char-elt
Factor handbook » UI framework » Building user interfaces » Pre-made UI gadgets » Editor gadgets » Documents » Document elements

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Vocabulary
documents.elements

Class description
An element representing a single character. The prev-elt and next-elt words return the location of the previous and next character from the current location.

See also
one-char-elt

Definition

IN: documents.elements

SINGLETON: char-elt

Methods

USING: documents.elements documents.elements.private kernel
unicode ;

M: char-elt next-elt
    drop [ [ first-grapheme-from ] modify-col ] next ;


USING: documents.elements documents.elements.private kernel
unicode ;

M: char-elt prev-elt
    drop [ [ last-grapheme-from ] modify-col ] prev ;