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29
30#ifndef CUSTOMINPUTHANDLER_H
31#define CUSTOMINPUTHANDLER_H
32
33#include <QtDataVisualization/Q3DInputHandler>
34#include <QtDataVisualization/QAbstract3DGraph>
35#include <QtDataVisualization/QValue3DAxis>
36#include "highlightseries.h"
37
38using namespace QtDataVisualization;
39
40class CustomInputHandler : public Q3DInputHandler
41{
42 Q_OBJECT
43
44 enum InputState {
45 StateNormal = 0,
46 StateDraggingX,
47 StateDraggingZ,
48 StateDraggingY
49 };
50
51public:
52 explicit CustomInputHandler(QAbstract3DGraph *graph, QObject *parent = 0);
53
54 inline void setLimits(float min, float max, float minRange) {
55 m_areaMinValue = min;
56 m_areaMaxValue = max;
57 m_axisXMinValue = m_areaMinValue;
58 m_axisXMaxValue = m_areaMaxValue;
59 m_axisZMinValue = m_areaMinValue;
60 m_axisZMaxValue = m_areaMaxValue;
61 m_axisXMinRange = minRange;
62 m_axisZMinRange = minRange;
63 }
64 inline void setAxes(QValue3DAxis *axisX, QValue3DAxis *axisY, QValue3DAxis *axisZ) {
65 m_axisX = axisX;
66 m_axisY = axisY;
67 m_axisZ = axisZ;
68 }
69 inline void setAspectRatio(float ratio) { m_aspectRatio = ratio; }
70 inline void setHighlightSeries(HighlightSeries *series) { m_highlight = series; }
71 inline void setDragSpeedModifier(float modifier) { m_speedModifier = modifier; }
72
73 virtual void mousePressEvent(QMouseEvent *event, const QPoint &mousePos);
74 virtual void mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos);
75 virtual void mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos);
76 virtual void wheelEvent(QWheelEvent *event);
77
78private:
79 void handleElementSelected(QAbstract3DGraph::ElementType type);
80 void handleAxisDragging();
81 void checkConstraints();
82
83private:
84 HighlightSeries *m_highlight;
85 bool m_mousePressed;
86 InputState m_state;
87 QValue3DAxis *m_axisX;
88 QValue3DAxis *m_axisY;
89 QValue3DAxis *m_axisZ;
90 float m_speedModifier;
91 float m_aspectRatio;
92 float m_axisXMinValue;
93 float m_axisXMaxValue;
94 float m_axisXMinRange;
95 float m_axisZMinValue;
96 float m_axisZMaxValue;
97 float m_axisZMinRange;
98 float m_areaMinValue;
99 float m_areaMaxValue;
100};
101
102#endif
103

source code of qtdatavis3d/examples/datavisualization/texturesurface/custominputhandler.h