[evolution/kill-bonobo] Switch between classic and vertical view using GtkOrientable.

[Matthew Barnes <mbarnes src gnome org>]

commit afc0306be8552a10b62a31955ef571fdb19edb10
Author: Matthew Barnes <mbarnes redhat com>
Date:   Tue Aug 25 19:24:38 2009 -0400

    Switch between classic and vertical view using GtkOrientable.

 modules/mail/e-mail-shell-content.c |   27 +++++++++------------------
 1 files changed, 9 insertions(+), 18 deletions(-)
---
diff --git a/modules/mail/e-mail-shell-content.c b/modules/mail/e-mail-shell-content.c
index 0efe1f1..5f99d74 100644
--- a/modules/mail/e-mail-shell-content.c
+++ b/modules/mail/e-mail-shell-content.c
@@ -839,10 +839,9 @@ e_mail_shell_content_set_vertical_view (EMailShellContent *mail_shell_content,
                                         gboolean vertical_view)
 {
 	GConfBridge *bridge;
-	GtkWidget *old_paned;
-	GtkWidget *new_paned;
-	GtkWidget *child1;
-	GtkWidget *child2;
+	GtkOrientable *orientable;
+	GtkOrientation orientation;
+	GtkWidget *paned;
 	guint binding_id;
 	const gchar *key;
 
@@ -852,36 +851,28 @@ e_mail_shell_content_set_vertical_view (EMailShellContent *mail_shell_content,
 		return;
 
 	bridge = gconf_bridge_get ();
-	old_paned = mail_shell_content->priv->paned;
+	paned = mail_shell_content->priv->paned;
 	binding_id = mail_shell_content->priv->paned_binding_id;
 
-	child1 = gtk_paned_get_child1 (GTK_PANED (old_paned));
-	child2 = gtk_paned_get_child2 (GTK_PANED (old_paned));
-
 	if (binding_id > 0)
 		gconf_bridge_unbind (bridge, binding_id);
 
 	if (vertical_view) {
-		new_paned = gtk_hpaned_new ();
+		orientation = GTK_ORIENTATION_HORIZONTAL;
 		key = "/apps/evolution/mail/display/hpaned_size";
 	} else {
-		new_paned = gtk_vpaned_new ();
+		orientation = GTK_ORIENTATION_VERTICAL;
 		key = "/apps/evolution/mail/display/paned_size";
 	}
 
-	gtk_widget_reparent (child1, new_paned);
-	gtk_widget_reparent (child2, new_paned);
-	gtk_widget_show (new_paned);
-
-	gtk_widget_destroy (old_paned);
-	gtk_container_add (GTK_CONTAINER (mail_shell_content), new_paned);
+	orientable = GTK_ORIENTABLE (paned);
+	gtk_orientable_set_orientation (orientable, orientation);
 
 	binding_id = gconf_bridge_bind_property_delayed (
-		bridge, key, G_OBJECT (new_paned), "position");
+		bridge, key, G_OBJECT (paned), "position");
 
 	mail_shell_content->priv->vertical_view = vertical_view;
 	mail_shell_content->priv->paned_binding_id = binding_id;
-	mail_shell_content->priv->paned = g_object_ref (new_paned);
 
 	e_mail_shell_content_update_view_instance (mail_shell_content);