X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/493f1553fdfd276ed9944c5f1c070ee34be13b52..a92b0cfd2bd0bef75b43c071df0b0e028f360d8e:/wxPython/src/helpers.cpp?ds=sidebyside diff --git a/wxPython/src/helpers.cpp b/wxPython/src/helpers.cpp index d6492ce70e..8216a27e4e 100644 --- a/wxPython/src/helpers.cpp +++ b/wxPython/src/helpers.cpp @@ -18,11 +18,7 @@ #ifdef __WXMSW__ #include -#undef FindWindow -#undef GetCharWidth -#undef LoadAccelerators -#undef GetClassInfo -#undef GetClassName +#include #endif #ifdef __WXGTK__ @@ -101,7 +97,7 @@ void WXDLLEXPORT wxEntryCleanup(); #ifdef WXP_WITH_THREAD -PyThreadState* wxPyEventThreadState = NULL; +PyInterpreterState* wxPyInterpreter = NULL; #endif @@ -117,7 +113,7 @@ void __wxPreStart() #ifdef WXP_WITH_THREAD PyEval_InitThreads(); - wxPyEventThreadState = PyThreadState_Get(); // PyThreadState_New(PyThreadState_Get()->interp); + wxPyInterpreter = PyThreadState_Get()->interp; #endif // Bail out if there is already windows created. This means that the @@ -287,25 +283,45 @@ PyObject* wxPyClassExists(const char* className) { } -PyObject* wxPyMake_wxObject(wxObject* source) { - PyObject* target; +PyObject* wxPyMake_wxObject(wxObject* source, bool checkEvtHandler) { + PyObject* target = NULL; + bool isEvtHandler = 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; + wxPyClientData* data = (wxPyClientData*)eh->GetClientObject(); + if (data) { + target = data->m_obj; + 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()); - target = NULL; + + 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; @@ -313,6 +329,31 @@ PyObject* wxPyMake_wxObject(wxObject* source) { 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, @@ -357,8 +398,10 @@ PyObject* wxPyConstructObject(void* ptr, } char buff[64]; // should always be big enough... - sprintf(buff, "%sPtr", className); + + wxASSERT_MSG(wxPython_dict, "wxPython_dict is not set yet!!"); + PyObject* classobj = PyDict_GetItemString(wxPython_dict, buff); if (! classobj) { char temp[128]; @@ -374,43 +417,35 @@ PyObject* wxPyConstructObject(void* ptr, //--------------------------------------------------------------------------- -static PyThreadState* myPyThreadState_Get() { - PyThreadState* current; - current = PyThreadState_Swap(NULL); - PyThreadState_Swap(current); - return current; -} - -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 - if (wxPyEventThreadState != myPyThreadState_Get()) { - PyEval_AcquireThread(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; } -void wxPySaveThread(bool doSave) { +void wxPyEndBlockThreads(wxPyTState* state) { #ifdef WXP_WITH_THREAD - if (doSave) { - PyEval_ReleaseThread(wxPyEventThreadState); + if (state) { + PyThreadState_Swap(state->prevState); + PyThreadState_Clear(state->newState); + PyEval_ReleaseLock(); + PyThreadState_Delete(state->newState); + delete state; } #endif } -//--------------------------------------------------------------------------- +//--------------------------------------------------------------------------- IMPLEMENT_ABSTRACT_CLASS(wxPyCallback, wxObject); @@ -425,9 +460,9 @@ wxPyCallback::wxPyCallback(const wxPyCallback& other) { } wxPyCallback::~wxPyCallback() { - bool doSave = wxPyRestoreThread(); + wxPyTState* state = wxPyBeginBlockThreads(); Py_DECREF(m_func); - wxPySaveThread(doSave); + wxPyEndBlockThreads(state); } @@ -441,7 +476,7 @@ void wxPyCallback::EventThunker(wxEvent& event) { PyObject* tuple; - bool doSave = wxPyRestoreThread(); + wxPyTState* state = wxPyBeginBlockThreads(); wxString className = event.GetClassInfo()->GetClassName(); if (className == "wxPyEvent") @@ -457,11 +492,11 @@ 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); } @@ -489,20 +524,101 @@ 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. +#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 if 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 actuallt 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 + // (TODO: This part is not tested yet, so I'm not sure it is correct...) + 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; + } +} +#endif + + +static +PyObject* PyMethod_GetDefiningClass(PyObject* method, const char* name) +{ + 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... + + PyObject* nameo = PyString_FromString(name); + PyObject* klass = PyFindClassWithAttr(mgc, nameo); + Py_DECREF(nameo); + return klass; +#endif +} + + + bool wxPyCallbackHelper::findCallback(const char* name) const { wxPyCallbackHelper* self = (wxPyCallbackHelper*)this; // cast away const self->m_lastFound = NULL; + + // If the object (m_self) has an attibute of the given name... if (m_self && PyObject_HasAttrString(m_self, (char*)name)) { - PyObject* method; + PyObject *method, *klass; method = PyObject_GetAttrString(m_self, (char*)name); + // ...and if that attribute is a method, and if that method's class is + // not from a base class... if (PyMethod_Check(method) && - ((PyMethod_GET_CLASS(method) == m_class) || - PyClass_IsSubclass(PyMethod_GET_CLASS(method), m_class))) { + (klass = PyMethod_GetDefiningClass(method, (char*)name)) != NULL && + ((klass == m_class) || PyClass_IsSubclass(klass, m_class))) { + // ...then we'll save a pointer to the method so callCallback can call it. self->m_lastFound = method; } else { @@ -546,7 +662,7 @@ 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); } @@ -564,17 +680,17 @@ PyObject* wxPyCBH_callCallbackObj(const wxPyCallbackHelper& cbh, PyObject* argTu void wxPyCBH_delete(wxPyCallbackHelper* cbh) { - bool doSave = wxPyRestoreThread(); if (cbh->m_incRef) { + wxPyTState* state = wxPyBeginBlockThreads(); Py_XDECREF(cbh->m_self); Py_XDECREF(cbh->m_class); + wxPyEndBlockThreads(state); } - 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. @@ -586,14 +702,14 @@ 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; @@ -601,7 +717,7 @@ void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) { Py_INCREF(m_self); m_cloned = TRUE; } - wxPySaveThread(doSave); + wxPyEndBlockThreads(state); } PyObject* wxPyEvtSelfRef::GetSelf() const { @@ -610,37 +726,41 @@ 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() { +} + @@ -654,9 +774,9 @@ wxPyTimer::wxPyTimer(PyObject* callback) { } wxPyTimer::~wxPyTimer() { - bool doSave = wxPyRestoreThread(); + wxPyTState* state = wxPyBeginBlockThreads(); Py_DECREF(func); - wxPySaveThread(doSave); + wxPyEndBlockThreads(state); } void wxPyTimer::Notify() { @@ -664,7 +784,7 @@ void wxPyTimer::Notify() { wxTimer::Notify(); } else { - bool doSave = wxPyRestoreThread(); + wxPyTState* state = wxPyBeginBlockThreads(); PyObject* result; PyObject* args = Py_BuildValue("()"); @@ -678,7 +798,7 @@ void wxPyTimer::Notify() { PyErr_Print(); } - wxPySaveThread(doSave); + wxPyEndBlockThreads(state); } } @@ -694,7 +814,7 @@ 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(); @@ -702,7 +822,7 @@ PyObject* wxPy_ConvertList(wxListBase* list, const char* className) { PyList_Append(pyList, pyObj); node = node->Next(); } - wxPySaveThread(doSave); + wxPyEndBlockThreads(state); return pyList; } @@ -848,23 +968,19 @@ static inline bool wxPointFromObjects(PyObject* o1, PyObject* o2, wxPoint* point } -#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 - 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; - 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; @@ -981,11 +1097,24 @@ wxString* wxString_LIST_helper(PyObject* source) { } for (int x=0; x= 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; } @@ -1016,10 +1145,7 @@ 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."); @@ -1030,6 +1156,99 @@ 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