diff --git a/etgtools/extractors.py b/etgtools/extractors.py
index 9e09dae0..118c3957 100644
--- a/etgtools/extractors.py
+++ b/etgtools/extractors.py
@@ -4,7 +4,7 @@
 #
 # Created:     3-Nov-2010
 # Copyright:   (c) 2010 by Total Control Software
-# Licence:     wxWindows license
+# License:     wxWindows License
 #---------------------------------------------------------------------------
 
 """
@@ -107,6 +107,9 @@ class BaseDef(object):
 
         
         
+    def addItem(self, item):
+        self.items.append(item)
+        
     def insertItem(self, index, item):
         self.items.insert(index, item)
         
@@ -343,7 +346,8 @@ class MethodDef(FunctionDef):
     def extract(self, element, className):
         super(MethodDef, self).extract(element)
         self.isStatic = element.get('static') == 'yes'
-        self.isVirtual = element.get('virt') == 'virtual'
+        self.isVirtual = element.get('virt') in ['virtual', 'pure-virtual']
+        self.isPureVirtual = element.get('virt') == 'pure-virtual'
         self.isCtor = self.name == className
         self.isDtor = self.name == '~' + className
         self.protection = element.get('prot')
@@ -515,7 +519,10 @@ class ClassDef(BaseDef):
         
     def addCppMethod(self, type, name, argsString, body, doc=None, **kw):
         """
-        Add a new C++ method to a class.
+        Add a new C++ method to a class. This method doesn't have to actually
+        exist in the real C++ class. Instead it will be grafted on by the
+        back-end wrapper generator such that it is visible in the class in the
+        target language.
         """
         md = CppMethodDef(type, name, argsString, body, doc, **kw)
         self.items.append(md)
@@ -549,6 +556,65 @@ class ClassDef(BaseDef):
         return pc
 
     
+    def addPublic(self, code=''):
+        """
+        Adds a 'public:' protection keyword to the class, optionally followed
+        by some additional code.
+        """
+        text = 'public:'
+        if code:
+            text = text + '\n' + code
+        self.addItem(WigCode(text))
+         
+    def addProtected(self, code=''):
+        """
+        Adds a 'protected:' protection keyword to the class, optionally followed
+        by some additional code.
+        """
+        text = 'protected:'
+        if code:
+            text = text + '\n' + code
+        self.addItem(WigCode(text))
+
+        
+    def addPrivate(self, code=''):
+        """
+        Adds a 'private:' protection keyword to the class, optionally followed
+        by some additional code.
+        """
+        text = 'private:'
+        if code:
+            text = text + '\n' + code
+        self.addItem(WigCode(text))
+
+        
+    def addCopyCtor(self, prot='protected'):
+        # add declaration of a copy constructor to this class
+        wig = WigCode("""
+{PROT}:
+    {CLASS}(const {CLASS}&);   
+""".format(CLASS=self.name, PROT=prot))
+        self.addItem(wig)
+
+    def addPrivateCopyCtor(self):
+        self.addCopyCtor('private')
+        
+    def addPrivateAssignOp(self):
+        # add declaration of an assignment opperator to this class
+        wig = WigCode("""
+private:
+    {CLASS}& operator=(const {CLASS}&);
+""".format(CLASS=self.name))
+        self.addItem(wig)
+
+    def addDtor(self, prot='protected'):
+        # add declaration of a destructor to this class
+        wig = WigCode("""
+{PROT}:
+    ~{CLASS}();
+""".format(CLASS=self.name, PROT=prot))
+        self.addItem(wig)
+
 #---------------------------------------------------------------------------
 
 class EnumDef(BaseDef):
diff --git a/etgtools/sip_generator.py b/etgtools/sip_generator.py
index 2aaf7973..e94f6964 100644
--- a/etgtools/sip_generator.py
+++ b/etgtools/sip_generator.py
@@ -4,7 +4,7 @@
 #
 # Created:     3-Nov-2010
 # Copyright:   (c) 2010 by Total Control Software
-# Licence:     wxWindows license
+# License:     wxWindows License
 #---------------------------------------------------------------------------
 
 """
@@ -46,15 +46,18 @@ class SipWrapperGenerator(generators.WrapperGeneratorBase):
 // This file is generated by wxPython's SIP generator.  Do not edit by hand.
 // 
 // Copyright: (c) 2010 by Total Control Software
-// Licence:   wxWindows license
+// License:   wxWindows License
 """)
         if module.name == module.module:
             stream.write("""
 %%Module(name=%s.%s, use_argument_names=True, language="C++")
+{
+    %%AutoPyName(remove_leading="wx")
+}
 
 %%Copying
     Copyright: (c) 2010 by Total Control Software
-    Licence:   wxWindows license
+    License:   wxWindows License
 %%End
 
 """ % (module.package, module.name))
@@ -68,7 +71,7 @@ class SipWrapperGenerator(generators.WrapperGeneratorBase):
 # This file is generated by wxPython's SIP generator.  Do not edit by hand.
 # 
 # Copyright: (c) 2010 by Total Control Software
-# Licence:   wxWindows license
+# License:   wxWindows License
 %s
 from %s import *
 
@@ -80,7 +83,14 @@ from %s import *
             stream.write("//\n// This file will be included by %s.sip\n//\n" % module.module)
         
         stream.write(divider)
-            
+
+        # C++ code to be written to the module's header 
+        if module.headerCode:
+            stream.write("\n%ModuleHeaderCode\n")
+            for c in module.headerCode:
+                stream.write('%s\n' % c)
+            stream.write("%End\n\n")
+                
         # %Imports and %Includes
         for i in module.imports:
             stream.write("%%Import %s.sip\n" % i)
@@ -89,12 +99,6 @@ from %s import *
             stream.write("%%Include %s.sip\n" % i)
 
         # C++ code to be written out to the generated module
-        if module.headerCode:
-            stream.write("\n%ModuleHeaderCode\n")
-            for c in module.headerCode:
-                stream.write('%s\n' % c)
-            stream.write("%End\n\n")
-        
         if module.cppCode:
             stream.write("%ModuleCode\n")
             for c in module.cppCode:
@@ -181,14 +185,14 @@ from %s import *
         name = enum.name
         if name.startswith('@'):
             name = ''
-        stream.write('%senum %s%s\n{\n' % (indent, name, self.annotate(enum)))
+        stream.write('%senum %s%s\n%s{\n' % (indent, name, self.annotate(enum), indent))
         values = []
         for v in enum.items:
             if v.ignored:
                 continue
             values.append("%s    %s%s" % (indent, v.name, self.annotate(v)))
         stream.write(',\n'.join(values))
-        stream.write('%s\n};\n\n' % (indent, ))
+        stream.write('%s\n%s};\n\n' % (indent, indent))
         
         
     #-----------------------------------------------------------------------
@@ -344,7 +348,10 @@ from %s import *
                 stream.write('\n')
                 self.generateParameters(method.items, stream, indent+' '*4)
                 stream.write(indent)
-            stream.write(')%s;\n\n' % self.annotate(method))
+            stream.write(')')
+            if method.isPureVirtual:
+                stream.write(' = 0')
+            stream.write('%s;\n\n' % self.annotate(method))
         if method.overloads:
             for m in method.overloads:
                 self.generateMethod(m, stream, indent)
@@ -385,7 +392,8 @@ from %s import *
     def annotate(self, item):
         annotations = []
         if item.pyName:
-            annotations.append('PyName=%s' % item.pyName)
+            if not getattr(item, 'wxDropped', False):
+                annotations.append('PyName=%s' % item.pyName)
 
         if isinstance(item, extractors.ParamDef):
             if item.out:
diff --git a/etgtools/tweaker_tools.py b/etgtools/tweaker_tools.py
index 92be4d4b..814869ac 100644
--- a/etgtools/tweaker_tools.py
+++ b/etgtools/tweaker_tools.py
@@ -4,7 +4,7 @@
 #
 # Created:     3-Nov-2010
 # Copyright:   (c) 2010 by Total Control Software
-# Licence:     wxWindows license
+# License:     wxWindows License
 #---------------------------------------------------------------------------
 
 """
@@ -18,7 +18,10 @@ import extractors
 
 def removeWxPrefixes(node):
     """
-    Rename items with a 'wx' prefix to not have the prefix.
+    Rename items with a 'wx' prefix to not have the prefix. If the back-end
+    generator supports auto-renaming then it can ignore the pyName value for
+    those that are changed here. We'll still change them all incase the
+    pyNames are needed elsewhere.
     """
     for item in node.allItems():
         if not item.pyName \
@@ -27,9 +30,13 @@ def removeWxPrefixes(node):
            and not isinstance(item, (extractors.TypedefDef,
                                      extractors.MethodDef )):  # TODO: Any others?
                 item.pyName = item.name[2:]
+                item.wxDropped = True
+        if item.name.startswith('wxEVT_'):
+            # give these theire actual name so the auto-renamer won't touch them
+            item.pyName = item.name
             
 
-
+    
 def ignoreAssignmentOperators(node):
     """
     Set the ignored flag for all class methods that are assignment operators
@@ -169,3 +176,46 @@ def convertTwoDoublesTemplate(CLASS):
     """.format(**locals())
 
 
+def convertFourDoublesTemplate(CLASS):
+    return """\
+   // is it just a typecheck?
+   if (!sipIsErr) {{
+       if (sipCanConvertToType(sipPy, sipType_{CLASS}, SIP_NO_CONVERTORS))
+           return 1;
+
+       if (PySequence_Check(sipPy) && PySequence_Size(sipPy) == 4) {{
+           int rval = 1;
+           PyObject* o1 = PySequence_ITEM(sipPy, 0);
+           PyObject* o2 = PySequence_ITEM(sipPy, 1);
+           PyObject* o3 = PySequence_ITEM(sipPy, 2);
+           PyObject* o4 = PySequence_ITEM(sipPy, 3);
+           if (!PyNumber_Check(o1) || !PyNumber_Check(o2) || !PyNumber_Check(o3) || !PyNumber_Check(o4)) 
+               rval = 0;
+           Py_DECREF(o1);
+           Py_DECREF(o2);
+           Py_DECREF(o3);
+           Py_DECREF(o4);
+           return rval;
+       }}
+       return 0;
+   }}   
+   
+   // otherwise do the conversion
+   if (PySequence_Check(sipPy)) {{
+       PyObject* o1 = PySequence_ITEM(sipPy, 0);
+       PyObject* o2 = PySequence_ITEM(sipPy, 1);
+       PyObject* o3 = PySequence_ITEM(sipPy, 2);
+       PyObject* o4 = PySequence_ITEM(sipPy, 3);       
+       *sipCppPtr = new {CLASS}(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2),
+                                PyFloat_AsDouble(o3), PyFloat_AsDouble(o4));
+       Py_DECREF(o1);
+       Py_DECREF(o2);
+       return sipGetState(sipTransferObj);
+    }}    
+    *sipCppPtr = reinterpret_cast<{CLASS}*>(sipConvertToType(
+                sipPy, sipType_{CLASS}, sipTransferObj, SIP_NO_CONVERTORS, 0, sipIsErr));
+    return 0;
+    """.format(**locals())
+
+
+