X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/db0ff83efbd6105c04d5ab84c85094e887e97b9a..1b9631c95d80bf961c2e999afb0958b9f542b99c:/wxPython/src/helpers.cpp diff --git a/wxPython/src/helpers.cpp b/wxPython/src/helpers.cpp index aa48fa7128..24d16eb352 100644 --- a/wxPython/src/helpers.cpp +++ b/wxPython/src/helpers.cpp @@ -4,18 +4,17 @@ // // Author: Robin Dunn // -// Created: 7/1/97 +// Created: 1-July-1997 // RCS-ID: $Id$ // Copyright: (c) 1998 by Total Control Software // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// -#include // get the correct definition of NULL #undef DEBUG #include -#include "helpers.h" -#include "pyistream.h" +#include "wx/wxPython/wxPython_int.h" +#include "wx/wxPython/pyistream.h" #ifdef __WXMSW__ #include @@ -29,6 +28,9 @@ #include #endif +#include +#include +#include //---------------------------------------------------------------------- @@ -38,15 +40,9 @@ //---------------------------------------------------------------------- -#ifdef __WXGTK__ -int WXDLLEXPORT wxEntryStart( int& argc, char** argv ); -#else -int WXDLLEXPORT wxEntryStart( int argc, char** argv ); -#endif -int WXDLLEXPORT wxEntryInitGui(); -void WXDLLEXPORT wxEntryCleanup(); - wxPyApp* wxPythonApp = NULL; // Global instance of application object +bool wxPyDoCleanup = False; +bool wxPyDoingCleanup = False; #ifdef WXP_WITH_THREAD @@ -68,6 +64,12 @@ wxMutex* wxPyTMutex = NULL; #endif +static PyObject* wxPython_dict = NULL; +static PyObject* wxPyAssertionError = NULL; + +PyObject* wxPyPtrTypeMap = NULL; + + #ifdef __WXMSW__ // If building for win32... //---------------------------------------------------------------------- // This gets run when the DLL is loaded. We just need to save a handle. @@ -79,8 +81,11 @@ BOOL WINAPI DllMain( LPVOID lpvReserved // reserved ) { - wxSetInstance(hinstDLL); - return 1; + // If wxPython is embedded in another wxWindows app then + // the inatance has already been set. + if (! wxGetInstance()) + wxSetInstance(hinstDLL); + return True; } #endif @@ -88,19 +93,22 @@ BOOL WINAPI DllMain( // Classes for implementing the wxp main application shell. //---------------------------------------------------------------------- +IMPLEMENT_ABSTRACT_CLASS(wxPyApp, wxApp); + wxPyApp::wxPyApp() { -// printf("**** ctor\n"); + m_assertMode = wxPYAPP_ASSERT_EXCEPTION; + m_startupComplete = False; } + wxPyApp::~wxPyApp() { -// printf("**** dtor\n"); } -// This one isn't acutally called... See __wxStart() +// This one isn't acutally called... We fake it with _BootstrapApp bool wxPyApp::OnInit() { - return FALSE; + return False; } @@ -109,11 +117,11 @@ int wxPyApp::MainLoop() { DeletePendingObjects(); bool initialized = wxTopLevelWindows.GetCount() != 0; -#ifdef __WXGTK__ - m_initialized = initialized; -#endif - if (initialized) { + if ( m_exitOnFrameDelete == Later ) { + m_exitOnFrameDelete = Yes; + } + retval = wxApp::MainLoop(); OnExit(); } @@ -121,11 +129,273 @@ int wxPyApp::MainLoop() { } +bool wxPyApp::OnInitGui() { + bool rval=True; + wxApp::OnInitGui(); // in this case always call the base class version + wxPyBeginBlockThreads(); + if (wxPyCBH_findCallback(m_myInst, "OnInitGui")) + rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()")); + wxPyEndBlockThreads(); + return rval; +} + + +int wxPyApp::OnExit() { + int rval=0; + wxPyBeginBlockThreads(); + if (wxPyCBH_findCallback(m_myInst, "OnExit")) + rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()")); + wxPyEndBlockThreads(); + wxApp::OnExit(); // in this case always call the base class version + return rval; +} + + +#ifdef __WXDEBUG__ +void wxPyApp::OnAssert(const wxChar *file, + int line, + 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; + } + wxLogDebug(buf); + return; + } + + // If the OnAssert is overloaded in the Python class then call it... + bool found; + wxPyBeginBlockThreads(); + if ((found = wxPyCBH_findCallback(m_myInst, "OnAssert"))) { + PyObject* fso = wx2PyString(file); + PyObject* cso = wx2PyString(file); + PyObject* mso; + if (msg != NULL) + mso = wx2PyString(file); + else { + mso = Py_None; Py_INCREF(Py_None); + } + wxPyCBH_callCallback(m_myInst, Py_BuildValue("(OiOO)", fso, line, cso, mso)); + Py_DECREF(fso); + Py_DECREF(cso); + Py_DECREF(mso); + } + wxPyEndBlockThreads(); + + // ...otherwise do our own thing with it + if (! found) { + // ignore it? + if (m_assertMode & wxPYAPP_ASSERT_SUPPRESS) + return; + + // turn it into a Python exception? + 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; + } + + // set the exception + wxPyBeginBlockThreads(); + PyObject* s = wx2PyString(buf); + PyErr_SetObject(wxPyAssertionError, s); + Py_DECREF(s); + wxPyEndBlockThreads(); + + // Now when control returns to whatever API wrapper was called from + // Python it should detect that an exception is set and will return + // NULL, signalling the exception to Python. + } + + // Send it to the normal log destination, but only if + // not _DIALOG because it will call this too + if ( (m_assertMode & wxPYAPP_ASSERT_LOG) && !(m_assertMode & wxPYAPP_ASSERT_DIALOG)) { + wxString buf; + buf.Alloc(4096); + buf.Printf(wxT("%s(%d): assert \"%s\" failed"), + file, line, cond); + if (msg != NULL) { + buf += wxT(": "); + buf += msg; + } + wxLogDebug(buf); + } + + // do the normal wx assert dialog? + if (m_assertMode & wxPYAPP_ASSERT_DIALOG) + wxApp::OnAssert(file, line, cond, msg); + } +} +#endif + + + +/*static*/ +bool wxPyApp::GetMacSupportPCMenuShortcuts() { +#ifdef __WXMAC__ + return s_macSupportPCMenuShortcuts; +#else + return 0; +#endif +} + +/*static*/ +long wxPyApp::GetMacAboutMenuItemId() { +#ifdef __WXMAC__ + return s_macAboutMenuItemId; +#else + return 0; +#endif +} + +/*static*/ +long wxPyApp::GetMacPreferencesMenuItemId() { +#ifdef __WXMAC__ + return s_macPreferencesMenuItemId; +#else + return 0; +#endif +} + +/*static*/ +long wxPyApp::GetMacExitMenuItemId() { +#ifdef __WXMAC__ + return s_macExitMenuItemId; +#else + return 0; +#endif +} + +/*static*/ +wxString wxPyApp::GetMacHelpMenuTitleName() { +#ifdef __WXMAC__ + return s_macHelpMenuTitleName; +#else + return wxEmptyString; +#endif +} + +/*static*/ +void wxPyApp::SetMacSupportPCMenuShortcuts(bool val) { +#ifdef __WXMAC__ + s_macSupportPCMenuShortcuts = val; +#endif +} + +/*static*/ +void wxPyApp::SetMacAboutMenuItemId(long val) { +#ifdef __WXMAC__ + s_macAboutMenuItemId = val; +#endif +} + +/*static*/ +void wxPyApp::SetMacPreferencesMenuItemId(long val) { +#ifdef __WXMAC__ + s_macPreferencesMenuItemId = val; +#endif +} + +/*static*/ +void wxPyApp::SetMacExitMenuItemId(long val) { +#ifdef __WXMAC__ + s_macExitMenuItemId = val; +#endif +} + +/*static*/ +void wxPyApp::SetMacHelpMenuTitleName(const wxString& val) { +#ifdef __WXMAC__ + s_macHelpMenuTitleName = val; +#endif +} + + +// This finishes the initialization of wxWindows and then calls the OnInit +// that should be present in the derived (Python) class. +void wxPyApp::_BootstrapApp() +{ + bool result; + 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; + wxPyBeginBlockThreads(); + PyObject* sysargv = PySys_GetObject("argv"); + if (sysargv != NULL) { + argc = PyList_Size(sysargv); + argv = new char*[argc+1]; + int x; + for(x=0; xSetStartupComplete(True); + + // Call the Python wxApp's OnInit function + if (wxPyCBH_findCallback(m_myInst, "OnInit")) { + retval = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("()")); + pyint = PyNumber_Int(retval); + if (! pyint) { + PyErr_SetString(PyExc_TypeError, "OnInit should return a boolean value"); + goto error; + } + result = PyInt_AS_LONG(pyint); + } + else { + // Is it okay if there is no OnInit? Probably so... + result = True; + } + + + if (! result) { + PyErr_SetString(PyExc_SystemExit, "OnInit returned False, exiting..."); + } + + error: + Py_XDECREF(retval); + Py_XDECREF(pyint); + + wxPyEndBlockThreads(); +}; //--------------------------------------------------------------------- //---------------------------------------------------------------------- +#if 0 static char* wxPyCopyCString(const wxChar* src) { wxWX2MBbuf buff = (wxWX2MBbuf)wxConvCurrent->cWX2MB(src); @@ -158,14 +428,22 @@ static wxChar* wxPyCopyWString(const wxChar *src) return copystring(src); } #endif +#endif + +inline const char* dropwx(const char* name) { + if (name[0] == 'w' && name[1] == 'x') + return name+2; + else + return name; +} //---------------------------------------------------------------------- -// This is where we pick up the first part of the wxEntry functionality... -// The rest is in __wxStart and __wxCleanup. This function is called when -// wxcmodule is imported. (Before there is a wxApp object.) -void __wxPreStart() +// 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 +// wxPyApp::_BootstrapApp +void __wxPyPreStart(PyObject* moduleDict) { #ifdef __WXMSW__ @@ -176,111 +454,27 @@ void __wxPreStart() PyEval_InitThreads(); wxPyTStates = new wxPyThreadStateArray; wxPyTMutex = new wxMutex; -#endif - // Bail out if there is already windows created. This means that the - // toolkit has already been initialized, as in embedding wxPython in - // a C++ wxWindows app. - if (wxTopLevelWindows.Number() > 0) - return; - - - int argc = 0; - char** argv = NULL; - PyObject* sysargv = PySys_GetObject("argv"); - if (sysargv != NULL) { - argc = PyList_Size(sysargv); - argv = new char*[argc+1]; - int x; - for(x=0; x 0) { - PyErr_SetString(PyExc_TypeError, "Only 1 wxApp per process!"); - return NULL; - } -#endif + // Ensure that the build options in the DLL (or whatever) match this build + wxApp::CheckBuildOptions(WX_BUILD_OPTIONS_SIGNATURE, "wxPython"); - // This is the next part of the wxEntry functionality... - int argc = 0; - wxChar** argv = NULL; - PyObject* sysargv = PySys_GetObject("argv"); - if (sysargv != NULL) { - argc = PyList_Size(sysargv); - argv = new wxChar*[argc+1]; - int x; - for(x=0; xargc = argc; - wxPythonApp->argv = argv; - wxEntryInitGui(); - // Call the Python App's OnInit function - arglist = PyTuple_New(0); - result = PyEval_CallObject(onInitFunc, arglist); - if (!result) { // an exception was raised. - return NULL; +void __wxPyCleanup() { + wxPyDoingCleanup = True; + if (wxPyDoCleanup) { + wxPyDoCleanup = False; + wxEntryCleanup(); } - - if (! PyInt_Check(result)) { - PyErr_SetString(PyExc_TypeError, "OnInit should return a boolean value"); - return NULL; - } - bResult = PyInt_AS_LONG(result); - if (! bResult) { - PyErr_SetString(PyExc_SystemExit, "OnInit returned FALSE, exiting..."); - return NULL; - } - -#ifdef __WXGTK__ - wxTheApp->m_initialized = (wxTopLevelWindows.GetCount() > 0); -#endif - - Py_INCREF(Py_None); - return Py_None; -} - - -void __wxCleanup() { - wxEntryCleanup(); #ifdef WXP_WITH_THREAD delete wxPyTMutex; wxPyTMutex = NULL; @@ -291,18 +485,16 @@ void __wxCleanup() { } - -static PyObject* wxPython_dict = NULL; -static PyObject* wxPyPtrTypeMap = NULL; - -PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args) +// Save a reference to the dictionary of the wx.core module, and inject +// a few more things into it. +PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args) { if (!PyArg_ParseTuple(args, "O", &wxPython_dict)) return NULL; if (!PyDict_Check(wxPython_dict)) { - PyErr_SetString(PyExc_TypeError, "_wxSetDictionary must have dictionary object!"); + PyErr_SetString(PyExc_TypeError, "_wxPySetDictionary must have dictionary object!"); return NULL; } @@ -310,6 +502,11 @@ PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args) wxPyPtrTypeMap = PyDict_New(); PyDict_SetItemString(wxPython_dict, "__wxPyPtrTypeMap", wxPyPtrTypeMap); + // Create an exception object to use for wxASSERTions + wxPyAssertionError = PyErr_NewException("wx.core.PyAssertionError", + PyExc_AssertionError, NULL); + PyDict_SetItemString(wxPython_dict, "PyAssertionError", wxPyAssertionError); + #ifdef __WXMOTIF__ #define wxPlatform "__WXMOTIF__" @@ -327,11 +524,210 @@ PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args) #define wxPlatform "__WXMAC__" #endif - PyDict_SetItemString(wxPython_dict, "wxPlatform", PyString_FromString(wxPlatform)); - PyDict_SetItemString(wxPython_dict, "wxUSE_UNICODE", PyInt_FromLong(wxUSE_UNICODE)); +#ifdef __WXDEBUG__ + int wxdebug = 1; +#else + int wxdebug = 0; +#endif + + PyDict_SetItemString(wxPython_dict, "Platform", PyString_FromString(wxPlatform)); + PyDict_SetItemString(wxPython_dict, "USE_UNICODE", PyInt_FromLong(wxUSE_UNICODE)); + PyDict_SetItemString(wxPython_dict, "__WXDEBUG__", PyInt_FromLong(wxdebug)); - Py_INCREF(Py_None); - return Py_None; + 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; +} + + +// 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. This function will be called before +// OnInit is called so we can hack the new pointer values into the obj.this attributes. + +void wxPy_ReinitStockObjects(bool init) +{ + PyObject* obj; + PyObject* ptrobj; + + +#define REINITOBJ(name, classname) \ + if ( init ) { name = (classname*)0xC0C0C0C0; } else { \ + obj = PyDict_GetItemString(wxPython_dict, dropwx(#name)); \ + wxCHECK_RET(obj != NULL, wxT("Unable to find stock object for " #name)) \ + wxCHECK_RET(wxPySwigInstance_Check(obj), wxT("Not a swig instance: " #name)); \ + ptrobj = wxPyMakeSwigPtr((void*)name, wxT(#classname)); \ + PyObject_SetAttrString(obj, "this", ptrobj); \ + Py_DECREF(ptrobj); } + +#define REINITOBJ2(name, classname) \ + if ( init ) { } else { \ + obj = PyDict_GetItemString(wxPython_dict, dropwx(#name)); \ + wxCHECK_RET(obj != NULL, wxT("Unable to find stock object for " #name)) \ + wxCHECK_RET(wxPySwigInstance_Check(obj), wxT("Not a swig instance: " #name)); \ + ptrobj = wxPyMakeSwigPtr((void*)&name, wxT(#classname)); \ + PyObject_SetAttrString(obj, "this", ptrobj); \ + Py_DECREF(ptrobj); } + + + 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); + + + REINITOBJ(wxTheClipboard, wxClipboard); + REINITOBJ2(wxDefaultValidator, wxValidator); + REINITOBJ2(wxNullImage, wxImage); + REINITOBJ2(wxNullAcceleratorTable, wxAcceleratorTable); + +#undef REINITOBJ +#undef REINITOBJ2 +} + +//--------------------------------------------------------------------------- + +void wxPyClientData_dtor(wxPyClientData* self) { + if (! wxPyDoingCleanup) { // Don't do it during cleanup as Python + // may have already garbage collected the object... + wxPyBeginBlockThreads(); + Py_DECREF(self->m_obj); + self->m_obj = NULL; + wxPyEndBlockThreads(); + } +} + +void wxPyUserData_dtor(wxPyUserData* self) { + if (! wxPyDoingCleanup) { + wxPyBeginBlockThreads(); + Py_DECREF(self->m_obj); + self->m_obj = NULL; + wxPyEndBlockThreads(); + } +} + + +// This is called when an OOR controled object is being destroyed. Although +// the C++ object is going away there is no way to force the Python object +// (and all references to it) to die too. This causes problems (crashes) in +// wxPython when a python shadow object attempts to call a C++ method using +// the now bogus pointer... So to try and prevent this we'll do a little black +// magic and change the class of the python instance to a class that will +// raise an exception for any attempt to call methods with it. See +// _wxPyDeadObject in _core_ex.py for the implementation of this class. +void wxPyOORClientData_dtor(wxPyOORClientData* self) { + + static PyObject* deadObjectClass = NULL; + + wxPyBeginBlockThreads(); + if (deadObjectClass == NULL) { + deadObjectClass = PyDict_GetItemString(wxPython_dict, "_wxPyDeadObject"); + // TODO: Can not wxASSERT here because inside a wxPyBeginBlock Threads, + // will lead to a deadlock when it tries to aquire the GIL again. + //wxASSERT_MSG(deadObjectClass != NULL, wxT("Can't get _wxPyDeadObject class!")); + Py_INCREF(deadObjectClass); + } + + + // Only if there is more than one reference to the object + if ( !wxPyDoingCleanup && self->m_obj->ob_refcnt > 1 ) { + // bool isInstance = wxPyInstance_Check(self->m_obj); + // TODO same here + //wxASSERT_MSG(isInstance, wxT("m_obj not an instance!?!?!")); + + // Call __del__, if there is one. + PyObject* func = PyObject_GetAttrString(self->m_obj, "__del__"); + if (func) { + PyObject* rv = PyObject_CallMethod(self->m_obj, "__del__", NULL); + Py_XDECREF(rv); + Py_DECREF(func); + } + if (PyErr_Occurred()) + PyErr_Clear(); // just ignore it for now + + + PyObject* dict = PyObject_GetAttrString(self->m_obj, "__dict__"); + if (dict) { + // Clear the instance's dictionary + PyDict_Clear(dict); + + // put the name of the old class into the instance, and then reset the + // class to be the dead class. + PyObject* klass = PyObject_GetAttrString(self->m_obj, "__class__"); + PyObject* name = PyObject_GetAttrString(klass, "__name__"); + PyDict_SetItemString(dict, "_name", name); + PyObject_SetAttrString(self->m_obj, "__class__", deadObjectClass); + //Py_INCREF(deadObjectClass); + Py_DECREF(klass); + Py_DECREF(name); + } + } + + // m_obj is DECREF'd in the base class dtor... + wxPyEndBlockThreads(); } @@ -344,6 +740,7 @@ PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args) // is not the same as the shadow class name, for example wxPyTreeCtrl // vs. wxTreeCtrl. It needs to be referenced in Python as well as from C++, // so we'll just make it a Python dictionary in the wx module's namespace. +// (See __wxSetDictionary) void wxPyPtrTypeMap_Add(const char* commonName, const char* ptrName) { if (! wxPyPtrTypeMap) wxPyPtrTypeMap = PyDict_New(); @@ -354,55 +751,45 @@ void wxPyPtrTypeMap_Add(const char* commonName, const char* ptrName) { -PyObject* wxPyClassExists(const wxString& className) { - - if (!className) - return NULL; - - char buff[64]; // should always be big enough... - - sprintf(buff, "%sPtr", className.mbc_str()); - PyObject* classobj = PyDict_GetItemString(wxPython_dict, buff); - - return classobj; // returns NULL if not found -} - PyObject* wxPyMake_wxObject(wxObject* source, bool checkEvtHandler) { PyObject* target = NULL; - bool isEvtHandler = FALSE; + bool isEvtHandler = 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; - wxPyClientData* data = (wxPyClientData*)eh->GetClientObject(); + wxPyOORClientData* data = (wxPyOORClientData*)eh->GetClientObject(); if (data) { target = data->m_obj; - Py_INCREF(target); + 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. - 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); + // Otherwise make it the old fashioned way by making a new shadow + // object and putting this pointer in it. Look up the class + // heirarchy until we find a class name that is located in the + // python module. + const wxClassInfo* info = source->GetClassInfo(); + wxString name = info->GetClassName(); + bool exists = wxPyCheckSwigType(name); + while (info && !exists) { + info = info->GetBaseClass1(); + name = info->GetClassName(); + exists = wxPyCheckSwigType(name); } if (info) { - target = wxPyConstructObject(source, name, klass, FALSE); + target = wxPyConstructObject((void*)source, name, False); if (target && isEvtHandler) - ((wxEvtHandler*)source)->SetClientObject(new wxPyClientData(target)); + ((wxEvtHandler*)source)->SetClientObject(new wxPyOORClientData(target)); } else { - wxString msg("wxPython class not found for "); + wxString msg(wxT("wxPython class not found for ")); msg += source->GetClassInfo()->GetClassName(); PyErr_SetString(PyExc_NameError, msg.mbc_str()); target = NULL; @@ -419,89 +806,25 @@ PyObject* wxPyMake_wxSizer(wxSizer* source) { PyObject* target = NULL; if (source && wxIsKindOf(source, wxSizer)) { - // If it's derived from wxSizer then there may - // already be a pointer to a Python object that we can use - // in the OOR data. + // If it's derived from wxSizer then there may already be a pointer to + // a Python object that we can use in the OOR data. wxSizer* sz = (wxSizer*)source; - wxPyClientData* data = (wxPyClientData*)sz->GetClientObject(); + wxPyOORClientData* data = (wxPyOORClientData*)sz->GetClientObject(); if (data) { target = data->m_obj; - Py_INCREF(target); + if (target) + Py_INCREF(target); } } if (! target) { - target = wxPyMake_wxObject(source, FALSE); + target = wxPyMake_wxObject(source, False); if (target != Py_None) - ((wxSizer*)source)->SetClientObject(new wxPyClientData(target)); + ((wxSizer*)source)->SetClientObject(new wxPyOORClientData(target)); } return target; } - -//--------------------------------------------------------------------------- - -PyObject* wxPyConstructObject(void* ptr, - const wxString& className, - PyObject* klass, - int setThisOwn) { - - PyObject* obj; - PyObject* arg; - PyObject* item; - wxString name(className); - char swigptr[64]; // should always be big enough... - char buff[64]; - - if ((item = PyDict_GetItemString(wxPyPtrTypeMap, (char*)(const char*)name.mbc_str())) != NULL) { - name = wxString(PyString_AsString(item), *wxConvCurrent); - } - sprintf(buff, "_%s_p", (const char*)name.mbc_str()); - 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 wxString& className, - int setThisOwn) { - PyObject* obj; - - if (!ptr) { - Py_INCREF(Py_None); - return Py_None; - } - - char buff[64]; // should always be big enough... - sprintf(buff, "%sPtr", (const char*)className.mbc_str()); - - wxASSERT_MSG(wxPython_dict, wxT("wxPython_dict is not set yet!!")); - - PyObject* classobj = PyDict_GetItemString(wxPython_dict, buff); - if (! classobj) { - char temp[128]; - sprintf(temp, - "*** Unknown class name %s, tell Robin about it please ***", - buff); - obj = PyString_FromString(temp); - return obj; - } - - return wxPyConstructObject(ptr, className, classobj, setThisOwn); -} - - //--------------------------------------------------------------------------- @@ -512,6 +835,7 @@ unsigned long wxPyGetCurrentThreadId() { } static PyThreadState* gs_shutdownTState; + static PyThreadState* wxPyGetThreadState() { if (wxPyTMutex == NULL) // Python is shutting down... @@ -544,7 +868,15 @@ void wxPySaveThreadState(PyThreadState* tstate) { for(size_t i=0; i < wxPyTStates->GetCount(); i++) { wxPyThreadState& info = wxPyTStates->Item(i); if (info.tid == ctid) { - info.tstate = tstate; +#if 0 + if (info.tstate != tstate) + wxLogMessage("*** tstate mismatch!???"); +#endif + // info.tstate = tstate; *** DO NOT update existing ones??? + // Normally it will never change, but apparently COM callbacks + // (i.e. ActiveX controls) will (incorrectly IMHO) use a transient + // tstate which will then be garbage the next time we try to use + // it... wxPyTMutex->Unlock(); return; } @@ -591,8 +923,9 @@ void wxPyBeginBlockThreads() { void wxPyEndBlockThreads() { #ifdef WXP_WITH_THREAD - PyThreadState* tstate = PyEval_SaveThread(); // Is there any need to save it again? + // PyThreadState* tstate = + PyEval_SaveThread(); #endif } @@ -613,7 +946,7 @@ bool wxPyInputStream::eof() { if (m_wxis) return m_wxis->Eof(); else - return TRUE; + return True; } wxPyInputStream::~wxPyInputStream() { @@ -630,13 +963,15 @@ PyObject* wxPyInputStream::read(int size) { // check if we have a real wxInputStream to work with if (!m_wxis) { + wxPyBeginBlockThreads(); PyErr_SetString(PyExc_IOError, "no valid C-wxInputStream"); + wxPyEndBlockThreads(); return NULL; } if (size < 0) { - // read until EOF - while (! m_wxis->Eof()) { + // read while bytes are available on the stream + while ( m_wxis->CanRead() ) { m_wxis->Read(buf.GetAppendBuf(BUFSIZE), BUFSIZE); buf.UngetAppendBuf(m_wxis->LastRead()); } @@ -647,13 +982,16 @@ PyObject* wxPyInputStream::read(int size) { } // error check - if (m_wxis->LastError() == wxSTREAM_READ_ERROR) { + wxPyBeginBlockThreads(); + wxStreamError err = m_wxis->GetLastError(); + if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) { PyErr_SetString(PyExc_IOError,"IOError in wxInputStream"); } else { // We use only strings for the streams, not unicode obj = PyString_FromStringAndSize(buf, buf.GetDataLen()); } + wxPyEndBlockThreads(); return obj; } @@ -666,24 +1004,29 @@ PyObject* wxPyInputStream::readline(int size) { // check if we have a real wxInputStream to work with if (!m_wxis) { + wxPyBeginBlockThreads(); PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream"); + wxPyEndBlockThreads(); return NULL; } // read until \n or byte limit reached - for (i=ch=0; (ch != '\n') && (!m_wxis->Eof()) && ((size < 0) || (i < size)); i++) { + for (i=ch=0; (ch != '\n') && (m_wxis->CanRead()) && ((size < 0) || (i < size)); i++) { ch = m_wxis->GetC(); buf.AppendByte(ch); } // errorcheck - if (m_wxis->LastError() == wxSTREAM_READ_ERROR) { + wxPyBeginBlockThreads(); + wxStreamError err = m_wxis->GetLastError(); + if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) { PyErr_SetString(PyExc_IOError,"IOError in wxInputStream"); } else { // We use only strings for the streams, not unicode obj = PyString_FromStringAndSize((char*)buf.GetData(), buf.GetDataLen()); } + wxPyEndBlockThreads(); return obj; } @@ -693,33 +1036,45 @@ PyObject* wxPyInputStream::readlines(int sizehint) { // check if we have a real wxInputStream to work with if (!m_wxis) { - PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream below"); + wxPyBeginBlockThreads(); + PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream"); + wxPyEndBlockThreads(); return NULL; } // init list + wxPyBeginBlockThreads(); pylist = PyList_New(0); if (!pylist) { + wxPyBeginBlockThreads(); PyErr_NoMemory(); + wxPyEndBlockThreads(); return NULL; } // read sizehint bytes or until EOF int i; - for (i=0; (!m_wxis->Eof()) && ((sizehint < 0) || (i < sizehint));) { + for (i=0; (m_wxis->CanRead()) && ((sizehint < 0) || (i < sizehint));) { PyObject* s = this->readline(); if (s == NULL) { + wxPyBeginBlockThreads(); Py_DECREF(pylist); + wxPyEndBlockThreads(); return NULL; } + wxPyBeginBlockThreads(); PyList_Append(pylist, s); i += PyString_Size(s); + wxPyEndBlockThreads(); } // error check - if (m_wxis->LastError() == wxSTREAM_READ_ERROR) { + wxStreamError err = m_wxis->GetLastError(); + if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) { + wxPyBeginBlockThreads(); Py_DECREF(pylist); PyErr_SetString(PyExc_IOError,"IOError in wxInputStream"); + wxPyEndBlockThreads(); return NULL; } @@ -775,6 +1130,11 @@ wxPyCBInputStream* wxPyCBInputStream::create(PyObject *py, bool block) { return new wxPyCBInputStream(read, seek, tell, block); } + +wxPyCBInputStream* wxPyCBInputStream_create(PyObject *py, bool block) { + return wxPyCBInputStream::create(py, block); +} + PyObject* wxPyCBInputStream::getMethod(PyObject* py, char* name) { if (!PyObject_HasAttrString(py, name)) return NULL; @@ -823,7 +1183,6 @@ size_t wxPyCBInputStream::OnSysRead(void *buffer, size_t bufsize) { else m_lasterror = wxSTREAM_READ_ERROR; wxPyEndBlockThreads(); - m_lastcount = o; return o; } @@ -834,7 +1193,12 @@ size_t wxPyCBInputStream::OnSysWrite(const void *buffer, size_t bufsize) { off_t wxPyCBInputStream::OnSysSeek(off_t off, wxSeekMode mode) { 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 PyObject* result = PyEval_CallObject(m_seek, arglist); Py_DECREF(arglist); Py_XDECREF(result); @@ -842,6 +1206,7 @@ off_t wxPyCBInputStream::OnSysSeek(off_t off, wxSeekMode mode) { return OnSysTell(); } + off_t wxPyCBInputStream::OnSysTell() const { wxPyBeginBlockThreads(); PyObject* arglist = Py_BuildValue("()"); @@ -849,7 +1214,13 @@ off_t wxPyCBInputStream::OnSysTell() const { Py_DECREF(arglist); off_t o = 0; if (result != NULL) { +#ifdef _LARGE_FILES + if (PyLong_Check(result)) + o = PyLong_AsLongLong(result); + else +#else o = PyInt_AsLong(result); +#endif Py_DECREF(result); }; wxPyEndBlockThreads(); @@ -885,29 +1256,50 @@ void wxPyCallback::EventThunker(wxEvent& event) { PyObject* result; PyObject* arg; PyObject* tuple; - + bool checkSkip = False; wxPyBeginBlockThreads(); wxString className = event.GetClassInfo()->GetClassName(); - if (className == "wxPyEvent") - arg = ((wxPyEvent*)&event)->GetSelf(); - else if (className == "wxPyCommandEvent") - arg = ((wxPyCommandEvent*)&event)->GetSelf(); + // If the event is one of these types then pass the original + // event object instead of the one passed to us. + if ( className == wxT("wxPyEvent") ) { + arg = ((wxPyEvent*)&event)->GetSelf(); + checkSkip = ((wxPyEvent*)&event)->GetCloned(); + } + else if ( className == wxT("wxPyCommandEvent") ) { + arg = ((wxPyCommandEvent*)&event)->GetSelf(); + checkSkip = ((wxPyCommandEvent*)&event)->GetCloned(); + } else { arg = wxPyConstructObject((void*)&event, className); } + // Call the event handler, passing the event object tuple = PyTuple_New(1); - PyTuple_SET_ITEM(tuple, 0, arg); + PyTuple_SET_ITEM(tuple, 0, arg); // steals ref to arg result = PyEval_CallObject(func, tuple); - Py_DECREF(tuple); - if (result) { - Py_DECREF(result); + if ( result ) { + Py_DECREF(result); // result is ignored, but we still need to decref it PyErr_Clear(); // Just in case... } else { PyErr_Print(); } + + if ( checkSkip ) { + // if the event object was one of our special types and + // it had been cloned, then we need to extract the Skipped + // value from the original and set it in the clone. + result = PyObject_CallMethod(arg, "GetSkipped", ""); + if ( result ) { + event.Skip(PyInt_AsLong(result)); + Py_DECREF(result); + } else { + PyErr_Print(); + } + } + + Py_DECREF(tuple); wxPyEndBlockThreads(); } @@ -954,7 +1346,6 @@ PyObject* PyFindClassWithAttr(PyObject *klass, PyObject *name) if (PyType_Check(klass)) { // new style classes // This code is borrowed/adapted from _PyType_Lookup in typeobject.c - // (TODO: This part is not tested yet, so I'm not sure it is correct...) PyTypeObject* type = (PyTypeObject*)klass; PyObject *mro, *res, *base, *dict; /* Look in tp_dict of types in MRO */ @@ -1029,7 +1420,7 @@ bool wxPyCallbackHelper::findCallback(const char* name) const { // not from a base class... if (PyMethod_Check(method) && (klass = PyMethod_GetDefiningClass(method, (char*)name)) != NULL && - ((klass == m_class) || PyClass_IsSubclass(klass, m_class))) { + ((klass == m_class) || PyObject_IsSubclass(klass, m_class))) { // ...then we'll save a pointer to the method so callCallback can call it. self->m_lastFound = method; @@ -1044,7 +1435,7 @@ bool wxPyCallbackHelper::findCallback(const char* name) const { int wxPyCallbackHelper::callCallback(PyObject* argTuple) const { PyObject* result; - int retval = FALSE; + int retval = False; result = callCallbackObj(argTuple); if (result) { // Assumes an integer return type... @@ -1111,7 +1502,7 @@ 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() { @@ -1128,7 +1519,7 @@ void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) { m_self = self; if (clone) { Py_INCREF(m_self); - m_cloned = TRUE; + m_cloned = True; } wxPyEndBlockThreads(); } @@ -1143,15 +1534,15 @@ IMPLEMENT_ABSTRACT_CLASS(wxPyEvent, wxEvent); IMPLEMENT_ABSTRACT_CLASS(wxPyCommandEvent, wxCommandEvent); -wxPyEvent::wxPyEvent(int id) - : wxEvent(id) { +wxPyEvent::wxPyEvent(int winid, wxEventType commandType) + : wxEvent(winid, commandType) { } wxPyEvent::wxPyEvent(const wxPyEvent& evt) : wxEvent(evt) { - SetSelf(evt.m_self, TRUE); + SetSelf(evt.m_self, True); } @@ -1167,7 +1558,7 @@ wxPyCommandEvent::wxPyCommandEvent(wxEventType commandType, int id) wxPyCommandEvent::wxPyCommandEvent(const wxPyCommandEvent& evt) : wxCommandEvent(evt) { - SetSelf(evt.m_self, TRUE); + SetSelf(evt.m_self, True); } @@ -1177,63 +1568,25 @@ wxPyCommandEvent::~wxPyCommandEvent() { -//--------------------------------------------------------------------------- -//--------------------------------------------------------------------------- - - -wxPyTimer::wxPyTimer(PyObject* callback) { - func = callback; - Py_INCREF(func); -} - -wxPyTimer::~wxPyTimer() { - wxPyBeginBlockThreads(); - Py_DECREF(func); - wxPyEndBlockThreads(); -} - -void wxPyTimer::Notify() { - if (!func || func == Py_None) { - wxTimer::Notify(); - } - else { - wxPyBeginBlockThreads(); - - PyObject* result; - PyObject* args = Py_BuildValue("()"); - - result = PyEval_CallObject(func, args); - Py_DECREF(args); - if (result) { - Py_DECREF(result); - PyErr_Clear(); - } else { - PyErr_Print(); - } - - wxPyEndBlockThreads(); - } -} - - //--------------------------------------------------------------------------- //--------------------------------------------------------------------------- -// Convert a wxList to a Python List +// Convert a wxList to a Python List, only works for lists of wxObjects -PyObject* wxPy_ConvertList(wxListBase* list, const char* className) { +PyObject* wxPy_ConvertList(wxListBase* listbase) { + wxList* list = (wxList*)listbase; // this is probably bad... PyObject* pyList; PyObject* pyObj; wxObject* wxObj; - wxNode* node = list->First(); + wxNode* node = list->GetFirst(); wxPyBeginBlockThreads(); pyList = PyList_New(0); while (node) { - wxObj = node->Data(); - pyObj = wxPyMake_wxObject(wxObj); //wxPyConstructObject(wxObj, className); + wxObj = node->GetData(); + pyObj = wxPyMake_wxObject(wxObj); PyList_Append(pyList, pyObj); - node = node->Next(); + node = node->GetNext(); } wxPyEndBlockThreads(); return pyList; @@ -1249,10 +1602,14 @@ long wxPyGetWinHandle(wxWindow* win) { // Find and return the actual X-Window. #ifdef __WXGTK__ if (win->m_wxwindow) { +#ifdef __WXGTK20__ + return (long) GDK_WINDOW_XWINDOW(GTK_PIZZA(win->m_wxwindow)->bin_window); +#else GdkWindowPrivate* bwin = (GdkWindowPrivate*)GTK_PIZZA(win->m_wxwindow)->bin_window; if (bwin) { return (long)bwin->xwindow; } +#endif } #endif return 0; @@ -1278,7 +1635,12 @@ wxString* wxString_in_helper(PyObject* source) { } #if wxUSE_UNICODE if (PyUnicode_Check(source)) { - target = new wxString(PyUnicode_AS_UNICODE(source)); + target = new wxString(); + size_t len = PyUnicode_GET_SIZE(source); + if (len) { + PyUnicode_AsWideChar((PyUnicodeObject*)source, target->GetWriteBuf(len), len); + target->UngetWriteBuf(); + } } else { // It is a string, get pointers to it and transform to unicode char* tmpPtr; int tmpSize; @@ -1309,18 +1671,22 @@ wxString* wxString_in_helper(PyObject* source) { wxString Py2wxString(PyObject* source) { wxString target; - bool doDecRef = FALSE; + bool doDecRef = False; #if PYTHON_API_VERSION >= 1009 // Have Python unicode API if (!PyString_Check(source) && !PyUnicode_Check(source)) { // Convert to String if not one already... (TODO: Unicode too?) source = PyObject_Str(source); - doDecRef = TRUE; + doDecRef = True; } #if wxUSE_UNICODE if (PyUnicode_Check(source)) { - target = PyUnicode_AS_UNICODE(source); + size_t len = PyUnicode_GET_SIZE(source); + if (len) { + PyUnicode_AsWideChar((PyUnicodeObject*)source, target.GetWriteBuf(len), len); + target.UngetWriteBuf(); + } } else { // It is a string, get pointers to it and transform to unicode char* tmpPtr; int tmpSize; @@ -1337,7 +1703,7 @@ wxString Py2wxString(PyObject* source) if (!PyString_Check(source)) { // Convert to String if not one already... source = PyObject_Str(source); - doDecRef = TRUE; + doDecRef = True; } target = wxString(PyString_AS_STRING(source), PyString_GET_SIZE(source)); #endif @@ -1353,7 +1719,7 @@ PyObject* wx2PyString(const wxString& src) { PyObject* str; #if wxUSE_UNICODE - str = PyUnicode_FromUnicode(src.c_str(), src.Len()); + str = PyUnicode_FromWideChar(src.c_str(), src.Len()); #else str = PyString_FromStringAndSize(src.c_str(), src.Len()); #endif @@ -1461,24 +1827,24 @@ 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 (PyInstance_Check(o1) || PyInstance_Check(o2)) { + 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; } @@ -1526,9 +1892,9 @@ wxPoint* wxPoint_LIST_helper(PyObject* source, int *count) { goto error2; } } - else if (PyInstance_Check(o)) { + else if (wxPySwigInstance_Check(o)) { wxPoint* pt; - if (SWIG_GetPtrObj(o, (void **)&pt, "_wxPoint_p")) { + if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPoint"))) { goto error2; } temp[x] = *pt; @@ -1558,7 +1924,7 @@ error2: if (!isFast) Py_DECREF(o); error1: - delete temp; + delete [] temp; error0: PyErr_SetString(PyExc_TypeError, "Expected a sequence of length-2 sequences or wxPoints."); return NULL; @@ -1580,10 +1946,10 @@ wxBitmap** wxBitmap_LIST_helper(PyObject* source) { } for (int x=0; x