30 lines
813 B
C++
30 lines
813 B
C++
|
#include "seekableslider.h"
|
||
|
|
|
||
|
|
SeekableSlider::SeekableSlider(QWidget *parent) :
|
||
|
|
QSlider(parent)
|
||
|
|
{
|
||
|
|
//关闭分段移动
|
||
|
|
setSingleStep(0);
|
||
|
|
setPageStep(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
//点击Slider即可调节Value
|
||
|
|
//只写了横向模式的Slider……
|
||
|
|
void SeekableSlider::mousePressEvent(QMouseEvent *event)
|
||
|
|
{
|
||
|
|
if (event->buttons() & Qt::LeftButton) {
|
||
|
|
QSlider::mousePressEvent(event);
|
||
|
|
double pos = event->pos().x() / (double)width();
|
||
|
|
setValue(pos * (maximum() - minimum()) + minimum());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void SeekableSlider::mouseMoveEvent(QMouseEvent *event)
|
||
|
|
{
|
||
|
|
if (event->buttons() & Qt::LeftButton) {
|
||
|
|
QSlider::mousePressEvent(event);
|
||
|
|
double pos = event->pos().x() / (double)width();
|
||
|
|
setValue(pos * (maximum() - minimum()) + minimum());
|
||
|
|
}
|
||
|
|
}
|