EMSubscriptionEditor: Use a header bar as title bar

src/mail/em-subscription-editor.c

@@ -1441,16 +1441,6 @@ subscription_editor_add_store (EMSubscriptionEditor *editor,
 	g_ptr_array_add (editor->priv->stores, data);
 }
 
-static void
-emse_notebook_sensitive_changed_cb (GtkWidget *notebook,
-                                    GParamSpec *param,
-                                    GtkDialog *editor)
-{
-	gtk_dialog_set_response_sensitive (
-		editor, GTK_RESPONSE_CLOSE,
-		gtk_widget_get_sensitive (notebook));
-}
-
 static gboolean
 subscription_editor_delete_event_cb (EMSubscriptionEditor *editor,
                                      GdkEvent *event,
@@ -1729,10 +1719,6 @@ em_subscription_editor_init (EMSubscriptionEditor *editor)
 		"/org/gnome/evolution/mail/subscription-window/",
 		E_RESTORE_WINDOW_SIZE);
 
-	gtk_dialog_add_button (
-		GTK_DIALOG (editor),
-		_("_Close"), GTK_RESPONSE_CLOSE);
-
 	container = gtk_dialog_get_content_area (GTK_DIALOG (editor));
 
 	widget = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
@@ -1814,10 +1800,6 @@ em_subscription_editor_init (EMSubscriptionEditor *editor)
 		G_BINDING_BIDIRECTIONAL |
 		G_BINDING_SYNC_CREATE);
 
-	e_signal_connect_notify (
-		widget, "notify::sensitive",
-		G_CALLBACK (emse_notebook_sensitive_changed_cb), editor);
-
 	widget = gtk_button_box_new (GTK_ORIENTATION_VERTICAL);
 	gtk_box_set_spacing (GTK_BOX (widget), 6);
 	gtk_button_box_set_layout (
@@ -1978,6 +1960,7 @@ em_subscription_editor_new (GtkWindow *parent,
 		EM_TYPE_SUBSCRIPTION_EDITOR,
 		"session", session,
 		"store", initial_store,
+		"use-header-bar", TRUE,
 		"transient-for", parent,
 		NULL);
 }