add code to fetch the mark.

src/include/ZMap/zmapWindow.h

@@ -26,9 +26,9 @@
  *              window displaying genome data.
  *              
  * HISTORY:
- * Last edited: Sep  9 10:19 2009 (edgrif)
+ * Last edited: Sep  9 15:11 2009 (edgrif)
  * Created: Thu Jul 24 15:21:56 2003 (edgrif)
- * CVS info:   $Id: zmapWindow.h,v 1.104 2009-09-09 09:40:48 edgrif Exp $
+ * CVS info:   $Id: zmapWindow.h,v 1.105 2009-09-09 16:40:08 edgrif Exp $
  *-------------------------------------------------------------------
  */
 #ifndef ZMAP_WINDOW_H
@@ -259,6 +259,7 @@ void zMapWindowZoomToWorldPosition(ZMapWindow window, gboolean border,
 				   double rootx1, double rooty1, 
                                    double rootx2, double rooty2);
 
+gboolean zMapWindowGetMark(ZMapWindow window, int *start, int *end) ;
 
 gboolean zMapWindowGetDNAStatus(ZMapWindow window);
 void zMapWindowStats(ZMapWindow window) ;

src/zmapWindow/zmapWindowMark.c

@@ -27,9 +27,9 @@
  *
  * Exported functions: See zmapWindow_P.h
  * HISTORY:
- * Last edited: Jun 12 09:31 2009 (rds)
+ * Last edited: Sep  9 15:19 2009 (edgrif)
  * Created: Tue Jan 16 09:51:19 2007 (rds)
- * CVS info:   $Id: zmapWindowMark.c,v 1.17 2009-06-19 11:16:37 rds Exp $
+ * CVS info:   $Id: zmapWindowMark.c,v 1.18 2009-09-09 16:40:08 edgrif Exp $
  *-------------------------------------------------------------------
  */
 
@@ -97,6 +97,32 @@ static void setBoundingBoxColour(ZMapWindowMark mark, FooCanvasItem *item, gbool
 ZMAP_MAGIC_NEW(mark_magic_G, ZMapWindowMarkStruct) ;
 
 
+
+/* The mark was internal to window but other code needs to know about it now.... */
+
+gboolean zMapWindowGetMark(ZMapWindow window, int *start, int *end)
+{
+  gboolean result = FALSE ;
+
+  if (window->mark && window->mark->mark_set)
+    {
+      double wx1, wx2, wy1, wy2 ;
+
+      zmapWindowMarkGetWorldRange(window->mark, &wx1, &wy1, &wx2, &wy2) ;
+
+      *start = (int)(wy1) ;
+      *end = (int)(wy2) ;
+
+      result = TRUE ;
+    }
+
+  return result ;
+}
+
+
+
+
+
 ZMapWindowMark zmapWindowMarkCreate(ZMapWindow window)
 {
   ZMapWindowMark mark ;