[smuxi/stable] Frontend-GNOME: allow wrapping to first/last from last/first chat

[Mirco M. M. Bauer <mmmbauer src gnome org>]

commit 953b7e8ab4a4bf1fac2030ccd4c20155fa2e5754
Author: Mirco Bauer <meebey meebey net>
Date:   Sun Dec 22 21:54:53 2013 +0100

    Frontend-GNOME: allow wrapping to first/last from last/first chat
    
    This restores the behavior of with tabs which allowed wrapping from the last tab
    to the first tab and from the last tab to the first tab.

 src/Frontend-GNOME/ChatViewManager.cs |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/src/Frontend-GNOME/ChatViewManager.cs b/src/Frontend-GNOME/ChatViewManager.cs
index 4da44b9..afae62a 100644
--- a/src/Frontend-GNOME/ChatViewManager.cs
+++ b/src/Frontend-GNOME/ChatViewManager.cs
@@ -77,6 +77,12 @@ namespace Smuxi.Frontend.Gnome
                 return TreeView.CurrentChatNumber;
             }
             set {
+                if (value >= f_Chats.Count) {
+                    value = 0;
+                }
+                if (value < 0) {
+                    value = f_Chats.Count - 1;
+                }
                 TreeView.CurrentChatNumber = value;
             }
         }