Handbook
Glossary
Pack layouts
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UI framework
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Building user interfaces
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Gadget hierarchy and layouts
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Layout basics
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Track layouts
Pack gadgets layout their children along a single axis.
pack
Creating empty packs:
<pack>
( orientation -- pack )
<pile>
( -- pack )
<shelf>
( -- pack )
For more control, custom layouts can reuse portions of pack layout logic:
pack-pref-dim
( pack sizes -- dim )
pack-layout
( pack sizes -- )