XtQueryGeometry - query the preferred geometry of a child widget

intended  Specifies any changes the parent plans to make to the child's geometry or NULL.

       preferred_return
                 Returns the child widget's preferred geometry.

       w         Specifies the widget.

       To discover a child's preferred geometry, the child's parent sets any changes that it intends to make  to
       the  child's  geometry in the corresponding fields of the intended structure, sets the corresponding bits
       in intended.request_mode, and calls XtQueryGeometry.

       XtQueryGeometry clears all bits in the preferred_return->request_mode and checks the query_geometry field
       of the specified widget's class record.   If  query_geometry  is  not  NULL,  XtQueryGeometry  calls  the
       query_geometry  procedure  and  passes  as arguments the specified widget, intended, and preferred_return
       structures.  If the intended argument  is  NULL,  XtQueryGeometry  replaces  it  with  a  pointer  to  an
       XtWidgetGeometry structure with request_mode=0 before calling query_geometry.

       XtQueryGeometry - query the preferred geometry of a child widget

XtConfigureWidget(3), XtMakeGeometryRequest(3)
       XToolkitIntrinsics-CLanguageInterfaceXlib-CLanguageXInterface

X Version 11                                       libXt 1.2.1                                XtQueryGeometry(3)

       #include <X11/Intrinsic.h>

       XtGeometryResult     XtQueryGeometry(Widget     w,     XtWidgetGeometry    *intended,    XtWidgetGeometry
              *preferred_return);