+// 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
+// | _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;
+
+ // 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
+ 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();
+}
+
+
+
+void __wxPyCleanup() {
+ wxPyDoingCleanup = true;
+ if (wxPyDoCleanup) {
+ wxPyDoCleanup = false;
+ wxEntryCleanup();
+ }
+#ifdef WXP_WITH_THREAD
+#if !wxPyUSE_GIL_STATE
+ delete wxPyTMutex;
+ wxPyTMutex = NULL;
+ wxPyTStates->Empty();
+ delete wxPyTStates;
+ wxPyTStates = NULL;
+#endif
+#endif
+}
+
+
+// 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,
+ "_wxPySetDictionary must have dictionary object!");
+ return NULL;
+ }
+
+ if (! wxPyPtrTypeMap)
+ 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);
+
+ // 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__"
+#define wxPlatName "wxMotif"
+#endif
+#ifdef __WXX11__
+#define wxPlatform "__WXX11__"
+#define wxPlatName "wxX11"
+#endif
+#ifdef __WXGTK__
+#define wxPlatform "__WXGTK__"
+#define wxPlatName "wxGTK"
+#endif
+#ifdef __WXMSW__
+#define wxPlatform "__WXMSW__"
+#define wxPlatName "wxMSW"
+#endif
+#ifdef __WXMAC__
+#define wxPlatform "__WXMAC__"
+#define wxPlatName "wxMac"
+#endif
+
+#ifdef __WXDEBUG__
+ int wxdebug = 1;
+#else
+ int wxdebug = 0;
+#endif
+
+ // These should be deprecated in favor of the PlatformInfo tuple built below...
+ 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));
+
+ // Make a tuple of strings that gives more info about the platform.
+ PyObject* PlatInfo = PyList_New(0);
+ PyObject* obj;
+
+#define _AddInfoString(st) \
+ obj = PyString_FromString(st); \
+ PyList_Append(PlatInfo, obj); \
+ Py_DECREF(obj)
+
+ _AddInfoString(wxPlatform);
+ _AddInfoString(wxPlatName);
+#if wxUSE_UNICODE
+ _AddInfoString("unicode");
+#else
+ _AddInfoString("ansi");
+#endif
+#ifdef __WXGTK__
+#ifdef __WXGTK20__
+ _AddInfoString("gtk2");
+#else
+ _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();
+}
+
+
+
+//---------------------------------------------------------------------------
+
+// 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
+}
+
+//---------------------------------------------------------------------------
+
+// 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) {
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
+ Py_DECREF(self->m_obj);
+ self->m_obj = NULL;
+ wxPyEndBlockThreads(blocked);
+ }
+}
+
+
+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
+// 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;
+
+ wxPyBlock_t blocked = 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 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!?!?!"));
+
+ // 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(blocked);
+}
+
+
+//---------------------------------------------------------------------------
+// Stuff used by OOR to find the right wxPython class type to return and to
+// build it.
+
+
+// The pointer type map is used when the "pointer" type name generated by SWIG
+// is not the same as the shadow class name, for example wxPyTreeCtrl
+// vs. wxTreeCtrl. It needs to be referenced in Python as well as from C++,
+// so we'll just make it a Python dictionary in the wx module's namespace.
+// (See __wxSetDictionary)
+void wxPyPtrTypeMap_Add(const char* commonName, const char* ptrName) {
+ if (! wxPyPtrTypeMap)
+ wxPyPtrTypeMap = PyDict_New();
+ PyDict_SetItemString(wxPyPtrTypeMap,
+ (char*)commonName,
+ PyString_FromString((char*)ptrName));
+}
+
+
+
projects / wxWidgets.git / blobdiff