X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e9159fe8e8f1b3653c506805cbb79280aa2a0f38..bffe56c5d19df9926686722fc09ad096afb47633:/wxPython/src/helpers.cpp diff --git a/wxPython/src/helpers.cpp b/wxPython/src/helpers.cpp index 8d602244e0..992ff622a6 100644 --- a/wxPython/src/helpers.cpp +++ b/wxPython/src/helpers.cpp @@ -10,7 +10,6 @@ // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// -#include // get the correct definition of NULL #undef DEBUG #include @@ -29,7 +28,6 @@ #include #endif - //---------------------------------------------------------------------- #if PYTHON_API_VERSION <= 1007 && wxUSE_UNICODE @@ -47,6 +45,7 @@ int WXDLLEXPORT wxEntryInitGui(); void WXDLLEXPORT wxEntryCleanup(); wxPyApp* wxPythonApp = NULL; // Global instance of application object +bool wxPyDoCleanup = FALSE; #ifdef WXP_WITH_THREAD @@ -79,8 +78,11 @@ BOOL WINAPI DllMain( 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 @@ -90,11 +92,10 @@ BOOL WINAPI DllMain( wxPyApp::wxPyApp() { -// printf("**** ctor\n"); + SetUseBestVisual(TRUE); } wxPyApp::~wxPyApp() { -// printf("**** dtor\n"); } @@ -114,6 +115,10 @@ int wxPyApp::MainLoop() { #endif if (initialized) { + if ( m_exitOnFrameDelete == Later ) { + m_exitOnFrameDelete = Yes; + } + retval = wxApp::MainLoop(); OnExit(); } @@ -178,12 +183,15 @@ void __wxPreStart() 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; @@ -221,13 +229,6 @@ 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; wxChar** argv = NULL; @@ -280,7 +281,8 @@ PyObject* __wxStart(PyObject* /* self */, PyObject* args) void __wxCleanup() { - wxEntryCleanup(); + if (wxPyDoCleanup) + wxEntryCleanup(); #ifdef WXP_WITH_THREAD delete wxPyTMutex; wxPyTMutex = NULL; @@ -295,6 +297,7 @@ void __wxCleanup() { static PyObject* wxPython_dict = NULL; static PyObject* wxPyPtrTypeMap = NULL; + PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args) { @@ -327,13 +330,66 @@ PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args) #define wxPlatform "__WXMAC__" #endif +#ifdef __WXDEBUG__ + int wxdebug = 1; +#else + int wxdebug = 0; +#endif + PyDict_SetItemString(wxPython_dict, "wxPlatform", PyString_FromString(wxPlatform)); PyDict_SetItemString(wxPython_dict, "wxUSE_UNICODE", PyInt_FromLong(wxUSE_UNICODE)); + PyDict_SetItemString(wxPython_dict, "__WXDEBUG__", PyInt_FromLong(wxdebug)); Py_INCREF(Py_None); 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 @@ -344,6 +400,7 @@ 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(); @@ -379,7 +436,7 @@ PyObject* wxPyMake_wxObject(wxObject* source, bool checkEvtHandler) { 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); @@ -400,9 +457,9 @@ PyObject* wxPyMake_wxObject(wxObject* source, bool checkEvtHandler) { 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; @@ -423,7 +480,7 @@ PyObject* wxPyMake_wxSizer(wxSizer* source) { // 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); @@ -432,7 +489,7 @@ PyObject* wxPyMake_wxSizer(wxSizer* source) { 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; } @@ -476,8 +533,6 @@ PyObject* wxPyConstructObject(void* ptr, PyObject* wxPyConstructObject(void* ptr, const wxString& className, int setThisOwn) { - PyObject* obj; - if (!ptr) { Py_INCREF(Py_None); return Py_None; @@ -490,12 +545,10 @@ PyObject* wxPyConstructObject(void* ptr, 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); @@ -544,7 +597,15 @@ void wxPySaveThreadState(PyThreadState* tstate) { for(size_t i=0; i < wxPyTStates->GetCount(); i++) { wxPyThreadState& info = wxPyTStates->Item(i); if (info.tid == ctid) { - info.tstate = tstate; +#if 0 + if (info.tstate != tstate) + wxLogMessage("*** tstate mismatch!???"); +#endif + // info.tstate = tstate; *** DO NOT update existing ones??? + // 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; } @@ -591,8 +652,9 @@ void wxPyBeginBlockThreads() { void wxPyEndBlockThreads() { #ifdef WXP_WITH_THREAD - PyThreadState* tstate = PyEval_SaveThread(); // Is there any need to save it again? + // PyThreadState* tstate = + PyEval_SaveThread(); #endif } @@ -775,6 +837,11 @@ wxPyCBInputStream* wxPyCBInputStream::create(PyObject *py, bool block) { return new wxPyCBInputStream(read, seek, tell, block); } + +wxPyCBInputStream* wxPyCBInputStream_create(PyObject *py, bool block) { + return wxPyCBInputStream::create(py, block); +} + PyObject* wxPyCBInputStream::getMethod(PyObject* py, char* name) { if (!PyObject_HasAttrString(py, name)) return NULL; @@ -1777,7 +1844,14 @@ bool wxSize_helper(PyObject* source, wxSize** obj) { 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 = wxSize(PyInt_AsLong(o1), PyInt_AsLong(o2)); + Py_DECREF(o1); + Py_DECREF(o2); return TRUE; } @@ -1800,15 +1874,15 @@ bool wxPoint_helper(PyObject* source, wxPoint** obj) { 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); + // 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: @@ -1832,7 +1906,14 @@ bool wxRealPoint_helper(PyObject* source, wxRealPoint** obj) { 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)); + Py_DECREF(o1); + Py_DECREF(o2); return TRUE; } @@ -1860,8 +1941,20 @@ 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)); + PyInt_AsLong(o3), PyInt_AsLong(o4)); + Py_DECREF(o1); + Py_DECREF(o2); + Py_DECREF(o3); + Py_DECREF(o4); return TRUE; }