Class DGraphViewItem.view_item

class ['a] view_item : fill:bool -> delay:bool -> view:common_view -> pos:float * float -> ops_list:XDotDraw.operation list list -> item:'a -> object .. end

ViewItem class. Group of shapes and texts

Inherits

GnoCanvas.group May the item be displayed non instantaneously?

method item : 'a

method zoom_text : float -> unit

method highlight : ?color:int32 * int32 -> unit -> unit

Change the color of the item. May be cancelled by dehighlight. If color is primary,secondary, then primary is used except if the current color is primary. In this case, secondary is used.

method dehighlight : unit -> unit

Cancel highlight.

method show : unit -> unit

method hide : unit -> unit

method center : unit -> unit

method connect_event : callback:(GnoCanvas.item_event -> bool) -> unit

method compute : unit -> unit

apply all delayed operations

method lower_to_bottom : unit -> unit