1Prima::ScrollWidget(3)User Contributed Perl DocumentationPrima::ScrollWidget(3)
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NAME

6       Prima::ScrollWidget - scrollable generic document widget.
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DESCRIPTION

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

20   Properties
21       deltas X, Y
22           Selects horizontal and vertical document offsets.
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24       deltaX INTEGER
25           Selects horizontal document offset.
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27       deltaY INTEGER
28           Selects vertical document offset.
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30       limits X, Y
31           Selects horizontal and vertical document extensions.
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33       limitX INTEGER
34           Selects horizontal document extension.
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36       limitY INTEGER
37           Selects vertical document extension.
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39   Events
40       Scroll DX, DY
41           Called whenever the client area is to be scrolled. The default
42           action calls "Widget::scroll" .
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AUTHOR

45       Dmitry Karasik, <dmitry@karasik.eu.org>.
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SEE ALSO

48       Prima, Prima::ImageViewer, Prima::IntUtils, Prima::ScrollBar,
49       examples/e.pl.
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53perl v5.30.1                      2020-01-30            Prima::ScrollWidget(3)