
Menu contains MenuItems. Menu is also itself a MenuItem when nested inside other Menus.
Slots
- add
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Add a child widget. If child is null, then do nothing. If child is already parented throw ArgErr. Return this.
- open
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This open(Widget parent, Point pos := null)
Open this menu as a popup at the coordinates relative to the parent widget. If the pos is null, then open at the location of the mouse click. This method blocks until the menu is closed.
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static internal Str openId := "open"