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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 
38 using namespace QtDataVisualization;
39 
40 class CustomInputHandler : public Q3DInputHandler
41 {
42     Q_OBJECT
43 
44     enum InputState {
45         StateNormal = 0,
46         StateDraggingX,
47         StateDraggingZ,
48         StateDraggingY
49     };
50 
51 public:
52     explicit CustomInputHandler(QAbstract3DGraph *graph, QObject *parent = 0);
53 
setLimits(float min,float max,float minRange)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     }
setAxes(QValue3DAxis * axisX,QValue3DAxis * axisY,QValue3DAxis * axisZ)64     inline void setAxes(QValue3DAxis *axisX, QValue3DAxis *axisY, QValue3DAxis *axisZ) {
65         m_axisX = axisX;
66         m_axisY = axisY;
67         m_axisZ = axisZ;
68     }
setAspectRatio(float ratio)69     inline void setAspectRatio(float ratio) { m_aspectRatio = ratio; }
setHighlightSeries(HighlightSeries * series)70     inline void setHighlightSeries(HighlightSeries *series) { m_highlight = series; }
setDragSpeedModifier(float modifier)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 
78 private:
79     void handleElementSelected(QAbstract3DGraph::ElementType type);
80     void handleAxisDragging();
81     void checkConstraints();
82 
83 private:
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