Smuxi.Frontend.Gnome.MainWindow.OnNotebookSwitchPage C# (CSharp) Method

        protected virtual void OnNotebookSwitchPage(object sender, EventArgs e)
        {
            try {
                var chatView = ChatViewManager.CurrentChatView;
                if (chatView == null) {
                    return;
                }

                if (!Frontend.IsMacOSX) {
                    MenuWidget.CloseChatAction.Sensitive = !(chatView is SessionChatView);
                }
                MenuWidget.FindGroupChatAction.Sensitive = !(chatView is SessionChatView);
                if (Frontend.IsLocalEngine) {
                    var logExists = File.Exists(chatView.ChatModel.LogFile);
                    MenuWidget.OpenLogAction.Sensitive = logExists;
                    MenuWidget.OpenLogToolAction.Sensitive = logExists;
                }

                // find protocol chat parent and update join bar
                foreach (var view in ChatViewManager.Chats) {
                    if (!(view is ProtocolChatView) ||
                        view.ProtocolManager == null) {
                        continue;
                    }
                    if (chatView.ProtocolManager == view.ProtocolManager) {
                        var pView = (ProtocolChatView) view;
                        MenuWidget.JoinWidget.ActiveNetwork = pView.NetworkID;
                        break;
                    }
                }

                // HACK: Gtk.Notebook moves the focus to the child after the
                // page has been switched, so move the focus back to the entry
                if (!Notebook.IsBrowseModeEnabled) {
                    GLib.Idle.Add(delegate {
                        Entry.GrabFocus();
                        return false;
                    });
                }
            } catch (Exception ex) {
                Frontend.ShowException(this, ex);
            }
        }