25 lines
1.4 KiB
Factor
25 lines
1.4 KiB
Factor
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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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{ $subsection track }
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"Creating empty tracks:"
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{ $subsection <track> }
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"Adding children:"
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{ $subsection track-add } ;
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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 " { $link gadget-orientation } ". Tracks are created by calling " { $link <track> } "." } ;
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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 axis. Children are laid out vertically if the orientation is " { $snippet "{ 0 1 }" } " and horizontally if the orientation is " { $snippet "{ 1 0 }" } "." } ;
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HELP: track-add
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{ $values { "gadget" gadget } { "track" track } { "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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