src/swipl-devel/packages/xpce/man/refmanual/md/lbox.md

In rswipl: Embed 'SWI'-'Prolog'

class lbox {#class-lbox}

Typesetting list-box: a device that lays out child graphicals vertically inside a fixed pixel width, similar to a TeX \vbox. Used by the typesetting helpers in classes parbox, hbox and tbox.

@see class parbox @see class hbox @see class tbox

Send methods {#class-lbox-send}

• lbox->initialise: width=[0..] Create an lbox object of the specified pixel width.

• lbox->append: graphical Append a child graphical and trigger a re-layout.

• lbox->compute Recompute the layout of the contained graphicals.

• lbox->geometry: x=[int], y=[int], width=[int], height=[int] Standard graphical->geometry override that re-flows the contents when the width changes.

rswipl documentation built on June 16, 2026, 5:07 p.m.