Fix suggested by Brett Wiren:

The test for "insideness" in TBox::DistancetoPrimitive in the case of
a filled TBox misses the TBox's very edge.  This causes 1 pixel
wide/tall TBoxes to be invisible to pointer interactions.


git-svn-id: http://root.cern.ch/svn/root/trunk@4306 27541ba8-7e3a-0410-8455-c3a389f83636

graf/src/TBox.cxx

-// @(#)root/graf:$Name:  $:$Id: TBox.cxx,v 1.9 2002/01/23 17:52:48 rdm Exp $
+// @(#)root/graf:$Name:  $:$Id: TBox.cxx,v 1.10 2002/01/24 11:39:28 rdm Exp $
 // Author: Rene Brun   12/12/94
 
 /*************************************************************************
@@ -116,7 +116,7 @@ Int_t TBox::DistancetoPrimitive(Int_t px, Int_t py)
 //*-*- Are we inside the box?
 //*-*  ======================
    if (GetFillStyle()) {
-      if ( (px > pxl && px < pxt) && (py > pyl && py < pyt) ) return 0;
+      if ( (px >= pxl && px <= pxt) && (py >= pyl && py <= pyt) ) return 0;
       else return 9999;
    }