unparent ( gadget -- )
Factor handbook » UI framework » Building user interfaces » Gadget hierarchy and layouts » Layout basics

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Vocabulary
ui.gadgets

Inputs

gadget

a gadget

Outputs
None

Word description
Removes the gadget from its parent. This will relayout the parent.

Notes
This may result in ungraft* being called on the gadget and its children, if the gadget's parent is visible on the screen.

Definition

USING: accessors combinators kernel sequences ui.gadgets.private
;

IN: ui.gadgets

: unparent ( gadget -- )
    not-in-layout [
        dup parent>> [
            {
                [ remove-gadget ]
                [ drop (unparent) ]
                [ unfocus-gadget ]
                [ children>> remove! drop ]
                [ nip relayout ]
            } 2cleave
        ] [ drop ] if*
    ] when* ;