{ $description "A key which may be set in the hashtable passed to " { $link define-operation } ". If set to a true value, this operation becomes the default operation performed when " { $snippet "RET" } " is pressed in a " { $link list } " gadget where the current selection is a presentation matching the operation's predicate." } ;
HELP:list
{ $class-description
"A list " { $link control } " is backed by a " { $link model } " holding a sequence of objects, and displays as a list of " { $link presentation } " instances of these objects."
$nl
"Lists are created by calling " { $link <list> } "."
{ $command-map list "keyboard-navigation" }
} ;
HELP:<list>
{ $values { "hook""a quotation with stack effect " { $snippet "( list -- )" } } { "presenter""a quotation with stack effect " { $snippet "( object -- label )" } } { "model" model } { "gadget" list } }
{ $description "Creates a new " { $link list } "."
$nl
"The model value must be a sequence. The list displays presentations of elements with labels obtained by applying the " { $snippet "presenter" } " quotation to each object. The " { $snippet "hook" } " quotation is called when a presentation is selected." } ;
HELP:list-value
{ $values { "list" list } { "object"object } }
{ $description "Outputs the currently selected list value." } ;