[egg-list-box] (split) Add ListBox.select_child method

[Alexander Larsson <alexl src gnome org>]

commit 35e07a8fc3a3e36176db529314d3cd7a4ec0db37
Author: Alexander Larsson <alexl redhat com>
Date:   Tue May 15 14:10:28 2012 +0200

    (split) Add ListBox.select_child method

 egg-list-box.vala |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/egg-list-box.vala b/egg-list-box.vala
index 505b871..d0db9dd 100644
--- a/egg-list-box.vala
+++ b/egg-list-box.vala
@@ -59,6 +59,13 @@ public class Egg.ListBox : Container {
     return null;
   }
 
+  public void select_child (Widget? child) {
+    unowned ChildInfo? info = null;
+    if (child != null)
+      info = child_hash.get (child);
+    update_selected (info);
+  }
+
   public virtual signal void child_selected (Widget? child) {
   }