Function gtk::functions::test_find_sibling
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This function will search siblings of base_widget
and siblings of its
ancestors for all widgets matching widget_type
.
Of the matching widgets, the one that is geometrically closest to
base_widget
will be returned.
The general purpose of this function is to find the most likely “action”
widget, relative to another labeling widget. Such as finding a
button or text entry widget, given its corresponding label widget.
base_widget
Valid widget, part of a widget hierarchy
widget_type
Type of a aearched for sibling widget
Returns
a widget of type widget_type
if any is found.