NAME¶

Prima::ScrollWidget - scrollable generic document widget.

DESCRIPTION¶

"Prima::ScrollWidget" is a simple class that declares two pairs of properties, delta and limit for vertical and horizontal axes, which define a a virtual document. limit is the document dimension, and delta is the current offset. "Prima::ScrollWidget" is a descendant of "Prima::GroupScroller", and, as well as its ascendant, provides same user navigation by two scrollbars. The scrollbars' "partial" and "whole" properties are maintained if the document or widget extensions change.

API¶

Properties¶

deltas X, Y

Selects horizontal and vertical document offsets.

deltaX INTEGER

Selects horizontal document offset.

deltaY INTEGER

Selects vertical document offset.

limits X, Y

Selects horizontal and vertical document extensions.

limitX INTEGER

Selects horizontal document extension.

limitY INTEGER

Selects vertical document extension.

Events¶

Scroll DX, DY

Called whenever the client area is to be scrolled. The default action calls "Widget::scroll" .

AUTHOR¶

Dmitry Karasik, <dmitry@karasik.eu.org>.

SEE ALSO¶

Prima, Prima::ImageViewer, Prima::IntUtils, Prima::ScrollBar, examples/e.pl.