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method
child : (is-a?/c graph-snip<%>)
Adds a child of this snip. Instead of calling this method,
consider using the add-links function.
method
(send a-graph-snip add-parent parent) → void?
parent : (is-a?/c graph-snip<%>)
(send a-graph-snip add-parent parent mouse-over-pen mouse-off-pen mouse-over-brush mouse-off-brush) → void? parent : (is-a?/c graph-snip<%>) mouse-over-pen : (or/c false/c (is-a?/c pen%)) mouse-off-pen : (or/c false/c (is-a?/c pen%)) mouse-over-brush : (or/c false/c (is-a?/c brush%)) mouse-off-brush : (or/c false/c (is-a?/c brush%))
Adds a parent of this snip. Instead of calling this
method, consider using the add-links function.
method
(send a-graph-snip get-children) → (listof snip%)
returns a list of snips that implement
graph-snip<%>. Each of these snips will have a line
drawn from it, pointing at this snip.
method
(send a-graph-snip get-parents) → (listof graph-snip<%>)
Returns a list of snips that implement graph-snip<%>. Each
of these snips will have a line drawn to it, starting from
this snip.
method
(send a-graph-snip remove-child child) → void?
child : (is-a?/c graph-snip<%>)
Removes a child snip from this snip. Be sure to remove
this snip as a parent from the argument, too.
Instead of calling this method, consider using the
remove-links function.
method
(send a-graph-snip remove-parent parent) → void?
parent : (is-a?/c graph-snip<%>)
Removes a parent snip from this snip. Be sure to remove this
snip as a child from the argument, too.
Instead of calling this method, consider using the
remove-links function.
method
(send a-graph-snip set-parent-link-label parent label) → void? parent : (is-a?/c graph-snip<%>) label : (or/c false/c string/)
Changes the label on the edge going to the parent to be
label. Ignored if no such egde exists.