![在这里插入图片描述](https://img-blog.csdnimg.cn/8cbcdacd3986455c8348b82ba58186c2.png)
QSlider::groove:horizontal {
border: 1px solid #4A708B;
background: #C0C0C0;
height: 30px;
border-radius: 1px;
padding-left:-1px;
padding-right:-1px;
}
QSlider::sub-page:horizontal {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #B1B1B1, stop:1 #c4c4c4);
background: qlineargradient(x1: 0, y1: 0.2, x2: 1, y2: 1,
stop: 0 #5DCCFF, stop: 1 #1874CD);
border: 1px solid #4A708B;
height: 10px;
border-radius: 2px;
}
QSlider::add-page:horizontal {
background: #575757;
border: 0px solid #777;
height: 10px;
border-radius: 2px;
}
QSlider::handle:horizontal
{
background: qradialgradient(spread:pad, cx:0.5, cy:0.5, radius:0.5, fx:0.5, fy:0.5,
stop:0.6 #45ADED, stop:0.778409 rgba(255, 255, 255, 255));
width: 30px;
margin-top: -3px;
margin-bottom: -3px;
border-radius: 5px;
}
QSlider::handle:horizontal:hover {
background: qradialgradient(spread:pad, cx:0.5, cy:0.5, radius:0.5, fx:0.5, fy:0.5, stop:0.6 #2A8BDA,
stop:0.778409 rgba(255, 255, 255, 255));
width: 11px;
margin-top: -3px;
margin-bottom: -3px;
border-radius: 5px;
}
QSlider::sub-page:horizontal:disabled {
background: #00009C;
border-color: #999;
}
QSlider::add-page:horizontal:disabled {
background: #eee;
border-color: #999;
}
QSlider::handle:horizontal:disabled {
background: #eee;
border: 1px solid #aaa;
border-radius: 4px;
}
此外,跳转播放最好使用进度条的released槽函数
void record::on_horizontalSlider_sliderReleased() //使用released槽函数,代表鼠标离开进度条
{
if(playing_record !="")
{
if(playHandle != NULL)
{
long long video_duration;
playMp4_getDuration(playHandle,&video_duration);//获取文件时长
playMp4_setSeek(playHandle,video_duration*ui->horizontalSlider->value()/100);//跳转
}
}
}