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XtSetSensitive(3Xt)	   XT FUNCTIONS	      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 XtSetSensitive function first calls XtSetValues 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 XtSetValues on each child to set
       the ancestor_sensitive to the new value if the new values
       for sensitive and the child's ancestor_sensitive are not
       the same.

       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 indi
       cate whether or not user input events are being dis
       patched.	 If both core.sensitive and
       core.ancestor_sensitive are True, XtIsSensitive returns
       True; otherwise, it returns False.

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









X Version 11		   Release 6.1				1


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