[gtksourceview] Avoid race when repopulating the list box

[Ignacio Casal Quinteiro <icq src gnome org>]

commit e3a252adea9321088884a8e2694469d5ddaa3090
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Wed Dec 31 09:49:16 2014 +0100

    Avoid race when repopulating the list box
    
    Ensure we do not get the selected event when destroying the rows.

 gtksourceview/gtksourcestyleschemechooserwidget.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/gtksourceview/gtksourcestyleschemechooserwidget.c 
b/gtksourceview/gtksourcestyleschemechooserwidget.c
index c4b0998..b58632e 100644
--- a/gtksourceview/gtksourcestyleschemechooserwidget.c
+++ b/gtksourceview/gtksourcestyleschemechooserwidget.c
@@ -205,6 +205,8 @@ gtk_source_style_scheme_chooser_widget_populate (GtkSourceStyleSchemeChooserWidg
        guint i;
        gboolean row_selected = FALSE;
 
+       g_signal_handlers_block_by_func (priv->list_box, on_row_selected, widget);
+
        gtk_container_foreach (GTK_CONTAINER (priv->list_box),
                               (GtkCallback)gtk_widget_destroy,
                               NULL);
@@ -226,14 +228,14 @@ gtk_source_style_scheme_chooser_widget_populate (GtkSourceStyleSchemeChooserWidg
 
                if (scheme == priv->scheme)
                {
-                       g_signal_handlers_block_by_func (priv->list_box, on_row_selected, widget);
                        gtk_list_box_select_row (priv->list_box, GTK_LIST_BOX_ROW (row));
-                       g_signal_handlers_unblock_by_func (priv->list_box, on_row_selected, widget);
 
                        row_selected = TRUE;
                }
        }
 
+       g_signal_handlers_unblock_by_func (priv->list_box, on_row_selected, widget);
+
        /* The current scheme may have been removed so select the default one */
        if (!row_selected)
        {