revert previous commit; it messes with menus

lib/gui_qt.py

@@ -103,15 +103,6 @@ class MyTreeWidget(QTreeWidget):
             self.emit(SIGNAL('customContextMenuRequested(const QPoint&)'), QPoint(50, i*5 + j - 1))
 
         self.connect(self, SIGNAL('itemActivated(QTreeWidgetItem*, int)'), ddfr)
-        self.my_item = None
-
-    def focusInEvent(self, e):
-        # we use column 1 because column 0 may be hidden
-        self.setCurrentItem(self.my_item,1)
-
-    def focusOutEvent(self, e):
-        self.my_item = self.currentItem()
-        self.setCurrentItem(None)