struct wxPyThreadState {
unsigned long tid;
PyThreadState* tstate;
- int blocked;
wxPyThreadState(unsigned long _tid=0, PyThreadState* _tstate=NULL)
- : tid(_tid), tstate(_tstate), blocked(1) {}
+ : tid(_tid), tstate(_tstate) {}
};
#include <wx/dynarray.h>
bool wxPyApp::OnInitGui() {
bool rval=True;
wxApp::OnInitGui(); // in this case always call the base class version
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
if (wxPyCBH_findCallback(m_myInst, "OnInitGui"))
rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return rval;
}
int wxPyApp::OnExit() {
int rval=0;
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
if (wxPyCBH_findCallback(m_myInst, "OnExit"))
rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
wxApp::OnExit(); // in this case always call the base class version
return rval;
}
// If the OnAssert is overloaded in the Python class then call it...
bool found;
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
if ((found = wxPyCBH_findCallback(m_myInst, "OnAssert"))) {
PyObject* fso = wx2PyString(file);
PyObject* cso = wx2PyString(file);
Py_DECREF(cso);
Py_DECREF(mso);
}
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
// ...otherwise do our own thing with it
if (! found) {
}
// set the exception
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
PyObject* s = wx2PyString(buf);
PyErr_SetObject(wxPyAssertionError, s);
Py_DECREF(s);
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
// Now when control returns to whatever API wrapper was called from
// Python it should detect that an exception is set and will return
// For catching Apple Events
void wxPyApp::MacOpenFile(const wxString &fileName)
{
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
if (wxPyCBH_findCallback(m_myInst, "MacOpenFile")) {
PyObject* s = wx2PyString(fileName);
wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));
Py_DECREF(s);
}
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
void wxPyApp::MacPrintFile(const wxString &fileName)
{
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
if (wxPyCBH_findCallback(m_myInst, "MacPrintFile")) {
PyObject* s = wx2PyString(fileName);
wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));
Py_DECREF(s);
}
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
void wxPyApp::MacNewFile()
{
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
if (wxPyCBH_findCallback(m_myInst, "MacNewFile"))
wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
void wxPyApp::MacReopenApp()
{
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
if (wxPyCBH_findCallback(m_myInst, "MacReopenApp"))
wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
// Get any command-line args passed to this program from the sys module
int argc = 0;
char** argv = NULL;
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
PyObject* sysargv = PySys_GetObject("argv");
if (sysargv != NULL) {
argc = PyList_Size(sysargv);
}
argv[argc] = NULL;
}
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
result = wxEntryStart(argc, argv);
delete [] argv;
- wxPyBeginBlockThreads();
+ blocked = wxPyBeginBlockThreads();
if (! result) {
PyErr_SetString(PyExc_SystemError, "wxEntryStart failed!");
goto error;
Py_XDECREF(retval);
Py_XDECREF(pyint);
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
};
//---------------------------------------------------------------------
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);
void wxPyClientData_dtor(wxPyClientData* self) {
if (! wxPyDoingCleanup) { // Don't do it during cleanup as Python
// may have already garbage collected the object...
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
Py_DECREF(self->m_obj);
self->m_obj = NULL;
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
}
void wxPyUserData_dtor(wxPyUserData* self) {
if (! wxPyDoingCleanup) {
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
Py_DECREF(self->m_obj);
self->m_obj = NULL;
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
}
static PyObject* deadObjectClass = NULL;
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
if (deadObjectClass == NULL) {
deadObjectClass = PyDict_GetItemString(wxPython_dict, "_wxPyDeadObject");
// TODO: Can not wxASSERT here because inside a wxPyBeginBlock Threads,
}
// m_obj is DECREF'd in the base class dtor...
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
#ifdef WXP_WITH_THREAD
PyThreadState* saved = PyEval_SaveThread(); // Py_BEGIN_ALLOW_THREADS;
wxPySaveThreadState(saved);
- wxPyGetThreadState()->blocked -= 1;
return saved;
#else
return NULL;
void wxPyEndAllowThreads(PyThreadState* saved) {
#ifdef WXP_WITH_THREAD
- wxPyGetThreadState()->blocked += 1;
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() {
+bool wxPyBeginBlockThreads() {
#ifdef WXP_WITH_THREAD
+ // This works in for 2.3, maybe a good alternative to find the needed tstate?
+ // PyThreadState *check = PyGILState_GetThisThreadState();
+
+ 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;
wxPyThreadState* tstate = wxPyGetThreadState();
- if (tstate->blocked++ == 0) { // if nested calls then do nothing
+ if (current != tstate->tstate) {
PyEval_RestoreThread(tstate->tstate);
+ blocked = true;
}
+ return blocked;
#endif
}
-void wxPyEndBlockThreads() {
+void wxPyEndBlockThreads(bool blocked) {
#ifdef WXP_WITH_THREAD
- wxPyThreadState* tstate = wxPyGetThreadState();
- tstate->blocked -= 1;
- if ( tstate->blocked == 0) { // if nested calls then do nothing
+ // 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.
+ if ( blocked ) {
PyEval_SaveThread();
}
#endif
// check if we have a real wxInputStream to work with
if (!m_wxis) {
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
PyErr_SetString(PyExc_IOError, "no valid C-wxInputStream");
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return NULL;
}
}
// error check
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
wxStreamError err = m_wxis->GetLastError();
if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
// We use only strings for the streams, not unicode
obj = PyString_FromStringAndSize(buf, buf.GetDataLen());
}
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return obj;
}
// check if we have a real wxInputStream to work with
if (!m_wxis) {
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream");
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return NULL;
}
}
// errorcheck
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
wxStreamError err = m_wxis->GetLastError();
if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
// We use only strings for the streams, not unicode
obj = PyString_FromStringAndSize((char*)buf.GetData(), buf.GetDataLen());
}
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return obj;
}
// check if we have a real wxInputStream to work with
if (!m_wxis) {
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream");
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return NULL;
}
// init list
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
pylist = PyList_New(0);
+ wxPyEndBlockThreads(blocked);
+
if (!pylist) {
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
PyErr_NoMemory();
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return NULL;
}
for (i=0; (m_wxis->CanRead()) && ((sizehint < 0) || (i < sizehint));) {
PyObject* s = this->readline();
if (s == NULL) {
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
Py_DECREF(pylist);
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return NULL;
}
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
PyList_Append(pylist, s);
i += PyString_Size(s);
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
// error check
wxStreamError err = m_wxis->GetLastError();
if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
Py_DECREF(pylist);
PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return NULL;
}
wxPyCBInputStream::~wxPyCBInputStream() {
- if (m_block) wxPyBeginBlockThreads();
+ bool blocked;
+ if (m_block) blocked = wxPyBeginBlockThreads();
Py_XDECREF(m_read);
Py_XDECREF(m_seek);
Py_XDECREF(m_tell);
- if (m_block) wxPyEndBlockThreads();
+ if (m_block) wxPyEndBlockThreads(blocked);
}
wxPyCBInputStream* wxPyCBInputStream::create(PyObject *py, bool block) {
- if (block) wxPyBeginBlockThreads();
+ bool blocked;
+ if (block) blocked = wxPyBeginBlockThreads();
PyObject* read = getMethod(py, "read");
PyObject* seek = getMethod(py, "seek");
Py_XDECREF(read);
Py_XDECREF(seek);
Py_XDECREF(tell);
- if (block) wxPyEndBlockThreads();
+ if (block) wxPyEndBlockThreads(blocked);
return NULL;
}
- if (block) wxPyEndBlockThreads();
+ if (block) wxPyEndBlockThreads(blocked);
return new wxPyCBInputStream(read, seek, tell, block);
}
if (bufsize == 0)
return 0;
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
PyObject* arglist = Py_BuildValue("(i)", bufsize);
PyObject* result = PyEval_CallObject(m_read, arglist);
Py_DECREF(arglist);
}
else
m_lasterror = wxSTREAM_READ_ERROR;
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return o;
}
}
off_t wxPyCBInputStream::OnSysSeek(off_t off, wxSeekMode mode) {
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
#ifdef _LARGE_FILES
// off_t is a 64-bit value...
PyObject* arglist = Py_BuildValue("(Li)", off, mode);
PyObject* result = PyEval_CallObject(m_seek, arglist);
Py_DECREF(arglist);
Py_XDECREF(result);
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return OnSysTell();
}
off_t wxPyCBInputStream::OnSysTell() const {
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
PyObject* arglist = Py_BuildValue("()");
PyObject* result = PyEval_CallObject(m_tell, arglist);
Py_DECREF(arglist);
o = PyInt_AsLong(result);
Py_DECREF(result);
};
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return o;
}
}
wxPyCallback::~wxPyCallback() {
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
Py_DECREF(m_func);
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
+#define wxPy_PRECALLINIT "_preCallInit"
+#define wxPy_POSTCALLCLEANUP "_postCallCleanup"
// This function is used for all events destined for Python event handlers.
void wxPyCallback::EventThunker(wxEvent& event) {
PyObject* tuple;
bool checkSkip = False;
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
wxString className = event.GetClassInfo()->GetClassName();
// If the event is one of these types then pass the original
if (!arg) {
PyErr_Print();
} else {
+ // "intern" the pre/post method names to speed up the HasAttr
+ static PyObject* s_preName = NULL;
+ static PyObject* s_postName = NULL;
+ if (s_preName == NULL) {
+ 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);
+ if ( result ) {
+ Py_DECREF(result); // result is ignored, but we still need to decref it
+ 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
PyErr_Print();
}
+ // Check if the event object needs some post cleanup
+ if (PyObject_HasAttr(arg, s_postName)) {
+ result = PyObject_CallMethodObjArgs(arg, s_postName, arg, NULL);
+ 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
}
Py_DECREF(tuple);
}
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
void wxPyCBH_delete(wxPyCallbackHelper* cbh) {
if (cbh->m_incRef) {
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
Py_XDECREF(cbh->m_self);
Py_XDECREF(cbh->m_class);
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
}
}
wxPyEvtSelfRef::~wxPyEvtSelfRef() {
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
if (m_cloned)
Py_DECREF(m_self);
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) {
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
if (m_cloned)
Py_DECREF(m_self);
m_self = self;
Py_INCREF(m_self);
m_cloned = True;
}
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
PyObject* wxPyEvtSelfRef::GetSelf() const {
wxObject* wxObj;
wxNode* node = list->GetFirst();
- wxPyBeginBlockThreads();
+ bool blocked = wxPyBeginBlockThreads();
pyList = PyList_New(0);
while (node) {
wxObj = node->GetData();
PyList_Append(pyList, pyObj);
node = node->GetNext();
}
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return pyList;
}
projects / wxWidgets.git / blobdiff