Class Menu.menuSource

Menu widget.

A menu inherited from Pack.box to arrange its items. Regular menus have vertical orientation (i.e. items are packed vertically, but horizontal orientation is supported.

inherit Stk.Pack.box
method close : unit

Close the menu window if it exists (i.e. if menu is displayed). This also closes windows attached to the submenus of its items.

method popup : ?x:int -> ?y:int -> ?on_close:(bool -> unit) -> unit -> unit

Create a new window to display the menu. Optional parameters:

  • x and y for top-left coordoninates of the window. Default is to use mouse position.
  • on_close specifies a function to be called when the menu is closed. Argument indicates if the menu is the last still displayed.
method add_item : ?pos:int -> menuitem -> unit

Menu items must be added using this method rather than (inherited) #pack. pos can be used to specify the 0-based position of the item among items already present. Default is to insert after all existing items.

method append_item : menuitem -> unit

Same as menu.add_item but insert item as last item.

method prepend_item : menuitem -> unit

Same as menu.add_item but insert item as first item.

method remove_item : menuitem -> unit

Menu items must be removed using this method rather than (inherited) #unpack.

method clear_items : unit

Removes all items.