[gtk+] GtkSidebar: Pick up the visible child from the stack

[Matthias Clasen <matthiasc src gnome org>]

commit 2dfc03bdb532c14187aa14bf51adc1aec3b71b62
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Oct 6 23:06:54 2014 -0400

    GtkSidebar: Pick up the visible child from the stack
    
    Same here: We need to synchronize the visible child with the
    selected row when setting a stack on the sidebar. I've noticed
    this problem in the sidebar example in gtk3-widget-factory.

 gtk/gtksidebar.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtksidebar.c b/gtk/gtksidebar.c
index 7e9fe6f..7ccc521 100644
--- a/gtk/gtksidebar.c
+++ b/gtk/gtksidebar.c
@@ -327,8 +327,16 @@ static void
 populate_sidebar (GtkSidebar *sidebar)
 {
   GtkSidebarPrivate *priv = gtk_sidebar_get_instance_private (sidebar);
+  GtkWidget *widget, *row;
 
   gtk_container_foreach (GTK_CONTAINER (priv->stack), (GtkCallback)add_child, sidebar);
+
+  widget = gtk_stack_get_visible_child (priv->stack);
+  if (widget)
+    {
+      row = g_hash_table_lookup (priv->rows, widget);
+      gtk_list_box_select_row (priv->list, GTK_LIST_BOX_ROW (row));
+    }
 }
 
 static void