X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/14af60da8bd10a243f1839eec5796f480d24e897..f5158fa61f150b8a11f175588f2c6afe455ff7fe:/wxPython/src/helpers.cpp?ds=sidebyside diff --git a/wxPython/src/helpers.cpp b/wxPython/src/helpers.cpp index 5ea1b5c9aa..65457ddfba 100644 --- a/wxPython/src/helpers.cpp +++ b/wxPython/src/helpers.cpp @@ -15,6 +15,7 @@ #include #include "wx/wxPython/wxPython_int.h" #include "wx/wxPython/pyistream.h" +#include "wx/wxPython/swigver.h" #ifdef __WXMSW__ #include @@ -28,7 +29,10 @@ #include #include #include -#define GetXWindow(wxwin) GDK_WINDOW_XWINDOW((wxwin)->m_widget->window) +#define GetXWindow(wxwin) (wxwin)->m_wxwindow ? \ + GDK_WINDOW_XWINDOW(GTK_PIZZA((wxwin)->m_wxwindow)->bin_window) : \ + GDK_WINDOW_XWINDOW((wxwin)->m_widget->window) +#include #endif #ifdef __WXX11__ @@ -46,18 +50,19 @@ //---------------------------------------------------------------------- -#if PYTHON_API_VERSION <= 1007 && wxUSE_UNICODE +#if PYTHON_API_VERSION < 1009 && wxUSE_UNICODE #error Python must support Unicode to use wxWindows Unicode #endif //---------------------------------------------------------------------- wxPyApp* wxPythonApp = NULL; // Global instance of application object -bool wxPyDoCleanup = False; -bool wxPyDoingCleanup = False; +bool wxPyDoCleanup = false; +bool wxPyDoingCleanup = false; #ifdef WXP_WITH_THREAD +#if !wxPyUSE_GIL_STATE struct wxPyThreadState { unsigned long tid; PyThreadState* tstate; @@ -73,11 +78,17 @@ WX_DEFINE_OBJARRAY(wxPyThreadStateArray); wxPyThreadStateArray* wxPyTStates = NULL; wxMutex* wxPyTMutex = NULL; + +#endif #endif +#define DEFAULTENCODING_SIZE 64 +static char wxPyDefaultEncoding[DEFAULTENCODING_SIZE] = "ascii"; + static PyObject* wxPython_dict = NULL; static PyObject* wxPyAssertionError = NULL; +static PyObject* wxPyNoAppError = NULL; PyObject* wxPyPtrTypeMap = NULL; @@ -87,17 +98,18 @@ PyObject* wxPyPtrTypeMap = NULL; // This gets run when the DLL is loaded. We just need to save a handle. //---------------------------------------------------------------------- +extern "C" BOOL WINAPI DllMain( HINSTANCE hinstDLL, // handle to DLL module DWORD fdwReason, // reason for calling function LPVOID lpvReserved // reserved ) { - // If wxPython is embedded in another wxWindows app then - // the inatance has already been set. + // If wxPython is embedded in another wxWidgets app then + // the instance has already been set. if (! wxGetInstance()) wxSetInstance(hinstDLL); - return True; + return true; } #endif @@ -110,17 +122,19 @@ IMPLEMENT_ABSTRACT_CLASS(wxPyApp, wxApp); wxPyApp::wxPyApp() { m_assertMode = wxPYAPP_ASSERT_EXCEPTION; - m_startupComplete = False; + m_startupComplete = false; } wxPyApp::~wxPyApp() { + wxPythonApp = NULL; + wxApp::SetInstance(NULL); } // This one isn't acutally called... We fake it with _BootstrapApp bool wxPyApp::OnInit() { - return False; + return false; } @@ -142,9 +156,9 @@ int wxPyApp::MainLoop() { bool wxPyApp::OnInitGui() { - bool rval=True; + bool rval=true; wxApp::OnInitGui(); // in this case always call the base class version - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); if (wxPyCBH_findCallback(m_myInst, "OnInitGui")) rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()")); wxPyEndBlockThreads(blocked); @@ -154,7 +168,7 @@ bool wxPyApp::OnInitGui() { int wxPyApp::OnExit() { int rval=0; - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); if (wxPyCBH_findCallback(m_myInst, "OnExit")) rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()")); wxPyEndBlockThreads(blocked); @@ -163,6 +177,18 @@ int wxPyApp::OnExit() { } + +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::OnAssert(const wxChar *file, int line, @@ -185,7 +211,7 @@ void wxPyApp::OnAssert(const wxChar *file, // If the OnAssert is overloaded in the Python class then call it... bool found; - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); if ((found = wxPyCBH_findCallback(m_myInst, "OnAssert"))) { PyObject* fso = wx2PyString(file); PyObject* cso = wx2PyString(file); @@ -219,7 +245,7 @@ void wxPyApp::OnAssert(const wxChar *file, } // set the exception - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); PyObject* s = wx2PyString(buf); PyErr_SetObject(wxPyAssertionError, s); Py_DECREF(s); @@ -254,7 +280,7 @@ void wxPyApp::OnAssert(const wxChar *file, // For catching Apple Events void wxPyApp::MacOpenFile(const wxString &fileName) { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); if (wxPyCBH_findCallback(m_myInst, "MacOpenFile")) { PyObject* s = wx2PyString(fileName); wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s)); @@ -265,7 +291,7 @@ void wxPyApp::MacOpenFile(const wxString &fileName) void wxPyApp::MacPrintFile(const wxString &fileName) { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); if (wxPyCBH_findCallback(m_myInst, "MacPrintFile")) { PyObject* s = wx2PyString(fileName); wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s)); @@ -276,7 +302,7 @@ void wxPyApp::MacPrintFile(const wxString &fileName) void wxPyApp::MacNewFile() { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); if (wxPyCBH_findCallback(m_myInst, "MacNewFile")) wxPyCBH_callCallback(m_myInst, Py_BuildValue("()")); wxPyEndBlockThreads(blocked); @@ -284,7 +310,7 @@ void wxPyApp::MacNewFile() void wxPyApp::MacReopenApp() { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); if (wxPyCBH_findCallback(m_myInst, "MacReopenApp")) wxPyCBH_callCallback(m_myInst, Py_BuildValue("()")); wxPyEndBlockThreads(blocked); @@ -376,50 +402,85 @@ void wxPyApp::SetMacHelpMenuTitleName(const wxString& val) { // that should be present in the derived (Python) class. void wxPyApp::_BootstrapApp() { + static bool haveInitialized = false; bool result; + wxPyBlock_t blocked; PyObject* retval = NULL; PyObject* pyint = NULL; - // Get any command-line args passed to this program from the sys module - int argc = 0; - char** argv = NULL; - bool blocked = wxPyBeginBlockThreads(); - PyObject* sysargv = PySys_GetObject("argv"); - if (sysargv != NULL) { - argc = PyList_Size(sysargv); - argv = new char*[argc+1]; - int x; - for(x=0; xargc = 0; + this->argv = NULL; + } + // It's now ok to generate exceptions for assertion errors. - wxPythonApp->SetStartupComplete(True); + wxPythonApp->SetStartupComplete(true); // Call the Python wxApp's OnInit function + blocked = wxPyBeginBlockThreads(); 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) @@ -434,12 +495,11 @@ void wxPyApp::_BootstrapApp() } else { // Is it okay if there is no OnInit? Probably so... - result = True; + result = true; } - if (! result) { - PyErr_SetString(PyExc_SystemExit, "OnInit returned False, exiting..."); + PyErr_SetString(PyExc_SystemExit, "OnInit returned false, exiting..."); } error: @@ -498,17 +558,23 @@ inline const char* dropwx(const char* name) { //---------------------------------------------------------------------- -// This function is called when the wxc module is imported to do some initial -// setup. (Before there is a wxApp object.) The rest happens in +// This function is called when the wx._core_ module is imported to do some +// initial setup. (Before there is a wxApp object.) The rest happens in // wxPyApp::_BootstrapApp void __wxPyPreStart(PyObject* moduleDict) { #ifdef __WXMSW__ -// wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF); +// wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF +// | _CRTDBG_CHECK_ALWAYS_DF +// | _CRTDBG_DELAY_FREE_MEM_DF +// ); #endif #ifdef WXP_WITH_THREAD +#if wxPyUSE_GIL_STATE + PyEval_InitThreads(); +#else PyEval_InitThreads(); wxPyTStates = new wxPyThreadStateArray; wxPyTMutex = new wxMutex; @@ -516,6 +582,7 @@ void __wxPyPreStart(PyObject* moduleDict) // Save the current (main) thread state in our array PyThreadState* tstate = wxPyBeginAllowThreads(); wxPyEndAllowThreads(tstate); +#endif #endif // Ensure that the build options in the DLL (or whatever) match this build @@ -523,23 +590,27 @@ void __wxPyPreStart(PyObject* moduleDict) // Init the stock objects to a non-NULL value so SWIG doesn't create them as None wxPy_ReinitStockObjects(1); + + wxInitAllImageHandlers(); } void __wxPyCleanup() { - wxPyDoingCleanup = True; + wxPyDoingCleanup = true; if (wxPyDoCleanup) { - wxPyDoCleanup = False; + wxPyDoCleanup = false; wxEntryCleanup(); } #ifdef WXP_WITH_THREAD +#if !wxPyUSE_GIL_STATE delete wxPyTMutex; wxPyTMutex = NULL; wxPyTStates->Empty(); delete wxPyTStates; wxPyTStates = NULL; #endif +#endif } @@ -552,7 +623,8 @@ PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args) return NULL; if (!PyDict_Check(wxPython_dict)) { - PyErr_SetString(PyExc_TypeError, "_wxPySetDictionary must have dictionary object!"); + PyErr_SetString(PyExc_TypeError, + "_wxPySetDictionary must have dictionary object!"); return NULL; } @@ -565,6 +637,12 @@ PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args) PyExc_AssertionError, NULL); PyDict_SetItemString(wxPython_dict, "PyAssertionError", wxPyAssertionError); + // Create an exception object to use when the app object hasn't been created yet + wxPyNoAppError = PyErr_NewException("wx._core.PyNoAppError", + PyExc_RuntimeError, NULL); + PyDict_SetItemString(wxPython_dict, "PyNoAppError", wxPyNoAppError); + + #ifdef __WXMOTIF__ #define wxPlatform "__WXMOTIF__" @@ -598,7 +676,7 @@ PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args) PyDict_SetItemString(wxPython_dict, "USE_UNICODE", PyInt_FromLong(wxUSE_UNICODE)); PyDict_SetItemString(wxPython_dict, "__WXDEBUG__", PyInt_FromLong(wxdebug)); - + // Make a tuple of strings that gives more info about the platform. PyObject* PlatInfo = PyList_New(0); PyObject* obj; @@ -612,7 +690,7 @@ PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args) #if wxUSE_UNICODE _AddInfoString("unicode"); #else - _AddInfoString("ascii"); + _AddInfoString("ansi"); #endif #ifdef __WXGTK__ #ifdef __WXGTK20__ @@ -621,49 +699,40 @@ PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args) _AddInfoString("gtk1"); #endif #endif - +#ifdef __WXDEBUG__ + _AddInfoString("wx-assertions-on"); +#else + _AddInfoString("wx-assertions-off"); +#endif + _AddInfoString(wxPy_SWIG_VERSION); + #undef _AddInfoString PyObject* PlatInfoTuple = PyList_AsTuple(PlatInfo); Py_DECREF(PlatInfo); PyDict_SetItemString(wxPython_dict, "PlatformInfo", PlatInfoTuple); - - RETURN_NONE(); -} - -//--------------------------------------------------------------------------- - -// 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; + RETURN_NONE(); } -// 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 wxc module is imported, -// but only after the app object has been created. The +// 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 it will just use None.) +// 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 OnInit patch things up so the stock objects can -// be used. +// pass 3: Finally, from BootstrapApp patch things up so the stock objects +// can be used. PyObject* __wxPyFixStockObjects(PyObject* /* self */, PyObject* args) @@ -720,6 +789,17 @@ static void rsoPass3(const char* name, const char* classname, void* ptr) 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); } \ @@ -731,16 +811,6 @@ void wxPy_ReinitStockObjects(int pass) else if (pass == 2) { rsoPass2(#name); } \ else if (pass == 3) { rsoPass3(#name, #classname, (void*)&name); } - // 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; - REINITOBJ(wxNORMAL_FONT, wxFont); REINITOBJ(wxSMALL_FONT, wxFont); @@ -796,7 +866,6 @@ void wxPy_ReinitStockObjects(int pass) REINITOBJ(wxTheColourDatabase, wxColourDatabase); - REINITOBJ(wxTheClipboard, wxClipboard); REINITOBJ2(wxDefaultValidator, wxValidator); REINITOBJ2(wxNullImage, wxImage); REINITOBJ2(wxNullAcceleratorTable, wxAcceleratorTable); @@ -807,19 +876,24 @@ void wxPy_ReinitStockObjects(int pass) //--------------------------------------------------------------------------- -void wxPyClientData_dtor(wxPyClientData* self) { - if (! wxPyDoingCleanup) { // Don't do it during cleanup as Python - // may have already garbage collected the object... - bool blocked = wxPyBeginBlockThreads(); - Py_DECREF(self->m_obj); - self->m_obj = NULL; - wxPyEndBlockThreads(blocked); +// Check for existence of a wxApp, setting an exception if there isn't one. +// This doesn't need to aquire the GIL because it should only be called from +// an %exception before the lock is released. + +bool wxPyCheckForApp() { + if (wxTheApp != NULL) + return true; + else { + PyErr_SetString(wxPyNoAppError, "The wx.App object must be created first!"); + return false; } } +//--------------------------------------------------------------------------- + void wxPyUserData_dtor(wxPyUserData* self) { if (! wxPyDoingCleanup) { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); Py_DECREF(self->m_obj); self->m_obj = NULL; wxPyEndBlockThreads(blocked); @@ -827,6 +901,20 @@ void wxPyUserData_dtor(wxPyUserData* self) { } +void wxPyClientData_dtor(wxPyClientData* self) { + if (! wxPyDoingCleanup) { // Don't do it during cleanup as Python + // may have already garbage collected the object... + if (self->m_incRef) { + wxPyBlock_t blocked = wxPyBeginBlockThreads(); + Py_DECREF(self->m_obj); + wxPyEndBlockThreads(blocked); + } + self->m_obj = NULL; + } +} + + + // 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 @@ -839,7 +927,7 @@ void wxPyOORClientData_dtor(wxPyOORClientData* self) { static PyObject* deadObjectClass = NULL; - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); if (deadObjectClass == NULL) { deadObjectClass = PyDict_GetItemString(wxPython_dict, "_wxPyDeadObject"); // TODO: Can not wxASSERT here because inside a wxPyBeginBlock Threads, @@ -849,8 +937,9 @@ void wxPyOORClientData_dtor(wxPyOORClientData* self) { } - // Only if there is more than one reference to the object - if ( !wxPyDoingCleanup && self->m_obj->ob_refcnt > 1 ) { + // Only if there is more than one reference to the object and we are + // holding the OOR reference: + if ( !wxPyDoingCleanup && self->m_obj->ob_refcnt > 1 && self->m_incRef) { // bool isInstance = wxPyInstance_Check(self->m_obj); // TODO same here //wxASSERT_MSG(isInstance, wxT("m_obj not an instance!?!?!")); @@ -909,16 +998,17 @@ void wxPyPtrTypeMap_Add(const char* commonName, const char* ptrName) { -PyObject* wxPyMake_wxObject(wxObject* source, bool checkEvtHandler) { +PyObject* wxPyMake_wxObject(wxObject* source, bool setThisOwn, bool checkEvtHandler) { PyObject* target = NULL; - bool isEvtHandler = False; + bool isEvtHandler = false; + bool isSizer = false; if (source) { // 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; + isEvtHandler = true; wxEvtHandler* eh = (wxEvtHandler*)source; wxPyOORClientData* data = (wxPyOORClientData*)eh->GetClientObject(); if (data) { @@ -928,6 +1018,18 @@ PyObject* wxPyMake_wxObject(wxObject* source, bool checkEvtHandler) { } } + // 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 @@ -942,9 +1044,11 @@ PyObject* wxPyMake_wxObject(wxObject* source, bool checkEvtHandler) { exists = wxPyCheckSwigType(name); } if (info) { - target = wxPyConstructObject((void*)source, name, False); + 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(); @@ -959,26 +1063,9 @@ PyObject* wxPyMake_wxObject(wxObject* source, bool checkEvtHandler) { } -PyObject* wxPyMake_wxSizer(wxSizer* source) { - PyObject* target = NULL; +PyObject* wxPyMake_wxSizer(wxSizer* source, bool setThisOwn) { - 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, False); - if (target != Py_None) - ((wxSizer*)source)->SetClientObject(new wxPyOORClientData(target)); - } - return target; + return wxPyMake_wxObject(source, setThisOwn); } @@ -986,6 +1073,8 @@ PyObject* wxPyMake_wxSizer(wxSizer* source) { #ifdef WXP_WITH_THREAD +#if !wxPyUSE_GIL_STATE + inline unsigned long wxPyGetCurrentThreadId() { return wxThread::GetCurrentId(); @@ -1030,11 +1119,12 @@ void wxPySaveThreadState(PyThreadState* tstate) { if (info.tstate != tstate) wxLogMessage("*** tstate mismatch!???"); #endif - // info.tstate = tstate; *** DO NOT update existing ones??? + info.tstate = tstate; // allow for transient tstates // 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; } @@ -1045,6 +1135,7 @@ void wxPySaveThreadState(PyThreadState* tstate) { } #endif +#endif @@ -1054,7 +1145,9 @@ void wxPySaveThreadState(PyThreadState* tstate) { PyThreadState* wxPyBeginAllowThreads() { #ifdef WXP_WITH_THREAD PyThreadState* saved = PyEval_SaveThread(); // Py_BEGIN_ALLOW_THREADS; +#if !wxPyUSE_GIL_STATE wxPySaveThreadState(saved); +#endif return saved; #else return NULL; @@ -1072,17 +1165,21 @@ void wxPyEndAllowThreads(PyThreadState* saved) { // Calls from wxWindows back to Python code, or even any PyObject // manipulations, PyDECREF's and etc. are wrapped in calls to these functions: -bool wxPyBeginBlockThreads() { +wxPyBlock_t wxPyBeginBlockThreads() { #ifdef WXP_WITH_THREAD - // This works in for 2.3, maybe a good alternative to find the needed tstate? - // PyThreadState *check = PyGILState_GetThisThreadState(); - + if (! Py_IsInitialized()) { + return (wxPyBlock_t)0; + } +#if wxPyUSE_GIL_STATE + PyGILState_STATE state = PyGILState_Ensure(); + return state; +#else PyThreadState *current = _PyThreadState_Current; // Only block if there wasn't already a tstate, or if the current one is // not the one we are wanting to change to. This should prevent deadlock // if there are nested calls to wxPyBeginBlockThreads - bool blocked = false; + wxPyBlock_t blocked = false; wxPyThreadState* tstate = wxPyGetThreadState(); if (current != tstate->tstate) { PyEval_RestoreThread(tstate->tstate); @@ -1090,11 +1187,20 @@ bool wxPyBeginBlockThreads() { } return blocked; #endif +#else + return (wxPyBlock_t)0; +#endif } -void wxPyEndBlockThreads(bool blocked) { +void wxPyEndBlockThreads(wxPyBlock_t blocked) { #ifdef WXP_WITH_THREAD + if (! Py_IsInitialized()) { + return; + } +#if wxPyUSE_GIL_STATE + PyGILState_Release(blocked); +#else // Only unblock if we blocked in the last call to wxPyBeginBlockThreads. // The value of blocked passed in needs to be the same as that returned // from wxPyBeginBlockThreads at the same nesting level. @@ -1102,6 +1208,7 @@ void wxPyEndBlockThreads(bool blocked) { PyEval_SaveThread(); } #endif +#endif } @@ -1121,11 +1228,12 @@ bool wxPyInputStream::eof() { if (m_wxis) return m_wxis->Eof(); else - return True; + return true; } wxPyInputStream::~wxPyInputStream() { - /* do nothing */ + if (m_wxis) + delete m_wxis; } @@ -1138,7 +1246,7 @@ PyObject* wxPyInputStream::read(int size) { // check if we have a real wxInputStream to work with if (!m_wxis) { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); PyErr_SetString(PyExc_IOError, "no valid C-wxInputStream"); wxPyEndBlockThreads(blocked); return NULL; @@ -1157,7 +1265,7 @@ PyObject* wxPyInputStream::read(int size) { } // error check - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); wxStreamError err = m_wxis->GetLastError(); if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) { PyErr_SetString(PyExc_IOError,"IOError in wxInputStream"); @@ -1179,7 +1287,7 @@ PyObject* wxPyInputStream::readline(int size) { // check if we have a real wxInputStream to work with if (!m_wxis) { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream"); wxPyEndBlockThreads(blocked); return NULL; @@ -1192,7 +1300,7 @@ PyObject* wxPyInputStream::readline(int size) { } // errorcheck - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); wxStreamError err = m_wxis->GetLastError(); if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) { PyErr_SetString(PyExc_IOError,"IOError in wxInputStream"); @@ -1211,19 +1319,19 @@ PyObject* wxPyInputStream::readlines(int sizehint) { // check if we have a real wxInputStream to work with if (!m_wxis) { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream"); wxPyEndBlockThreads(blocked); return NULL; } // init list - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); pylist = PyList_New(0); wxPyEndBlockThreads(blocked); - + if (!pylist) { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); PyErr_NoMemory(); wxPyEndBlockThreads(blocked); return NULL; @@ -1234,12 +1342,12 @@ PyObject* wxPyInputStream::readlines(int sizehint) { for (i=0; (m_wxis->CanRead()) && ((sizehint < 0) || (i < sizehint));) { PyObject* s = this->readline(); if (s == NULL) { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); Py_DECREF(pylist); wxPyEndBlockThreads(blocked); return NULL; } - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); PyList_Append(pylist, s); i += PyString_Size(s); wxPyEndBlockThreads(blocked); @@ -1248,7 +1356,7 @@ PyObject* wxPyInputStream::readlines(int sizehint) { // error check wxStreamError err = m_wxis->GetLastError(); if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); Py_DECREF(pylist); PyErr_SetString(PyExc_IOError,"IOError in wxInputStream"); wxPyEndBlockThreads(blocked); @@ -1277,9 +1385,20 @@ wxPyCBInputStream::wxPyCBInputStream(PyObject *r, PyObject *s, PyObject *t, bool : wxInputStream(), m_read(r), m_seek(s), m_tell(t), m_block(block) {} +wxPyCBInputStream::wxPyCBInputStream(const wxPyCBInputStream& other) +{ + m_read = other.m_read; + m_seek = other.m_seek; + m_tell = other.m_tell; + m_block = other.m_block; + Py_INCREF(m_read); + Py_INCREF(m_seek); + Py_INCREF(m_tell); +} + wxPyCBInputStream::~wxPyCBInputStream() { - bool blocked; + wxPyBlock_t blocked; if (m_block) blocked = wxPyBeginBlockThreads(); Py_XDECREF(m_read); Py_XDECREF(m_seek); @@ -1289,7 +1408,7 @@ wxPyCBInputStream::~wxPyCBInputStream() { wxPyCBInputStream* wxPyCBInputStream::create(PyObject *py, bool block) { - bool blocked; + wxPyBlock_t blocked; if (block) blocked = wxPyBeginBlockThreads(); PyObject* read = getMethod(py, "read"); @@ -1314,6 +1433,10 @@ wxPyCBInputStream* wxPyCBInputStream_create(PyObject *py, bool block) { return wxPyCBInputStream::create(py, block); } +wxPyCBInputStream* wxPyCBInputStream_copy(wxPyCBInputStream* other) { + return new wxPyCBInputStream(*other); +} + PyObject* wxPyCBInputStream::getMethod(PyObject* py, char* name) { if (!PyObject_HasAttrString(py, name)) return NULL; @@ -1326,16 +1449,16 @@ PyObject* wxPyCBInputStream::getMethod(PyObject* py, char* name) { } -size_t wxPyCBInputStream::GetSize() const { +wxFileOffset wxPyCBInputStream::GetLength() const { wxPyCBInputStream* self = (wxPyCBInputStream*)this; // cast off const if (m_seek && m_tell) { - off_t temp = self->OnSysTell(); - off_t ret = self->OnSysSeek(0, wxFromEnd); + wxFileOffset temp = self->OnSysTell(); + wxFileOffset ret = self->OnSysSeek(0, wxFromEnd); self->OnSysSeek(temp, wxFromStart); return ret; } else - return 0; + return wxInvalidOffset; } @@ -1343,7 +1466,7 @@ size_t wxPyCBInputStream::OnSysRead(void *buffer, size_t bufsize) { if (bufsize == 0) return 0; - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); PyObject* arglist = Py_BuildValue("(i)", bufsize); PyObject* result = PyEval_CallObject(m_read, arglist); Py_DECREF(arglist); @@ -1370,14 +1493,20 @@ size_t wxPyCBInputStream::OnSysWrite(const void *buffer, size_t bufsize) { return 0; } -off_t wxPyCBInputStream::OnSysSeek(off_t off, wxSeekMode mode) { - bool blocked = wxPyBeginBlockThreads(); -#ifdef _LARGE_FILES - // off_t is a 64-bit value... - PyObject* arglist = Py_BuildValue("(Li)", off, mode); -#else - PyObject* arglist = Py_BuildValue("(ii)", off, mode); -#endif + +wxFileOffset wxPyCBInputStream::OnSysSeek(wxFileOffset off, wxSeekMode mode) { + wxPyBlock_t blocked = wxPyBeginBlockThreads(); + PyObject* arglist = PyTuple_New(2); + + if (sizeof(wxFileOffset) > sizeof(long)) + // wxFileOffset is a 64-bit value... + PyTuple_SET_ITEM(arglist, 0, PyLong_FromLongLong(off)); + else + PyTuple_SET_ITEM(arglist, 0, PyInt_FromLong(off)); + + PyTuple_SET_ITEM(arglist, 1, PyInt_FromLong(mode)); + + PyObject* result = PyEval_CallObject(m_seek, arglist); Py_DECREF(arglist); Py_XDECREF(result); @@ -1386,18 +1515,16 @@ off_t wxPyCBInputStream::OnSysSeek(off_t off, wxSeekMode mode) { } -off_t wxPyCBInputStream::OnSysTell() const { - bool blocked = wxPyBeginBlockThreads(); +wxFileOffset wxPyCBInputStream::OnSysTell() const { + wxPyBlock_t blocked = wxPyBeginBlockThreads(); PyObject* arglist = Py_BuildValue("()"); PyObject* result = PyEval_CallObject(m_tell, arglist); Py_DECREF(arglist); - off_t o = 0; + wxFileOffset o = 0; if (result != NULL) { -#ifdef _LARGE_FILES if (PyLong_Check(result)) o = PyLong_AsLongLong(result); else -#endif o = PyInt_AsLong(result); Py_DECREF(result); }; @@ -1420,7 +1547,7 @@ wxPyCallback::wxPyCallback(const wxPyCallback& other) { } wxPyCallback::~wxPyCallback() { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); Py_DECREF(m_func); wxPyEndBlockThreads(blocked); } @@ -1436,9 +1563,9 @@ void wxPyCallback::EventThunker(wxEvent& event) { PyObject* result; PyObject* arg; PyObject* tuple; - bool checkSkip = False; + bool checkSkip = false; - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); wxString className = event.GetClassInfo()->GetClassName(); // If the event is one of these types then pass the original @@ -1465,7 +1592,7 @@ void wxPyCallback::EventThunker(wxEvent& event) { s_preName = PyString_FromString(wxPy_PRECALLINIT); s_postName = PyString_FromString(wxPy_POSTCALLCLEANUP); } - + // Check if the event object needs some preinitialization if (PyObject_HasAttr(arg, s_preName)) { result = PyObject_CallMethodObjArgs(arg, s_preName, arg, NULL); @@ -1474,9 +1601,9 @@ void wxPyCallback::EventThunker(wxEvent& event) { PyErr_Clear(); // Just in case... } else { PyErr_Print(); - } + } } - + // Call the event handler, passing the event object tuple = PyTuple_New(1); PyTuple_SET_ITEM(tuple, 0, arg); // steals ref to arg @@ -1496,7 +1623,7 @@ void wxPyCallback::EventThunker(wxEvent& event) { PyErr_Clear(); // Just in case... } else { PyErr_Print(); - } + } } if ( checkSkip ) { @@ -1603,52 +1730,88 @@ 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; } int wxPyCallbackHelper::callCallback(PyObject* argTuple) const { PyObject* result; - int retval = False; + int retval = false; result = callCallbackObj(argTuple); if (result) { // Assumes an integer return type... @@ -1670,6 +1833,8 @@ 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) { @@ -1683,8 +1848,8 @@ 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) { @@ -1698,7 +1863,7 @@ PyObject* wxPyCBH_callCallbackObj(const wxPyCallbackHelper& cbh, PyObject* argTu void wxPyCBH_delete(wxPyCallbackHelper* cbh) { if (cbh->m_incRef) { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); Py_XDECREF(cbh->m_self); Py_XDECREF(cbh->m_class); wxPyEndBlockThreads(blocked); @@ -1715,24 +1880,24 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh) { wxPyEvtSelfRef::wxPyEvtSelfRef() { //m_self = Py_None; // **** We don't do normal ref counting to prevent //Py_INCREF(m_self); // circular loops... - m_cloned = False; + m_cloned = false; } wxPyEvtSelfRef::~wxPyEvtSelfRef() { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); if (m_cloned) Py_DECREF(m_self); wxPyEndBlockThreads(blocked); } void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) { - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); if (m_cloned) Py_DECREF(m_self); m_self = self; if (clone) { Py_INCREF(m_self); - m_cloned = True; + m_cloned = true; } wxPyEndBlockThreads(blocked); } @@ -1755,7 +1920,7 @@ wxPyEvent::wxPyEvent(int winid, wxEventType commandType) wxPyEvent::wxPyEvent(const wxPyEvent& evt) : wxEvent(evt) { - SetSelf(evt.m_self, True); + SetSelf(evt.m_self, true); } @@ -1771,7 +1936,7 @@ wxPyCommandEvent::wxPyCommandEvent(wxEventType commandType, int id) wxPyCommandEvent::wxPyCommandEvent(const wxPyCommandEvent& evt) : wxCommandEvent(evt) { - SetSelf(evt.m_self, True); + SetSelf(evt.m_self, true); } @@ -1793,11 +1958,11 @@ PyObject* wxPy_ConvertList(wxListBase* listbase) { wxObject* wxObj; wxNode* node = list->GetFirst(); - bool blocked = wxPyBeginBlockThreads(); + wxPyBlock_t blocked = wxPyBeginBlockThreads(); pyList = PyList_New(0); while (node) { wxObj = node->GetData(); - pyObj = wxPyMake_wxObject(wxObj); + pyObj = wxPyMake_wxObject(wxObj,false); PyList_Append(pyList, pyObj); node = node->GetNext(); } @@ -1816,7 +1981,7 @@ long wxPyGetWinHandle(wxWindow* win) { #if defined(__WXGTK__) || defined(__WXX11) return (long)GetXWindow(win); #endif - + #ifdef __WXMAC__ //return (long)MAC_WXHWND(win->MacGetTopLevelWindowRef()); return (long)win->GetHandle(); @@ -1839,27 +2004,37 @@ wxString* wxString_in_helper(PyObject* source) { #if wxUSE_UNICODE PyObject* uni = source; if (PyString_Check(source)) { - uni = PyUnicode_FromObject(source); + uni = PyUnicode_FromEncodedObject(source, wxPyDefaultEncoding, "strict"); if (PyErr_Occurred()) return NULL; } target = new wxString(); size_t len = PyUnicode_GET_SIZE(uni); if (len) { PyUnicode_AsWideChar((PyUnicodeObject*)uni, target->GetWriteBuf(len), len); - target->UngetWriteBuf(); + target->UngetWriteBuf(len); } if (PyString_Check(source)) Py_DECREF(uni); #else - char* tmpPtr; int tmpSize; - if (PyString_AsStringAndSize(source, &tmpPtr, &tmpSize) == -1) { - PyErr_SetString(PyExc_TypeError, "Unable to convert string"); - return NULL; + // Convert to a string object if it isn't already, then to wxString + PyObject* str = source; + if (PyUnicode_Check(source)) { + str = PyUnicode_AsEncodedString(source, wxPyDefaultEncoding, "strict"); + if (PyErr_Occurred()) return NULL; + } + else if (!PyString_Check(source)) { + str = PyObject_Str(source); + if (PyErr_Occurred()) return NULL; } + char* tmpPtr; int tmpSize; + PyString_AsStringAndSize(str, &tmpPtr, &tmpSize); target = new wxString(tmpPtr, tmpSize); + + if (!PyString_Check(source)) + Py_DECREF(str); #endif // wxUSE_UNICODE - + return target; } @@ -1873,28 +2048,32 @@ wxString Py2wxString(PyObject* source) // Convert to a unicode object, if not already, then to a wxString PyObject* uni = source; if (!PyUnicode_Check(source)) { - uni = PyUnicode_FromObject(source); + uni = PyUnicode_FromEncodedObject(source, wxPyDefaultEncoding, "strict"); if (PyErr_Occurred()) return wxEmptyString; // TODO: should we PyErr_Clear? - } + } size_t len = PyUnicode_GET_SIZE(uni); if (len) { PyUnicode_AsWideChar((PyUnicodeObject*)uni, target.GetWriteBuf(len), len); target.UngetWriteBuf(); } - + if (!PyUnicode_Check(source)) Py_DECREF(uni); #else // Convert to a string object if it isn't already, then to wxString PyObject* str = source; - if (!PyString_Check(source)) { + if (PyUnicode_Check(source)) { + str = PyUnicode_AsEncodedString(source, wxPyDefaultEncoding, "strict"); + if (PyErr_Occurred()) return wxEmptyString; // TODO: should we PyErr_Clear? + } + else if (!PyString_Check(source)) { str = PyObject_Str(source); if (PyErr_Occurred()) return wxEmptyString; // TODO: should we PyErr_Clear? } char* tmpPtr; int tmpSize; PyString_AsStringAndSize(str, &tmpPtr, &tmpSize); target = wxString(tmpPtr, tmpSize); - + if (!PyString_Check(source)) Py_DECREF(str); #endif // wxUSE_UNICODE @@ -1916,6 +2095,17 @@ PyObject* wx2PyString(const wxString& src) } + +void wxSetDefaultPyEncoding(const char* encoding) +{ + strncpy(wxPyDefaultEncoding, encoding, DEFAULTENCODING_SIZE); +} + +const char* wxGetDefaultPyEncoding() +{ + return wxPyDefaultEncoding; +} + //---------------------------------------------------------------------- @@ -2016,24 +2206,24 @@ 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; + 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; + return true; } if (wxPySwigInstance_Check(o1) || wxPySwigInstance_Check(o2)) { // TODO: Why??? // Disallow instances because they can cause havok - return False; + 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 true; } - return False; + return false; } @@ -2259,7 +2449,7 @@ bool wxPy2int_seq_helper(PyObject* source, int* i1, int* i2) { PyObject *o1, *o2; if (!PySequence_Check(source) || PySequence_Length(source) != 2) - return False; + return false; if (isFast) { o1 = PySequence_Fast_GET_ITEM(source, 0); @@ -2277,7 +2467,7 @@ bool wxPy2int_seq_helper(PyObject* source, int* i1, int* i2) { Py_DECREF(o1); Py_DECREF(o2); } - return True; + return true; } @@ -2286,7 +2476,7 @@ bool wxPy4int_seq_helper(PyObject* source, int* i1, int* i2, int* i3, int* i4) { PyObject *o1, *o2, *o3, *o4; if (!PySequence_Check(source) || PySequence_Length(source) != 4) - return False; + return false; if (isFast) { o1 = PySequence_Fast_GET_ITEM(source, 0); @@ -2312,7 +2502,7 @@ bool wxPy4int_seq_helper(PyObject* source, int* i1, int* i2, int* i3, int* i4) { Py_DECREF(o3); Py_DECREF(o4); } - return True; + return true; } @@ -2324,20 +2514,20 @@ bool wxPySimple_typecheck(PyObject* source, const wxChar* classname, int seqLen) if (wxPySwigInstance_Check(source) && wxPyConvertSwigPtr(source, (void **)&ptr, classname)) - return True; + return true; PyErr_Clear(); if (PySequence_Check(source) && PySequence_Length(source) == seqLen) - return True; + return true; - return False; + return false; } bool wxSize_helper(PyObject* source, wxSize** obj) { if (source == Py_None) { **obj = wxSize(-1,-1); - return True; + return true; } return wxPyTwoIntItem_helper(source, obj, wxT("wxSize")); } @@ -2347,7 +2537,7 @@ bool wxPoint_helper(PyObject* source, wxPoint** obj) { if (source == Py_None) { **obj = wxPoint(-1,-1); - return True; + return true; } return wxPyTwoIntItem_helper(source, obj, wxT("wxPoint")); } @@ -2358,7 +2548,7 @@ bool wxRealPoint_helper(PyObject* source, wxRealPoint** obj) { if (source == Py_None) { **obj = wxRealPoint(-1,-1); - return True; + return true; } // If source is an object instance then it may already be the right type @@ -2367,7 +2557,7 @@ bool wxRealPoint_helper(PyObject* source, wxRealPoint** obj) { if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxRealPoint"))) goto error; *obj = ptr; - return True; + return true; } // otherwise a 2-tuple of floats is expected else if (PySequence_Check(source) && PyObject_Length(source) == 2) { @@ -2381,12 +2571,12 @@ bool wxRealPoint_helper(PyObject* source, wxRealPoint** obj) { **obj = wxRealPoint(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2)); Py_DECREF(o1); Py_DECREF(o2); - return True; + return true; } error: PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wxRealPoint object."); - return False; + return false; } @@ -2395,7 +2585,7 @@ bool wxRect_helper(PyObject* source, wxRect** obj) { if (source == Py_None) { **obj = wxRect(-1,-1,-1,-1); - return True; + return true; } // If source is an object instance then it may already be the right type @@ -2404,7 +2594,7 @@ bool wxRect_helper(PyObject* source, wxRect** obj) { if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxRect"))) goto error; *obj = ptr; - return True; + return true; } // otherwise a 4-tuple of integers is expected else if (PySequence_Check(source) && PyObject_Length(source) == 4) { @@ -2426,12 +2616,12 @@ bool wxRect_helper(PyObject* source, wxRect** obj) { Py_DECREF(o2); Py_DECREF(o3); Py_DECREF(o4); - return True; + return true; } error: PyErr_SetString(PyExc_TypeError, "Expected a 4-tuple of integers or a wxRect object."); - return False; + return false; } @@ -2440,7 +2630,7 @@ bool wxColour_helper(PyObject* source, wxColour** obj) { if (source == Py_None) { **obj = wxNullColour; - return True; + return true; } // If source is an object instance then it may already be the right type @@ -2449,7 +2639,7 @@ bool wxColour_helper(PyObject* source, wxColour** obj) { if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxColour"))) goto error; *obj = ptr; - return True; + return true; } // otherwise check for a string else if (PyString_Check(source) || PyUnicode_Check(source)) { @@ -2462,11 +2652,11 @@ bool wxColour_helper(PyObject* source, wxColour** obj) { spec.Mid(5,2).ToLong(&blue, 16); **obj = wxColour(red, green, blue); - return True; + return true; } else { // it's a colour name **obj = wxColour(spec); - return True; + return true; } } // last chance: 3-tuple of integers is expected @@ -2484,25 +2674,25 @@ bool wxColour_helper(PyObject* source, wxColour** obj) { Py_DECREF(o1); Py_DECREF(o2); Py_DECREF(o3); - return True; + return true; } error: PyErr_SetString(PyExc_TypeError, "Expected a wxColour object or a string containing a colour name or '#RRGGBB'."); - return False; + return false; } bool wxColour_typecheck(PyObject* source) { if (wxPySimple_typecheck(source, wxT("wxColour"), 3)) - return True; + return true; if (PyString_Check(source) || PyUnicode_Check(source)) - return True; + return true; - return False; + return false; } @@ -2511,7 +2701,7 @@ bool wxPoint2D_helper(PyObject* source, wxPoint2D** obj) { if (source == Py_None) { **obj = wxPoint2D(-1,-1); - return True; + return true; } // If source is an object instance then it may already be the right type @@ -2520,7 +2710,7 @@ bool wxPoint2D_helper(PyObject* source, wxPoint2D** obj) { if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxPoint2D"))) goto error; *obj = ptr; - return True; + return true; } // otherwise a length-2 sequence of floats is expected if (PySequence_Check(source) && PySequence_Length(source) == 2) { @@ -2535,11 +2725,11 @@ bool wxPoint2D_helper(PyObject* source, wxPoint2D** obj) { **obj = wxPoint2D(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2)); Py_DECREF(o1); Py_DECREF(o2); - return True; + return true; } error: PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wxPoint2D object."); - return False; + return false; } @@ -2573,6 +2763,145 @@ PyObject* wxArrayInt2PyList_helper(const wxArrayInt& arr) { } +//---------------------------------------------------------------------- +// 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; +} + + //---------------------------------------------------------------------- //----------------------------------------------------------------------