]> git.saurik.com Git - wxWidgets.git/blobdiff - wxPython/src/helpers.h
correction for memory leak
[wxWidgets.git] / wxPython / src / helpers.h
index dcc6fb1aea2380a956e4279e004287e877015993..46d04e9f606cee5dcaf864dd1674b4d1d0083bf6 100644 (file)
@@ -15,7 +15,6 @@
 
 #include <wx/wx.h>
 
-
 //----------------------------------------------------------------------
 
 // if we want to handle threads and Python threads are available...
 
 //---------------------------------------------------------------------------
 
-#if defined(__WXMSW__)
-#       define HELPEREXPORT __declspec(dllexport)
-#else
-#       define HELPEREXPORT
-#endif
-
 typedef unsigned char byte;
 
-//----------------------------------------------------------------------
 
 class wxPyApp: public wxApp
 {
@@ -51,9 +43,7 @@ public:
     ~wxPyApp();
     int  MainLoop(void);
     bool OnInit(void);
-//#    void AfterMainLoop(void);
 };
-
 extern wxPyApp *wxPythonApp;
 
 //----------------------------------------------------------------------
@@ -62,32 +52,39 @@ void      __wxPreStart();
 PyObject* __wxStart(PyObject*, PyObject* args);
 void      __wxCleanup();
 
-extern PyObject* wxPython_dict;
+//extern PyObject* wxPython_dict;
 PyObject* __wxSetDictionary(PyObject*, PyObject* args);
 
 void wxPyEventThunker(wxObject*, wxEvent& event);
 
-HELPEREXPORT PyObject* wxPyConstructObject(void* ptr,
-                                           const char* className,
-                                           int setThisOwn=0);
-HELPEREXPORT bool wxPyRestoreThread();
-HELPEREXPORT void wxPySaveThread(bool doSave);
-HELPEREXPORT PyObject* wxPy_ConvertList(wxListBase* list, const char* className);
-HELPEREXPORT long wxPyGetWinHandle(wxWindow* win);
+PyObject* wxPyConstructObject(void* ptr,
+                              const char* className,
+                              int setThisOwn=0);
+PyObject* wxPyConstructObject(void* ptr,
+                              const char* className,
+                              PyObject* klass,
+                              int setThisOwn=0);
+PyObject*  wxPyClassExists(const char* className);
+PyObject*  wxPyMake_wxObject(wxObject* source);
+void       wxPyPtrTypeMap_Add(const char* commonName, const char* ptrName);
+
+PyObject* wxPy_ConvertList(wxListBase* list, const char* className);
+long wxPyGetWinHandle(wxWindow* win);
 
 //----------------------------------------------------------------------
 
-class wxPyUserData : public wxObject {
-public:
-    wxPyUserData(PyObject* obj) { m_obj = obj; Py_INCREF(m_obj); }
-    ~wxPyUserData() {
-        bool doSave = wxPyRestoreThread();
-        Py_DECREF(m_obj);
-        wxPySaveThread(doSave);
-    }
-    PyObject* m_obj;
+struct wxPyTState {
+    PyThreadState* newState;
+    PyThreadState* prevState;
+
+    wxPyTState() : newState(NULL), prevState(NULL) {}
 };
 
+
+wxPyTState* wxPyBeginBlockThreads();
+void        wxPyEndBlockThreads(wxPyTState* state);
+
+
 //----------------------------------------------------------------------
 // Handle wxInputStreams by Joerg Baumann
 // See stream.i for implementations
@@ -98,7 +95,7 @@ WX_DECLARE_LIST(wxString, wxStringPtrList);
 
 // C++ class wxPyInputStream to act as base for python class wxInputStream
 // Use it in python like a python file object
-class wxPyInputStream{
+class wxPyInputStream {
 public:
     // underlying wxInputStream
     wxInputStream* wxi;
@@ -129,20 +126,20 @@ public:
 //----------------------------------------------------------------------
 // These are helpers used by the typemaps
 
-HELPEREXPORT byte* byte_LIST_helper(PyObject* source);
-HELPEREXPORT int* int_LIST_helper(PyObject* source);
-HELPEREXPORT long* long_LIST_helper(PyObject* source);
-HELPEREXPORT char** string_LIST_helper(PyObject* source);
-HELPEREXPORT wxPoint* wxPoint_LIST_helper(PyObject* source);
-HELPEREXPORT wxBitmap** wxBitmap_LIST_helper(PyObject* source);
-HELPEREXPORT wxString* wxString_LIST_helper(PyObject* source);
-HELPEREXPORT wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source);
-
-HELPEREXPORT bool wxSize_helper(PyObject* source, wxSize** obj);
-HELPEREXPORT bool wxPoint_helper(PyObject* source, wxPoint** obj);
-HELPEREXPORT bool wxRealPoint_helper(PyObject* source, wxRealPoint** obj);
-HELPEREXPORT bool wxRect_helper(PyObject* source, wxRect** obj);
-HELPEREXPORT bool wxColour_helper(PyObject* source, wxColour** obj);
+byte* byte_LIST_helper(PyObject* source);
+int* int_LIST_helper(PyObject* source);
+long* long_LIST_helper(PyObject* source);
+char** string_LIST_helper(PyObject* source);
+wxPoint* wxPoint_LIST_helper(PyObject* source, int* npoints);
+wxBitmap** wxBitmap_LIST_helper(PyObject* source);
+wxString* wxString_LIST_helper(PyObject* source);
+wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source);
+
+bool wxSize_helper(PyObject* source, wxSize** obj);
+bool wxPoint_helper(PyObject* source, wxPoint** obj);
+bool wxRealPoint_helper(PyObject* source, wxRealPoint** obj);
+bool wxRect_helper(PyObject* source, wxRect** obj);
+bool wxColour_helper(PyObject* source, wxColour** obj);
 
 //----------------------------------------------------------------------
 
@@ -158,13 +155,6 @@ extern "C" char *SWIG_GetPtrObj(PyObject *obj, void **ptr, char *type);
 # pragma warning(disable:4190)
 #endif
 
-
-
-// Non-const versions to keep SWIG happy.
-extern wxPoint  wxPyDefaultPosition;
-extern wxSize   wxPyDefaultSize;
-extern wxString wxPyEmptyStr;
-
 //----------------------------------------------------------------------
 
 class wxPyCallback : public wxObject {
@@ -193,9 +183,98 @@ private:
 };
 
 //---------------------------------------------------------------------------
+//---------------------------------------------------------------------------
+// These Event classes can be derived from in Python and passed through the
+// event system without loosing anything.  They do this by keeping a reference
+// to themselves and some special case handling in wxPyCallback::EventThunker.
+
+
+class wxPyEvtSelfRef {
+public:
+    wxPyEvtSelfRef();
+    ~wxPyEvtSelfRef();
+
+    void SetSelf(PyObject* self, bool clone=FALSE);
+    PyObject* GetSelf() const;
+
+protected:
+    PyObject*   m_self;
+    bool        m_cloned;
+};
+
+
+class wxPyEvent : public wxEvent, public wxPyEvtSelfRef {
+    DECLARE_DYNAMIC_CLASS(wxPyEvent)
+public:
+    wxPyEvent(int id=0);
+    ~wxPyEvent();
+
+    void CopyObject(wxObject& dest) const;
+};
+
+
+class wxPyCommandEvent : public wxCommandEvent, public wxPyEvtSelfRef {
+    DECLARE_DYNAMIC_CLASS(wxPyCommandEvent)
+public:
+    wxPyCommandEvent(wxEventType commandType = wxEVT_NULL, int id=0);
+    ~wxPyCommandEvent();
 
+    void CopyObject(wxObject& dest) const;
+};
 
 
+//---------------------------------------------------------------------------
+// Export a C API in a struct.  Other modules will be able to load this from
+// the wxc module and will then have safe access to these functions, even if
+// in another shared library.
+
+class wxPyCallbackHelper;
+
+struct wxPyCoreAPI {
+
+    void        (*p_SWIG_MakePtr)(char*, void*, char*);
+    char*       (*p_SWIG_GetPtr)(char*, void**, char*);
+    char*       (*p_SWIG_GetPtrObj)(PyObject*, void**, char*);
+    void        (*p_SWIG_RegisterMapping)(char*, char*, void *(*cast)(void *));
+    void        (*p_SWIG_addvarlink)(PyObject*, char*, PyObject *(*get_attr)(void), int (*set_attr)(PyObject *p));
+    PyObject*   (*p_SWIG_newvarlink)(void);
+
+    wxPyTState* (*p_wxPyBeginBlockThreads)();
+    void        (*p_wxPyEndBlockThreads)(wxPyTState* state);
+
+    PyObject*   (*p_wxPyConstructObject)(void *, const char *, int);
+    PyObject*   (*p_wxPy_ConvertList)(wxListBase* list, const char* className);
+
+    byte*       (*p_byte_LIST_helper)(PyObject* source);
+    int*        (*p_int_LIST_helper)(PyObject* source);
+    long*       (*p_long_LIST_helper)(PyObject* source);
+    char**      (*p_string_LIST_helper)(PyObject* source);
+    wxPoint*    (*p_wxPoint_LIST_helper)(PyObject* source, int* npoints);
+    wxBitmap**  (*p_wxBitmap_LIST_helper)(PyObject* source);
+    wxString*   (*p_wxString_LIST_helper)(PyObject* source);
+    wxAcceleratorEntry*   (*p_wxAcceleratorEntry_LIST_helper)(PyObject* source);
+
+    bool        (*p_wxSize_helper)(PyObject* source, wxSize** obj);
+    bool        (*p_wxPoint_helper)(PyObject* source, wxPoint** obj);
+    bool        (*p_wxRealPoint_helper)(PyObject* source, wxRealPoint** obj);
+    bool        (*p_wxRect_helper)(PyObject* source, wxRect** obj);
+    bool        (*p_wxColour_helper)(PyObject* source, wxColour** obj);
+
+    void        (*p_wxPyCBH_setSelf)(wxPyCallbackHelper& cbh, PyObject* self, PyObject* klass, int incref);
+    bool        (*p_wxPyCBH_findCallback)(const wxPyCallbackHelper& cbh, const char* name);
+    int         (*p_wxPyCBH_callCallback)(const wxPyCallbackHelper& cbh, PyObject* argTuple);
+    PyObject*   (*p_wxPyCBH_callCallbackObj)(const wxPyCallbackHelper& cbh, PyObject* argTuple);
+    void        (*p_wxPyCBH_delete)(wxPyCallbackHelper* cbh);
+
+    PyObject*   (*p_wxPyClassExists)(const char* className);
+    PyObject*   (*p_wxPyMake_wxObject)(wxObject* source);
+    void        (*p_wxPyPtrTypeMap_Add)(const char* commonName, const char* ptrName);
+
+};
+
+#ifdef wxPyUSE_EXPORT
+static wxPyCoreAPI* wxPyCoreAPIPtr = NULL;  // Each module needs one, but may not use it.
+#endif
 
 //---------------------------------------------------------------------------
 // This class holds an instance of a Python Shadow Class object and assists
@@ -204,19 +283,28 @@ private:
 // overridable in wxPython, a new subclass is created that contains a
 // wxPyCallbackHelper.
 //
-// TODO: This class should be combined with wxPyCallback defined above.
-//
 
-class HELPEREXPORT wxPyCallbackHelper {
+class wxPyCallbackHelper {
 public:
-    wxPyCallbackHelper();
-    ~wxPyCallbackHelper();
-
     wxPyCallbackHelper(const wxPyCallbackHelper& other);
 
-    void        setSelf(PyObject* self, PyObject* klass, int incref=TRUE);
+    wxPyCallbackHelper() {
+        m_class = NULL;
+        m_self = NULL;
+        m_lastFound = NULL;
+        m_incRef = FALSE;
+    }
+
+    ~wxPyCallbackHelper() {
+#ifdef wxPyUSE_EXPORT
+        wxPyCoreAPIPtr->p_wxPyCBH_delete(this);
+#else
+        wxPyCBH_delete(this);
+#endif
+    }
 
-    bool        findCallback(const wxString& name) const;
+    void        setSelf(PyObject* self, PyObject* klass, int incref=TRUE);
+    bool        findCallback(const char* name) const;
     int         callCallback(PyObject* argTuple) const;
     PyObject*   callCallbackObj(PyObject* argTuple) const;
 
@@ -225,50 +313,67 @@ private:
     PyObject*   m_class;
     PyObject*   m_lastFound;
     int         m_incRef;
+
+    friend      void wxPyCBH_delete(wxPyCallbackHelper* cbh);
 };
 
 
-//---------------------------------------------------------------------------
-//---------------------------------------------------------------------------
-// These Event classes can be derived from in Python and passed through the
-// event system without loosing anything.  They do this by keeping a reference
-// to themselves and some special case handling in wxPyCallback::EventThunker.
+void wxPyCBH_setSelf(wxPyCallbackHelper& cbh, PyObject* self, PyObject* klass, int incref);
+bool wxPyCBH_findCallback(const wxPyCallbackHelper& cbh, const char* name);
+int  wxPyCBH_callCallback(const wxPyCallbackHelper& cbh, PyObject* argTuple);
+PyObject* wxPyCBH_callCallbackObj(const wxPyCallbackHelper& cbh, PyObject* argTuple);
+void wxPyCBH_delete(wxPyCallbackHelper* cbh);
 
 
-class wxPyEvtSelfRef {
-public:
-    wxPyEvtSelfRef();
-    ~wxPyEvtSelfRef();
-
-    void SetSelf(PyObject* self, bool clone=FALSE);
-    PyObject* GetSelf() const;
-
-protected:
-    PyObject*   m_self;
-    bool        m_cloned;
-};
 
+//----------------------------------------------------------------------
 
-class wxPyEvent : public wxEvent, public wxPyEvtSelfRef {
-    DECLARE_DYNAMIC_CLASS(wxPyEvent)
+class wxPyUserData : public wxObject {
 public:
-    wxPyEvent(int id=0);
-    ~wxPyEvent();
+    wxPyUserData(PyObject* obj) {
+        m_obj = obj;
+        Py_INCREF(m_obj);
+    }
 
-    void CopyObject(wxObject& dest) const;
+    ~wxPyUserData() {
+#ifdef wxPyUSE_EXPORT
+        wxPyTState* state = wxPyCoreAPIPtr->p_wxPyBeginBlockThreads();
+        Py_DECREF(m_obj);
+        wxPyCoreAPIPtr->p_wxPyEndBlockThreads(state);
+#else
+        wxPyTState* state = wxPyBeginBlockThreads();
+        Py_DECREF(m_obj);
+        wxPyEndBlockThreads(state);
+#endif
+    }
+    PyObject* m_obj;
 };
 
 
-class wxPyCommandEvent : public wxCommandEvent, public wxPyEvtSelfRef {
-    DECLARE_DYNAMIC_CLASS(wxPyCommandEvent)
+
+class wxPyClientData : public wxClientData {
 public:
-    wxPyCommandEvent(wxEventType commandType = wxEVT_NULL, int id=0);
-    ~wxPyCommandEvent();
+    wxPyClientData(PyObject* obj) {
+        m_obj = obj;
+        Py_INCREF(m_obj);
+    }
 
-    void CopyObject(wxObject& dest) const;
+    ~wxPyClientData() {
+#ifdef wxPyUSE_EXPORT
+        wxPyTState* state = wxPyCoreAPIPtr->p_wxPyBeginBlockThreads();
+        Py_DECREF(m_obj);
+        wxPyCoreAPIPtr->p_wxPyEndBlockThreads(state);
+#else
+        wxPyTState* state = wxPyBeginBlockThreads();
+        Py_DECREF(m_obj);
+        wxPyEndBlockThreads(state);
+#endif
+    }
+    PyObject* m_obj;
 };
 
 
+
 //---------------------------------------------------------------------------
 // These macros are used to implement the virtual methods that should
 // redirect to a Python method if one exists.  The names designate the
@@ -277,7 +382,7 @@ public:
 
 #define PYPRIVATE                                                       \
     void _setSelf(PyObject* self, PyObject* _class, int incref=1) {     \
-        m_myInst.setSelf(self, _class, incref);                         \
+        wxPyCBH_setSelf(m_myInst, self, _class, incref);                \
     }                                                                   \
     private: wxPyCallbackHelper m_myInst
 
@@ -288,17 +393,18 @@ public:
     void base_##CBNAME();
 
 
-#define IMP_PYCALLBACK__(CLASS, PCLASS, CBNAME)         \
-    void CLASS::CBNAME() {                              \
-        bool doSave = wxPyRestoreThread();              \
-        if (m_myInst.findCallback(#CBNAME))             \
-            m_myInst.callCallback(Py_BuildValue("()")); \
-        else                                            \
-            PCLASS::CBNAME();                           \
-        wxPySaveThread(doSave);                         \
-    }                                                   \
-    void CLASS::base_##CBNAME() {                       \
-        PCLASS::CBNAME();                               \
+#define IMP_PYCALLBACK__(CLASS, PCLASS, CBNAME)                         \
+    void CLASS::CBNAME() {                                              \
+        bool found;                                                     \
+        wxPyTState* state = wxPyBeginBlockThreads();                    \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));        \
+        wxPyEndBlockThreads(state);                                     \
+        if (! found)                                                    \
+            PCLASS::CBNAME();                                           \
+    }                                                                   \
+    void CLASS::base_##CBNAME() {                                       \
+        PCLASS::CBNAME();                                               \
     }
 
 //---------------------------------------------------------------------------
@@ -310,13 +416,13 @@ public:
 
 #define IMP_PYCALLBACK_BOOL_INTINT(CLASS, PCLASS, CBNAME)               \
     bool CLASS::CBNAME(int a, int b) {                                  \
-        bool rval;                                                      \
-        bool doSave = wxPyRestoreThread();                              \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            rval = m_myInst.callCallback(Py_BuildValue("(ii)",a,b));    \
-        else                                                            \
+        bool rval=FALSE, found;                                         \
+        wxPyTState* state = wxPyBeginBlockThreads();                    \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(ii)",a,b));    \
+        wxPyEndBlockThreads(state);                                     \
+        if (! found)                                                    \
             rval = PCLASS::CBNAME(a,b);                                 \
-        wxPySaveThread(doSave);                                         \
         return rval;                                                    \
     }                                                                   \
     bool CLASS::base_##CBNAME(int a, int b) {                           \
@@ -332,12 +438,13 @@ public:
 
 #define IMP_PYCALLBACK_VOID_INTINT(CLASS, PCLASS, CBNAME)               \
     void CLASS::CBNAME(int a, int b) {                                  \
-        bool doSave = wxPyRestoreThread();                              \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            m_myInst.callCallback(Py_BuildValue("(ii)",a,b));           \
-        else                                                            \
+        bool found;                                                     \
+        wxPyTState* state = wxPyBeginBlockThreads();                    \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(ii)",a,b));  \
+        wxPyEndBlockThreads(state);                                     \
+        if (! found)                                                    \
             PCLASS::CBNAME(a,b);                                        \
-        wxPySaveThread(doSave);                                         \
     }                                                                   \
     void CLASS::base_##CBNAME(int a, int b) {                           \
         PCLASS::CBNAME(a,b);                                            \
@@ -352,13 +459,13 @@ public:
 
 #define IMP_PYCALLBACK_BOOL_INT(CLASS, PCLASS, CBNAME)                  \
     bool CLASS::CBNAME(int a) {                                         \
-        bool rval;                                                      \
-        bool doSave = wxPyRestoreThread();                              \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            rval = m_myInst.callCallback(Py_BuildValue("(i)",a));       \
-        else                                                            \
+        bool rval=FALSE, found;                                         \
+        wxPyTState* state = wxPyBeginBlockThreads();                    \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(i)",a));\
+        wxPyEndBlockThreads(state);                                     \
+        if (! found)                                                    \
             rval = PCLASS::CBNAME(a);                                   \
-        wxPySaveThread(doSave);                                         \
         return rval;                                                    \
     }                                                                   \
     bool CLASS::base_##CBNAME(int a) {                                  \
@@ -373,12 +480,12 @@ public:
 
 #define IMP_PYCALLBACK_BOOL_INT_pure(CLASS, PCLASS, CBNAME)             \
     bool CLASS::CBNAME(int a) {                                         \
-        bool rval;                                                      \
-        bool doSave = wxPyRestoreThread();                              \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            rval = m_myInst.callCallback(Py_BuildValue("(i)",a));       \
+        bool rval=FALSE;                                                \
+        wxPyTState* state = wxPyBeginBlockThreads();                    \
+        if (wxPyCBH_findCallback(m_myInst, #CBNAME))                    \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(i)",a));       \
         else rval = FALSE;                                              \
-        wxPySaveThread(doSave);                                         \
+        wxPyEndBlockThreads(state);                                     \
         return rval;                                                    \
     }
 
@@ -390,18 +497,21 @@ public:
     void base_##CBNAME(wxDC& a);
 
 
-#define IMP_PYCALLBACK__DC(CLASS, PCLASS, CBNAME)               \
-    void CLASS::CBNAME(wxDC& a) {                               \
-        bool doSave = wxPyRestoreThread();                      \
-        if (m_myInst.findCallback(#CBNAME))                     \
-            m_myInst.callCallback(Py_BuildValue("(O)",          \
-                            wxPyConstructObject(&a, "wxDC")));  \
-        else                                                    \
-            PCLASS::CBNAME(a);                                  \
-        wxPySaveThread(doSave);                                 \
-    }                                                           \
-    void CLASS::base_##CBNAME(wxDC& a) {                        \
-        PCLASS::CBNAME(a);                                      \
+#define IMP_PYCALLBACK__DC(CLASS, PCLASS, CBNAME)                       \
+    void CLASS::CBNAME(wxDC& a) {                                       \
+        bool found;                                                     \
+        wxPyTState* state = wxPyBeginBlockThreads();                    \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {        \
+            PyObject* obj = wxPyMake_wxObject(&a);                      \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", obj));  \
+            Py_DECREF(obj);                                             \
+        }                                                               \
+        wxPyEndBlockThreads(state);                                     \
+        if (! found)                                                    \
+            PCLASS::CBNAME(a);                                          \
+    }                                                                   \
+    void CLASS::base_##CBNAME(wxDC& a) {                                \
+        PCLASS::CBNAME(a);                                              \
     }
 
 
@@ -415,13 +525,16 @@ public:
 
 #define IMP_PYCALLBACK__DCBOOL(CLASS, PCLASS, CBNAME)                   \
     void CLASS::CBNAME(wxDC& a, bool b) {                               \
-        bool doSave = wxPyRestoreThread();                              \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            m_myInst.callCallback(Py_BuildValue("(Oi)",                 \
-                            wxPyConstructObject(&a, "wxDC"), (int)b));  \
-        else                                                            \
+        bool found;                                                     \
+        wxPyTState* state = wxPyBeginBlockThreads();                    \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {        \
+            PyObject* obj = wxPyMake_wxObject(&a);                      \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(Oi)", obj, (int)b));  \
+            Py_DECREF(obj);                                             \
+        }                                                               \
+        wxPyEndBlockThreads(state);                                     \
+        if (! found)                                                    \
             PCLASS::CBNAME(a, b);                                       \
-        wxPySaveThread(doSave);                                         \
     }                                                                   \
     void CLASS::base_##CBNAME(wxDC& a, bool b) {                        \
         PCLASS::CBNAME(a, b);                                           \
@@ -436,13 +549,16 @@ public:
 
 #define IMP_PYCALLBACK__DCBOOL(CLASS, PCLASS, CBNAME)                   \
     void CLASS::CBNAME(wxDC& a, bool b) {                               \
-        bool doSave = wxPyRestoreThread();                              \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            m_myInst.callCallback(Py_BuildValue("(Oi)",                 \
-                            wxPyConstructObject(&a, "wxDC"), (int)b));  \
-        else                                                            \
+        bool found;                                                     \
+        wxPyTState* state = wxPyBeginBlockThreads();                    \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {        \
+            PyObject* obj = wxPyMake_wxObject(&a);                      \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(Oi)", obj, (int)b));  \
+            Py_DECREF(obj);                                             \
+        }                                                               \
+        wxPyEndBlockThreads(state);                                     \
+        if (! found)                                                    \
             PCLASS::CBNAME(a, b);                                       \
-                wxPySaveThread(doSave);                                 \
     }                                                                   \
     void CLASS::base_##CBNAME(wxDC& a, bool b) {                        \
         PCLASS::CBNAME(a, b);                                           \
@@ -455,17 +571,18 @@ public:
     void base_##CBNAME(double a, double b);
 
 
-#define IMP_PYCALLBACK__2DBL(CLASS, PCLASS, CBNAME)             \
-    void CLASS::CBNAME(double a, double b) {                    \
-        bool doSave = wxPyRestoreThread();                      \
-        if (m_myInst.findCallback(#CBNAME))                     \
-            m_myInst.callCallback(Py_BuildValue("(dd)",a,b));   \
-        else                                                    \
-            PCLASS::CBNAME(a, b);                               \
-        wxPySaveThread(doSave);                                 \
-    }                                                           \
-    void CLASS::base_##CBNAME(double a, double b) {             \
-        PCLASS::CBNAME(a, b);                                   \
+#define IMP_PYCALLBACK__2DBL(CLASS, PCLASS, CBNAME)                     \
+    void CLASS::CBNAME(double a, double b) {                            \
+        bool found;                                                     \
+        wxPyTState* state = wxPyBeginBlockThreads();                    \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(dd)",a,b));  \
+        wxPyEndBlockThreads(state);                                     \
+        if (! found)                                                    \
+            PCLASS::CBNAME(a, b);                                       \
+    }                                                                   \
+    void CLASS::base_##CBNAME(double a, double b) {                     \
+        PCLASS::CBNAME(a, b);                                           \
     }
 
 //---------------------------------------------------------------------------
@@ -477,13 +594,14 @@ public:
 
 #define IMP_PYCALLBACK__2DBL2INT(CLASS, PCLASS, CBNAME)                 \
     void CLASS::CBNAME(double a, double b, int c, int d) {              \
-        bool doSave = wxPyRestoreThread();                              \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            m_myInst.callCallback(Py_BuildValue("(ddii)",               \
+        bool found;                                                     \
+        wxPyTState* state = wxPyBeginBlockThreads();                    \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(ddii)",      \
                                                        a,b,c,d));       \
-        else                                                            \
+        wxPyEndBlockThreads(state);                                     \
+        if (! found)                                                    \
             PCLASS::CBNAME(a, b, c, d);                                 \
-        wxPySaveThread(doSave);                                         \
     }                                                                   \
     void CLASS::base_##CBNAME(double a, double b, int c, int d) {       \
         PCLASS::CBNAME(a, b, c, d);                                     \
@@ -491,21 +609,23 @@ public:
 
 //---------------------------------------------------------------------------
 
-#define DEC_PYCALLBACK__DC4DBLBOOL(CBNAME)                              \
+#define DEC_PYCALLBACK__DC4DBLBOOL(CBNAME)                                      \
     void CBNAME(wxDC& a, double b, double c, double d, double e, bool f);       \
     void base_##CBNAME(wxDC& a, double b, double c, double d, double e, bool f);
 
 
 #define IMP_PYCALLBACK__DC4DBLBOOL(CLASS, PCLASS, CBNAME)                               \
     void CLASS::CBNAME(wxDC& a, double b, double c, double d, double e, bool f) {       \
-        bool doSave = wxPyRestoreThread();                                              \
-        if (m_myInst.findCallback(#CBNAME))                                             \
-            m_myInst.callCallback(Py_BuildValue("(Oddddi)",                             \
-                                   wxPyConstructObject(&a, "wxDC"),                     \
-                                              b, c, d, e, (int)f));                     \
-        else                                                                            \
+        bool found;                                                                     \
+        wxPyTState* state = wxPyBeginBlockThreads();                                    \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                        \
+            PyObject* obj = wxPyMake_wxObject(&a);                                      \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(Oddddi)", obj, b, c, d, e, (int)f));  \
+            Py_DECREF(obj);                                                             \
+        }                                                                               \
+        wxPyEndBlockThreads(state);                                                     \
+        if (! found)                                                                    \
             PCLASS::CBNAME(a, b, c, d, e, f);                                           \
-        wxPySaveThread(doSave);                                                         \
     }                                                                                   \
     void CLASS::base_##CBNAME(wxDC& a, double b, double c, double d, double e, bool f) {\
         PCLASS::CBNAME(a, b, c, d, e, f);                                               \
@@ -520,15 +640,17 @@ public:
 
 #define IMP_PYCALLBACK_BOOL_DC4DBLBOOL(CLASS, PCLASS, CBNAME)                           \
     bool CLASS::CBNAME(wxDC& a, double b, double c, double d, double e, bool f) {       \
-        bool doSave = wxPyRestoreThread();                                              \
-        bool rval;                                                                      \
-        if (m_myInst.findCallback(#CBNAME))                                             \
-            rval = m_myInst.callCallback(Py_BuildValue("(Oddddi)",                      \
-                                   wxPyConstructObject(&a, "wxDC"),                     \
-                                              b, c, d, e, (int)f));                     \
-        else                                                                            \
+        bool found;                                                                     \
+        wxPyTState* state = wxPyBeginBlockThreads();                                    \
+        bool rval=FALSE;                                                                \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                        \
+            PyObject* obj = wxPyMake_wxObject(&a);                                      \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(Oddddi)", obj, b, c, d, e, (int)f));\
+            Py_DECREF(obj);                                                             \
+        }                                                                               \
+        wxPyEndBlockThreads(state);                                                     \
+        if (! found)                                                                    \
             rval = PCLASS::CBNAME(a, b, c, d, e, f);                                    \
-        wxPySaveThread(doSave);                                                         \
         return rval;                                                                    \
     }                                                                                   \
     bool CLASS::base_##CBNAME(wxDC& a, double b, double c, double d, double e, bool f) {\
@@ -544,13 +666,14 @@ public:
 
 #define IMP_PYCALLBACK__BOOL2DBL2INT(CLASS, PCLASS, CBNAME)                     \
     void CLASS::CBNAME(bool a, double b, double c, int d, int e) {              \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME))                                     \
-            m_myInst.callCallback(Py_BuildValue("(idii)",                       \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(iddii)",             \
                                                 (int)a,b,c,d,e));               \
-        else                                                                    \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
             PCLASS::CBNAME(a, b, c, d, e);                                      \
-        wxPySaveThread(doSave);                                                 \
     }                                                                           \
     void CLASS::base_##CBNAME(bool a, double b, double c, int d, int e) {       \
         PCLASS::CBNAME(a, b, c, d, e);                                          \
@@ -558,21 +681,23 @@ public:
 
 //---------------------------------------------------------------------------
 
-#define DEC_PYCALLBACK__DC4DBL(CBNAME)                                      \
+#define DEC_PYCALLBACK__DC4DBL(CBNAME)                                          \
     void CBNAME(wxDC& a, double b, double c, double d, double e);               \
     void base_##CBNAME(wxDC& a, double b, double c, double d, double e);
 
 
 #define IMP_PYCALLBACK__DC4DBL(CLASS, PCLASS, CBNAME)                           \
     void CLASS::CBNAME(wxDC& a, double b, double c, double d, double e) {       \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME))                                     \
-            m_myInst.callCallback(Py_BuildValue("(Odddd)",                      \
-                                   wxPyConstructObject(&a, "wxDC"),             \
-                                                     b, c, d, e));              \
-        else                                                                    \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* obj = wxPyMake_wxObject(&a);                              \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(Odddd)", obj, b, c, d, e));   \
+            Py_DECREF(obj);                                                     \
+        }                                                                       \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
             PCLASS::CBNAME(a, b, c, d, e);                                      \
-        wxPySaveThread(doSave);                                                 \
     }                                                                           \
     void CLASS::base_##CBNAME(wxDC& a, double b, double c, double d, double e) {\
         PCLASS::CBNAME(a, b, c, d, e);                                          \
@@ -585,19 +710,21 @@ public:
     void base_##CBNAME(wxDC& a, bool b);
 
 
-#define IMP_PYCALLBACK__DCBOOL(CLASS, PCLASS, CBNAME)                   \
-    void CLASS::CBNAME(wxDC& a, bool b) {                               \
-        bool doSave = wxPyRestoreThread();                              \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            m_myInst.callCallback(Py_BuildValue("(Oi)",                 \
-                                   wxPyConstructObject(&a, "wxDC"),     \
-                                                     (int)b));          \
-        else                                                            \
-            PCLASS::CBNAME(a, b);                                       \
-        wxPySaveThread(doSave);                                         \
-    }                                                                   \
-    void CLASS::base_##CBNAME(wxDC& a, bool b) {                        \
-        PCLASS::CBNAME(a, b);                                           \
+#define IMP_PYCALLBACK__DCBOOL(CLASS, PCLASS, CBNAME)                           \
+    void CLASS::CBNAME(wxDC& a, bool b) {                                       \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* obj = wxPyMake_wxObject(&a);                              \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(Oi)", obj, (int)b)); \
+            Py_DECREF(obj);                                                     \
+        }                                                                       \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
+            PCLASS::CBNAME(a, b);                                               \
+    }                                                                           \
+    void CLASS::base_##CBNAME(wxDC& a, bool b) {                                \
+        PCLASS::CBNAME(a, b);                                                   \
     }
 
 //---------------------------------------------------------------------------
@@ -610,14 +737,16 @@ public:
 #define IMP_PYCALLBACK__WXCPBOOL2DBL2INT(CLASS, PCLASS, CBNAME)                 \
     void CLASS::CBNAME(wxControlPoint* a, bool b, double c, double d,           \
                 int e, int f) {                                                 \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME))                                     \
-            m_myInst.callCallback(Py_BuildValue("(Oiddii)",                     \
-                                 wxPyConstructObject(a, "wxPyControlPoint"),    \
-                                 (int)b, c, d, e, f));                          \
-        else                                                                    \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* obj = wxPyMake_wxObject(a);                               \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(Oiddii)", obj, (int)b, c, d, e, f));\
+            Py_DECREF(obj);                                                     \
+        }                                                                       \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
             PCLASS::CBNAME(a, b, c, d, e, f);                                   \
-        wxPySaveThread(doSave);                                                 \
     }                                                                           \
     void CLASS::base_##CBNAME(wxControlPoint* a, bool b, double c, double d,    \
                        int e, int f) {                                          \
@@ -633,14 +762,16 @@ public:
 
 #define IMP_PYCALLBACK__WXCP2DBL2INT(CLASS, PCLASS, CBNAME)                     \
     void CLASS::CBNAME(wxControlPoint* a, double b, double c, int d, int e) {   \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME))                                     \
-            m_myInst.callCallback(Py_BuildValue("(Oddii)",                      \
-                                 wxPyConstructObject(a, "wxPyControlPoint"),    \
-                                 b, c, d, e));                                  \
-        else                                                                    \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* obj = wxPyMake_wxObject(a);                               \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(Oddii)", obj, b, c, d, e));   \
+            Py_DECREF(obj);                                                     \
+        }                                                                       \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
             PCLASS::CBNAME(a, b, c, d, e);                                      \
-        wxPySaveThread(doSave);                                                 \
     }                                                                           \
     void CLASS::base_##CBNAME(wxControlPoint* a, double b, double c,            \
                        int d, int e) {                                          \
@@ -654,17 +785,18 @@ public:
     void base_##CBNAME(double a, double b, int c);
 
 
-#define IMP_PYCALLBACK__2DBLINT(CLASS, PCLASS, CBNAME)                  \
-    void CLASS::CBNAME(double a, double b, int c) {                     \
-        bool doSave = wxPyRestoreThread();                              \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            m_myInst.callCallback(Py_BuildValue("(ddi)", a,b,c));       \
-        else                                                            \
-            PCLASS::CBNAME(a, b, c);                                    \
-        wxPySaveThread(doSave);                                         \
-    }                                                                   \
-    void CLASS::base_##CBNAME(double a, double b, int c) {              \
-        PCLASS::CBNAME(a, b, c);                                        \
+#define IMP_PYCALLBACK__2DBLINT(CLASS, PCLASS, CBNAME)                          \
+    void CLASS::CBNAME(double a, double b, int c) {                             \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(ddi)", a,b,c));      \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
+            PCLASS::CBNAME(a, b, c);                                            \
+    }                                                                           \
+    void CLASS::base_##CBNAME(double a, double b, int c) {                      \
+        PCLASS::CBNAME(a, b, c);                                                \
     }
 
 //---------------------------------------------------------------------------
@@ -676,12 +808,13 @@ public:
 
 #define IMP_PYCALLBACK__BOOL2DBLINT(CLASS, PCLASS, CBNAME)                      \
     void CLASS::CBNAME(bool a, double b, double c, int d) {                     \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME))                                     \
-            m_myInst.callCallback(Py_BuildValue("(iddi)", (int)a,b,c,d));       \
-        else                                                                    \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(iddi)", (int)a,b,c,d));\
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
             PCLASS::CBNAME(a, b, c, d);                                         \
-        wxPySaveThread(doSave);                                                 \
     }                                                                           \
     void CLASS::base_##CBNAME(bool a, double b, double c, int d) {              \
         PCLASS::CBNAME(a, b, c, d);                                             \
@@ -695,17 +828,18 @@ public:
     void base_##CBNAME(const wxString& a);
 
 
-#define IMP_PYCALLBACK__STRING(CLASS, PCLASS, CBNAME)                   \
-    void CLASS::CBNAME(const wxString& a)  {                            \
-        bool doSave = wxPyRestoreThread();                              \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            m_myInst.callCallback(Py_BuildValue("(s)", a.c_str()));     \
-        else                                                            \
-            PCLASS::CBNAME(a);                                          \
-        wxPySaveThread(doSave);                                         \
-    }                                                                   \
-    void CLASS::base_##CBNAME(const wxString& a) {                      \
-        PCLASS::CBNAME(a);                                              \
+#define IMP_PYCALLBACK__STRING(CLASS, PCLASS, CBNAME)                           \
+    void CLASS::CBNAME(const wxString& a)  {                                    \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(s)", a.c_str()));    \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
+            PCLASS::CBNAME(a);                                                  \
+    }                                                                           \
+    void CLASS::base_##CBNAME(const wxString& a) {                              \
+        PCLASS::CBNAME(a);                                                      \
     }
 
 //---------------------------------------------------------------------------
@@ -717,13 +851,14 @@ public:
 
 #define IMP_PYCALLBACK_BOOL_STRING(CLASS, PCLASS, CBNAME)                       \
     bool CLASS::CBNAME(const wxString& a)  {                                    \
-        bool rval;                                                              \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME))                                     \
-            rval = m_myInst.callCallback(Py_BuildValue("(s)", a.c_str()));      \
-        else                                                                    \
+        bool rval=FALSE;                                                        \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(s)", a.c_str()));\
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
             rval = PCLASS::CBNAME(a);                                           \
-        wxPySaveThread(doSave);                                                 \
         return rval;                                                            \
     }                                                                           \
     bool CLASS::base_##CBNAME(const wxString& a) {                              \
@@ -735,15 +870,15 @@ public:
 #define DEC_PYCALLBACK_BOOL_STRING_pure(CBNAME)         \
     bool CBNAME(const wxString& a);
                    \
-#define IMP_PYCALLBACK_BOOL_STRING_pure(CLASS, PCLASS, CBNAME)                  \
-    bool CLASS::CBNAME(const wxString& a)  {                                    \
-        bool rval;                                                              \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME))                                     \
-            rval = m_myInst.callCallback(Py_BuildValue("(s)", a.c_str()));      \
-        wxPySaveThread(doSave);                                                 \
-        return rval;                                                            \
-    }                                                                           \
+#define IMP_PYCALLBACK_BOOL_STRING_pure(CLASS, PCLASS, CBNAME)                          \
+    bool CLASS::CBNAME(const wxString& a)  {                                            \
+        bool rval=FALSE;                                                                \
+        wxPyTState* state = wxPyBeginBlockThreads();                                    \
+        if (wxPyCBH_findCallback(m_myInst, #CBNAME))                                    \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(s)", a.c_str()));     \
+        wxPyEndBlockThreads(state);                                                     \
+        return rval;                                                                    \
+    }                                                                                   \
 
 //---------------------------------------------------------------------------
 
@@ -753,16 +888,17 @@ public:
 #define IMP_PYCALLBACK_STRING_STRING_pure(CLASS, PCLASS, CBNAME)                \
     wxString CLASS::CBNAME(const wxString& a)  {                                \
         wxString rval;                                                          \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME)) {                                   \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if (wxPyCBH_findCallback(m_myInst, #CBNAME)) {                          \
             PyObject* ro;                                                       \
-            ro = m_myInst.callCallbackObj(Py_BuildValue("(s)", a.c_str()));     \
+            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("(s)", a.c_str()));\
             if (ro) {                                                           \
-                rval = PyString_AsString(PyObject_Str(ro));                     \
-                Py_DECREF(ro);                                                  \
+                PyObject* str = PyObject_Str(ro);                               \
+                rval = PyString_AsString(str);                                  \
+                Py_DECREF(ro);   Py_DECREF(str);                                \
             }                                                                   \
         }                                                                       \
-        wxPySaveThread(doSave);                                                 \
+        wxPyEndBlockThreads(state);                                             \
         return rval;                                                            \
     }                                                                           \
 
@@ -774,16 +910,17 @@ public:
 #define IMP_PYCALLBACK_STRING_STRINGINT_pure(CLASS, PCLASS, CBNAME)             \
     wxString CLASS::CBNAME(const wxString& a,int b)  {                          \
         wxString rval;                                                          \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME)) {                                   \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if (wxPyCBH_findCallback(m_myInst, #CBNAME)) {                          \
             PyObject* ro;                                                       \
-            ro = m_myInst.callCallbackObj(Py_BuildValue("(si)", a.c_str(),b));  \
+            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("(si)", a.c_str(),b));  \
             if (ro) {                                                           \
-                rval = PyString_AsString(PyObject_Str(ro));                     \
-                Py_DECREF(ro);                                                  \
+                PyObject* str = PyObject_Str(ro);                               \
+                rval = PyString_AsString(str);                                  \
+                Py_DECREF(ro);   Py_DECREF(str);                                \
             }                                                                   \
         }                                                                       \
-        wxPySaveThread(doSave);                                                 \
+        wxPyEndBlockThreads(state);                                             \
         return rval;                                                            \
     }                                                                           \
 
@@ -796,14 +933,15 @@ public:
 
 #define IMP_PYCALLBACK_BOOL_STRINGSTRING(CLASS, PCLASS, CBNAME)                 \
     bool CLASS::CBNAME(const wxString& a, const wxString& b) {                  \
-        bool rval;                                                              \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME))                                     \
-            rval = m_myInst.callCallback(Py_BuildValue("(ss)",                  \
+        bool rval=FALSE;                                                        \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(ss)",         \
                                                        a.c_str(), b.c_str()));  \
-        else                                                                    \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
             rval = PCLASS::CBNAME(a, b);                                        \
-        wxPySaveThread(doSave);                                                 \
         return rval;                                                            \
     }                                                                           \
     bool CLASS::base_##CBNAME(const wxString& a, const wxString& b) {           \
@@ -820,18 +958,20 @@ public:
 #define IMP_PYCALLBACK_STRING_(CLASS, PCLASS, CBNAME)                           \
     wxString CLASS::CBNAME() {                                                  \
         wxString rval;                                                          \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME)) {                                   \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
             PyObject* ro;                                                       \
-            ro = m_myInst.callCallbackObj(Py_BuildValue("()"));                 \
+            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("()"));        \
             if (ro) {                                                           \
-                rval = PyString_AsString(PyObject_Str(ro));                     \
-                Py_DECREF(ro);                                                  \
+                PyObject* str = PyObject_Str(ro);                               \
+                rval = PyString_AsString(str);                                  \
+                Py_DECREF(ro);  Py_DECREF(str);                                 \
             }                                                                   \
         }                                                                       \
-        else                                                                    \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
             rval = PCLASS::CBNAME();                                            \
-        wxPySaveThread(doSave);                                                 \
         return rval;                                                            \
     }                                                                           \
     wxString CLASS::base_##CBNAME() {                                           \
@@ -847,16 +987,17 @@ public:
 #define IMP_PYCALLBACK_STRING__pure(CLASS, PCLASS, CBNAME)                      \
     wxString CLASS::CBNAME() {                                                  \
         wxString rval;                                                          \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME)) {                                   \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if (wxPyCBH_findCallback(m_myInst, #CBNAME)) {                          \
             PyObject* ro;                                                       \
-            ro = m_myInst.callCallbackObj(Py_BuildValue("()"));                 \
+            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("()"));        \
             if (ro) {                                                           \
-                rval = PyString_AsString(PyObject_Str(ro));                     \
-                Py_DECREF(ro);                                                  \
+                PyObject* str = PyObject_Str(ro);                               \
+                rval = PyString_AsString(str);                                  \
+                Py_DECREF(ro);   Py_DECREF(str);                                \
             }                                                                   \
         }                                                                       \
-        wxPySaveThread(doSave);                                                 \
+        wxPyEndBlockThreads(state);                                             \
         return rval;                                                            \
     }
 
@@ -868,12 +1009,14 @@ public:
 
 #define IMP_PYCALLBACK_BOOL_TAG_pure(CLASS, PCLASS, CBNAME)                     \
     bool CLASS::CBNAME(const wxHtmlTag& a)  {                                   \
-        bool rval = FALSE;                                                      \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME))                                     \
-            rval = m_myInst.callCallback(Py_BuildValue("(O)",                   \
-                                         wxPyConstructObject((void*)&a,"wxHtmlTag"))); \
-        wxPySaveThread(doSave);                                                 \
+        bool rval=FALSE;                                                        \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if (wxPyCBH_findCallback(m_myInst, #CBNAME)) {                          \
+            PyObject* obj = wxPyConstructObject((void*)&a, "wxHtmlTag", 0);     \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", obj));   \
+            Py_DECREF(obj);                                                     \
+        }                                                                       \
+        wxPyEndBlockThreads(state);                                             \
         return rval;                                                            \
     }
 
@@ -885,10 +1028,10 @@ public:
 
 #define IMP_PYCALLBACK___pure(CLASS, PCLASS, CBNAME)                            \
     void CLASS::CBNAME() {                                                      \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME))                                     \
-            m_myInst.callCallback(Py_BuildValue("()"));                         \
-        wxPySaveThread(doSave);                                                 \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if (wxPyCBH_findCallback(m_myInst, #CBNAME))                            \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));                \
+        wxPyEndBlockThreads(state);                                             \
     }
 
 //---------------------------------------------------------------------------
@@ -900,18 +1043,18 @@ public:
 #define IMP_PYCALLBACK_wxSize__pure(CLASS, PCLASS, CBNAME)                      \
     wxSize CLASS::CBNAME() {                                                    \
         wxSize rval(0,0);                                                       \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME)) {                                   \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if (wxPyCBH_findCallback(m_myInst, #CBNAME)) {                          \
             PyObject* ro;                                                       \
             wxSize*   ptr;                                                      \
-            ro = m_myInst.callCallbackObj(Py_BuildValue("()"));                 \
+            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("()"));        \
             if (ro) {                                                           \
                 if (! SWIG_GetPtrObj(ro, (void **)&ptr, "_wxSize_p"))           \
                     rval = *ptr;                                                \
                 Py_DECREF(ro);                                                  \
             }                                                                   \
         }                                                                       \
-        wxPySaveThread(doSave);                                                 \
+        wxPyEndBlockThreads(state);                                             \
         return rval;                                                            \
     }
 
@@ -922,20 +1065,23 @@ public:
     bool base_##CBNAME(wxWindow* a);
 
 
-#define IMP_PYCALLBACK_BOOL_WXWIN(CLASS, PCLASS, CBNAME)                \
-    bool CLASS::CBNAME(wxWindow* a) {                                   \
-        bool rval;                                                      \
-        bool doSave = wxPyRestoreThread();                              \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            rval = m_myInst.callCallback(Py_BuildValue("(O)",           \
-                            wxPyConstructObject((void*)a,"wxWindow"))); \
-        else                                                            \
-            rval = PCLASS::CBNAME(a);                                   \
-        wxPySaveThread(doSave);                                         \
-        return rval;                                                    \
-    }                                                                   \
-    bool CLASS::base_##CBNAME(wxWindow* a) {                            \
-        return PCLASS::CBNAME(a);                                       \
+#define IMP_PYCALLBACK_BOOL_WXWIN(CLASS, PCLASS, CBNAME)                        \
+    bool CLASS::CBNAME(wxWindow* a) {                                           \
+        bool rval=FALSE;                                                        \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* obj = wxPyMake_wxObject(a);                               \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", obj));   \
+            Py_DECREF(obj);                                                     \
+        }                                                                       \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
+            rval = PCLASS::CBNAME(a);                                           \
+        return rval;                                                            \
+    }                                                                           \
+    bool CLASS::base_##CBNAME(wxWindow* a) {                                    \
+        return PCLASS::CBNAME(a);                                               \
     }
 
 //---------------------------------------------------------------------------
@@ -945,41 +1091,43 @@ public:
     bool base_##CBNAME();
 
 
-#define IMP_PYCALLBACK_BOOL_(CLASS, PCLASS, CBNAME)                     \
-    bool CLASS::CBNAME() {                                              \
-        bool rval;                                                      \
-        bool doSave = wxPyRestoreThread();                              \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            rval = m_myInst.callCallback(Py_BuildValue("()"));          \
-        else                                                            \
-            rval = PCLASS::CBNAME();                                    \
-        wxPySaveThread(doSave);                                         \
-        return rval;                                                    \
-    }                                                                   \
-    bool CLASS::base_##CBNAME() {                                       \
-        return PCLASS::CBNAME();                                        \
+#define IMP_PYCALLBACK_BOOL_(CLASS, PCLASS, CBNAME)                             \
+    bool CLASS::CBNAME() {                                                      \
+        bool rval=FALSE;                                                        \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));         \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
+            rval = PCLASS::CBNAME();                                            \
+        return rval;                                                            \
+    }                                                                           \
+    bool CLASS::base_##CBNAME() {                                               \
+        return PCLASS::CBNAME();                                                \
     }
 
 //---------------------------------------------------------------------------
 
-#define DEC_PYCALLBACK_DR_2WXCDR(CBNAME)                 \
-    wxDragResult CBNAME(wxCoord x, wxCoord y, wxDragResult def);    \
+#define DEC_PYCALLBACK_DR_2WXCDR(CBNAME)                                \
+    wxDragResult CBNAME(wxCoord x, wxCoord y, wxDragResult def);        \
     wxDragResult base_##CBNAME(wxCoord x, wxCoord y, wxDragResult def);
 
 
-#define IMP_PYCALLBACK_DR_2WXCDR(CLASS, PCLASS, CBNAME)                 \
-    wxDragResult CLASS::CBNAME(wxCoord a, wxCoord b, wxDragResult c) {  \
-        bool doSave = wxPyRestoreThread();                              \
-        int rval;                                                       \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            rval = m_myInst.callCallback(Py_BuildValue("(iii)", a,b,c));\
-        else                                                            \
-            rval = PCLASS::CBNAME(a, b, c);                             \
-        wxPySaveThread(doSave);                                         \
-        return (wxDragResult)rval;                                      \
-    }                                                                   \
-    wxDragResult CLASS::base_##CBNAME(wxCoord a, wxCoord b, wxDragResult c) { \
-        return PCLASS::CBNAME(a, b, c);                                       \
+#define IMP_PYCALLBACK_DR_2WXCDR(CLASS, PCLASS, CBNAME)                         \
+    wxDragResult CLASS::CBNAME(wxCoord a, wxCoord b, wxDragResult c) {          \
+        int rval=0;                                                             \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(iii)", a,b,c));\
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
+            rval = PCLASS::CBNAME(a, b, c);                                     \
+        return (wxDragResult)rval;                                              \
+    }                                                                           \
+    wxDragResult CLASS::base_##CBNAME(wxCoord a, wxCoord b, wxDragResult c) {   \
+        return PCLASS::CBNAME(a, b, c);                                         \
     }
 
 //---------------------------------------------------------------------------
@@ -989,18 +1137,20 @@ public:
 
 #define IMP_PYCALLBACK_FSF_FSSTRING_pure(CLASS, PCLASS, CBNAME)         \
     wxFSFile* CLASS::CBNAME(wxFileSystem& a,const wxString& b) {        \
-        bool doSave = wxPyRestoreThread();                              \
+        wxPyTState* state = wxPyBeginBlockThreads();                    \
         wxFSFile* rval=0;                                               \
-        if (m_myInst.findCallback(#CBNAME)) {                           \
+        if (wxPyCBH_findCallback(m_myInst, #CBNAME)) {                  \
             PyObject* ro;                                               \
-            ro=m_myInst.callCallbackObj(Py_BuildValue("(Os)",           \
-            wxPyConstructObject(&a, "(wxFileSystemC"),b.c_str()));      \
+            PyObject* obj = wxPyMake_wxObject(&a);                      \
+            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("(Os)",\
+                                          obj, b.c_str()));             \
             if (ro) {                                                   \
                 SWIG_GetPtrObj(ro, (void **)&rval, "_wxFSFILE_p");      \
                 Py_DECREF(ro);                                          \
             }                                                           \
-      }                                                                 \
-        wxPySaveThread(doSave);                                         \
+            Py_DECREF(obj);                                             \
+        }                                                               \
+        wxPyEndBlockThreads(state);                                     \
         return rval;                                                    \
     };
 
@@ -1013,13 +1163,14 @@ public:
 
 #define IMP_PYCALLBACK_BOOL_DR(CLASS, PCLASS, CBNAME)                   \
     bool CLASS::CBNAME(wxDragResult a) {                                \
-        bool doSave = wxPyRestoreThread();                              \
-        bool rval;                                                      \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            rval = m_myInst.callCallback(Py_BuildValue("(i)", a));      \
-        else                                                            \
+        bool rval=FALSE;                                                \
+        bool found;                                                     \
+        wxPyTState* state = wxPyBeginBlockThreads();                    \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(i)", a));\
+        wxPyEndBlockThreads(state);                                     \
+        if (! found)                                                    \
             rval = PCLASS::CBNAME(a);                                   \
-        wxPySaveThread(doSave);                                         \
         return rval;                                                    \
     }                                                                   \
     bool CLASS::base_##CBNAME(wxDragResult a) {                         \
@@ -1034,11 +1185,11 @@ public:
 
 #define IMP_PYCALLBACK_DR_2WXCDR_pure(CLASS, PCLASS, CBNAME)            \
     wxDragResult CLASS::CBNAME(wxCoord a, wxCoord b, wxDragResult c) {  \
-        bool doSave = wxPyRestoreThread();                              \
-        int rval;                                                       \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            rval = m_myInst.callCallback(Py_BuildValue("(iii)", a,b,c));\
-        wxPySaveThread(doSave);                                         \
+        wxPyTState* state = wxPyBeginBlockThreads();                    \
+        int rval=0;                                                     \
+        if (wxPyCBH_findCallback(m_myInst, #CBNAME))                    \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(iii)", a,b,c));\
+        wxPyEndBlockThreads(state);                                     \
         return (wxDragResult)rval;                                      \
     }                                                                   \
 
@@ -1050,11 +1201,11 @@ public:
 
 #define IMP_PYCALLBACK_BOOL_INTINTSTR_pure(CLASS, PCLASS, CBNAME)       \
     bool CLASS::CBNAME(int a, int b, const wxString& c) {               \
-        bool rval;                                                      \
-        bool doSave = wxPyRestoreThread();                              \
-        if (m_myInst.findCallback(#CBNAME))                             \
-            rval = m_myInst.callCallback(Py_BuildValue("(iis)",a,b,c.c_str()));\
-        wxPySaveThread(doSave);                                         \
+        bool rval=FALSE;                                                \
+        wxPyTState* state = wxPyBeginBlockThreads();                    \
+        if (wxPyCBH_findCallback(m_myInst, #CBNAME))                    \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(iis)",a,b,c.c_str()));\
+        wxPyEndBlockThreads(state);                                     \
         return rval;                                                    \
     }                                                                   \
 
@@ -1067,13 +1218,14 @@ public:
 
 #define IMP_PYCALLBACK_SIZET_(CLASS, PCLASS, CBNAME)                            \
     size_t CLASS::CBNAME() {                                                    \
-        size_t rval;                                                            \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME))                                     \
-            rval = m_myInst.callCallback(Py_BuildValue("()"));                  \
-        else                                                                    \
+        size_t rval=0;                                                          \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));         \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
             rval = PCLASS::CBNAME();                                            \
-        wxPySaveThread(doSave);                                                 \
         return rval;                                                            \
     }                                                                           \
     size_t CLASS::base_##CBNAME() {                                             \
@@ -1082,28 +1234,29 @@ public:
 
 //---------------------------------------------------------------------------
 
-#define DEC_PYCALLBACK_DATAFMT_SIZET(CBNAME)                  \
-    wxDataFormat  CBNAME();                                        \
-    wxDataFormat  base_##CBNAME();
+#define DEC_PYCALLBACK_DATAFMT_SIZET(CBNAME)                                    \
+    wxDataFormat  CBNAME(size_t a);                                             \
+    wxDataFormat  base_##CBNAME(size_t a);
 
 
 #define IMP_PYCALLBACK_DATAFMT_SIZET(CLASS, PCLASS, CBNAME)                     \
     wxDataFormat CLASS::CBNAME(size_t a) {                                      \
-        wxDataFormat rval;                                                      \
-        bool doSave = wxPyRestoreThread();                                      \
-        if (m_myInst.findCallback(#CBNAME)) {                                   \
+        wxDataFormat rval=0;                                                    \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
             PyObject* ro;                                                       \
             wxDataFormat* ptr;                                                  \
-            ro = m_myInst.callCallbackObj(Py_BuildValue("(i)", a));             \
+            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("(i)", a));    \
             if (ro) {                                                           \
                 if (! SWIG_GetPtrObj(ro, (void **)&ptr, "_wxDataFormat_p"))     \
                     rval = *ptr;                                                \
                 Py_DECREF(ro);                                                  \
             }                                                                   \
         }                                                                       \
-        else                                                                    \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
             rval = PCLASS::CBNAME(a);                                           \
-        wxPySaveThread(doSave);                                                 \
         return rval;                                                            \
     }                                                                           \
     wxDataFormat  CLASS::base_##CBNAME(size_t a) {                              \
@@ -1117,18 +1270,21 @@ public:
     void base_##CBNAME(const Type& a);
 
 
-#define IMP_PYCALLBACK__constany(CLASS, PCLASS, CBNAME, Type)   \
-    void CLASS::CBNAME(const Type& a) {                         \
-        bool doSave = wxPyRestoreThread();                      \
-        if (m_myInst.findCallback(#CBNAME))                     \
-            m_myInst.callCallback(Py_BuildValue("(O)",          \
-                     wxPyConstructObject((void*)&a, #Type)));   \
-        else                                                    \
-            PCLASS::CBNAME(a);                                  \
-        wxPySaveThread(doSave);                                 \
-    }                                                           \
-    void CLASS::base_##CBNAME(const Type& a) {                  \
-        PCLASS::CBNAME(a);                                      \
+#define IMP_PYCALLBACK__constany(CLASS, PCLASS, CBNAME, Type)                   \
+    void CLASS::CBNAME(const Type& a) {                                         \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* obj = wxPyConstructObject((void*)&a, #Type, 0);           \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", obj));          \
+            Py_DECREF(obj);                                                     \
+        }                                                                       \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
+            PCLASS::CBNAME(a);                                                  \
+    }                                                                           \
+    void CLASS::base_##CBNAME(const Type& a) {                                  \
+        PCLASS::CBNAME(a);                                                      \
     }
 
 
@@ -1139,18 +1295,21 @@ public:
     void base_##CBNAME(Type& a);
 
 
-#define IMP_PYCALLBACK__any(CLASS, PCLASS, CBNAME, Type)        \
-    void CLASS::CBNAME(Type& a) {                               \
-        bool doSave = wxPyRestoreThread();                      \
-        if (m_myInst.findCallback(#CBNAME))                     \
-            m_myInst.callCallback(Py_BuildValue("(O)",          \
-                            wxPyConstructObject(&a, #Type)));   \
-        else                                                    \
-            PCLASS::CBNAME(a);                                  \
-        wxPySaveThread(doSave);                                 \
-    }                                                           \
-    void CLASS::base_##CBNAME(Type& a) {                        \
-        PCLASS::CBNAME(a);                                      \
+#define IMP_PYCALLBACK__any(CLASS, PCLASS, CBNAME, Type)                        \
+    void CLASS::CBNAME(Type& a) {                                               \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* obj = wxPyConstructObject((void*)&a, #Type, 0);           \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", obj));          \
+            Py_DECREF(obj);                                                     \
+        }                                                                       \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
+            PCLASS::CBNAME(a);                                                  \
+    }                                                                           \
+    void CLASS::base_##CBNAME(Type& a) {                                        \
+        PCLASS::CBNAME(a);                                                      \
     }
 
 //---------------------------------------------------------------------------
@@ -1160,26 +1319,116 @@ public:
     bool base_##CBNAME(Type& a);
 
 
-#define IMP_PYCALLBACK_bool_any(CLASS, PCLASS, CBNAME, Type)    \
-    bool CLASS::CBNAME(Type& a) {                               \
-        bool rv;                                                \
-        bool doSave = wxPyRestoreThread();                      \
-        if (m_myInst.findCallback(#CBNAME))                     \
-            rv = m_myInst.callCallback(Py_BuildValue("(O)",     \
-                            wxPyConstructObject(&a, #Type)));   \
-        else                                                    \
-            rv = PCLASS::CBNAME(a);                             \
-        wxPySaveThread(doSave);                                 \
-        return rv;                                              \
-    }                                                           \
-    bool CLASS::base_##CBNAME(Type& a) {                        \
-        return PCLASS::CBNAME(a);                               \
+#define IMP_PYCALLBACK_bool_any(CLASS, PCLASS, CBNAME, Type)                    \
+    bool CLASS::CBNAME(Type& a) {                                               \
+        bool rv;                                                                \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* obj = wxPyConstructObject((void*)&a, #Type, 0);           \
+            rv = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", obj));     \
+            Py_DECREF(obj);                                                     \
+        }                                                                       \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
+            rv = PCLASS::CBNAME(a);                                             \
+        return rv;                                                              \
+    }                                                                           \
+    bool CLASS::base_##CBNAME(Type& a) {                                        \
+        return PCLASS::CBNAME(a);                                               \
     }
 
 //---------------------------------------------------------------------------
 
-#endif
+#define DEC_PYCALLBACK_STRING_LONGLONG(CBNAME)                                  \
+    wxString CBNAME(long a, long b) const;                                      \
+    wxString base_##CBNAME(long a, long b)const ;
 
 
+#define IMP_PYCALLBACK_STRING_LONGLONG(CLASS, PCLASS, CBNAME)                   \
+    wxString CLASS::CBNAME(long a, long b) const {                              \
+        wxString rval;                                                          \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* ro;                                                       \
+            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("(ll)",a,b));  \
+            if (ro) {                                                           \
+                PyObject* str = PyObject_Str(ro);                               \
+                rval = PyString_AsString(str);                                  \
+                Py_DECREF(ro);   Py_DECREF(str);                                \
+            }                                                                   \
+        }                                                                       \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
+            rval = PCLASS::CBNAME(a,b);                                         \
+        return rval;                                                            \
+    }                                                                           \
+    wxString CLASS::base_##CBNAME(long a, long b) const {                       \
+        return PCLASS::CBNAME(a,b);                                             \
+    }
+
+//---------------------------------------------------------------------------
+
+#define DEC_PYCALLBACK_INT_LONG(CBNAME)                                         \
+    int CBNAME(long a) const;                                                   \
+    int base_##CBNAME(long a)const ;
 
 
+#define IMP_PYCALLBACK_INT_LONG(CLASS, PCLASS, CBNAME)                          \
+    int CLASS::CBNAME(long a) const {                                           \
+        int rval=-1;                                                            \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* ro;                                                       \
+            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("(l)",a));     \
+            if (ro) {                                                           \
+                rval = PyInt_AsLong(ro);                                        \
+                Py_DECREF(ro);                                                  \
+            }                                                                   \
+        }                                                                       \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
+            rval = PCLASS::CBNAME(a);                                           \
+        return rval;                                                            \
+    }                                                                           \
+    int CLASS::base_##CBNAME(long a) const {                                    \
+        return PCLASS::CBNAME(a);                                               \
+    }
+
+
+//---------------------------------------------------------------------------
+
+#define DEC_PYCALLBACK_LISTATTR_LONG(CBNAME)                                    \
+    wxListItemAttr*  CBNAME(long a) const;                                      \
+    wxListItemAttr*  base_##CBNAME(long a);
+
+
+#define IMP_PYCALLBACK_LISTATTR_LONG(CLASS, PCLASS, CBNAME)                     \
+    wxListItemAttr *CLASS::CBNAME(long a) const {                               \
+        wxListItemAttr *rval = NULL;                                            \
+        bool found;                                                             \
+        wxPyTState* state = wxPyBeginBlockThreads();                            \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* ro;                                                       \
+            wxListItemAttr* ptr;                                                \
+            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("(i)", a));    \
+            if (ro) {                                                           \
+                if (! SWIG_GetPtrObj(ro, (void **)&ptr, "_wxListItemAttr_p"))   \
+                    rval = ptr;                                                 \
+                Py_DECREF(ro);                                                  \
+            }                                                                   \
+        }                                                                       \
+        wxPyEndBlockThreads(state);                                             \
+        if (! found)                                                            \
+            rval = PCLASS::CBNAME(a);                                           \
+        return rval;                                                            \
+    }                                                                           \
+    wxListItemAttr *CLASS::base_##CBNAME(long a) {                              \
+        return PCLASS::CBNAME(a);                                               \
+    }
+
+//---------------------------------------------------------------------------
+
+#endif