[libgda] Honor global connection's main context in GdaDataProxy

[Vivien Malerba <vivien src gnome org>]

commit 46f0d1b46182085928c46d988315e1f12e49d04b
Author: Vivien Malerba <malerba gnome-db org>
Date:   Wed Feb 25 22:37:20 2015 +0100

    Honor global connection's main context in GdaDataProxy

 libgda-ui/demos/main.c  |    4 ++--
 libgda/gda-data-proxy.c |    5 ++++-
 2 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/libgda-ui/demos/main.c b/libgda-ui/demos/main.c
index 98e994e..dd26b93 100644
--- a/libgda-ui/demos/main.c
+++ b/libgda-ui/demos/main.c
@@ -796,10 +796,10 @@ main (int argc, char **argv)
        if (! full_filename)
                gda_connection_update_meta_store (demo_cnc, NULL, NULL);
 
-       /* set main context for connection */
+       /* set main context for the connection */
        GMainContext *context;
        context = g_main_context_ref_thread_default ();
-       gda_connection_set_main_context (demo_cnc, NULL, context);
+       gda_connection_set_main_context (NULL, NULL, context);
        g_main_context_unref (context);
        g_object_set (demo_cnc, "execution-slowdown", 1000000, NULL);
 
diff --git a/libgda/gda-data-proxy.c b/libgda/gda-data-proxy.c
index 336ae95..6caf027 100644
--- a/libgda/gda-data-proxy.c
+++ b/libgda/gda-data-proxy.c
@@ -3082,7 +3082,10 @@ apply_filter_statement (GdaDataProxy *proxy, GError **error)
                        proxy->priv->force_direct_mapping = FALSE;
                        goto clean_previous_filter;
                }
-
+               GMainContext *ctx;
+               ctx = gda_connection_get_main_context (NULL, NULL);
+               if (ctx)
+                       gda_connection_set_main_context (vcnc, NULL, ctx);
                proxy->priv->filter_vcnc = vcnc;
        }