--- a/python/apps/diagrameditor.py	Tue Nov 27 18:00:13 2012 +0100
+++ b/python/apps/diagrameditor.py	Tue Nov 27 18:11:39 2012 +0100
@@ -4,7 +4,7 @@
 from PyQt4.QtCore import *
 import sys, json, base64
 
-from diagramitems import Connection, ResizeSelectionHandle, BlockItem, DiagramScene
+from diagramitems import Connection, ResizeSelectionHandle, Block, DiagramScene
 
 """
  Author: Windel Bouwman

--- a/python/apps/diagramitems.py	Tue Nov 27 18:00:13 2012 +0100
+++ b/python/apps/diagramitems.py	Tue Nov 27 18:11:39 2012 +0100
@@ -97,15 +97,12 @@
             line = QLineF(p1, p2)
             litem.setLine(line)
             citems = scene.collidingItems(litem)
-            citems = [i for i in citems if type(i) is BlockItem]
+            citems = [i for i in citems if type(i) is Block]
          scene.removeItem(litem)
       pts = [pos1] + vias + [pos2]
       self.arrowhead.setPos(pos2)
       self.arrowhead.setRotation(90)
       p = buildPath(pts)
-      pps = QPainterPathStroker()
-      pps.setWidth(3)
-      p = pps.createStroke(p).simplified()
       self.setPath(p)
       """ Create a shape outline using the path stroker """
       s = super(Connection, self).shape()
@@ -155,8 +152,7 @@
 
 class Handle(QGraphicsEllipseItem):
    """ A handle that can be moved by the mouse """
-   def __init__(self, parent=None):
-      dx = 13.0
+   def __init__(self, dx=10.0, parent=None):
       super(Handle, self).__init__(QRectF(-0.5*dx,-0.5*dx,dx,dx), parent)
       self.posChangeCallbacks = []
       self.setBrush(QBrush(Qt.white))
@@ -190,11 +186,10 @@
    def mouseMoveEvent(self, event):
       self.scene().sizerMoveEvent(self, event.scenePos())
 
-
-class BlockItem(QGraphicsRectItem):
+class Block(QGraphicsRectItem):
    """ Represents a block in the diagram """
    def __init__(self, name='Untitled', parent=None):
-      super(BlockItem, self).__init__(parent)
+      super(Block, self).__init__(parent)
       self.subModel = DiagramScene()
       self.subModel.containingBlock = self
       # Properties of the rectangle:
@@ -278,7 +273,7 @@
       if change == self.ItemSelectedHasChanged:
          for child in [self.buttonItemAddInput, self.buttonItemAddOutput]:
             child.setVisible(value)
-      return super(BlockItem, self).itemChange(change, value)
+      return super(Block, self).itemChange(change, value)
    def myDelete(self):
       for p in self.inputs + self.outputs:
          if p.connection: p.connection.myDelete()
@@ -304,7 +299,6 @@
       self.label.setPos((w - rect.width()) / 2, (h - rect.height()) / 2)
       self.updateSize()
 
-
 class DiagramScene(QGraphicsScene):
    def __init__(self):
       super(DiagramScene, self).__init__()
@@ -329,7 +323,7 @@
    def handleSelectionChanged(self):
       [h.setVisible(False) for h in self.selectionHandles]
       items = self.selectedItems()
-      items = [i for i in items if type(i) is BlockItem]
+      items = [i for i in items if type(i) is Block]
       if items:
          r = QRectF()
          for i in items:
@@ -349,17 +343,17 @@
          print('invalid position')
       self.repositionAndShowHandles()
       items = self.selectedItems()
-      items = [i for i in items if type(i) is BlockItem]
+      items = [i for i in items if type(i) is Block]
       if items:
          item = items[0]
          # TODO resize more items!
          item.setCenterAndSize(self.selectionRect.center(), self.selectionRect.size())
 
-   blocks = property(lambda sel: [i for i in sel.items() if type(i) is BlockItem])
+   blocks = property(lambda sel: [i for i in sel.items() if type(i) is Block])
    connections = property(lambda sel: [i for i in sel.items() if type(i) is Connection])
    def setDict(self, d):
       for block in d['blocks']:
-         b = BlockItem()
+         b = Block()
          self.addItem(b)
          b.Dict = block
       for con in d['connections']:
@@ -386,7 +380,7 @@
          if block.name == blockname: return block
    def addNewBlock(self, pos, name):
       blocknames = [item.name for item in self.blocks]
-      b1 = BlockItem(uniqify(name, blocknames))
+      b1 = Block(uniqify(name, blocknames))
       b1.setPos(pos)
       self.addItem(b1)
    def mouseMoveEvent(self, event):
@@ -411,3 +405,4 @@
       self.addItem(self.startedConnection)
    def deleteItems(self):
       for item in list(self.selectedItems()): item.myDelete()
+