Ge plant navigator bugfix, unselect didn't remove global selection

wb/lib/wb/gtk/wb_nav_gtk.cpp

@@ -118,10 +118,11 @@ static void nav_sel_lose_cb( GtkWidget *w, GdkEventSelection *event,
   nav->selection_owner = 0;
 }
 
-void NavGtk::set_selection_owner()
+void NavGtk::set_selection_owner( int set)
 {
   gboolean sts;
 
+  if ( set) {
     sts = gtk_selection_owner_set( selection_widget, GDK_SELECTION_PRIMARY,
 				   gtk_get_current_event_time());
     if ( !sts) {
@@ -129,6 +130,12 @@ void NavGtk::set_selection_owner()
       return;
     }	
     selection_owner = 1;
+  }
+  else {
+    sts = gtk_selection_owner_set( NULL, GDK_SELECTION_PRIMARY,
+				   gtk_get_current_event_time());
+    selection_owner = 0;
+  }
 }
 
 void NavGtk::set_inputfocus( int focus)

wb/lib/wb/gtk/wb_nav_gtk.h

@@ -47,7 +47,7 @@ class NavGtk : public Nav {
   gulong       	sel_lose_id;
 
   void set_inputfocus( int focus);
-  void set_selection_owner();
+  void set_selection_owner( int set);
 };
 
 #endif

wb/lib/wb/motif/wb_nav_motif.cpp

@@ -147,18 +147,22 @@ static void nav_sel_lose_cb( Widget w, Atom *selection)
   brow_SelectClear( nav->brow_ctx);
 }
 
-void NavMotif::set_selection_owner()
+void NavMotif::set_selection_owner( int set)
 {
   int sts;
 
+  if ( set) {
     sts = XtOwnSelection( brow_widget, XA_PRIMARY, 
 			  XtLastTimestampProcessed(flow_Display(brow_widget)),  
 			  nav_sel_convert_cb, nav_sel_lose_cb , NULL);
-  if ( !sts)
-  {
+    if ( !sts) {
       brow_SelectClear( brow_ctx);
       return;
     }	
+  }
+  else {
+    // Todo...
+  }
 }
 
 void NavMotif::set_inputfocus( int focus)

wb/lib/wb/motif/wb_nav_motif.h

@@ -45,7 +45,7 @@ class NavMotif : public Nav {
   Widget	toplevel;
 
   void set_inputfocus( int focus);
-  void set_selection_owner();
+  void set_selection_owner( int set);
 };
 
 #endif

wb/lib/wb/src/wb_nav.cpp

@@ -1549,16 +1549,18 @@ int Nav::brow_cb( FlowCtx *ctx, flow_tEvent event)
 
       if ( brow_FindSelectedObject( nav->brow_ctx, event->object.object)) {
 	brow_SelectClear( nav->brow_ctx);
+	nav->set_selection_owner( 0);
       }
       else {
 	brow_SelectClear( nav->brow_ctx);
 	brow_SetInverse( event->object.object, 1);
 	brow_SelectInsert( nav->brow_ctx, event->object.object);
+	nav->set_selection_owner( 1);
       }
-      nav->set_selection_owner();
       break;
     default:
       brow_SelectClear( nav->brow_ctx);
+      nav->set_selection_owner( 0);
     }
     break;
   }

wb/lib/wb/src/wb_nav.h

@@ -77,7 +77,7 @@ class Nav {
   int		show_descrip;
 
   virtual void set_inputfocus( int focus) {}
-  virtual void set_selection_owner() {}
+  virtual void set_selection_owner( int set) {}
 
   void zoom( double zoom_factor);
   void unzoom();