void XtSetSensitive(
register Widget widget,
_XtBoolean sensitive)
{
Arg args[1];
register Cardinal i;
register WidgetList children;
WIDGET_TO_APPCON(widget);
LOCK_APP(app);
if (widget->core.sensitive == sensitive) {
UNLOCK_APP(app);
return;
}
XtSetArg(args[0], XtNsensitive, sensitive);
XtSetValues(widget, args, XtNumber(args));
/* If widget's ancestor_sensitive is TRUE, propagate new sensitive to
children's ancestor_sensitive; else do nothing as children's
ancestor_sensitive is already FALSE */
if (widget->core.ancestor_sensitive && XtIsComposite (widget)) {
children = ((CompositeWidget) widget)->composite.children;
for (i = 0; i < ((CompositeWidget)widget)->composite.num_children; i++){
SetAncestorSensitive (children[i], sensitive);
}
}
UNLOCK_APP(app);
} /* XtSetSensitive */
static void SetAncestorSensitive(
register Widget widget,
Boolean ancestor_sensitive)
{
Arg args[1];
register Cardinal i;
register WidgetList children;
if (widget->core.ancestor_sensitive == ancestor_sensitive) return;
XtSetArg(args[0], XtNancestorSensitive, ancestor_sensitive);
XtSetValues(widget, args, XtNumber(args));
/* If widget's sensitive is TRUE, propagate new ancestor_sensitive to
children's ancestor_sensitive; else do nothing as children's
ancestor_sensitive is already FALSE */
if (widget->core.sensitive && XtIsComposite(widget)) {
children = ((CompositeWidget) widget)->composite.children;
for (i=0; i < ((CompositeWidget)widget)->composite.num_children; i++) {
SetAncestorSensitive (children[i], ancestor_sensitive);
}
}
} /* SetAncestorSensitive */