//
// Author: Robin Dunn
//
-// Created: 7/1/97
+// Created: 1-July-1997
// RCS-ID: $Id$
// Copyright: (c) 1998 by Total Control Software
// Licence: wxWindows license
#undef DEBUG
#include <Python.h>
-#include "helpers.h"
-#include "pyistream.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>
#endif
#ifdef __WXGTK__
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
#include <gtk/gtk.h>
#include <gdk/gdkprivate.h>
+#ifdef __WXGTK20__
#include <wx/gtk/win_gtk.h>
+#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__
+#include "wx/x11/privx.h"
+#define GetXWindow(wxwin) ((Window)(wxwin)->GetHandle())
+#endif
-#if PYTHON_API_VERSION <= 1007 && wxUSE_UNICODE
-#error Python must support Unicode to use wxWindows Unicode
+#ifdef __WXMAC__
+#include <wx/mac/private.h>
#endif
+#include <wx/clipbrd.h>
+#include <wx/mimetype.h>
+#include <wx/image.h>
+
//----------------------------------------------------------------------
-#ifdef __WXGTK__
-int WXDLLEXPORT wxEntryStart( int& argc, char** argv );
-#else
-int WXDLLEXPORT wxEntryStart( int argc, char** argv );
+#if PYTHON_API_VERSION < 1009 && wxUSE_UNICODE
+#error Python must support Unicode to use wxWindows Unicode
#endif
-int WXDLLEXPORT wxEntryInitGui();
-void WXDLLEXPORT wxEntryCleanup();
+
+//----------------------------------------------------------------------
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* wxPyPtrTypeMap = NULL;
static PyObject* wxPyAssertionError = NULL;
+static PyObject* wxPyNoAppError = NULL;
+
+PyObject* wxPyPtrTypeMap = NULL;
#ifdef __WXMSW__ // If building for win32...
// This gets run when the DLL is loaded. We just need to save a handle.
//----------------------------------------------------------------------
+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;
}
wxPyApp::~wxPyApp() {
+ wxPythonApp = NULL;
+ wxApp::SetInstance(NULL);
}
-// This one isn't acutally called... We fake it with __wxStart()
+// This one isn't acutally called... We fake it with _BootstrapApp
bool wxPyApp::OnInit() {
- return FALSE;
+ return false;
}
DeletePendingObjects();
bool initialized = wxTopLevelWindows.GetCount() != 0;
-#ifdef __WXGTK__
- m_initialized = initialized;
-#endif
-
if (initialized) {
if ( m_exitOnFrameDelete == Later ) {
m_exitOnFrameDelete = Yes;
bool wxPyApp::OnInitGui() {
- bool rval=TRUE;
+ bool rval=true;
wxApp::OnInitGui(); // in this case always call the base class version
- // wxPyBeginBlockThreads(); *** only called from within __wxStart so we already have the GIL
+ wxPyBlock_t 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();
+ wxPyBlock_t 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;
}
+
+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::OnAssert(const wxChar *file,
- int line,
- const wxChar *cond,
- const wxChar *msg) {
+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 ( 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;
- wxPyBeginBlockThreads();
+ wxPyBlock_t 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) {
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
- wxPyBeginBlockThreads();
+ wxPyBlock_t 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
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)
+{
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
+ if (wxPyCBH_findCallback(m_myInst, "MacOpenFile")) {
+ PyObject* s = wx2PyString(fileName);
+ wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));
+ Py_DECREF(s);
+ }
+ wxPyEndBlockThreads(blocked);
+}
+
+void wxPyApp::MacPrintFile(const wxString &fileName)
+{
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
+ if (wxPyCBH_findCallback(m_myInst, "MacPrintFile")) {
+ PyObject* s = wx2PyString(fileName);
+ wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));
+ Py_DECREF(s);
+ }
+ wxPyEndBlockThreads(blocked);
+}
-/*static*/
-bool wxPyApp::GetMacDefaultEncodingIsPC() {
-#ifdef __WXMAC__
- return s_macDefaultEncodingIsPC;
-#else
- return 0;
-#endif
+void wxPyApp::MacNewFile()
+{
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
+ if (wxPyCBH_findCallback(m_myInst, "MacNewFile"))
+ wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
+ wxPyEndBlockThreads(blocked);
}
+void wxPyApp::MacReopenApp()
+{
+ 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::SetMacDefaultEncodingIsPC(bool val) {
-#ifdef __WXMAC__
- s_macDefaultEncodingIsPC = val;
-#endif
-}
-
-/*static*/
-void wxPyApp::SetMacSupportPCMenuShortcuts(bool val) {
-#ifdef __WXMAC__
- s_macSupportPCMenuShortcuts = val;
-#endif
+void wxPyApp::SetMacSupportPCMenuShortcuts(bool) {
}
/*static*/
}
+// This finishes the initialization of wxWindows and then calls the OnInit
+// 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;
+
+
+ // 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;
+ }
+ wxPyEndBlockThreads(blocked);
+
+ // 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, 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
+
+// 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);
+
+
+ // 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);
+ if (! pyint) {
+ PyErr_SetString(PyExc_TypeError, "OnInit should return a boolean value");
+ goto error;
+ }
+ result = PyInt_AS_LONG(pyint);
+ }
+ else {
+ // Is it okay if there is no OnInit? Probably so...
+ result = true;
+ }
+
+ if (! result) {
+ PyErr_SetString(PyExc_SystemExit, "OnInit returned false, exiting...");
+ }
+
+ error:
+ Py_XDECREF(retval);
+ Py_XDECREF(pyint);
+
+ wxPyEndBlockThreads(blocked);
+};
//---------------------------------------------------------------------
//----------------------------------------------------------------------
+#if 0
static char* wxPyCopyCString(const wxChar* src)
{
wxWX2MBbuf buff = (wxWX2MBbuf)wxConvCurrent->cWX2MB(src);
return copystring(src);
}
#endif
+#endif
+inline const char* dropwx(const char* name) {
+ if (name[0] == 'w' && name[1] == 'x')
+ return name+2;
+ else
+ return name;
+}
+
//----------------------------------------------------------------------
-// This is where we pick up the first part of the wxEntry functionality...
-// The rest is in __wxStart and __wxCleanup. This function is called when
-// wxcmodule is imported. (Before there is a wxApp object.)
-void __wxPreStart(PyObject* moduleDict)
+// 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;
-#endif
- wxApp::CheckBuildOptions(wxBuildOptions());
-
- wxPyAssertionError = PyErr_NewException("wxPython.wxc.wxPyAssertionError",
- PyExc_AssertionError, NULL);
- PyDict_SetItemString(moduleDict, "wxPyAssertionError", wxPyAssertionError);
-
-
- // 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, so we don't need to call wxEntryStart.
- if (wxTheApp != NULL) {
- return;
- }
- wxPyDoCleanup = TRUE;
-
- int argc = 0;
- char** argv = NULL;
- PyObject* sysargv = PySys_GetObject("argv");
- if (sysargv != NULL) {
- argc = PyList_Size(sysargv);
- argv = new char*[argc+1];
- int x;
- for(x=0; x<argc; x++) {
- PyObject *item = PyList_GetItem(sysargv, x);
- argv[x] = wxPyCopyCString(Py2wxString(item));
- }
- argv[argc] = NULL;
- }
-
- wxEntryStart(argc, argv);
- delete [] argv;
-}
-
-
-// Start the user application, user App's OnInit method is a parameter here
-PyObject* __wxStart(PyObject* /* self */, PyObject* args)
-{
- PyObject* onInitFunc = NULL;
- PyObject* arglist;
- PyObject* result;
- long bResult;
-
- if (!PyArg_ParseTuple(args, "O", &onInitFunc))
- return NULL;
-
- // This is the next part of the wxEntry functionality...
- int argc = 0;
- wxChar** argv = NULL;
- PyObject* sysargv = PySys_GetObject("argv");
- if (sysargv != NULL) {
- argc = PyList_Size(sysargv);
- argv = new wxChar*[argc+1];
- int x;
- for(x=0; x<argc; x++) {
- PyObject *pyArg = PyList_GetItem(sysargv, x);
- argv[x] = wxPyCopyWString(Py2wxString(pyArg));
- }
- argv[argc] = NULL;
- }
-
- wxPythonApp->argc = argc;
- wxPythonApp->argv = argv;
-
- wxEntryInitGui();
-
- // Call the Python App's OnInit function
- arglist = PyTuple_New(0);
- result = PyEval_CallObject(onInitFunc, arglist);
- Py_DECREF(arglist);
- if (!result) { // an exception was raised.
- return NULL;
- }
-
- PyObject* pyint = PyNumber_Int(result);
- if (! pyint) {
- PyErr_SetString(PyExc_TypeError, "OnInit should return a boolean value");
- goto error;
- }
- bResult = PyInt_AS_LONG(pyint);
- if (! bResult) {
- PyErr_SetString(PyExc_SystemExit, "OnInit returned FALSE, exiting...");
- goto error;
- }
-
-#ifdef __WXGTK__
- wxTheApp->m_initialized = (wxTopLevelWindows.GetCount() > 0);
+ // Save the current (main) thread state in our array
+ PyThreadState* tstate = wxPyBeginAllowThreads();
+ wxPyEndAllowThreads(tstate);
+#endif
#endif
- Py_DECREF(result);
- Py_DECREF(pyint);
- Py_INCREF(Py_None);
- return Py_None;
+ // Ensure that the build options in the DLL (or whatever) match this build
+ wxApp::CheckBuildOptions(WX_BUILD_OPTIONS_SIGNATURE, "wxPython");
- error:
- Py_XDECREF(result);
- Py_XDECREF(pyint);
- return NULL;
+ wxInitAllImageHandlers();
}
-void __wxCleanup() {
- wxPyDoingCleanup = TRUE;
- if (wxPyDoCleanup)
+
+void __wxPyCleanup() {
+ wxPyDoingCleanup = true;
+ if (wxPyDoCleanup) {
+ wxPyDoCleanup = false;
wxEntryCleanup();
+ }
#ifdef WXP_WITH_THREAD
+#if !wxPyUSE_GIL_STATE
delete wxPyTMutex;
wxPyTMutex = NULL;
wxPyTStates->Empty();
delete wxPyTStates;
wxPyTStates = NULL;
#endif
+#endif
}
-
-
-PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
+// Save a reference to the dictionary of the wx._core module, and inject
+// a few more things into it.
+PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args)
{
if (!PyArg_ParseTuple(args, "O", &wxPython_dict))
return NULL;
if (!PyDict_Check(wxPython_dict)) {
- PyErr_SetString(PyExc_TypeError, "_wxSetDictionary must have dictionary object!");
+ PyErr_SetString(PyExc_TypeError,
+ "_wxPySetDictionary must have dictionary object!");
return NULL;
}
wxPyPtrTypeMap = PyDict_New();
PyDict_SetItemString(wxPython_dict, "__wxPyPtrTypeMap", wxPyPtrTypeMap);
+ // Create an exception object to use for wxASSERTions
+ wxPyAssertionError = PyErr_NewException("wx._core.PyAssertionError",
+ PyExc_AssertionError, NULL);
+ PyDict_SetItemString(wxPython_dict, "PyAssertionError", wxPyAssertionError);
+
+ // Create an exception object to use when the app object hasn't been created yet
+ wxPyNoAppError = PyErr_NewException("wx._core.PyNoAppError",
+ PyExc_RuntimeError, NULL);
+ PyDict_SetItemString(wxPython_dict, "PyNoAppError", wxPyNoAppError);
+
+
#ifdef __WXMOTIF__
#define wxPlatform "__WXMOTIF__"
+#define wxPlatName "wxMotif"
#endif
#ifdef __WXX11__
#define wxPlatform "__WXX11__"
+#define wxPlatName "wxX11"
#endif
#ifdef __WXGTK__
#define wxPlatform "__WXGTK__"
+#define wxPlatName "wxGTK"
#endif
-#if defined(__WIN32__) || defined(__WXMSW__)
+#ifdef __WXMSW__
#define wxPlatform "__WXMSW__"
+#define wxPlatName "wxMSW"
#endif
#ifdef __WXMAC__
#define wxPlatform "__WXMAC__"
+#define wxPlatName "wxMac"
#endif
#ifdef __WXDEBUG__
int wxdebug = 0;
#endif
- PyDict_SetItemString(wxPython_dict, "wxPlatform", PyString_FromString(wxPlatform));
- PyDict_SetItemString(wxPython_dict, "wxUSE_UNICODE", PyInt_FromLong(wxUSE_UNICODE));
+ // These should be deprecated in favor of the PlatformInfo tuple built below...
+ PyDict_SetItemString(wxPython_dict, "Platform", PyString_FromString(wxPlatform));
+ PyDict_SetItemString(wxPython_dict, "USE_UNICODE", PyInt_FromLong(wxUSE_UNICODE));
PyDict_SetItemString(wxPython_dict, "__WXDEBUG__", PyInt_FromLong(wxdebug));
- Py_INCREF(Py_None);
- return Py_None;
+ // Make a tuple of strings that gives more info about the platform.
+ PyObject* PlatInfo = PyList_New(0);
+ PyObject* obj;
+
+#define _AddInfoString(st) \
+ obj = PyString_FromString(st); \
+ PyList_Append(PlatInfo, obj); \
+ Py_DECREF(obj)
+
+ _AddInfoString(wxPlatform);
+ _AddInfoString(wxPlatName);
+#if wxUSE_UNICODE
+ _AddInfoString("unicode");
+#else
+ _AddInfoString("ansi");
+#endif
+#ifdef __WXGTK__
+#ifdef __WXGTK20__
+ _AddInfoString("gtk2");
+#else
+ _AddInfoString("gtk1");
+#endif
+#endif
+#ifdef __WXDEBUG__
+ _AddInfoString("wx-assertions-on");
+#else
+ _AddInfoString("wx-assertions-off");
+#endif
+ _AddInfoString(wxPy_SWIG_VERSION);
+#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();
}
+
+
//---------------------------------------------------------------------------
-void wxPyClientData_dtor(wxPyClientData* self) {
- if (! wxPyDoingCleanup) { // Don't do it during cleanup as Python
- // may have already garbage collected the object...
- wxPyBeginBlockThreads();
- Py_DECREF(self->m_obj);
- wxPyEndBlockThreads();
+// Check for existence of a wxApp, setting an exception if there isn't one.
+// This doesn't need to aquire the GIL because it should only be called from
+// an %exception before the lock is released.
+
+bool wxPyCheckForApp() {
+ if (wxTheApp != NULL)
+ return true;
+ else {
+ PyErr_SetString(wxPyNoAppError, "The wx.App object must be created first!");
+ return false;
}
}
+//---------------------------------------------------------------------------
+
void wxPyUserData_dtor(wxPyUserData* self) {
if (! wxPyDoingCleanup) {
- wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
Py_DECREF(self->m_obj);
- wxPyEndBlockThreads();
+ self->m_obj = NULL;
+ wxPyEndBlockThreads(blocked);
+ }
+}
+
+
+void wxPyClientData_dtor(wxPyClientData* self) {
+ if (! wxPyDoingCleanup) { // Don't do it during cleanup as Python
+ // may have already garbage collected the object...
+ if (self->m_incRef) {
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
+ Py_DECREF(self->m_obj);
+ wxPyEndBlockThreads(blocked);
+ }
+ self->m_obj = NULL;
}
}
+
// This is called when an OOR controled object is being destroyed. Although
// the C++ object is going away there is no way to force the Python object
// (and all references to it) to die too. This causes problems (crashes) in
// 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.
+// _wxPyDeadObject in _core_ex.py for the implementation of this class.
void wxPyOORClientData_dtor(wxPyOORClientData* self) {
static PyObject* deadObjectClass = NULL;
- wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
if (deadObjectClass == NULL) {
deadObjectClass = PyDict_GetItemString(wxPython_dict, "_wxPyDeadObject");
- wxASSERT_MSG(deadObjectClass != NULL, wxT("Can't get _wxPyDeadObject class!"));
+ // TODO: Can not wxASSERT here because inside a wxPyBeginBlock Threads,
+ // will lead to a deadlock when it tries to aquire the GIL again.
+ //wxASSERT_MSG(deadObjectClass != NULL, wxT("Can't get _wxPyDeadObject class!"));
Py_INCREF(deadObjectClass);
}
- // TODO: If wxPyDOingCleanup, should we skip the code below?
- // 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);
+ // Only if there is more than one reference to the object and we are
+ // holding the OOR reference:
+ if ( !wxPyDoingCleanup && self->m_obj->ob_refcnt > 1 && self->m_incRef) {
+ // bool isInstance = wxPyInstance_Check(self->m_obj);
+ // TODO same here
+ //wxASSERT_MSG(isInstance, wxT("m_obj not an instance!?!?!"));
+
+ // Call __del__, if there is one.
+ PyObject* func = PyObject_GetAttrString(self->m_obj, "__del__");
+ if (func) {
+ PyObject* rv = PyObject_CallMethod(self->m_obj, "__del__", NULL);
+ Py_XDECREF(rv);
+ Py_DECREF(func);
+ }
+ if (PyErr_Occurred())
+ PyErr_Clear(); // just ignore it for now
+
+
+ PyObject* dict = PyObject_GetAttrString(self->m_obj, "__dict__");
+ if (dict) {
+ // Clear the instance's dictionary
+ PyDict_Clear(dict);
+
+ // put the name of the old class into the instance, and then reset the
+ // class to be the dead class.
+ PyObject* klass = PyObject_GetAttrString(self->m_obj, "__class__");
+ PyObject* name = PyObject_GetAttrString(klass, "__name__");
+ PyDict_SetItemString(dict, "_name", name);
+ PyObject_SetAttrString(self->m_obj, "__class__", deadObjectClass);
+ //Py_INCREF(deadObjectClass);
+ Py_DECREF(klass);
+ Py_DECREF(name);
+ }
}
- wxPyEndBlockThreads();
+
+ // m_obj is DECREF'd in the base class dtor...
+ wxPyEndBlockThreads(blocked);
}
+
//---------------------------------------------------------------------------
// Stuff used by OOR to find the right wxPython class type to return and to
// build it.
-PyObject* wxPyClassExists(const wxString& className) {
-
- PyObject* item;
- wxString name(className);
- char buff[64]; // should always be big enough...
-
- if (!className)
- return NULL;
-
- // Try the name as-is first
- sprintf(buff, "%sPtr", (const char*)name.mbc_str());
- PyObject* classobj = PyDict_GetItemString(wxPython_dict, buff);
-
- // if not found see if there is a mapped name for it
- if ( ! classobj) {
- if ((item = PyDict_GetItemString(wxPyPtrTypeMap, (char*)(const char*)name.mbc_str())) != NULL) {
- name = wxString(PyString_AsString(item), *wxConvCurrent);
- sprintf(buff, "%sPtr", (const char*)name.mbc_str());
- classobj = PyDict_GetItemString(wxPython_dict, buff);
- }
- }
-
- return classobj; // returns NULL if not found
-}
-
-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) {
target = data->m_obj;
- Py_INCREF(target);
+ if (target)
+ Py_INCREF(target);
}
}
+ // 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.
- wxClassInfo* info = source->GetClassInfo();
- wxString name = info->GetClassName();
- PyObject* klass = wxPyClassExists(name);
- while (info && !klass) {
- name = (wxChar*)info->GetBaseClassName1();
- info = wxClassInfo::FindClass(name);
- klass = wxPyClassExists(name);
+ // Otherwise make it the old fashioned way by making a new shadow
+ // object and putting this pointer in it. Look up the class
+ // heirarchy until we find a class name that is located in the
+ // python module.
+ const wxClassInfo* info = source->GetClassInfo();
+ wxString name = info->GetClassName();
+ bool exists = wxPyCheckSwigType(name);
+ while (info && !exists) {
+ info = info->GetBaseClass1();
+ name = info->GetClassName();
+ exists = wxPyCheckSwigType(name);
}
if (info) {
- target = wxPyConstructObject(source, name, klass, FALSE);
+ target = wxPyConstructObject((void*)source, name, 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;
-
- 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 wxString& className,
- PyObject* klass,
- int setThisOwn) {
-
- PyObject* obj;
- PyObject* arg;
- PyObject* item;
- wxString name(className);
- char swigptr[64]; // should always be big enough...
- char buff[64];
-
- if ((item = PyDict_GetItemString(wxPyPtrTypeMap, (char*)(const char*)name.mbc_str())) != NULL) {
- name = wxString(PyString_AsString(item), *wxConvCurrent);
- }
- sprintf(buff, "_%s_p", (const char*)name.mbc_str());
- SWIG_MakePtr(swigptr, ptr, buff);
-
- arg = Py_BuildValue("(s)", swigptr);
- obj = PyInstance_New(klass, arg, NULL);
- Py_DECREF(arg);
-
- if (setThisOwn) {
- PyObject* one = PyInt_FromLong(1);
- PyObject_SetAttrString(obj, "thisown", one);
- Py_DECREF(one);
- }
-
- return obj;
-}
-
-
-PyObject* wxPyConstructObject(void* ptr,
- const wxString& className,
- int setThisOwn) {
- if (!ptr) {
- Py_INCREF(Py_None);
- return Py_None;
- }
-
- char buff[64]; // should always be big enough...
- sprintf(buff, "%sPtr", (const char*)className.mbc_str());
-
- wxASSERT_MSG(wxPython_dict, wxT("wxPython_dict is not set yet!!"));
-
- PyObject* classobj = PyDict_GetItemString(wxPython_dict, buff);
- if (! classobj) {
- wxString msg(wxT("wxPython class not found for "));
- msg += className;
- PyErr_SetString(PyExc_NameError, msg.mbc_str());
- return NULL;
- }
+PyObject* wxPyMake_wxSizer(wxSizer* source, bool setThisOwn) {
- return wxPyConstructObject(ptr, className, classobj, setThisOwn);
+ return wxPyMake_wxObject(source, setThisOwn);
}
#ifdef WXP_WITH_THREAD
+#if !wxPyUSE_GIL_STATE
+
inline
unsigned long wxPyGetCurrentThreadId() {
return wxThread::GetCurrentId();
}
-static PyThreadState* gs_shutdownTState;
+static wxPyThreadState gs_shutdownTState;
+
static
-PyThreadState* wxPyGetThreadState() {
+wxPyThreadState* wxPyGetThreadState() {
if (wxPyTMutex == NULL) // Python is shutting down...
- return gs_shutdownTState;
+ return &gs_shutdownTState;
unsigned long ctid = wxPyGetCurrentThreadId();
- PyThreadState* tstate = NULL;
+ wxPyThreadState* 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;
+ tstate = &info;
break;
}
}
return tstate;
}
+
static
void wxPySaveThreadState(PyThreadState* tstate) {
if (wxPyTMutex == NULL) { // Python is shutting down, assume a single thread...
- gs_shutdownTState = tstate;
+ gs_shutdownTState.tstate = tstate;
return;
}
unsigned long ctid = wxPyGetCurrentThreadId();
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
+
// Calls from Python to wxWindows code are wrapped in calls to these
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:
-void wxPyBeginBlockThreads() {
+wxPyBlock_t wxPyBeginBlockThreads() {
#ifdef WXP_WITH_THREAD
- PyThreadState* tstate = wxPyGetThreadState();
- PyEval_RestoreThread(tstate);
+ 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
+ wxPyBlock_t blocked = false;
+ wxPyThreadState* tstate = wxPyGetThreadState();
+ if (current != tstate->tstate) {
+ PyEval_RestoreThread(tstate->tstate);
+ blocked = true;
+ }
+ return blocked;
+#endif
+#else
+ return (wxPyBlock_t)0;
#endif
}
-void wxPyEndBlockThreads() {
+void wxPyEndBlockThreads(wxPyBlock_t blocked) {
#ifdef WXP_WITH_THREAD
- // Is there any need to save it again?
- // PyThreadState* tstate =
- PyEval_SaveThread();
+ 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.
+ if ( blocked ) {
+ 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) {
- wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
PyErr_SetString(PyExc_IOError, "no valid C-wxInputStream");
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return NULL;
}
}
// error check
- 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");
// 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();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream");
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return NULL;
}
}
// errorcheck
- 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");
// 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();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream");
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return NULL;
}
// init list
- wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
pylist = PyList_New(0);
+ wxPyEndBlockThreads(blocked);
+
if (!pylist) {
- wxPyBeginBlockThreads();
+ wxPyBlock_t 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();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
Py_DECREF(pylist);
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return NULL;
}
- wxPyBeginBlockThreads();
+ wxPyBlock_t 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();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
Py_DECREF(pylist);
PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return NULL;
}
: 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() {
- if (m_block) wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBlock_t_default;
+ 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();
+ wxPyBlock_t blocked = wxPyBlock_t_default;
+ 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);
}
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;
- wxPyBeginBlockThreads();
+ wxPyBlock_t 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;
}
return 0;
}
-off_t wxPyCBInputStream::OnSysSeek(off_t off, wxSeekMode mode) {
- wxPyBeginBlockThreads();
- PyObject* arglist = Py_BuildValue("(ii)", off, mode);
+
+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);
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return OnSysTell();
}
-off_t wxPyCBInputStream::OnSysTell() const {
- 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) {
- o = PyInt_AsLong(result);
+ if (PyLong_Check(result))
+ o = PyLong_AsLongLong(result);
+ else
+ o = PyInt_AsLong(result);
Py_DECREF(result);
};
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
return o;
}
}
wxPyCallback::~wxPyCallback() {
- wxPyBeginBlockThreads();
+ wxPyBlock_t 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* result;
PyObject* arg;
PyObject* tuple;
+ bool checkSkip = false;
-
- wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
wxString className = event.GetClassInfo()->GetClassName();
- if (className == wxT("wxPyEvent"))
- arg = ((wxPyEvent*)&event)->GetSelf();
- else if (className == wxT("wxPyCommandEvent"))
- arg = ((wxPyCommandEvent*)&event)->GetSelf();
+ // If the event is one of these types then pass the original
+ // event object instead of the one passed to us.
+ if ( className == wxT("wxPyEvent") ) {
+ arg = ((wxPyEvent*)&event)->GetSelf();
+ checkSkip = ((wxPyEvent*)&event)->GetCloned();
+ }
+ else if ( className == wxT("wxPyCommandEvent") ) {
+ arg = ((wxPyCommandEvent*)&event)->GetSelf();
+ checkSkip = ((wxPyCommandEvent*)&event)->GetCloned();
+ }
else {
arg = wxPyConstructObject((void*)&event, className);
}
- tuple = PyTuple_New(1);
- PyTuple_SET_ITEM(tuple, 0, arg);
- result = PyEval_CallObject(func, tuple);
- Py_DECREF(tuple);
- if (result) {
- Py_DECREF(result);
- PyErr_Clear(); // Just in case...
- } else {
+ 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
+ result = PyEval_CallObject(func, tuple);
+ if ( result ) {
+ Py_DECREF(result); // result is ignored, but we still need to decref it
+ PyErr_Clear(); // Just in case...
+ } else {
+ 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
+ // value from the original and set it in the clone.
+ result = PyObject_CallMethod(arg, "GetSkipped", "");
+ if ( result ) {
+ event.Skip(PyInt_AsLong(result));
+ Py_DECREF(result);
+ } else {
+ PyErr_Print();
+ }
+ }
+ Py_DECREF(tuple);
}
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
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 */
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) || PyClass_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...
}
// Invoke the Python callable object, returning the raw PyObject return
-// value. Caller should DECREF the return value and also call PyEval_SaveThread.
+// value. Caller should DECREF the return value and also manage the GIL.
PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) const {
PyObject* result;
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) {
- wxPyBeginBlockThreads();
+ if (cbh->m_incRef && Py_IsInitialized()) {
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
Py_XDECREF(cbh->m_self);
Py_XDECREF(cbh->m_class);
- wxPyEndBlockThreads();
+ 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() {
- wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
if (m_cloned)
Py_DECREF(m_self);
- wxPyEndBlockThreads();
+ wxPyEndBlockThreads(blocked);
}
void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) {
- 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();
+ wxPyEndBlockThreads(blocked);
}
PyObject* wxPyEvtSelfRef::GetSelf() const {
IMPLEMENT_ABSTRACT_CLASS(wxPyCommandEvent, wxCommandEvent);
-wxPyEvent::wxPyEvent(int id)
- : wxEvent(id) {
+wxPyEvent::wxPyEvent(int winid, wxEventType commandType)
+ : wxEvent(winid, commandType) {
}
wxPyEvent::wxPyEvent(const wxPyEvent& evt)
: wxEvent(evt)
{
- SetSelf(evt.m_self, TRUE);
+ SetSelf(evt.m_self, true);
}
wxPyCommandEvent::wxPyCommandEvent(const wxPyCommandEvent& evt)
: wxCommandEvent(evt)
{
- SetSelf(evt.m_self, TRUE);
+ SetSelf(evt.m_self, true);
}
-//---------------------------------------------------------------------------
-//---------------------------------------------------------------------------
-
-
-wxPyTimer::wxPyTimer(PyObject* callback) {
- func = callback;
- Py_INCREF(func);
-}
-
-wxPyTimer::~wxPyTimer() {
- wxPyBeginBlockThreads();
- Py_DECREF(func);
- wxPyEndBlockThreads();
-}
-
-void wxPyTimer::Notify() {
- if (!func || func == Py_None) {
- wxTimer::Notify();
- }
- else {
- wxPyBeginBlockThreads();
-
- PyObject* result;
- PyObject* args = Py_BuildValue("()");
-
- result = PyEval_CallObject(func, args);
- Py_DECREF(args);
- if (result) {
- Py_DECREF(result);
- PyErr_Clear();
- } else {
- PyErr_Print();
- }
-
- wxPyEndBlockThreads();
- }
-}
-
-
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
-// Convert a wxList to a Python List
+// Convert a wxList to a Python List, only works for lists of wxObjects
-PyObject* wxPy_ConvertList(wxListBase* listbase, const char* className) {
+PyObject* wxPy_ConvertList(wxListBase* listbase) {
wxList* list = (wxList*)listbase; // this is probably bad...
PyObject* pyList;
PyObject* pyObj;
wxObject* wxObj;
wxNode* node = list->GetFirst();
- wxPyBeginBlockThreads();
+ wxPyBlock_t blocked = wxPyBeginBlockThreads();
pyList = PyList_New(0);
while (node) {
wxObj = node->GetData();
- pyObj = wxPyMake_wxObject(wxObj); //wxPyConstructObject(wxObj, className);
+ 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();
+ wxPyEndBlockThreads(blocked);
return pyList;
}
//----------------------------------------------------------------------
long wxPyGetWinHandle(wxWindow* win) {
+
#ifdef __WXMSW__
return (long)win->GetHandle();
#endif
- // Find and return the actual X-Window.
-#ifdef __WXGTK__
- if (win->m_wxwindow) {
-#ifdef __WXGTK20__
- return (long) GDK_WINDOW_XWINDOW(GTK_PIZZA(win->m_wxwindow)->bin_window);
-#else
- GdkWindowPrivate* bwin = (GdkWindowPrivate*)GTK_PIZZA(win->m_wxwindow)->bin_window;
- if (bwin) {
- return (long)bwin->xwindow;
- }
+#if defined(__WXGTK__) || defined(__WXX11)
+ return (long)GetXWindow(win);
#endif
- }
+
+#ifdef __WXMAC__
+ //return (long)MAC_WXHWND(win->MacGetTopLevelWindowRef());
+ return (long)win->GetHandle();
#endif
+
return 0;
}
// Some helper functions for typemaps in my_typemaps.i, so they won't be
// 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
+ wxString* target = NULL;
+
if (!PyString_Check(source) && !PyUnicode_Check(source)) {
- PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
+ PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
return NULL;
}
#if wxUSE_UNICODE
- if (PyUnicode_Check(source)) {
- target = new wxString();
- size_t len = PyUnicode_GET_SIZE(source);
- if (len) {
- PyUnicode_AsWideChar((PyUnicodeObject*)source, target->GetWriteBuf(len), len);
- target->UngetWriteBuf();
- }
- } else {
- // It is a string, get pointers to it and transform to unicode
- char* tmpPtr; int tmpSize;
- PyString_AsStringAndSize(source, &tmpPtr, &tmpSize);
- target = new wxString(tmpPtr, *wxConvCurrent, tmpSize);
+ PyObject* uni = source;
+ if (PyString_Check(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(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
-#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;
}
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
+ // Convert to a unicode object, if not already, then to a wxString
+ PyObject* uni = source;
+ if (!PyUnicode_Check(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 wxUSE_UNICODE
+ 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 (PyUnicode_Check(source)) {
- size_t len = PyUnicode_GET_SIZE(source);
- if (len) {
- PyUnicode_AsWideChar((PyUnicodeObject*)source, target.GetWriteBuf(len), len);
- target.UngetWriteBuf();
- }
- } else {
- // It is a string, get pointers to it and transform to unicode
- char* tmpPtr; int tmpSize;
- PyString_AsStringAndSize(source, &tmpPtr, &tmpSize);
- target = wxString(tmpPtr, *wxConvCurrent, tmpSize);
+ str = PyUnicode_AsEncodedString(source, wxPyDefaultEncoding, "strict");
+ if (PyErr_Occurred()) return wxEmptyString; // TODO: should we PyErr_Clear?
}
-#else
- char* tmpPtr; int tmpSize;
- PyString_AsStringAndSize(source, &tmpPtr, &tmpSize);
+ else if (!PyString_Check(source)) {
+ str = PyObject_Str(source);
+ if (PyErr_Occurred()) return wxEmptyString; // TODO: should we PyErr_Clear?
+ }
+ char* tmpPtr; Py_ssize_t tmpSize;
+ PyString_AsStringAndSize(str, &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 (!PyString_Check(source))
+ Py_DECREF(str);
+#endif // wxUSE_UNICODE
- if (doDecRef)
- Py_DECREF(source);
return target;
}
}
+
+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 (PyInstance_Check(o1) || PyInstance_Check(o2)) {
- // Disallow instances because they can cause havok
+ else if (PyNumber_Check(o2))
+ point->y = (int)PyInt_AsLong(o2);
+ else
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;
+
+ 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;
+// }
}
-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;
+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)
+{
+ 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;
}
}
- else if (PyInstance_Check(o)) {
+ else if (wxPySwigInstance_Check(o)) {
wxPoint* pt;
- if (SWIG_GetPtrObj(o, (void **)&pt, "_wxPoint_p")) {
+ if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPoint"))) {
goto error2;
}
- temp[x] = *pt;
+ 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) {
}
for (int x=0; x<count; x++) {
PyObject* o = PyList_GetItem(source, x);
- if (PyInstance_Check(o)) {
+ if (wxPySwigInstance_Check(o)) {
wxBitmap* pt;
- if (SWIG_GetPtrObj(o, (void **) &pt,"_wxBitmap_p")) {
- PyErr_SetString(PyExc_TypeError,"Expected _wxBitmap_p.");
+ if (! wxPyConvertSwigPtr(o, (void **) &pt, wxT("wxBitmap"))) {
+ PyErr_SetString(PyExc_TypeError,"Expected wxBitmap.");
return NULL;
}
temp[x] = pt;
}
for (int x=0; x<count; x++) {
PyObject* o = PyList_GetItem(source, x);
- if (PyInstance_Check(o)) {
+ if (wxPySwigInstance_Check(o)) {
wxAcceleratorEntry* ae;
- if (SWIG_GetPtrObj(o, (void **) &ae,"_wxAcceleratorEntry_p")) {
- PyErr_SetString(PyExc_TypeError,"Expected _wxAcceleratorEntry_p.");
+ if (! wxPyConvertSwigPtr(o, (void **) &ae, wxT("wxAcceleratorEntry"))) {
+ PyErr_SetString(PyExc_TypeError,"Expected wxAcceleratorEntry.");
return NULL;
}
temp[x] = *ae;
}
for (int x=0; x<count; x++) {
PyObject* o = PyList_GetItem(source, x);
- if (PyInstance_Check(o)) {
+ if (wxPySwigInstance_Check(o)) {
wxPen* pt;
- if (SWIG_GetPtrObj(o, (void **) &pt,"_wxPen_p")) {
+ if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPen"))) {
delete temp;
- PyErr_SetString(PyExc_TypeError,"Expected _wxPen_p.");
+ PyErr_SetString(PyExc_TypeError,"Expected wxPen.");
return NULL;
}
temp[x] = pt;
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;
}
//----------------------------------------------------------------------
-bool wxSize_helper(PyObject* source, wxSize** obj) {
+bool wxPySimple_typecheck(PyObject* source, const wxChar* classname, int seqLen)
+{
+ void* ptr;
- // If source is an object instance then it may already be the right type
- if (PyInstance_Check(source)) {
- wxSize* ptr;
- if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxSize_p"))
- goto error;
- *obj = ptr;
- return TRUE;
- }
- // otherwise a 2-tuple of integers is expected
- 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 (wxPySwigInstance_Check(source) &&
+ wxPyConvertSwigPtr(source, (void **)&ptr, classname))
+ return true;
- error:
- PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of integers or a wxSize object.");
- return FALSE;
+ PyErr_Clear();
+ if (PySequence_Check(source) && PySequence_Length(source) == seqLen)
+ return true;
+
+ return false;
}
+bool wxSize_helper(PyObject* source, wxSize** obj)
+{
+ if (source == Py_None) {
+ **obj = wxSize(-1,-1);
+ return true;
+ }
+ return wxPyTwoIntItem_helper(source, obj, wxT("wxSize"));
+}
-bool wxPoint_helper(PyObject* source, wxPoint** obj) {
- // If source is an object instance then it may already be the right type
- if (PyInstance_Check(source)) {
- wxPoint* ptr;
- if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxPoint_p"))
- goto error;
- *obj = ptr;
- return TRUE;
- }
- // otherwise a length-2 sequence of integers is expected
- 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);
- return TRUE;
+bool wxPoint_helper(PyObject* source, wxPoint** obj)
+{
+ if (source == Py_None) {
+ **obj = wxPoint(-1,-1);
+ return true;
}
- error:
- PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of integers or a wxPoint object.");
- return FALSE;
+ return wxPyTwoIntItem_helper(source, obj, wxT("wxPoint"));
}
bool wxRealPoint_helper(PyObject* source, wxRealPoint** obj) {
+ if (source == Py_None) {
+ **obj = wxRealPoint(-1,-1);
+ return true;
+ }
+
// If source is an object instance then it may already be the right type
- if (PyInstance_Check(source)) {
+ if (wxPySwigInstance_Check(source)) {
wxRealPoint* ptr;
- if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxRealPoint_p"))
+ 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;
}
-
bool wxRect_helper(PyObject* source, wxRect** obj) {
+ if (source == Py_None) {
+ **obj = wxRect(-1,-1,-1,-1);
+ return true;
+ }
+
// If source is an object instance then it may already be the right type
- if (PyInstance_Check(source)) {
+ if (wxPySwigInstance_Check(source)) {
wxRect* ptr;
- if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxRect_p"))
+ 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;
}
bool wxColour_helper(PyObject* source, wxColour** obj) {
+ if (source == Py_None) {
+ **obj = wxNullColour;
+ return true;
+ }
+
// If source is an object instance then it may already be the right type
- if (PyInstance_Check(source)) {
+ if (wxPySwigInstance_Check(source)) {
wxColour* ptr;
- if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxColour_p"))
+ 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;
+
+ if (PyString_Check(source) || PyUnicode_Check(source))
+ return true;
+
+ return false;
+}
+
+
+
+bool wxPoint2D_helper(PyObject* source, wxPoint2D** obj) {
+
+ if (source == Py_None) {
+ **obj = wxPoint2D(-1,-1);
+ return true;
+ }
-bool wxPoint2DDouble_helper(PyObject* source, wxPoint2DDouble** obj) {
// If source is an object instance then it may already be the right type
- if (PyInstance_Check(source)) {
- wxPoint2DDouble* ptr;
- if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxPoint2DDouble_p"))
+ if (wxPySwigInstance_Check(source)) {
+ wxPoint2D* ptr;
+ 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) {
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.
+ // This should really check for floats, not numbers -- but that would break code.
if (!PyNumber_Check(o1) || !PyNumber_Check(o2)) {
Py_DECREF(o1);
Py_DECREF(o2);
goto error;
}
- **obj = wxPoint2DDouble(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2));
+ **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 wxPoint2DDouble object.");
- return FALSE;
+ PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wx.Point2D object.");
+ return false;
}
-//----------------------------------------------------------------------
+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* 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