]> git.saurik.com Git - wxWidgets.git/blobdiff - utils/wxPython/src/helpers.cpp
Fixed wxWindowCreateEvent and wxWindowDestroyEvent to set m_eventType
[wxWidgets.git] / utils / wxPython / src / helpers.cpp
index a89b3502e8bd4d90a54f9891e695f3aedad5694c..685a999c25805ff6d14bdc8caa3d9eddba9ca3c3 100644 (file)
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
+#include <stdio.h>  // get the correct definition of NULL
+
+#undef DEBUG
+#include <Python.h>
+#include "helpers.h"
+
 #ifdef __WXMSW__
-#include <windows.h>
+#include <wx/msw/private.h>
 #undef FindWindow
 #undef GetCharWidth
 #undef LoadAccelerators
+#undef GetClassInfo
+#undef GetClassName
 #endif
 
-#undef DEBUG
-#include <Python.h>
-#include "helpers.h"
-
 #ifdef __WXGTK__
-#ifdef wxUSE_GDK_IMLIB
-#include "gdk_imlib/gdk_imlib.h"
-#endif
+#include <gtk/gtk.h>
 #endif
 
+
 //---------------------------------------------------------------------------
 
 //wxHashTable*  wxPyWindows = NULL;
@@ -39,8 +42,6 @@ wxString    wxPyEmptyStr("");
 
 
 #ifdef __WXMSW__             // If building for win32...
-extern HINSTANCE wxhInstance;
-
 //----------------------------------------------------------------------
 // This gets run when the DLL is loaded.  We just need to save a handle.
 //----------------------------------------------------------------------
@@ -51,7 +52,7 @@ BOOL WINAPI DllMain(
     LPVOID      lpvReserved  // reserved
    )
 {
-    wxhInstance = hinstDLL;
+    wxSetInstance(hinstDLL);
     return 1;
 }
 #endif
@@ -63,48 +64,52 @@ BOOL WINAPI DllMain(
 wxPyApp *wxPythonApp = NULL;            // Global instance of application object
 
 
+wxPyApp::wxPyApp() {
+//    printf("**** ctor\n");
+}
+
+wxPyApp::~wxPyApp() {
+//    printf("**** dtor\n");
+}
+
+
 // This one isn't acutally called...  See __wxStart()
 bool wxPyApp::OnInit(void) {
-    return false;
+    return FALSE;
 }
 
 int  wxPyApp::MainLoop(void) {
     int retval = wxApp::MainLoop();
-    AfterMainLoop();
+//#    AfterMainLoop();
+    wxPythonApp->OnExit();  //#
     return retval;
 }
 
-void wxPyApp::AfterMainLoop(void) {
-    // more stuff from wxEntry...
 
-#ifdef __WXMSW__
-    if (wxPythonApp->GetTopWindow()) {
-        // Forcibly delete the window.
-        if (wxPythonApp->GetTopWindow()->IsKindOf(CLASSINFO(wxFrame)) ||
-            wxPythonApp->GetTopWindow()->IsKindOf(CLASSINFO(wxDialog))) {
+//#  void wxPyApp::AfterMainLoop(void) {
+//      // more stuff from wxEntry...
 
-            wxPythonApp->GetTopWindow()->Close(TRUE);
-            wxPythonApp->DeletePendingObjects();
-        }
-        else {
-            delete wxPythonApp->GetTopWindow();
-            wxPythonApp->SetTopWindow(NULL);
-        }
-    }
-#endif
-#ifdef __WXGTK__
-      wxPythonApp->DeletePendingObjects();
-#endif
+//      if (wxPythonApp->GetTopWindow()) {
+//          // Forcibly delete the window.
+//          if (wxPythonApp->GetTopWindow()->IsKindOf(CLASSINFO(wxFrame)) ||
+//              wxPythonApp->GetTopWindow()->IsKindOf(CLASSINFO(wxDialog))) {
 
-    wxPythonApp->OnExit();
-#ifdef __WXMSW__
-    wxApp::CleanUp();
-#endif
-#ifdef __WXGTK__
-    wxApp::CommonCleanUp();
-#endif
-    delete wxPythonApp;
-}
+//              wxPythonApp->GetTopWindow()->Close(TRUE);
+//              wxPythonApp->DeletePendingObjects();
+//          }
+//          else {
+//              delete wxPythonApp->GetTopWindow();
+//              wxPythonApp->SetTopWindow(NULL);
+//          }
+//      }
+//  #ifdef __WXGTK__
+//        wxPythonApp->DeletePendingObjects();
+//  #endif
+
+//      wxPythonApp->OnExit();
+//      wxApp::CleanUp();
+//  //    delete wxPythonApp;
+//  }
 
 
 //---------------------------------------------------------------------
@@ -114,9 +119,13 @@ void wxPyApp::AfterMainLoop(void) {
 
 // This is where we pick up the first part of the wxEntry functionality...
 // The rest is in __wxStart and  AfterMainLoop.  This function is called when
-// wxpc is imported.  (Before there is a wxApp object.)
+// wxcmodule is imported.  (Before there is a wxApp object.)
 void __wxPreStart()
 {
+#ifdef WXP_WITH_THREAD
+    PyEval_InitThreads();
+#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.
@@ -126,9 +135,8 @@ void __wxPreStart()
 #ifdef __WXMSW__
     wxApp::Initialize();
 #endif
-#ifdef __WXGTK__
-    wxClassInfo::InitializeClasses();
 
+#ifdef __WXGTK__
     PyObject* sysargv = PySys_GetObject("argv");
     int argc = PyList_Size(sysargv);
     char** argv = new char*[argc+1];
@@ -137,24 +145,29 @@ void __wxPreStart()
         argv[x] = PyString_AsString(PyList_GetItem(sysargv, x));
     argv[argc] = NULL;
 
+    gtk_set_locale();
+#if wxUSE_WCHAR_T
+    if (!wxOKlibc()) wxConvCurrent = &wxConvLocal;
+#else
+    if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL;
+#endif
     gtk_init( &argc, &argv );
+    wxSetDetectableAutoRepeat( TRUE );
     delete [] argv;
 
-#ifdef wxUSE_GDK_IMLIB
-    gdk_imlib_init();
-    gtk_widget_push_visual(gdk_imlib_get_visual());
-    gtk_widget_push_colormap(gdk_imlib_get_colormap());
-#endif
-
-    wxApp::CommonInit();
+    wxApp::Initialize();     // may return FALSE. Should we check?
 #endif
 
 }
 
 
-
+#ifdef WXP_WITH_THREAD
+PyThreadState*  wxPyEventThreadState = NULL;
+#endif
 static char* __nullArgv[1] = { 0 };
 
+
+
 // Start the user application, user App's OnInit method is a parameter here
 PyObject* __wxStart(PyObject* /* self */, PyObject* args)
 {
@@ -163,6 +176,9 @@ PyObject* __wxStart(PyObject* /* self */, PyObject* args)
     PyObject*   result;
     long        bResult;
 
+#ifdef WXP_WITH_THREAD
+    wxPyEventThreadState = PyThreadState_Get();
+#endif
 
     if (!PyArg_ParseTuple(args, "O", &onInitFunc))
         return NULL;
@@ -175,16 +191,15 @@ PyObject* __wxStart(PyObject* /* self */, PyObject* args)
 
     // This is the next part of the wxEntry functionality...
     wxPythonApp->argc = 0;
-    wxPythonApp->argv = __nullArgv;
+    wxPythonApp->argv = NULL;
     wxPythonApp->OnInitGui();
 
 
     // Call the Python App's OnInit function
     arglist = PyTuple_New(0);
     result = PyEval_CallObject(onInitFunc, arglist);
-    if (!result) {
-        PyErr_Print();
-        exit(1);
+    if (!result) {      // an exception was raised.
+        return NULL;
     }
 
     if (! PyInt_Check(result)) {
@@ -193,15 +208,7 @@ PyObject* __wxStart(PyObject* /* self */, PyObject* args)
     }
     bResult = PyInt_AS_LONG(result);
     if (! bResult) {
-        wxPythonApp->DeletePendingObjects();
-        wxPythonApp->OnExit();
-#ifdef __WXMSW__
-        wxApp::CleanUp();
-#endif
-#ifdef __WXGTK__
-        wxApp::CommonCleanUp();
-#endif
-        PyErr_SetString(PyExc_SystemExit, "OnInit returned false, exiting...");
+        PyErr_SetString(PyExc_SystemExit, "OnInit returned FALSE, exiting...");
         return NULL;
     }
 
@@ -253,10 +260,7 @@ PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
 
 //---------------------------------------------------------------------------
 
-
-static
-PyObject* wxPyConstructObject(void* ptr, char* className)
-{
+PyObject* wxPyConstructObject(void* ptr, const char* className) {
     char    buff[64];               // should always be big enough...
     char    swigptr[64];
 
@@ -277,6 +281,69 @@ PyObject* wxPyConstructObject(void* ptr, char* className)
     return obj;
 }
 
+//---------------------------------------------------------------------------
+
+static unsigned int _wxPyNestCount = 0;
+
+static PyThreadState* myPyThreadState_Get() {
+    PyThreadState* current;
+    current = PyThreadState_Swap(NULL);
+    PyThreadState_Swap(current);
+    return current;
+}
+
+
+HELPEREXPORT 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!)
+    //
+#ifdef WXP_WITH_THREAD
+    _wxPyNestCount += 1;
+    if (wxPyEventThreadState != myPyThreadState_Get()) {
+        PyEval_RestoreThread(wxPyEventThreadState);
+        return TRUE;
+    }
+    else
+#endif
+        return FALSE;
+}
+
+
+HELPEREXPORT void wxPySaveThread(bool doSave) {
+#ifdef WXP_WITH_THREAD
+    if (doSave) {
+        wxPyEventThreadState = PyEval_SaveThread();
+    }
+    _wxPyNestCount -= 1;
+#endif
+}
+
+//---------------------------------------------------------------------------
+
+
+IMPLEMENT_ABSTRACT_CLASS(wxPyCallback, wxObject);
+
+wxPyCallback::wxPyCallback(PyObject* func) {
+    m_func = func;
+    Py_INCREF(m_func);
+}
+
+wxPyCallback::wxPyCallback(const wxPyCallback& other) {
+    m_func = other.m_func;
+    Py_INCREF(m_func);
+}
+
+wxPyCallback::~wxPyCallback() {
+    bool doSave = wxPyRestoreThread();
+    Py_DECREF(m_func);
+    wxPySaveThread(doSave);
+}
+
+
 
 // This function is used for all events destined for Python event handlers.
 void wxPyCallback::EventThunker(wxEvent& event) {
@@ -286,7 +353,16 @@ void wxPyCallback::EventThunker(wxEvent& event) {
     PyObject*       arg;
     PyObject*       tuple;
 
-    arg = wxPyConstructObject((void*)&event, event.GetClassInfo()->GetClassName());
+
+    bool doSave = wxPyRestoreThread();
+    wxString className = event.GetClassInfo()->GetClassName();
+
+    if (className == "wxPyEvent")
+        arg = ((wxPyEvent*)&event)->GetSelf();
+    else if (className == "wxPyCommandEvent")
+        arg = ((wxPyCommandEvent*)&event)->GetSelf();
+    else
+        arg = wxPyConstructObject((void*)&event, className);
 
     tuple = PyTuple_New(1);
     PyTuple_SET_ITEM(tuple, 0, arg);
@@ -298,57 +374,169 @@ void wxPyCallback::EventThunker(wxEvent& event) {
     } else {
         PyErr_Print();
     }
+    wxPySaveThread(doSave);
 }
 
 
-//---------------------------------------------------------------------------
+//----------------------------------------------------------------------
 
-wxPyMenu::wxPyMenu(const wxString& title, PyObject* _func)
-    : wxMenu(title, (wxFunction)(func ? MenuCallback : NULL)), func(0) {
+wxPyCallbackHelper::wxPyCallbackHelper() {
+    m_self = NULL;
+    m_lastFound = NULL;
+    m_incRef = FALSE;
+}
 
-    if (_func) {
-        func = _func;
-        Py_INCREF(func);
-    }
+
+wxPyCallbackHelper::~wxPyCallbackHelper() {
+    bool doSave = wxPyRestoreThread();
+    if (m_incRef)
+        Py_XDECREF(m_self);
+    wxPySaveThread(doSave);
+}
+
+wxPyCallbackHelper::wxPyCallbackHelper(const wxPyCallbackHelper& other) {
+      m_lastFound = NULL;
+      m_self = other.m_self;
+      if (m_self)
+          Py_INCREF(m_self);
+}
+
+
+void wxPyCallbackHelper::setSelf(PyObject* self, int incref) {
+    m_self = self;
+    m_incRef = incref;
+    if (incref)
+        Py_INCREF(m_self);
 }
 
-wxPyMenu::~wxPyMenu() {
-    if (func)
-        Py_DECREF(func);
+
+bool wxPyCallbackHelper::findCallback(const wxString& name) {
+    m_lastFound = NULL;
+    if (m_self && PyObject_HasAttrString(m_self, (char*)name.c_str()))
+        m_lastFound = PyObject_GetAttrString(m_self, (char*)name.c_str());
+
+    return m_lastFound != NULL;
 }
 
 
-void wxPyMenu::MenuCallback(wxMenu& menu, wxCommandEvent& evt) {
-    PyObject* evtobj  = wxPyConstructObject((void*)&evt, "wxCommandEvent");
-    PyObject* menuobj = wxPyConstructObject((void*)&menu, "wxMenu");
-    if (PyErr_Occurred()) {
-        // bail out if a problem
+int wxPyCallbackHelper::callCallback(PyObject* argTuple) {
+    PyObject*   result;
+    int         retval = FALSE;
+
+    result = callCallbackObj(argTuple);
+    if (result) {                       // Assumes an integer return type...
+        retval = PyInt_AsLong(result);
+        Py_DECREF(result);
+        PyErr_Clear();                  // forget about it if it's not...
+    }
+    return retval;
+}
+
+// Invoke the Python callable object, returning the raw PyObject return
+// value.  Caller should DECREF the return value and also call PyEval_SaveThread.
+PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) {
+    PyObject*   result;
+
+    result = PyEval_CallObject(m_lastFound, argTuple);
+    Py_DECREF(argTuple);
+    if (!result) {
         PyErr_Print();
-        return;
     }
-    // Now call the callback...
-    PyObject* func = ((wxPyMenu*)&menu)->func;
-    PyObject* args = PyTuple_New(2);
-    PyTuple_SET_ITEM(args, 0, menuobj);
-    PyTuple_SET_ITEM(args, 1, evtobj);
-    PyObject* res  = PyEval_CallObject(func, args);
-    Py_DECREF(args);
-    Py_XDECREF(res); /* In case res is a NULL pointer */
+    return result;
+}
+
+
+
+//---------------------------------------------------------------------------
+//---------------------------------------------------------------------------
+// These classes can be derived from in Python and passed through the event
+// system without loosing anything.  They do this by keeping a reference to
+// themselves and some special case handling in wxPyCallback::EventThunker.
+
+
+wxPyEvtSelfRef::wxPyEvtSelfRef() {
+    //m_self = Py_None;         // **** We don't do normal ref counting to prevent
+    //Py_INCREF(m_self);        //      circular loops...
+    m_cloned = FALSE;
+}
+
+wxPyEvtSelfRef::~wxPyEvtSelfRef() {
+    bool doSave = wxPyRestoreThread();
+    if (m_cloned)
+        Py_DECREF(m_self);
+    wxPySaveThread(doSave);
+}
+
+void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) {
+    bool doSave = wxPyRestoreThread();
+    if (m_cloned)
+        Py_DECREF(m_self);
+    m_self = self;
+    if (clone) {
+        Py_INCREF(m_self);
+        m_cloned = TRUE;
+    }
+    wxPySaveThread(doSave);
+}
+
+PyObject* wxPyEvtSelfRef::GetSelf() const {
+    Py_INCREF(m_self);
+    return m_self;
+}
+
+
+wxPyEvent::wxPyEvent(int id)
+    : wxEvent(id) {
+}
+
+wxPyEvent::~wxPyEvent() {
+}
+
+// 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);
+}
+
+
+IMPLEMENT_DYNAMIC_CLASS(wxPyEvent, wxEvent);
+
+
+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);
+}
+
+
+IMPLEMENT_DYNAMIC_CLASS(wxPyCommandEvent, wxCommandEvent);
+
 
+
+//---------------------------------------------------------------------------
 //---------------------------------------------------------------------------
 
+
 wxPyTimer::wxPyTimer(PyObject* callback) {
     func = callback;
     Py_INCREF(func);
 }
 
 wxPyTimer::~wxPyTimer() {
+    bool doSave = wxPyRestoreThread();
     Py_DECREF(func);
+    wxPySaveThread(doSave);
 }
 
 void wxPyTimer::Notify() {
+    bool doSave = wxPyRestoreThread();
+
     PyObject*   result;
     PyObject*   args = Py_BuildValue("()");
 
@@ -360,14 +548,59 @@ void wxPyTimer::Notify() {
     } else {
         PyErr_Print();
     }
+    wxPySaveThread(doSave);
 }
 
 
 
-//----------------------------------------------------------------------
+//---------------------------------------------------------------------------
+//---------------------------------------------------------------------------
+// Convert a wxList to a Python List
+
+PyObject* wxPy_ConvertList(wxListBase* list, const char* className) {
+    PyObject*   pyList;
+    PyObject*   pyObj;
+    wxObject*   wxObj;
+    wxNode*     node = list->First();
+
+    bool doSave = wxPyRestoreThread();
+    pyList = PyList_New(0);
+    while (node) {
+        wxObj = node->Data();
+        pyObj = wxPyConstructObject(wxObj, className);
+        PyList_Append(pyList, pyObj);
+        node = node->Next();
+    }
+    wxPySaveThread(doSave);
+    return pyList;
+}
+
 //----------------------------------------------------------------------
 // Some helper functions for typemaps in my_typemaps.i, so they won't be
-// imcluded in every file...
+// included in every file...
+
+
+byte* byte_LIST_helper(PyObject* source) {
+    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++) {
+        PyObject* o = PyList_GetItem(source, x);
+        if (! PyInt_Check(o)) {
+            PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
+            return NULL;
+        }
+        temp[x] = (byte)PyInt_AsLong(o);
+    }
+    return temp;
+}
 
 
 int* int_LIST_helper(PyObject* source) {
@@ -453,22 +686,21 @@ wxPoint* wxPoint_LIST_helper(PyObject* source) {
     }
     for (int x=0; x<count; x++) {
         PyObject* o = PyList_GetItem(source, x);
-        if (PyString_Check(o)) {
-            char*       st = PyString_AsString(o);
-            wxPoint*    pt;
-            if (SWIG_GetPtr(st,(void **) &pt,"_wxPoint_p")) {
-                PyErr_SetString(PyExc_TypeError,"Expected _wxPoint_p.");
-                return NULL;
-            }
-            temp[x] = *pt;
-        }
-        else if (PyTuple_Check(o)) {
+        if (PyTuple_Check(o)) {
             PyObject* o1 = PyTuple_GetItem(o, 0);
             PyObject* o2 = PyTuple_GetItem(o, 1);
 
             temp[x].x = PyInt_AsLong(o1);
             temp[x].y = PyInt_AsLong(o2);
         }
+        else if (PyInstance_Check(o)) {
+            wxPoint* pt;
+            if (SWIG_GetPtrObj(o,(void **) &pt,"_wxPoint_p")) {
+                PyErr_SetString(PyExc_TypeError,"Expected _wxPoint_p.");
+                return NULL;
+            }
+            temp[x] = *pt;
+        }
         else {
             PyErr_SetString(PyExc_TypeError, "Expected a list of 2-tuples or wxPoints.");
             return NULL;
@@ -491,10 +723,9 @@ wxBitmap** wxBitmap_LIST_helper(PyObject* source) {
     }
     for (int x=0; x<count; x++) {
         PyObject* o = PyList_GetItem(source, x);
-        if (PyString_Check(o)) {
-            char*       st = PyString_AsString(o);
+        if (PyInstance_Check(o)) {
             wxBitmap*    pt;
-            if (SWIG_GetPtr(st,(void **) &pt,"_wxBitmap_p")) {
+            if (SWIG_GetPtrObj(o, (void **) &pt,"_wxBitmap_p")) {
                 PyErr_SetString(PyExc_TypeError,"Expected _wxBitmap_p.");
                 return NULL;
             }
@@ -546,10 +777,9 @@ wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
     }
     for (int x=0; x<count; x++) {
         PyObject* o = PyList_GetItem(source, x);
-        if (PyString_Check(o)) {
-            char*               st = PyString_AsString(o);
+        if (PyInstance_Check(o)) {
             wxAcceleratorEntry* ae;
-            if (SWIG_GetPtr(st,(void **) &ae,"_wxAcceleratorEntry_p")) {
+            if (SWIG_GetPtrObj(o, (void **) &ae,"_wxAcceleratorEntry_p")) {
                 PyErr_SetString(PyExc_TypeError,"Expected _wxAcceleratorEntry_p.");
                 return NULL;
             }
@@ -572,63 +802,115 @@ wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
     return temp;
 }
 
+
+
+//----------------------------------------------------------------------
+
+bool wxSize_helper(PyObject* source, wxSize** obj) {
+
+    // If source is an object instance then it may already be the right type
+    if (PyInstance_Check(source)) {
+        wxSize* ptr;
+        if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxSize_p"))
+            goto error;
+        *obj = ptr;
+        return TRUE;
+    }
+    // otherwise a 2-tuple of integers is expected
+    else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
+        PyObject* o1 = PySequence_GetItem(source, 0);
+        PyObject* o2 = PySequence_GetItem(source, 1);
+        **obj = wxSize(PyInt_AsLong(o1), PyInt_AsLong(o2));
+        return TRUE;
+    }
+
+ error:
+    PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of integers or a wxSize object.");
+    return FALSE;
+}
+
+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;
+    }
+    // otherwise a 2-tuple of integers is expected
+    else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
+        PyObject* o1 = PySequence_GetItem(source, 0);
+        PyObject* o2 = PySequence_GetItem(source, 1);
+        **obj = wxPoint(PyInt_AsLong(o1), PyInt_AsLong(o2));
+        return TRUE;
+    }
+
+ error:
+    PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of integers or a wxPoint object.");
+    return FALSE;
+}
+
+
+
+bool wxRealPoint_helper(PyObject* source, wxRealPoint** obj) {
+
+    // If source is an object instance then it may already be the right type
+    if (PyInstance_Check(source)) {
+        wxRealPoint* ptr;
+        if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxRealPoint_p"))
+            goto error;
+        *obj = ptr;
+        return TRUE;
+    }
+    // otherwise a 2-tuple of floats is expected
+    else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
+        PyObject* o1 = PySequence_GetItem(source, 0);
+        PyObject* o2 = PySequence_GetItem(source, 1);
+        **obj = wxRealPoint(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2));
+        return TRUE;
+    }
+
+ error:
+    PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wxRealPoint object.");
+    return FALSE;
+}
+
+
+
+
+bool wxRect_helper(PyObject* source, wxRect** obj) {
+
+    // If source is an object instance then it may already be the right type
+    if (PyInstance_Check(source)) {
+        wxRect* ptr;
+        if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxRect_p"))
+            goto error;
+        *obj = ptr;
+        return TRUE;
+    }
+    // otherwise a 4-tuple of integers is expected
+    else if (PySequence_Check(source) && PyObject_Length(source) == 4) {
+        PyObject* o1 = PySequence_GetItem(source, 0);
+        PyObject* o2 = PySequence_GetItem(source, 1);
+        PyObject* o3 = PySequence_GetItem(source, 2);
+        PyObject* o4 = PySequence_GetItem(source, 3);
+        **obj = wxRect(PyInt_AsLong(o1), PyInt_AsLong(o2),
+                     PyInt_AsLong(o3), PyInt_AsLong(o4));
+        return TRUE;
+    }
+
+ error:
+    PyErr_SetString(PyExc_TypeError, "Expected a 4-tuple of integers or a wxRect object.");
+    return FALSE;
+}
+
+
+
+//----------------------------------------------------------------------
+//----------------------------------------------------------------------
 //----------------------------------------------------------------------
 
 
 
-/////////////////////////////////////////////////////////////////////////////
-//
-// $Log$
-// Revision 1.13  1998/11/15 23:03:45  RD
-// Removing some ifdef's for wxGTK
-//
-// Revision 1.12  1998/11/03 09:21:08  RD
-// fixed a typo
-//
-// Revision 1.11  1998/10/20 06:43:58  RD
-// New wxTreeCtrl wrappers (untested)
-// some changes in helpers
-// etc.
-//
-// Revision 1.10  1998/10/02 06:40:39  RD
-//
-// Version 0.4 of wxPython for MSW.
-//
-// Revision 1.9  1998/09/25 13:28:52  VZ
-//
-// USE_xxx constants renamed to wxUSE_xxx. This is an incompatible change, you
-// must recompile everything after upgrading!
-//
-// Revision 1.8  1998/08/27 21:59:08  RD
-// Some chicken-and-egg problems solved for wxPython on wxGTK
-//
-// Revision 1.7  1998/08/27 00:00:26  RD
-// - more tweaks
-// - have discovered some problems but not yet discovered solutions...
-//
-// Revision 1.6  1998/08/18 21:54:12  RD
-//
-// ifdef out some wxGTK specific code
-//
-// Revision 1.5  1998/08/18 19:48:17  RD
-// more wxGTK compatibility things.
-//
-// It builds now but there are serious runtime problems...
-//
-// Revision 1.4  1998/08/16 04:31:06  RD
-// More wxGTK work.
-//
-// Revision 1.3  1998/08/15 07:36:36  RD
-// - Moved the header in the .i files out of the code that gets put into
-// the .cpp files.  It caused CVS conflicts because of the RCS ID being
-// different each time.
-//
-// - A few minor fixes.
-//
-// Revision 1.2  1998/08/14 23:36:36  RD
-// Beginings of wxGTK compatibility
-//
-// Revision 1.1  1998/08/09 08:25:51  RD
-// Initial version
-//
-//