Specifies a Boolean value that indicates whether the widget should receive keyboard and pointer events.
Specifies the widget.
XtSetSensitive calls XtSetValues to change sensitive and ancestor_sensitive. Therefore, when one of these changes, the widget's set_values procedure should take whatever display actions are needed (for example, greying out or stippling the widget).
XtSetSensitive maintains the invariant that if parent has either sensitive or ancestor_sensitive False, then all children have ancestor_sensitive False.
The XtIsSensitive function returns True or False to indicate whether or not user input events are being dispatched. If both core.sensitive and core.ancestor_sensitive are True, XtIsSensitive returns True; otherwise, it returns False.
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