Right Click Menus - a single button that pops a radial menu when Right-clicked. The menu disappears when a button is clicked or the mouse leaves the group.

• 右键点击菜单按钮,一个按钮在右键点击时出现一组菜单,菜单在单击按钮或者鼠标离开组的范围时自动隐藏。