X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bd07485ce310b193d1a678b3bcd6d63e3d8bac19..b93f7ba6340814fbd63df4004812e05ba75ef9ff:/wxPython/src/helpers.cpp diff --git a/wxPython/src/helpers.cpp b/wxPython/src/helpers.cpp index cac45b0cbc..7bfbb60175 100644 --- a/wxPython/src/helpers.cpp +++ b/wxPython/src/helpers.cpp @@ -15,6 +15,8 @@ #include #include "wx/wxPython/wxPython_int.h" #include "wx/wxPython/pyistream.h" +#include "wx/wxPython/swigver.h" +#include "wx/wxPython/twoitem.h" #ifdef __WXMSW__ #include @@ -29,8 +31,8 @@ #include #include #define GetXWindow(wxwin) (wxwin)->m_wxwindow ? \ - GDK_WINDOW_XWINDOW(GTK_PIZZA((wxwin)->m_wxwindow)->bin_window) : \ - GDK_WINDOW_XWINDOW((wxwin)->m_widget->window) + GDK_WINDOW_XWINDOW(GTK_PIZZA((wxwin)->m_wxwindow)->bin_window) : \ + GDK_WINDOW_XWINDOW((wxwin)->m_widget->window) #include #endif @@ -126,6 +128,8 @@ wxPyApp::wxPyApp() { wxPyApp::~wxPyApp() { + wxPythonApp = NULL; + wxApp::SetInstance(NULL); } @@ -174,22 +178,36 @@ int wxPyApp::OnExit() { } -#ifdef __WXDEBUG__ -void wxPyApp::OnAssert(const wxChar *file, - int line, - const wxChar *cond, - const wxChar *msg) { +void wxPyApp::ExitMainLoop() { + bool found; + wxPyBlock_t blocked = wxPyBeginBlockThreads(); + if ((found = wxPyCBH_findCallback(m_myInst, "ExitMainLoop"))) + wxPyCBH_callCallback(m_myInst, Py_BuildValue("()")); + wxPyEndBlockThreads(blocked); + if (! found) + wxApp::ExitMainLoop(); +} + + +#ifdef __WXDEBUG__ +void wxPyApp::OnAssertFailure(const wxChar *file, + int line, + const wxChar *func, + const wxChar *cond, + const wxChar *msg) +{ // if we're not fully initialized then just log the error if (! m_startupComplete) { wxString buf; buf.Alloc(4096); buf.Printf(wxT("%s(%d): assert \"%s\" failed"), file, line, cond); - if (msg != NULL) { - buf += wxT(": "); - buf += msg; - } + if ( func && *func ) + buf << wxT(" in ") << func << wxT("()"); + if (msg != NULL) + buf << wxT(": ") << msg; + wxLogDebug(buf); return; } @@ -223,11 +241,12 @@ void wxPyApp::OnAssert(const wxChar *file, if (m_assertMode & wxPYAPP_ASSERT_EXCEPTION) { wxString buf; buf.Alloc(4096); - buf.Printf(wxT("C++ assertion \"%s\" failed in %s(%d)"), cond, file, line); - if (msg != NULL) { - buf += wxT(": "); - buf += msg; - } + buf.Printf(wxT("C++ assertion \"%s\" failed at %s(%d)"), cond, file, line); + if ( func && *func ) + buf << wxT(" in ") << func << wxT("()"); + if (msg != NULL) + buf << wxT(": ") << msg; + // set the exception wxPyBlock_t blocked = wxPyBeginBlockThreads(); @@ -248,16 +267,16 @@ void wxPyApp::OnAssert(const wxChar *file, buf.Alloc(4096); buf.Printf(wxT("%s(%d): assert \"%s\" failed"), file, line, cond); - if (msg != NULL) { - buf += wxT(": "); - buf += msg; - } + if ( func && *func ) + buf << wxT(" in ") << func << wxT("()"); + if (msg != NULL) + buf << wxT(": ") << msg; wxLogDebug(buf); } // do the normal wx assert dialog? if (m_assertMode & wxPYAPP_ASSERT_DIALOG) - wxApp::OnAssert(file, line, cond, msg); + wxApp::OnAssertFailure(file, line, func, cond, msg); } } #endif @@ -304,11 +323,7 @@ void wxPyApp::MacReopenApp() /*static*/ bool wxPyApp::GetMacSupportPCMenuShortcuts() { -#ifdef __WXMAC__ - return s_macSupportPCMenuShortcuts; -#else return 0; -#endif } /*static*/ @@ -348,10 +363,7 @@ wxString wxPyApp::GetMacHelpMenuTitleName() { } /*static*/ -void wxPyApp::SetMacSupportPCMenuShortcuts(bool val) { -#ifdef __WXMAC__ - s_macSupportPCMenuShortcuts = val; -#endif +void wxPyApp::SetMacSupportPCMenuShortcuts(bool) { } /*static*/ @@ -408,11 +420,11 @@ void wxPyApp::_BootstrapApp() if (sysargv != NULL && executable != NULL) { argc = PyList_Size(sysargv) + 1; argv = new char*[argc+1]; - argv[0] = PyString_AsString(executable); + argv[0] = strdup(PyString_AsString(executable)); int x; for(x=1; xargc = 0; + this->argv = NULL; + } + // It's now ok to generate exceptions for assertion errors. wxPythonApp->SetStartupComplete(true); - // Call the Python wxApp's OnInit function + + // Call the Python wxApp's OnPreInit and OnInit functions blocked = wxPyBeginBlockThreads(); + if (wxPyCBH_findCallback(m_myInst, "OnPreInit")) { + PyObject* method = m_myInst.GetLastFound(); + PyObject* argTuple = PyTuple_New(0); + retval = PyEval_CallObject(method, argTuple); + m_myInst.clearRecursionGuard(method); + Py_DECREF(argTuple); + Py_DECREF(method); + if (retval == NULL) + goto error; + } if (wxPyCBH_findCallback(m_myInst, "OnInit")) { PyObject* method = m_myInst.GetLastFound(); PyObject* argTuple = PyTuple_New(0); retval = PyEval_CallObject(method, argTuple); + m_myInst.clearRecursionGuard(method); Py_DECREF(argTuple); Py_DECREF(method); if (retval == NULL) + // Don't PyErr_Print here, let the exception in this case go back + // up to the wx.PyApp.__init__ scope. goto error; pyint = PyNumber_Int(retval); @@ -567,9 +594,6 @@ void __wxPyPreStart(PyObject* moduleDict) // Ensure that the build options in the DLL (or whatever) match this build wxApp::CheckBuildOptions(WX_BUILD_OPTIONS_SIGNATURE, "wxPython"); - // Init the stock objects to a non-NULL value so SWIG doesn't create them as None - wxPy_ReinitStockObjects(1); - wxInitAllImageHandlers(); } @@ -683,7 +707,20 @@ PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args) #else _AddInfoString("wx-assertions-off"); #endif - + _AddInfoString(wxPy_SWIG_VERSION); +#ifdef __WXMAC__ + #if wxMAC_USE_CORE_GRAPHICS + _AddInfoString("mac-cg"); + #else + _AddInfoString("mac-qd"); + #endif + #if wxMAC_USE_NATIVE_TOOLBAR + _AddInfoString("mac-native-tb"); + #else + _AddInfoString("mac-no-native-tb"); + #endif +#endif + #undef _AddInfoString PyObject* PlatInfoTuple = PyList_AsTuple(PlatInfo); @@ -694,178 +731,6 @@ PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args) } -//--------------------------------------------------------------------------- - -// Python's PyInstance_Check does not return True for instances of new-style -// classes. This should get close enough for both new and old classes but I -// should re-evaluate the need for doing instance checks... -bool wxPyInstance_Check(PyObject* obj) { - return PyObject_HasAttrString(obj, "__class__") != 0; -} - - -// This one checks if the object is an instance of a SWIG proxy class (it has -// a .this attribute) -bool wxPySwigInstance_Check(PyObject* obj) { - return PyObject_HasAttrString(obj, "this") != 0; -} - -//--------------------------------------------------------------------------- - -// The stock objects are no longer created when the wx._core_ module is -// imported, but only after the app object has been created. The -// wxPy_ReinitStockObjects function will be called 3 times to pass the stock -// objects though various stages of evolution: -// -// pass 1: Set all the pointers to a non-NULL value so the Python proxy -// object will be created (otherwise SWIG will just use None.) -// -// pass 2: After the module has been imported and the python proxys have -// been created, then set the __class__ to be _wxPyUnbornObject so -// it will catch any access to the object and will raise an exception. -// -// pass 3: Finally, from BootstrapApp patch things up so the stock objects -// can be used. - - -PyObject* __wxPyFixStockObjects(PyObject* /* self */, PyObject* args) -{ - wxPy_ReinitStockObjects(2); - RETURN_NONE(); -} - - -static void rsoPass2(const char* name) -{ - static PyObject* unbornObjectClass = NULL; - PyObject* obj; - - if (unbornObjectClass == NULL) { - unbornObjectClass = PyDict_GetItemString(wxPython_dict, "_wxPyUnbornObject"); - Py_INCREF(unbornObjectClass); - } - - // Find the object instance - obj = PyDict_GetItemString(wxPython_dict, (char*)dropwx(name)); - wxCHECK_RET(obj != NULL, wxT("Unable to find stock object")); - wxCHECK_RET(wxPySwigInstance_Check(obj), wxT("Not a swig instance")); - - // Change its class - PyObject_SetAttrString(obj, "__class__", unbornObjectClass); - -} - -static void rsoPass3(const char* name, const char* classname, void* ptr) -{ - PyObject* obj; - PyObject* classobj; - PyObject* ptrobj; - - // Find the object instance - obj = PyDict_GetItemString(wxPython_dict, (char*)dropwx(name)); - wxCHECK_RET(obj != NULL, wxT("Unable to find stock object")); - wxCHECK_RET(wxPySwigInstance_Check(obj), wxT("Not a swig instance")); - - // Find the class object and put it back in the instance - classobj = PyDict_GetItemString(wxPython_dict, (char*)dropwx(classname)); - wxCHECK_RET(classobj != NULL, wxT("Unable to find stock class object")); - PyObject_SetAttrString(obj, "__class__", classobj); - - // Rebuild the .this swigified pointer with the new value of the C++ pointer - ptrobj = wxPyMakeSwigPtr(ptr, wxString(classname, *wxConvCurrent)); - PyObject_SetAttrString(obj, "this", ptrobj); - Py_DECREF(ptrobj); -} - - - -void wxPy_ReinitStockObjects(int pass) -{ - - // If there is already an App object then wxPython is probably embedded in - // a wx C++ application, so there is no need to do all this. - static bool embedded = false; - if ((pass == 1 || pass == 2) && wxTheApp) { - embedded = true; - return; - } - if (pass == 3 && embedded) - return; - - -#define REINITOBJ(name, classname) \ - if (pass == 1) { name = (classname*)0xC0C0C0C0; } \ - else if (pass == 2) { rsoPass2(#name); } \ - else if (pass == 3) { rsoPass3(#name, #classname, (void*)name); } - - -#define REINITOBJ2(name, classname) \ - if (pass == 1) { } \ - else if (pass == 2) { rsoPass2(#name); } \ - else if (pass == 3) { rsoPass3(#name, #classname, (void*)&name); } - - - REINITOBJ(wxNORMAL_FONT, wxFont); - REINITOBJ(wxSMALL_FONT, wxFont); - REINITOBJ(wxITALIC_FONT, wxFont); - REINITOBJ(wxSWISS_FONT, wxFont); - - REINITOBJ(wxRED_PEN, wxPen); - REINITOBJ(wxCYAN_PEN, wxPen); - REINITOBJ(wxGREEN_PEN, wxPen); - REINITOBJ(wxBLACK_PEN, wxPen); - REINITOBJ(wxWHITE_PEN, wxPen); - REINITOBJ(wxTRANSPARENT_PEN, wxPen); - REINITOBJ(wxBLACK_DASHED_PEN, wxPen); - REINITOBJ(wxGREY_PEN, wxPen); - REINITOBJ(wxMEDIUM_GREY_PEN, wxPen); - REINITOBJ(wxLIGHT_GREY_PEN, wxPen); - - REINITOBJ(wxBLUE_BRUSH, wxBrush); - REINITOBJ(wxGREEN_BRUSH, wxBrush); - REINITOBJ(wxWHITE_BRUSH, wxBrush); - REINITOBJ(wxBLACK_BRUSH, wxBrush); - REINITOBJ(wxTRANSPARENT_BRUSH, wxBrush); - REINITOBJ(wxCYAN_BRUSH, wxBrush); - REINITOBJ(wxRED_BRUSH, wxBrush); - REINITOBJ(wxGREY_BRUSH, wxBrush); - REINITOBJ(wxMEDIUM_GREY_BRUSH, wxBrush); - REINITOBJ(wxLIGHT_GREY_BRUSH, wxBrush); - - REINITOBJ(wxBLACK, wxColour); - REINITOBJ(wxWHITE, wxColour); - REINITOBJ(wxRED, wxColour); - REINITOBJ(wxBLUE, wxColour); - REINITOBJ(wxGREEN, wxColour); - REINITOBJ(wxCYAN, wxColour); - REINITOBJ(wxLIGHT_GREY, wxColour); - - REINITOBJ(wxSTANDARD_CURSOR, wxCursor); - REINITOBJ(wxHOURGLASS_CURSOR, wxCursor); - REINITOBJ(wxCROSS_CURSOR, wxCursor); - - REINITOBJ2(wxNullBitmap, wxBitmap); - REINITOBJ2(wxNullIcon, wxIcon); - REINITOBJ2(wxNullCursor, wxCursor); - REINITOBJ2(wxNullPen, wxPen); - REINITOBJ2(wxNullBrush, wxBrush); - REINITOBJ2(wxNullPalette, wxPalette); - REINITOBJ2(wxNullFont, wxFont); - REINITOBJ2(wxNullColour, wxColour); - - REINITOBJ(wxTheFontList, wxFontList); - REINITOBJ(wxThePenList, wxPenList); - REINITOBJ(wxTheBrushList, wxBrushList); - REINITOBJ(wxTheColourDatabase, wxColourDatabase); - - - REINITOBJ2(wxDefaultValidator, wxValidator); - REINITOBJ2(wxNullImage, wxImage); - REINITOBJ2(wxNullAcceleratorTable, wxAcceleratorTable); - -#undef REINITOBJ -#undef REINITOBJ2 -} //--------------------------------------------------------------------------- @@ -994,6 +859,7 @@ void wxPyPtrTypeMap_Add(const char* commonName, const char* ptrName) { PyObject* wxPyMake_wxObject(wxObject* source, bool setThisOwn, bool checkEvtHandler) { PyObject* target = NULL; bool isEvtHandler = false; + bool isSizer = false; if (source) { // If it's derived from wxEvtHandler then there may @@ -1010,6 +876,18 @@ PyObject* wxPyMake_wxObject(wxObject* source, bool setThisOwn, bool checkEvtHan } } + // Also check for wxSizer + if (!target && wxIsKindOf(source, wxSizer)) { + isSizer = true; + wxSizer* sz = (wxSizer*)source; + wxPyOORClientData* data = (wxPyOORClientData*)sz->GetClientObject(); + if (data) { + target = data->m_obj; + if (target) + Py_INCREF(target); + } + } + if (! target) { // Otherwise make it the old fashioned way by making a new shadow // object and putting this pointer in it. Look up the class @@ -1027,6 +905,8 @@ PyObject* wxPyMake_wxObject(wxObject* source, bool setThisOwn, bool checkEvtHan target = wxPyConstructObject((void*)source, name, setThisOwn); if (target && isEvtHandler) ((wxEvtHandler*)source)->SetClientObject(new wxPyOORClientData(target)); + if (target && isSizer) + ((wxSizer*)source)->SetClientObject(new wxPyOORClientData(target)); } else { wxString msg(wxT("wxPython class not found for ")); msg += source->GetClassInfo()->GetClassName(); @@ -1042,25 +922,8 @@ PyObject* wxPyMake_wxObject(wxObject* source, bool setThisOwn, bool checkEvtHan PyObject* wxPyMake_wxSizer(wxSizer* source, bool setThisOwn) { - 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; - wxPyOORClientData* data = (wxPyOORClientData*)sz->GetClientObject(); - if (data) { - target = data->m_obj; - if (target) - Py_INCREF(target); - } - } - if (! target) { - target = wxPyMake_wxObject(source, setThisOwn, false); - if (target != Py_None) - ((wxSizer*)source)->SetClientObject(new wxPyOORClientData(target)); - } - return target; + return wxPyMake_wxObject(source, setThisOwn); } @@ -1162,6 +1025,9 @@ void wxPyEndAllowThreads(PyThreadState* saved) { wxPyBlock_t wxPyBeginBlockThreads() { #ifdef WXP_WITH_THREAD + if (! Py_IsInitialized()) { + return (wxPyBlock_t)0; + } #if wxPyUSE_GIL_STATE PyGILState_STATE state = PyGILState_Ensure(); return state; @@ -1180,13 +1046,16 @@ wxPyBlock_t wxPyBeginBlockThreads() { return blocked; #endif #else - return false; + return (wxPyBlock_t)0; #endif } void wxPyEndBlockThreads(wxPyBlock_t blocked) { #ifdef WXP_WITH_THREAD + if (! Py_IsInitialized()) { + return; + } #if wxPyUSE_GIL_STATE PyGILState_Release(blocked); #else @@ -1719,45 +1588,81 @@ PyObject* PyFindClassWithAttr(PyObject *klass, PyObject *name) static -PyObject* PyMethod_GetDefiningClass(PyObject* method, const char* name) +PyObject* PyMethod_GetDefiningClass(PyObject* method, PyObject* nameo) { 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; + return PyFindClassWithAttr(mgc, nameo); #endif } -bool wxPyCallbackHelper::findCallback(const char* name) const { +// To avoid recursion when an overridden virtual method wants to call the base +// class version, temporarily set an attribute in the instance with the same +// name as the method. Then the PyObject_GetAttr in the next findCallback +// will return this attribute and the PyMethod_Check will fail. + +void wxPyCallbackHelper::setRecursionGuard(PyObject* method) const +{ + PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method); + PyObject_SetAttr(m_self, func->func_name, Py_None); +} + +void wxPyCallbackHelper::clearRecursionGuard(PyObject* method) const +{ + PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method); + if (PyObject_HasAttr(m_self, func->func_name)) { + PyObject_DelAttr(m_self, func->func_name); + } +} + +// bool wxPyCallbackHelper::hasRecursionGuard(PyObject* method) const +// { +// PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method); +// if (PyObject_HasAttr(m_self, func->func_name)) { +// PyObject* attr = PyObject_GetAttr(m_self, func->func_name); +// bool retval = (attr == Py_None); +// Py_DECREF(attr); +// return retval; +// } +// return false; +// } + + +bool wxPyCallbackHelper::findCallback(const char* name, bool setGuard) const { wxPyCallbackHelper* self = (wxPyCallbackHelper*)this; // cast away const + PyObject *method, *klass; + PyObject* nameo = PyString_FromString(name); 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, *klass; - method = PyObject_GetAttrString(m_self, (char*)name); + if (m_self && PyObject_HasAttr(m_self, nameo)) { + method = PyObject_GetAttr(m_self, nameo); // ...and if that attribute is a method, and if that method's class is - // not from a base class... + // not from the registered class or a base class... if (PyMethod_Check(method) && - (klass = PyMethod_GetDefiningClass(method, (char*)name)) != NULL && - ((klass == m_class) || PyObject_IsSubclass(klass, m_class))) { - - // ...then we'll save a pointer to the method so callCallback can call it. + (klass = PyMethod_GetDefiningClass(method, nameo)) != NULL && + (klass != m_class) && + PyObject_IsSubclass(klass, m_class)) { + + // ...then we'll save a pointer to the method so callCallback can + // call it. But first, set a recursion guard in case the + // overridden method wants to call the base class version. + if (setGuard) + setRecursionGuard(method); self->m_lastFound = method; } else { Py_DECREF(method); } } + + Py_DECREF(nameo); return m_lastFound != NULL; } @@ -1786,6 +1691,8 @@ PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) const { PyObject* method = m_lastFound; result = PyEval_CallObject(method, argTuple); + clearRecursionGuard(method); + Py_DECREF(argTuple); Py_DECREF(method); if (!result) { @@ -1799,8 +1706,8 @@ void wxPyCBH_setCallbackInfo(wxPyCallbackHelper& cbh, PyObject* self, PyObject* cbh.setSelf(self, klass, incref); } -bool wxPyCBH_findCallback(const wxPyCallbackHelper& cbh, const char* name) { - return cbh.findCallback(name); +bool wxPyCBH_findCallback(const wxPyCallbackHelper& cbh, const char* name, bool setGuard) { + return cbh.findCallback(name, setGuard); } int wxPyCBH_callCallback(const wxPyCallbackHelper& cbh, PyObject* argTuple) { @@ -1978,7 +1885,7 @@ wxString* wxString_in_helper(PyObject* source) { str = PyObject_Str(source); if (PyErr_Occurred()) return NULL; } - char* tmpPtr; int tmpSize; + char* tmpPtr; Py_ssize_t tmpSize; PyString_AsStringAndSize(str, &tmpPtr, &tmpSize); target = new wxString(tmpPtr, tmpSize); @@ -2021,7 +1928,7 @@ wxString Py2wxString(PyObject* source) str = PyObject_Str(source); if (PyErr_Occurred()) return wxEmptyString; // TODO: should we PyErr_Clear? } - char* tmpPtr; int tmpSize; + char* tmpPtr; Py_ssize_t tmpSize; PyString_AsStringAndSize(str, &tmpPtr, &tmpSize); target = wxString(tmpPtr, tmpSize); @@ -2151,37 +2058,73 @@ 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)) { +//--------------------------------------------------------------------------- +// NOTE: The following functions could really use some refactoring using +// templates to make things somewhat simpler... + +inline bool wxPointFromObjects(PyObject* o1, PyObject* o2, wxPoint* point) +{ + // get the x value + if (PyInt_Check(o1)) + point->x = (int)PyInt_AS_LONG(o1); + else if (PyFloat_Check(o1)) point->x = (int)PyFloat_AS_DOUBLE(o1); + else if (PyNumber_Check(o1)) + point->x = (int)PyInt_AsLong(o1); + else + return false; + + // get the y value + if (PyInt_Check(o2)) + point->y = (int)PyInt_AS_LONG(o2); + else if (PyFloat_Check(o2)) point->y = (int)PyFloat_AS_DOUBLE(o2); - return true; - } - if (wxPySwigInstance_Check(o1) || wxPySwigInstance_Check(o2)) { // TODO: Why??? - // Disallow instances because they can cause havok + else if (PyNumber_Check(o2)) + point->y = (int)PyInt_AsLong(o2); + else 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; + + return true; + +// NOTE: This function used to have this code in it, but I don't know why it +// is a problem nor what havok it will cause, so removing for now... +// if (wxPySwigInstance_Check(o1) || wxPySwigInstance_Check(o2)) { +// // Disallow instances because they can cause havok +// return false; +// } +} + + +inline bool wxPoint2DFromObjects(PyObject* o1, PyObject* o2, wxPoint2D* point) +{ + // get the x value + if (PyInt_Check(o1)) + point->m_x = (double)PyInt_AS_LONG(o1); + else if (PyFloat_Check(o1)) + point->m_x = (double)PyFloat_AS_DOUBLE(o1); + else if (PyNumber_Check(o1)) + point->m_x = (double)PyFloat_AsDouble(o1); + else + return false; + + // get the y value + if (PyInt_Check(o2)) + point->m_y = (double)PyInt_AS_LONG(o2); + else if (PyFloat_Check(o2)) + point->m_y = (double)PyFloat_AS_DOUBLE(o2); + else if (PyNumber_Check(o2)) + point->m_y = (double)PyFloat_AsDouble(o2); + else + return false; + + return true; } -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* wxPoint_LIST_helper(PyObject* source, int *count) +{ + int idx; wxPoint* temp; PyObject *o, *o1, *o2; bool isFast = PyList_Check(source) || PyTuple_Check(source); @@ -2201,13 +2144,13 @@ wxPoint* wxPoint_LIST_helper(PyObject* source, int *count) { PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array"); return NULL; } - for (x=0; x<*count; x++) { + for (idx=0; idx<*count; idx++) { // Get an item: try fast way first. if (isFast) { - o = PySequence_Fast_GET_ITEM(source, x); + o = PySequence_Fast_GET_ITEM(source, idx); } else { - o = PySequence_GetItem(source, x); + o = PySequence_GetItem(source, idx); if (o == NULL) { goto error1; } @@ -2218,7 +2161,7 @@ wxPoint* wxPoint_LIST_helper(PyObject* source, int *count) { (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])) { + if (!wxPointFromObjects(o1, o2, &temp[idx])) { goto error2; } } @@ -2227,12 +2170,12 @@ wxPoint* wxPoint_LIST_helper(PyObject* source, int *count) { if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPoint"))) { goto error2; } - temp[x] = *pt; + temp[idx] = *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])) { + if (!wxPointFromObjects(o1, o2, &temp[idx])) { goto error3; } Py_DECREF(o1); @@ -2259,8 +2202,91 @@ error0: PyErr_SetString(PyExc_TypeError, "Expected a sequence of length-2 sequences or wxPoints."); return NULL; } -// end of patch -//------------------------------ + + + +wxPoint2D* wxPoint2D_LIST_helper(PyObject* source, size_t *count) +{ + size_t idx; + wxPoint2D* temp; + PyObject *o, *o1, *o2; + bool isFast = PyList_Check(source) || PyTuple_Check(source); + + if (!PySequence_Check(source)) { + goto error0; + } + + // The length of the sequence is returned in count. + *count = PySequence_Length(source); + if (*count < 0) { + goto error0; + } + + temp = new wxPoint2D[*count]; + if (!temp) { + PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array"); + return NULL; + } + for (idx=0; idx<*count; idx++) { + // Get an item: try fast way first. + if (isFast) { + o = PySequence_Fast_GET_ITEM(source, idx); + } + else { + o = PySequence_GetItem(source, idx); + if (o == NULL) { + goto error1; + } + } + + // 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 (!wxPoint2DFromObjects(o1, o2, &temp[idx])) { + goto error2; + } + } + else if (wxPySwigInstance_Check(o)) { + wxPoint2D* pt; + if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPoint2D"))) { + goto error2; + } + temp[idx] = *pt; + } + else if (PySequence_Check(o) && PySequence_Length(o) == 2) { + o1 = PySequence_GetItem(o, 0); + o2 = PySequence_GetItem(o, 1); + if (!wxPoint2DFromObjects(o1, o2, &temp[idx])) { + goto error3; + } + Py_DECREF(o1); + Py_DECREF(o2); + } + else { + 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 wxPoint2Ds."); + return NULL; +} + +//--------------------------------------------------------------------------- wxBitmap** wxBitmap_LIST_helper(PyObject* source) { @@ -2610,7 +2636,7 @@ bool wxColour_helper(PyObject* source, wxColour** obj) { return true; } } - // last chance: 3-tuple of integers is expected + // last chance: 3-tuple or 4-tuple of integers is expected else if (PySequence_Check(source) && PyObject_Length(source) == 3) { PyObject* o1 = PySequence_GetItem(source, 0); PyObject* o2 = PySequence_GetItem(source, 1); @@ -2627,10 +2653,29 @@ bool wxColour_helper(PyObject* source, wxColour** obj) { Py_DECREF(o3); return true; } + else if (PySequence_Check(source) && PyObject_Length(source) == 4) { + PyObject* o1 = PySequence_GetItem(source, 0); + 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 = wxColour(PyInt_AsLong(o1), PyInt_AsLong(o2), PyInt_AsLong(o3), PyInt_AsLong(o4)); + Py_DECREF(o1); + Py_DECREF(o2); + Py_DECREF(o3); + Py_DECREF(o4); + return true; + } error: PyErr_SetString(PyExc_TypeError, - "Expected a wxColour object or a string containing a colour name or '#RRGGBB'."); + "Expected a wxColour object, a string containing a colour name or '#RRGGBB', or a 3- or 4-tuple of integers."); return false; } @@ -2686,8 +2731,8 @@ bool wxPoint2D_helper(PyObject* source, wxPoint2D** obj) { //---------------------------------------------------------------------- -PyObject* wxArrayString2PyList_helper(const wxArrayString& arr) { - +PyObject* wxArrayString2PyList_helper(const wxArrayString& arr) +{ PyObject* list = PyList_New(0); for (size_t i=0; i < arr.GetCount(); i++) { #if wxUSE_UNICODE @@ -2702,8 +2747,8 @@ PyObject* wxArrayString2PyList_helper(const wxArrayString& arr) { } -PyObject* wxArrayInt2PyList_helper(const wxArrayInt& arr) { - +PyObject* wxArrayInt2PyList_helper(const wxArrayInt& arr) +{ PyObject* list = PyList_New(0); for (size_t i=0; i < arr.GetCount(); i++) { PyObject* number = PyInt_FromLong(arr[i]); @@ -2714,6 +2759,213 @@ PyObject* wxArrayInt2PyList_helper(const wxArrayInt& arr) { } +PyObject* wxArrayDouble2PyList_helper(const wxArrayDouble& arr) +{ + PyObject* list = PyList_New(0); + for (size_t i=0; i < arr.GetCount(); i++) { + PyObject* number = PyFloat_FromDouble(arr[i]); + PyList_Append(list, number); + Py_DECREF(number); + } + return list; +} + + +//---------------------------------------------------------------------- +// wxPyImageHandler methods +// +// TODO: Switch these to use wxPython's standard macros and helper classes +// for calling callbacks. + +PyObject* wxPyImageHandler::m_DoCanRead_Name = NULL; +PyObject* wxPyImageHandler::m_GetImageCount_Name = NULL; +PyObject* wxPyImageHandler::m_LoadFile_Name = NULL; +PyObject* wxPyImageHandler::m_SaveFile_Name = NULL; + +PyObject* wxPyImageHandler::py_InputStream(wxInputStream* stream) { + return wxPyConstructObject(new wxPyInputStream(stream), + wxT("wxPyInputStream"), 0); +} + +PyObject* wxPyImageHandler::py_Image(wxImage* image) { + return wxPyConstructObject(image, wxT("wxImage"), 0); +} + +PyObject* wxPyImageHandler::py_OutputStream(wxOutputStream* stream) { + return wxPyConstructObject(stream, wxT("wxOutputStream"), 0); +} + +wxPyImageHandler::wxPyImageHandler(): + m_self(NULL) +{ + if (!m_DoCanRead_Name) { + m_DoCanRead_Name = PyString_FromString("DoCanRead"); + m_GetImageCount_Name = PyString_FromString("GetImageCount"); + m_LoadFile_Name = PyString_FromString("LoadFile"); + m_SaveFile_Name = PyString_FromString("SaveFile"); + } +} + +wxPyImageHandler::~wxPyImageHandler() { + if (m_self) { + Py_DECREF(m_self); + m_self = NULL; + } +} + +void wxPyImageHandler::_SetSelf(PyObject *self) { + // should check here for isinstance(PyImageHandler) ?? + m_self = self; + Py_INCREF(m_self); +} + +bool wxPyImageHandler::DoCanRead(wxInputStream& stream) { + // check if our object has this method + wxPyBlock_t blocked = wxPyBeginBlockThreads(); + if (!m_self || !PyObject_HasAttr(m_self, m_DoCanRead_Name)) { + wxPyEndBlockThreads(blocked); + return false; + } + + PyObject* res = PyObject_CallMethodObjArgs(m_self, m_DoCanRead_Name, + py_InputStream(&stream), NULL); + bool retval = false; + if (res) { + retval = PyInt_AsLong(res); + Py_DECREF(res); + PyErr_Clear(); + } + else + PyErr_Print(); + wxPyEndBlockThreads(blocked); + return retval; +} + +bool wxPyImageHandler::LoadFile( wxImage* image, wxInputStream& stream, + bool verbose, int index ) { + // check if our object has this method + wxPyBlock_t blocked = wxPyBeginBlockThreads(); + if (!m_self || !PyObject_HasAttr(m_self, m_LoadFile_Name)) { + wxPyEndBlockThreads(blocked); + return false; + } + PyObject* res = PyObject_CallMethodObjArgs(m_self, m_LoadFile_Name, + py_Image(image), + py_InputStream(&stream), + PyInt_FromLong(verbose), + PyInt_FromLong(index), + NULL); + bool retval = false; + if (res) { + retval = PyInt_AsLong(res); + Py_DECREF(res); + PyErr_Clear(); + } else + PyErr_Print(); + wxPyEndBlockThreads(blocked); + return retval; +} + +bool wxPyImageHandler::SaveFile( wxImage* image, wxOutputStream& stream, + bool verbose ) { + wxPyBlock_t blocked = wxPyBeginBlockThreads(); + if (!m_self || !PyObject_HasAttr(m_self, m_SaveFile_Name)) { + wxPyEndBlockThreads(blocked); + return false; + } + PyObject* res = PyObject_CallMethodObjArgs(m_self, m_SaveFile_Name, + py_Image(image), + py_OutputStream(&stream), + PyInt_FromLong(verbose), + NULL); + bool retval = false; + if(res) { + retval=PyInt_AsLong(res); + Py_DECREF(res); + PyErr_Clear(); + } else + PyErr_Print(); + wxPyEndBlockThreads(blocked); + return retval; +} + +int wxPyImageHandler::GetImageCount( wxInputStream& stream ) { + wxPyBlock_t blocked = wxPyBeginBlockThreads(); + if (!m_self || !PyObject_HasAttr(m_self, m_GetImageCount_Name)) { + wxPyEndBlockThreads(blocked); + return 1; + } + PyObject *res=PyObject_CallMethodObjArgs(m_self, m_GetImageCount_Name, + py_InputStream(&stream), + NULL); + int retval = 1; + if(res) { + retval=PyInt_AsLong(res); + Py_DECREF(res); + PyErr_Clear(); + } else + PyErr_Print(); + wxPyEndBlockThreads(blocked); + return retval; +} + + +//---------------------------------------------------------------------- +// Function to test if the Display (or whatever is the platform equivallent) +// can be connected to. This is accessable from wxPython as a staticmethod of +// wx.App called DisplayAvailable(). + + +bool wxPyTestDisplayAvailable() +{ +#ifdef __WXGTK__ + Display* display; + display = XOpenDisplay(NULL); + if (display == NULL) + return false; + XCloseDisplay(display); + return true; +#endif + +#ifdef __WXMAC__ + // This is adapted from Python's Mac/Modules/MacOS.c in the + // MacOS_WMAvailable function. + bool rv; + ProcessSerialNumber psn; + + /* + ** This is a fairly innocuous call to make if we don't have a window + ** manager, or if we have no permission to talk to it. It will print + ** a message on stderr, but at least it won't abort the process. + ** It appears the function caches the result itself, and it's cheap, so + ** no need for us to cache. + */ +#ifdef kCGNullDirectDisplay + /* On 10.1 CGMainDisplayID() isn't available, and + ** kCGNullDirectDisplay isn't defined. + */ + if (CGMainDisplayID() == 0) { + rv = false; + } else +#endif + { + // Also foreground the application on the first call as a side-effect. + if (GetCurrentProcess(&psn) < 0 || SetFrontProcess(&psn) < 0) { + rv = false; + } else { + rv = true; + } + } + return rv; +#endif + +#ifdef __WXMSW__ + // TODO... + return true; +#endif +} + + //---------------------------------------------------------------------- //----------------------------------------------------------------------