]> git.saurik.com Git - wxWidgets.git/blobdiff - wxPython/src/helpers.h
compilation error fix (trailing comma in an enum)
[wxWidgets.git] / wxPython / src / helpers.h
index cfe7134df107a38229393a34f7289e627251f404..3ad0d236a71dcddb10412805b7e1be8f0078531c 100644 (file)
@@ -223,14 +223,24 @@ void wxPyOORClientData_dtor(wxPyOORClientData* self);
 
 class wxPyCallbackHelper;
 
+
+// Make SunCC happy and make typedef's for these that are extern "C"
+typedef void        (*p_SWIG_MakePtr_t)(char*, void*, char*);
+typedef char*       (*p_SWIG_GetPtr_t)(char*, void**, char*);
+typedef char*       (*p_SWIG_GetPtrObj_t)(PyObject*, void**, char*);
+typedef void        (*p_SWIG_RegisterMapping_t)(char*, char*, void *(*cast)(void *));
+typedef void        (*p_SWIG_addvarlink_t)(PyObject*, char*, PyObject *(*get_attr)(void), int (*set_attr)(PyObject *p));
+typedef PyObject*   (*p_SWIG_newvarlink_t)(void);
+
+
 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);
+    p_SWIG_MakePtr_t           p_SWIG_MakePtr;
+    p_SWIG_GetPtr_t            p_SWIG_GetPtr;
+    p_SWIG_GetPtrObj_t         p_SWIG_GetPtrObj;
+    p_SWIG_RegisterMapping_t   p_SWIG_RegisterMapping;
+    p_SWIG_addvarlink_t        p_SWIG_addvarlink;
+    p_SWIG_newvarlink_t        p_SWIG_newvarlink;
 
     PyThreadState* (*p_wxPyBeginAllowThreads)();
     void           (*p_wxPyEndAllowThreads)(PyThreadState* state);
@@ -453,10 +463,10 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
 #define IMP_PYCALLBACK_VOID_INTINT(CLASS, PCLASS, CBNAME)               \
     void CLASS::CBNAME(int a, int b) {                                  \
         bool found;                                                     \
-        wxPyBeginBlockThreads();                    \
+        wxPyBeginBlockThreads();                                        \
         if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
             wxPyCBH_callCallback(m_myInst, Py_BuildValue("(ii)",a,b));  \
-        wxPyEndBlockThreads();                                     \
+        wxPyEndBlockThreads();                                          \
         if (! found)                                                    \
             PCLASS::CBNAME(a,b);                                        \
     }                                                                   \
@@ -466,6 +476,133 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
 
 //---------------------------------------------------------------------------
 
+#define DEC_PYCALLBACK_VOID_INT4(CBNAME)                                \
+    void CBNAME(int a, int b, int c, int d);                            \
+    void base_##CBNAME(int a, int b, int c, int d);
+
+
+#define IMP_PYCALLBACK_VOID_INT4(CLASS, PCLASS, CBNAME)                 \
+    void CLASS::CBNAME(int a, int b, int c, int d) {                    \
+        bool found;                                                     \
+        wxPyBeginBlockThreads();                                        \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(iiii)",a,b,c,d));  \
+        wxPyEndBlockThreads();                                          \
+        if (! found)                                                    \
+            PCLASS::CBNAME(a,b,c,d);                                    \
+    }                                                                   \
+    void CLASS::base_##CBNAME(int a, int b, int c, int d) {             \
+        PCLASS::CBNAME(a,b,c,d);                                        \
+    }
+
+//---------------------------------------------------------------------------
+#define DEC_PYCALLBACK_VOID_INT5(CBNAME)                                \
+    void CBNAME(int a, int b, int c, int d, int e);                     \
+    void base_##CBNAME(int a, int b, int c, int d, int e);
+
+
+#define IMP_PYCALLBACK_VOID_INT5(CLASS, PCLASS, CBNAME)                 \
+    void CLASS::CBNAME(int a, int b, int c, int d, int e) {             \
+        bool found;                                                     \
+        wxPyBeginBlockThreads();                                        \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(iiiii)",a,b,c,d,e));  \
+        wxPyEndBlockThreads();                                          \
+        if (! found)                                                    \
+            PCLASS::CBNAME(a,b,c,d,e);                                  \
+    }                                                                   \
+    void CLASS::base_##CBNAME(int a, int b, int c, int d, int e) {      \
+        PCLASS::CBNAME(a,b,c,d,e);                                      \
+    }
+
+//---------------------------------------------------------------------------
+
+#define DEC_PYCALLBACK_VOID_INTPINTP_const(CBNAME)                              \
+    void CBNAME(int* a, int* b) const;                                          \
+    void base_##CBNAME(int* a, int* b) const;
+
+
+#define IMP_PYCALLBACK_VOID_INTPINTP_const(CLASS, PCLASS, CBNAME)               \
+    void CLASS::CBNAME(int* a, int* b) const {                                  \
+        const char* errmsg = #CBNAME " should return a 2-tuple of integers.";   \
+        bool found;                                                             \
+        wxPyBeginBlockThreads();                                                \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* ro;                                                       \
+            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("()"));        \
+            if (ro) {                                                           \
+                if (PySequence_Check(ro) && PyObject_Length(ro) == 2) {         \
+                    PyObject* o1 = PySequence_GetItem(ro, 0);                   \
+                    PyObject* o2 = PySequence_GetItem(ro, 1);                   \
+                    if (PyNumber_Check(o1) && PyNumber_Check(o2)) {             \
+                        *a = PyInt_AsLong(o1); *b = PyInt_AsLong(o2);           \
+                    }                                                           \
+                    else                                                        \
+                        PyErr_SetString(PyExc_TypeError, errmsg);               \
+                    Py_DECREF(o1);                                              \
+                    Py_DECREF(o2);                                              \
+                }                                                               \
+                else {                                                          \
+                    PyErr_SetString(PyExc_TypeError, errmsg);                   \
+                }                                                               \
+                Py_DECREF(ro);                                                  \
+            }                                                                   \
+        }                                                                       \
+        wxPyEndBlockThreads();                                                  \
+        if (! found)                                                            \
+            PCLASS::CBNAME(a,b);                                                \
+    }                                                                           \
+    void CLASS::base_##CBNAME(int* a, int* b) const {                           \
+        PCLASS::CBNAME(a,b);                                                    \
+    }
+
+
+//---------------------------------------------------------------------------
+
+#define DEC_PYCALLBACK_SIZE_const(CBNAME)                                       \
+    wxSize CBNAME() const;                                                      \
+    wxSize base_##CBNAME() const;
+
+
+#define IMP_PYCALLBACK_SIZE_const(CLASS, PCLASS, CBNAME)                        \
+    wxSize CLASS::CBNAME() const {                                              \
+        const char* errmsg = #CBNAME " should return a 2-tuple of integers.";   \
+        bool found; wxSize rval(0,0);                                           \
+        wxPyBeginBlockThreads();                                                \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* ro;                                                       \
+            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("()"));        \
+            if (ro) {                                                           \
+                if (PySequence_Check(ro) && PyObject_Length(ro) == 2) {         \
+                    PyObject* o1 = PySequence_GetItem(ro, 0);                   \
+                    PyObject* o2 = PySequence_GetItem(ro, 1);                   \
+                    if (PyNumber_Check(o1) && PyNumber_Check(o2)) {             \
+                        rval = wxSize(PyInt_AsLong(o1), PyInt_AsLong(o2));      \
+                    }                                                           \
+                    else                                                        \
+                        PyErr_SetString(PyExc_TypeError, errmsg);               \
+                    Py_DECREF(o1);                                              \
+                    Py_DECREF(o2);                                              \
+                }                                                               \
+                else {                                                          \
+                    PyErr_SetString(PyExc_TypeError, errmsg);                   \
+                }                                                               \
+                Py_DECREF(ro);                                                  \
+            }                                                                   \
+        }                                                                       \
+        wxPyEndBlockThreads();                                                  \
+        if (! found)                                                            \
+            return PCLASS::CBNAME();                                            \
+        else                                                                    \
+            return rval;                                                        \
+    }                                                                           \
+    wxSize CLASS::base_##CBNAME() const {                                       \
+        return PCLASS::CBNAME();                                                \
+    }
+
+
+//---------------------------------------------------------------------------
+
 #define DEC_PYCALLBACK_BOOL_INT(CBNAME)                         \
     bool CBNAME(int a);                                         \
     bool base_##CBNAME(int a);
@@ -474,10 +611,10 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
 #define IMP_PYCALLBACK_BOOL_INT(CLASS, PCLASS, CBNAME)                  \
     bool CLASS::CBNAME(int a) {                                         \
         bool rval=FALSE, found;                                         \
-        wxPyBeginBlockThreads();                    \
+        wxPyBeginBlockThreads();                                        \
         if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
             rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(i)",a));\
-        wxPyEndBlockThreads();                                     \
+        wxPyEndBlockThreads();                                          \
         if (! found)                                                    \
             rval = PCLASS::CBNAME(a);                                   \
         return rval;                                                    \
@@ -823,10 +960,10 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
 #define IMP_PYCALLBACK__BOOL2DBLINT(CLASS, PCLASS, CBNAME)                      \
     void CLASS::CBNAME(bool a, double b, double c, int d) {                     \
         bool found;                                                             \
-        wxPyBeginBlockThreads();                            \
+        wxPyBeginBlockThreads();                                                \
         if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
             wxPyCBH_callCallback(m_myInst, Py_BuildValue("(iddi)", (int)a,b,c,d));\
-        wxPyEndBlockThreads();                                             \
+        wxPyEndBlockThreads();                                                  \
         if (! found)                                                            \
             PCLASS::CBNAME(a, b, c, d);                                         \
     }                                                                           \
@@ -844,10 +981,13 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
 #define IMP_PYCALLBACK__STRING(CLASS, PCLASS, CBNAME)                           \
     void CLASS::CBNAME(const wxString& a)  {                                    \
         bool found;                                                             \
-        wxPyBeginBlockThreads();                            \
-        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
-            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", wx2PyString(a)));    \
-        wxPyEndBlockThreads();                                             \
+        wxPyBeginBlockThreads();                                                \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* s = wx2PyString(a);                                       \
+            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));            \
+            Py_DECREF(s);                                                       \
+        }                                                                       \
+        wxPyEndBlockThreads();                                                  \
         if (! found)                                                            \
             PCLASS::CBNAME(a);                                                  \
     }                                                                           \
@@ -865,10 +1005,13 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
     bool CLASS::CBNAME(const wxString& a)  {                                    \
         bool rval=FALSE;                                                        \
         bool found;                                                             \
-        wxPyBeginBlockThreads();                            \
-        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
-            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", wx2PyString(a)));\
-        wxPyEndBlockThreads();                                             \
+        wxPyBeginBlockThreads();                                                \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* s = wx2PyString(a);                                       \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));     \
+            Py_DECREF(s);                                                       \
+        }                                                                       \
+        wxPyEndBlockThreads();                                                  \
         if (! found)                                                            \
             rval = PCLASS::CBNAME(a);                                           \
         return rval;                                                            \
@@ -882,15 +1025,18 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
 #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=FALSE;                                                                \
-        wxPyBeginBlockThreads();                                    \
-        if (wxPyCBH_findCallback(m_myInst, #CBNAME))                                    \
-            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", wx2PyString(a)));     \
-        wxPyEndBlockThreads();                                                     \
-        return rval;                                                                    \
-    }                                                                                   \
+#define IMP_PYCALLBACK_BOOL_STRING_pure(CLASS, PCLASS, CBNAME)                  \
+    bool CLASS::CBNAME(const wxString& a)  {                                    \
+        bool rval=FALSE;                                                        \
+        wxPyBeginBlockThreads();                                                \
+        if (wxPyCBH_findCallback(m_myInst, #CBNAME)) {                          \
+            PyObject* s = wx2PyString(a);                                       \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));     \
+            Py_DECREF(s);                                                       \
+        }                                                                       \
+        wxPyEndBlockThreads();                                                  \
+        return rval;                                                            \
+    }                                                                           \
 
 //---------------------------------------------------------------------------
 
@@ -903,7 +1049,9 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
         wxPyBeginBlockThreads();                                                \
         if (wxPyCBH_findCallback(m_myInst, #CBNAME)) {                          \
             PyObject* ro;                                                       \
-            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("(O)", wx2PyString(a)));\
+            PyObject* s = wx2PyString(a);                                       \
+            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("(O)", s));    \
+            Py_DECREF(s);                                                       \
             if (ro) {                                                           \
                 rval = Py2wxString(ro);                                         \
                 Py_DECREF(ro);                                                  \
@@ -921,10 +1069,12 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
 #define IMP_PYCALLBACK_STRING_STRINGINT_pure(CLASS, PCLASS, CBNAME)             \
     wxString CLASS::CBNAME(const wxString& a,int b)  {                          \
         wxString rval;                                                          \
-        wxPyBeginBlockThreads();                            \
+        wxPyBeginBlockThreads();                                                \
         if (wxPyCBH_findCallback(m_myInst, #CBNAME)) {                          \
             PyObject* ro;                                                       \
-            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("(Oi)", wx2PyString(a),b));  \
+            PyObject* s = wx2PyString(a);                                       \
+            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("(Oi)",s,b));  \
+            Py_DECREF(s);                                                       \
             if (ro) {                                                           \
                 rval = Py2wxString(ro);                                         \
                 Py_DECREF(ro);                                                  \
@@ -944,10 +1094,14 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
     bool CLASS::CBNAME(const wxString& a, const wxString& b) {                  \
         bool rval=FALSE;                                                        \
         bool found;                                                             \
-        wxPyBeginBlockThreads();                            \
-        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
-            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(OO)",         \
-                                                       wx2PyString(a), wx2PyString(b)));  \
+        wxPyBeginBlockThreads();                                                \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
+            PyObject* s1 = wx2PyString(a);                                      \
+            PyObject* s2 = wx2PyString(b);                                      \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(OO)",s1,s2)); \
+            Py_DECREF(s1);                                                      \
+            Py_DECREF(s2);                                                      \
+        }                                                                       \
         wxPyEndBlockThreads();                                                  \
         if (! found)                                                            \
             rval = PCLASS::CBNAME(a, b);                                        \
@@ -1015,13 +1169,13 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
 #define IMP_PYCALLBACK_BOOL_TAG_pure(CLASS, PCLASS, CBNAME)                     \
     bool CLASS::CBNAME(const wxHtmlTag& a)  {                                   \
         bool rval=FALSE;                                                        \
-        wxPyBeginBlockThreads();                            \
+        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();                                             \
+        wxPyEndBlockThreads();                                                  \
         return rval;                                                            \
     }
 
@@ -1034,13 +1188,13 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
 #define IMP_PYCALLBACK__CELLINTINT(CLASS, PCLASS, CBNAME)                       \
     void CLASS::CBNAME(wxHtmlCell *cell, wxCoord x, wxCoord y) {                \
         bool found;                                                             \
-        wxPyBeginBlockThreads();                            \
+        wxPyBeginBlockThreads();                                                \
         if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
             PyObject* obj = wxPyConstructObject((void*)cell, "wxHtmlCell", 0);  \
             wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("(Oii)",obj,x,y));  \
             Py_DECREF(obj);                                                     \
         }                                                                       \
-        wxPyEndBlockThreads();                                             \
+        wxPyEndBlockThreads();                                                  \
         if (! found)                                                            \
             PCLASS::CBNAME(cell, x, y);                                         \
     }                                                                           \
@@ -1058,7 +1212,7 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
 #define IMP_PYCALLBACK__CELLINTINTME(CLASS, PCLASS, CBNAME)                       \
     void CLASS::CBNAME(wxHtmlCell *cell, wxCoord x, wxCoord y, const wxMouseEvent& e) {                \
         bool found;                                                             \
-        wxPyBeginBlockThreads();                            \
+        wxPyBeginBlockThreads();                                                \
         if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
             PyObject* obj = wxPyConstructObject((void*)cell, "wxHtmlCell", 0);  \
             PyObject* o2  = wxPyConstructObject((void*)&e, "wxMouseEvent", 0);  \
@@ -1066,12 +1220,12 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
             Py_DECREF(obj);                                                     \
             Py_DECREF(o2);                                                      \
         }                                                                       \
-        wxPyEndBlockThreads();                                             \
+        wxPyEndBlockThreads();                                                  \
         if (! found)                                                            \
-            PCLASS::CBNAME(cell, x, y, e);                                         \
+            PCLASS::CBNAME(cell, x, y, e);                                      \
     }                                                                           \
     void CLASS::base_##CBNAME(wxHtmlCell *cell, wxCoord x, wxCoord y, const wxMouseEvent& e) {         \
-        PCLASS::CBNAME(cell, x, y, e);                                             \
+        PCLASS::CBNAME(cell, x, y, e);                                          \
     }
 
 
@@ -1084,10 +1238,10 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
 
 #define IMP_PYCALLBACK___pure(CLASS, PCLASS, CBNAME)                            \
     void CLASS::CBNAME() {                                                      \
-        wxPyBeginBlockThreads();                            \
+        wxPyBeginBlockThreads();                                                \
         if (wxPyCBH_findCallback(m_myInst, #CBNAME))                            \
             wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));                \
-        wxPyEndBlockThreads();                                             \
+        wxPyEndBlockThreads();                                                  \
     }
 
 //---------------------------------------------------------------------------
@@ -1139,13 +1293,13 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
     bool CLASS::CBNAME(wxWindow* a) {                                           \
         bool rval=FALSE;                                                        \
         bool found;                                                             \
-        wxPyBeginBlockThreads();                            \
+        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();                                             \
+        wxPyEndBlockThreads();                                                  \
         if (! found)                                                            \
             rval = PCLASS::CBNAME(a);                                           \
         return rval;                                                            \
@@ -1165,10 +1319,10 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
     bool CLASS::CBNAME() {                                                      \
         bool rval=FALSE;                                                        \
         bool found;                                                             \
-        wxPyBeginBlockThreads();                            \
+        wxPyBeginBlockThreads();                                                \
         if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
             rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));         \
-        wxPyEndBlockThreads();                                             \
+        wxPyEndBlockThreads();                                                  \
         if (! found)                                                            \
             rval = PCLASS::CBNAME();                                            \
         return rval;                                                            \
@@ -1179,6 +1333,29 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
 
 //---------------------------------------------------------------------------
 
+#define DEC_PYCALLBACK_BOOL_const(CBNAME)                       \
+    bool CBNAME() const;                                        \
+    bool base_##CBNAME() const;
+
+
+#define IMP_PYCALLBACK_BOOL_const(CLASS, PCLASS, CBNAME)                        \
+    bool CLASS::CBNAME() const {                                                \
+        bool rval=FALSE;                                                        \
+        bool found;                                                             \
+        wxPyBeginBlockThreads();                                                \
+        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))                  \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));         \
+        wxPyEndBlockThreads();                                                  \
+        if (! found)                                                            \
+            rval = PCLASS::CBNAME();                                            \
+        return rval;                                                            \
+    }                                                                           \
+    bool CLASS::base_##CBNAME() const {                                         \
+        return PCLASS::CBNAME();                                                \
+    }
+
+//---------------------------------------------------------------------------
+
 #define DEC_PYCALLBACK_DR_2WXCDR(CBNAME)                                \
     wxDragResult CBNAME(wxCoord x, wxCoord y, wxDragResult def);        \
     wxDragResult base_##CBNAME(wxCoord x, wxCoord y, wxDragResult def);
@@ -1212,13 +1389,15 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
         if (wxPyCBH_findCallback(m_myInst, #CBNAME)) {                  \
             PyObject* ro;                                               \
             PyObject* obj = wxPyMake_wxObject(&a);                      \
+            PyObject* s = wx2PyString(b);                               \
             ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("(OO)",\
-                                          obj, wx2PyString(b)));        \
+                                         obj, s));                      \
             if (ro) {                                                   \
                 SWIG_GetPtrObj(ro, (void **)&rval, "_wxFSFILE_p");      \
                 Py_DECREF(ro);                                          \
             }                                                           \
             Py_DECREF(obj);                                             \
+            Py_DECREF(s);                                               \
         }                                                               \
         wxPyEndBlockThreads();                                          \
         return rval;                                                    \
@@ -1272,8 +1451,11 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh);
     bool CLASS::CBNAME(int a, int b, const wxString& c) {               \
         bool rval=FALSE;                                                \
         wxPyBeginBlockThreads();                                        \
-        if (wxPyCBH_findCallback(m_myInst, #CBNAME))                    \
-            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(iiO)",a,b, wx2PyString(c)));\
+        if (wxPyCBH_findCallback(m_myInst, #CBNAME)) {                  \
+            PyObject* s = wx2PyString(c);                               \
+            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(iiO)",a,b,s));\
+            Py_DECREF(s);                                               \
+        }                                                               \
         wxPyEndBlockThreads();                                          \
         return rval;                                                    \
     }                                                                   \