#include <Python.h>
#include "wx/wxPython/wxPython_int.h"
#include "wx/wxPython/pyistream.h"
+#include "wx/wxPython/swigver.h"
+#include "wx/wxPython/twoitem.h"
#ifdef __WXMSW__
#include <wx/msw/private.h>
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
#include <gdk/gdkprivate.h>
+#ifdef __WXGTK20__
#include <wx/gtk/win_gtk.h>
-#define GetXWindow(wxwin) GDK_WINDOW_XWINDOW((wxwin)->m_widget->window)
+#else
+#include <wx/gtk1/win_gtk.h>
+#endif
+#define GetXWindow(wxwin) (wxwin)->m_wxwindow ? \
+ GDK_WINDOW_XWINDOW(GTK_PIZZA((wxwin)->m_wxwindow)->bin_window) : \
+ GDK_WINDOW_XWINDOW((wxwin)->m_widget->window)
+#include <locale.h>
#endif
#ifdef __WXX11__
//----------------------------------------------------------------------
-#if PYTHON_API_VERSION <= 1007 && wxUSE_UNICODE
+#if PYTHON_API_VERSION < 1009 && wxUSE_UNICODE
#error Python must support Unicode to use wxWindows Unicode
#endif
//----------------------------------------------------------------------
wxPyApp* wxPythonApp = NULL; // Global instance of application object
-bool wxPyDoCleanup = False;
-bool wxPyDoingCleanup = False;
+bool wxPyDoCleanup = false;
+bool wxPyDoingCleanup = false;
#ifdef WXP_WITH_THREAD
+#if !wxPyUSE_GIL_STATE
struct wxPyThreadState {
unsigned long tid;
PyThreadState* tstate;
wxPyThreadStateArray* wxPyTStates = NULL;
wxMutex* wxPyTMutex = NULL;
+
#endif
+#endif
+
+#define DEFAULTENCODING_SIZE 64
+static char wxPyDefaultEncoding[DEFAULTENCODING_SIZE] = "ascii";
static PyObject* wxPython_dict = NULL;
static PyObject* wxPyAssertionError = NULL;
+static PyObject* wxPyNoAppError = NULL;
PyObject* wxPyPtrTypeMap = NULL;
// This gets run when the DLL is loaded. We just need to save a handle.
//----------------------------------------------------------------------
+extern "C"
BOOL WINAPI DllMain(
HINSTANCE hinstDLL, // handle to DLL module
DWORD fdwReason, // reason for calling function
LPVOID lpvReserved // reserved
)
{
- // If wxPython is embedded in another wxWindows app then
- // the inatance has already been set.
+ // If wxPython is embedded in another wxWidgets app then
+ // the instance has already been set.
if (! wxGetInstance())
wxSetInstance(hinstDLL);
- return True;
+ return true;
}
#endif
wxPyApp::wxPyApp() {
m_assertMode = wxPYAPP_ASSERT_EXCEPTION;
- m_startupComplete = False;
+ m_startupComplete = false;
}
wxPyApp::~wxPyApp() {
+ wxPythonApp = NULL;
+ wxApp::SetInstance(NULL);
}
// This one isn't acutally called... We fake it with _BootstrapApp
bool wxPyApp::OnInit() {
- return False;
+ return false;
}
bool wxPyApp::OnInitGui() {
- bool rval=True;
+ bool rval=true;
wxApp::OnInitGui(); // in this case always call the base class version
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
if (wxPyCBH_findCallback(m_myInst, "OnInitGui"))
rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
wxPyEndBlockThreads(blocked);
int wxPyApp::OnExit() {
int rval=0;
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
if (wxPyCBH_findCallback(m_myInst, "OnExit"))
rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
wxPyEndBlockThreads(blocked);
}
-#ifdef __WXDEBUG__
-void wxPyApp::OnAssert(const wxChar *file,
- int line,
- const wxChar *cond,
- const wxChar *msg) {
+void wxPyApp::ExitMainLoop() {
+ bool found;
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
+ if ((found = wxPyCBH_findCallback(m_myInst, "ExitMainLoop")))
+ wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
+ wxPyEndBlockThreads(blocked);
+ if (! found)
+ wxApp::ExitMainLoop();
+}
+
+
+#ifdef __WXDEBUG__
+void wxPyApp::OnAssertFailure(const wxChar *file,
+ int line,
+ const wxChar *func,
+ 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;
- }
+ if ( func && *func )
+ buf << wxT(" in ") << func << wxT("()");
+ if (msg != NULL)
+ buf << wxT(": ") << msg;
+
wxLogDebug(buf);
return;
}
// If the OnAssert is overloaded in the Python class then call it...
bool found;
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
if ((found = wxPyCBH_findCallback(m_myInst, "OnAssert"))) {
PyObject* fso = wx2PyString(file);
PyObject* cso = wx2PyString(file);
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;
- }
+ buf.Printf(wxT("C++ assertion \"%s\" failed at %s(%d)"), cond, file, line);
+ if ( func && *func )
+ buf << wxT(" in ") << func << wxT("()");
+ if (msg != NULL)
+ buf << wxT(": ") << msg;
+
// set the exception
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
PyObject* s = wx2PyString(buf);
PyErr_SetObject(wxPyAssertionError, s);
Py_DECREF(s);
buf.Alloc(4096);
buf.Printf(wxT("%s(%d): assert \"%s\" failed"),
file, line, cond);
- if (msg != NULL) {
- buf += wxT(": ");
- buf += msg;
- }
+ if ( func && *func )
+ buf << wxT(" in ") << func << wxT("()");
+ if (msg != NULL)
+ buf << wxT(": ") << msg;
wxLogDebug(buf);
}
// do the normal wx assert dialog?
if (m_assertMode & wxPYAPP_ASSERT_DIALOG)
- wxApp::OnAssert(file, line, cond, msg);
+ wxApp::OnAssertFailure(file, line, func, cond, msg);
}
}
#endif
// For catching Apple Events
void wxPyApp::MacOpenFile(const wxString &fileName)
{
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
if (wxPyCBH_findCallback(m_myInst, "MacOpenFile")) {
PyObject* s = wx2PyString(fileName);
wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));
void wxPyApp::MacPrintFile(const wxString &fileName)
{
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
if (wxPyCBH_findCallback(m_myInst, "MacPrintFile")) {
PyObject* s = wx2PyString(fileName);
wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));
void wxPyApp::MacNewFile()
{
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
if (wxPyCBH_findCallback(m_myInst, "MacNewFile"))
wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
wxPyEndBlockThreads(blocked);
void wxPyApp::MacReopenApp()
{
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
if (wxPyCBH_findCallback(m_myInst, "MacReopenApp"))
wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
wxPyEndBlockThreads(blocked);
/*static*/
bool wxPyApp::GetMacSupportPCMenuShortcuts() {
-#ifdef __WXMAC__
- return s_macSupportPCMenuShortcuts;
-#else
return 0;
-#endif
}
/*static*/
}
/*static*/
-void wxPyApp::SetMacSupportPCMenuShortcuts(bool val) {
-#ifdef __WXMAC__
- s_macSupportPCMenuShortcuts = val;
-#endif
+void wxPyApp::SetMacSupportPCMenuShortcuts(bool) {
}
/*static*/
// that should be present in the derived (Python) class.
void wxPyApp::_BootstrapApp()
{
+ static bool haveInitialized = false;
bool result;
+ wxPyBlock_t blocked;
PyObject* retval = NULL;
PyObject* pyint = NULL;
- // Get any command-line args passed to this program from the sys module
- int argc = 0;
- char** argv = NULL;
- bool blocked = wxPyBeginBlockThreads();
- PyObject* sysargv = PySys_GetObject("argv");
- if (sysargv != NULL) {
- argc = PyList_Size(sysargv);
- argv = new char*[argc+1];
- int x;
- for(x=0; x<argc; x++) {
- PyObject *pyArg = PyList_GetItem(sysargv, x);
- argv[x] = PyString_AsString(pyArg);
+ // Only initialize wxWidgets once
+ if (! haveInitialized) {
+
+ // Get any command-line args passed to this program from the sys module
+ int argc = 0;
+ char** argv = NULL;
+ blocked = wxPyBeginBlockThreads();
+
+ PyObject* sysargv = PySys_GetObject("argv");
+ PyObject* executable = PySys_GetObject("executable");
+
+ if (sysargv != NULL && executable != NULL) {
+ argc = PyList_Size(sysargv) + 1;
+ argv = new char*[argc+1];
+ argv[0] = strdup(PyString_AsString(executable));
+ int x;
+ for(x=1; x<argc; x++) {
+ PyObject *pyArg = PyList_GetItem(sysargv, x-1);
+ argv[x] = strdup(PyString_AsString(pyArg));
+ }
+ argv[argc] = NULL;
}
- argv[argc] = NULL;
- }
- wxPyEndBlockThreads(blocked);
+ wxPyEndBlockThreads(blocked);
- result = wxEntryStart(argc, argv);
- delete [] argv;
+ // Initialize wxWidgets
+ result = wxEntryStart(argc, argv);
+ // wxApp takes ownership of the argv array, don't delete it here
- blocked = wxPyBeginBlockThreads();
- if (! result) {
- PyErr_SetString(PyExc_SystemError, "wxEntryStart failed!");
- goto error;
- }
+ blocked = wxPyBeginBlockThreads();
+ if (! result) {
+ PyErr_SetString(PyExc_SystemError,
+ "wxEntryStart failed, unable to initialize wxWidgets!"
+#ifdef __WXGTK__
+ " (Is DISPLAY set properly?)"
+#endif
+ );
+ goto error;
+ }
+
+ // On wxGTK the locale will be changed to match the system settings,
+ // but Python before 2.4 needs to have LC_NUMERIC set to "C" in order
+ // for the floating point conversions and such to work right.
+#if defined(__WXGTK__) && PY_VERSION_HEX < 0x02040000
+ setlocale(LC_NUMERIC, "C");
+#endif
- // The stock objects were all NULL when they were loaded into
- // SWIG generated proxies, so re-init those now...
- wxPy_ReinitStockObjects(3);
+// wxSystemOptions::SetOption(wxT("mac.textcontrol-use-mlte"), 1);
+
+ wxPyEndBlockThreads(blocked);
+ haveInitialized = true;
+ }
+ else {
+ this->argc = 0;
+ this->argv = NULL;
+ }
+
// It's now ok to generate exceptions for assertion errors.
- wxPythonApp->SetStartupComplete(True);
+ wxPythonApp->SetStartupComplete(true);
- // Call the Python wxApp's OnInit function
+
+ // Call the Python wxApp's OnPreInit and OnInit functions
+ blocked = wxPyBeginBlockThreads();
+ if (wxPyCBH_findCallback(m_myInst, "OnPreInit")) {
+ PyObject* method = m_myInst.GetLastFound();
+ PyObject* argTuple = PyTuple_New(0);
+ retval = PyEval_CallObject(method, argTuple);
+ m_myInst.clearRecursionGuard(method);
+ Py_DECREF(argTuple);
+ Py_DECREF(method);
+ if (retval == NULL)
+ goto error;
+ }
if (wxPyCBH_findCallback(m_myInst, "OnInit")) {
PyObject* method = m_myInst.GetLastFound();
PyObject* argTuple = PyTuple_New(0);
retval = PyEval_CallObject(method, argTuple);
+ m_myInst.clearRecursionGuard(method);
Py_DECREF(argTuple);
Py_DECREF(method);
if (retval == NULL)
+ // Don't PyErr_Print here, let the exception in this case go back
+ // up to the wx.PyApp.__init__ scope.
goto error;
pyint = PyNumber_Int(retval);
}
else {
// Is it okay if there is no OnInit? Probably so...
- result = True;
+ result = true;
}
-
if (! result) {
- PyErr_SetString(PyExc_SystemExit, "OnInit returned False, exiting...");
+ PyErr_SetString(PyExc_SystemExit, "OnInit returned false, exiting...");
}
error:
//----------------------------------------------------------------------
-// This function is called when the wxc module is imported to do some initial
-// setup. (Before there is a wxApp object.) The rest happens in
+// This function is called when the wx._core_ module is imported to do some
+// initial setup. (Before there is a wxApp object.) The rest happens in
// wxPyApp::_BootstrapApp
void __wxPyPreStart(PyObject* moduleDict)
{
#ifdef __WXMSW__
-// wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
+// wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF
+// | _CRTDBG_CHECK_ALWAYS_DF
+// | _CRTDBG_DELAY_FREE_MEM_DF
+// );
#endif
#ifdef WXP_WITH_THREAD
+#if wxPyUSE_GIL_STATE
+ PyEval_InitThreads();
+#else
PyEval_InitThreads();
wxPyTStates = new wxPyThreadStateArray;
wxPyTMutex = new wxMutex;
// 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;
+ wxPyDoingCleanup = true;
if (wxPyDoCleanup) {
- wxPyDoCleanup = False;
+ wxPyDoCleanup = false;
wxEntryCleanup();
}
#ifdef WXP_WITH_THREAD
+#if !wxPyUSE_GIL_STATE
delete wxPyTMutex;
wxPyTMutex = NULL;
wxPyTStates->Empty();
delete wxPyTStates;
wxPyTStates = NULL;
#endif
+#endif
}
return NULL;
if (!PyDict_Check(wxPython_dict)) {
- PyErr_SetString(PyExc_TypeError, "_wxPySetDictionary must have dictionary object!");
+ PyErr_SetString(PyExc_TypeError,
+ "_wxPySetDictionary must have dictionary object!");
return NULL;
}
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__"
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;
#if wxUSE_UNICODE
_AddInfoString("unicode");
#else
- _AddInfoString("ascii");
+ _AddInfoString("ansi");
#endif
#ifdef __WXGTK__
#ifdef __WXGTK20__
_AddInfoString("gtk1");
#endif
#endif
-
+#ifdef __WXDEBUG__
+ _AddInfoString("wx-assertions-on");
+#else
+ _AddInfoString("wx-assertions-off");
+#endif
+ _AddInfoString(wxPy_SWIG_VERSION);
+#ifdef __WXMAC__
+ #if wxMAC_USE_CORE_GRAPHICS
+ _AddInfoString("mac-cg");
+ #else
+ _AddInfoString("mac-qd");
+ #endif
+ #if wxMAC_USE_NATIVE_TOOLBAR
+ _AddInfoString("mac-native-tb");
+ #else
+ _AddInfoString("mac-no-native-tb");
+ #endif
+#endif
+
#undef _AddInfoString
PyObject* PlatInfoTuple = PyList_AsTuple(PlatInfo);
Py_DECREF(PlatInfo);
PyDict_SetItemString(wxPython_dict, "PlatformInfo", PlatInfoTuple);
-
- RETURN_NONE();
-}
-
-//---------------------------------------------------------------------------
-
-// Python's PyInstance_Check does not return True for instances of new-style
-// classes. This should get close enough for both new and old classes but I
-// should re-evaluate the need for doing instance checks...
-bool wxPyInstance_Check(PyObject* obj) {
- return PyObject_HasAttrString(obj, "__class__") != 0;
+ RETURN_NONE();
}
-// This one checks if the object is an instance of a SWIG proxy class (it has
-// a .this attribute)
-bool wxPySwigInstance_Check(PyObject* obj) {
- return PyObject_HasAttrString(obj, "this") != 0;
-}
//---------------------------------------------------------------------------
-// The stock objects are no longer created when the wxc module is imported,
-// but only after the app object has been created. The
-// wxPy_ReinitStockObjects function will be called 3 times to pass the stock
-// objects though various stages of evolution:
-//
-// pass 1: Set all the pointers to a non-NULL value so the Python proxy
-// object will be created (otherwise it will just use None.)
-//
-// pass 2: After the module has been imported and the python proxys have
-// been created, then set the __class__ to be _wxPyUnbornObject so
-// it will catch any access to the object and will raise an exception.
-//
-// pass 3: Finally, from OnInit patch things up so the stock objects can
-// be used.
-
-
-PyObject* __wxPyFixStockObjects(PyObject* /* self */, PyObject* args)
-{
- wxPy_ReinitStockObjects(2);
- RETURN_NONE();
-}
-
+// 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.
-static void rsoPass2(const char* name)
-{
- static PyObject* unbornObjectClass = NULL;
- PyObject* obj;
-
- if (unbornObjectClass == NULL) {
- unbornObjectClass = PyDict_GetItemString(wxPython_dict, "_wxPyUnbornObject");
- Py_INCREF(unbornObjectClass);
+bool wxPyCheckForApp() {
+ if (wxTheApp != NULL)
+ return true;
+ else {
+ PyErr_SetString(wxPyNoAppError, "The wx.App object must be created first!");
+ return false;
}
-
- // 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)
-{
-
-#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); }
-
- // 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;
+void wxPyUserData_dtor(wxPyUserData* self) {
+ if (! wxPyDoingCleanup) {
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
+ Py_DECREF(self->m_obj);
+ self->m_obj = NULL;
+ wxPyEndBlockThreads(blocked);
}
- if (pass == 3 && embedded)
- return;
-
-
- 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...
- bool blocked = wxPyBeginBlockThreads();
- Py_DECREF(self->m_obj);
+ if (self->m_incRef) {
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
+ Py_DECREF(self->m_obj);
+ wxPyEndBlockThreads(blocked);
+ }
self->m_obj = NULL;
- wxPyEndBlockThreads(blocked);
}
}
-void wxPyUserData_dtor(wxPyUserData* self) {
- if (! wxPyDoingCleanup) {
- bool blocked = wxPyBeginBlockThreads();
- Py_DECREF(self->m_obj);
- self->m_obj = NULL;
- wxPyEndBlockThreads(blocked);
- }
-}
// This is called when an OOR controled object is being destroyed. Although
static PyObject* deadObjectClass = NULL;
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
if (deadObjectClass == NULL) {
deadObjectClass = PyDict_GetItemString(wxPython_dict, "_wxPyDeadObject");
// TODO: Can not wxASSERT here because inside a wxPyBeginBlock Threads,
}
- // Only if there is more than one reference to the object
- if ( !wxPyDoingCleanup && self->m_obj->ob_refcnt > 1 ) {
+ // Only if there is more than one reference to the object and we are
+ // holding the OOR reference:
+ if ( !wxPyDoingCleanup && self->m_obj->ob_refcnt > 1 && self->m_incRef) {
// bool isInstance = wxPyInstance_Check(self->m_obj);
// TODO same here
//wxASSERT_MSG(isInstance, wxT("m_obj not an instance!?!?!"));
-PyObject* wxPyMake_wxObject(wxObject* source, bool checkEvtHandler) {
+PyObject* wxPyMake_wxObject(wxObject* source, bool setThisOwn, bool checkEvtHandler) {
PyObject* target = NULL;
- bool isEvtHandler = False;
+ bool isEvtHandler = false;
+ bool isSizer = false;
if (source) {
// If it's derived from wxEvtHandler then there may
// already be a pointer to a Python object that we can use
// in the OOR data.
if (checkEvtHandler && wxIsKindOf(source, wxEvtHandler)) {
- isEvtHandler = True;
+ isEvtHandler = true;
wxEvtHandler* eh = (wxEvtHandler*)source;
wxPyOORClientData* data = (wxPyOORClientData*)eh->GetClientObject();
if (data) {
}
}
+ // Also check for wxSizer
+ if (!target && wxIsKindOf(source, wxSizer)) {
+ isSizer = true;
+ wxSizer* sz = (wxSizer*)source;
+ wxPyOORClientData* data = (wxPyOORClientData*)sz->GetClientObject();
+ if (data) {
+ target = data->m_obj;
+ if (target)
+ Py_INCREF(target);
+ }
+ }
+
if (! target) {
// Otherwise make it the old fashioned way by making a new shadow
// object and putting this pointer in it. Look up the class
exists = wxPyCheckSwigType(name);
}
if (info) {
- target = wxPyConstructObject((void*)source, name, False);
+ target = wxPyConstructObject((void*)source, name, setThisOwn);
if (target && isEvtHandler)
((wxEvtHandler*)source)->SetClientObject(new wxPyOORClientData(target));
+ if (target && isSizer)
+ ((wxSizer*)source)->SetClientObject(new wxPyOORClientData(target));
} else {
wxString msg(wxT("wxPython class not found for "));
msg += source->GetClassInfo()->GetClassName();
}
-PyObject* wxPyMake_wxSizer(wxSizer* source) {
- PyObject* target = NULL;
+PyObject* wxPyMake_wxSizer(wxSizer* source, bool setThisOwn) {
- if (source && wxIsKindOf(source, wxSizer)) {
- // If it's derived from wxSizer then there may already be a pointer to
- // a Python object that we can use in the OOR data.
- wxSizer* sz = (wxSizer*)source;
- wxPyOORClientData* data = (wxPyOORClientData*)sz->GetClientObject();
- if (data) {
- target = data->m_obj;
- if (target)
- Py_INCREF(target);
- }
- }
- if (! target) {
- target = wxPyMake_wxObject(source, False);
- if (target != Py_None)
- ((wxSizer*)source)->SetClientObject(new wxPyOORClientData(target));
- }
- return target;
+ return wxPyMake_wxObject(source, setThisOwn);
}
#ifdef WXP_WITH_THREAD
+#if !wxPyUSE_GIL_STATE
+
inline
unsigned long wxPyGetCurrentThreadId() {
return wxThread::GetCurrentId();
if (info.tstate != tstate)
wxLogMessage("*** tstate mismatch!???");
#endif
- // info.tstate = tstate; *** DO NOT update existing ones???
+ info.tstate = tstate; // allow for transient tstates
// Normally it will never change, but apparently COM callbacks
// (i.e. ActiveX controls) will (incorrectly IMHO) use a transient
// tstate which will then be garbage the next time we try to use
// it...
+
wxPyTMutex->Unlock();
return;
}
}
#endif
+#endif
PyThreadState* wxPyBeginAllowThreads() {
#ifdef WXP_WITH_THREAD
PyThreadState* saved = PyEval_SaveThread(); // Py_BEGIN_ALLOW_THREADS;
+#if !wxPyUSE_GIL_STATE
wxPySaveThreadState(saved);
+#endif
return saved;
#else
return NULL;
// Calls from wxWindows back to Python code, or even any PyObject
// manipulations, PyDECREF's and etc. are wrapped in calls to these functions:
-bool wxPyBeginBlockThreads() {
+wxPyBlock_t wxPyBeginBlockThreads() {
#ifdef WXP_WITH_THREAD
- // This works in for 2.3, maybe a good alternative to find the needed tstate?
- // PyThreadState *check = PyGILState_GetThisThreadState();
-
+ if (! Py_IsInitialized()) {
+ return (wxPyBlock_t)0;
+ }
+#if wxPyUSE_GIL_STATE
+ PyGILState_STATE state = PyGILState_Ensure();
+ return state;
+#else
PyThreadState *current = _PyThreadState_Current;
// Only block if there wasn't already a tstate, or if the current one is
// not the one we are wanting to change to. This should prevent deadlock
// if there are nested calls to wxPyBeginBlockThreads
- bool blocked = false;
+ wxPyBlock_t blocked = false;
wxPyThreadState* tstate = wxPyGetThreadState();
if (current != tstate->tstate) {
PyEval_RestoreThread(tstate->tstate);
}
return blocked;
#endif
+#else
+ return (wxPyBlock_t)0;
+#endif
}
-void wxPyEndBlockThreads(bool blocked) {
+void wxPyEndBlockThreads(wxPyBlock_t blocked) {
#ifdef WXP_WITH_THREAD
+ if (! Py_IsInitialized()) {
+ return;
+ }
+#if wxPyUSE_GIL_STATE
+ PyGILState_Release(blocked);
+#else
// Only unblock if we blocked in the last call to wxPyBeginBlockThreads.
// The value of blocked passed in needs to be the same as that returned
// from wxPyBeginBlockThreads at the same nesting level.
PyEval_SaveThread();
}
#endif
+#endif
}
if (m_wxis)
return m_wxis->Eof();
else
- return True;
+ return true;
}
wxPyInputStream::~wxPyInputStream() {
- /* do nothing */
+ if (m_wxis)
+ delete m_wxis;
}
// check if we have a real wxInputStream to work with
if (!m_wxis) {
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
PyErr_SetString(PyExc_IOError, "no valid C-wxInputStream");
wxPyEndBlockThreads(blocked);
return NULL;
}
// error check
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
wxStreamError err = m_wxis->GetLastError();
if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
// check if we have a real wxInputStream to work with
if (!m_wxis) {
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream");
wxPyEndBlockThreads(blocked);
return NULL;
}
// errorcheck
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
wxStreamError err = m_wxis->GetLastError();
if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
// check if we have a real wxInputStream to work with
if (!m_wxis) {
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream");
wxPyEndBlockThreads(blocked);
return NULL;
}
// init list
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
pylist = PyList_New(0);
wxPyEndBlockThreads(blocked);
-
+
if (!pylist) {
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
PyErr_NoMemory();
wxPyEndBlockThreads(blocked);
return NULL;
for (i=0; (m_wxis->CanRead()) && ((sizehint < 0) || (i < sizehint));) {
PyObject* s = this->readline();
if (s == NULL) {
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
Py_DECREF(pylist);
wxPyEndBlockThreads(blocked);
return NULL;
}
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
PyList_Append(pylist, s);
i += PyString_Size(s);
wxPyEndBlockThreads(blocked);
// error check
wxStreamError err = m_wxis->GetLastError();
if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
Py_DECREF(pylist);
PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
wxPyEndBlockThreads(blocked);
: wxInputStream(), m_read(r), m_seek(s), m_tell(t), m_block(block)
{}
+wxPyCBInputStream::wxPyCBInputStream(const wxPyCBInputStream& other)
+{
+ m_read = other.m_read;
+ m_seek = other.m_seek;
+ m_tell = other.m_tell;
+ m_block = other.m_block;
+ Py_INCREF(m_read);
+ Py_INCREF(m_seek);
+ Py_INCREF(m_tell);
+}
+
wxPyCBInputStream::~wxPyCBInputStream() {
- bool blocked;
+ wxPyBlock_t blocked;
if (m_block) blocked = wxPyBeginBlockThreads();
Py_XDECREF(m_read);
Py_XDECREF(m_seek);
wxPyCBInputStream* wxPyCBInputStream::create(PyObject *py, bool block) {
- bool blocked;
+ wxPyBlock_t blocked;
if (block) blocked = wxPyBeginBlockThreads();
PyObject* read = getMethod(py, "read");
return wxPyCBInputStream::create(py, block);
}
+wxPyCBInputStream* wxPyCBInputStream_copy(wxPyCBInputStream* other) {
+ return new wxPyCBInputStream(*other);
+}
+
PyObject* wxPyCBInputStream::getMethod(PyObject* py, char* name) {
if (!PyObject_HasAttrString(py, name))
return NULL;
}
-size_t wxPyCBInputStream::GetSize() const {
+wxFileOffset wxPyCBInputStream::GetLength() const {
wxPyCBInputStream* self = (wxPyCBInputStream*)this; // cast off const
if (m_seek && m_tell) {
- off_t temp = self->OnSysTell();
- off_t ret = self->OnSysSeek(0, wxFromEnd);
+ wxFileOffset temp = self->OnSysTell();
+ wxFileOffset ret = self->OnSysSeek(0, wxFromEnd);
self->OnSysSeek(temp, wxFromStart);
return ret;
}
else
- return 0;
+ return wxInvalidOffset;
}
if (bufsize == 0)
return 0;
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
PyObject* arglist = Py_BuildValue("(i)", bufsize);
PyObject* result = PyEval_CallObject(m_read, arglist);
Py_DECREF(arglist);
return 0;
}
-off_t wxPyCBInputStream::OnSysSeek(off_t off, wxSeekMode mode) {
- bool blocked = wxPyBeginBlockThreads();
-#ifdef _LARGE_FILES
- // off_t is a 64-bit value...
- PyObject* arglist = Py_BuildValue("(Li)", off, mode);
-#else
- PyObject* arglist = Py_BuildValue("(ii)", off, mode);
-#endif
+
+wxFileOffset wxPyCBInputStream::OnSysSeek(wxFileOffset off, wxSeekMode mode) {
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
+ PyObject* arglist = PyTuple_New(2);
+
+ if (sizeof(wxFileOffset) > sizeof(long))
+ // wxFileOffset is a 64-bit value...
+ PyTuple_SET_ITEM(arglist, 0, PyLong_FromLongLong(off));
+ else
+ PyTuple_SET_ITEM(arglist, 0, PyInt_FromLong(off));
+
+ PyTuple_SET_ITEM(arglist, 1, PyInt_FromLong(mode));
+
+
PyObject* result = PyEval_CallObject(m_seek, arglist);
Py_DECREF(arglist);
Py_XDECREF(result);
}
-off_t wxPyCBInputStream::OnSysTell() const {
- bool blocked = wxPyBeginBlockThreads();
+wxFileOffset wxPyCBInputStream::OnSysTell() const {
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
PyObject* arglist = Py_BuildValue("()");
PyObject* result = PyEval_CallObject(m_tell, arglist);
Py_DECREF(arglist);
- off_t o = 0;
+ wxFileOffset o = 0;
if (result != NULL) {
-#ifdef _LARGE_FILES
if (PyLong_Check(result))
o = PyLong_AsLongLong(result);
else
-#endif
o = PyInt_AsLong(result);
Py_DECREF(result);
};
}
wxPyCallback::~wxPyCallback() {
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
Py_DECREF(m_func);
wxPyEndBlockThreads(blocked);
}
PyObject* result;
PyObject* arg;
PyObject* tuple;
- bool checkSkip = False;
+ bool checkSkip = false;
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
wxString className = event.GetClassInfo()->GetClassName();
// If the event is one of these types then pass the original
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);
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_Clear(); // Just in case...
} else {
PyErr_Print();
- }
+ }
}
if ( checkSkip ) {
static
-PyObject* PyMethod_GetDefiningClass(PyObject* method, const char* name)
+PyObject* PyMethod_GetDefiningClass(PyObject* method, PyObject* nameo)
{
PyObject* mgc = PyMethod_GET_CLASS(method);
#if PYTHON_API_VERSION <= 1010 // prior to Python 2.2, the easy way
return mgc;
#else // 2.2 and after, the hard way...
-
- PyObject* nameo = PyString_FromString(name);
- PyObject* klass = PyFindClassWithAttr(mgc, nameo);
- Py_DECREF(nameo);
- return klass;
+ return PyFindClassWithAttr(mgc, nameo);
#endif
}
-bool wxPyCallbackHelper::findCallback(const char* name) const {
+// To avoid recursion when an overridden virtual method wants to call the base
+// class version, temporarily set an attribute in the instance with the same
+// name as the method. Then the PyObject_GetAttr in the next findCallback
+// will return this attribute and the PyMethod_Check will fail.
+
+void wxPyCallbackHelper::setRecursionGuard(PyObject* method) const
+{
+ PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method);
+ PyObject_SetAttr(m_self, func->func_name, Py_None);
+}
+
+void wxPyCallbackHelper::clearRecursionGuard(PyObject* method) const
+{
+ PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method);
+ if (PyObject_HasAttr(m_self, func->func_name)) {
+ PyObject_DelAttr(m_self, func->func_name);
+ }
+}
+
+// bool wxPyCallbackHelper::hasRecursionGuard(PyObject* method) const
+// {
+// PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method);
+// if (PyObject_HasAttr(m_self, func->func_name)) {
+// PyObject* attr = PyObject_GetAttr(m_self, func->func_name);
+// bool retval = (attr == Py_None);
+// Py_DECREF(attr);
+// return retval;
+// }
+// return false;
+// }
+
+
+bool wxPyCallbackHelper::findCallback(const char* name, bool setGuard) const {
wxPyCallbackHelper* self = (wxPyCallbackHelper*)this; // cast away const
+ PyObject *method, *klass;
+ PyObject* nameo = PyString_FromString(name);
self->m_lastFound = NULL;
// If the object (m_self) has an attibute of the given name...
- if (m_self && PyObject_HasAttrString(m_self, (char*)name)) {
- PyObject *method, *klass;
- method = PyObject_GetAttrString(m_self, (char*)name);
+ if (m_self && PyObject_HasAttr(m_self, nameo)) {
+ method = PyObject_GetAttr(m_self, nameo);
// ...and if that attribute is a method, and if that method's class is
- // not from a base class...
+ // not from the registered class or a base class...
if (PyMethod_Check(method) &&
- (klass = PyMethod_GetDefiningClass(method, (char*)name)) != NULL &&
- ((klass == m_class) || PyObject_IsSubclass(klass, m_class))) {
-
- // ...then we'll save a pointer to the method so callCallback can call it.
+ (klass = PyMethod_GetDefiningClass(method, nameo)) != NULL &&
+ (klass != m_class) &&
+ PyObject_IsSubclass(klass, m_class)) {
+
+ // ...then we'll save a pointer to the method so callCallback can
+ // call it. But first, set a recursion guard in case the
+ // overridden method wants to call the base class version.
+ if (setGuard)
+ setRecursionGuard(method);
self->m_lastFound = method;
}
else {
Py_DECREF(method);
}
}
+
+ Py_DECREF(nameo);
return m_lastFound != NULL;
}
int wxPyCallbackHelper::callCallback(PyObject* argTuple) const {
PyObject* result;
- int retval = False;
+ int retval = false;
result = callCallbackObj(argTuple);
if (result) { // Assumes an integer return type...
PyObject* method = m_lastFound;
result = PyEval_CallObject(method, argTuple);
+ clearRecursionGuard(method);
+
Py_DECREF(argTuple);
Py_DECREF(method);
if (!result) {
cbh.setSelf(self, klass, incref);
}
-bool wxPyCBH_findCallback(const wxPyCallbackHelper& cbh, const char* name) {
- return cbh.findCallback(name);
+bool wxPyCBH_findCallback(const wxPyCallbackHelper& cbh, const char* name, bool setGuard) {
+ return cbh.findCallback(name, setGuard);
}
int wxPyCBH_callCallback(const wxPyCallbackHelper& cbh, PyObject* argTuple) {
void wxPyCBH_delete(wxPyCallbackHelper* cbh) {
- if (cbh->m_incRef) {
- bool blocked = wxPyBeginBlockThreads();
+ if (cbh->m_incRef && Py_IsInitialized()) {
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
Py_XDECREF(cbh->m_self);
Py_XDECREF(cbh->m_class);
wxPyEndBlockThreads(blocked);
wxPyEvtSelfRef::wxPyEvtSelfRef() {
//m_self = Py_None; // **** We don't do normal ref counting to prevent
//Py_INCREF(m_self); // circular loops...
- m_cloned = False;
+ m_cloned = false;
}
wxPyEvtSelfRef::~wxPyEvtSelfRef() {
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
if (m_cloned)
Py_DECREF(m_self);
wxPyEndBlockThreads(blocked);
}
void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) {
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
if (m_cloned)
Py_DECREF(m_self);
m_self = self;
if (clone) {
Py_INCREF(m_self);
- m_cloned = True;
+ m_cloned = true;
}
wxPyEndBlockThreads(blocked);
}
wxPyEvent::wxPyEvent(const wxPyEvent& evt)
: wxEvent(evt)
{
- SetSelf(evt.m_self, True);
+ SetSelf(evt.m_self, true);
}
wxPyCommandEvent::wxPyCommandEvent(const wxPyCommandEvent& evt)
: wxCommandEvent(evt)
{
- SetSelf(evt.m_self, True);
+ SetSelf(evt.m_self, true);
}
wxObject* wxObj;
wxNode* node = list->GetFirst();
- bool blocked = wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
pyList = PyList_New(0);
while (node) {
wxObj = node->GetData();
- pyObj = wxPyMake_wxObject(wxObj);
+ pyObj = wxPyMake_wxObject(wxObj,false);
PyList_Append(pyList, pyObj);
+ Py_DECREF(pyObj); // the Append also does an INCREF, that's one more than we need.
node = node->GetNext();
}
wxPyEndBlockThreads(blocked);
#if defined(__WXGTK__) || defined(__WXX11)
return (long)GetXWindow(win);
#endif
-
+
#ifdef __WXMAC__
//return (long)MAC_WXHWND(win->MacGetTopLevelWindowRef());
return (long)win->GetHandle();
#if wxUSE_UNICODE
PyObject* uni = source;
if (PyString_Check(source)) {
- uni = PyUnicode_FromObject(source);
+ uni = PyUnicode_FromEncodedObject(source, wxPyDefaultEncoding, "strict");
if (PyErr_Occurred()) return NULL;
}
target = new wxString();
size_t len = PyUnicode_GET_SIZE(uni);
if (len) {
PyUnicode_AsWideChar((PyUnicodeObject*)uni, target->GetWriteBuf(len), len);
- target->UngetWriteBuf();
+ target->UngetWriteBuf(len);
}
if (PyString_Check(source))
Py_DECREF(uni);
#else
- char* tmpPtr; int tmpSize;
- if (PyString_AsStringAndSize(source, &tmpPtr, &tmpSize) == -1) {
- PyErr_SetString(PyExc_TypeError, "Unable to convert string");
- return NULL;
+ // Convert to a string object if it isn't already, then to wxString
+ PyObject* str = source;
+ if (PyUnicode_Check(source)) {
+ str = PyUnicode_AsEncodedString(source, wxPyDefaultEncoding, "strict");
+ if (PyErr_Occurred()) return NULL;
+ }
+ else if (!PyString_Check(source)) {
+ str = PyObject_Str(source);
+ if (PyErr_Occurred()) return NULL;
}
+ char* tmpPtr; Py_ssize_t tmpSize;
+ PyString_AsStringAndSize(str, &tmpPtr, &tmpSize);
target = new wxString(tmpPtr, tmpSize);
+
+ if (!PyString_Check(source))
+ Py_DECREF(str);
#endif // wxUSE_UNICODE
-
+
return target;
}
// Convert to a unicode object, if not already, then to a wxString
PyObject* uni = source;
if (!PyUnicode_Check(source)) {
- uni = PyUnicode_FromObject(source);
+ uni = PyUnicode_FromEncodedObject(source, wxPyDefaultEncoding, "strict");
if (PyErr_Occurred()) return wxEmptyString; // TODO: should we PyErr_Clear?
- }
+ }
size_t len = PyUnicode_GET_SIZE(uni);
if (len) {
PyUnicode_AsWideChar((PyUnicodeObject*)uni, target.GetWriteBuf(len), len);
target.UngetWriteBuf();
}
-
+
if (!PyUnicode_Check(source))
Py_DECREF(uni);
#else
// Convert to a string object if it isn't already, then to wxString
PyObject* str = source;
- if (!PyString_Check(source)) {
+ if (PyUnicode_Check(source)) {
+ str = PyUnicode_AsEncodedString(source, wxPyDefaultEncoding, "strict");
+ if (PyErr_Occurred()) return wxEmptyString; // TODO: should we PyErr_Clear?
+ }
+ else if (!PyString_Check(source)) {
str = PyObject_Str(source);
if (PyErr_Occurred()) return wxEmptyString; // TODO: should we PyErr_Clear?
}
- char* tmpPtr; int tmpSize;
+ char* tmpPtr; Py_ssize_t tmpSize;
PyString_AsStringAndSize(str, &tmpPtr, &tmpSize);
target = wxString(tmpPtr, tmpSize);
-
+
if (!PyString_Check(source))
Py_DECREF(str);
#endif // wxUSE_UNICODE
}
+
+void wxSetDefaultPyEncoding(const char* encoding)
+{
+ strncpy(wxPyDefaultEncoding, encoding, DEFAULTENCODING_SIZE);
+}
+
+const char* wxGetDefaultPyEncoding()
+{
+ return wxPyDefaultEncoding;
+}
+
//----------------------------------------------------------------------
return temp;
}
-//--------------------------------
-// Part of patch from Tim Hochberg
-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;
- }
- if (PyFloat_Check(o1) && PyFloat_Check(o2)) {
+//---------------------------------------------------------------------------
+// NOTE: The following functions could really use some refactoring using
+// templates to make things somewhat simpler...
+
+inline bool wxPointFromObjects(PyObject* o1, PyObject* o2, wxPoint* point)
+{
+ // get the x value
+ if (PyInt_Check(o1))
+ point->x = (int)PyInt_AS_LONG(o1);
+ else if (PyFloat_Check(o1))
point->x = (int)PyFloat_AS_DOUBLE(o1);
+ else if (PyNumber_Check(o1))
+ point->x = (int)PyInt_AsLong(o1);
+ else
+ return false;
+
+ // get the y value
+ if (PyInt_Check(o2))
+ point->y = (int)PyInt_AS_LONG(o2);
+ else if (PyFloat_Check(o2))
point->y = (int)PyFloat_AS_DOUBLE(o2);
- return True;
- }
- if (wxPySwigInstance_Check(o1) || wxPySwigInstance_Check(o2)) { // TODO: Why???
- // Disallow instances because they can cause havok
- 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 False;
+ else if (PyNumber_Check(o2))
+ point->y = (int)PyInt_AsLong(o2);
+ else
+ return false;
+
+ return true;
+
+// NOTE: This function used to have this code in it, but I don't know why it
+// is a problem nor what havok it will cause, so removing for now...
+// if (wxPySwigInstance_Check(o1) || wxPySwigInstance_Check(o2)) {
+// // Disallow instances because they can cause havok
+// return false;
+// }
+}
+
+
+inline bool wxPoint2DFromObjects(PyObject* o1, PyObject* o2, wxPoint2D* point)
+{
+ // get the x value
+ if (PyInt_Check(o1))
+ point->m_x = (double)PyInt_AS_LONG(o1);
+ else if (PyFloat_Check(o1))
+ point->m_x = (double)PyFloat_AS_DOUBLE(o1);
+ else if (PyNumber_Check(o1))
+ point->m_x = (double)PyFloat_AsDouble(o1);
+ else
+ return false;
+
+ // get the y value
+ if (PyInt_Check(o2))
+ point->m_y = (double)PyInt_AS_LONG(o2);
+ else if (PyFloat_Check(o2))
+ point->m_y = (double)PyFloat_AS_DOUBLE(o2);
+ else if (PyNumber_Check(o2))
+ point->m_y = (double)PyFloat_AsDouble(o2);
+ else
+ return false;
+
+ return true;
}
-wxPoint* wxPoint_LIST_helper(PyObject* source, int *count) {
- // Putting all of the declarations here allows
- // us to put the error handling all in one place.
- int x;
+
+wxPoint* wxPoint_LIST_helper(PyObject* source, int *count)
+{
+ int idx;
wxPoint* temp;
PyObject *o, *o1, *o2;
bool isFast = PyList_Check(source) || PyTuple_Check(source);
PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
return NULL;
}
- for (x=0; x<*count; x++) {
+ for (idx=0; idx<*count; idx++) {
// Get an item: try fast way first.
if (isFast) {
- o = PySequence_Fast_GET_ITEM(source, x);
+ o = PySequence_Fast_GET_ITEM(source, idx);
}
else {
- o = PySequence_GetItem(source, x);
+ o = PySequence_GetItem(source, idx);
if (o == NULL) {
goto error1;
}
(PyList_Check(o) && PyList_GET_SIZE(o) == 2)) {
o1 = PySequence_Fast_GET_ITEM(o, 0);
o2 = PySequence_Fast_GET_ITEM(o, 1);
- if (!wxPointFromObjects(o1, o2, &temp[x])) {
+ if (!wxPointFromObjects(o1, o2, &temp[idx])) {
goto error2;
}
}
if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPoint"))) {
goto error2;
}
- temp[x] = *pt;
+ temp[idx] = *pt;
}
else if (PySequence_Check(o) && PySequence_Length(o) == 2) {
o1 = PySequence_GetItem(o, 0);
o2 = PySequence_GetItem(o, 1);
- if (!wxPointFromObjects(o1, o2, &temp[x])) {
+ if (!wxPointFromObjects(o1, o2, &temp[idx])) {
goto error3;
}
Py_DECREF(o1);
PyErr_SetString(PyExc_TypeError, "Expected a sequence of length-2 sequences or wxPoints.");
return NULL;
}
-// end of patch
-//------------------------------
+
+
+
+wxPoint2D* wxPoint2D_LIST_helper(PyObject* source, size_t *count)
+{
+ size_t idx;
+ wxPoint2D* temp;
+ PyObject *o, *o1, *o2;
+ bool isFast = PyList_Check(source) || PyTuple_Check(source);
+
+ if (!PySequence_Check(source)) {
+ goto error0;
+ }
+
+ // The length of the sequence is returned in count.
+ *count = PySequence_Length(source);
+ if (*count < 0) {
+ goto error0;
+ }
+
+ temp = new wxPoint2D[*count];
+ if (!temp) {
+ PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
+ return NULL;
+ }
+ for (idx=0; idx<*count; idx++) {
+ // Get an item: try fast way first.
+ if (isFast) {
+ o = PySequence_Fast_GET_ITEM(source, idx);
+ }
+ else {
+ o = PySequence_GetItem(source, idx);
+ if (o == NULL) {
+ goto error1;
+ }
+ }
+
+ // Convert o to wxPoint.
+ if ((PyTuple_Check(o) && PyTuple_GET_SIZE(o) == 2) ||
+ (PyList_Check(o) && PyList_GET_SIZE(o) == 2)) {
+ o1 = PySequence_Fast_GET_ITEM(o, 0);
+ o2 = PySequence_Fast_GET_ITEM(o, 1);
+ if (!wxPoint2DFromObjects(o1, o2, &temp[idx])) {
+ goto error2;
+ }
+ }
+ else if (wxPySwigInstance_Check(o)) {
+ wxPoint2D* pt;
+ if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPoint2D"))) {
+ goto error2;
+ }
+ temp[idx] = *pt;
+ }
+ else if (PySequence_Check(o) && PySequence_Length(o) == 2) {
+ o1 = PySequence_GetItem(o, 0);
+ o2 = PySequence_GetItem(o, 1);
+ if (!wxPoint2DFromObjects(o1, o2, &temp[idx])) {
+ goto error3;
+ }
+ Py_DECREF(o1);
+ Py_DECREF(o2);
+ }
+ else {
+ goto error2;
+ }
+ // Clean up.
+ if (!isFast)
+ Py_DECREF(o);
+ }
+ return temp;
+
+error3:
+ Py_DECREF(o1);
+ Py_DECREF(o2);
+error2:
+ if (!isFast)
+ Py_DECREF(o);
+error1:
+ delete [] temp;
+error0:
+ PyErr_SetString(PyExc_TypeError, "Expected a sequence of length-2 sequences or wxPoint2Ds.");
+ return NULL;
+}
+
+//---------------------------------------------------------------------------
wxBitmap** wxBitmap_LIST_helper(PyObject* source) {
PyObject *o1, *o2;
if (!PySequence_Check(source) || PySequence_Length(source) != 2)
- return False;
+ return false;
if (isFast) {
o1 = PySequence_Fast_GET_ITEM(source, 0);
Py_DECREF(o1);
Py_DECREF(o2);
}
- return True;
+ return true;
}
PyObject *o1, *o2, *o3, *o4;
if (!PySequence_Check(source) || PySequence_Length(source) != 4)
- return False;
+ return false;
if (isFast) {
o1 = PySequence_Fast_GET_ITEM(source, 0);
Py_DECREF(o3);
Py_DECREF(o4);
}
- return True;
+ return true;
}
if (wxPySwigInstance_Check(source) &&
wxPyConvertSwigPtr(source, (void **)&ptr, classname))
- return True;
+ return true;
PyErr_Clear();
if (PySequence_Check(source) && PySequence_Length(source) == seqLen)
- return True;
+ return true;
- return False;
+ return false;
}
bool wxSize_helper(PyObject* source, wxSize** obj)
{
if (source == Py_None) {
**obj = wxSize(-1,-1);
- return True;
+ return true;
}
return wxPyTwoIntItem_helper(source, obj, wxT("wxSize"));
}
{
if (source == Py_None) {
**obj = wxPoint(-1,-1);
- return True;
+ return true;
}
return wxPyTwoIntItem_helper(source, obj, wxT("wxPoint"));
}
if (source == Py_None) {
**obj = wxRealPoint(-1,-1);
- return True;
+ return true;
}
// If source is an object instance then it may already be the right type
if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxRealPoint")))
goto error;
*obj = ptr;
- return True;
+ return true;
}
// otherwise a 2-tuple of floats is expected
else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
**obj = wxRealPoint(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2));
Py_DECREF(o1);
Py_DECREF(o2);
- return True;
+ return true;
}
error:
PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wxRealPoint object.");
- return False;
+ return false;
}
if (source == Py_None) {
**obj = wxRect(-1,-1,-1,-1);
- return True;
+ return true;
}
// If source is an object instance then it may already be the right type
if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxRect")))
goto error;
*obj = ptr;
- return True;
+ return true;
}
// otherwise a 4-tuple of integers is expected
else if (PySequence_Check(source) && PyObject_Length(source) == 4) {
Py_DECREF(o2);
Py_DECREF(o3);
Py_DECREF(o4);
- return True;
+ return true;
}
error:
PyErr_SetString(PyExc_TypeError, "Expected a 4-tuple of integers or a wxRect object.");
- return False;
+ return false;
}
if (source == Py_None) {
**obj = wxNullColour;
- return True;
+ return true;
}
// If source is an object instance then it may already be the right type
if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxColour")))
goto error;
*obj = ptr;
- return True;
+ return true;
}
// otherwise check for a string
else if (PyString_Check(source) || PyUnicode_Check(source)) {
spec.Mid(5,2).ToLong(&blue, 16);
**obj = wxColour(red, green, blue);
- return True;
+ return true;
}
else { // it's a colour name
**obj = wxColour(spec);
- return True;
+ return true;
}
}
- // last chance: 3-tuple of integers is expected
+ // last chance: 3-tuple or 4-tuple of integers is expected
else if (PySequence_Check(source) && PyObject_Length(source) == 3) {
PyObject* o1 = PySequence_GetItem(source, 0);
PyObject* o2 = PySequence_GetItem(source, 1);
Py_DECREF(o1);
Py_DECREF(o2);
Py_DECREF(o3);
- return True;
+ return true;
+ }
+ else if (PySequence_Check(source) && PyObject_Length(source) == 4) {
+ PyObject* o1 = PySequence_GetItem(source, 0);
+ 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 = wxColour(PyInt_AsLong(o1), PyInt_AsLong(o2), PyInt_AsLong(o3), PyInt_AsLong(o4));
+ Py_DECREF(o1);
+ Py_DECREF(o2);
+ Py_DECREF(o3);
+ Py_DECREF(o4);
+ return true;
}
error:
PyErr_SetString(PyExc_TypeError,
- "Expected a wxColour object or a string containing a colour name or '#RRGGBB'.");
- return False;
+ "Expected a wxColour object, a string containing a colour name or '#RRGGBB', or a 3- or 4-tuple of integers.");
+ return false;
}
bool wxColour_typecheck(PyObject* source) {
if (wxPySimple_typecheck(source, wxT("wxColour"), 3))
- return True;
+ return true;
if (PyString_Check(source) || PyUnicode_Check(source))
- return True;
+ return true;
- return False;
+ return false;
}
if (source == Py_None) {
**obj = wxPoint2D(-1,-1);
- return True;
+ return true;
}
// If source is an object instance then it may already be the right type
if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxPoint2D")))
goto error;
*obj = ptr;
- return True;
+ return true;
}
// otherwise a length-2 sequence of floats is expected
if (PySequence_Check(source) && PySequence_Length(source) == 2) {
**obj = wxPoint2D(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2));
Py_DECREF(o1);
Py_DECREF(o2);
- return True;
+ return true;
}
error:
- PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wxPoint2D object.");
- return False;
+ PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wx.Point2D object.");
+ return false;
}
-//----------------------------------------------------------------------
-PyObject* wxArrayString2PyList_helper(const wxArrayString& arr) {
+bool wxRect2D_helper(PyObject* source, wxRect2D** obj) {
+ if (source == Py_None) {
+ **obj = wxRect2D(-1,-1,-1,-1);
+ return true;
+ }
+
+ // If source is an object instance then it may already be the right type
+ if (wxPySwigInstance_Check(source)) {
+ wxRect2D* ptr;
+ if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxRect2D")))
+ goto error;
+ *obj = ptr;
+ return true;
+ }
+ // otherwise a length-4 sequence of floats is expected
+ if (PySequence_Check(source) && PySequence_Length(source) == 4) {
+ PyObject* o1 = PySequence_GetItem(source, 0);
+ PyObject* o2 = PySequence_GetItem(source, 1);
+ PyObject* o3 = PySequence_GetItem(source, 2);
+ PyObject* o4 = PySequence_GetItem(source, 3);
+ // This should really check for floats, not numbers -- but that would break code.
+ 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 = wxRect2D(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2),
+ PyFloat_AsDouble(o3), PyFloat_AsDouble(o4));
+ Py_DECREF(o1);
+ Py_DECREF(o2);
+ Py_DECREF(o3);
+ Py_DECREF(o4);
+ return true;
+ }
+ error:
+ PyErr_SetString(PyExc_TypeError, "Expected a 4-tuple of floats or a wx.Rect2D object.");
+ return false;
+}
+
+
+//----------------------------------------------------------------------
+
+PyObject* wxArrayString2PyList_helper(const wxArrayString& arr)
+{
PyObject* list = PyList_New(0);
for (size_t i=0; i < arr.GetCount(); i++) {
#if wxUSE_UNICODE
}
-PyObject* wxArrayInt2PyList_helper(const wxArrayInt& arr) {
-
+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]);
}
+PyObject* wxArrayDouble2PyList_helper(const wxArrayDouble& arr)
+{
+ PyObject* list = PyList_New(0);
+ for (size_t i=0; i < arr.GetCount(); i++) {
+ PyObject* number = PyFloat_FromDouble(arr[i]);
+ PyList_Append(list, number);
+ Py_DECREF(number);
+ }
+ return list;
+}
+
+
+//----------------------------------------------------------------------
+// wxPyImageHandler methods
+//
+// TODO: Switch these to use wxPython's standard macros and helper classes
+// for calling callbacks.
+
+PyObject* wxPyImageHandler::m_DoCanRead_Name = NULL;
+PyObject* wxPyImageHandler::m_GetImageCount_Name = NULL;
+PyObject* wxPyImageHandler::m_LoadFile_Name = NULL;
+PyObject* wxPyImageHandler::m_SaveFile_Name = NULL;
+
+PyObject* wxPyImageHandler::py_InputStream(wxInputStream* stream) {
+ return wxPyConstructObject(new wxPyInputStream(stream),
+ wxT("wxPyInputStream"), 0);
+}
+
+PyObject* wxPyImageHandler::py_Image(wxImage* image) {
+ return wxPyConstructObject(image, wxT("wxImage"), 0);
+}
+
+PyObject* wxPyImageHandler::py_OutputStream(wxOutputStream* stream) {
+ return wxPyConstructObject(stream, wxT("wxOutputStream"), 0);
+}
+
+wxPyImageHandler::wxPyImageHandler():
+ m_self(NULL)
+{
+ if (!m_DoCanRead_Name) {
+ m_DoCanRead_Name = PyString_FromString("DoCanRead");
+ m_GetImageCount_Name = PyString_FromString("GetImageCount");
+ m_LoadFile_Name = PyString_FromString("LoadFile");
+ m_SaveFile_Name = PyString_FromString("SaveFile");
+ }
+}
+
+wxPyImageHandler::~wxPyImageHandler() {
+ if (m_self) {
+ Py_DECREF(m_self);
+ m_self = NULL;
+ }
+}
+
+void wxPyImageHandler::_SetSelf(PyObject *self) {
+ // should check here for isinstance(PyImageHandler) ??
+ m_self = self;
+ Py_INCREF(m_self);
+}
+
+bool wxPyImageHandler::DoCanRead(wxInputStream& stream) {
+ // check if our object has this method
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
+ if (!m_self || !PyObject_HasAttr(m_self, m_DoCanRead_Name)) {
+ wxPyEndBlockThreads(blocked);
+ return false;
+ }
+
+ PyObject* res = PyObject_CallMethodObjArgs(m_self, m_DoCanRead_Name,
+ py_InputStream(&stream), NULL);
+ bool retval = false;
+ if (res) {
+ retval = PyInt_AsLong(res);
+ Py_DECREF(res);
+ PyErr_Clear();
+ }
+ else
+ PyErr_Print();
+ wxPyEndBlockThreads(blocked);
+ return retval;
+}
+
+bool wxPyImageHandler::LoadFile( wxImage* image, wxInputStream& stream,
+ bool verbose, int index ) {
+ // check if our object has this method
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
+ if (!m_self || !PyObject_HasAttr(m_self, m_LoadFile_Name)) {
+ wxPyEndBlockThreads(blocked);
+ return false;
+ }
+ PyObject* res = PyObject_CallMethodObjArgs(m_self, m_LoadFile_Name,
+ py_Image(image),
+ py_InputStream(&stream),
+ PyInt_FromLong(verbose),
+ PyInt_FromLong(index),
+ NULL);
+ bool retval = false;
+ if (res) {
+ retval = PyInt_AsLong(res);
+ Py_DECREF(res);
+ PyErr_Clear();
+ } else
+ PyErr_Print();
+ wxPyEndBlockThreads(blocked);
+ return retval;
+}
+
+bool wxPyImageHandler::SaveFile( wxImage* image, wxOutputStream& stream,
+ bool verbose ) {
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
+ if (!m_self || !PyObject_HasAttr(m_self, m_SaveFile_Name)) {
+ wxPyEndBlockThreads(blocked);
+ return false;
+ }
+ PyObject* res = PyObject_CallMethodObjArgs(m_self, m_SaveFile_Name,
+ py_Image(image),
+ py_OutputStream(&stream),
+ PyInt_FromLong(verbose),
+ NULL);
+ bool retval = false;
+ if(res) {
+ retval=PyInt_AsLong(res);
+ Py_DECREF(res);
+ PyErr_Clear();
+ } else
+ PyErr_Print();
+ wxPyEndBlockThreads(blocked);
+ return retval;
+}
+
+int wxPyImageHandler::GetImageCount( wxInputStream& stream ) {
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
+ if (!m_self || !PyObject_HasAttr(m_self, m_GetImageCount_Name)) {
+ wxPyEndBlockThreads(blocked);
+ return 1;
+ }
+ PyObject *res=PyObject_CallMethodObjArgs(m_self, m_GetImageCount_Name,
+ py_InputStream(&stream),
+ NULL);
+ int retval = 1;
+ if(res) {
+ retval=PyInt_AsLong(res);
+ Py_DECREF(res);
+ PyErr_Clear();
+ } else
+ PyErr_Print();
+ wxPyEndBlockThreads(blocked);
+ return retval;
+}
+
+
+//----------------------------------------------------------------------
+// Function to test if the Display (or whatever is the platform equivallent)
+// can be connected to. This is accessable from wxPython as a staticmethod of
+// wx.App called DisplayAvailable().
+
+
+bool wxPyTestDisplayAvailable()
+{
+#ifdef __WXGTK__
+ Display* display;
+ display = XOpenDisplay(NULL);
+ if (display == NULL)
+ return false;
+ XCloseDisplay(display);
+ return true;
+#endif
+
+#ifdef __WXMAC__
+ // This is adapted from Python's Mac/Modules/MacOS.c in the
+ // MacOS_WMAvailable function.
+ bool rv;
+ ProcessSerialNumber psn;
+
+ /*
+ ** This is a fairly innocuous call to make if we don't have a window
+ ** manager, or if we have no permission to talk to it. It will print
+ ** a message on stderr, but at least it won't abort the process.
+ ** It appears the function caches the result itself, and it's cheap, so
+ ** no need for us to cache.
+ */
+#ifdef kCGNullDirectDisplay
+ /* On 10.1 CGMainDisplayID() isn't available, and
+ ** kCGNullDirectDisplay isn't defined.
+ */
+ if (CGMainDisplayID() == 0) {
+ rv = false;
+ } else
+#endif
+ {
+ // Also foreground the application on the first call as a side-effect.
+ if (GetCurrentProcess(&psn) < 0 || SetFrontProcess(&psn) < 0) {
+ rv = false;
+ } else {
+ rv = true;
+ }
+ }
+ return rv;
+#endif
+
+#ifdef __WXMSW__
+ // TODO...
+ return true;
+#endif
+}
+
+
//----------------------------------------------------------------------
//----------------------------------------------------------------------
projects / wxWidgets.git / blobdiff