1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
#ifndef CUSTOMGESTURERECOGNIZER_H
#define CUSTOMGESTURERECOGNIZER_H
#include "qgesturerecognizer.h"
#include "qgesture.h"
#include "qevent.h"
class SingleshotEvent : public QEvent
{
public:
static const int Type = QEvent::User + 1;
SingleshotEvent() : QEvent(QEvent::Type(Type)) { }
};
class SingleshotGesture : public QGesture
{
Q_OBJECT
public:
SingleshotGesture(QObject *parent, const QString &type)
: QGesture(parent, type) { }
QPoint offset;
protected:
void translate(const QPoint &pt)
{
offset += pt;
}
};
class SingleshotGestureRecognizer : public QGestureRecognizer
{
Q_OBJECT
public:
static const char *Name;
SingleshotGestureRecognizer(QObject *parent = 0);
QGestureRecognizer::Result filterEvent(const QEvent *event);
QGesture* getGesture() { return gesture; }
void reset();
private:
SingleshotGesture *gesture;
};
struct TouchPoint {
enum State
{
None,
Begin,
Update,
End
};
int id;
QPoint pt;
State state;
TouchPoint() : id(0), state(None) { }
TouchPoint(int id_, int x_, int y_, State state_) : id(id_), pt(x_, y_), state(state_) { }
};
class TouchEvent : public QEvent
{
public:
static const int Type = QEvent::User + 2;
TouchEvent()
: QEvent(QEvent::Type(Type))
{
}
TouchPoint points[2];
};
class PinchGesture : public QGesture
{
Q_OBJECT
public:
PinchGesture(QObject *parent, const QString &type)
: QGesture(parent, type) { }
TouchPoint startPoints[2];
TouchPoint lastPoints[2];
TouchPoint points[2];
QPoint offset;
protected:
void translate(const QPoint &pt)
{
offset += pt;
}
};
class PinchGestureRecognizer : public QGestureRecognizer
{
Q_OBJECT
public:
static const char *Name;
PinchGestureRecognizer(QObject *parent = 0);
QGestureRecognizer::Result filterEvent(const QEvent *event);
QGesture* getGesture() { return gesture; }
void reset();
private:
PinchGesture *gesture;
};
class SecondFingerGesture : public QGesture
{
Q_OBJECT
public:
SecondFingerGesture(QObject *parent, const QString &type)
: QGesture(parent, type) { }
TouchPoint startPoint;
TouchPoint lastPoint;
TouchPoint point;
QPoint offset;
protected:
void translate(const QPoint &pt)
{
offset += pt;
}
};
class SecondFingerGestureRecognizer : public QGestureRecognizer
{
Q_OBJECT
public:
static const char *Name;
SecondFingerGestureRecognizer(QObject *parent = 0);
QGestureRecognizer::Result filterEvent(const QEvent *event);
QGesture* getGesture() { return gesture; }
void reset();
private:
SecondFingerGesture *gesture;
};
#endif
|
