]> git.saurik.com Git - wxWidgets.git/blobdiff - wxPython/src/helpers.cpp
Changes needed to solve wxPython's OOR problem for the wxOGL shapes.
[wxWidgets.git] / wxPython / src / helpers.cpp
index b59f95f5fe6736cb431b99fa561ca8e865b1a935..28f0621eedbacb91ccf8d38f9fd1f4c7edd819a5 100644 (file)
 #include <gtk/gtk.h>
 #include <gdk/gdkprivate.h>
 #include <wx/gtk/win_gtk.h>
-//#include <gdk/gdk.h>
-//#include <gdk/gdkx.h>
-//#include <gtk/gtkwindow.h>
-
-//extern GtkWidget *wxRootWindow;
-
 #endif
 
 
-//---------------------------------------------------------------------------
-
-//wxHashTable*  wxPyWindows = NULL;
-
-
-wxPoint     wxPyDefaultPosition;        //wxDefaultPosition);
-wxSize      wxPyDefaultSize;            //wxDefaultSize);
-wxString    wxPyEmptyStr("");
-
 
 
 #ifdef __WXMSW__             // If building for win32...
@@ -105,15 +90,19 @@ int  wxPyApp::MainLoop(void) {
 //---------------------------------------------------------------------
 //----------------------------------------------------------------------
 
+#ifdef __WXMSW__
+#include "wx/msw/msvcrt.h"
+#endif
+
+
 int  WXDLLEXPORT wxEntryStart( int argc, char** argv );
 int  WXDLLEXPORT wxEntryInitGui();
 void WXDLLEXPORT wxEntryCleanup();
 
 
 #ifdef WXP_WITH_THREAD
-PyThreadState*  wxPyEventThreadState = NULL;
+PyInterpreterState* wxPyInterpreter = NULL;
 #endif
-static char* __nullArgv[1] = { 0 };
 
 
 // This is where we pick up the first part of the wxEntry functionality...
@@ -121,9 +110,14 @@ static char* __nullArgv[1] = { 0 };
 // wxcmodule is imported.  (Before there is a wxApp object.)
 void __wxPreStart()
 {
+
+#ifdef __WXMSW__
+//    wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
+#endif
+
 #ifdef WXP_WITH_THREAD
     PyEval_InitThreads();
-    wxPyEventThreadState = PyThreadState_Get();
+    wxPyInterpreter = PyThreadState_Get()->interp;
 #endif
 
     // Bail out if there is already windows created.  This means that the
@@ -133,13 +127,17 @@ void __wxPreStart()
         return;
 
 
+    int argc = 0;
+    char** argv = NULL;
     PyObject* sysargv = PySys_GetObject("argv");
-    int argc = PyList_Size(sysargv);
-    char** argv = new char*[argc+1];
-    int x;
-    for(x=0; x<argc; x++)
-        argv[x] = PyString_AsString(PyList_GetItem(sysargv, x));
-    argv[argc] = NULL;
+    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;
+    }
 
     wxEntryStart(argc, argv);
     delete [] argv;
@@ -158,21 +156,25 @@ PyObject* __wxStart(PyObject* /* self */, PyObject* args)
     if (!PyArg_ParseTuple(args, "O", &onInitFunc))
         return NULL;
 
+#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;
     }
-
+#endif
 
     // This is the next part of the wxEntry functionality...
+    int argc = 0;
+    char** argv = NULL;
     PyObject* sysargv = PySys_GetObject("argv");
-    int argc = PyList_Size(sysargv);
-    char** 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;
-
+    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;
 
@@ -209,7 +211,9 @@ void __wxCleanup() {
 
 
 
-PyObject* wxPython_dict;
+static PyObject* wxPython_dict = NULL;
+static PyObject* wxPyPtrTypeMap = NULL;
+
 PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
 {
 
@@ -220,6 +224,12 @@ PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
         PyErr_SetString(PyExc_TypeError, "_wxSetDictionary must have dictionary object!");
         return NULL;
     }
+
+    if (! wxPyPtrTypeMap)
+        wxPyPtrTypeMap = PyDict_New();
+    PyDict_SetItemString(wxPython_dict, "__wxPyPtrTypeMap", wxPyPtrTypeMap);
+
+
 #ifdef __WXMOTIF__
 #define wxPlatform "__WXMOTIF__"
 #endif
@@ -243,13 +253,148 @@ PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
 }
 
 
+//---------------------------------------------------------------------------
+// Stuff used by OOR to find the right wxPython class type to return and to
+// build it.
+
+
+// The pointer type map is used when the "pointer" type name generated by SWIG
+// 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.
+void wxPyPtrTypeMap_Add(const char* commonName, const char* ptrName) {
+    if (! wxPyPtrTypeMap)
+        wxPyPtrTypeMap = PyDict_New();
+
+    PyDict_SetItemString(wxPyPtrTypeMap,
+                         (char*)commonName,
+                         PyString_FromString((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, bool checkEvtHandler) {
+    PyObject* target = NULL;
+    bool      isEvtHandler = FALSE;
+
+    if (source) {
+        // 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;
+            wxPyClientData* data = (wxPyClientData*)eh->GetClientObject();
+            if (data) {
+                target = data->m_obj;
+                Py_INCREF(target);
+            }
+        }
+
+        if (! target) {
+            // Otherwise make it the old fashioned way by making a
+            // new shadow object and putting this pointer in it.
+            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 (info) {
+                target = wxPyConstructObject(source, name, klass, FALSE);
+                if (target && isEvtHandler)
+                    ((wxEvtHandler*)source)->SetClientObject(new wxPyClientData(target));
+            } else {
+                wxString msg("wxPython class not found for ");
+                msg += source->GetClassInfo()->GetClassName();
+                PyErr_SetString(PyExc_NameError, msg.c_str());
+                target = NULL;
+            }
+        }
+    } else {  // source was NULL so return None.
+        Py_INCREF(Py_None); target = Py_None;
+    }
+    return target;
+}
+
+
+PyObject*  wxPyMake_wxSizer(wxSizer* source) {
+    PyObject* target = NULL;
+
+    if (source && wxIsKindOf(source, wxSizer)) {
+        // If it's derived from wxSizer then there may
+        // already be a pointer to a Python object that we can use
+        // in the OOR data.
+        wxSizer* sz = (wxSizer*)source;
+        wxPyClientData* data = (wxPyClientData*)sz->GetClientObject();
+        if (data) {
+            target = data->m_obj;
+            Py_INCREF(target);
+        }
+    }
+    if (! target) {
+        target = wxPyMake_wxObject(source, FALSE);
+        if (target != Py_None)
+            ((wxSizer*)source)->SetClientObject(new wxPyClientData(target));
+    }
+    return target;
+}
+
+
+
 //---------------------------------------------------------------------------
 
 PyObject* wxPyConstructObject(void* ptr,
-                                 const char* className,
-                                 int setThisOwn) {
+                              const char* className,
+                              PyObject* klass,
+                              int setThisOwn) {
+
     PyObject* obj;
     PyObject* arg;
+    PyObject* item;
+    char      swigptr[64];      // should always be big enough...
+    char      buff[64];
+
+    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;
+}
+
+
+PyObject* wxPyConstructObject(void* ptr,
+                              const char* className,
+                              int setThisOwn) {
+    PyObject* obj;
 
     if (!ptr) {
         Py_INCREF(Py_None);
@@ -257,16 +402,10 @@ PyObject* wxPyConstructObject(void* ptr,
     }
 
     char    buff[64];               // should always be big enough...
-    char    swigptr[64];
-
-    sprintf(buff, "_%s_p", className);
-    SWIG_MakePtr(swigptr, ptr, buff);
 
     sprintf(buff, "%sPtr", className);
     PyObject* classobj = PyDict_GetItemString(wxPython_dict, buff);
     if (! classobj) {
-        //Py_INCREF(Py_None);
-        //return Py_None;
         char temp[128];
         sprintf(temp,
                 "*** Unknown class name %s, tell Robin about it please ***",
@@ -275,60 +414,40 @@ PyObject* wxPyConstructObject(void* ptr,
         return obj;
     }
 
-    arg = Py_BuildValue("(s)", swigptr);
-    obj = PyInstance_New(classobj, arg, NULL);
-    Py_DECREF(arg);
-
-    if (setThisOwn) {
-        PyObject_SetAttrString(obj, "thisown", PyInt_FromLong(1));
-    }
-
-    return obj;
+    return wxPyConstructObject(ptr, className, classobj, setThisOwn);
 }
 
 //---------------------------------------------------------------------------
 
-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!)
-    //
+wxPyTState* wxPyBeginBlockThreads() {
+    wxPyTState* state = NULL;
 #ifdef WXP_WITH_THREAD
-    _wxPyNestCount += 1;
-    if (wxPyEventThreadState != myPyThreadState_Get()) {
-        PyEval_RestoreThread(wxPyEventThreadState);
-        return TRUE;
+    if (1) {   // Can I check if I've already got the lock?
+        state = new wxPyTState;
+        PyEval_AcquireLock();
+        state->newState = PyThreadState_New(wxPyInterpreter);
+        state->prevState = PyThreadState_Swap(state->newState);
     }
-    else
 #endif
-        return FALSE;
+    return state;
 }
 
 
-HELPEREXPORT void wxPySaveThread(bool doSave) {
+void wxPyEndBlockThreads(wxPyTState* state) {
 #ifdef WXP_WITH_THREAD
-    if (doSave) {
-        wxPyEventThreadState = PyEval_SaveThread();
+    if (state) {
+        PyThreadState_Swap(state->prevState);
+        PyThreadState_Clear(state->newState);
+        PyEval_ReleaseLock();
+        PyThreadState_Delete(state->newState);
+        delete state;
     }
-    _wxPyNestCount -= 1;
 #endif
 }
 
-//---------------------------------------------------------------------------
 
+//---------------------------------------------------------------------------
 
 IMPLEMENT_ABSTRACT_CLASS(wxPyCallback, wxObject);
 
@@ -343,9 +462,9 @@ wxPyCallback::wxPyCallback(const wxPyCallback& other) {
 }
 
 wxPyCallback::~wxPyCallback() {
-    bool doSave = wxPyRestoreThread();
+    wxPyTState* state = wxPyBeginBlockThreads();
     Py_DECREF(m_func);
-    wxPySaveThread(doSave);
+    wxPyEndBlockThreads(state);
 }
 
 
@@ -359,7 +478,7 @@ void wxPyCallback::EventThunker(wxEvent& event) {
     PyObject*       tuple;
 
 
-    bool doSave = wxPyRestoreThread();
+    wxPyTState* state = wxPyBeginBlockThreads();
     wxString className = event.GetClassInfo()->GetClassName();
 
     if (className == "wxPyEvent")
@@ -375,33 +494,16 @@ void wxPyCallback::EventThunker(wxEvent& event) {
     Py_DECREF(tuple);
     if (result) {
         Py_DECREF(result);
-        PyErr_Clear();
+        PyErr_Clear();       // Just in case...
     } else {
         PyErr_Print();
     }
-    wxPySaveThread(doSave);
+    wxPyEndBlockThreads(state);
 }
 
 
 //----------------------------------------------------------------------
 
-wxPyCallbackHelper::wxPyCallbackHelper() {
-    m_class = NULL;
-    m_self = NULL;
-    m_lastFound = NULL;
-    m_incRef = FALSE;
-}
-
-
-wxPyCallbackHelper::~wxPyCallbackHelper() {
-    bool doSave = wxPyRestoreThread();
-    if (m_incRef) {
-        Py_XDECREF(m_self);
-        Py_XDECREF(m_class);
-    }
-    wxPySaveThread(doSave);
-}
-
 wxPyCallbackHelper::wxPyCallbackHelper(const wxPyCallbackHelper& other) {
       m_lastFound = NULL;
       m_self = other.m_self;
@@ -427,12 +529,12 @@ 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 wxString& name) const {
+bool wxPyCallbackHelper::findCallback(const char* name) const {
     wxPyCallbackHelper* self = (wxPyCallbackHelper*)this; // cast away const
     self->m_lastFound = NULL;
-    if (m_self && PyObject_HasAttrString(m_self, (char*)name.c_str())) {
+    if (m_self && PyObject_HasAttrString(m_self, (char*)name)) {
         PyObject* method;
-        method = PyObject_GetAttrString(m_self, (char*)name.c_str());
+        method = PyObject_GetAttrString(m_self, (char*)name);
 
         if (PyMethod_Check(method) &&
             ((PyMethod_GET_CLASS(method) == m_class) ||
@@ -440,6 +542,9 @@ bool wxPyCallbackHelper::findCallback(const wxString& name) const {
 
             self->m_lastFound = method;
         }
+        else {
+            Py_DECREF(method);
+        }
     }
     return m_lastFound != NULL;
 }
@@ -461,10 +566,16 @@ 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.
 PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) const {
-    PyObject*   result;
+    PyObject* result;
+
+    // Save a copy of the pointer in case the callback generates another
+    // callback.  In that case m_lastFound will have a different value when
+    // it gets back here...
+    PyObject* method = m_lastFound;
 
-    result = PyEval_CallObject(m_lastFound, argTuple);
+    result = PyEval_CallObject(method, argTuple);
     Py_DECREF(argTuple);
+    Py_DECREF(method);
     if (!result) {
         PyErr_Print();
     }
@@ -472,10 +583,35 @@ PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) const {
 }
 
 
+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);
+}
+
+int  wxPyCBH_callCallback(const wxPyCallbackHelper& cbh, PyObject* argTuple) {
+    return cbh.callCallback(argTuple);
+}
+
+PyObject* wxPyCBH_callCallbackObj(const wxPyCallbackHelper& cbh, PyObject* argTuple) {
+    return cbh.callCallbackObj(argTuple);
+}
+
+
+void wxPyCBH_delete(wxPyCallbackHelper* cbh) {
+    if (cbh->m_incRef) {
+        wxPyTState* state = wxPyBeginBlockThreads();
+        Py_XDECREF(cbh->m_self);
+        Py_XDECREF(cbh->m_class);
+        wxPyEndBlockThreads(state);
+    }
+}
 
 //---------------------------------------------------------------------------
 //---------------------------------------------------------------------------
-// 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.
 
@@ -487,14 +623,14 @@ wxPyEvtSelfRef::wxPyEvtSelfRef() {
 }
 
 wxPyEvtSelfRef::~wxPyEvtSelfRef() {
-    bool doSave = wxPyRestoreThread();
+    wxPyTState* state = wxPyBeginBlockThreads();
     if (m_cloned)
         Py_DECREF(m_self);
-    wxPySaveThread(doSave);
+    wxPyEndBlockThreads(state);
 }
 
 void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) {
-    bool doSave = wxPyRestoreThread();
+    wxPyTState* state = wxPyBeginBlockThreads();
     if (m_cloned)
         Py_DECREF(m_self);
     m_self = self;
@@ -502,7 +638,7 @@ void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) {
         Py_INCREF(m_self);
         m_cloned = TRUE;
     }
-    wxPySaveThread(doSave);
+    wxPyEndBlockThreads(state);
 }
 
 PyObject* wxPyEvtSelfRef::GetSelf() const {
@@ -511,37 +647,41 @@ PyObject* wxPyEvtSelfRef::GetSelf() const {
 }
 
 
+IMPLEMENT_ABSTRACT_CLASS(wxPyEvent, wxEvent);
+IMPLEMENT_ABSTRACT_CLASS(wxPyCommandEvent, wxCommandEvent);
+
+
 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);
+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);
+wxPyCommandEvent::~wxPyCommandEvent() {
+}
+
 
 
 
@@ -555,9 +695,9 @@ wxPyTimer::wxPyTimer(PyObject* callback) {
 }
 
 wxPyTimer::~wxPyTimer() {
-    bool doSave = wxPyRestoreThread();
+    wxPyTState* state = wxPyBeginBlockThreads();
     Py_DECREF(func);
-    wxPySaveThread(doSave);
+    wxPyEndBlockThreads(state);
 }
 
 void wxPyTimer::Notify() {
@@ -565,7 +705,7 @@ void wxPyTimer::Notify() {
         wxTimer::Notify();
     }
     else {
-        bool doSave = wxPyRestoreThread();
+        wxPyTState* state = wxPyBeginBlockThreads();
 
         PyObject*   result;
         PyObject*   args = Py_BuildValue("()");
@@ -579,7 +719,7 @@ void wxPyTimer::Notify() {
             PyErr_Print();
         }
 
-        wxPySaveThread(doSave);
+        wxPyEndBlockThreads(state);
     }
 }
 
@@ -595,15 +735,15 @@ PyObject* wxPy_ConvertList(wxListBase* list, const char* className) {
     wxObject*   wxObj;
     wxNode*     node = list->First();
 
-    bool doSave = wxPyRestoreThread();
+    wxPyTState* state = wxPyBeginBlockThreads();
     pyList = PyList_New(0);
     while (node) {
         wxObj = node->Data();
-        pyObj = wxPyConstructObject(wxObj, className);
+        pyObj = wxPyMake_wxObject(wxObj); //wxPyConstructObject(wxObj, className);
         PyList_Append(pyList, pyObj);
         node = node->Next();
     }
-    wxPySaveThread(doSave);
+    wxPyEndBlockThreads(state);
     return pyList;
 }
 
@@ -722,43 +862,116 @@ 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)) {
+        point->x = (int)PyFloat_AS_DOUBLE(o1);
+        point->y = (int)PyFloat_AS_DOUBLE(o2);
+        return true;
+    }
+    if (PyInstance_Check(o1) || PyInstance_Check(o2)) {
+        // Disallow instances because they can cause havok
+        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;
+}
 
 
-wxPoint* wxPoint_LIST_helper(PyObject* source) {
-    if (!PyList_Check(source)) {
-        PyErr_SetString(PyExc_TypeError, "Expected a list object.");
-        return NULL;
+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* temp;
+    PyObject *o, *o1, *o2;
+    bool isFast = PyList_Check(source) || PyTuple_Check(source);
+
+    if (!PySequence_Check(source)) {
+        goto error0;
     }
-    int count = PyList_Size(source);
-    wxPoint* temp = new wxPoint[count];
-    if (! temp) {
+
+    // The length of the sequence is returned in count.
+    *count = PySequence_Length(source);
+    if (*count < 0) {
+        goto error0;
+    }
+
+    temp = new wxPoint[*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 (PyTuple_Check(o)) {
-            PyObject* o1 = PyTuple_GetItem(o, 0);
-            PyObject* o2 = PyTuple_GetItem(o, 1);
+    for (x=0; x<*count; x++) {
+        // Get an item: try fast way first.
+        if (isFast) {
+            o = PySequence_Fast_GET_ITEM(source, x);
+        }
+        else {
+            o = PySequence_GetItem(source, x);
+            if (o == NULL) {
+                goto error1;
+            }
+        }
 
-            temp[x].x = PyInt_AsLong(o1);
-            temp[x].y = PyInt_AsLong(o2);
+        // 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 (!wxPointFromObjects(o1, o2, &temp[x])) {
+                goto error2;
+            }
         }
         else if (PyInstance_Check(o)) {
             wxPoint* pt;
-            if (SWIG_GetPtrObj(o,(void **) &pt,"_wxPoint_p")) {
-                PyErr_SetString(PyExc_TypeError,"Expected _wxPoint_p.");
-                return NULL;
+            if (SWIG_GetPtrObj(o, (void **)&pt, "_wxPoint_p")) {
+                goto error2;
             }
             temp[x] = *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])) {
+                goto error3;
+            }
+            Py_DECREF(o1);
+            Py_DECREF(o2);
+        }
         else {
-            PyErr_SetString(PyExc_TypeError, "Expected a list of 2-tuples or wxPoints.");
-            return NULL;
+            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 wxPoints.");
+    return NULL;
 }
+// end of patch
+//------------------------------
 
 
 wxBitmap** wxBitmap_LIST_helper(PyObject* source) {
@@ -805,11 +1018,24 @@ 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;
+        }
+
+        char* buff;
+        int   length;
+        if (PyString_AsStringAndSize(o, &buff, &length) == -1)
+            return NULL;
+        temp[x] = wxString(buff, length);
+#else
         if (! PyString_Check(o)) {
             PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
             return NULL;
         }
         temp[x] = PyString_AsString(o);
+#endif
     }
     return temp;
 }
@@ -840,10 +1066,7 @@ 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.");
@@ -854,6 +1077,99 @@ 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 (PyInstance_Check(o)) {
+            wxPen*  pt;
+            if (SWIG_GetPtrObj(o, (void **) &pt,"_wxPen_p")) {
+                delete temp;
+                PyErr_SetString(PyExc_TypeError,"Expected _wxPen_p.");
+                return NULL;
+            }
+            temp[x] = pt;
+        }
+        else {
+            delete temp;
+            PyErr_SetString(PyExc_TypeError, "Expected a list of wxPens.");
+            return NULL;
+        }
+    }
+    return temp;
+}
+
+
+bool _2int_seq_helper(PyObject* source, int* i1, int* i2) {
+    bool isFast = PyList_Check(source) || PyTuple_Check(source);
+    PyObject *o1, *o2;
+
+    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);
+    }
+    else {
+        o1 = PySequence_GetItem(source, 0);
+        o2 = PySequence_GetItem(source, 1);
+    }
+
+    *i1 = PyInt_AsLong(o1);
+    *i2 = PyInt_AsLong(o2);
+
+    if (! isFast) {
+        Py_DECREF(o1);
+        Py_DECREF(o2);
+    }
+    return TRUE;
+}
+
+
+bool _4int_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);
+    }
+    else {
+        o1 = PySequence_GetItem(source, 0);
+        o2 = PySequence_GetItem(source, 1);
+        o3 = PySequence_GetItem(source, 2);
+        o4 = PySequence_GetItem(source, 3);
+    }
+
+    *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;
+}
+
 
 //----------------------------------------------------------------------
 
@@ -890,14 +1206,21 @@ bool wxPoint_helper(PyObject* source, wxPoint** obj) {
         *obj = ptr;
         return TRUE;
     }
-    // otherwise a 2-tuple of integers is expected
-    else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
+    // 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);
-        **obj = wxPoint(PyInt_AsLong(o1), PyInt_AsLong(o2));
+               // 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;
     }
-
  error:
     PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of integers or a wxPoint object.");
     return FALSE;
@@ -972,7 +1295,7 @@ bool wxColour_helper(PyObject* source, wxColour** obj) {
     // otherwise a string is expected
     else if (PyString_Check(source)) {
         wxString spec = PyString_AS_STRING(source);
-        if (spec[0] == '#' && spec.Length() == 7) {  // It's  #RRGGBB
+        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);
@@ -987,14 +1310,28 @@ bool wxColour_helper(PyObject* source, wxColour** obj) {
     }
 
  error:
-    PyErr_SetString(PyExc_TypeError, "Expected a wxColour object or a string containing a colour name or #RRGGBB.");
+    PyErr_SetString(PyExc_TypeError, "Expected a wxColour object or a string containing a colour name or '#RRGGBB'.");
     return FALSE;
 }
 
 
 //----------------------------------------------------------------------
+
+PyObject* wxArrayString2PyList_helper(const wxArrayString& arr) {
+
+    PyObject* list = PyList_New(0);
+    for (size_t i=0; i < arr.GetCount(); i++) {
+        PyObject* str = PyString_FromString(arr[i].c_str());
+        PyList_Append(list, str);
+        Py_DECREF(str);
+    }
+    return list;
+}
+
+
 //----------------------------------------------------------------------
 //----------------------------------------------------------------------
 
 
 
+