Added event class constructors

[wxWidgets.git] / utils / wxPython / src / helpers.cpp

diff --git a/utils/wxPython/src/helpers.cpp b/utils/wxPython/src/helpers.cpp
index 38aaa25ec0fffd07a10a77b8ad535d8322afc99a..df05338a93d8821d5561e627ede54a3c8d385b59 100644 (file)
--- a/utils/wxPython/src/helpers.cpp
+++ b/utils/wxPython/src/helpers.cpp
@@ -12,7 +12,7 @@
 
 
 #ifdef __WXGTK__
 
 
 #ifdef __WXGTK__

-#include "gtk/gtk.h"
+#include <gtk/gtk.h>

 #endif
 
 #undef DEBUG
 #endif
 
 #undef DEBUG


@@ -79,35 +79,36 @@ bool wxPyApp::OnInit(void) {
 
 int  wxPyApp::MainLoop(void) {
     int retval = wxApp::MainLoop();
 
 int  wxPyApp::MainLoop(void) {
     int retval = wxApp::MainLoop();

-    AfterMainLoop();
+//#    AfterMainLoop();
+    wxPythonApp->OnExit();  //#

     return retval;
 }
 
 
     return retval;
 }
 
 

-void wxPyApp::AfterMainLoop(void) {
-    // more stuff from wxEntry...
+//#  void wxPyApp::AfterMainLoop(void) {
+//      // more stuff from wxEntry...

 
 

-    if (wxPythonApp->GetTopWindow()) {
-        // Forcibly delete the window.
-        if (wxPythonApp->GetTopWindow()->IsKindOf(CLASSINFO(wxFrame)) ||
-            wxPythonApp->GetTopWindow()->IsKindOf(CLASSINFO(wxDialog))) {
+//      if (wxPythonApp->GetTopWindow()) {
+//          // Forcibly delete the window.
+//          if (wxPythonApp->GetTopWindow()->IsKindOf(CLASSINFO(wxFrame)) ||
+//              wxPythonApp->GetTopWindow()->IsKindOf(CLASSINFO(wxDialog))) {

 
 

-            wxPythonApp->GetTopWindow()->Close(TRUE);
-            wxPythonApp->DeletePendingObjects();
-        }
-        else {
-            delete wxPythonApp->GetTopWindow();
-            wxPythonApp->SetTopWindow(NULL);
-        }
-    }
-#ifdef __WXGTK__
-      wxPythonApp->DeletePendingObjects();
-#endif
+//              wxPythonApp->GetTopWindow()->Close(TRUE);
+//              wxPythonApp->DeletePendingObjects();
+//          }
+//          else {
+//              delete wxPythonApp->GetTopWindow();
+//              wxPythonApp->SetTopWindow(NULL);
+//          }
+//      }
+//  #ifdef __WXGTK__
+//        wxPythonApp->DeletePendingObjects();
+//  #endif

 
 

-    wxPythonApp->OnExit();
-    wxApp::CleanUp();
-//    delete wxPythonApp;
-}
+//      wxPythonApp->OnExit();
+//      wxApp::CleanUp();
+//  //    delete wxPythonApp;
+//  }

 
 
 //---------------------------------------------------------------------
 
 
 //---------------------------------------------------------------------


@@ -117,7 +118,7 @@ void wxPyApp::AfterMainLoop(void) {
 
 // This is where we pick up the first part of the wxEntry functionality...
 // The rest is in __wxStart and  AfterMainLoop.  This function is called when
 
 // This is where we pick up the first part of the wxEntry functionality...
 // The rest is in __wxStart and  AfterMainLoop.  This function is called when

-// wxpc is imported.  (Before there is a wxApp object.)
+// wxcmodule is imported.  (Before there is a wxApp object.)

 void __wxPreStart()
 {
     // Bail out if there is already windows created.  This means that the
 void __wxPreStart()
 {
     // Bail out if there is already windows created.  This means that the


@@ -140,7 +141,13 @@ void __wxPreStart()
     argv[argc] = NULL;
 
     gtk_set_locale();
     argv[argc] = NULL;
 
     gtk_set_locale();

+#if wxUSE_WCHAR_T
+    if (!wxOKlibc()) wxConvCurrent = &wxConvLocal;
+#else
+    if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL;
+#endif

     gtk_init( &argc, &argv );
     gtk_init( &argc, &argv );

+    wxSetDetectableAutoRepeat( TRUE );

     delete [] argv;
 
     wxApp::Initialize();     // may return FALSE. Should we check?
     delete [] argv;
 
     wxApp::Initialize();     // may return FALSE. Should we check?


@@ -151,10 +158,11 @@ void __wxPreStart()
 
 #ifdef WXP_WITH_THREAD
 PyThreadState*  wxPyEventThreadState = NULL;
 
 #ifdef WXP_WITH_THREAD
 PyThreadState*  wxPyEventThreadState = NULL;

-bool            wxPyInEvent = false;

 #endif
 static char* __nullArgv[1] = { 0 };
 
 #endif
 static char* __nullArgv[1] = { 0 };
 

+
+

 // Start the user application, user App's OnInit method is a parameter here
 PyObject* __wxStart(PyObject* /* self */, PyObject* args)
 {
 // Start the user application, user App's OnInit method is a parameter here
 PyObject* __wxStart(PyObject* /* self */, PyObject* args)
 {


@@ -184,15 +192,9 @@ PyObject* __wxStart(PyObject* /* self */, PyObject* args)
 
     // Call the Python App's OnInit function
     arglist = PyTuple_New(0);
 
     // Call the Python App's OnInit function
     arglist = PyTuple_New(0);

-
-    // Py_END_ALLOW_THREADS;  ****  __wxStart was called from Python,
-    //                              should already have the lock

     result = PyEval_CallObject(onInitFunc, arglist);
     result = PyEval_CallObject(onInitFunc, arglist);

-    // Py_BEGIN_ALLOW_THREADS;
-
-    if (!result) {
-        PyErr_Print();
-        exit(1);
+    if (!result) {      // an exception was raised.
+        return NULL;

     }
 
     if (! PyInt_Check(result)) {
     }
 
     if (! PyInt_Check(result)) {


@@ -201,9 +203,6 @@ PyObject* __wxStart(PyObject* /* self */, PyObject* args)
     }
     bResult = PyInt_AS_LONG(result);
     if (! bResult) {
     }
     bResult = PyInt_AS_LONG(result);
     if (! bResult) {

-        wxPythonApp->DeletePendingObjects();
-        wxPythonApp->OnExit();
-        wxApp::CleanUp();

         PyErr_SetString(PyExc_SystemExit, "OnInit returned false, exiting...");
         return NULL;
     }
         PyErr_SetString(PyExc_SystemExit, "OnInit returned false, exiting...");
         return NULL;
     }


@@ -256,10 +255,7 @@ PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
 
 //---------------------------------------------------------------------------
 
 
 //---------------------------------------------------------------------------
 

-
-static
-PyObject* wxPyConstructObject(void* ptr, char* className)
-{
+PyObject* wxPyConstructObject(void* ptr, char* className) {

     char    buff[64];               // should always be big enough...
     char    swigptr[64];
 
     char    buff[64];               // should always be big enough...
     char    swigptr[64];
 


@@ -280,25 +276,73 @@ PyObject* wxPyConstructObject(void* ptr, char* className)
     return obj;
 }
 
     return obj;
 }
 

+//---------------------------------------------------------------------------
+
+//static bool _wxPyInEvent = false;
+static unsigned int _wxPyNestCount = 0;
+
+HELPEREXPORT bool wxPyRestoreThread() {
+//  #ifdef WXP_WITH_THREAD
+//      //if (wxPyEventThreadState != PyThreadState_Get()) {
+//      if (! _wxPyInEvent) {
+//          PyEval_RestoreThread(wxPyEventThreadState);
+//          _wxPyInEvent = true;
+//          return TRUE;
+//      } else
+//  #endif
+//          return FALSE;
+
+    // NOTE: The Python API docs state that if a thread already has the
+    // interpreter lock and calls PyEval_RestoreThread again a deadlock
+    // occurs, so I put in the above code as a guard condition since there are
+    // many possibilites for nested events and callbacks in wxPython.
+    //
+    // Unfortunately, it seems like somebody was lying (or I'm not
+    // understanding...) because each of the nested calls to this function
+    // MUST call PyEval_RestoreThread or Python pukes with a thread error (at
+    // least on Win32.)
+    //
+    // until I know better, this is how I am doing it instead:
+#ifdef WXP_WITH_THREAD
+    PyEval_RestoreThread(wxPyEventThreadState);
+    _wxPyNestCount += 1;
+    if (_wxPyNestCount == 1)
+        return TRUE;
+    else
+#endif
+        return FALSE;
+}
+
+
+HELPEREXPORT void wxPySaveThread(bool doSave) {
+#ifdef WXP_WITH_THREAD
+    if (doSave) {
+        PyEval_SaveThread();
+        //_wxPyInEvent = false;
+    }
+    _wxPyNestCount -= 1;
+#endif
+}
+
+//---------------------------------------------------------------------------
+

 
 

+IMPLEMENT_ABSTRACT_CLASS(wxPyCallback, wxObject);

 
 wxPyCallback::wxPyCallback(PyObject* func) {
     m_func = func;
     Py_INCREF(m_func);
 }
 
 
 wxPyCallback::wxPyCallback(PyObject* func) {
     m_func = func;
     Py_INCREF(m_func);
 }
 

-wxPyCallback::~wxPyCallback() {
-#ifdef WXP_WITH_THREAD
-    //if (! wxPyInEvent)
-        PyEval_RestoreThread(wxPyEventThreadState);
-#endif
+wxPyCallback::wxPyCallback(const wxPyCallback& other) {
+    m_func = other.m_func;
+    Py_INCREF(m_func);
+}

 
 

+wxPyCallback::~wxPyCallback() {
+    bool doSave = wxPyRestoreThread();

     Py_DECREF(m_func);
     Py_DECREF(m_func);

-
-#ifdef WXP_WITH_THREAD
-    //if (! wxPyInEvent)
-        PyEval_SaveThread();
-#endif
+    wxPySaveThread(doSave);

 }
 
 
 }
 
 


@@ -313,10 +357,7 @@ void wxPyCallback::EventThunker(wxEvent& event) {
     PyObject*       tuple;
 
 
     PyObject*       tuple;
 
 

-#ifdef WXP_WITH_THREAD
-    PyEval_RestoreThread(wxPyEventThreadState);
-    wxPyInEvent = true;
-#endif
+    bool doSave = wxPyRestoreThread();

     arg = wxPyConstructObject((void*)&event, event.GetClassInfo()->GetClassName());
 
     tuple = PyTuple_New(1);
     arg = wxPyConstructObject((void*)&event, event.GetClassInfo()->GetClassName());
 
     tuple = PyTuple_New(1);


@@ -329,76 +370,79 @@ void wxPyCallback::EventThunker(wxEvent& event) {
     } else {
         PyErr_Print();
     }
     } else {
         PyErr_Print();
     }

-#ifdef WXP_WITH_THREAD
-    PyEval_SaveThread();
-    wxPyInEvent = false;
-#endif
+    wxPySaveThread(doSave);

 }
 
 
 }
 
 

-//---------------------------------------------------------------------------
+//----------------------------------------------------------------------

 
 

-wxPyMenu::wxPyMenu(const wxString& title, PyObject* _func)
-    : wxMenu(title, (wxFunction)(func ? MenuCallback : NULL)), func(0) {
+wxPyCallbackHelper::wxPyCallbackHelper() {
+    m_self = NULL;
+    m_lastFound = NULL;
+}

 
 

-    if (_func) {
-        func = _func;
-        Py_INCREF(func);
-    }
+
+wxPyCallbackHelper::~wxPyCallbackHelper() {
+    bool doSave = wxPyRestoreThread();
+    Py_XDECREF(m_self);
+    wxPySaveThread(doSave);

 }
 
 }
 

-wxPyMenu::~wxPyMenu() {
-#ifdef WXP_WITH_THREAD
-    //if (! wxPyInEvent)
-        PyEval_RestoreThread(wxPyEventThreadState);
-#endif
+wxPyCallbackHelper::wxPyCallbackHelper(const wxPyCallbackHelper& other) {
+      m_lastFound = NULL;
+      m_self = other.m_self;
+      if (m_self)
+          Py_INCREF(m_self);
+}

 
 

-    if (func)
-        Py_DECREF(func);

 
 

-#ifdef WXP_WITH_THREAD
-    //if (! wxPyInEvent)
-        PyEval_SaveThread();
-#endif
+void wxPyCallbackHelper::setSelf(PyObject* self, int incref) {
+    m_self = self;
+    if (incref)
+        Py_INCREF(m_self);

 }
 
 
 }
 
 

-void wxPyMenu::MenuCallback(wxMenu& menu, wxCommandEvent& evt) {
-    PyObject* evtobj;
-    PyObject* menuobj;
-    PyObject* func;
-    PyObject* args;
-    PyObject* res;
+bool wxPyCallbackHelper::findCallback(const wxString& name) {
+    m_lastFound = NULL;
+    if (m_self && PyObject_HasAttrString(m_self, (char*)name.c_str()))
+        m_lastFound = PyObject_GetAttrString(m_self, (char*)name.c_str());

 
 

-#ifdef WXP_WITH_THREAD
-    PyEval_RestoreThread(wxPyEventThreadState);
-    wxPyInEvent = true;
-#endif
-    evtobj  = wxPyConstructObject((void*)&evt, "wxCommandEvent");
-    menuobj = wxPyConstructObject((void*)&menu, "wxMenu");
-    if (PyErr_Occurred()) {
-        // bail out if a problem
+    return m_lastFound != NULL;
+}
+
+
+int wxPyCallbackHelper::callCallback(PyObject* argTuple) {
+    PyObject*   result;
+    int         retval = FALSE;
+
+    result = callCallbackObj(argTuple);
+    if (result) {                       // Assumes an integer return type...
+        retval = PyInt_AsLong(result);
+        Py_DECREF(result);
+        PyErr_Clear();                  // forget about it if it's not...
+    }
+    return retval;
+}
+
+// Invoke the Python callable object, returning the raw PyObject return
+// value.  Caller should DECREF the return value and also call PyEval_SaveThread.
+PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) {
+    PyObject*   result;
+
+    result = PyEval_CallObject(m_lastFound, argTuple);
+    Py_DECREF(argTuple);
+    if (!result) {

         PyErr_Print();
         PyErr_Print();

-        goto done;
-    }
-    // Now call the callback...
-    func = ((wxPyMenu*)&menu)->func;
-    args = PyTuple_New(2);
-    PyTuple_SET_ITEM(args, 0, menuobj);
-    PyTuple_SET_ITEM(args, 1, evtobj);
-    res  = PyEval_CallObject(func, args);
-    Py_DECREF(args);
-    Py_XDECREF(res); /* In case res is a NULL pointer */
- done:
-#ifdef WXP_WITH_THREAD
-    PyEval_SaveThread();
-    wxPyInEvent = false;
-#endif
-    return;
+    }
+    return result;

 }
 
 
 }
 
 

+

 //---------------------------------------------------------------------------
 //---------------------------------------------------------------------------

+//---------------------------------------------------------------------------
+

 
 wxPyTimer::wxPyTimer(PyObject* callback) {
     func = callback;
 
 wxPyTimer::wxPyTimer(PyObject* callback) {
     func = callback;


@@ -406,24 +450,14 @@ wxPyTimer::wxPyTimer(PyObject* callback) {
 }
 
 wxPyTimer::~wxPyTimer() {
 }
 
 wxPyTimer::~wxPyTimer() {

-#ifdef WXP_WITH_THREAD
-    //if (! wxPyInEvent)
-        PyEval_RestoreThread(wxPyEventThreadState);
-#endif
-
+    bool doSave = wxPyRestoreThread();

     Py_DECREF(func);
     Py_DECREF(func);

-
-#ifdef WXP_WITH_THREAD
-    //if (! wxPyInEvent)
-        PyEval_SaveThread();
-#endif
+    wxPySaveThread(doSave);

 }
 
 void wxPyTimer::Notify() {
 }
 
 void wxPyTimer::Notify() {

-#ifdef WXP_WITH_THREAD
-    PyEval_RestoreThread(wxPyEventThreadState);
-    wxPyInEvent = true;
-#endif
+    bool doSave = wxPyRestoreThread();
+

     PyObject*   result;
     PyObject*   args = Py_BuildValue("()");
 
     PyObject*   result;
     PyObject*   args = Py_BuildValue("()");
 


@@ -435,63 +469,36 @@ void wxPyTimer::Notify() {
     } else {
         PyErr_Print();
     }
     } else {
         PyErr_Print();
     }

-#ifdef WXP_WITH_THREAD
-    PyEval_SaveThread();
-    wxPyInEvent = false;
-#endif
+    wxPySaveThread(doSave);

 }
 
 
 }
 
 

-//----------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxPyEvent, wxCommandEvent)

 
 

-wxPyEvent::wxPyEvent(wxEventType commandType, PyObject* userData)
-    : wxCommandEvent(commandType), m_userData(Py_None)
-{
-    m_userData = userData;
-    if (m_userData != Py_None) {
-        Py_INCREF(m_userData);
-    }
-}
-
-
-wxPyEvent::~wxPyEvent() {
-#ifdef WXP_WITH_THREAD
-    //if (! wxPyInEvent)
-        PyEval_RestoreThread(wxPyEventThreadState);
-#endif
-    if (m_userData != Py_None) {
-        Py_DECREF(m_userData);
-        m_userData = Py_None;
-    }
-#ifdef WXP_WITH_THREAD
-    //if (! wxPyInEvent)
-        PyEval_SaveThread();
-#endif
-}
+//---------------------------------------------------------------------------
+//---------------------------------------------------------------------------
+// Convert a wxList to a Python List

 
 

+PyObject* wxPy_ConvertList(wxListBase* list, char* className) {
+    PyObject*   pyList;
+    PyObject*   pyObj;
+    wxObject*   wxObj;
+    wxNode*     node = list->First();

 
 

-void wxPyEvent::SetUserData(PyObject* userData) {
-    if (m_userData != Py_None) {
-        Py_DECREF(m_userData);
-        m_userData = Py_None;
-    }
-    m_userData = userData;
-    if (m_userData != Py_None) {
-        Py_INCREF(m_userData);
+    bool doSave = wxPyRestoreThread();
+    pyList = PyList_New(0);
+    while (node) {
+        wxObj = node->Data();
+        pyObj = wxPyConstructObject(wxObj, className);
+        PyList_Append(pyList, pyObj);
+        node = node->Next();

     }
     }

+    wxPySaveThread(doSave);
+    return pyList;

 }
 
 }
 

-
-PyObject* wxPyEvent::GetUserData() {
-    return m_userData;
-}
-
-//----------------------------------------------------------------------

 //----------------------------------------------------------------------
 // Some helper functions for typemaps in my_typemaps.i, so they won't be
 //----------------------------------------------------------------------
 // Some helper functions for typemaps in my_typemaps.i, so they won't be

-// imcluded in every file...
+// included in every file...

 
 
 byte* byte_LIST_helper(PyObject* source) {
 
 
 byte* byte_LIST_helper(PyObject* source) {


@@ -600,22 +607,21 @@ wxPoint* wxPoint_LIST_helper(PyObject* source) {
     }
     for (int x=0; x<count; x++) {
         PyObject* o = PyList_GetItem(source, x);
     }
     for (int x=0; x<count; x++) {
         PyObject* o = PyList_GetItem(source, x);

-        if (PyString_Check(o)) {
-            char*       st = PyString_AsString(o);
-            wxPoint*    pt;
-            if (SWIG_GetPtr(st,(void **) &pt,"_wxPoint_p")) {
-                PyErr_SetString(PyExc_TypeError,"Expected _wxPoint_p.");
-                return NULL;
-            }
-            temp[x] = *pt;
-        }
-        else if (PyTuple_Check(o)) {
+        if (PyTuple_Check(o)) {

             PyObject* o1 = PyTuple_GetItem(o, 0);
             PyObject* o2 = PyTuple_GetItem(o, 1);
 
             temp[x].x = PyInt_AsLong(o1);
             temp[x].y = PyInt_AsLong(o2);
         }
             PyObject* o1 = PyTuple_GetItem(o, 0);
             PyObject* o2 = PyTuple_GetItem(o, 1);
 
             temp[x].x = PyInt_AsLong(o1);
             temp[x].y = PyInt_AsLong(o2);
         }

+        else if (PyInstance_Check(o)) {
+            wxPoint* pt;
+            if (SWIG_GetPtrObj(o,(void **) &pt,"_wxPoint_p")) {
+                PyErr_SetString(PyExc_TypeError,"Expected _wxPoint_p.");
+                return NULL;
+            }
+            temp[x] = *pt;
+        }

         else {
             PyErr_SetString(PyExc_TypeError, "Expected a list of 2-tuples or wxPoints.");
             return NULL;
         else {
             PyErr_SetString(PyExc_TypeError, "Expected a list of 2-tuples or wxPoints.");
             return NULL;


@@ -638,10 +644,9 @@ wxBitmap** wxBitmap_LIST_helper(PyObject* source) {
     }
     for (int x=0; x<count; x++) {
         PyObject* o = PyList_GetItem(source, x);
     }
     for (int x=0; x<count; x++) {
         PyObject* o = PyList_GetItem(source, x);

-        if (PyString_Check(o)) {
-            char*       st = PyString_AsString(o);
+        if (PyInstance_Check(o)) {

             wxBitmap*    pt;
             wxBitmap*    pt;

-            if (SWIG_GetPtr(st,(void **) &pt,"_wxBitmap_p")) {
+            if (SWIG_GetPtrObj(o, (void **) &pt,"_wxBitmap_p")) {

                 PyErr_SetString(PyExc_TypeError,"Expected _wxBitmap_p.");
                 return NULL;
             }
                 PyErr_SetString(PyExc_TypeError,"Expected _wxBitmap_p.");
                 return NULL;
             }


@@ -693,10 +698,9 @@ wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
     }
     for (int x=0; x<count; x++) {
         PyObject* o = PyList_GetItem(source, x);
     }
     for (int x=0; x<count; x++) {
         PyObject* o = PyList_GetItem(source, x);

-        if (PyString_Check(o)) {
-            char*               st = PyString_AsString(o);
+        if (PyInstance_Check(o)) {

             wxAcceleratorEntry* ae;
             wxAcceleratorEntry* ae;

-            if (SWIG_GetPtr(st,(void **) &ae,"_wxAcceleratorEntry_p")) {
+            if (SWIG_GetPtrObj(o, (void **) &ae,"_wxAcceleratorEntry_p")) {

                 PyErr_SetString(PyExc_TypeError,"Expected _wxAcceleratorEntry_p.");
                 return NULL;
             }
                 PyErr_SetString(PyExc_TypeError,"Expected _wxAcceleratorEntry_p.");
                 return NULL;
             }


@@ -721,75 +725,107 @@ wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
 
 
 
 
 
 

-//----------------------------------------------------------------------

 //----------------------------------------------------------------------
 
 //----------------------------------------------------------------------
 

-wxPyCallbackHelper::wxPyCallbackHelper() {
-    m_self = NULL;
-    m_lastFound = NULL;
-}
+bool wxSize_helper(PyObject* source, wxSize** obj) {

 
 

+    // If source is an object instance then it may already be the right type
+    if (PyInstance_Check(source)) {
+        wxSize* ptr;
+        if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxSize_p"))
+            goto error;
+        *obj = ptr;
+        return TRUE;
+    }
+    // otherwise a 2-tuple of integers is expected
+    else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
+        PyObject* o1 = PySequence_GetItem(source, 0);
+        PyObject* o2 = PySequence_GetItem(source, 1);
+        **obj = wxSize(PyInt_AsLong(o1), PyInt_AsLong(o2));
+        return TRUE;
+    }

 
 

-wxPyCallbackHelper::~wxPyCallbackHelper() {
-#ifdef WXP_WITH_THREAD
-    PyEval_RestoreThread(wxPyEventThreadState);
-#endif
+ error:
+    PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of integers or a wxSize object.");
+    return FALSE;
+}

 
 

-    Py_XDECREF(m_self);
+bool wxPoint_helper(PyObject* source, wxPoint** obj) {

 
 

-#ifdef WXP_WITH_THREAD
-    PyEval_SaveThread();
-#endif
-}
+    // If source is an object instance then it may already be the right type
+    if (PyInstance_Check(source)) {
+        wxPoint* ptr;
+        if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxPoint_p"))
+            goto error;
+        *obj = ptr;
+        return TRUE;
+    }
+    // otherwise a 2-tuple of integers is expected
+    else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
+        PyObject* o1 = PySequence_GetItem(source, 0);
+        PyObject* o2 = PySequence_GetItem(source, 1);
+        **obj = wxPoint(PyInt_AsLong(o1), PyInt_AsLong(o2));
+        return TRUE;
+    }

 
 

-void wxPyCallbackHelper::setSelf(PyObject* self) {
-    m_self = self;
-    Py_INCREF(m_self);
+ error:
+    PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of integers or a wxPoint object.");
+    return FALSE;

 }
 
 
 
 }
 
 
 

-bool wxPyCallbackHelper::findCallback(const wxString& name) {
-    m_lastFound = NULL;
-    if (m_self && PyObject_HasAttrString(m_self, (char*)name.c_str()))
-        m_lastFound = PyObject_GetAttrString(m_self, (char*)name.c_str());
+bool wxRealPoint_helper(PyObject* source, wxRealPoint** obj) {

 
 

-    return m_lastFound != NULL;
+    // If source is an object instance then it may already be the right type
+    if (PyInstance_Check(source)) {
+        wxRealPoint* ptr;
+        if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxRealPoint_p"))
+            goto error;
+        *obj = ptr;
+        return TRUE;
+    }
+    // otherwise a 2-tuple of floats is expected
+    else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
+        PyObject* o1 = PySequence_GetItem(source, 0);
+        PyObject* o2 = PySequence_GetItem(source, 1);
+        **obj = wxRealPoint(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2));
+        return TRUE;
+    }
+
+ error:
+    PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wxRealPoint object.");
+    return FALSE;

 }
 
 
 }
 
 

-int wxPyCallbackHelper::callCallback(PyObject* argTuple) {
-    PyObject*   result;
-    int         retval = FALSE;

 
 

-    result = callCallbackObj(argTuple);
-    if (result) {                       // Assumes an integer return type...
-        retval = PyInt_AsLong(result);
-        Py_DECREF(result);
-        PyErr_Clear();                  // forget about it if it's not...
-    }
-#ifdef WXP_WITH_THREAD
-    PyEval_SaveThread();
-#endif
-    return retval;
-}

 
 

-// Invoke the Python callable object, returning the raw PyObject return
-// value.  Caller should DECREF the return value and also call PyEval_SaveThread.
-PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) {
-#ifdef WXP_WITH_THREAD
-    PyEval_RestoreThread(wxPyEventThreadState);
-#endif
-    PyObject*   result;
+bool wxRect_helper(PyObject* source, wxRect** obj) {

 
 

-    result = PyEval_CallObject(m_lastFound, argTuple);
-    Py_DECREF(argTuple);
-    if (!result) {
-        PyErr_Print();
+    // If source is an object instance then it may already be the right type
+    if (PyInstance_Check(source)) {
+        wxRect* ptr;
+        if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxRect_p"))
+            goto error;
+        *obj = ptr;
+        return TRUE;
+    }
+    // otherwise a 4-tuple of integers is expected
+    else if (PySequence_Check(source) && PyObject_Length(source) == 4) {
+        PyObject* o1 = PySequence_GetItem(source, 0);
+        PyObject* o2 = PySequence_GetItem(source, 1);
+        PyObject* o3 = PySequence_GetItem(source, 2);
+        PyObject* o4 = PySequence_GetItem(source, 3);
+        **obj = wxRect(PyInt_AsLong(o1), PyInt_AsLong(o2),
+                     PyInt_AsLong(o3), PyInt_AsLong(o4));
+        return TRUE;

     }
     }

-    return result;
-}

 
 

+ error:
+    PyErr_SetString(PyExc_TypeError, "Expected a 4-tuple of integers or a wxRect object.");
+    return FALSE;
+}