X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1112b0c68cd2856de96f86dc569fc4c78f60582d..5bf2abe34850e0952a44f3be4a4390ea12c55bd0:/wxPython/src/helpers.cpp?ds=inline diff --git a/wxPython/src/helpers.cpp b/wxPython/src/helpers.cpp index d07600f82b..c9994a4cfb 100644 --- a/wxPython/src/helpers.cpp +++ b/wxPython/src/helpers.cpp @@ -29,12 +29,6 @@ #include #include #include -//#include -//#include -//#include - -//extern GtkWidget *wxRootWindow; - #endif @@ -107,7 +101,8 @@ void WXDLLEXPORT wxEntryCleanup(); #ifdef WXP_WITH_THREAD -PyThreadState* wxPyEventThreadState = NULL; +//PyThreadState* wxPyEventThreadState = NULL; +PyInterpreterState* wxPyInterpreter = NULL; #endif @@ -122,13 +117,9 @@ void __wxPreStart() #endif #ifdef WXP_WITH_THREAD -#if 0 // OLD THREAD STUFF PyEval_InitThreads(); - wxPyEventThreadState = PyThreadState_Get(); -#else - PyEval_InitThreads(); - wxPyEventThreadState = PyThreadState_New(PyThreadState_Get()->interp); -#endif +// 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 @@ -138,13 +129,17 @@ 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; xargc = argc; wxPythonApp->argv = argv; @@ -215,7 +213,9 @@ void __wxCleanup() { -PyObject* wxPython_dict; +static PyObject* wxPython_dict = NULL; +static PyObject* wxPyPtrTypeMap = NULL; + PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args) { @@ -226,6 +226,12 @@ 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 @@ -249,13 +255,103 @@ 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) { + PyObject* target; + + 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 (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; + } + } else { // source was NULL so return None. + Py_INCREF(Py_None); target = Py_None; + } + return target; +} + //--------------------------------------------------------------------------- PyObject* wxPyConstructObject(void* ptr, 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); @@ -263,16 +359,10 @@ 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 ***", @@ -281,72 +371,76 @@ PyObject* wxPyConstructObject(void* ptr, return obj; } - arg = Py_BuildValue("(s)", swigptr); - obj = PyInstance_New(classobj, arg, NULL); - Py_DECREF(arg); - - if (setThisOwn) { - PyObject* one = PyInt_FromLong(1); - PyObject_SetAttrString(obj, "thisown", one); - Py_DECREF(one); - } - - return obj; + return wxPyConstructObject(ptr, className, classobj, setThisOwn); } //--------------------------------------------------------------------------- -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!) - // +// 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!) +// // +// #ifdef WXP_WITH_THREAD +// if (wxPyEventThreadState != myPyThreadState_Get()) { +// PyEval_AcquireThread(wxPyEventThreadState); +// return TRUE; +// } +// else +// #endif +// return FALSE; +// } + + +// void wxPySaveThread(bool doSave) { +// #ifdef WXP_WITH_THREAD +// if (doSave) { +// PyEval_ReleaseThread(wxPyEventThreadState); +// } +// #endif +// } + + + +wxPyTState* wxPyBeginBlockThreads() { + wxPyTState* state = NULL; #ifdef WXP_WITH_THREAD -#if 0 // OLD THREAD STUFF - if (wxPyEventThreadState != myPyThreadState_Get()) { - PyEval_RestoreThread(wxPyEventThreadState); - return TRUE; - } - else -#else - 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 -#endif - return FALSE; + return state; } -void wxPySaveThread(bool doSave) { +void wxPyEndBlockThreads(wxPyTState* state) { #ifdef WXP_WITH_THREAD -#if 0 // OLD THREAD STUFF - if (doSave) { - wxPyEventThreadState = PyEval_SaveThread(); - } -#else - if (doSave) { - PyEval_ReleaseThread(wxPyEventThreadState); + if (state) { + PyThreadState_Swap(state->prevState); + PyThreadState_Clear(state->newState); + PyEval_ReleaseLock(); + PyThreadState_Delete(state->newState); + delete state; } #endif -#endif } -//--------------------------------------------------------------------------- +//--------------------------------------------------------------------------- IMPLEMENT_ABSTRACT_CLASS(wxPyCallback, wxObject); @@ -361,9 +455,9 @@ wxPyCallback::wxPyCallback(const wxPyCallback& other) { } wxPyCallback::~wxPyCallback() { - bool doSave = wxPyRestoreThread(); + wxPyTState* state = wxPyBeginBlockThreads(); Py_DECREF(m_func); - wxPySaveThread(doSave); + wxPyEndBlockThreads(state); } @@ -377,7 +471,7 @@ void wxPyCallback::EventThunker(wxEvent& event) { PyObject* tuple; - bool doSave = wxPyRestoreThread(); + wxPyTState* state = wxPyBeginBlockThreads(); wxString className = event.GetClassInfo()->GetClassName(); if (className == "wxPyEvent") @@ -393,11 +487,11 @@ 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); } @@ -500,12 +594,12 @@ 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); } //--------------------------------------------------------------------------- @@ -522,14 +616,14 @@ 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; @@ -537,7 +631,7 @@ void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) { Py_INCREF(m_self); m_cloned = TRUE; } - wxPySaveThread(doSave); + wxPyEndBlockThreads(state); } PyObject* wxPyEvtSelfRef::GetSelf() const { @@ -590,9 +684,9 @@ wxPyTimer::wxPyTimer(PyObject* callback) { } wxPyTimer::~wxPyTimer() { - bool doSave = wxPyRestoreThread(); + wxPyTState* state = wxPyBeginBlockThreads(); Py_DECREF(func); - wxPySaveThread(doSave); + wxPyEndBlockThreads(state); } void wxPyTimer::Notify() { @@ -600,7 +694,7 @@ void wxPyTimer::Notify() { wxTimer::Notify(); } else { - bool doSave = wxPyRestoreThread(); + wxPyTState* state = wxPyBeginBlockThreads(); PyObject* result; PyObject* args = Py_BuildValue("()"); @@ -614,7 +708,7 @@ void wxPyTimer::Notify() { PyErr_Print(); } - wxPySaveThread(doSave); + wxPyEndBlockThreads(state); } } @@ -630,15 +724,15 @@ 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; } @@ -757,43 +851,120 @@ 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; +#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); + + // The length of the sequence is returned in count. + if (!PySequence_Check(source)) { + goto error0; } - int count = PyList_Size(source); - wxPoint* temp = new wxPoint[count]; - if (! temp) { + *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