, QObject *parent = 0);
54
55 inline void setAxes(QValue3DAxis *axisX, QValue3DAxis *axisZ, QValue3DAxis *axisY) {
56 m_axisX = axisX;
57 m_axisZ = axisZ;
58 m_axisY = axisY;
59 }
60
61 //! [1]
62 inline void setDragSpeedModifier(float modifier) { m_speedModifier = modifier; }
63 //! [1]
64
65 virtual void mousePressEvent(QMouseEvent *event, const QPoint &mousePos);
66 virtual void mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos);
67 virtual void mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos);
68
69private:
70 void handleElementSelected(QAbstract3DGraph::ElementType type);
71 void handleAxisDragging();
72
73private:
74 bool m_mousePressed;
75 InputState m_state;
76 QValue3DAxis *m_axisX;
77 QValue3DAxis *m_axisZ;
78 QValue3DAxis *m_axisY;
79 float m_speedModifier;
80};
81
82#endif
83

source code of qtdatavis3d/examples/datavisualization/draggableaxes/axesinputhandler.h