]> git.saurik.com Git - wxWidgets.git/blobdiff - wxPython/src/helpers.cpp
fixed wxString iterators linked list corruption
[wxWidgets.git] / wxPython / src / helpers.cpp
index 7bf489e671ba7555333c9b01df97ddce88500a47..a99061c73289ab3a6f61f0313c081669413ff1d5 100644 (file)
@@ -4,34 +4,98 @@
 //
 // Author:      Robin Dunn
 //
-// Created:     7/1/97
+// Created:     1-July-1997
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 by Total Control Software
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
-#include <stdio.h>  // get the correct definition of NULL
 
 #undef DEBUG
 #include <Python.h>
-#include "helpers.h"
+#include "wx/wxPython/wxPython_int.h"
+#include "wx/wxPython/pyistream.h"
+#include "wx/wxPython/swigver.h"
+#include "wx/wxPython/twoitem.h"
 
 #ifdef __WXMSW__
 #include <wx/msw/private.h>
-#undef FindWindow
-#undef GetCharWidth
-#undef LoadAccelerators
-#undef GetClassInfo
-#undef GetClassName
+#include <wx/msw/winundef.h>
+#include <wx/msw/msvcrt.h>
 #endif
 
 #ifdef __WXGTK__
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
 #include <gtk/gtk.h>
 #include <gdk/gdkprivate.h>
+#ifdef __WXGTK20__
 #include <wx/gtk/win_gtk.h>
+#else
+#include <wx/gtk1/win_gtk.h>
 #endif
+#define GetXWindow(wxwin) (wxwin)->m_wxwindow ? \
+                          GDK_WINDOW_XWINDOW(GTK_PIZZA((wxwin)->m_wxwindow)->bin_window) : \
+                          GDK_WINDOW_XWINDOW((wxwin)->m_widget->window)
+#include <locale.h>
+#endif
+
+#ifdef __WXX11__
+#include "wx/x11/privx.h"
+#define GetXWindow(wxwin)   ((Window)(wxwin)->GetHandle())
+#endif
+
+#ifdef __WXMAC__
+#include <wx/mac/private.h>
+#endif
+
+#include <wx/clipbrd.h>
+#include <wx/mimetype.h>
+#include <wx/image.h>
+
+//----------------------------------------------------------------------
+
+#if PYTHON_API_VERSION < 1009 && wxUSE_UNICODE
+#error Python must support Unicode to use wxWindows Unicode
+#endif
+
+//----------------------------------------------------------------------
+
+wxPyApp* wxPythonApp = NULL;  // Global instance of application object
+bool wxPyDoCleanup = false;
+bool wxPyDoingCleanup = false;
+
+
+#ifdef WXP_WITH_THREAD
+#if !wxPyUSE_GIL_STATE
+struct wxPyThreadState {
+    unsigned long  tid;
+    PyThreadState* tstate;
+
+    wxPyThreadState(unsigned long _tid=0, PyThreadState* _tstate=NULL)
+        : tid(_tid), tstate(_tstate) {}
+};
+
+#include <wx/dynarray.h>
+WX_DECLARE_OBJARRAY(wxPyThreadState, wxPyThreadStateArray);
+#include <wx/arrimpl.cpp>
+WX_DEFINE_OBJARRAY(wxPyThreadStateArray);
+
+wxPyThreadStateArray* wxPyTStates = NULL;
+wxMutex*              wxPyTMutex = NULL;
+
+#endif
+#endif
+
 
+#define DEFAULTENCODING_SIZE 64
+static char wxPyDefaultEncoding[DEFAULTENCODING_SIZE] = "ascii";
 
+static PyObject* wxPython_dict = NULL;
+static PyObject* wxPyAssertionError = NULL;
+static PyObject* wxPyNoAppError = NULL;
+
+PyObject* wxPyPtrTypeMap = NULL;
 
 
 #ifdef __WXMSW__             // If building for win32...
 // This gets run when the DLL is loaded.  We just need to save a handle.
 //----------------------------------------------------------------------
 
+extern "C"
 BOOL WINAPI DllMain(
     HINSTANCE   hinstDLL,    // handle to DLL module
     DWORD       fdwReason,   // reason for calling function
     LPVOID      lpvReserved  // reserved
    )
 {
-    wxSetInstance(hinstDLL);
-    return 1;
+    // If wxPython is embedded in another wxWidgets app then
+    // the instance has already been set.
+    if (! wxGetInstance())
+        wxSetInstance(hinstDLL);
+    return true;
 }
 #endif
 
 //----------------------------------------------------------------------
-// Class for implementing the wxp main application shell.
+// Classes for implementing the wxp main application shell.
 //----------------------------------------------------------------------
 
-wxPyApp *wxPythonApp = NULL;            // Global instance of application object
+IMPLEMENT_ABSTRACT_CLASS(wxPyApp, wxApp);
 
 
 wxPyApp::wxPyApp() {
-//    printf("**** ctor\n");
+    m_assertMode = wxPYAPP_ASSERT_EXCEPTION;
+    m_startupComplete = false;
 }
 
+
 wxPyApp::~wxPyApp() {
-//    printf("**** dtor\n");
+    wxPythonApp = NULL;
+    wxApp::SetInstance(NULL);
 }
 
 
-// This one isn't acutally called...  See __wxStart()
-bool wxPyApp::OnInit(void) {
-    return FALSE;
+// This one isn't acutally called...  We fake it with _BootstrapApp
+bool wxPyApp::OnInit() {
+    return false;
 }
 
-int  wxPyApp::MainLoop(void) {
+
+int  wxPyApp::MainLoop() {
     int retval = 0;
 
     DeletePendingObjects();
-#ifdef __WXGTK__
-    m_initialized = wxTopLevelWindows.GetCount() != 0;
-#endif
+    bool initialized = wxTopLevelWindows.GetCount() != 0;
+    if (initialized) {
+        if ( m_exitOnFrameDelete == Later ) {
+            m_exitOnFrameDelete = Yes;
+        }
 
-    if (Initialized()) {
         retval = wxApp::MainLoop();
-        wxPythonApp->OnExit();
+        OnExit();
     }
     return retval;
 }
 
 
-//---------------------------------------------------------------------
-//----------------------------------------------------------------------
+bool wxPyApp::OnInitGui() {
+    bool rval=true;
+    wxApp::OnInitGui();  // in this case always call the base class version
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if (wxPyCBH_findCallback(m_myInst, "OnInitGui"))
+        rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
+    wxPyEndBlockThreads(blocked);
+    return rval;
+}
 
-#ifdef __WXMSW__
-#include "wx/msw/msvcrt.h"
-#endif
+
+int wxPyApp::OnExit() {
+    int rval=0;
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if (wxPyCBH_findCallback(m_myInst, "OnExit"))
+        rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
+    wxPyEndBlockThreads(blocked);
+    wxApp::OnExit();  // in this case always call the base class version
+    return rval;
+}
 
 
-int  WXDLLEXPORT wxEntryStart( int argc, char** argv );
-int  WXDLLEXPORT wxEntryInitGui();
-void WXDLLEXPORT wxEntryCleanup();
 
+void wxPyApp::ExitMainLoop() {
+    bool found;
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if ((found = wxPyCBH_findCallback(m_myInst, "ExitMainLoop")))
+        wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
+    wxPyEndBlockThreads(blocked);
+    if (! found)
+        wxApp::ExitMainLoop();
+}  
 
-#ifdef WXP_WITH_THREAD
-PyThreadState*  wxPyEventThreadState = NULL;
+
+#ifdef __WXDEBUG__
+void wxPyApp::OnAssertFailure(const wxChar *file,
+                              int line,
+                              const wxChar *func,
+                              const wxChar *cond,
+                              const wxChar *msg)
+{
+    // if we're not fully initialized then just log the error
+    if (! m_startupComplete) {
+        wxString buf;
+        buf.Alloc(4096);
+        buf.Printf(wxT("%s(%d): assert \"%s\" failed"),
+                   file, line, cond);
+        if ( func && *func )
+            buf << wxT(" in ") << func << wxT("()");
+        if (msg != NULL) 
+            buf << wxT(": ") << msg;
+        
+        wxLogDebug(buf);
+        return;
+    }
+
+    // If the OnAssert is overloaded in the Python class then call it...
+    bool found;
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if ((found = wxPyCBH_findCallback(m_myInst, "OnAssert"))) {
+        PyObject* fso = wx2PyString(file);
+        PyObject* cso = wx2PyString(file);
+        PyObject* mso;
+        if (msg != NULL)
+            mso = wx2PyString(file);
+        else {
+            mso = Py_None; Py_INCREF(Py_None);
+        }
+        wxPyCBH_callCallback(m_myInst, Py_BuildValue("(OiOO)", fso, line, cso, mso));
+        Py_DECREF(fso);
+        Py_DECREF(cso);
+        Py_DECREF(mso);
+    }
+    wxPyEndBlockThreads(blocked);
+
+    // ...otherwise do our own thing with it
+    if (! found) {
+        // ignore it?
+        if (m_assertMode & wxPYAPP_ASSERT_SUPPRESS)
+            return;
+
+        // turn it into a Python exception?
+        if (m_assertMode & wxPYAPP_ASSERT_EXCEPTION) {
+            wxString buf;
+            buf.Alloc(4096);
+            buf.Printf(wxT("C++ assertion \"%s\" failed at %s(%d)"), cond, file, line);
+            if ( func && *func )
+                buf << wxT(" in ") << func << wxT("()");
+            if (msg != NULL) 
+                buf << wxT(": ") << msg;
+            
+
+            // set the exception
+            wxPyBlock_t blocked = wxPyBeginBlockThreads();
+            PyObject* s = wx2PyString(buf);
+            PyErr_SetObject(wxPyAssertionError, s);
+            Py_DECREF(s);
+            wxPyEndBlockThreads(blocked);
+
+            // Now when control returns to whatever API wrapper was called from
+            // Python it should detect that an exception is set and will return
+            // NULL, signalling the exception to Python.
+        }
+
+        // Send it to the normal log destination, but only if
+        // not _DIALOG because it will call this too
+        if ( (m_assertMode & wxPYAPP_ASSERT_LOG) && !(m_assertMode & wxPYAPP_ASSERT_DIALOG)) {
+            wxString buf;
+            buf.Alloc(4096);
+            buf.Printf(wxT("%s(%d): assert \"%s\" failed"),
+                       file, line, cond);
+            if ( func && *func )
+                buf << wxT(" in ") << func << wxT("()");
+            if (msg != NULL) 
+                buf << wxT(": ") << msg;
+            wxLogDebug(buf);
+        }
+
+        // do the normal wx assert dialog?
+        if (m_assertMode & wxPYAPP_ASSERT_DIALOG)
+            wxApp::OnAssertFailure(file, line, func, cond, msg);
+    }
+}
 #endif
 
+    // For catching Apple Events
+void wxPyApp::MacOpenFile(const wxString &fileName)
+{
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if (wxPyCBH_findCallback(m_myInst, "MacOpenFile")) {
+        PyObject* s = wx2PyString(fileName);
+        wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));
+        Py_DECREF(s);
+    }
+    wxPyEndBlockThreads(blocked);
+}
+
+void wxPyApp::MacOpenURL(const wxString &url)
+{
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if (wxPyCBH_findCallback(m_myInst, "MacOpenURL")) {
+        PyObject* s = wx2PyString(url);
+        wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));
+        Py_DECREF(s);
+    }
+    wxPyEndBlockThreads(blocked);
+}
 
-// This is where we pick up the first part of the wxEntry functionality...
-// The rest is in __wxStart and  __wxCleanup.  This function is called when
-// wxcmodule is imported.  (Before there is a wxApp object.)
-void __wxPreStart()
+void wxPyApp::MacPrintFile(const wxString &fileName)
 {
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if (wxPyCBH_findCallback(m_myInst, "MacPrintFile")) {
+        PyObject* s = wx2PyString(fileName);
+        wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));
+        Py_DECREF(s);
+    }
+    wxPyEndBlockThreads(blocked);
+}
 
-#ifdef __WXMSW__
-//    wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
+void wxPyApp::MacNewFile()
+{
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if (wxPyCBH_findCallback(m_myInst, "MacNewFile"))
+        wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
+    wxPyEndBlockThreads(blocked);
+}
+
+void wxPyApp::MacReopenApp()
+{
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if (wxPyCBH_findCallback(m_myInst, "MacReopenApp"))
+        wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
+    wxPyEndBlockThreads(blocked);
+}
+
+
+/*static*/
+bool wxPyApp::GetMacSupportPCMenuShortcuts() {
+    return 0;
+}
+
+/*static*/
+long wxPyApp::GetMacAboutMenuItemId() {
+#ifdef __WXMAC__
+    return s_macAboutMenuItemId;
+#else
+    return 0;
 #endif
+}
 
-#ifdef WXP_WITH_THREAD
-    PyEval_InitThreads();
-    wxPyEventThreadState = PyThreadState_New(PyThreadState_Get()->interp);
+/*static*/
+long wxPyApp::GetMacPreferencesMenuItemId() {
+#ifdef __WXMAC__
+    return s_macPreferencesMenuItemId;
+#else
+    return 0;
 #endif
+}
 
-    // Bail out if there is already windows created.  This means that the
-    // toolkit has already been initialized, as in embedding wxPython in
-    // a C++ wxWindows app.
-    if (wxTopLevelWindows.Number() > 0)
-        return;
+/*static*/
+long wxPyApp::GetMacExitMenuItemId() {
+#ifdef __WXMAC__
+    return s_macExitMenuItemId;
+#else
+    return 0;
+#endif
+}
+
+/*static*/
+wxString wxPyApp::GetMacHelpMenuTitleName() {
+#ifdef __WXMAC__
+    return s_macHelpMenuTitleName;
+#else
+    return wxEmptyString;
+#endif
+}
 
+/*static*/
+void wxPyApp::SetMacSupportPCMenuShortcuts(bool) {
+}
 
-    int argc = 0;
-    char** argv = NULL;
-    PyObject* sysargv = PySys_GetObject("argv");
-    if (sysargv != NULL) {
-        argc = PyList_Size(sysargv);
-        argv = new char*[argc+1];
-        int x;
-        for(x=0; x<argc; x++)
-            argv[x] = copystring(PyString_AsString(PyList_GetItem(sysargv, x)));
-        argv[argc] = NULL;
-    }
+/*static*/
+void wxPyApp::SetMacAboutMenuItemId(long val) {
+#ifdef __WXMAC__
+    s_macAboutMenuItemId = val;
+#endif
+}
+
+/*static*/
+void wxPyApp::SetMacPreferencesMenuItemId(long val) {
+#ifdef __WXMAC__
+    s_macPreferencesMenuItemId = val;
+#endif
+}
 
-    wxEntryStart(argc, argv);
-    delete [] argv;
+/*static*/
+void wxPyApp::SetMacExitMenuItemId(long val) {
+#ifdef __WXMAC__
+    s_macExitMenuItemId = val;
+#endif
 }
 
+/*static*/
+void wxPyApp::SetMacHelpMenuTitleName(const wxString& val) {
+#ifdef __WXMAC__
+    s_macHelpMenuTitleName = val;
+#endif
+}
 
 
-// Start the user application, user App's OnInit method is a parameter here
-PyObject* __wxStart(PyObject* /* self */, PyObject* args)
+// This finishes the initialization of wxWindows and then calls the OnInit
+// that should be present in the derived (Python) class.
+void wxPyApp::_BootstrapApp()
 {
-    PyObject*   onInitFunc = NULL;
-    PyObject*   arglist;
-    PyObject*   result;
-    long        bResult;
+    static      bool haveInitialized = false;
+    bool        result;
+    wxPyBlock_t     blocked;
+    PyObject*   retval = NULL;
+    PyObject*   pyint  = NULL;
+
+
+    // Only initialize wxWidgets once
+    if (! haveInitialized) {
+
+        // Get any command-line args passed to this program from the sys module
+        int    argc = 0;
+        char** argv = NULL;
+        blocked = wxPyBeginBlockThreads();
+        
+        PyObject* sysargv = PySys_GetObject("argv");
+        PyObject* executable = PySys_GetObject("executable");
+        
+        if (sysargv != NULL && executable != NULL) {
+            argc = PyList_Size(sysargv) + 1;
+            argv = new char*[argc+1];
+            argv[0] = strdup(PyString_AsString(executable));
+            int x;
+            for(x=1; x<argc; x++) {
+                PyObject *pyArg = PyList_GetItem(sysargv, x-1);
+                argv[x] = strdup(PyString_AsString(pyArg));
+            }
+            argv[argc] = NULL;
+        }
+        wxPyEndBlockThreads(blocked);
 
-    if (!PyArg_ParseTuple(args, "O", &onInitFunc))
-        return NULL;
+        // Initialize wxWidgets
+        result = wxEntryStart(argc, argv);
+        // wxApp takes ownership of the argv array, don't delete it here
 
-#if 0  // Try it out without this check, see how it does...
-    if (wxTopLevelWindows.Number() > 0) {
-        PyErr_SetString(PyExc_TypeError, "Only 1 wxApp per process!");
-        return NULL;
-    }
+        blocked = wxPyBeginBlockThreads();
+        if (! result)  {
+            PyErr_SetString(PyExc_SystemError,
+                            "wxEntryStart failed, unable to initialize wxWidgets!"
+#ifdef __WXGTK__
+                            "  (Is DISPLAY set properly?)"
+#endif
+                );
+            goto error;
+        }
+
+        // On wxGTK the locale will be changed to match the system settings,
+        // but Python before 2.4 needs to have LC_NUMERIC set to "C" in order
+        // for the floating point conversions and such to work right.
+#if defined(__WXGTK__) && PY_VERSION_HEX < 0x02040000
+        setlocale(LC_NUMERIC, "C");
 #endif
 
-    // This is the next part of the wxEntry functionality...
-    int argc = 0;
-    char** argv = NULL;
-    PyObject* sysargv = PySys_GetObject("argv");
-    if (sysargv != NULL) {
-        argc = PyList_Size(sysargv);
-        argv = new char*[argc+1];
-        int x;
-        for(x=0; x<argc; x++)
-            argv[x] = copystring(PyString_AsString(PyList_GetItem(sysargv, x)));
-        argv[argc] = NULL;
-    }
-    wxPythonApp->argc = argc;
-    wxPythonApp->argv = argv;
-
-    wxEntryInitGui();
-
-    // Call the Python App's OnInit function
-    arglist = PyTuple_New(0);
-    result = PyEval_CallObject(onInitFunc, arglist);
-    if (!result) {      // an exception was raised.
-        return NULL;
+//        wxSystemOptions::SetOption(wxT("mac.textcontrol-use-mlte"), 1);
+        
+        wxPyEndBlockThreads(blocked);
+        haveInitialized = true;
     }
+    else {
+        this->argc = 0;
+        this->argv = NULL;
+    }
+    
+
+    // It's now ok to generate exceptions for assertion errors.
+    wxPythonApp->SetStartupComplete(true);
+
+   
+    // Call the Python wxApp's OnPreInit and OnInit functions
+    blocked = wxPyBeginBlockThreads();
+    if (wxPyCBH_findCallback(m_myInst, "OnPreInit")) {
+        PyObject* method = m_myInst.GetLastFound();
+        PyObject* argTuple = PyTuple_New(0);
+        retval = PyEval_CallObject(method, argTuple);
+        m_myInst.clearRecursionGuard(method);
+        Py_DECREF(argTuple);
+        Py_DECREF(method);
+        if (retval == NULL)
+            goto error;
+    }
+    if (wxPyCBH_findCallback(m_myInst, "OnInit")) {
+
+        PyObject* method = m_myInst.GetLastFound();
+        PyObject* argTuple = PyTuple_New(0);
+        retval = PyEval_CallObject(method, argTuple);
+        m_myInst.clearRecursionGuard(method);
+        Py_DECREF(argTuple);
+        Py_DECREF(method);
+        if (retval == NULL)
+            // Don't PyErr_Print here, let the exception in this case go back
+            // up to the wx.PyApp.__init__ scope.
+            goto error;
 
-    if (! PyInt_Check(result)) {
-        PyErr_SetString(PyExc_TypeError, "OnInit should return a boolean value");
-        return NULL;
+        pyint = PyNumber_Int(retval);
+        if (! pyint) {
+            PyErr_SetString(PyExc_TypeError, "OnInit should return a boolean value");
+            goto error;
+        }
+        result = PyInt_AS_LONG(pyint);
     }
-    bResult = PyInt_AS_LONG(result);
-    if (! bResult) {
-        PyErr_SetString(PyExc_SystemExit, "OnInit returned FALSE, exiting...");
-        return NULL;
+    else {
+        // Is it okay if there is no OnInit?  Probably so...
+        result = true;
     }
 
-#ifdef __WXGTK__
-    wxTheApp->m_initialized = (wxTopLevelWindows.GetCount() > 0);
+    if (! result) {
+        PyErr_SetString(PyExc_SystemExit, "OnInit returned false, exiting...");
+    }
+
+ error:
+    Py_XDECREF(retval);
+    Py_XDECREF(pyint);
+
+    wxPyEndBlockThreads(blocked);
+};
+
+//---------------------------------------------------------------------
+//----------------------------------------------------------------------
+
+
+#if 0
+static char* wxPyCopyCString(const wxChar* src)
+{
+    wxWX2MBbuf buff = (wxWX2MBbuf)wxConvCurrent->cWX2MB(src);
+    size_t len = strlen(buff);
+    char*  dest = new char[len+1];
+    strcpy(dest, buff);
+    return dest;
+}
+
+#if wxUSE_UNICODE
+static char* wxPyCopyCString(const char* src)   // we need a char version too
+{
+    size_t len = strlen(src);
+    char*  dest = new char[len+1];
+    strcpy(dest, src);
+    return dest;
+}
 #endif
 
-    Py_INCREF(Py_None);
-    return Py_None;
+static wxChar* wxPyCopyWString(const char *src)
+{
+    //wxMB2WXbuf buff = wxConvCurrent->cMB2WX(src);
+    wxString str(src, *wxConvCurrent);
+    return copystring(str);
+}
+
+#if wxUSE_UNICODE
+static wxChar* wxPyCopyWString(const wxChar *src)
+{
+    return copystring(src);
 }
+#endif
+#endif
 
-void __wxCleanup() {
-    wxEntryCleanup();
+
+inline const char* dropwx(const char* name) {
+    if (name[0] == 'w' && name[1] == 'x')
+        return name+2;
+    else
+        return name;
 }
 
+//----------------------------------------------------------------------
 
+// This function is called when the wx._core_ module is imported to do some
+// initial setup.  (Before there is a wxApp object.)  The rest happens in
+// wxPyApp::_BootstrapApp
+void __wxPyPreStart(PyObject* moduleDict)
+{
 
-static PyObject* wxPython_dict = NULL;
-static PyObject* wxPyPtrTypeMap = NULL;
+#ifdef __WXMSW__
+//     wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF
+//                     | _CRTDBG_CHECK_ALWAYS_DF
+//                     | _CRTDBG_DELAY_FREE_MEM_DF
+//         );
+#endif
+
+#ifdef WXP_WITH_THREAD
+#if wxPyUSE_GIL_STATE
+    PyEval_InitThreads();
+#else
+    PyEval_InitThreads();
+    wxPyTStates = new wxPyThreadStateArray;
+    wxPyTMutex = new wxMutex;
+
+    // Save the current (main) thread state in our array
+    PyThreadState* tstate = wxPyBeginAllowThreads();
+    wxPyEndAllowThreads(tstate);
+#endif
+#endif
 
-PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
+    // Ensure that the build options in the DLL (or whatever) match this build
+    wxApp::CheckBuildOptions(WX_BUILD_OPTIONS_SIGNATURE, "wxPython");
+
+    wxInitAllImageHandlers();
+}
+
+
+
+void __wxPyCleanup() {
+    wxPyDoingCleanup = true;
+    if (wxPyDoCleanup) {
+        wxPyDoCleanup = false;
+        wxEntryCleanup();
+    }
+#ifdef WXP_WITH_THREAD
+#if !wxPyUSE_GIL_STATE
+    delete wxPyTMutex;
+    wxPyTMutex = NULL;
+    wxPyTStates->Empty();
+    delete wxPyTStates;
+    wxPyTStates = NULL;
+#endif
+#endif
+}
+
+
+// Save a reference to the dictionary of the wx._core module, and inject
+// a few more things into it.
+PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args)
 {
 
     if (!PyArg_ParseTuple(args, "O", &wxPython_dict))
         return NULL;
 
     if (!PyDict_Check(wxPython_dict)) {
-        PyErr_SetString(PyExc_TypeError, "_wxSetDictionary must have dictionary object!");
+        PyErr_SetString(PyExc_TypeError,
+                        "_wxPySetDictionary must have dictionary object!");
         return NULL;
     }
 
@@ -229,27 +650,204 @@ PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
         wxPyPtrTypeMap = PyDict_New();
     PyDict_SetItemString(wxPython_dict, "__wxPyPtrTypeMap", wxPyPtrTypeMap);
 
+    // Create an exception object to use for wxASSERTions
+    wxPyAssertionError = PyErr_NewException("wx._core.PyAssertionError",
+                                            PyExc_AssertionError, NULL);
+    PyDict_SetItemString(wxPython_dict, "PyAssertionError", wxPyAssertionError);
+
+    // Create an exception object to use when the app object hasn't been created yet
+    wxPyNoAppError = PyErr_NewException("wx._core.PyNoAppError",
+                                        PyExc_RuntimeError, NULL);
+    PyDict_SetItemString(wxPython_dict, "PyNoAppError", wxPyNoAppError);
+
+
 
 #ifdef __WXMOTIF__
 #define wxPlatform "__WXMOTIF__"
+#define wxPlatName "wxMotif"
 #endif
-#ifdef __WXQT__
-#define wxPlatform "__WXQT__"
+#ifdef __WXX11__
+#define wxPlatform "__WXX11__"
+#define wxPlatName "wxX11"
 #endif
 #ifdef __WXGTK__
 #define wxPlatform "__WXGTK__"
+#define wxPlatName "wxGTK"
 #endif
-#if defined(__WIN32__) || defined(__WXMSW__)
+#ifdef __WXMSW__
 #define wxPlatform "__WXMSW__"
+#define wxPlatName "wxMSW"
 #endif
 #ifdef __WXMAC__
 #define wxPlatform "__WXMAC__"
+#define wxPlatName "wxMac"
 #endif
 
-    PyDict_SetItemString(wxPython_dict, "wxPlatform", PyString_FromString(wxPlatform));
+#ifdef __WXDEBUG__
+    int wxdebug = 1;
+#else
+    int wxdebug = 0;
+#endif
+
+    // These should be deprecated in favor of the PlatformInfo tuple built below...
+    PyDict_SetItemString(wxPython_dict, "Platform", PyString_FromString(wxPlatform));
+    PyDict_SetItemString(wxPython_dict, "USE_UNICODE", PyInt_FromLong(wxUSE_UNICODE));
+    PyDict_SetItemString(wxPython_dict, "__WXDEBUG__", PyInt_FromLong(wxdebug));
+
+    // Make a tuple of strings that gives more info about the platform.
+    PyObject* PlatInfo = PyList_New(0);
+    PyObject* obj;
+
+#define _AddInfoString(st) \
+    obj = PyString_FromString(st); \
+    PyList_Append(PlatInfo, obj); \
+    Py_DECREF(obj)
+
+    _AddInfoString(wxPlatform);
+    _AddInfoString(wxPlatName);
+#if wxUSE_UNICODE
+    _AddInfoString("unicode");
+#else
+    _AddInfoString("ansi");
+#endif
+#ifdef __WXGTK__
+#ifdef __WXGTK20__
+    _AddInfoString("gtk2");
+#else
+    _AddInfoString("gtk1");
+#endif
+#endif
+#ifdef __WXDEBUG__
+    _AddInfoString("wx-assertions-on");
+#else
+    _AddInfoString("wx-assertions-off");
+#endif
+    _AddInfoString(wxPy_SWIG_VERSION);    
+#ifdef __WXMAC__
+    #if wxMAC_USE_CORE_GRAPHICS
+        _AddInfoString("mac-cg");
+    #else
+        _AddInfoString("mac-qd");
+    #endif
+    #if wxMAC_USE_NATIVE_TOOLBAR
+        _AddInfoString("mac-native-tb");
+    #else
+        _AddInfoString("mac-no-native-tb");
+    #endif
+#endif
+        
+#undef _AddInfoString
+
+    PyObject* PlatInfoTuple = PyList_AsTuple(PlatInfo);
+    Py_DECREF(PlatInfo);
+    PyDict_SetItemString(wxPython_dict, "PlatformInfo", PlatInfoTuple);
+
+    RETURN_NONE();
+}
+
 
-    Py_INCREF(Py_None);
-    return Py_None;
+
+//---------------------------------------------------------------------------
+
+// Check for existence of a wxApp, setting an exception if there isn't one.
+// This doesn't need to aquire the GIL because it should only be called from
+// an %exception before the lock is released.
+
+bool wxPyCheckForApp() {
+    if (wxTheApp != NULL)
+        return true;
+    else {
+        PyErr_SetString(wxPyNoAppError, "The wx.App object must be created first!");
+        return false;
+    }
+}
+
+//---------------------------------------------------------------------------
+
+void wxPyUserData_dtor(wxPyUserData* self) {
+    if (! wxPyDoingCleanup) {
+        wxPyBlock_t blocked = wxPyBeginBlockThreads();
+        Py_DECREF(self->m_obj);
+        self->m_obj = NULL;
+        wxPyEndBlockThreads(blocked);
+    }
+}
+
+
+void wxPyClientData_dtor(wxPyClientData* self) {
+    if (! wxPyDoingCleanup) {           // Don't do it during cleanup as Python
+                                        // may have already garbage collected the object...
+        if (self->m_incRef) {
+            wxPyBlock_t blocked = wxPyBeginBlockThreads();
+            Py_DECREF(self->m_obj);
+            wxPyEndBlockThreads(blocked);
+        }
+        self->m_obj = NULL;
+    }
+}
+
+
+
+// This is called when an OOR controled object is being destroyed.  Although
+// the C++ object is going away there is no way to force the Python object
+// (and all references to it) to die too.  This causes problems (crashes) in
+// wxPython when a python shadow object attempts to call a C++ method using
+// the now bogus pointer... So to try and prevent this we'll do a little black
+// magic and change the class of the python instance to a class that will
+// raise an exception for any attempt to call methods with it.  See
+// _wxPyDeadObject in _core_ex.py for the implementation of this class.
+void wxPyOORClientData_dtor(wxPyOORClientData* self) {
+
+    static PyObject* deadObjectClass = NULL;
+
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if (deadObjectClass == NULL) {
+        deadObjectClass = PyDict_GetItemString(wxPython_dict, "_wxPyDeadObject");
+        // TODO:  Can not wxASSERT here because inside a wxPyBeginBlock Threads,
+        // will lead to a deadlock when it tries to aquire the GIL again.
+        //wxASSERT_MSG(deadObjectClass != NULL, wxT("Can't get _wxPyDeadObject class!"));
+        Py_INCREF(deadObjectClass);
+    }
+
+
+    // Only if there is more than one reference to the object and we are
+    // holding the OOR reference:
+    if ( !wxPyDoingCleanup && self->m_obj->ob_refcnt > 1 && self->m_incRef) {
+        // bool isInstance = wxPyInstance_Check(self->m_obj);
+        // TODO same here
+        //wxASSERT_MSG(isInstance, wxT("m_obj not an instance!?!?!"));
+
+        // Call __del__, if there is one.
+        PyObject* func = PyObject_GetAttrString(self->m_obj, "__del__");
+        if (func) {
+            PyObject* rv = PyObject_CallMethod(self->m_obj, "__del__", NULL);
+            Py_XDECREF(rv);
+            Py_DECREF(func);
+        }
+        if (PyErr_Occurred())
+            PyErr_Clear();      // just ignore it for now
+
+
+        PyObject* dict = PyObject_GetAttrString(self->m_obj, "__dict__");
+        if (dict) {
+            // Clear the instance's dictionary
+            PyDict_Clear(dict);
+
+            // put the name of the old class into the instance, and then reset the
+            // class to be the dead class.
+            PyObject* klass = PyObject_GetAttrString(self->m_obj, "__class__");
+            PyObject* name =  PyObject_GetAttrString(klass, "__name__");
+            PyDict_SetItemString(dict, "_name", name);
+            PyObject_SetAttrString(self->m_obj, "__class__",  deadObjectClass);
+            //Py_INCREF(deadObjectClass);
+            Py_DECREF(klass);
+            Py_DECREF(name);
+            Py_DECREF(dict);
+        }
+    }
+
+    // m_obj is DECREF'd in the base class dtor...
+    wxPyEndBlockThreads(blocked);
 }
 
 
@@ -262,10 +860,10 @@ PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
 // is not the same as the shadow class name, for example wxPyTreeCtrl
 // vs. wxTreeCtrl.  It needs to be referenced in Python as well as from C++,
 // so we'll just make it a Python dictionary in the wx module's namespace.
+// (See __wxSetDictionary)
 void wxPyPtrTypeMap_Add(const char* commonName, const char* ptrName) {
     if (! wxPyPtrTypeMap)
         wxPyPtrTypeMap = PyDict_New();
-
     PyDict_SetItemString(wxPyPtrTypeMap,
                          (char*)commonName,
                          PyString_FromString((char*)ptrName));
@@ -273,39 +871,64 @@ void wxPyPtrTypeMap_Add(const char* commonName, const char* ptrName) {
 
 
 
-PyObject* wxPyClassExists(const char* className) {
-
-    if (!className)
-        return NULL;
-
-    char    buff[64];               // should always be big enough...
-
-    sprintf(buff, "%sPtr", className);
-    PyObject* classobj = PyDict_GetItemString(wxPython_dict, buff);
-
-    return classobj;  // returns NULL if not found
-}
-
 
-PyObject*  wxPyMake_wxObject(wxObject* source) {
-    PyObject* target;
+PyObject*  wxPyMake_wxObject(wxObject* source, bool setThisOwn, bool checkEvtHandler) {
+    PyObject* target = NULL;
+    bool      isEvtHandler = false;
+    bool      isSizer = false;
 
     if (source) {
-        wxClassInfo* info = source->GetClassInfo();
-        wxChar*      name = (wxChar*)info->GetClassName();
-        PyObject*    klass = wxPyClassExists(name);
-        while (info && !klass) {
-            name = (wxChar*)info->GetBaseClassName1();
-            info = wxClassInfo::FindClass(name);
-            klass = wxPyClassExists(name);
+        // If it's derived from wxEvtHandler then there may
+        // already be a pointer to a Python object that we can use
+        // in the OOR data.
+        if (checkEvtHandler && wxIsKindOf(source, wxEvtHandler)) {
+            isEvtHandler = true;
+            wxEvtHandler* eh = (wxEvtHandler*)source;
+            wxPyOORClientData* data = (wxPyOORClientData*)eh->GetClientObject();
+            if (data) {
+                target = data->m_obj;
+                if (target)
+                    Py_INCREF(target);
+            }
         }
-        if (info) {
-            target = wxPyConstructObject(source, name, klass, FALSE);
-        } else {
-            wxString msg("wxPython class not found for ");
-            msg += source->GetClassInfo()->GetClassName();
-            PyErr_SetString(PyExc_NameError, msg.c_str());
-            return NULL;
+
+        // Also check for wxSizer
+        if (!target && wxIsKindOf(source, wxSizer)) {
+            isSizer = true;
+            wxSizer* sz = (wxSizer*)source;
+            wxPyOORClientData* data = (wxPyOORClientData*)sz->GetClientObject();
+            if (data) {
+                target = data->m_obj;
+                if (target)
+                    Py_INCREF(target);
+            }
+        }
+        
+        if (! target) {
+            // Otherwise make it the old fashioned way by making a new shadow
+            // object and putting this pointer in it.  Look up the class
+            // heirarchy until we find a class name that is located in the
+            // python module.
+            const wxClassInfo* info   = source->GetClassInfo();
+            wxString           name   = info->GetClassName();
+            bool               exists = wxPyCheckSwigType(name);
+            while (info && !exists) {
+                info = info->GetBaseClass1();
+                name = info->GetClassName();
+                exists = wxPyCheckSwigType(name);
+            }
+            if (info) {
+                target = wxPyConstructObject((void*)source, name, setThisOwn);
+                if (target && isEvtHandler)
+                    ((wxEvtHandler*)source)->SetClientObject(new wxPyOORClientData(target));
+                if (target && isSizer)
+                    ((wxSizer*)source)->SetClientObject(new wxPyOORClientData(target));
+            } else {
+                wxString msg(wxT("wxPython class not found for "));
+                msg += source->GetClassInfo()->GetClassName();
+                PyErr_SetString(PyExc_NameError, msg.mbc_str());
+                target = NULL;
+            }
         }
     } else {  // source was NULL so return None.
         Py_INCREF(Py_None); target = Py_None;
@@ -313,104 +936,477 @@ PyObject*  wxPyMake_wxObject(wxObject* source) {
     return target;
 }
 
-//---------------------------------------------------------------------------
 
-PyObject* wxPyConstructObject(void* ptr,
-                              const char* className,
-                              PyObject* klass,
-                              int setThisOwn) {
+PyObject*  wxPyMake_wxSizer(wxSizer* source, bool setThisOwn) {
 
-    PyObject* obj;
-    PyObject* arg;
-    PyObject* item;
-    char      swigptr[64];      // should always be big enough...
-    char      buff[64];
+    return wxPyMake_wxObject(source, setThisOwn);
+}
 
-    if ((item = PyDict_GetItemString(wxPyPtrTypeMap, (char*)className)) != NULL) {
-        className = PyString_AsString(item);
-    }
-    sprintf(buff, "_%s_p", className);
-    SWIG_MakePtr(swigptr, ptr, buff);
 
-    arg = Py_BuildValue("(s)", swigptr);
-    obj = PyInstance_New(klass, arg, NULL);
-    Py_DECREF(arg);
+//---------------------------------------------------------------------------
 
-    if (setThisOwn) {
-        PyObject* one = PyInt_FromLong(1);
-        PyObject_SetAttrString(obj, "thisown", one);
-        Py_DECREF(one);
-    }
 
-    return obj;
-}
+#ifdef WXP_WITH_THREAD
+#if !wxPyUSE_GIL_STATE
 
+inline
+unsigned long wxPyGetCurrentThreadId() {
+    return wxThread::GetCurrentId();
+}
 
-PyObject* wxPyConstructObject(void* ptr,
-                              const char* className,
-                              int setThisOwn) {
-    PyObject* obj;
+static wxPyThreadState gs_shutdownTState;
 
-    if (!ptr) {
-        Py_INCREF(Py_None);
-        return Py_None;
-    }
+static
+wxPyThreadState* wxPyGetThreadState() {
+    if (wxPyTMutex == NULL) // Python is shutting down...
+        return &gs_shutdownTState;
 
-    char    buff[64];               // should always be big enough...
+    unsigned long ctid = wxPyGetCurrentThreadId();
+    wxPyThreadState* tstate = NULL;
 
-    sprintf(buff, "%sPtr", className);
-    PyObject* classobj = PyDict_GetItemString(wxPython_dict, buff);
-    if (! classobj) {
-        char temp[128];
-        sprintf(temp,
-                "*** Unknown class name %s, tell Robin about it please ***",
-                buff);
-        obj = PyString_FromString(temp);
-        return obj;
+    wxPyTMutex->Lock();
+    for(size_t i=0; i < wxPyTStates->GetCount(); i++) {
+        wxPyThreadState& info = wxPyTStates->Item(i);
+        if (info.tid == ctid) {
+            tstate = &info;
+            break;
+        }
     }
-
-    return wxPyConstructObject(ptr, className, classobj, setThisOwn);
+    wxPyTMutex->Unlock();
+    wxASSERT_MSG(tstate, wxT("PyThreadState should not be NULL!"));
+    return tstate;
 }
 
-//---------------------------------------------------------------------------
 
-static PyThreadState* myPyThreadState_Get() {
-    PyThreadState* current;
-    current = PyThreadState_Swap(NULL);
-    PyThreadState_Swap(current);
-    return current;
-}
+static
+void wxPySaveThreadState(PyThreadState* tstate) {
+    if (wxPyTMutex == NULL) { // Python is shutting down, assume a single thread...
+        gs_shutdownTState.tstate = tstate;
+        return;
+    }
+    unsigned long ctid = wxPyGetCurrentThreadId();
+    wxPyTMutex->Lock();
+    for(size_t i=0; i < wxPyTStates->GetCount(); i++) {
+        wxPyThreadState& info = wxPyTStates->Item(i);
+        if (info.tid == ctid) {
+#if 0
+            if (info.tstate != tstate)
+                wxLogMessage("*** tstate mismatch!???");
+#endif
+            info.tstate = tstate;    // allow for transient tstates
+            // Normally it will never change, but apparently COM callbacks
+            // (i.e. ActiveX controls) will (incorrectly IMHO) use a transient
+            // tstate which will then be garbage the next time we try to use
+            // it...
+
+            wxPyTMutex->Unlock();
+            return;
+        }
+    }
+    // not found, so add it...
+    wxPyTStates->Add(new wxPyThreadState(ctid, tstate));
+    wxPyTMutex->Unlock();
+}
+
+#endif
+#endif
+
 
 
-bool wxPyRestoreThread() {
-    // 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 this code as a guard condition since there are
-    // many possibilites for nested events and callbacks in wxPython.  If
-    // The current thread is our thread, then we can assume that we
-    // already have the lock.  (I hope!)
-    //
+// Calls from Python to wxWindows code are wrapped in calls to these
+// functions:
+
+PyThreadState* wxPyBeginAllowThreads() {
 #ifdef WXP_WITH_THREAD
-    if (wxPyEventThreadState != myPyThreadState_Get()) {
-        PyEval_AcquireThread(wxPyEventThreadState);
-        return TRUE;
-    }
-    else
+    PyThreadState* saved = PyEval_SaveThread();  // Py_BEGIN_ALLOW_THREADS;
+#if !wxPyUSE_GIL_STATE
+    wxPySaveThreadState(saved);
+#endif
+    return saved;
+#else
+    return NULL;
+#endif
+}
+
+void wxPyEndAllowThreads(PyThreadState* saved) {
+#ifdef WXP_WITH_THREAD
+    PyEval_RestoreThread(saved);   // Py_END_ALLOW_THREADS;
+#endif
+}
+
+
+
+// Calls from wxWindows back to Python code, or even any PyObject
+// manipulations, PyDECREF's and etc. are wrapped in calls to these functions:
+
+wxPyBlock_t wxPyBeginBlockThreads() {
+#ifdef WXP_WITH_THREAD
+    if (! Py_IsInitialized()) {
+        return (wxPyBlock_t)0;
+    }
+#if wxPyUSE_GIL_STATE
+    PyGILState_STATE state = PyGILState_Ensure();
+    return state;
+#else
+    PyThreadState *current = _PyThreadState_Current;
+
+    // Only block if there wasn't already a tstate, or if the current one is
+    // not the one we are wanting to change to.  This should prevent deadlock
+    // if there are nested calls to wxPyBeginBlockThreads
+    wxPyBlock_t blocked = false;
+    wxPyThreadState* tstate = wxPyGetThreadState();
+    if (current != tstate->tstate) {
+        PyEval_RestoreThread(tstate->tstate);
+        blocked = true;
+    }
+    return blocked;
+#endif
+#else
+    return (wxPyBlock_t)0;
 #endif
-        return FALSE;
 }
 
 
-void wxPySaveThread(bool doSave) {
+void wxPyEndBlockThreads(wxPyBlock_t blocked) {
 #ifdef WXP_WITH_THREAD
-    if (doSave) {
-        PyEval_ReleaseThread(wxPyEventThreadState);
+    if (! Py_IsInitialized()) {
+        return;
+    }            
+#if wxPyUSE_GIL_STATE
+    PyGILState_Release(blocked);
+#else
+    // Only unblock if we blocked in the last call to wxPyBeginBlockThreads.
+    // The value of blocked passed in needs to be the same as that returned
+    // from wxPyBeginBlockThreads at the same nesting level.
+    if ( blocked ) {
+        PyEval_SaveThread();
     }
 #endif
+#endif
 }
 
+
 //---------------------------------------------------------------------------
+// wxPyInputStream and wxPyCBInputStream methods
+
+
+void wxPyInputStream::close() {
+    /* do nothing for now */
+}
+
+void wxPyInputStream::flush() {
+    /* do nothing for now */
+}
+
+bool wxPyInputStream::eof() {
+    if (m_wxis)
+        return m_wxis->Eof();
+    else
+        return true;
+}
+
+wxPyInputStream::~wxPyInputStream() {
+    if (m_wxis)
+        delete m_wxis;
+}
+
+
+
+
+PyObject* wxPyInputStream::read(int size) {
+    PyObject* obj = NULL;
+    wxMemoryBuffer buf;
+    const int BUFSIZE = 1024;
+
+    // check if we have a real wxInputStream to work with
+    if (!m_wxis) {
+        wxPyBlock_t blocked = wxPyBeginBlockThreads();
+        PyErr_SetString(PyExc_IOError, "no valid C-wxInputStream");
+        wxPyEndBlockThreads(blocked);
+        return NULL;
+    }
+
+    if (size < 0) {
+        // read while bytes are available on the stream
+        while ( m_wxis->CanRead() ) {
+            m_wxis->Read(buf.GetAppendBuf(BUFSIZE), BUFSIZE);
+            buf.UngetAppendBuf(m_wxis->LastRead());
+        }
+
+    } else {  // Read only size number of characters
+        m_wxis->Read(buf.GetWriteBuf(size), size);
+        buf.UngetWriteBuf(m_wxis->LastRead());
+    }
+
+    // error check
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    wxStreamError err = m_wxis->GetLastError();
+    if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
+        PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
+    }
+    else {
+        // We use only strings for the streams, not unicode
+        obj = PyString_FromStringAndSize(buf, buf.GetDataLen());
+    }
+    wxPyEndBlockThreads(blocked);
+    return obj;
+}
+
+
+PyObject* wxPyInputStream::readline(int size) {
+    PyObject* obj = NULL;
+    wxMemoryBuffer buf;
+    int i;
+    char ch;
+
+    // check if we have a real wxInputStream to work with
+    if (!m_wxis) {
+        wxPyBlock_t blocked = wxPyBeginBlockThreads();
+        PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream");
+        wxPyEndBlockThreads(blocked);
+        return NULL;
+    }
+
+    // read until \n or byte limit reached
+    for (i=ch=0; (ch != '\n') && (m_wxis->CanRead()) && ((size < 0) || (i < size)); i++) {
+        ch = m_wxis->GetC();
+        buf.AppendByte(ch);
+    }
+
+    // errorcheck
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    wxStreamError err = m_wxis->GetLastError();
+    if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
+        PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
+    }
+    else {
+        // We use only strings for the streams, not unicode
+        obj = PyString_FromStringAndSize((char*)buf.GetData(), buf.GetDataLen());
+    }
+    wxPyEndBlockThreads(blocked);
+    return obj;
+}
+
+
+PyObject* wxPyInputStream::readlines(int sizehint) {
+    PyObject* pylist;
+
+    // check if we have a real wxInputStream to work with
+    if (!m_wxis) {
+        wxPyBlock_t blocked = wxPyBeginBlockThreads();
+        PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream");
+        wxPyEndBlockThreads(blocked);
+        return NULL;
+    }
+
+    // init list
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    pylist = PyList_New(0);
+    wxPyEndBlockThreads(blocked);
+
+    if (!pylist) {
+        wxPyBlock_t blocked = wxPyBeginBlockThreads();
+        PyErr_NoMemory();
+        wxPyEndBlockThreads(blocked);
+        return NULL;
+    }
+
+    // read sizehint bytes or until EOF
+    int i;
+    for (i=0; (m_wxis->CanRead()) && ((sizehint < 0) || (i < sizehint));) {
+        PyObject* s = this->readline();
+        if (s == NULL) {
+            wxPyBlock_t blocked = wxPyBeginBlockThreads();
+            Py_DECREF(pylist);
+            wxPyEndBlockThreads(blocked);
+            return NULL;
+        }
+        wxPyBlock_t blocked = wxPyBeginBlockThreads();
+        PyList_Append(pylist, s);
+        i += PyString_Size(s);
+        wxPyEndBlockThreads(blocked);
+    }
+
+    // error check
+    wxStreamError err = m_wxis->GetLastError();
+    if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
+        wxPyBlock_t blocked = wxPyBeginBlockThreads();
+        Py_DECREF(pylist);
+        PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
+        wxPyEndBlockThreads(blocked);
+        return NULL;
+    }
+
+    return pylist;
+}
+
+
+void wxPyInputStream::seek(int offset, int whence) {
+    if (m_wxis)
+        m_wxis->SeekI(offset, wxSeekMode(whence));
+}
+
+int wxPyInputStream::tell(){
+    if (m_wxis)
+        return m_wxis->TellI();
+    else return 0;
+}
+
+
+
+
+wxPyCBInputStream::wxPyCBInputStream(PyObject *r, PyObject *s, PyObject *t, bool block)
+    : wxInputStream(), m_read(r), m_seek(s), m_tell(t), m_block(block)
+{}
+
+wxPyCBInputStream::wxPyCBInputStream(const wxPyCBInputStream& other)
+{
+    m_read  = other.m_read;
+    m_seek  = other.m_seek;
+    m_tell  = other.m_tell;
+    m_block = other.m_block;
+    Py_INCREF(m_read);
+    Py_INCREF(m_seek);
+    Py_INCREF(m_tell);
+}
+
+
+wxPyCBInputStream::~wxPyCBInputStream() {
+    wxPyBlock_t blocked = wxPyBlock_t_default;
+    if (m_block) blocked = wxPyBeginBlockThreads();
+    Py_XDECREF(m_read);
+    Py_XDECREF(m_seek);
+    Py_XDECREF(m_tell);
+    if (m_block) wxPyEndBlockThreads(blocked);
+}
+
+
+wxPyCBInputStream* wxPyCBInputStream::create(PyObject *py, bool block) {
+    wxPyBlock_t blocked = wxPyBlock_t_default;
+    if (block) blocked = wxPyBeginBlockThreads();
+
+    PyObject* read = getMethod(py, "read");
+    PyObject* seek = getMethod(py, "seek");
+    PyObject* tell = getMethod(py, "tell");
+
+    if (!read) {
+        PyErr_SetString(PyExc_TypeError, "Not a file-like object");
+        Py_XDECREF(read);
+        Py_XDECREF(seek);
+        Py_XDECREF(tell);
+        if (block) wxPyEndBlockThreads(blocked);
+        return NULL;
+    }
+
+    if (block) wxPyEndBlockThreads(blocked);
+    return new wxPyCBInputStream(read, seek, tell, block);
+}
+
+
+wxPyCBInputStream* wxPyCBInputStream_create(PyObject *py, bool block) {
+    return wxPyCBInputStream::create(py, block);
+}
+
+wxPyCBInputStream* wxPyCBInputStream_copy(wxPyCBInputStream* other) {
+    return new wxPyCBInputStream(*other);
+}
+
+PyObject* wxPyCBInputStream::getMethod(PyObject* py, char* name) {
+    if (!PyObject_HasAttrString(py, name))
+        return NULL;
+    PyObject* o = PyObject_GetAttrString(py, name);
+    if (!PyMethod_Check(o) && !PyCFunction_Check(o)) {
+        Py_DECREF(o);
+        return NULL;
+    }
+    return o;
+}
+
+
+wxFileOffset wxPyCBInputStream::GetLength() const {
+    wxPyCBInputStream* self = (wxPyCBInputStream*)this; // cast off const
+    if (m_seek && m_tell) {
+        wxFileOffset temp = self->OnSysTell();
+        wxFileOffset ret = self->OnSysSeek(0, wxFromEnd);
+        self->OnSysSeek(temp, wxFromStart);
+        return ret;
+    }
+    else
+        return wxInvalidOffset;
+}
+
+
+size_t wxPyCBInputStream::OnSysRead(void *buffer, size_t bufsize) {
+    if (bufsize == 0)
+        return 0;
 
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    PyObject* arglist = Py_BuildValue("(i)", bufsize);
+    PyObject* result = PyEval_CallObject(m_read, arglist);
+    Py_DECREF(arglist);
+
+    size_t o = 0;
+    if ((result != NULL) && PyString_Check(result)) {
+        o = PyString_Size(result);
+        if (o == 0)
+            m_lasterror = wxSTREAM_EOF;
+        if (o > bufsize)
+            o = bufsize;
+        memcpy((char*)buffer, PyString_AsString(result), o);  // strings only, not unicode...
+        Py_DECREF(result);
+
+    }
+    else
+        m_lasterror = wxSTREAM_READ_ERROR;
+    wxPyEndBlockThreads(blocked);
+    return o;
+}
+
+size_t wxPyCBInputStream::OnSysWrite(const void *buffer, size_t bufsize) {
+    m_lasterror = wxSTREAM_WRITE_ERROR;
+    return 0;
+}
+
+
+wxFileOffset wxPyCBInputStream::OnSysSeek(wxFileOffset off, wxSeekMode mode) {
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    PyObject* arglist = PyTuple_New(2);
+
+    if (sizeof(wxFileOffset) > sizeof(long))
+        // wxFileOffset is a 64-bit value...
+        PyTuple_SET_ITEM(arglist, 0, PyLong_FromLongLong(off));
+    else
+        PyTuple_SET_ITEM(arglist, 0, PyInt_FromLong(off));
+
+    PyTuple_SET_ITEM(arglist, 1, PyInt_FromLong(mode));
+
+
+    PyObject* result = PyEval_CallObject(m_seek, arglist);
+    Py_DECREF(arglist);
+    Py_XDECREF(result);
+    wxPyEndBlockThreads(blocked);
+    return OnSysTell();
+}
+
+
+wxFileOffset wxPyCBInputStream::OnSysTell() const {
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    PyObject* arglist = Py_BuildValue("()");
+    PyObject* result = PyEval_CallObject(m_tell, arglist);
+    Py_DECREF(arglist);
+    wxFileOffset o = 0;
+    if (result != NULL) {
+        if (PyLong_Check(result))
+            o = PyLong_AsLongLong(result);
+        else
+            o = PyInt_AsLong(result);
+        Py_DECREF(result);
+    };
+    wxPyEndBlockThreads(blocked);
+    return o;
+}
+
+//----------------------------------------------------------------------
 
 IMPLEMENT_ABSTRACT_CLASS(wxPyCallback, wxObject);
 
@@ -425,12 +1421,14 @@ wxPyCallback::wxPyCallback(const wxPyCallback& other) {
 }
 
 wxPyCallback::~wxPyCallback() {
-    bool doSave = wxPyRestoreThread();
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
     Py_DECREF(m_func);
-    wxPySaveThread(doSave);
+    wxPyEndBlockThreads(blocked);
 }
 
 
+#define wxPy_PRECALLINIT     "_preCallInit"
+#define wxPy_POSTCALLCLEANUP "_postCallCleanup"
 
 // This function is used for all events destined for Python event handlers.
 void wxPyCallback::EventThunker(wxEvent& event) {
@@ -439,29 +1437,84 @@ void wxPyCallback::EventThunker(wxEvent& event) {
     PyObject*       result;
     PyObject*       arg;
     PyObject*       tuple;
+    bool            checkSkip = false;
 
-
-    bool doSave = wxPyRestoreThread();
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
     wxString className = event.GetClassInfo()->GetClassName();
 
-    if (className == "wxPyEvent")
-        arg = ((wxPyEvent*)&event)->GetSelf();
-    else if (className == "wxPyCommandEvent")
-        arg = ((wxPyCommandEvent*)&event)->GetSelf();
-    else
+    // If the event is one of these types then pass the original
+    // event object instead of the one passed to us.
+    if ( className == wxT("wxPyEvent") ) {
+        arg =       ((wxPyEvent*)&event)->GetSelf();
+        checkSkip = ((wxPyEvent*)&event)->GetCloned();
+    }
+    else if ( className == wxT("wxPyCommandEvent") ) {
+        arg =       ((wxPyCommandEvent*)&event)->GetSelf();
+        checkSkip = ((wxPyCommandEvent*)&event)->GetCloned();
+    }
+    else {
         arg = wxPyConstructObject((void*)&event, className);
+    }
 
-    tuple = PyTuple_New(1);
-    PyTuple_SET_ITEM(tuple, 0, arg);
-    result = PyEval_CallObject(func, tuple);
-    Py_DECREF(tuple);
-    if (result) {
-        Py_DECREF(result);
-        PyErr_Clear();
-    } else {
+    if (!arg) {
         PyErr_Print();
+    } else {
+        // "intern" the pre/post method names to speed up the HasAttr
+        static PyObject* s_preName  = NULL;
+        static PyObject* s_postName = NULL;
+        if (s_preName == NULL) {
+            s_preName  = PyString_FromString(wxPy_PRECALLINIT);
+            s_postName = PyString_FromString(wxPy_POSTCALLCLEANUP);
+        }
+
+        // Check if the event object needs some preinitialization
+        if (PyObject_HasAttr(arg, s_preName)) {
+            result = PyObject_CallMethodObjArgs(arg, s_preName, arg, NULL);
+            if ( result ) {
+                Py_DECREF(result);   // result is ignored, but we still need to decref it
+                PyErr_Clear();       // Just in case...
+            } else {
+                PyErr_Print();
+            }
+        }
+
+        // Call the event handler, passing the event object
+        tuple = PyTuple_New(1);
+        PyTuple_SET_ITEM(tuple, 0, arg);  // steals ref to arg
+        result = PyEval_CallObject(func, tuple);
+        if ( result ) {
+            Py_DECREF(result);   // result is ignored, but we still need to decref it
+            PyErr_Clear();       // Just in case...
+        } else {
+            PyErr_Print();
+        }
+
+        // Check if the event object needs some post cleanup
+        if (PyObject_HasAttr(arg, s_postName)) {
+            result = PyObject_CallMethodObjArgs(arg, s_postName, arg, NULL);
+            if ( result ) {
+                Py_DECREF(result);   // result is ignored, but we still need to decref it
+                PyErr_Clear();       // Just in case...
+            } else {
+                PyErr_Print();
+            }
+        }
+
+        if ( checkSkip ) {
+            // if the event object was one of our special types and
+            // it had been cloned, then we need to extract the Skipped
+            // value from the original and set it in the clone.
+            result = PyObject_CallMethod(arg, "GetSkipped", "");
+            if ( result ) {
+                event.Skip(PyInt_AsLong(result));
+                Py_DECREF(result);
+            } else {
+                PyErr_Print();
+            }
+        }
+        Py_DECREF(tuple);
     }
-    wxPySaveThread(doSave);
+    wxPyEndBlockThreads(blocked);
 }
 
 
@@ -489,33 +1542,150 @@ void wxPyCallbackHelper::setSelf(PyObject* self, PyObject* klass, int incref) {
 }
 
 
-// If the object (m_self) has an attibute of the given name, and if that
-// attribute is a method, and if that method's class is not from a base class,
-// then we'll save a pointer to the method so callCallback can call it.
-bool wxPyCallbackHelper::findCallback(const char* name) const {
+#if PYTHON_API_VERSION >= 1011
+
+// Prior to Python 2.2 PyMethod_GetClass returned the class object
+// in which the method was defined.  Starting with 2.2 it returns
+// "class that asked for the method" which seems totally bogus to me
+// but apprently it fixes some obscure problem waiting to happen in
+// Python.  Since the API was not documented Guido and the gang felt
+// safe in changing it.  Needless to say that totally screwed up the
+// logic below in wxPyCallbackHelper::findCallback, hence this icky
+// code to find the class where the method is actually defined...
+
+static
+PyObject* PyFindClassWithAttr(PyObject *klass, PyObject *name)
+{
+    int i, n;
+
+    if (PyType_Check(klass)) {      // new style classes
+        // This code is borrowed/adapted from _PyType_Lookup in typeobject.c
+        PyTypeObject* type = (PyTypeObject*)klass;
+        PyObject *mro, *res, *base, *dict;
+        /* Look in tp_dict of types in MRO */
+        mro = type->tp_mro;
+        assert(PyTuple_Check(mro));
+        n = PyTuple_GET_SIZE(mro);
+        for (i = 0; i < n; i++) {
+            base = PyTuple_GET_ITEM(mro, i);
+            if (PyClass_Check(base))
+                dict = ((PyClassObject *)base)->cl_dict;
+            else {
+                assert(PyType_Check(base));
+                dict = ((PyTypeObject *)base)->tp_dict;
+            }
+            assert(dict && PyDict_Check(dict));
+            res = PyDict_GetItem(dict, name);
+            if (res != NULL)
+                return base;
+        }
+        return NULL;
+    }
+
+    else if (PyClass_Check(klass)) { // old style classes
+        // This code is borrowed/adapted from class_lookup in classobject.c
+        PyClassObject* cp = (PyClassObject*)klass;
+        PyObject *value = PyDict_GetItem(cp->cl_dict, name);
+        if (value != NULL) {
+            return (PyObject*)cp;
+        }
+        n = PyTuple_Size(cp->cl_bases);
+        for (i = 0; i < n; i++) {
+            PyObject* base = PyTuple_GetItem(cp->cl_bases, i);
+            PyObject *v = PyFindClassWithAttr(base, name);
+            if (v != NULL)
+                return v;
+        }
+        return NULL;
+    }
+    return NULL;
+}
+#endif
+
+
+static
+PyObject* PyMethod_GetDefiningClass(PyObject* method, PyObject* nameo)
+{
+    PyObject* mgc = PyMethod_GET_CLASS(method);
+
+#if PYTHON_API_VERSION <= 1010    // prior to Python 2.2, the easy way
+    return mgc;
+#else                             // 2.2 and after, the hard way...
+    return PyFindClassWithAttr(mgc, nameo);
+#endif
+}
+
+
+
+// To avoid recursion when an overridden virtual method wants to call the base
+// class version, temporarily set an attribute in the instance with the same
+// name as the method.  Then the PyObject_GetAttr in the next findCallback
+// will return this attribute and the PyMethod_Check will fail.
+
+void wxPyCallbackHelper::setRecursionGuard(PyObject* method) const
+{
+    PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method);
+    PyObject_SetAttr(m_self, func->func_name, Py_None);
+}
+
+void wxPyCallbackHelper::clearRecursionGuard(PyObject* method) const
+{
+    PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method);
+    if (PyObject_HasAttr(m_self, func->func_name)) {
+        PyObject_DelAttr(m_self, func->func_name);
+    }
+}
+
+// bool wxPyCallbackHelper::hasRecursionGuard(PyObject* method) const
+// {
+//     PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method);
+//     if (PyObject_HasAttr(m_self, func->func_name)) {
+//         PyObject* attr = PyObject_GetAttr(m_self, func->func_name);
+//         bool retval = (attr == Py_None);
+//         Py_DECREF(attr);
+//         return retval;
+//     }
+//     return false;
+// }
+
+
+bool wxPyCallbackHelper::findCallback(const char* name, bool setGuard) const {
     wxPyCallbackHelper* self = (wxPyCallbackHelper*)this; // cast away const
+    PyObject *method, *klass;
+    PyObject* nameo = PyString_FromString(name);
     self->m_lastFound = NULL;
-    if (m_self && PyObject_HasAttrString(m_self, (char*)name)) {
-        PyObject* method;
-        method = PyObject_GetAttrString(m_self, (char*)name);
 
-        if (PyMethod_Check(method) &&
-            ((PyMethod_GET_CLASS(method) == m_class) ||
-             PyClass_IsSubclass(PyMethod_GET_CLASS(method), m_class))) {
+    // If the object (m_self) has an attibute of the given name...
+    if (m_self && PyObject_HasAttr(m_self, nameo)) {
+        method = PyObject_GetAttr(m_self, nameo);
 
+        // ...and if that attribute is a method, and if that method's class is
+        // not from the registered class or a base class...
+        if (PyMethod_Check(method) &&
+            (klass = PyMethod_GetDefiningClass(method, nameo)) != NULL &&
+            (klass != m_class) &&
+            PyObject_IsSubclass(klass, m_class)) {
+
+            // ...then we'll save a pointer to the method so callCallback can
+            // call it.  But first, set a recursion guard in case the
+            // overridden method wants to call the base class version.
+            if (setGuard)
+                setRecursionGuard(method);
             self->m_lastFound = method;
         }
         else {
             Py_DECREF(method);
         }
     }
+    
+    Py_DECREF(nameo);
     return m_lastFound != NULL;
 }
 
 
 int wxPyCallbackHelper::callCallback(PyObject* argTuple) const {
     PyObject*   result;
-    int         retval = FALSE;
+    int         retval = false;
 
     result = callCallbackObj(argTuple);
     if (result) {                       // Assumes an integer return type...
@@ -527,7 +1697,7 @@ int wxPyCallbackHelper::callCallback(PyObject* argTuple) const {
 }
 
 // Invoke the Python callable object, returning the raw PyObject return
-// value.  Caller should DECREF the return value and also call PyEval_SaveThread.
+// value.  Caller should DECREF the return value and also manage the GIL.
 PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) const {
     PyObject* result;
 
@@ -537,6 +1707,8 @@ PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) const {
     PyObject* method = m_lastFound;
 
     result = PyEval_CallObject(method, argTuple);
+    clearRecursionGuard(method);
+    
     Py_DECREF(argTuple);
     Py_DECREF(method);
     if (!result) {
@@ -546,12 +1718,12 @@ PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) const {
 }
 
 
-void wxPyCBH_setSelf(wxPyCallbackHelper& cbh, PyObject* self, PyObject* klass, int incref) {
+void wxPyCBH_setCallbackInfo(wxPyCallbackHelper& cbh, PyObject* self, PyObject* klass, int incref) {
     cbh.setSelf(self, klass, incref);
 }
 
-bool wxPyCBH_findCallback(const wxPyCallbackHelper& cbh, const char* name) {
-    return cbh.findCallback(name);
+bool wxPyCBH_findCallback(const wxPyCallbackHelper& cbh, const char* name, bool setGuard) {
+    return cbh.findCallback(name, setGuard);
 }
 
 int  wxPyCBH_callCallback(const wxPyCallbackHelper& cbh, PyObject* argTuple) {
@@ -564,17 +1736,17 @@ PyObject* wxPyCBH_callCallbackObj(const wxPyCallbackHelper& cbh, PyObject* argTu
 
 
 void wxPyCBH_delete(wxPyCallbackHelper* cbh) {
-    bool doSave = wxPyRestoreThread();
-    if (cbh->m_incRef) {
+    if (cbh->m_incRef && Py_IsInitialized()) {
+        wxPyBlock_t blocked = wxPyBeginBlockThreads();
         Py_XDECREF(cbh->m_self);
         Py_XDECREF(cbh->m_class);
+        wxPyEndBlockThreads(blocked);
     }
-    wxPySaveThread(doSave);
 }
 
 //---------------------------------------------------------------------------
 //---------------------------------------------------------------------------
-// These classes can be derived from in Python and passed through the event
+// These event classes can be derived from in Python and passed through the event
 // system without losing anything.  They do this by keeping a reference to
 // themselves and some special case handling in wxPyCallback::EventThunker.
 
@@ -582,26 +1754,26 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh) {
 wxPyEvtSelfRef::wxPyEvtSelfRef() {
     //m_self = Py_None;         // **** We don't do normal ref counting to prevent
     //Py_INCREF(m_self);        //      circular loops...
-    m_cloned = FALSE;
+    m_cloned = false;
 }
 
 wxPyEvtSelfRef::~wxPyEvtSelfRef() {
-    bool doSave = wxPyRestoreThread();
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
     if (m_cloned)
         Py_DECREF(m_self);
-    wxPySaveThread(doSave);
+    wxPyEndBlockThreads(blocked);
 }
 
 void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) {
-    bool doSave = wxPyRestoreThread();
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
     if (m_cloned)
         Py_DECREF(m_self);
     m_self = self;
     if (clone) {
         Py_INCREF(m_self);
-        m_cloned = TRUE;
+        m_cloned = true;
     }
-    wxPySaveThread(doSave);
+    wxPyEndBlockThreads(blocked);
 }
 
 PyObject* wxPyEvtSelfRef::GetSelf() const {
@@ -610,135 +1782,215 @@ PyObject* wxPyEvtSelfRef::GetSelf() const {
 }
 
 
-wxPyEvent::wxPyEvent(int id)
-    : wxEvent(id) {
-}
+IMPLEMENT_ABSTRACT_CLASS(wxPyEvent, wxEvent);
+IMPLEMENT_ABSTRACT_CLASS(wxPyCommandEvent, wxCommandEvent);
 
-wxPyEvent::~wxPyEvent() {
+
+wxPyEvent::wxPyEvent(int winid, wxEventType commandType)
+    : wxEvent(winid, commandType) {
 }
 
-// This one is so the event object can be Cloned...
-void wxPyEvent::CopyObject(wxObject& dest) const {
-    wxEvent::CopyObject(dest);
-    ((wxPyEvent*)&dest)->SetSelf(m_self, TRUE);
+
+wxPyEvent::wxPyEvent(const wxPyEvent& evt)
+    : wxEvent(evt)
+{
+    SetSelf(evt.m_self, true);
 }
 
 
-IMPLEMENT_DYNAMIC_CLASS(wxPyEvent, wxEvent);
+wxPyEvent::~wxPyEvent() {
+}
 
 
 wxPyCommandEvent::wxPyCommandEvent(wxEventType commandType, int id)
     : wxCommandEvent(commandType, id) {
 }
 
-wxPyCommandEvent::~wxPyCommandEvent() {
-}
 
-void wxPyCommandEvent::CopyObject(wxObject& dest) const {
-    wxCommandEvent::CopyObject(dest);
-    ((wxPyCommandEvent*)&dest)->SetSelf(m_self, TRUE);
+wxPyCommandEvent::wxPyCommandEvent(const wxPyCommandEvent& evt)
+    : wxCommandEvent(evt)
+{
+    SetSelf(evt.m_self, true);
 }
 
 
-IMPLEMENT_DYNAMIC_CLASS(wxPyCommandEvent, wxCommandEvent);
-
-
-
-//---------------------------------------------------------------------------
-//---------------------------------------------------------------------------
-
-
-wxPyTimer::wxPyTimer(PyObject* callback) {
-    func = callback;
-    Py_INCREF(func);
-}
-
-wxPyTimer::~wxPyTimer() {
-    bool doSave = wxPyRestoreThread();
-    Py_DECREF(func);
-    wxPySaveThread(doSave);
+wxPyCommandEvent::~wxPyCommandEvent() {
 }
 
-void wxPyTimer::Notify() {
-    if (!func || func == Py_None) {
-        wxTimer::Notify();
-    }
-    else {
-        bool doSave = wxPyRestoreThread();
-
-        PyObject*   result;
-        PyObject*   args = Py_BuildValue("()");
-
-        result = PyEval_CallObject(func, args);
-        Py_DECREF(args);
-        if (result) {
-            Py_DECREF(result);
-            PyErr_Clear();
-        } else {
-            PyErr_Print();
-        }
 
-        wxPySaveThread(doSave);
-    }
-}
 
 
 
 //---------------------------------------------------------------------------
 //---------------------------------------------------------------------------
-// Convert a wxList to a Python List
+// Convert a wxList to a Python List, only works for lists of wxObjects
 
-PyObject* wxPy_ConvertList(wxListBase* list, const char* className) {
+PyObject* wxPy_ConvertList(wxListBase* listbase) {
+    wxList*     list = (wxList*)listbase;  // this is probably bad...
     PyObject*   pyList;
     PyObject*   pyObj;
     wxObject*   wxObj;
-    wxNode*     node = list->First();
+    wxNode*     node = list->GetFirst();
 
-    bool doSave = wxPyRestoreThread();
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
     pyList = PyList_New(0);
     while (node) {
-        wxObj = node->Data();
-        pyObj = wxPyMake_wxObject(wxObj); //wxPyConstructObject(wxObj, className);
+        wxObj = node->GetData();
+        pyObj = wxPyMake_wxObject(wxObj,false);
         PyList_Append(pyList, pyObj);
-        node = node->Next();
+        Py_DECREF(pyObj);  // the Append also does an INCREF, that's one more than we need.
+        node = node->GetNext();
     }
-    wxPySaveThread(doSave);
+    wxPyEndBlockThreads(blocked);
     return pyList;
 }
 
 //----------------------------------------------------------------------
 
 long wxPyGetWinHandle(wxWindow* win) {
+
 #ifdef __WXMSW__
     return (long)win->GetHandle();
 #endif
 
-    // Find and return the actual X-Window.
-#ifdef __WXGTK__
-    if (win->m_wxwindow) {
-        GdkWindowPrivate* bwin = (GdkWindowPrivate*)GTK_PIZZA(win->m_wxwindow)->bin_window;
-        if (bwin) {
-            return (long)bwin->xwindow;
-        }
-    }
+#if defined(__WXGTK__) || defined(__WXX11)
+    return (long)GetXWindow(win);
+#endif
+
+#ifdef __WXMAC__
+    //return (long)MAC_WXHWND(win->MacGetTopLevelWindowRef());
+    return (long)win->GetHandle();
 #endif
+
     return 0;
 }
 
 //----------------------------------------------------------------------
 // Some helper functions for typemaps in my_typemaps.i, so they won't be
-// included in every file...
+// included in every file over and over again...
 
+wxString* wxString_in_helper(PyObject* source) {
+    wxString* target = NULL;
 
-byte* byte_LIST_helper(PyObject* source) {
-    if (!PyList_Check(source)) {
-        PyErr_SetString(PyExc_TypeError, "Expected a list object.");
+    if (!PyString_Check(source) && !PyUnicode_Check(source)) {
+        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
         return NULL;
     }
-    int count = PyList_Size(source);
-    byte* temp = new byte[count];
-    if (! temp) {
-        PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
+#if wxUSE_UNICODE
+    PyObject* uni = source;
+    if (PyString_Check(source)) {
+        uni = PyUnicode_FromEncodedObject(source, wxPyDefaultEncoding, "strict");
+        if (PyErr_Occurred()) return NULL;
+    }
+    target = new wxString();
+    size_t len = PyUnicode_GET_SIZE(uni);
+    if (len) {
+        PyUnicode_AsWideChar((PyUnicodeObject*)uni, wxStringBuffer(*target, len), len);
+    }
+
+    if (PyString_Check(source))
+        Py_DECREF(uni);
+#else
+    // Convert to a string object if it isn't already, then to wxString
+    PyObject* str = source;
+    if (PyUnicode_Check(source)) {
+        str = PyUnicode_AsEncodedString(source, wxPyDefaultEncoding, "strict");
+        if (PyErr_Occurred()) return NULL;
+    }
+    else if (!PyString_Check(source)) {
+        str = PyObject_Str(source);
+        if (PyErr_Occurred()) return NULL;
+    }
+    char* tmpPtr; Py_ssize_t tmpSize;
+    PyString_AsStringAndSize(str, &tmpPtr, &tmpSize);
+    target = new wxString(tmpPtr, tmpSize);
+
+    if (!PyString_Check(source))
+        Py_DECREF(str);
+#endif // wxUSE_UNICODE
+
+    return target;
+}
+
+
+// Similar to above except doesn't use "new" and doesn't set an exception
+wxString Py2wxString(PyObject* source)
+{
+    wxString target;
+
+#if wxUSE_UNICODE
+    // Convert to a unicode object, if not already, then to a wxString
+    PyObject* uni = source;
+    if (!PyUnicode_Check(source)) {
+        uni = PyUnicode_FromEncodedObject(source, wxPyDefaultEncoding, "strict");
+        if (PyErr_Occurred()) return wxEmptyString;  // TODO:  should we PyErr_Clear?
+    }
+    size_t len = PyUnicode_GET_SIZE(uni);
+    if (len) {
+        PyUnicode_AsWideChar((PyUnicodeObject*)uni, wxStringBuffer(target, len), len);
+    }
+
+    if (!PyUnicode_Check(source))
+        Py_DECREF(uni);
+#else
+    // Convert to a string object if it isn't already, then to wxString
+    PyObject* str = source;
+    if (PyUnicode_Check(source)) {
+        str = PyUnicode_AsEncodedString(source, wxPyDefaultEncoding, "strict");
+        if (PyErr_Occurred()) return wxEmptyString;    // TODO:  should we PyErr_Clear?
+    }
+    else if (!PyString_Check(source)) {
+        str = PyObject_Str(source);
+        if (PyErr_Occurred()) return wxEmptyString;    // TODO:  should we PyErr_Clear?
+    }
+    char* tmpPtr; Py_ssize_t tmpSize;
+    PyString_AsStringAndSize(str, &tmpPtr, &tmpSize);
+    target = wxString(tmpPtr, tmpSize);
+
+    if (!PyString_Check(source))
+        Py_DECREF(str);
+#endif // wxUSE_UNICODE
+
+    return target;
+}
+
+
+// Make either a Python String or Unicode object, depending on build mode
+PyObject* wx2PyString(const wxString& src)
+{
+    PyObject* str;
+#if wxUSE_UNICODE
+    str = PyUnicode_FromWideChar(src.c_str(), src.Len());
+#else
+    str = PyString_FromStringAndSize(src.c_str(), src.Len());
+#endif
+    return str;
+}
+
+
+
+void wxSetDefaultPyEncoding(const char* encoding)
+{
+    strncpy(wxPyDefaultEncoding, encoding, DEFAULTENCODING_SIZE);
+}
+
+const char* wxGetDefaultPyEncoding()
+{
+    return wxPyDefaultEncoding;
+}
+
+//----------------------------------------------------------------------
+
+
+byte* byte_LIST_helper(PyObject* source) {
+    if (!PyList_Check(source)) {
+        PyErr_SetString(PyExc_TypeError, "Expected a list object.");
+        return NULL;
+    }
+    int count = PyList_Size(source);
+    byte* temp = new byte[count];
+    if (! temp) {
+        PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
         return NULL;
     }
     for (int x=0; x<count; x++) {
@@ -821,50 +2073,82 @@ char** string_LIST_helper(PyObject* source) {
     return temp;
 }
 
-//--------------------------------
-// Part of patch from Tim Hochberg
-static inline bool wxPointFromObjects(PyObject* o1, PyObject* o2, wxPoint* point) {
-    if (PyInt_Check(o1) && PyInt_Check(o2)) {
-        point->x = PyInt_AS_LONG(o1);
-        point->y = PyInt_AS_LONG(o2);
-        return true;
-    }
-    if (PyFloat_Check(o1) && PyFloat_Check(o2)) {
+//---------------------------------------------------------------------------
+// NOTE: The following functions could really use some refactoring using
+// templates to make things somewhat simpler...
+
+inline bool wxPointFromObjects(PyObject* o1, PyObject* o2, wxPoint* point)
+{
+    // get the x value
+    if (PyInt_Check(o1))
+        point->x = (int)PyInt_AS_LONG(o1);
+    else if (PyFloat_Check(o1))
         point->x = (int)PyFloat_AS_DOUBLE(o1);
+    else if (PyNumber_Check(o1))
+        point->x = (int)PyInt_AsLong(o1);
+    else
+        return false;
+
+    // get the y value
+    if (PyInt_Check(o2))
+        point->y = (int)PyInt_AS_LONG(o2);
+    else if (PyFloat_Check(o2))
         point->y = (int)PyFloat_AS_DOUBLE(o2);
-        return true;
-    }
-    if (PyInstance_Check(o1) || PyInstance_Check(o2)) {
-        // Disallow instances because they can cause havok
+    else if (PyNumber_Check(o2))
+        point->y = (int)PyInt_AsLong(o2);
+    else
         return false;
-    }
-    if (PyNumber_Check(o1) && PyNumber_Check(o2)) {
-        // I believe this excludes instances, so this should be safe without INCREFFing o1 and o2
-        point->x = PyInt_AsLong(o1);
-        point->y = PyInt_AsLong(o2);
-        return true;
-    }
-    return false;
+
+    return true;
+
+// NOTE: This function used to have this code in it, but I don't know why it
+// is a problem nor what havok it will cause, so removing for now...
+//     if (wxPySwigInstance_Check(o1) || wxPySwigInstance_Check(o2)) {  
+//         // Disallow instances because they can cause havok
+//         return false;
+//     }
 }
 
 
-#if PYTHON_API_VERSION < 1009
-#define PySequence_Fast_GET_ITEM(o, i)\
-     (PyList_Check(o) ? PyList_GET_ITEM(o, i) : PyTuple_GET_ITEM(o, i))
-#endif
+inline bool wxPoint2DFromObjects(PyObject* o1, PyObject* o2, wxPoint2D* point)
+{
+    // get the x value
+    if (PyInt_Check(o1))
+        point->m_x = (double)PyInt_AS_LONG(o1);
+    else if (PyFloat_Check(o1))
+        point->m_x = (double)PyFloat_AS_DOUBLE(o1);
+    else if (PyNumber_Check(o1))
+        point->m_x = (double)PyFloat_AsDouble(o1);
+    else
+        return false;
+
+    // get the y value
+    if (PyInt_Check(o2))
+        point->m_y = (double)PyInt_AS_LONG(o2);
+    else if (PyFloat_Check(o2))
+        point->m_y = (double)PyFloat_AS_DOUBLE(o2);
+    else if (PyNumber_Check(o2))
+        point->m_y = (double)PyFloat_AsDouble(o2);
+    else
+        return false;
+
+    return true;
+}
+
 
-wxPoint* wxPoint_LIST_helper(PyObject* source, int *count) {
-    // Putting all of the declarations here allows
-    // us to put the error handling all in one place.
-    int x;
+
+wxPoint* wxPoint_LIST_helper(PyObject* source, int *count)
+{
+    int idx;
     wxPoint* temp;
     PyObject *o, *o1, *o2;
-    int isFast = PyList_Check(source) || PyTuple_Check(source);
+    bool isFast = PyList_Check(source) || PyTuple_Check(source);
 
-    // The length of the sequence is returned in count.
     if (!PySequence_Check(source)) {
         goto error0;
     }
+
+    // The length of the sequence is returned in count.
     *count = PySequence_Length(source);
     if (*count < 0) {
         goto error0;
@@ -875,13 +2159,13 @@ wxPoint* wxPoint_LIST_helper(PyObject* source, int *count) {
         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
         return NULL;
     }
-    for (x=0; x<*count; x++) {
+    for (idx=0; idx<*count; idx++) {
         // Get an item: try fast way first.
         if (isFast) {
-            o = PySequence_Fast_GET_ITEM(source, x);
+            o = PySequence_Fast_GET_ITEM(source, idx);
         }
         else {
-            o = PySequence_GetItem(source, x);
+            o = PySequence_GetItem(source, idx);
             if (o == NULL) {
                 goto error1;
             }
@@ -892,21 +2176,21 @@ wxPoint* wxPoint_LIST_helper(PyObject* source, int *count) {
             (PyList_Check(o) && PyList_GET_SIZE(o) == 2)) {
             o1 = PySequence_Fast_GET_ITEM(o, 0);
             o2 = PySequence_Fast_GET_ITEM(o, 1);
-            if (!wxPointFromObjects(o1, o2, &temp[x])) {
+            if (!wxPointFromObjects(o1, o2, &temp[idx])) {
                 goto error2;
             }
         }
-        else if (PyInstance_Check(o)) {
+        else if (wxPySwigInstance_Check(o)) {
             wxPoint* pt;
-            if (SWIG_GetPtrObj(o, (void **)&pt, "_wxPoint_p")) {
+            if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPoint"))) {
                 goto error2;
             }
-            temp[x] = *pt;
+            temp[idx] = *pt;
         }
         else if (PySequence_Check(o) && PySequence_Length(o) == 2) {
             o1 = PySequence_GetItem(o, 0);
             o2 = PySequence_GetItem(o, 1);
-            if (!wxPointFromObjects(o1, o2, &temp[x])) {
+            if (!wxPointFromObjects(o1, o2, &temp[idx])) {
                 goto error3;
             }
             Py_DECREF(o1);
@@ -928,13 +2212,96 @@ error2:
     if (!isFast)
         Py_DECREF(o);
 error1:
-    delete temp;
+    delete [] temp;
 error0:
     PyErr_SetString(PyExc_TypeError, "Expected a sequence of length-2 sequences or wxPoints.");
     return NULL;
 }
-// end of patch
-//------------------------------
+
+
+
+wxPoint2D* wxPoint2D_LIST_helper(PyObject* source, size_t *count)
+{
+    size_t idx;
+    wxPoint2D* temp;
+    PyObject *o, *o1, *o2;
+    bool isFast = PyList_Check(source) || PyTuple_Check(source);
+
+    if (!PySequence_Check(source)) {
+        goto error0;
+    }
+
+    // The length of the sequence is returned in count.
+    *count = PySequence_Length(source);
+    if (*count < 0) {
+        goto error0;
+    }
+
+    temp = new wxPoint2D[*count];
+    if (!temp) {
+        PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
+        return NULL;
+    }
+    for (idx=0; idx<*count; idx++) {
+        // Get an item: try fast way first.
+        if (isFast) {
+            o = PySequence_Fast_GET_ITEM(source, idx);
+        }
+        else {
+            o = PySequence_GetItem(source, idx);
+            if (o == NULL) {
+                goto error1;
+            }
+        }
+
+        // Convert o to wxPoint.
+        if ((PyTuple_Check(o) && PyTuple_GET_SIZE(o) == 2) ||
+            (PyList_Check(o) && PyList_GET_SIZE(o) == 2)) {
+            o1 = PySequence_Fast_GET_ITEM(o, 0);
+            o2 = PySequence_Fast_GET_ITEM(o, 1);
+            if (!wxPoint2DFromObjects(o1, o2, &temp[idx])) {
+                goto error2;
+            }
+        }
+        else if (wxPySwigInstance_Check(o)) {
+            wxPoint2D* pt;
+            if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPoint2D"))) {
+                goto error2;
+            }
+            temp[idx] = *pt;
+        }
+        else if (PySequence_Check(o) && PySequence_Length(o) == 2) {
+            o1 = PySequence_GetItem(o, 0);
+            o2 = PySequence_GetItem(o, 1);
+            if (!wxPoint2DFromObjects(o1, o2, &temp[idx])) {
+                goto error3;
+            }
+            Py_DECREF(o1);
+            Py_DECREF(o2);
+        }
+        else {
+            goto error2;
+        }
+        // Clean up.
+        if (!isFast)
+            Py_DECREF(o);
+    }
+    return temp;
+
+error3:
+    Py_DECREF(o1);
+    Py_DECREF(o2);
+error2:
+    if (!isFast)
+        Py_DECREF(o);
+error1:
+    delete [] temp;
+error0:
+    PyErr_SetString(PyExc_TypeError, "Expected a sequence of length-2 sequences or wxPoint2Ds.");
+    return NULL;
+}
+   
+//---------------------------------------------------------------------------
 
 
 wxBitmap** wxBitmap_LIST_helper(PyObject* source) {
@@ -950,10 +2317,10 @@ wxBitmap** wxBitmap_LIST_helper(PyObject* source) {
     }
     for (int x=0; x<count; x++) {
         PyObject* o = PyList_GetItem(source, x);
-        if (PyInstance_Check(o)) {
+        if (wxPySwigInstance_Check(o)) {
             wxBitmap*    pt;
-            if (SWIG_GetPtrObj(o, (void **) &pt,"_wxBitmap_p")) {
-                PyErr_SetString(PyExc_TypeError,"Expected _wxBitmap_p.");
+            if (! wxPyConvertSwigPtr(o, (void **) &pt, wxT("wxBitmap"))) {
+                PyErr_SetString(PyExc_TypeError,"Expected wxBitmap.");
                 return NULL;
             }
             temp[x] = pt;
@@ -981,11 +2348,21 @@ wxString* wxString_LIST_helper(PyObject* source) {
     }
     for (int x=0; x<count; x++) {
         PyObject* o = PyList_GetItem(source, x);
+#if PYTHON_API_VERSION >= 1009
+        if (! PyString_Check(o) && ! PyUnicode_Check(o)) {
+            PyErr_SetString(PyExc_TypeError, "Expected a list of string or unicode objects.");
+            return NULL;
+        }
+#else
         if (! PyString_Check(o)) {
             PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
             return NULL;
         }
-        temp[x] = PyString_AsString(o);
+#endif
+
+        wxString* pStr = wxString_in_helper(o);
+        temp[x] = *pStr;
+        delete pStr;
     }
     return temp;
 }
@@ -1004,10 +2381,10 @@ wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
     }
     for (int x=0; x<count; x++) {
         PyObject* o = PyList_GetItem(source, x);
-        if (PyInstance_Check(o)) {
+        if (wxPySwigInstance_Check(o)) {
             wxAcceleratorEntry* ae;
-            if (SWIG_GetPtrObj(o, (void **) &ae,"_wxAcceleratorEntry_p")) {
-                PyErr_SetString(PyExc_TypeError,"Expected _wxAcceleratorEntry_p.");
+            if (! wxPyConvertSwigPtr(o, (void **) &ae, wxT("wxAcceleratorEntry"))) {
+                PyErr_SetString(PyExc_TypeError,"Expected wxAcceleratorEntry.");
                 return NULL;
             }
             temp[x] = *ae;
@@ -1016,10 +2393,7 @@ wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
             PyObject* o1 = PyTuple_GetItem(o, 0);
             PyObject* o2 = PyTuple_GetItem(o, 1);
             PyObject* o3 = PyTuple_GetItem(o, 2);
-
-            temp[x].m_flags   = PyInt_AsLong(o1);
-            temp[x].m_keyCode = PyInt_AsLong(o2);
-            temp[x].m_command = PyInt_AsLong(o3);
+            temp[x].Set(PyInt_AsLong(o1), PyInt_AsLong(o2), PyInt_AsLong(o3));
         }
         else {
             PyErr_SetString(PyExc_TypeError, "Expected a list of 3-tuples or wxAcceleratorEntry objects.");
@@ -1030,99 +2404,200 @@ wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
 }
 
 
+wxPen** wxPen_LIST_helper(PyObject* source) {
+    if (!PyList_Check(source)) {
+        PyErr_SetString(PyExc_TypeError, "Expected a list object.");
+        return NULL;
+    }
+    int count = PyList_Size(source);
+    wxPen** temp = new wxPen*[count];
+    if (!temp) {
+        PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
+        return NULL;
+    }
+    for (int x=0; x<count; x++) {
+        PyObject* o = PyList_GetItem(source, x);
+        if (wxPySwigInstance_Check(o)) {
+            wxPen*  pt;
+            if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPen"))) {
+                delete temp;
+                PyErr_SetString(PyExc_TypeError,"Expected wxPen.");
+                return NULL;
+            }
+            temp[x] = pt;
+        }
+        else {
+            delete temp;
+            PyErr_SetString(PyExc_TypeError, "Expected a list of wxPens.");
+            return NULL;
+        }
+    }
+    return temp;
+}
 
-//----------------------------------------------------------------------
 
-bool wxSize_helper(PyObject* source, wxSize** obj) {
+bool wxPy2int_seq_helper(PyObject* source, int* i1, int* i2) {
+    bool isFast = PyList_Check(source) || PyTuple_Check(source);
+    PyObject *o1, *o2;
 
-    // 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;
+    if (!PySequence_Check(source) || PySequence_Length(source) != 2)
+        return false;
+
+    if (isFast) {
+        o1 = PySequence_Fast_GET_ITEM(source, 0);
+        o2 = PySequence_Fast_GET_ITEM(source, 1);
     }
-    // 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;
+    else {
+        o1 = PySequence_GetItem(source, 0);
+        o2 = PySequence_GetItem(source, 1);
     }
 
- error:
-    PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of integers or a wxSize object.");
-    return FALSE;
+    *i1 = PyInt_AsLong(o1);
+    *i2 = PyInt_AsLong(o2);
+
+    if (! isFast) {
+        Py_DECREF(o1);
+        Py_DECREF(o2);
+    }
+    return true;
 }
 
-bool wxPoint_helper(PyObject* source, wxPoint** obj) {
 
-    // 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;
+bool wxPy4int_seq_helper(PyObject* source, int* i1, int* i2, int* i3, int* i4) {
+    bool isFast = PyList_Check(source) || PyTuple_Check(source);
+    PyObject *o1, *o2, *o3, *o4;
+
+    if (!PySequence_Check(source) || PySequence_Length(source) != 4)
+        return false;
+
+    if (isFast) {
+        o1 = PySequence_Fast_GET_ITEM(source, 0);
+        o2 = PySequence_Fast_GET_ITEM(source, 1);
+        o3 = PySequence_Fast_GET_ITEM(source, 2);
+        o4 = PySequence_Fast_GET_ITEM(source, 3);
     }
-    // otherwise a length-2 sequence of integers is expected
-    if (PySequence_Check(source) && PySequence_Length(source) == 2) {
-        PyObject* o1 = PySequence_GetItem(source, 0);
-        PyObject* o2 = PySequence_GetItem(source, 1);
-               // This should really check for integers, not numbers -- but that would break code.
-               if (!PyNumber_Check(o1) || !PyNumber_Check(o2)) {
-                       Py_DECREF(o1);
-                   Py_DECREF(o2);
-                       goto error;
-               }
-               **obj = wxPoint(PyInt_AsLong(o1), PyInt_AsLong(o2));
-               Py_DECREF(o1);
-               Py_DECREF(o2);
-        return TRUE;
+    else {
+        o1 = PySequence_GetItem(source, 0);
+        o2 = PySequence_GetItem(source, 1);
+        o3 = PySequence_GetItem(source, 2);
+        o4 = PySequence_GetItem(source, 3);
     }
- error:
-    PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of integers or a wxPoint object.");
-    return FALSE;
+
+    *i1 = PyInt_AsLong(o1);
+    *i2 = PyInt_AsLong(o2);
+    *i3 = PyInt_AsLong(o3);
+    *i4 = PyInt_AsLong(o4);
+
+    if (! isFast) {
+        Py_DECREF(o1);
+        Py_DECREF(o2);
+        Py_DECREF(o3);
+        Py_DECREF(o4);
+    }
+    return true;
+}
+
+
+//----------------------------------------------------------------------
+
+bool wxPySimple_typecheck(PyObject* source, const wxChar* classname, int seqLen)
+{
+    void* ptr;
+
+    if (wxPySwigInstance_Check(source) &&
+        wxPyConvertSwigPtr(source, (void **)&ptr, classname))
+        return true;
+
+    PyErr_Clear();
+    if (PySequence_Check(source) && PySequence_Length(source) == seqLen)
+        return true;
+
+    return false;
+}
+
+bool wxSize_helper(PyObject* source, wxSize** obj)
+{
+    if (source == Py_None) {
+        **obj = wxSize(-1,-1);
+        return true;
+    }
+    return wxPyTwoIntItem_helper(source, obj, wxT("wxSize"));
+}
+
+
+bool wxPoint_helper(PyObject* source, wxPoint** obj)
+{
+    if (source == Py_None) {
+        **obj = wxPoint(-1,-1);
+        return true;
+    }
+    return wxPyTwoIntItem_helper(source, obj, wxT("wxPoint"));
+}
+
+
+
+bool wxPosition_helper(PyObject* source, wxPosition** obj)
+{
+    if (source == Py_None) {
+        **obj = wxPosition(-1,-1);
+        return true;
+    }
+    return wxPyTwoIntItem_helper(source, obj, wxT("wxPosition"));
 }
 
 
 
 bool wxRealPoint_helper(PyObject* source, wxRealPoint** obj) {
 
+    if (source == Py_None) {
+        **obj = wxRealPoint(-1,-1);
+        return true;
+    }
+
     // If source is an object instance then it may already be the right type
-    if (PyInstance_Check(source)) {
+    if (wxPySwigInstance_Check(source)) {
         wxRealPoint* ptr;
-        if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxRealPoint_p"))
+        if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxRealPoint")))
             goto error;
         *obj = ptr;
-        return TRUE;
+        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);
+        if (!PyNumber_Check(o1) || !PyNumber_Check(o2)) {
+            Py_DECREF(o1);
+            Py_DECREF(o2);
+            goto error;
+        }
         **obj = wxRealPoint(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2));
-        return TRUE;
+        Py_DECREF(o1);
+        Py_DECREF(o2);
+        return true;
     }
 
  error:
     PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wxRealPoint object.");
-    return FALSE;
+    return false;
 }
 
 
 
-
 bool wxRect_helper(PyObject* source, wxRect** obj) {
 
+    if (source == Py_None) {
+        **obj = wxRect(-1,-1,-1,-1);
+        return true;
+    }
+
     // If source is an object instance then it may already be the right type
-    if (PyInstance_Check(source)) {
+    if (wxPySwigInstance_Check(source)) {
         wxRect* ptr;
-        if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxRect_p"))
+        if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxRect")))
             goto error;
         *obj = ptr;
-        return TRUE;
+        return true;
     }
     // otherwise a 4-tuple of integers is expected
     else if (PySequence_Check(source) && PyObject_Length(source) == 4) {
@@ -1130,52 +2605,438 @@ bool wxRect_helper(PyObject* source, wxRect** obj) {
         PyObject* o2 = PySequence_GetItem(source, 1);
         PyObject* o3 = PySequence_GetItem(source, 2);
         PyObject* o4 = PySequence_GetItem(source, 3);
+        if (!PyNumber_Check(o1) || !PyNumber_Check(o2) ||
+            !PyNumber_Check(o3) || !PyNumber_Check(o4)) {
+            Py_DECREF(o1);
+            Py_DECREF(o2);
+            Py_DECREF(o3);
+            Py_DECREF(o4);
+            goto error;
+        }
         **obj = wxRect(PyInt_AsLong(o1), PyInt_AsLong(o2),
-                     PyInt_AsLong(o3), PyInt_AsLong(o4));
-        return TRUE;
+                       PyInt_AsLong(o3), PyInt_AsLong(o4));
+        Py_DECREF(o1);
+        Py_DECREF(o2);
+        Py_DECREF(o3);
+        Py_DECREF(o4);
+        return true;
     }
 
  error:
     PyErr_SetString(PyExc_TypeError, "Expected a 4-tuple of integers or a wxRect object.");
-    return FALSE;
+    return false;
 }
 
 
 
 bool wxColour_helper(PyObject* source, wxColour** obj) {
 
+    if (source == Py_None) {
+        **obj = wxNullColour;
+        return true;
+    }
+
     // If source is an object instance then it may already be the right type
-    if (PyInstance_Check(source)) {
+    if (wxPySwigInstance_Check(source)) {
         wxColour* ptr;
-        if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxColour_p"))
+        if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxColour")))
             goto error;
         *obj = ptr;
-        return TRUE;
-    }
-    // otherwise a string is expected
-    else if (PyString_Check(source)) {
-        wxString spec = PyString_AS_STRING(source);
-        if (spec[0U] == '#' && spec.Length() == 7) {  // It's  #RRGGBB
-            char* junk;
-            int red   = strtol(spec.Mid(1,2), &junk, 16);
-            int green = strtol(spec.Mid(3,2), &junk, 16);
-            int blue  = strtol(spec.Mid(5,2), &junk, 16);
+        return true;
+    }
+    // otherwise check for a string
+    else if (PyString_Check(source) || PyUnicode_Check(source)) {
+        wxString spec = Py2wxString(source);
+        if (spec.GetChar(0) == '#' && spec.Length() == 7) {  // It's  #RRGGBB
+            long red, green, blue;
+            red = green = blue = 0;
+            spec.Mid(1,2).ToLong(&red,   16);
+            spec.Mid(3,2).ToLong(&green, 16);
+            spec.Mid(5,2).ToLong(&blue,  16);
+
             **obj = wxColour(red, green, blue);
-            return TRUE;
+            return true;
         }
         else {                                       // it's a colour name
             **obj = wxColour(spec);
-            return TRUE;
+            return true;
         }
     }
+    // last chance: 3-tuple or 4-tuple of integers is expected
+    else if (PySequence_Check(source) && PyObject_Length(source) == 3) {
+        PyObject* o1 = PySequence_GetItem(source, 0);
+        PyObject* o2 = PySequence_GetItem(source, 1);
+        PyObject* o3 = PySequence_GetItem(source, 2);
+        if (!PyNumber_Check(o1) || !PyNumber_Check(o2) || !PyNumber_Check(o3)) {
+            Py_DECREF(o1);
+            Py_DECREF(o2);
+            Py_DECREF(o3);
+            goto error;
+        }
+        **obj = wxColour(PyInt_AsLong(o1), PyInt_AsLong(o2), PyInt_AsLong(o3));
+        Py_DECREF(o1);
+        Py_DECREF(o2);
+        Py_DECREF(o3);
+        return true;
+    }
+    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);
+        if (!PyNumber_Check(o1) || !PyNumber_Check(o2) || !PyNumber_Check(o3) || !PyNumber_Check(o4)) {
+            Py_DECREF(o1);
+            Py_DECREF(o2);
+            Py_DECREF(o3);
+            Py_DECREF(o4);
+            goto error;
+        }
+        **obj = wxColour(PyInt_AsLong(o1), PyInt_AsLong(o2), PyInt_AsLong(o3), PyInt_AsLong(o4));
+        Py_DECREF(o1);
+        Py_DECREF(o2);
+        Py_DECREF(o3);
+        Py_DECREF(o4);
+        return true;
+    }
 
  error:
-    PyErr_SetString(PyExc_TypeError, "Expected a wxColour object or a string containing a colour name or '#RRGGBB'.");
-    return FALSE;
+    PyErr_SetString(PyExc_TypeError,
+                    "Expected a wxColour object, a string containing a colour name or '#RRGGBB', or a 3- or 4-tuple of integers.");
+    return false;
+}
+
+
+bool wxColour_typecheck(PyObject* source) {
+
+    if (wxPySimple_typecheck(source, wxT("wxColour"), 3))
+        return true;
+
+    if (PyString_Check(source) || PyUnicode_Check(source))
+        return true;
+
+    return false;
+}
+
+
+
+bool wxPoint2D_helper(PyObject* source, wxPoint2D** obj) {
+
+    if (source == Py_None) {
+        **obj = wxPoint2D(-1,-1);
+        return true;
+    }
+
+    // If source is an object instance then it may already be the right type
+    if (wxPySwigInstance_Check(source)) {
+        wxPoint2D* ptr;
+        if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxPoint2D")))
+            goto error;
+        *obj = ptr;
+        return true;
+    }
+    // otherwise a length-2 sequence of floats is expected
+    if (PySequence_Check(source) && PySequence_Length(source) == 2) {
+        PyObject* o1 = PySequence_GetItem(source, 0);
+        PyObject* o2 = PySequence_GetItem(source, 1);
+        // This should really check for floats, not numbers -- but that would break code.
+        if (!PyNumber_Check(o1) || !PyNumber_Check(o2)) {
+            Py_DECREF(o1);
+            Py_DECREF(o2);
+            goto error;
+        }
+        **obj = wxPoint2D(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2));
+        Py_DECREF(o1);
+        Py_DECREF(o2);
+        return true;
+    }
+ error:
+    PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wx.Point2D object.");
+    return false;
+}
+
+
+
+bool wxRect2D_helper(PyObject* source, wxRect2D** obj) {
+
+    if (source == Py_None) {
+        **obj = wxRect2D(-1,-1,-1,-1);
+        return true;
+    }
+
+    // If source is an object instance then it may already be the right type
+    if (wxPySwigInstance_Check(source)) {
+        wxRect2D* ptr;
+        if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxRect2D")))
+            goto error;
+        *obj = ptr;
+        return true;
+    }
+    // otherwise a length-4 sequence of floats is expected
+    if (PySequence_Check(source) && PySequence_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);
+        // This should really check for floats, not numbers -- but that would break code.
+        if (!PyNumber_Check(o1) || !PyNumber_Check(o2) ||
+            !PyNumber_Check(o3) || !PyNumber_Check(o4)) {
+            Py_DECREF(o1);
+            Py_DECREF(o2);
+            Py_DECREF(o3);
+            Py_DECREF(o4);
+            goto error;
+        }
+        **obj = wxRect2D(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2),
+                         PyFloat_AsDouble(o3), PyFloat_AsDouble(o4));
+        Py_DECREF(o1);
+        Py_DECREF(o2);
+        Py_DECREF(o3);
+        Py_DECREF(o4);
+        return true;
+    }
+ error:
+    PyErr_SetString(PyExc_TypeError, "Expected a 4-tuple of floats or a wx.Rect2D object.");
+    return false;
+}
+
+
+//----------------------------------------------------------------------
+
+PyObject* wxArrayString2PyList_helper(const wxArrayString& arr)
+{
+    PyObject* list = PyList_New(0);
+    for (size_t i=0; i < arr.GetCount(); i++) {
+#if wxUSE_UNICODE
+        PyObject* str = PyUnicode_FromWideChar(arr[i].c_str(), arr[i].Len());
+#else
+       PyObject* str = PyString_FromStringAndSize(arr[i].c_str(), arr[i].Len());
+#endif
+        PyList_Append(list, str);
+        Py_DECREF(str);
+    }
+    return list;
+}
+
+
+PyObject* wxArrayInt2PyList_helper(const wxArrayInt& arr)
+{
+    PyObject* list = PyList_New(0);
+    for (size_t i=0; i < arr.GetCount(); i++) {
+        PyObject* number = PyInt_FromLong(arr[i]);
+        PyList_Append(list, number);
+        Py_DECREF(number);
+    }
+    return list;
+}
+
+
+PyObject* wxArrayDouble2PyList_helper(const wxArrayDouble& arr)
+{
+    PyObject* list = PyList_New(0);
+    for (size_t i=0; i < arr.GetCount(); i++) {
+        PyObject* number = PyFloat_FromDouble(arr[i]);
+        PyList_Append(list, number);
+        Py_DECREF(number);
+    }
+    return list;
+}
+
+
+//----------------------------------------------------------------------
+// wxPyImageHandler methods
+//
+// TODO: Switch these to use wxPython's standard macros and helper classes
+//       for calling callbacks.
+
+PyObject* wxPyImageHandler::m_DoCanRead_Name = NULL;
+PyObject* wxPyImageHandler::m_GetImageCount_Name = NULL;
+PyObject* wxPyImageHandler::m_LoadFile_Name = NULL;
+PyObject* wxPyImageHandler::m_SaveFile_Name = NULL;
+
+PyObject* wxPyImageHandler::py_InputStream(wxInputStream* stream) {
+    return wxPyConstructObject(new wxPyInputStream(stream),
+                               wxT("wxPyInputStream"), 0);
+}
+
+PyObject* wxPyImageHandler::py_Image(wxImage* image) {
+    return wxPyConstructObject(image, wxT("wxImage"), 0);
+}
+
+PyObject* wxPyImageHandler::py_OutputStream(wxOutputStream* stream) {
+    return wxPyConstructObject(stream, wxT("wxOutputStream"), 0);
+}
+
+wxPyImageHandler::wxPyImageHandler():
+    m_self(NULL)
+{
+    if (!m_DoCanRead_Name) {
+        m_DoCanRead_Name = PyString_FromString("DoCanRead");
+        m_GetImageCount_Name = PyString_FromString("GetImageCount");
+        m_LoadFile_Name = PyString_FromString("LoadFile");
+        m_SaveFile_Name = PyString_FromString("SaveFile");
+    }
+}
+
+wxPyImageHandler::~wxPyImageHandler() {
+    if (m_self) {
+        Py_DECREF(m_self);
+        m_self = NULL;
+    }
+}
+
+void wxPyImageHandler::_SetSelf(PyObject *self) {
+    // should check here for isinstance(PyImageHandler) ??
+    m_self = self;
+    Py_INCREF(m_self);
+}
+
+bool wxPyImageHandler::DoCanRead(wxInputStream& stream) {
+    // check if our object has this method
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if (!m_self || !PyObject_HasAttr(m_self, m_DoCanRead_Name)) {
+        wxPyEndBlockThreads(blocked);
+        return false;
+    }
+
+    PyObject* res = PyObject_CallMethodObjArgs(m_self, m_DoCanRead_Name,
+                                               py_InputStream(&stream), NULL);
+    bool retval = false;
+    if (res) {
+        retval = PyInt_AsLong(res);
+        Py_DECREF(res);
+        PyErr_Clear();
+    }
+    else
+        PyErr_Print();
+    wxPyEndBlockThreads(blocked);
+    return retval;
+}
+
+bool wxPyImageHandler::LoadFile( wxImage* image, wxInputStream& stream,
+                                 bool verbose, int index ) {
+    // check if our object has this method
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if (!m_self || !PyObject_HasAttr(m_self, m_LoadFile_Name)) {
+        wxPyEndBlockThreads(blocked);
+        return false;
+    }
+    PyObject* res = PyObject_CallMethodObjArgs(m_self, m_LoadFile_Name,
+                                               py_Image(image),
+                                               py_InputStream(&stream),
+                                               PyInt_FromLong(verbose),
+                                               PyInt_FromLong(index),
+                                               NULL);
+    bool retval = false;
+    if (res) {
+        retval = PyInt_AsLong(res);
+        Py_DECREF(res);
+        PyErr_Clear();
+    } else
+        PyErr_Print();
+    wxPyEndBlockThreads(blocked);
+    return retval;
+}
+
+bool wxPyImageHandler::SaveFile( wxImage* image, wxOutputStream& stream,
+                                 bool verbose ) {
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if (!m_self || !PyObject_HasAttr(m_self, m_SaveFile_Name)) {
+        wxPyEndBlockThreads(blocked);
+        return false;
+    }
+    PyObject* res = PyObject_CallMethodObjArgs(m_self, m_SaveFile_Name,
+                                               py_Image(image),
+                                               py_OutputStream(&stream),
+                                               PyInt_FromLong(verbose),
+                                               NULL);
+    bool retval = false;
+    if(res) {
+        retval=PyInt_AsLong(res);
+        Py_DECREF(res);
+        PyErr_Clear();
+    } else
+        PyErr_Print();
+    wxPyEndBlockThreads(blocked);
+    return retval;
+}
+
+int wxPyImageHandler::GetImageCount( wxInputStream& stream ) {
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if (!m_self || !PyObject_HasAttr(m_self, m_GetImageCount_Name)) {
+        wxPyEndBlockThreads(blocked);
+        return 1;
+    }
+    PyObject *res=PyObject_CallMethodObjArgs(m_self, m_GetImageCount_Name,
+                                             py_InputStream(&stream),
+                                             NULL);
+    int retval = 1;
+    if(res) {
+        retval=PyInt_AsLong(res);
+        Py_DECREF(res);
+        PyErr_Clear();
+    } else
+        PyErr_Print();
+    wxPyEndBlockThreads(blocked);
+    return retval;
 }
 
 
 //----------------------------------------------------------------------
+// Function to test if the Display (or whatever is the platform equivallent)
+// can be connected to.  This is accessable from wxPython as a staticmethod of
+// wx.App called DisplayAvailable().
+
+
+bool wxPyTestDisplayAvailable()
+{
+#ifdef __WXGTK__
+    Display* display;
+    display = XOpenDisplay(NULL);
+    if (display == NULL)
+        return false;
+    XCloseDisplay(display);
+    return true;
+#endif
+
+#ifdef __WXMAC__
+    // This is adapted from Python's Mac/Modules/MacOS.c in the
+    // MacOS_WMAvailable function.
+    bool rv;
+    ProcessSerialNumber psn;
+               
+    /*
+    ** This is a fairly innocuous call to make if we don't have a window
+    ** manager, or if we have no permission to talk to it. It will print
+    ** a message on stderr, but at least it won't abort the process.
+    ** It appears the function caches the result itself, and it's cheap, so
+    ** no need for us to cache.
+    */
+#ifdef kCGNullDirectDisplay
+    /* On 10.1 CGMainDisplayID() isn't available, and
+    ** kCGNullDirectDisplay isn't defined.
+    */
+    if (CGMainDisplayID() == 0) {
+        rv = false;
+    } else 
+#endif
+    {
+        // Also foreground the application on the first call as a side-effect.
+        if (GetCurrentProcess(&psn) < 0 || SetFrontProcess(&psn) < 0) {
+            rv = false;
+        } else {
+            rv = true;
+        }
+    }
+    return rv;
+#endif
+
+#ifdef __WXMSW__
+    // TODO...
+    return true;
+#endif
+}
+
+
 //----------------------------------------------------------------------
 //----------------------------------------------------------------------