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Manual Reference Pages  -  PRIMA::SCROLLWIDGET (3)

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NAME

Prima::ScrollWidget - scrollable generic document widget.

CONTENTS

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.
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perl v5.20.3 PRIMA::SCROLLWIDGET (3) 2015-02-17

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