blob: 6b1567910030c7698f503c5b2315f5f7f1737cde (
plain)
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
|
#ifndef TRANSITIONCONTROL_H
#define TRANSITIONCONTROL_H
#include <QQuickItem>
/*
* This component emits signals indicating how far from its left edge is the
* mouse since the mouse button was pressed (starting from t == 1.0 with 0.0
* being exactly at the left edge). As the mouse is released, it emits periodic
* signals incrementing the value until it is restored to the default.
*/
class TransitionControl :
public QQuickItem
{
Q_OBJECT
public:
TransitionControl(QQuickItem *parent = 0);
double t() const { return m_t; }
signals:
void tChanged(double t) const;
public slots:
void setT(double t);
protected:
void mousePressEvent(QMouseEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
private:
double m_t;
// The x pos where interaction started
int m_startPos;
bool m_shouldRewind;
// Controls the smooth rewind transition
QThread *m_rewindThread;
};
#endif // TRANSITIONCONTROL_H
|
