libXm.so.2.1 is based on OpenMotif 2.1.30 from www.motifzone.net.
The following patches have been applied before building.  For the
most up-to-date information on OpenMotif 2.1 and MATLAB, visit
www.mathworks.com/support and search for "Open Motif".

$Revision: 1.1.2.1 $ $Date: 2003/10/23 12:14:46 $

#--------------------------------------------------------------------

diff -rub motif.orig/lib/Xm/DropSMgr.c motif/lib/Xm/DropSMgr.c
--- motif.orig/lib/Xm/DropSMgr.c	Wed May  3 05:12:39 2000
+++ motif/lib/Xm/DropSMgr.c	Sun Jun 11 18:58:48 2000
@@ -518,6 +518,7 @@
 	dsm->dropManager.rootW = dsm->dropManager.rootH = ~0;
 	dsm->dropManager.clipperList = NULL;
 	dsm->dropManager.updateInfo = NULL;
+	dsm->dropManager.updateTimeOutId = 0;
 
 	/* Patch around broken Xt interfaces */
 	XtGetSubresources(nw, info, NULL, NULL, _XmDSResources,
@@ -530,6 +531,9 @@
 {
 	XmDropSiteManagerObject	dsm = (XmDropSiteManagerObject)w;
 
+	if (dsm->dropManager.updateTimeOutId)
+	    XtRemoveTimeOut(dsm->dropManager.updateTimeOutId);
+	
 	DSMDestroyTable(dsm);
 	_XmRegionDestroy(dsm->dropManager.curAncestorClipRegion);
 	_XmRegionDestroy(dsm->dropManager.newAncestorClipRegion);
@@ -3908,6 +3912,7 @@
 
   /* We don't add a timeout if the record is already marked for update */
   if (clean) {
+    dsm -> dropManager.updateTimeOutId =
     XtAppAddTimeOut(XtWidgetToApplicationContext(shell), 0,
 		    _XmIEndUpdate, dsm);
   }
@@ -3922,6 +3927,13 @@
   Widget shell;
   XmDSInfo shellInfo;
 
+  /* Remove timeout if this is a forced update */
+  if (dsm -> dropManager.updateTimeOutId) {
+    if (interval_id == NULL)
+      XtRemoveTimeOut(dsm -> dropManager.updateTimeOutId);
+    dsm -> dropManager.updateTimeOutId = 0;
+  }
+  
   /* Return if all updates have already happened */
   while(dsm -> dropManager.updateInfo != NULL) {
     dsupdate = (_XmDropSiteUpdateInfo) dsm -> dropManager.updateInfo;
diff -rub motif.orig/lib/Xm/DropSMgrP.h motif/lib/Xm/DropSMgrP.h
--- motif.orig/lib/Xm/DropSMgrP.h	Wed May  3 05:12:39 2000
+++ motif/lib/Xm/DropSMgrP.h	Sun Jun 11 18:58:48 2000
@@ -274,6 +274,7 @@
     Dimension		rootW, rootH;
     XtPointer		clipperList;
     _XmDropSiteUpdateInfo	updateInfo;
+    XtIntervalId	updateTimeOutId;
 } XmDropSiteManagerPart, *XmDropSiteManagerPartPtr;
 
 /* Full instance record declaration */
diff -rub motif.orig/lib/Xm/RCLayout.c motif/lib/Xm/RCLayout.c
--- motif.orig/lib/Xm/RCLayout.c	Wed May  3 05:12:41 2000
+++ motif/lib/Xm/RCLayout.c	Sun Jun 11 18:59:31 2000
@@ -1919,7 +1919,11 @@
      _XmProcessUnlock();
      (*resize) ((Widget) instigator); 
    }
+   if (RC_Boxes(m)) 
+   {
    XtFree ( (char *) RC_Boxes(m));
+     RC_Boxes(m) = 0;
+   }
 }
 
 
diff -rub motif.orig/lib/Xm/ScrolledW.c motif/lib/Xm/ScrolledW.c
--- motif.orig/lib/Xm/ScrolledW.c	Wed May  3 05:12:42 2000
+++ motif/lib/Xm/ScrolledW.c	Sun Jun 11 19:00:50 2000
@@ -1470,7 +1470,8 @@
 DeleteChild(
         Widget child )
 {
-    XmScrolledWindowWidget sw = (XmScrolledWindowWidget) XtParent(child);
+    Widget sf = (Widget) XtParent(child);
+    XmScrolledWindowWidget sw = (XmScrolledWindowWidget) sf;
     XtWidgetProc      delete_child;
     
     if (child == sw->swindow.WorkWindow)
@@ -1480,6 +1481,11 @@
         sw->swindow.hScrollBar = NULL;
     if (child == (Widget) sw->swindow.vScrollBar)
         sw->swindow.vScrollBar = NULL;
+
+#if 1
+    /* Shouldn't we be cleaning up the Navigators added */
+    RemoveNavigator(sf,child);
+#endif
 
     _XmProcessLock();
     delete_child = 
diff -rub motif.orig/lib/Xm/DragC.c motif/lib/Xm/DragC.c
--- motif.orig/lib/Xm/DragC.c	Thu Oct 16 10:08:15 2003
+++ motif/lib/Xm/DragC.c	Thu Oct 16 05:45:58 2003
@@ -662,6 +662,7 @@
         Cardinal *numArgs )
 {
     XmDragContext	dc = (XmDragContext)new_w;
+    dc->drag.currWmRoot = 0;
 
     dc->drag.roundOffTime = 50;
 
@@ -961,6 +962,7 @@
 	 (currReceiverInfo->frame == currReceiverInfo->window))) {
 	Window		currRoot = dc->drag.currWmRoot;
 	int 		root_x, root_y;
+#if 0
         Position	rel_x, rel_y;
 	/* 
 	 * set frame (win) to something reasonable
@@ -978,6 +980,20 @@
 				     &win);
 	if (currReceiverInfo)
 	  currReceiverInfo->frame = win;
+#endif
+       Window		root_w, parent_w, new_parent_w, *children_w;
+       unsigned int	num_children;
+
+       new_parent_w = win;
+
+       do {
+           parent_w = new_parent_w;
+           XQueryTree(XtDisplayOfObject((Widget) dc), parent_w,
+		&root_w, &new_parent_w, &children_w, &num_children);
+           XFree((void *) children_w);
+       } while (new_parent_w && new_parent_w != currRoot);
+       if (currReceiverInfo)
+         currReceiverInfo->frame = parent_w;
     }
 
     if (currReceiverInfo == NULL) {