pack-layout ( pack sizes -- ) - Factor Documentation

pack-layout ( pack sizes -- )
Factor handbook » UI framework » Building user interfaces » Gadget hierarchy and layouts » Pack layouts

pack-pref-dim ( pack sizes -- dim )

Vocabulary
ui.gadgets.packs

Inputs

pack	a new pack
sizes	a sequence of pairs of integers

Outputs
None

Word description
Lays out the pack's children along the orientation of the pack, with each gadget receiving its size from the corresponding index of the sizes sequence.

Notes
This word is useful if you are writing your own layout gadget which inherits from pack. This allows you to reuse layout logic while computing gadget sizes using a custom procedure.

Definition

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

IN: ui.gadgets.packs

: pack-layout ( pack sizes -- )
[ packed-dims ] [ drop ] 2bi
[ children>> [ dim<< ] 2each ]
[ [ packed-locs ] [ children>> ] bi [ loc<< ] 2each ] 2bi ;