Returns the ID of the widget that has keyboard focus
Format
#include <Xm/Xm.h> Widget XmGetFocusWidget Widget widget
DESCRIPTION
XmGetFocusWidget examines the hierarchy that contains the specified widget and returns the ID of the widget that has keyboard focus. The function extracts the widget ID from the associated Shell widget; therefore, the specified widget can be located anywhere in the hierarchy.
RETURN
Returns the ID of the widget with keyboard focus. If no child of the Shell has focus, the function returns NULL.
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