1Prima::ScrollWidget(3)User Contributed Perl DocumentationPrima::ScrollWidget(3)
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6 Prima::ScrollWidget - scrollable generic document widget.
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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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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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45 Dmitry Karasik, <dmitry@karasik.eu.org>.
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48 Prima, Prima::ImageViewer, Prima::IntUtils, Prima::ScrollBar,
49 examples/e.pl.
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53perl v5.30.0 2019-08-21 Prima::ScrollWidget(3)