void WXDLLEXPORT wxEntryCleanup();
wxPyApp* wxPythonApp = NULL; // Global instance of application object
+bool wxPyDoCleanup = FALSE;
#ifdef WXP_WITH_THREAD
LPVOID lpvReserved // reserved
)
{
- wxSetInstance(hinstDLL);
- return 1;
+ // If wxPython is embedded in another wxWindows app then
+ // the inatance has already been set.
+ if (! wxGetInstance())
+ wxSetInstance(hinstDLL);
+ return TRUE;
}
#endif
wxPyTMutex = new wxMutex;
#endif
- // Bail out if there is already windows created. This means that the
+ wxApp::CheckBuildOptions(wxBuildOptions());
+
+ // Bail out if there is already a wxApp created. This means that the
// toolkit has already been initialized, as in embedding wxPython in
- // a C++ wxWindows app.
- if (wxTopLevelWindows.Number() > 0)
+ // a C++ wxWindows app, so we don't need to call wxEntryStart.
+ if (wxTheApp != NULL) {
return;
-
+ }
+ wxPyDoCleanup = TRUE;
int argc = 0;
char** argv = NULL;
void __wxCleanup() {
- wxEntryCleanup();
+ if (wxPyDoCleanup)
+ wxEntryCleanup();
#ifdef WXP_WITH_THREAD
delete wxPyTMutex;
wxPyTMutex = NULL;
static PyObject* wxPython_dict = NULL;
static PyObject* wxPyPtrTypeMap = NULL;
+
PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
{
return Py_None;
}
+//---------------------------------------------------------------------------
+
+void wxPyClientData_dtor(wxPyClientData* self) {
+ wxPyBeginBlockThreads();
+ Py_DECREF(self->m_obj);
+ wxPyEndBlockThreads();
+}
+
+void wxPyUserData_dtor(wxPyUserData* self) {
+ wxPyBeginBlockThreads();
+ Py_DECREF(self->m_obj);
+ wxPyEndBlockThreads();
+}
+
+
+// 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 _extras.py for the implementation of this class.
+void wxPyOORClientData_dtor(wxPyOORClientData* self) {
+
+ static PyObject* deadObjectClass = NULL;
+
+ wxPyBeginBlockThreads();
+ if (deadObjectClass == NULL) {
+ deadObjectClass = PyDict_GetItemString(wxPython_dict, "_wxPyDeadObject");
+ wxASSERT_MSG(deadObjectClass != NULL, wxT("Can't get _wxPyDeadObject class!"));
+ Py_INCREF(deadObjectClass);
+ }
+
+ // Clear the instance's dictionary, put the name of the old class into the
+ // instance, and then reset the class to be the dead class.
+ if (self->m_obj->ob_refcnt > 1) { // but only if there is more than one reference
+ wxASSERT_MSG(PyInstance_Check(self->m_obj), wxT("m_obj not an instance!?!?!"));
+ PyInstanceObject* inst = (PyInstanceObject*)self->m_obj;
+ PyDict_Clear(inst->in_dict);
+ PyDict_SetItemString(inst->in_dict, "_name", inst->in_class->cl_name);
+ inst->in_class = (PyClassObject*)deadObjectClass;
+ Py_INCREF(deadObjectClass);
+ }
+ wxPyEndBlockThreads();
+}
//---------------------------------------------------------------------------
// Stuff used by OOR to find the right wxPython class type to return and to
// 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();
if (checkEvtHandler && wxIsKindOf(source, wxEvtHandler)) {
isEvtHandler = TRUE;
wxEvtHandler* eh = (wxEvtHandler*)source;
- wxPyClientData* data = (wxPyClientData*)eh->GetClientObject();
+ wxPyOORClientData* data = (wxPyOORClientData*)eh->GetClientObject();
if (data) {
target = data->m_obj;
Py_INCREF(target);
if (info) {
target = wxPyConstructObject(source, name, klass, FALSE);
if (target && isEvtHandler)
- ((wxEvtHandler*)source)->SetClientObject(new wxPyClientData(target));
+ ((wxEvtHandler*)source)->SetClientObject(new wxPyOORClientData(target));
} else {
- wxString msg("wxPython class not found for ");
+ wxString msg(wxT("wxPython class not found for "));
msg += source->GetClassInfo()->GetClassName();
PyErr_SetString(PyExc_NameError, msg.mbc_str());
target = NULL;
// 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();
+ wxPyOORClientData* data = (wxPyOORClientData*)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));
+ ((wxSizer*)source)->SetClientObject(new wxPyOORClientData(target));
}
return target;
}
PyObject* wxPyConstructObject(void* ptr,
const wxString& className,
int setThisOwn) {
- PyObject* obj;
-
if (!ptr) {
Py_INCREF(Py_None);
return Py_None;
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;
+ wxString msg(wxT("wxPython class not found for "));
+ msg += className;
+ PyErr_SetString(PyExc_NameError, msg.mbc_str());
+ return NULL;
}
return wxPyConstructObject(ptr, className, classobj, setThisOwn);
projects / wxWidgets.git / blobdiff