Style parameter that determines the visual feedback for the selection.
The possible values are:
- show_selection_only
- Only applicable when menu
<->multiple_selection
equals @off.
In this mode, only the selected item is displayed. Used to implement menu<->kind.
- box
- Draw a box around the selected
item(s). The thickness of
the line equals the pen of the menu plus 1.
- invert
- Invert the selected
item(s). Used to implement‘Menu menu->kind:
choice’. Note that inverting images gives strange results on
colour displays.
- image
- Indicate the selection by painting menu
<-off_image
left of not-selected items and menu<-on_image
left of selected items. Used to implement menu->kindmarked or toggle`.
- See also
- - menu_item
-selected
- menu-kind
