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.