[gnome-games/sudoku-tube] Remove a somewhat unneeded signal

[Zhang Sen <zhangsen src gnome org>]

commit ce0398a292fe4a6ae153edb560dac5f2c7d50f94
Author: Zhang Sen <zh jesse gmail com>
Date:   Wed Jul 8 21:26:22 2009 +0800

    Remove a somewhat unneeded signal
    
    This doesn't have to be a signal

 gnome-sudoku/src/lib/gsudoku.py |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/gnome-sudoku/src/lib/gsudoku.py b/gnome-sudoku/src/lib/gsudoku.py
index 9417768..71c4e06 100644
--- a/gnome-sudoku/src/lib/gsudoku.py
+++ b/gnome-sudoku/src/lib/gsudoku.py
@@ -149,7 +149,6 @@ class ParallelDict (dict):
 class SudokuGameDisplay (SudokuNumberGrid, gobject.GObject):
 
     __gsignals__ = {
-        'focus-changed':(gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
         'puzzle-finished':(gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ())
         }
 
@@ -176,7 +175,6 @@ class SudokuGameDisplay (SudokuNumberGrid, gobject.GObject):
             e.connect('changed', self._entry_callback)
             e.connect('focus-in-event', self._focus_callback)
             e.connect('key-press-event', self._key_press_cb)
-        self.connect('focus-changed', self._highlight_cells)
 
     def _key_press_cb(self, widget, event):
         key = gtk.gdk.keyval_name(event.keyval)
@@ -202,7 +200,7 @@ class SudokuGameDisplay (SudokuNumberGrid, gobject.GObject):
 
     def _focus_callback(self, e, event):
         self.focused = e
-        self.emit('focus-changed')
+        self._highlight_cells()
 
     def _get_highlight_colors(self):
         entry = self.__entries__.values()[0]
@@ -234,7 +232,7 @@ class SudokuGameDisplay (SudokuNumberGrid, gobject.GObject):
         for e in self.__entries__.values():
             e.set_background_color(None)
 
-    def _highlight_cells(self, *args):
+    def _highlight_cells(self):
         if not self.do_highlight_cells:
             return
         self.unhighlight_cells()