[gimp/metadata-browser] Bug 664885 - Open 'Document History' --> always a additional history tab appears

[Roman Joost <romanofski src gnome org>]

commit 12f4a404b0d3e6b4cd405cf4a16f08972acf707a
Author: Michael Natterer <mitch gimp org>
Date:   Mon Jan 30 22:53:43 2012 +0100

    Bug 664885 - Open 'Document History' --> always a additional history tab appears
    
    In SWM, try to find an existing dialog in
    gimp_single_window_strategy_create_dockable_dialog() before falling
    back to creating a new one.

 app/display/gimpsinglewindowstrategy.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/app/display/gimpsinglewindowstrategy.c b/app/display/gimpsinglewindowstrategy.c
index fa7fd0a..785f230 100644
--- a/app/display/gimpsinglewindowstrategy.c
+++ b/app/display/gimpsinglewindowstrategy.c
@@ -109,6 +109,11 @@ gimp_single_window_strategy_create_dockable_dialog (GimpWindowStrategy *strategy
                                       -1 /*index*/);
         }
     }
+  else if (gimp_dialog_factory_find_widget (factory, identifiers))
+    {
+      /* if the dialog is already open, simply raise it */
+      return gimp_dialog_factory_dialog_raise (factory, screen, identifiers, -1);
+   }
   else
     {
       GtkWidget *dockbook;