[hyena] [Hyena.Gui] Add ability to hide arrow

[Gabriel Burt <gburt src gnome org>]

commit ff259e5ad515b0edefc98c13283dee6ac2c06a50
Author: Gabriel Burt <gabriel burt gmail com>
Date:   Thu Aug 26 12:51:37 2010 -0500

    [Hyena.Gui] Add ability to hide arrow

 Hyena.Gui/Hyena.Widgets/MenuButton.cs |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/Hyena.Gui/Hyena.Widgets/MenuButton.cs b/Hyena.Gui/Hyena.Widgets/MenuButton.cs
index 6df820c..c5f790d 100644
--- a/Hyena.Gui/Hyena.Widgets/MenuButton.cs
+++ b/Hyena.Gui/Hyena.Widgets/MenuButton.cs
@@ -75,6 +75,8 @@ namespace Hyena.Widgets
                 box.PackStart (alignment, false, false, 5);
                 size_widget = box;
                 FocusChain = new Widget[] {toggle_button, box};
+                alignment.ShowAll ();
+                alignment.NoShowAll = true;
             } else {
                 toggle_button.Add (button_widget);
                 size_widget = toggle_button;
@@ -114,6 +116,11 @@ namespace Hyena.Widgets
             get { return arrow; }
         }
 
+        public bool ArrowVisible {
+            get { return alignment.Visible; }
+            set { alignment.Visible = value; }
+        }
+
         protected override void OnSizeRequested (ref Requisition requisition)
         {
             requisition = size_widget.SizeRequest ();