qt滚动条样式设计

/* 整个垂直滚动条区域样式 */
QScrollBar:vertical {
  border: none;
  background: rgb(30, 30, 30);
  width: 10px;
  margin: 0px 0 0px 0;
}

/* 整个水平滚动条区域样式 */
QScrollBar:horizontal {
  border: none;
  background: rgb(30, 30, 30);
  height: 10px;
  margin: 0px 0 0px 0;
}

/* 滑块区域样式 */
QScrollBar::handle:vertical {
  background: rgb(66, 66, 66);
  min-height: 20px;
  border-radius: 5px;
  border: none;
  /* margin: 0 1px 0 1px; */
}

QScrollBar::handle:horizontal {
  background: rgb(66, 66, 66);
  min-height: 20px;
  border-radius: 5px;
  border: none;
}

/* 鼠标滑过滑块样式 */
QScrollBar::handle:vertical:hover,
QScrollBar::handle:vertical:pressed {
  background: rgb(79, 79, 79);
  /* margin: 0 0 0 0; */
}

QScrollBar::handle:horizontal:hover,
QScrollBar::handle:horizontal:pressed {
  background: rgb(79, 79, 79);
}

/* 向下箭头样式 */
QScrollBar::add-line:vertical {
  border: none;
  background: none;
  height: 0px;
  subcontrol-position: bottom;
  subcontrol-origin: margin;
}

/* 向右箭头样式 */
QScrollBar::add-line:horizontal {
  border: none;
  background: none;
  height: 0px;
  subcontrol-position: bottom;
  subcontrol-origin: margin;
}

/* 向上箭头样式 */
QScrollBar::sub-line:vertical {
  border: none;
  background: none;
  height: 0px;
  subcontrol-position: top;
  subcontrol-origin: margin;
}

/* 向左箭头样式 */
QScrollBar::sub-line:horizontal {
  border: none;
  background: none;
  height: 0px;
  subcontrol-position: top;
  subcontrol-origin: margin;
}

/* 滚动条上面和下面区域样式 */
QScrollBar::sub-page:vertical,
QScrollBar::add-page:vertical {
  background: none;
  width: 0px;
  height: 0px;
}

/* 滚动条左面和右面区域样式 */
QScrollBar::sub-page:horizontal,
QScrollBar::add-page:horizontal {
  background: none;
  width: 0px;
  height: 0px;
}