XtIsSensitive man page on Ultrix

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XtSetSensitive(3Xt)		     X11R5		   XtSetSensitive(3Xt)

NAME
       XtSetSensitive, XtIsSensitive - set and check a widget's sensitivity
       state

SYNTAX
       void XtSetSensitive(w, sensitive)
	     Widget w;
	     Boolean sensitive;

       Boolean XtIsSensitive(w)
	    Widget w;

ARGUMENTS
       sensitive Specifies a Boolean value that indicates whether the widget
		 should receive keyboard and pointer events.

       w	 Specifies the widget.

DESCRIPTION
       The function first calls on the current widget with an argument list
       specifying that the sensitive field should change to the new value.  It
       then recursively propagates the new value down the managed children
       tree by calling on each child to set the ancestor_sensitive to the new
       value if the new values for sensitive and the child's ancestor_sensi‐
       tive are not the same.

       calls to change sensitive and ancestor_sensitive.  Therefore, when one
       of these changes, the widget's set_values procedure should take what‐
       ever display actions are needed (for example, greying out or stippling
       the widget).

       maintains the invariant that if parent has either sensitive or ances‐
       tor_sensitive then all children have ancestor_sensitive

       The function returns or to indicate whether or not user input events
       are being dispatched.  If both core.sensitive and core.ancestor_sensi‐
       tive are returns otherwise, it returns

SEE ALSO
       X Toolkit Intrinsics - C Language Interface
       Xlib - C Language X Interface

							   XtSetSensitive(3Xt)
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