Don't automatically redraw the edit box; this allows better inheritance.

src/hci/mucurses/widgets/editbox.c

 	mvwprintw ( box->win, box->row, box->col, "%s", buf );
 	wmove ( box->win, box->row, ( box->col + cursor_offset ) );
 }
-
-/**
- * Edit text box widget
- *
- * @v box		Editable text box widget
- * @v key		Key pressed by user
- * @ret key		Key returned to application, or zero
- *
- */
-int edit_editbox ( struct edit_box *box, int key ) {
-
-	/* Update the string itself */
-	key = edit_string ( &box->string, key );
-
-	/* Update the display */
-	draw_editbox ( box );
-
-	return key;
-}

src/include/gpxe/editbox.h

 			   WINDOW *win, unsigned int row, unsigned int col,
 			   unsigned int width );
 extern void draw_editbox ( struct edit_box *box );
-extern int edit_editbox ( struct edit_box *box, int key );
+
+/**
+ * Edit text box widget
+ *
+ * @v box		Editable text box widget
+ * @v key		Key pressed by user
+ * @ret key		Key returned to application, or zero
+ *
+ * You must call draw_editbox() to update the display after calling
+ * edit_editbox().
+ *
+ */
+static inline int edit_editbox ( struct edit_box *box, int key ) {
+	return edit_string ( &box->string, key );
+}
 
 #endif /* _GPXE_EDITBOX_H */