XmGetDestination - Man Page

#include <Xm/Xm.h>
Widget XmGetDestination(
Display *display);

XmGetDestination returns the widget that is the current destination on the specified display. The destination is generally the last editable widget on which a select, edit, insert, or paste operation was performed and is the destination for quick paste and certain clipboard functions. The destination is NULL until a keyboard or mouse operation has been done on an editable widget. Refer to the Motif Programmer's Guide for a description of keyboard focus.

display

Specifies the display whose destination widget is to be queried

Returns the widget ID for the current destination or NULL if there is no current destination.