进程：

• 选项 对象
  • mode String (optional) - The selection mode of the control:
    • single - Default. One item selected at a time, selecting one deselects the previously selected item. Maps to NSSegmentSwitchTrackingSelectOne.
    • multiple - 可以选多个项。 Maps to NSSegmentSwitchTrackingSelectAny.
    • buttons - 将段作为按钮使用, 每一段都可以被按下和释放但是不会被标记为激活状态 Maps to NSSegmentSwitchTrackingMomentary.
  • segments SegmentedControlSegment[] - 被放到控件中的段的集合
  • selectedIndex Integer (optional) - 当前选中的段的下标, 这个值会在用户交互时自动更改 When the mode is it will be the last selected item.
  • change Function (optional) - Called when the user selects a new segment.
    • isSelected Boolean - 当前段的选中状态

实例属性

touchBarSegmentedControl.segmentStyle

A String representing the controls current segment style. Updating this value immediately updates the control in the touch bar.

touchBarSegmentedControl.segments

touchBarSegmentedControl.selectedIndex

Integer类型表示的当前选中段 改变这个值会立即触发更新当前段 用户对触摸条的操作会自动更新这个值

touchBarSegmentedControl.mode