- Added missing function in IndicatorTrayIconGUI class

- Fixed wrong icon path

gtk/wicd-client.py

@@ -979,8 +979,8 @@ TX:'''))
             def __init__(self, parent):
                 TrayIcon.TrayIconGUI.__init__(self, parent)
                 self.ind = appindicator.Indicator(
-                    "wicd", "", appindicator.CATEGORY_SYSTEM_SERVICES)
-                self.ind.set_icon(wpath.images + "no-signal.png")
+                    "wicd", "wicd-gtk", appindicator.CATEGORY_SYSTEM_SERVICES, wpath.images)
+                self.current_icon_name = ''
 
                 # Rescaning when hovering over the net_menu doesn't work.
                 # (AFAICT, AppIndicator menus don't report PRELIGHT status.)
@@ -1018,6 +1018,12 @@ TX:'''))
                     self.current_icon_path = path
                     self.ind.set_icon(path)
                     
+            def set_from_name(self, name=None):
+                """ Sets a new tray icon picture. """
+                if name != self.current_icon_name:
+                    self.current_icon_name = name
+                    self.ind.set_icon(name)
+
             def visible(self, val):
                 """ Set if the icon is visible or not.