diff -r 0fb64076d3f5 -r e464a4e4e06d graphics/LD_Objects.py
--- a/graphics/LD_Objects.py	Wed Jan 30 09:52:57 2008 +0100
+++ b/graphics/LD_Objects.py	Wed Jan 30 18:48:05 2008 +0100
@@ -109,7 +109,6 @@
                 
     # Refresh the power rail bounding box
     def RefreshBoundingBox(self):
-        dc = wx.ClientDC(self.Parent)
         self.BoundingBox = wx.Rect(self.Pos.x, self.Pos.y, self.Size[0] + 1, self.Size[1] + 1)
     
     # Refresh the power rail size
@@ -313,7 +312,7 @@
             self.Parent.PopupDefaultMenu()
     
     # Refreshes the powerrail state according to move defined and handle selected
-    def ProcessDragging(self, movex, movey, scaling):
+    def ProcessDragging(self, movex, movey, centered, scaling):
         handle_type, handle = self.Handle
         # A connector has been handled
         if handle_type == HANDLE_CONNECTOR:
@@ -324,7 +323,7 @@
             self.MoveConnector(handle, movey)
             return 0, movey
         else:
-            return Graphic_Element.ProcessDragging(self, movex, movey, scaling)
+            return Graphic_Element.ProcessDragging(self, movex, movey, centered, scaling)
     
     # Refreshes the power rail model
     def RefreshModel(self, move=True):
@@ -416,15 +415,13 @@
     
     # Refresh the size of text for name
     def RefreshNameSize(self):
-        dc = wx.ClientDC(self.Parent)
         if self.Name != "":
-            self.NameSize = dc.GetTextExtent(self.Name)
+            self.NameSize = self.Parent.GetTextExtent(self.Name)
         else:
             self.NameSize = 0, 0
     
     # Refresh the size of text for type
     def RefreshTypeSize(self):
-        dc = wx.ClientDC(self.Parent)
         typetext = ""
         if self.Type == CONTACT_REVERSE:
             typetext = "/"
@@ -433,15 +430,14 @@
         elif self.Type == CONTACT_FALLING:
             typetext = "N"
         if typetext != "":
-            self.TypeSize = dc.GetTextExtent(typetext)
+            self.TypeSize = self.Parent.GetTextExtent(typetext)
         else:
             self.TypeSize = 0, 0
     
     # Refresh the contact bounding box
     def RefreshBoundingBox(self):
-        dc = wx.ClientDC(self.Parent)
         # Calculate the size of the name outside the contact
-        text_width, text_height = dc.GetTextExtent(self.Name)
+        text_width, text_height = self.Parent.GetTextExtent(self.Name)
         # Calculate the bounding box size
         if self.Name != "":
             bbx_x = self.Pos.x - max(0, (text_width - self.Size[0]) / 2)
@@ -646,15 +642,13 @@
                 
     # Refresh the size of text for name
     def RefreshNameSize(self):
-        dc = wx.ClientDC(self.Parent)
         if self.Name != "":
-            self.NameSize = dc.GetTextExtent(self.Name)
+            self.NameSize = self.Parent.GetTextExtent(self.Name)
         else:
             self.NameSize = 0, 0
     
     # Refresh the size of text for type
     def RefreshTypeSize(self):
-        dc = wx.ClientDC(self.Parent)
         typetext = ""
         if self.Type == COIL_REVERSE:
             typetext = "/"
@@ -663,15 +657,14 @@
         elif self.Type == COIL_RESET:
             typetext = "R"
         if typetext != "":
-            self.TypeSize = dc.GetTextExtent(typetext)
+            self.TypeSize = self.Parent.GetTextExtent(typetext)
         else:
             self.TypeSize = 0, 0
     
     # Refresh the coil bounding box
     def RefreshBoundingBox(self):
-        dc = wx.ClientDC(self.Parent)
         # Calculate the size of the name outside the coil
-        text_width, text_height = dc.GetTextExtent(self.Name)
+        text_width, text_height = self.Parent.GetTextExtent(self.Name)
         # Calculate the bounding box size
         if self.Name != "":
             bbx_x = self.Pos.x - max(0, (text_width - self.Size[0]) / 2)