33 lines
1.6 KiB
Factor
33 lines
1.6 KiB
Factor
USING: ui.gadgets.packs help.markup help.syntax ui.gadgets
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arrays kernel quotations classes.tuple ;
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IN: ui.gadgets.tracks
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ARTICLE: "ui-track-layout" "Track layouts"
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"Track gadgets are like " { $link "ui-pack-layout" } " except each child is resized to a fixed multiple of the track's dimension."
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{ $subsections track }
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"Creating empty tracks:"
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{ $subsections <track> }
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"Adding children:"
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{ $subsections track-add } ;
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HELP: <track>
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{ $values { "orientation" "an orientation specifier" } { "track" "a new " { $link track } } }
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{ $description "Creates a new track which lays out children along the given orientation, either " { $link horizontal } " or " { $link vertical } "." } ;
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HELP: new-track
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{ $values
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{ "orientation" "an orientation specifier" }
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{ "class" "a gadget class" }
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{ "track" gadget }
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}
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{ $description "Creates a new container gadget of the specified class and sets its children lay out to either " { $link horizontal } " or " { $link vertical } "." } ;
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HELP: track
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{ $class-description "A track is like a " { $link pack } " except each child is resized to a fixed multiple of the track's dimension in the direction of " { $snippet "orientation" } ". Tracks are created by calling " { $link <track> } "." } ;
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HELP: track-add
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{ $values { "track" track } { "gadget" gadget } { "constraint" "a number between 0 and 1, or " { $link f } } }
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{ $description "Adds a new child to a track. If the constraint is " { $link f } ", the child always occupies its preferred size. Otherwise, the constrant is a fraction of the total size which is allocated for the child." } ;
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ABOUT: "ui-track-layout"
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