// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
-#include <stdio.h> // get the correct definition of NULL
#undef DEBUG
#include <Python.h>
#include "helpers.h"
+#include "pyistream.h"
#ifdef __WXMSW__
#include <wx/msw/private.h>
-#undef FindWindow
-#undef GetCharWidth
-#undef LoadAccelerators
-#undef GetClassInfo
-#undef GetClassName
+#include <wx/msw/winundef.h>
+#include <wx/msw/msvcrt.h>
#endif
#ifdef __WXGTK__
#include <wx/gtk/win_gtk.h>
#endif
+//----------------------------------------------------------------------
+
+#if PYTHON_API_VERSION <= 1007 && wxUSE_UNICODE
+#error Python must support Unicode to use wxWindows Unicode
+#endif
+
+//----------------------------------------------------------------------
+
+#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;
+
+#ifdef WXP_WITH_THREAD
+struct wxPyThreadState {
+ unsigned long tid;
+ PyThreadState* tstate;
+
+ wxPyThreadState(unsigned long _tid=0, PyThreadState* _tstate=NULL)
+ : tid(_tid), tstate(_tstate) {}
+};
+
+#include <wx/dynarray.h>
+WX_DECLARE_OBJARRAY(wxPyThreadState, wxPyThreadStateArray);
+#include <wx/arrimpl.cpp>
+WX_DEFINE_OBJARRAY(wxPyThreadStateArray);
+
+wxPyThreadStateArray* wxPyTStates = NULL;
+wxMutex* wxPyTMutex = NULL;
+#endif
#ifdef __WXMSW__ // If building for win32...
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
//----------------------------------------------------------------------
-// Class for implementing the wxp main application shell.
+// Classes for implementing the wxp main application shell.
//----------------------------------------------------------------------
-wxPyApp *wxPythonApp = NULL; // Global instance of application object
-
wxPyApp::wxPyApp() {
-// printf("**** ctor\n");
+ SetUseBestVisual(TRUE);
}
wxPyApp::~wxPyApp() {
-// printf("**** dtor\n");
}
// This one isn't acutally called... See __wxStart()
-bool wxPyApp::OnInit(void) {
+bool wxPyApp::OnInit() {
return FALSE;
}
-int wxPyApp::MainLoop(void) {
+
+int wxPyApp::MainLoop() {
int retval = 0;
DeletePendingObjects();
+ bool initialized = wxTopLevelWindows.GetCount() != 0;
#ifdef __WXGTK__
- m_initialized = wxTopLevelWindows.GetCount() != 0;
+ m_initialized = initialized;
#endif
- if (Initialized()) {
+ if (initialized) {
+ if ( m_exitOnFrameDelete == Later ) {
+ m_exitOnFrameDelete = Yes;
+ }
+
retval = wxApp::MainLoop();
- wxPythonApp->OnExit();
+ OnExit();
}
return retval;
}
+
//---------------------------------------------------------------------
//----------------------------------------------------------------------
-#ifdef __WXMSW__
-#include "wx/msw/msvcrt.h"
-#endif
+static char* wxPyCopyCString(const wxChar* src)
+{
+ wxWX2MBbuf buff = (wxWX2MBbuf)wxConvCurrent->cWX2MB(src);
+ size_t len = strlen(buff);
+ char* dest = new char[len+1];
+ strcpy(dest, buff);
+ return dest;
+}
-int WXDLLEXPORT wxEntryStart( int argc, char** argv );
-int WXDLLEXPORT wxEntryInitGui();
-void WXDLLEXPORT wxEntryCleanup();
+#if wxUSE_UNICODE
+static char* wxPyCopyCString(const char* src) // we need a char version too
+{
+ size_t len = strlen(src);
+ char* dest = new char[len+1];
+ strcpy(dest, src);
+ return dest;
+}
+#endif
+static wxChar* wxPyCopyWString(const char *src)
+{
+ //wxMB2WXbuf buff = wxConvCurrent->cMB2WX(src);
+ wxString str(src, *wxConvCurrent);
+ return copystring(str);
+}
-#ifdef WXP_WITH_THREAD
-PyInterpreterState* wxPyInterpreter = NULL;
+#if wxUSE_UNICODE
+static wxChar* wxPyCopyWString(const wxChar *src)
+{
+ return copystring(src);
+}
#endif
+//----------------------------------------------------------------------
+
// 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.)
#ifdef WXP_WITH_THREAD
PyEval_InitThreads();
- wxPyInterpreter = PyThreadState_Get()->interp;
+ wxPyTStates = new wxPyThreadStateArray;
+ wxPyTMutex = new wxMutex;
#endif
- // Bail out if there is already windows created. This means that the
+ wxApp::CheckBuildOptions(wxBuildOptions());
+
+ // Bail out if there is already a wxApp created. This means that the
// toolkit has already been initialized, as in embedding wxPython in
- // a C++ wxWindows app.
- if (wxTopLevelWindows.Number() > 0)
+ // a C++ wxWindows app, so we don't need to call wxEntryStart.
+ if (wxTheApp != NULL) {
return;
-
+ }
+ wxPyDoCleanup = TRUE;
int argc = 0;
char** argv = NULL;
argc = PyList_Size(sysargv);
argv = new char*[argc+1];
int x;
- for(x=0; x<argc; x++)
- argv[x] = copystring(PyString_AsString(PyList_GetItem(sysargv, x)));
+ for(x=0; x<argc; x++) {
+ PyObject *item = PyList_GetItem(sysargv, x);
+#if wxUSE_UNICODE
+ if (PyUnicode_Check(item))
+ argv[x] = wxPyCopyCString(PyUnicode_AS_UNICODE(item));
+ else
+#endif
+ argv[x] = wxPyCopyCString(PyString_AsString(item));
+ }
argv[argc] = NULL;
}
}
-
// Start the user application, user App's OnInit method is a parameter here
PyObject* __wxStart(PyObject* /* self */, PyObject* args)
{
if (!PyArg_ParseTuple(args, "O", &onInitFunc))
return NULL;
-#if 0 // Try it out without this check, see how it does...
- if (wxTopLevelWindows.Number() > 0) {
- PyErr_SetString(PyExc_TypeError, "Only 1 wxApp per process!");
- return NULL;
- }
-#endif
-
// This is the next part of the wxEntry functionality...
int argc = 0;
- char** argv = NULL;
+ wxChar** argv = NULL;
PyObject* sysargv = PySys_GetObject("argv");
if (sysargv != NULL) {
argc = PyList_Size(sysargv);
- argv = new char*[argc+1];
+ argv = new wxChar*[argc+1];
int x;
- for(x=0; x<argc; x++)
- argv[x] = copystring(PyString_AsString(PyList_GetItem(sysargv, x)));
+ for(x=0; x<argc; x++) {
+ PyObject *pyArg = PyList_GetItem(sysargv, x);
+#if wxUSE_UNICODE
+ if (PyUnicode_Check(pyArg))
+ argv[x] = wxPyCopyWString(PyUnicode_AS_UNICODE(pyArg));
+ else
+#endif
+ argv[x] = wxPyCopyWString(PyString_AsString(pyArg));
+ }
argv[argc] = NULL;
}
+
wxPythonApp->argc = argc;
wxPythonApp->argv = argv;
return Py_None;
}
+
void __wxCleanup() {
- wxEntryCleanup();
+ if (wxPyDoCleanup)
+ wxEntryCleanup();
+#ifdef WXP_WITH_THREAD
+ delete wxPyTMutex;
+ wxPyTMutex = NULL;
+ wxPyTStates->Empty();
+ delete wxPyTStates;
+ wxPyTStates = NULL;
+#endif
}
static PyObject* wxPython_dict = NULL;
static PyObject* wxPyPtrTypeMap = NULL;
+
PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
{
#ifdef __WXMOTIF__
#define wxPlatform "__WXMOTIF__"
#endif
-#ifdef __WXQT__
-#define wxPlatform "__WXQT__"
+#ifdef __WXX11__
+#define wxPlatform "__WXX11__"
#endif
#ifdef __WXGTK__
#define wxPlatform "__WXGTK__"
#define wxPlatform "__WXMAC__"
#endif
+#ifdef __WXDEBUG__
+ int wxdebug = 1;
+#else
+ int wxdebug = 0;
+#endif
+
PyDict_SetItemString(wxPython_dict, "wxPlatform", PyString_FromString(wxPlatform));
+ PyDict_SetItemString(wxPython_dict, "wxUSE_UNICODE", PyInt_FromLong(wxUSE_UNICODE));
+ PyDict_SetItemString(wxPython_dict, "__WXDEBUG__", PyInt_FromLong(wxdebug));
Py_INCREF(Py_None);
return Py_None;
}
+//---------------------------------------------------------------------------
+
+void wxPyClientData_dtor(wxPyClientData* self) {
+ wxPyBeginBlockThreads();
+ Py_DECREF(self->m_obj);
+ wxPyEndBlockThreads();
+}
+
+void wxPyUserData_dtor(wxPyUserData* self) {
+ wxPyBeginBlockThreads();
+ Py_DECREF(self->m_obj);
+ 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 _extras.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");
+ wxASSERT_MSG(deadObjectClass != NULL, wxT("Can't get _wxPyDeadObject class!"));
+ Py_INCREF(deadObjectClass);
+ }
+
+ // Clear the instance's dictionary, put the name of the old class into the
+ // instance, and then reset the class to be the dead class.
+ if (self->m_obj->ob_refcnt > 1) { // but only if there is more than one reference
+ wxASSERT_MSG(PyInstance_Check(self->m_obj), wxT("m_obj not an instance!?!?!"));
+ PyInstanceObject* inst = (PyInstanceObject*)self->m_obj;
+ PyDict_Clear(inst->in_dict);
+ PyDict_SetItemString(inst->in_dict, "_name", inst->in_class->cl_name);
+ inst->in_class = (PyClassObject*)deadObjectClass;
+ Py_INCREF(deadObjectClass);
+ }
+ wxPyEndBlockThreads();
+}
//---------------------------------------------------------------------------
// Stuff used by OOR to find the right wxPython class type to return and to
// 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));
-PyObject* wxPyClassExists(const char* className) {
+PyObject* wxPyClassExists(const wxString& className) {
if (!className)
return NULL;
char buff[64]; // should always be big enough...
- sprintf(buff, "%sPtr", className);
+ 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) {
+PyObject* wxPyMake_wxObject(wxObject* source, bool checkEvtHandler) {
PyObject* target = NULL;
bool isEvtHandler = FALSE;
if (source) {
// If it's derived from wxEvtHandler then there may
- // already be a pointer to a Python objec that we can use.
- if (wxIsKindOf(source, wxEvtHandler)) {
+ // already be a pointer to a Python object that we can use
+ // in the OOR data.
+ if (checkEvtHandler && wxIsKindOf(source, wxEvtHandler)) {
+ isEvtHandler = TRUE;
wxEvtHandler* eh = (wxEvtHandler*)source;
- wxPyClientData* data = (wxPyClientData*)eh->GetClientObject();
- if (data) {
- target = data->m_obj;
- Py_INCREF(target);
- }
- }
- else if (wxIsKindOf(source, wxSizer)) {
- // wxSizers also track the original object
- wxSizer* sz = (wxSizer*)source;
- wxPyClientData* data = (wxPyClientData*)sz->GetClientObject();
+ wxPyOORClientData* data = (wxPyOORClientData*)eh->GetClientObject();
if (data) {
target = data->m_obj;
Py_INCREF(target);
if (info) {
target = wxPyConstructObject(source, name, klass, 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.c_str());
+ PyErr_SetString(PyExc_NameError, msg.mbc_str());
target = NULL;
}
}
}
+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.
+ wxSizer* sz = (wxSizer*)source;
+ wxPyOORClientData* data = (wxPyOORClientData*)sz->GetClientObject();
+ if (data) {
+ target = data->m_obj;
+ Py_INCREF(target);
+ }
+ }
+ if (! target) {
+ target = wxPyMake_wxObject(source, FALSE);
+ if (target != Py_None)
+ ((wxSizer*)source)->SetClientObject(new wxPyOORClientData(target));
+ }
+ return target;
+}
+
+
+
//---------------------------------------------------------------------------
PyObject* wxPyConstructObject(void* ptr,
- const char* className,
+ 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*)className)) != NULL) {
- className = PyString_AsString(item);
+ if ((item = PyDict_GetItemString(wxPyPtrTypeMap, (char*)(const char*)name.mbc_str())) != NULL) {
+ name = wxString(PyString_AsString(item), *wxConvCurrent);
}
- sprintf(buff, "_%s_p", className);
+ sprintf(buff, "_%s_p", (const char*)name.mbc_str());
SWIG_MakePtr(swigptr, ptr, buff);
arg = Py_BuildValue("(s)", swigptr);
PyObject* wxPyConstructObject(void* ptr,
- const char* className,
+ 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!!"));
- sprintf(buff, "%sPtr", className);
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;
+ wxString msg(wxT("wxPython class not found for "));
+ msg += className;
+ PyErr_SetString(PyExc_NameError, msg.mbc_str());
+ return NULL;
}
return wxPyConstructObject(ptr, className, classobj, setThisOwn);
}
+
//---------------------------------------------------------------------------
-wxPyTState* wxPyBeginBlockThreads() {
- wxPyTState* state = NULL;
#ifdef WXP_WITH_THREAD
- if (1) { // Can I check if I've already got the lock?
- state = new wxPyTState;
- PyEval_AcquireLock();
- state->newState = PyThreadState_New(wxPyInterpreter);
- state->prevState = PyThreadState_Swap(state->newState);
+inline
+unsigned long wxPyGetCurrentThreadId() {
+ return wxThread::GetCurrentId();
+}
+
+static PyThreadState* gs_shutdownTState;
+static
+PyThreadState* wxPyGetThreadState() {
+ if (wxPyTMutex == NULL) // Python is shutting down...
+ return gs_shutdownTState;
+
+ unsigned long ctid = wxPyGetCurrentThreadId();
+ PyThreadState* tstate = NULL;
+
+ wxPyTMutex->Lock();
+ for(size_t i=0; i < wxPyTStates->GetCount(); i++) {
+ wxPyThreadState& info = wxPyTStates->Item(i);
+ if (info.tid == ctid) {
+ tstate = info.tstate;
+ break;
+ }
+ }
+ wxPyTMutex->Unlock();
+ wxASSERT_MSG(tstate, wxT("PyThreadState should not be NULL!"));
+ return tstate;
+}
+
+static
+void wxPySaveThreadState(PyThreadState* tstate) {
+ if (wxPyTMutex == NULL) { // Python is shutting down, assume a single thread...
+ gs_shutdownTState = tstate;
+ return;
}
+ unsigned long ctid = wxPyGetCurrentThreadId();
+ wxPyTMutex->Lock();
+ for(size_t i=0; i < wxPyTStates->GetCount(); i++) {
+ wxPyThreadState& info = wxPyTStates->Item(i);
+ if (info.tid == ctid) {
+#if 0
+ if (info.tstate != tstate)
+ wxLogMessage("*** tstate mismatch!???");
#endif
- return state;
+ // 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;
+ }
+ }
+ // not found, so add it...
+ wxPyTStates->Add(new wxPyThreadState(ctid, tstate));
+ wxPyTMutex->Unlock();
}
+#endif
+
+
+// Calls from Python to wxWindows code are wrapped in calls to these
+// functions:
-void wxPyEndBlockThreads(wxPyTState* state) {
+PyThreadState* wxPyBeginAllowThreads() {
#ifdef WXP_WITH_THREAD
- if (state) {
- PyThreadState_Swap(state->prevState);
- PyThreadState_Clear(state->newState);
- PyEval_ReleaseLock();
- PyThreadState_Delete(state->newState);
- delete state;
- }
+ PyThreadState* saved = PyEval_SaveThread(); // Py_BEGIN_ALLOW_THREADS;
+ wxPySaveThreadState(saved);
+ return saved;
+#else
+ return NULL;
+#endif
+}
+
+void wxPyEndAllowThreads(PyThreadState* saved) {
+#ifdef WXP_WITH_THREAD
+ PyEval_RestoreThread(saved); // Py_END_ALLOW_THREADS;
+#endif
+}
+
+
+
+// Calls from wxWindows back to Python code, or even any PyObject
+// manipulations, PyDECREF's and etc. are wrapped in calls to these functions:
+
+void wxPyBeginBlockThreads() {
+#ifdef WXP_WITH_THREAD
+ PyThreadState* tstate = wxPyGetThreadState();
+ PyEval_RestoreThread(tstate);
+#endif
+}
+
+
+void wxPyEndBlockThreads() {
+#ifdef WXP_WITH_THREAD
+ // Is there any need to save it again?
+ // PyThreadState* tstate =
+ PyEval_SaveThread();
#endif
}
//---------------------------------------------------------------------------
+// wxPyInputStream and wxPyCBInputStream methods
+
+
+void wxPyInputStream::close() {
+ /* do nothing for now */
+}
+
+void wxPyInputStream::flush() {
+ /* do nothing for now */
+}
+
+bool wxPyInputStream::eof() {
+ if (m_wxis)
+ return m_wxis->Eof();
+ else
+ return TRUE;
+}
+
+wxPyInputStream::~wxPyInputStream() {
+ /* do nothing */
+}
+
+
+
+
+PyObject* wxPyInputStream::read(int size) {
+ PyObject* obj = NULL;
+ wxMemoryBuffer buf;
+ const int BUFSIZE = 1024;
+
+ // check if we have a real wxInputStream to work with
+ if (!m_wxis) {
+ PyErr_SetString(PyExc_IOError, "no valid C-wxInputStream");
+ return NULL;
+ }
+
+ if (size < 0) {
+ // read until EOF
+ while (! m_wxis->Eof()) {
+ m_wxis->Read(buf.GetAppendBuf(BUFSIZE), BUFSIZE);
+ buf.UngetAppendBuf(m_wxis->LastRead());
+ }
+
+ } else { // Read only size number of characters
+ m_wxis->Read(buf.GetWriteBuf(size), size);
+ buf.UngetWriteBuf(m_wxis->LastRead());
+ }
+
+ // error check
+ if (m_wxis->LastError() == wxSTREAM_READ_ERROR) {
+ PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
+ }
+ else {
+ // We use only strings for the streams, not unicode
+ obj = PyString_FromStringAndSize(buf, buf.GetDataLen());
+ }
+ return obj;
+}
+
+
+PyObject* wxPyInputStream::readline(int size) {
+ PyObject* obj = NULL;
+ wxMemoryBuffer buf;
+ int i;
+ char ch;
+
+ // check if we have a real wxInputStream to work with
+ if (!m_wxis) {
+ PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream");
+ return NULL;
+ }
+
+ // read until \n or byte limit reached
+ for (i=ch=0; (ch != '\n') && (!m_wxis->Eof()) && ((size < 0) || (i < size)); i++) {
+ ch = m_wxis->GetC();
+ buf.AppendByte(ch);
+ }
+
+ // errorcheck
+ if (m_wxis->LastError() == wxSTREAM_READ_ERROR) {
+ 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());
+ }
+ return obj;
+}
+
+
+PyObject* wxPyInputStream::readlines(int sizehint) {
+ PyObject* pylist;
+
+ // check if we have a real wxInputStream to work with
+ if (!m_wxis) {
+ PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream below");
+ return NULL;
+ }
+
+ // init list
+ pylist = PyList_New(0);
+ if (!pylist) {
+ PyErr_NoMemory();
+ return NULL;
+ }
+
+ // read sizehint bytes or until EOF
+ int i;
+ for (i=0; (!m_wxis->Eof()) && ((sizehint < 0) || (i < sizehint));) {
+ PyObject* s = this->readline();
+ if (s == NULL) {
+ Py_DECREF(pylist);
+ return NULL;
+ }
+ PyList_Append(pylist, s);
+ i += PyString_Size(s);
+ }
+
+ // error check
+ if (m_wxis->LastError() == wxSTREAM_READ_ERROR) {
+ Py_DECREF(pylist);
+ PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
+ return NULL;
+ }
+
+ return pylist;
+}
+
+
+void wxPyInputStream::seek(int offset, int whence) {
+ if (m_wxis)
+ m_wxis->SeekI(offset, wxSeekMode(whence));
+}
+
+int wxPyInputStream::tell(){
+ if (m_wxis)
+ return m_wxis->TellI();
+ else return 0;
+}
+
+
+
+
+wxPyCBInputStream::wxPyCBInputStream(PyObject *r, PyObject *s, PyObject *t, bool block)
+ : wxInputStream(), m_read(r), m_seek(s), m_tell(t), m_block(block)
+{}
+
+
+wxPyCBInputStream::~wxPyCBInputStream() {
+ if (m_block) wxPyBeginBlockThreads();
+ Py_XDECREF(m_read);
+ Py_XDECREF(m_seek);
+ Py_XDECREF(m_tell);
+ if (m_block) wxPyEndBlockThreads();
+}
+
+
+wxPyCBInputStream* wxPyCBInputStream::create(PyObject *py, bool block) {
+ if (block) wxPyBeginBlockThreads();
+
+ PyObject* read = getMethod(py, "read");
+ PyObject* seek = getMethod(py, "seek");
+ PyObject* tell = getMethod(py, "tell");
+
+ if (!read) {
+ PyErr_SetString(PyExc_TypeError, "Not a file-like object");
+ Py_XDECREF(read);
+ Py_XDECREF(seek);
+ Py_XDECREF(tell);
+ if (block) wxPyEndBlockThreads();
+ return NULL;
+ }
+
+ if (block) wxPyEndBlockThreads();
+ 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;
+ PyObject* o = PyObject_GetAttrString(py, name);
+ if (!PyMethod_Check(o) && !PyCFunction_Check(o)) {
+ Py_DECREF(o);
+ return NULL;
+ }
+ return o;
+}
+
+
+size_t wxPyCBInputStream::GetSize() 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);
+ self->OnSysSeek(temp, wxFromStart);
+ return ret;
+ }
+ else
+ return 0;
+}
+
+
+size_t wxPyCBInputStream::OnSysRead(void *buffer, size_t bufsize) {
+ if (bufsize == 0)
+ return 0;
+
+ wxPyBeginBlockThreads();
+ PyObject* arglist = Py_BuildValue("(i)", bufsize);
+ PyObject* result = PyEval_CallObject(m_read, arglist);
+ Py_DECREF(arglist);
+
+ size_t o = 0;
+ if ((result != NULL) && PyString_Check(result)) {
+ o = PyString_Size(result);
+ if (o == 0)
+ m_lasterror = wxSTREAM_EOF;
+ if (o > bufsize)
+ o = bufsize;
+ memcpy((char*)buffer, PyString_AsString(result), o); // strings only, not unicode...
+ Py_DECREF(result);
+
+ }
+ else
+ m_lasterror = wxSTREAM_READ_ERROR;
+ wxPyEndBlockThreads();
+ m_lastcount = o;
+ return o;
+}
+
+size_t wxPyCBInputStream::OnSysWrite(const void *buffer, size_t bufsize) {
+ m_lasterror = wxSTREAM_WRITE_ERROR;
+ return 0;
+}
+
+off_t wxPyCBInputStream::OnSysSeek(off_t off, wxSeekMode mode) {
+ wxPyBeginBlockThreads();
+ PyObject* arglist = Py_BuildValue("(ii)", off, mode);
+ PyObject* result = PyEval_CallObject(m_seek, arglist);
+ Py_DECREF(arglist);
+ Py_XDECREF(result);
+ wxPyEndBlockThreads();
+ return OnSysTell();
+}
+
+off_t wxPyCBInputStream::OnSysTell() const {
+ wxPyBeginBlockThreads();
+ PyObject* arglist = Py_BuildValue("()");
+ PyObject* result = PyEval_CallObject(m_tell, arglist);
+ Py_DECREF(arglist);
+ off_t o = 0;
+ if (result != NULL) {
+ o = PyInt_AsLong(result);
+ Py_DECREF(result);
+ };
+ wxPyEndBlockThreads();
+ return o;
+}
+
+//----------------------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(wxPyCallback, wxObject);
}
wxPyCallback::~wxPyCallback() {
- wxPyTState* state = wxPyBeginBlockThreads();
+ wxPyBeginBlockThreads();
Py_DECREF(m_func);
- wxPyEndBlockThreads(state);
+ wxPyEndBlockThreads();
}
PyObject* tuple;
- wxPyTState* state = wxPyBeginBlockThreads();
+ wxPyBeginBlockThreads();
wxString className = event.GetClassInfo()->GetClassName();
if (className == "wxPyEvent")
arg = ((wxPyEvent*)&event)->GetSelf();
else if (className == "wxPyCommandEvent")
arg = ((wxPyCommandEvent*)&event)->GetSelf();
- else
+ else {
arg = wxPyConstructObject((void*)&event, className);
+ }
tuple = PyTuple_New(1);
PyTuple_SET_ITEM(tuple, 0, arg);
} else {
PyErr_Print();
}
- wxPyEndBlockThreads(state);
+ wxPyEndBlockThreads();
}
}
-// If the object (m_self) has an attibute of the given name, and if that
-// attribute is a method, and if that method's class is not from a base class,
-// then we'll save a pointer to the method so callCallback can call it.
+#if PYTHON_API_VERSION >= 1011
+
+// Prior to Python 2.2 PyMethod_GetClass returned the class object
+// in which the method was defined. Starting with 2.2 it returns
+// "class that asked for the method" which seems totally bogus to me
+// but apprently it fixes some obscure problem waiting to happen in
+// Python. Since the API was not documented Guido and the gang felt
+// safe in changing it. Needless to say that totally screwed up the
+// logic below in wxPyCallbackHelper::findCallback, hence this icky
+// code to find the class where the method is actually defined...
+
+static
+PyObject* PyFindClassWithAttr(PyObject *klass, PyObject *name)
+{
+ int i, n;
+
+ 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 */
+ mro = type->tp_mro;
+ assert(PyTuple_Check(mro));
+ n = PyTuple_GET_SIZE(mro);
+ for (i = 0; i < n; i++) {
+ base = PyTuple_GET_ITEM(mro, i);
+ if (PyClass_Check(base))
+ dict = ((PyClassObject *)base)->cl_dict;
+ else {
+ assert(PyType_Check(base));
+ dict = ((PyTypeObject *)base)->tp_dict;
+ }
+ assert(dict && PyDict_Check(dict));
+ res = PyDict_GetItem(dict, name);
+ if (res != NULL)
+ return base;
+ }
+ return NULL;
+ }
+
+ else if (PyClass_Check(klass)) { // old style classes
+ // This code is borrowed/adapted from class_lookup in classobject.c
+ PyClassObject* cp = (PyClassObject*)klass;
+ PyObject *value = PyDict_GetItem(cp->cl_dict, name);
+ if (value != NULL) {
+ return (PyObject*)cp;
+ }
+ n = PyTuple_Size(cp->cl_bases);
+ for (i = 0; i < n; i++) {
+ PyObject* base = PyTuple_GetItem(cp->cl_bases, i);
+ PyObject *v = PyFindClassWithAttr(base, name);
+ if (v != NULL)
+ return v;
+ }
+ return NULL;
+ }
+ return NULL;
+}
+#endif
+
+
+static
+PyObject* PyMethod_GetDefiningClass(PyObject* method, const char* name)
+{
+ 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;
+#endif
+}
+
+
+
bool wxPyCallbackHelper::findCallback(const char* name) const {
wxPyCallbackHelper* self = (wxPyCallbackHelper*)this; // cast away const
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;
+ PyObject *method, *klass;
method = PyObject_GetAttrString(m_self, (char*)name);
+ // ...and if that attribute is a method, and if that method's class is
+ // not from a base class...
if (PyMethod_Check(method) &&
- ((PyMethod_GET_CLASS(method) == m_class) ||
- PyClass_IsSubclass(PyMethod_GET_CLASS(method), m_class))) {
+ (klass = PyMethod_GetDefiningClass(method, (char*)name)) != NULL &&
+ ((klass == m_class) || PyClass_IsSubclass(klass, m_class))) {
+ // ...then we'll save a pointer to the method so callCallback can call it.
self->m_lastFound = method;
}
else {
void wxPyCBH_delete(wxPyCallbackHelper* cbh) {
if (cbh->m_incRef) {
- wxPyTState* state = wxPyBeginBlockThreads();
+ wxPyBeginBlockThreads();
Py_XDECREF(cbh->m_self);
Py_XDECREF(cbh->m_class);
- wxPyEndBlockThreads(state);
+ wxPyEndBlockThreads();
}
}
}
wxPyEvtSelfRef::~wxPyEvtSelfRef() {
- wxPyTState* state = wxPyBeginBlockThreads();
+ wxPyBeginBlockThreads();
if (m_cloned)
Py_DECREF(m_self);
- wxPyEndBlockThreads(state);
+ wxPyEndBlockThreads();
}
void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) {
- wxPyTState* state = wxPyBeginBlockThreads();
+ wxPyBeginBlockThreads();
if (m_cloned)
Py_DECREF(m_self);
m_self = self;
Py_INCREF(m_self);
m_cloned = TRUE;
}
- wxPyEndBlockThreads(state);
+ wxPyEndBlockThreads();
}
PyObject* wxPyEvtSelfRef::GetSelf() const {
}
wxPyTimer::~wxPyTimer() {
- wxPyTState* state = wxPyBeginBlockThreads();
+ wxPyBeginBlockThreads();
Py_DECREF(func);
- wxPyEndBlockThreads(state);
+ wxPyEndBlockThreads();
}
void wxPyTimer::Notify() {
wxTimer::Notify();
}
else {
- wxPyTState* state = wxPyBeginBlockThreads();
+ wxPyBeginBlockThreads();
PyObject* result;
PyObject* args = Py_BuildValue("()");
PyErr_Print();
}
- wxPyEndBlockThreads(state);
+ wxPyEndBlockThreads();
}
}
wxObject* wxObj;
wxNode* node = list->First();
- wxPyTState* state = wxPyBeginBlockThreads();
+ wxPyBeginBlockThreads();
pyList = PyList_New(0);
while (node) {
wxObj = node->Data();
PyList_Append(pyList, pyObj);
node = node->Next();
}
- wxPyEndBlockThreads(state);
+ wxPyEndBlockThreads();
return pyList;
}
//----------------------------------------------------------------------
// Some helper functions for typemaps in my_typemaps.i, so they won't be
-// included in every file...
+// included in every file over and over again...
+
+#if PYTHON_API_VERSION >= 1009
+ static char* wxStringErrorMsg = "String or Unicode type required";
+#else
+ static char* wxStringErrorMsg = "String type required";
+#endif
+
+
+wxString* wxString_in_helper(PyObject* source) {
+ wxString* target;
+#if PYTHON_API_VERSION >= 1009 // Have Python unicode API
+ if (!PyString_Check(source) && !PyUnicode_Check(source)) {
+ PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
+ return NULL;
+ }
+#if wxUSE_UNICODE
+ if (PyUnicode_Check(source)) {
+ target = new wxString(PyUnicode_AS_UNICODE(source));
+ } else {
+ // It is a string, get pointers to it and transform to unicode
+ char* tmpPtr; int tmpSize;
+ PyString_AsStringAndSize(source, &tmpPtr, &tmpSize);
+ target = new wxString(tmpPtr, *wxConvCurrent, tmpSize);
+ }
+#else
+ char* tmpPtr; int tmpSize;
+ if (PyString_AsStringAndSize(source, &tmpPtr, &tmpSize) == -1) {
+ PyErr_SetString(PyExc_TypeError, "Unable to convert string");
+ return NULL;
+ }
+ target = new wxString(tmpPtr, tmpSize);
+#endif // wxUSE_UNICODE
+
+#else // No Python unicode API (1.5.2)
+ if (!PyString_Check(source)) {
+ PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
+ return NULL;
+ }
+ target = new wxString(PyString_AS_STRING(source), PyString_GET_SIZE(source));
+#endif
+ return target;
+}
+
+
+// Similar to above except doesn't use "new" and doesn't set an exception
+wxString Py2wxString(PyObject* source)
+{
+ wxString target;
+ 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;
+ }
+
+#if wxUSE_UNICODE
+ if (PyUnicode_Check(source)) {
+ target = PyUnicode_AS_UNICODE(source);
+ } else {
+ // It is a string, get pointers to it and transform to unicode
+ char* tmpPtr; int tmpSize;
+ PyString_AsStringAndSize(source, &tmpPtr, &tmpSize);
+ target = wxString(tmpPtr, *wxConvCurrent, tmpSize);
+ }
+#else
+ char* tmpPtr; int tmpSize;
+ PyString_AsStringAndSize(source, &tmpPtr, &tmpSize);
+ target = wxString(tmpPtr, tmpSize);
+#endif // wxUSE_UNICODE
+
+#else // No Python unicode API (1.5.2)
+ if (!PyString_Check(source)) {
+ // Convert to String if not one already...
+ source = PyObject_Str(source);
+ doDecRef = TRUE;
+ }
+ target = wxString(PyString_AS_STRING(source), PyString_GET_SIZE(source));
+#endif
+
+ if (doDecRef)
+ Py_DECREF(source);
+ return target;
+}
+
+
+// Make either a Python String or Unicode object, depending on build mode
+PyObject* wx2PyString(const wxString& src)
+{
+ PyObject* str;
+#if wxUSE_UNICODE
+ str = PyUnicode_FromUnicode(src.c_str(), src.Len());
+#else
+ str = PyString_FromStringAndSize(src.c_str(), src.Len());
+#endif
+ return str;
+}
+
+
+//----------------------------------------------------------------------
byte* byte_LIST_helper(PyObject* source) {
PyErr_SetString(PyExc_TypeError, "Expected a list of string or unicode objects.");
return NULL;
}
-
- char* buff;
- int length;
- if (PyString_AsStringAndSize(o, &buff, &length) == -1)
- return NULL;
- temp[x] = wxString(buff, length);
#else
if (! PyString_Check(o)) {
PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
return NULL;
}
- temp[x] = PyString_AsString(o);
#endif
+
+ wxString* pStr = wxString_in_helper(o);
+ temp[x] = *pStr;
+ delete pStr;
}
return temp;
}
else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
PyObject* o1 = PySequence_GetItem(source, 0);
PyObject* o2 = PySequence_GetItem(source, 1);
+ if (!PyNumber_Check(o1) || !PyNumber_Check(o2)) {
+ Py_DECREF(o1);
+ Py_DECREF(o2);
+ goto error;
+ }
**obj = wxSize(PyInt_AsLong(o1), PyInt_AsLong(o2));
+ Py_DECREF(o1);
+ Py_DECREF(o2);
return TRUE;
}
if (PySequence_Check(source) && PySequence_Length(source) == 2) {
PyObject* o1 = PySequence_GetItem(source, 0);
PyObject* o2 = PySequence_GetItem(source, 1);
- // This should really check for integers, not numbers -- but that would break code.
- if (!PyNumber_Check(o1) || !PyNumber_Check(o2)) {
- Py_DECREF(o1);
- Py_DECREF(o2);
- goto error;
- }
- **obj = wxPoint(PyInt_AsLong(o1), PyInt_AsLong(o2));
- Py_DECREF(o1);
- Py_DECREF(o2);
+ // This should really check for integers, not numbers -- but that would break code.
+ if (!PyNumber_Check(o1) || !PyNumber_Check(o2)) {
+ Py_DECREF(o1);
+ Py_DECREF(o2);
+ goto error;
+ }
+ **obj = wxPoint(PyInt_AsLong(o1), PyInt_AsLong(o2));
+ Py_DECREF(o1);
+ Py_DECREF(o2);
return TRUE;
}
error:
else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
PyObject* o1 = PySequence_GetItem(source, 0);
PyObject* o2 = PySequence_GetItem(source, 1);
+ if (!PyNumber_Check(o1) || !PyNumber_Check(o2)) {
+ Py_DECREF(o1);
+ Py_DECREF(o2);
+ goto error;
+ }
**obj = wxRealPoint(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2));
+ Py_DECREF(o1);
+ Py_DECREF(o2);
return TRUE;
}
PyObject* o2 = PySequence_GetItem(source, 1);
PyObject* o3 = PySequence_GetItem(source, 2);
PyObject* o4 = PySequence_GetItem(source, 3);
+ if (!PyNumber_Check(o1) || !PyNumber_Check(o2) ||
+ !PyNumber_Check(o3) || !PyNumber_Check(o4)) {
+ Py_DECREF(o1);
+ Py_DECREF(o2);
+ Py_DECREF(o3);
+ Py_DECREF(o4);
+ goto error;
+ }
**obj = wxRect(PyInt_AsLong(o1), PyInt_AsLong(o2),
- PyInt_AsLong(o3), PyInt_AsLong(o4));
+ PyInt_AsLong(o3), PyInt_AsLong(o4));
+ Py_DECREF(o1);
+ Py_DECREF(o2);
+ Py_DECREF(o3);
+ Py_DECREF(o4);
return TRUE;
}
}
// otherwise a string is expected
else if (PyString_Check(source)) {
- wxString spec = PyString_AS_STRING(source);
- if (spec[0U] == '#' && spec.Length() == 7) { // It's #RRGGBB
- char* junk;
- int red = strtol(spec.Mid(1,2), &junk, 16);
- int green = strtol(spec.Mid(3,2), &junk, 16);
- int blue = strtol(spec.Mid(5,2), &junk, 16);
+ wxString spec(PyString_AS_STRING(source), *wxConvCurrent);
+ if (spec.GetChar(0) == '#' && spec.Length() == 7) { // It's #RRGGBB
+ long red, green, blue;
+ red = green = blue = 0;
+ spec.Mid(1,2).ToLong(&red, 16);
+ spec.Mid(3,2).ToLong(&green, 16);
+ spec.Mid(5,2).ToLong(&blue, 16);
+
**obj = wxColour(red, green, blue);
return TRUE;
}
}
error:
- PyErr_SetString(PyExc_TypeError, "Expected a wxColour object or a string containing a colour name or '#RRGGBB'.");
+ PyErr_SetString(PyExc_TypeError,
+ "Expected a wxColour object or a string containing a colour "
+ "name or '#RRGGBB'.");
return FALSE;
}
PyObject* list = PyList_New(0);
for (size_t i=0; i < arr.GetCount(); i++) {
- PyObject* str = PyString_FromString(arr[i].c_str());
+#if wxUSE_UNICODE
+ PyObject* str = PyUnicode_FromUnicode(arr[i].c_str(), arr[i].Len());
+#else
+ PyObject* str = PyString_FromStringAndSize(arr[i].c_str(), arr[i].Len());
+#endif
PyList_Append(list, str);
Py_DECREF(str);
}
}
+PyObject* wxArrayInt2PyList_helper(const wxArrayInt& arr) {
+
+ PyObject* list = PyList_New(0);
+ for (size_t i=0; i < arr.GetCount(); i++) {
+ PyObject* number = PyInt_FromLong(arr[i]);
+ PyList_Append(list, number);
+ Py_DECREF(number);
+ }
+ return list;
+}
+
+
//----------------------------------------------------------------------
//----------------------------------------------------------------------
projects / wxWidgets.git / blobdiff