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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: helpers.cpp
3 // Purpose: Helper functions/classes for the wxPython extension module
4 //
5 // Author: Robin Dunn
6 //
7 // Created: 1-July-1997
8 // RCS-ID: $Id$
9 // Copyright: (c) 1998 by Total Control Software
10 // Licence: wxWindows license
11 /////////////////////////////////////////////////////////////////////////////
12
13
14 #undef DEBUG
15 #include <Python.h>
16 #include "wx/wxPython/wxPython_int.h"
17 #include "wx/wxPython/pyistream.h"
18
19 #ifdef __WXMSW__
20 #include <wx/msw/private.h>
21 #include <wx/msw/winundef.h>
22 #include <wx/msw/msvcrt.h>
23 #endif
24
25 #ifdef __WXGTK__
26 #include <gdk/gdk.h>
27 #include <gdk/gdkx.h>
28 #include <gtk/gtk.h>
29 #include <gdk/gdkprivate.h>
30 #include <wx/gtk/win_gtk.h>
31 #define GetXWindow(wxwin) (wxwin)->m_wxwindow ? \
32 GDK_WINDOW_XWINDOW(GTK_PIZZA((wxwin)->m_wxwindow)->bin_window) : \
33 GDK_WINDOW_XWINDOW((wxwin)->m_widget->window)
34 #include <locale.h>
35 #endif
36
37 #ifdef __WXX11__
38 #include "wx/x11/privx.h"
39 #define GetXWindow(wxwin) ((Window)(wxwin)->GetHandle())
40 #endif
41
42 #ifdef __WXMAC__
43 #include <wx/mac/private.h>
44 #endif
45
46 #include <wx/clipbrd.h>
47 #include <wx/mimetype.h>
48 #include <wx/image.h>
49
50 //----------------------------------------------------------------------
51
52 #if PYTHON_API_VERSION < 1009 && wxUSE_UNICODE
53 #error Python must support Unicode to use wxWindows Unicode
54 #endif
55
56 //----------------------------------------------------------------------
57
58 wxPyApp* wxPythonApp = NULL; // Global instance of application object
59 bool wxPyDoCleanup = false;
60 bool wxPyDoingCleanup = false;
61
62
63 #ifdef WXP_WITH_THREAD
64 #if !wxPyUSE_GIL_STATE
65 struct wxPyThreadState {
66 unsigned long tid;
67 PyThreadState* tstate;
68
69 wxPyThreadState(unsigned long _tid=0, PyThreadState* _tstate=NULL)
70 : tid(_tid), tstate(_tstate) {}
71 };
72
73 #include <wx/dynarray.h>
74 WX_DECLARE_OBJARRAY(wxPyThreadState, wxPyThreadStateArray);
75 #include <wx/arrimpl.cpp>
76 WX_DEFINE_OBJARRAY(wxPyThreadStateArray);
77
78 wxPyThreadStateArray* wxPyTStates = NULL;
79 wxMutex* wxPyTMutex = NULL;
80
81 #endif
82 #endif
83
84
85 #define DEFAULTENCODING_SIZE 64
86 static char wxPyDefaultEncoding[DEFAULTENCODING_SIZE] = "ascii";
87
88 static PyObject* wxPython_dict = NULL;
89 static PyObject* wxPyAssertionError = NULL;
90 static PyObject* wxPyNoAppError = NULL;
91
92 PyObject* wxPyPtrTypeMap = NULL;
93
94
95 #ifdef __WXMSW__ // If building for win32...
96 //----------------------------------------------------------------------
97 // This gets run when the DLL is loaded. We just need to save a handle.
98 //----------------------------------------------------------------------
99
100 extern "C"
101 BOOL WINAPI DllMain(
102 HINSTANCE hinstDLL, // handle to DLL module
103 DWORD fdwReason, // reason for calling function
104 LPVOID lpvReserved // reserved
105 )
106 {
107 // If wxPython is embedded in another wxWidgets app then
108 // the instance has already been set.
109 if (! wxGetInstance())
110 wxSetInstance(hinstDLL);
111 return true;
112 }
113 #endif
114
115 //----------------------------------------------------------------------
116 // Classes for implementing the wxp main application shell.
117 //----------------------------------------------------------------------
118
119 IMPLEMENT_ABSTRACT_CLASS(wxPyApp, wxApp);
120
121
122 wxPyApp::wxPyApp() {
123 m_assertMode = wxPYAPP_ASSERT_EXCEPTION;
124 m_startupComplete = false;
125 }
126
127
128 wxPyApp::~wxPyApp() {
129 wxPythonApp = NULL;
130 wxApp::SetInstance(NULL);
131 }
132
133
134 // This one isn't acutally called... We fake it with _BootstrapApp
135 bool wxPyApp::OnInit() {
136 return false;
137 }
138
139
140 int wxPyApp::MainLoop() {
141 int retval = 0;
142
143 DeletePendingObjects();
144 bool initialized = wxTopLevelWindows.GetCount() != 0;
145 if (initialized) {
146 if ( m_exitOnFrameDelete == Later ) {
147 m_exitOnFrameDelete = Yes;
148 }
149
150 retval = wxApp::MainLoop();
151 OnExit();
152 }
153 return retval;
154 }
155
156
157 bool wxPyApp::OnInitGui() {
158 bool rval=true;
159 wxApp::OnInitGui(); // in this case always call the base class version
160 wxPyBlock_t blocked = wxPyBeginBlockThreads();
161 if (wxPyCBH_findCallback(m_myInst, "OnInitGui"))
162 rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
163 wxPyEndBlockThreads(blocked);
164 return rval;
165 }
166
167
168 int wxPyApp::OnExit() {
169 int rval=0;
170 wxPyBlock_t blocked = wxPyBeginBlockThreads();
171 if (wxPyCBH_findCallback(m_myInst, "OnExit"))
172 rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
173 wxPyEndBlockThreads(blocked);
174 wxApp::OnExit(); // in this case always call the base class version
175 return rval;
176 }
177
178
179 #ifdef __WXDEBUG__
180 void wxPyApp::OnAssert(const wxChar *file,
181 int line,
182 const wxChar *cond,
183 const wxChar *msg) {
184
185 // if we're not fully initialized then just log the error
186 if (! m_startupComplete) {
187 wxString buf;
188 buf.Alloc(4096);
189 buf.Printf(wxT("%s(%d): assert \"%s\" failed"),
190 file, line, cond);
191 if (msg != NULL) {
192 buf += wxT(": ");
193 buf += msg;
194 }
195 wxLogDebug(buf);
196 return;
197 }
198
199 // If the OnAssert is overloaded in the Python class then call it...
200 bool found;
201 wxPyBlock_t blocked = wxPyBeginBlockThreads();
202 if ((found = wxPyCBH_findCallback(m_myInst, "OnAssert"))) {
203 PyObject* fso = wx2PyString(file);
204 PyObject* cso = wx2PyString(file);
205 PyObject* mso;
206 if (msg != NULL)
207 mso = wx2PyString(file);
208 else {
209 mso = Py_None; Py_INCREF(Py_None);
210 }
211 wxPyCBH_callCallback(m_myInst, Py_BuildValue("(OiOO)", fso, line, cso, mso));
212 Py_DECREF(fso);
213 Py_DECREF(cso);
214 Py_DECREF(mso);
215 }
216 wxPyEndBlockThreads(blocked);
217
218 // ...otherwise do our own thing with it
219 if (! found) {
220 // ignore it?
221 if (m_assertMode & wxPYAPP_ASSERT_SUPPRESS)
222 return;
223
224 // turn it into a Python exception?
225 if (m_assertMode & wxPYAPP_ASSERT_EXCEPTION) {
226 wxString buf;
227 buf.Alloc(4096);
228 buf.Printf(wxT("C++ assertion \"%s\" failed in %s(%d)"), cond, file, line);
229 if (msg != NULL) {
230 buf += wxT(": ");
231 buf += msg;
232 }
233
234 // set the exception
235 wxPyBlock_t blocked = wxPyBeginBlockThreads();
236 PyObject* s = wx2PyString(buf);
237 PyErr_SetObject(wxPyAssertionError, s);
238 Py_DECREF(s);
239 wxPyEndBlockThreads(blocked);
240
241 // Now when control returns to whatever API wrapper was called from
242 // Python it should detect that an exception is set and will return
243 // NULL, signalling the exception to Python.
244 }
245
246 // Send it to the normal log destination, but only if
247 // not _DIALOG because it will call this too
248 if ( (m_assertMode & wxPYAPP_ASSERT_LOG) && !(m_assertMode & wxPYAPP_ASSERT_DIALOG)) {
249 wxString buf;
250 buf.Alloc(4096);
251 buf.Printf(wxT("%s(%d): assert \"%s\" failed"),
252 file, line, cond);
253 if (msg != NULL) {
254 buf += wxT(": ");
255 buf += msg;
256 }
257 wxLogDebug(buf);
258 }
259
260 // do the normal wx assert dialog?
261 if (m_assertMode & wxPYAPP_ASSERT_DIALOG)
262 wxApp::OnAssert(file, line, cond, msg);
263 }
264 }
265 #endif
266
267 // For catching Apple Events
268 void wxPyApp::MacOpenFile(const wxString &fileName)
269 {
270 wxPyBlock_t blocked = wxPyBeginBlockThreads();
271 if (wxPyCBH_findCallback(m_myInst, "MacOpenFile")) {
272 PyObject* s = wx2PyString(fileName);
273 wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));
274 Py_DECREF(s);
275 }
276 wxPyEndBlockThreads(blocked);
277 }
278
279 void wxPyApp::MacPrintFile(const wxString &fileName)
280 {
281 wxPyBlock_t blocked = wxPyBeginBlockThreads();
282 if (wxPyCBH_findCallback(m_myInst, "MacPrintFile")) {
283 PyObject* s = wx2PyString(fileName);
284 wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));
285 Py_DECREF(s);
286 }
287 wxPyEndBlockThreads(blocked);
288 }
289
290 void wxPyApp::MacNewFile()
291 {
292 wxPyBlock_t blocked = wxPyBeginBlockThreads();
293 if (wxPyCBH_findCallback(m_myInst, "MacNewFile"))
294 wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
295 wxPyEndBlockThreads(blocked);
296 }
297
298 void wxPyApp::MacReopenApp()
299 {
300 wxPyBlock_t blocked = wxPyBeginBlockThreads();
301 if (wxPyCBH_findCallback(m_myInst, "MacReopenApp"))
302 wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
303 wxPyEndBlockThreads(blocked);
304 }
305
306
307 /*static*/
308 bool wxPyApp::GetMacSupportPCMenuShortcuts() {
309 #ifdef __WXMAC__
310 return s_macSupportPCMenuShortcuts;
311 #else
312 return 0;
313 #endif
314 }
315
316 /*static*/
317 long wxPyApp::GetMacAboutMenuItemId() {
318 #ifdef __WXMAC__
319 return s_macAboutMenuItemId;
320 #else
321 return 0;
322 #endif
323 }
324
325 /*static*/
326 long wxPyApp::GetMacPreferencesMenuItemId() {
327 #ifdef __WXMAC__
328 return s_macPreferencesMenuItemId;
329 #else
330 return 0;
331 #endif
332 }
333
334 /*static*/
335 long wxPyApp::GetMacExitMenuItemId() {
336 #ifdef __WXMAC__
337 return s_macExitMenuItemId;
338 #else
339 return 0;
340 #endif
341 }
342
343 /*static*/
344 wxString wxPyApp::GetMacHelpMenuTitleName() {
345 #ifdef __WXMAC__
346 return s_macHelpMenuTitleName;
347 #else
348 return wxEmptyString;
349 #endif
350 }
351
352 /*static*/
353 void wxPyApp::SetMacSupportPCMenuShortcuts(bool val) {
354 #ifdef __WXMAC__
355 s_macSupportPCMenuShortcuts = val;
356 #endif
357 }
358
359 /*static*/
360 void wxPyApp::SetMacAboutMenuItemId(long val) {
361 #ifdef __WXMAC__
362 s_macAboutMenuItemId = val;
363 #endif
364 }
365
366 /*static*/
367 void wxPyApp::SetMacPreferencesMenuItemId(long val) {
368 #ifdef __WXMAC__
369 s_macPreferencesMenuItemId = val;
370 #endif
371 }
372
373 /*static*/
374 void wxPyApp::SetMacExitMenuItemId(long val) {
375 #ifdef __WXMAC__
376 s_macExitMenuItemId = val;
377 #endif
378 }
379
380 /*static*/
381 void wxPyApp::SetMacHelpMenuTitleName(const wxString& val) {
382 #ifdef __WXMAC__
383 s_macHelpMenuTitleName = val;
384 #endif
385 }
386
387
388 // This finishes the initialization of wxWindows and then calls the OnInit
389 // that should be present in the derived (Python) class.
390 void wxPyApp::_BootstrapApp()
391 {
392 static bool haveInitialized = false;
393 bool result;
394 wxPyBlock_t blocked;
395 PyObject* retval = NULL;
396 PyObject* pyint = NULL;
397
398
399 // Only initialize wxWidgets once
400 if (! haveInitialized) {
401
402 // Get any command-line args passed to this program from the sys module
403 int argc = 0;
404 char** argv = NULL;
405 blocked = wxPyBeginBlockThreads();
406
407 PyObject* sysargv = PySys_GetObject("argv");
408 PyObject* executable = PySys_GetObject("executable");
409
410 if (sysargv != NULL && executable != NULL) {
411 argc = PyList_Size(sysargv) + 1;
412 argv = new char*[argc+1];
413 argv[0] = strdup(PyString_AsString(executable));
414 int x;
415 for(x=1; x<argc; x++) {
416 PyObject *pyArg = PyList_GetItem(sysargv, x-1);
417 argv[x] = strdup(PyString_AsString(pyArg));
418 }
419 argv[argc] = NULL;
420 }
421 wxPyEndBlockThreads(blocked);
422
423 // Initialize wxWidgets
424 result = wxEntryStart(argc, argv);
425 // wxApp takes ownership of the argv array, don't delete it here
426
427 blocked = wxPyBeginBlockThreads();
428 if (! result) {
429 PyErr_SetString(PyExc_SystemError,
430 "wxEntryStart failed, unable to initialize wxWidgets!"
431 #ifdef __WXGTK__
432 " (Is DISPLAY set properly?)"
433 #endif
434 );
435 goto error;
436 }
437
438 // On wxGTK the locale will be changed to match the system settings,
439 // but Python before 2.4 needs to have LC_NUMERIC set to "C" in order
440 // for the floating point conversions and such to work right.
441 #if defined(__WXGTK__) && PY_VERSION_HEX < 0x02040000
442 setlocale(LC_NUMERIC, "C");
443 #endif
444
445 // wxSystemOptions::SetOption(wxT("mac.textcontrol-use-mlte"), 1);
446
447 // The stock objects were all NULL when they were loaded into
448 // SWIG generated proxies, so re-init those now...
449 wxPy_ReinitStockObjects(3);
450
451 wxPyEndBlockThreads(blocked);
452 haveInitialized = true;
453 }
454 else {
455 this->argc = 0;
456 this->argv = NULL;
457 }
458
459
460 // It's now ok to generate exceptions for assertion errors.
461 wxPythonApp->SetStartupComplete(true);
462
463 // Call the Python wxApp's OnInit function
464 blocked = wxPyBeginBlockThreads();
465 if (wxPyCBH_findCallback(m_myInst, "OnInit")) {
466
467 PyObject* method = m_myInst.GetLastFound();
468 PyObject* argTuple = PyTuple_New(0);
469 retval = PyEval_CallObject(method, argTuple);
470 Py_DECREF(argTuple);
471 Py_DECREF(method);
472 if (retval == NULL)
473 goto error;
474
475 pyint = PyNumber_Int(retval);
476 if (! pyint) {
477 PyErr_SetString(PyExc_TypeError, "OnInit should return a boolean value");
478 goto error;
479 }
480 result = PyInt_AS_LONG(pyint);
481 }
482 else {
483 // Is it okay if there is no OnInit? Probably so...
484 result = true;
485 }
486
487 if (! result) {
488 PyErr_SetString(PyExc_SystemExit, "OnInit returned false, exiting...");
489 }
490
491 error:
492 Py_XDECREF(retval);
493 Py_XDECREF(pyint);
494
495 wxPyEndBlockThreads(blocked);
496 };
497
498 //---------------------------------------------------------------------
499 //----------------------------------------------------------------------
500
501
502 #if 0
503 static char* wxPyCopyCString(const wxChar* src)
504 {
505 wxWX2MBbuf buff = (wxWX2MBbuf)wxConvCurrent->cWX2MB(src);
506 size_t len = strlen(buff);
507 char* dest = new char[len+1];
508 strcpy(dest, buff);
509 return dest;
510 }
511
512 #if wxUSE_UNICODE
513 static char* wxPyCopyCString(const char* src) // we need a char version too
514 {
515 size_t len = strlen(src);
516 char* dest = new char[len+1];
517 strcpy(dest, src);
518 return dest;
519 }
520 #endif
521
522 static wxChar* wxPyCopyWString(const char *src)
523 {
524 //wxMB2WXbuf buff = wxConvCurrent->cMB2WX(src);
525 wxString str(src, *wxConvCurrent);
526 return copystring(str);
527 }
528
529 #if wxUSE_UNICODE
530 static wxChar* wxPyCopyWString(const wxChar *src)
531 {
532 return copystring(src);
533 }
534 #endif
535 #endif
536
537
538 inline const char* dropwx(const char* name) {
539 if (name[0] == 'w' && name[1] == 'x')
540 return name+2;
541 else
542 return name;
543 }
544
545 //----------------------------------------------------------------------
546
547 // This function is called when the wx._core_ module is imported to do some
548 // initial setup. (Before there is a wxApp object.) The rest happens in
549 // wxPyApp::_BootstrapApp
550 void __wxPyPreStart(PyObject* moduleDict)
551 {
552
553 #ifdef __WXMSW__
554 // wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF
555 // | _CRTDBG_CHECK_ALWAYS_DF
556 // | _CRTDBG_DELAY_FREE_MEM_DF
557 // );
558 #endif
559
560 #ifdef WXP_WITH_THREAD
561 #if wxPyUSE_GIL_STATE
562 PyEval_InitThreads();
563 #else
564 PyEval_InitThreads();
565 wxPyTStates = new wxPyThreadStateArray;
566 wxPyTMutex = new wxMutex;
567
568 // Save the current (main) thread state in our array
569 PyThreadState* tstate = wxPyBeginAllowThreads();
570 wxPyEndAllowThreads(tstate);
571 #endif
572 #endif
573
574 // Ensure that the build options in the DLL (or whatever) match this build
575 wxApp::CheckBuildOptions(WX_BUILD_OPTIONS_SIGNATURE, "wxPython");
576
577 // Init the stock objects to a non-NULL value so SWIG doesn't create them as None
578 wxPy_ReinitStockObjects(1);
579
580 wxInitAllImageHandlers();
581 }
582
583
584
585 void __wxPyCleanup() {
586 wxPyDoingCleanup = true;
587 if (wxPyDoCleanup) {
588 wxPyDoCleanup = false;
589 wxEntryCleanup();
590 }
591 #ifdef WXP_WITH_THREAD
592 #if !wxPyUSE_GIL_STATE
593 delete wxPyTMutex;
594 wxPyTMutex = NULL;
595 wxPyTStates->Empty();
596 delete wxPyTStates;
597 wxPyTStates = NULL;
598 #endif
599 #endif
600 }
601
602
603 // Save a reference to the dictionary of the wx._core module, and inject
604 // a few more things into it.
605 PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args)
606 {
607
608 if (!PyArg_ParseTuple(args, "O", &wxPython_dict))
609 return NULL;
610
611 if (!PyDict_Check(wxPython_dict)) {
612 PyErr_SetString(PyExc_TypeError,
613 "_wxPySetDictionary must have dictionary object!");
614 return NULL;
615 }
616
617 if (! wxPyPtrTypeMap)
618 wxPyPtrTypeMap = PyDict_New();
619 PyDict_SetItemString(wxPython_dict, "__wxPyPtrTypeMap", wxPyPtrTypeMap);
620
621 // Create an exception object to use for wxASSERTions
622 wxPyAssertionError = PyErr_NewException("wx._core.PyAssertionError",
623 PyExc_AssertionError, NULL);
624 PyDict_SetItemString(wxPython_dict, "PyAssertionError", wxPyAssertionError);
625
626 // Create an exception object to use when the app object hasn't been created yet
627 wxPyNoAppError = PyErr_NewException("wx._core.PyNoAppError",
628 PyExc_RuntimeError, NULL);
629 PyDict_SetItemString(wxPython_dict, "PyNoAppError", wxPyNoAppError);
630
631
632
633 #ifdef __WXMOTIF__
634 #define wxPlatform "__WXMOTIF__"
635 #define wxPlatName "wxMotif"
636 #endif
637 #ifdef __WXX11__
638 #define wxPlatform "__WXX11__"
639 #define wxPlatName "wxX11"
640 #endif
641 #ifdef __WXGTK__
642 #define wxPlatform "__WXGTK__"
643 #define wxPlatName "wxGTK"
644 #endif
645 #ifdef __WXMSW__
646 #define wxPlatform "__WXMSW__"
647 #define wxPlatName "wxMSW"
648 #endif
649 #ifdef __WXMAC__
650 #define wxPlatform "__WXMAC__"
651 #define wxPlatName "wxMac"
652 #endif
653
654 #ifdef __WXDEBUG__
655 int wxdebug = 1;
656 #else
657 int wxdebug = 0;
658 #endif
659
660 // These should be deprecated in favor of the PlatformInfo tuple built below...
661 PyDict_SetItemString(wxPython_dict, "Platform", PyString_FromString(wxPlatform));
662 PyDict_SetItemString(wxPython_dict, "USE_UNICODE", PyInt_FromLong(wxUSE_UNICODE));
663 PyDict_SetItemString(wxPython_dict, "__WXDEBUG__", PyInt_FromLong(wxdebug));
664
665 // Make a tuple of strings that gives more info about the platform.
666 PyObject* PlatInfo = PyList_New(0);
667 PyObject* obj;
668
669 #define _AddInfoString(st) \
670 obj = PyString_FromString(st); \
671 PyList_Append(PlatInfo, obj); \
672 Py_DECREF(obj)
673
674 _AddInfoString(wxPlatform);
675 _AddInfoString(wxPlatName);
676 #if wxUSE_UNICODE
677 _AddInfoString("unicode");
678 #else
679 _AddInfoString("ansi");
680 #endif
681 #ifdef __WXGTK__
682 #ifdef __WXGTK20__
683 _AddInfoString("gtk2");
684 #else
685 _AddInfoString("gtk1");
686 #endif
687 #endif
688 #ifdef __WXDEBUG__
689 _AddInfoString("wx-assertions-on");
690 #else
691 _AddInfoString("wx-assertions-off");
692 #endif
693
694 #undef _AddInfoString
695
696 PyObject* PlatInfoTuple = PyList_AsTuple(PlatInfo);
697 Py_DECREF(PlatInfo);
698 PyDict_SetItemString(wxPython_dict, "PlatformInfo", PlatInfoTuple);
699
700 RETURN_NONE();
701 }
702
703
704 //---------------------------------------------------------------------------
705
706 // Python's PyInstance_Check does not return True for instances of new-style
707 // classes. This should get close enough for both new and old classes but I
708 // should re-evaluate the need for doing instance checks...
709 bool wxPyInstance_Check(PyObject* obj) {
710 return PyObject_HasAttrString(obj, "__class__") != 0;
711 }
712
713
714 // This one checks if the object is an instance of a SWIG proxy class (it has
715 // a .this attribute)
716 bool wxPySwigInstance_Check(PyObject* obj) {
717 return PyObject_HasAttrString(obj, "this") != 0;
718 }
719
720 //---------------------------------------------------------------------------
721
722 // The stock objects are no longer created when the wx._core_ module is
723 // imported, but only after the app object has been created. The
724 // wxPy_ReinitStockObjects function will be called 3 times to pass the stock
725 // objects though various stages of evolution:
726 //
727 // pass 1: Set all the pointers to a non-NULL value so the Python proxy
728 // object will be created (otherwise SWIG will just use None.)
729 //
730 // pass 2: After the module has been imported and the python proxys have
731 // been created, then set the __class__ to be _wxPyUnbornObject so
732 // it will catch any access to the object and will raise an exception.
733 //
734 // pass 3: Finally, from BootstrapApp patch things up so the stock objects
735 // can be used.
736
737
738 PyObject* __wxPyFixStockObjects(PyObject* /* self */, PyObject* args)
739 {
740 wxPy_ReinitStockObjects(2);
741 RETURN_NONE();
742 }
743
744
745 static void rsoPass2(const char* name)
746 {
747 static PyObject* unbornObjectClass = NULL;
748 PyObject* obj;
749
750 if (unbornObjectClass == NULL) {
751 unbornObjectClass = PyDict_GetItemString(wxPython_dict, "_wxPyUnbornObject");
752 Py_INCREF(unbornObjectClass);
753 }
754
755 // Find the object instance
756 obj = PyDict_GetItemString(wxPython_dict, (char*)dropwx(name));
757 wxCHECK_RET(obj != NULL, wxT("Unable to find stock object"));
758 wxCHECK_RET(wxPySwigInstance_Check(obj), wxT("Not a swig instance"));
759
760 // Change its class
761 PyObject_SetAttrString(obj, "__class__", unbornObjectClass);
762
763 }
764
765 static void rsoPass3(const char* name, const char* classname, void* ptr)
766 {
767 PyObject* obj;
768 PyObject* classobj;
769 PyObject* ptrobj;
770
771 // Find the object instance
772 obj = PyDict_GetItemString(wxPython_dict, (char*)dropwx(name));
773 wxCHECK_RET(obj != NULL, wxT("Unable to find stock object"));
774 wxCHECK_RET(wxPySwigInstance_Check(obj), wxT("Not a swig instance"));
775
776 // Find the class object and put it back in the instance
777 classobj = PyDict_GetItemString(wxPython_dict, (char*)dropwx(classname));
778 wxCHECK_RET(classobj != NULL, wxT("Unable to find stock class object"));
779 PyObject_SetAttrString(obj, "__class__", classobj);
780
781 // Rebuild the .this swigified pointer with the new value of the C++ pointer
782 ptrobj = wxPyMakeSwigPtr(ptr, wxString(classname, *wxConvCurrent));
783 PyObject_SetAttrString(obj, "this", ptrobj);
784 Py_DECREF(ptrobj);
785 }
786
787
788
789 void wxPy_ReinitStockObjects(int pass)
790 {
791
792 // If there is already an App object then wxPython is probably embedded in
793 // a wx C++ application, so there is no need to do all this.
794 static bool embedded = false;
795 if ((pass == 1 || pass == 2) && wxTheApp) {
796 embedded = true;
797 return;
798 }
799 if (pass == 3 && embedded)
800 return;
801
802
803 #define REINITOBJ(name, classname) \
804 if (pass == 1) { name = (classname*)0xC0C0C0C0; } \
805 else if (pass == 2) { rsoPass2(#name); } \
806 else if (pass == 3) { rsoPass3(#name, #classname, (void*)name); }
807
808
809 #define REINITOBJ2(name, classname) \
810 if (pass == 1) { } \
811 else if (pass == 2) { rsoPass2(#name); } \
812 else if (pass == 3) { rsoPass3(#name, #classname, (void*)&name); }
813
814
815 REINITOBJ(wxNORMAL_FONT, wxFont);
816 REINITOBJ(wxSMALL_FONT, wxFont);
817 REINITOBJ(wxITALIC_FONT, wxFont);
818 REINITOBJ(wxSWISS_FONT, wxFont);
819
820 REINITOBJ(wxRED_PEN, wxPen);
821 REINITOBJ(wxCYAN_PEN, wxPen);
822 REINITOBJ(wxGREEN_PEN, wxPen);
823 REINITOBJ(wxBLACK_PEN, wxPen);
824 REINITOBJ(wxWHITE_PEN, wxPen);
825 REINITOBJ(wxTRANSPARENT_PEN, wxPen);
826 REINITOBJ(wxBLACK_DASHED_PEN, wxPen);
827 REINITOBJ(wxGREY_PEN, wxPen);
828 REINITOBJ(wxMEDIUM_GREY_PEN, wxPen);
829 REINITOBJ(wxLIGHT_GREY_PEN, wxPen);
830
831 REINITOBJ(wxBLUE_BRUSH, wxBrush);
832 REINITOBJ(wxGREEN_BRUSH, wxBrush);
833 REINITOBJ(wxWHITE_BRUSH, wxBrush);
834 REINITOBJ(wxBLACK_BRUSH, wxBrush);
835 REINITOBJ(wxTRANSPARENT_BRUSH, wxBrush);
836 REINITOBJ(wxCYAN_BRUSH, wxBrush);
837 REINITOBJ(wxRED_BRUSH, wxBrush);
838 REINITOBJ(wxGREY_BRUSH, wxBrush);
839 REINITOBJ(wxMEDIUM_GREY_BRUSH, wxBrush);
840 REINITOBJ(wxLIGHT_GREY_BRUSH, wxBrush);
841
842 REINITOBJ(wxBLACK, wxColour);
843 REINITOBJ(wxWHITE, wxColour);
844 REINITOBJ(wxRED, wxColour);
845 REINITOBJ(wxBLUE, wxColour);
846 REINITOBJ(wxGREEN, wxColour);
847 REINITOBJ(wxCYAN, wxColour);
848 REINITOBJ(wxLIGHT_GREY, wxColour);
849
850 REINITOBJ(wxSTANDARD_CURSOR, wxCursor);
851 REINITOBJ(wxHOURGLASS_CURSOR, wxCursor);
852 REINITOBJ(wxCROSS_CURSOR, wxCursor);
853
854 REINITOBJ2(wxNullBitmap, wxBitmap);
855 REINITOBJ2(wxNullIcon, wxIcon);
856 REINITOBJ2(wxNullCursor, wxCursor);
857 REINITOBJ2(wxNullPen, wxPen);
858 REINITOBJ2(wxNullBrush, wxBrush);
859 REINITOBJ2(wxNullPalette, wxPalette);
860 REINITOBJ2(wxNullFont, wxFont);
861 REINITOBJ2(wxNullColour, wxColour);
862
863 REINITOBJ(wxTheFontList, wxFontList);
864 REINITOBJ(wxThePenList, wxPenList);
865 REINITOBJ(wxTheBrushList, wxBrushList);
866 REINITOBJ(wxTheColourDatabase, wxColourDatabase);
867
868
869 REINITOBJ2(wxDefaultValidator, wxValidator);
870 REINITOBJ2(wxNullImage, wxImage);
871 REINITOBJ2(wxNullAcceleratorTable, wxAcceleratorTable);
872
873 #undef REINITOBJ
874 #undef REINITOBJ2
875 }
876
877 //---------------------------------------------------------------------------
878
879 // Check for existence of a wxApp, setting an exception if there isn't one.
880 // This doesn't need to aquire the GIL because it should only be called from
881 // an %exception before the lock is released.
882
883 bool wxPyCheckForApp() {
884 if (wxTheApp != NULL)
885 return true;
886 else {
887 PyErr_SetString(wxPyNoAppError, "The wx.App object must be created first!");
888 return false;
889 }
890 }
891
892 //---------------------------------------------------------------------------
893
894 void wxPyUserData_dtor(wxPyUserData* self) {
895 if (! wxPyDoingCleanup) {
896 wxPyBlock_t blocked = wxPyBeginBlockThreads();
897 Py_DECREF(self->m_obj);
898 self->m_obj = NULL;
899 wxPyEndBlockThreads(blocked);
900 }
901 }
902
903
904 void wxPyClientData_dtor(wxPyClientData* self) {
905 if (! wxPyDoingCleanup) { // Don't do it during cleanup as Python
906 // may have already garbage collected the object...
907 if (self->m_incRef) {
908 wxPyBlock_t blocked = wxPyBeginBlockThreads();
909 Py_DECREF(self->m_obj);
910 wxPyEndBlockThreads(blocked);
911 }
912 self->m_obj = NULL;
913 }
914 }
915
916
917
918 // This is called when an OOR controled object is being destroyed. Although
919 // the C++ object is going away there is no way to force the Python object
920 // (and all references to it) to die too. This causes problems (crashes) in
921 // wxPython when a python shadow object attempts to call a C++ method using
922 // the now bogus pointer... So to try and prevent this we'll do a little black
923 // magic and change the class of the python instance to a class that will
924 // raise an exception for any attempt to call methods with it. See
925 // _wxPyDeadObject in _core_ex.py for the implementation of this class.
926 void wxPyOORClientData_dtor(wxPyOORClientData* self) {
927
928 static PyObject* deadObjectClass = NULL;
929
930 wxPyBlock_t blocked = wxPyBeginBlockThreads();
931 if (deadObjectClass == NULL) {
932 deadObjectClass = PyDict_GetItemString(wxPython_dict, "_wxPyDeadObject");
933 // TODO: Can not wxASSERT here because inside a wxPyBeginBlock Threads,
934 // will lead to a deadlock when it tries to aquire the GIL again.
935 //wxASSERT_MSG(deadObjectClass != NULL, wxT("Can't get _wxPyDeadObject class!"));
936 Py_INCREF(deadObjectClass);
937 }
938
939
940 // Only if there is more than one reference to the object and we are
941 // holding the OOR reference:
942 if ( !wxPyDoingCleanup && self->m_obj->ob_refcnt > 1 && self->m_incRef) {
943 // bool isInstance = wxPyInstance_Check(self->m_obj);
944 // TODO same here
945 //wxASSERT_MSG(isInstance, wxT("m_obj not an instance!?!?!"));
946
947 // Call __del__, if there is one.
948 PyObject* func = PyObject_GetAttrString(self->m_obj, "__del__");
949 if (func) {
950 PyObject* rv = PyObject_CallMethod(self->m_obj, "__del__", NULL);
951 Py_XDECREF(rv);
952 Py_DECREF(func);
953 }
954 if (PyErr_Occurred())
955 PyErr_Clear(); // just ignore it for now
956
957
958 PyObject* dict = PyObject_GetAttrString(self->m_obj, "__dict__");
959 if (dict) {
960 // Clear the instance's dictionary
961 PyDict_Clear(dict);
962
963 // put the name of the old class into the instance, and then reset the
964 // class to be the dead class.
965 PyObject* klass = PyObject_GetAttrString(self->m_obj, "__class__");
966 PyObject* name = PyObject_GetAttrString(klass, "__name__");
967 PyDict_SetItemString(dict, "_name", name);
968 PyObject_SetAttrString(self->m_obj, "__class__", deadObjectClass);
969 //Py_INCREF(deadObjectClass);
970 Py_DECREF(klass);
971 Py_DECREF(name);
972 }
973 }
974
975 // m_obj is DECREF'd in the base class dtor...
976 wxPyEndBlockThreads(blocked);
977 }
978
979
980 //---------------------------------------------------------------------------
981 // Stuff used by OOR to find the right wxPython class type to return and to
982 // build it.
983
984
985 // The pointer type map is used when the "pointer" type name generated by SWIG
986 // is not the same as the shadow class name, for example wxPyTreeCtrl
987 // vs. wxTreeCtrl. It needs to be referenced in Python as well as from C++,
988 // so we'll just make it a Python dictionary in the wx module's namespace.
989 // (See __wxSetDictionary)
990 void wxPyPtrTypeMap_Add(const char* commonName, const char* ptrName) {
991 if (! wxPyPtrTypeMap)
992 wxPyPtrTypeMap = PyDict_New();
993 PyDict_SetItemString(wxPyPtrTypeMap,
994 (char*)commonName,
995 PyString_FromString((char*)ptrName));
996 }
997
998
999
1000
1001 PyObject* wxPyMake_wxObject(wxObject* source, bool setThisOwn, bool checkEvtHandler) {
1002 PyObject* target = NULL;
1003 bool isEvtHandler = false;
1004 bool isSizer = false;
1005
1006 if (source) {
1007 // If it's derived from wxEvtHandler then there may
1008 // already be a pointer to a Python object that we can use
1009 // in the OOR data.
1010 if (checkEvtHandler && wxIsKindOf(source, wxEvtHandler)) {
1011 isEvtHandler = true;
1012 wxEvtHandler* eh = (wxEvtHandler*)source;
1013 wxPyOORClientData* data = (wxPyOORClientData*)eh->GetClientObject();
1014 if (data) {
1015 target = data->m_obj;
1016 if (target)
1017 Py_INCREF(target);
1018 }
1019 }
1020
1021 // Also check for wxSizer
1022 if (!target && wxIsKindOf(source, wxSizer)) {
1023 isSizer = true;
1024 wxSizer* sz = (wxSizer*)source;
1025 wxPyOORClientData* data = (wxPyOORClientData*)sz->GetClientObject();
1026 if (data) {
1027 target = data->m_obj;
1028 if (target)
1029 Py_INCREF(target);
1030 }
1031 }
1032
1033 if (! target) {
1034 // Otherwise make it the old fashioned way by making a new shadow
1035 // object and putting this pointer in it. Look up the class
1036 // heirarchy until we find a class name that is located in the
1037 // python module.
1038 const wxClassInfo* info = source->GetClassInfo();
1039 wxString name = info->GetClassName();
1040 bool exists = wxPyCheckSwigType(name);
1041 while (info && !exists) {
1042 info = info->GetBaseClass1();
1043 name = info->GetClassName();
1044 exists = wxPyCheckSwigType(name);
1045 }
1046 if (info) {
1047 target = wxPyConstructObject((void*)source, name, setThisOwn);
1048 if (target && isEvtHandler)
1049 ((wxEvtHandler*)source)->SetClientObject(new wxPyOORClientData(target));
1050 if (target && isSizer)
1051 ((wxSizer*)source)->SetClientObject(new wxPyOORClientData(target));
1052 } else {
1053 wxString msg(wxT("wxPython class not found for "));
1054 msg += source->GetClassInfo()->GetClassName();
1055 PyErr_SetString(PyExc_NameError, msg.mbc_str());
1056 target = NULL;
1057 }
1058 }
1059 } else { // source was NULL so return None.
1060 Py_INCREF(Py_None); target = Py_None;
1061 }
1062 return target;
1063 }
1064
1065
1066 PyObject* wxPyMake_wxSizer(wxSizer* source, bool setThisOwn) {
1067
1068 return wxPyMake_wxObject(source, setThisOwn);
1069 }
1070
1071
1072 //---------------------------------------------------------------------------
1073
1074
1075 #ifdef WXP_WITH_THREAD
1076 #if !wxPyUSE_GIL_STATE
1077
1078 inline
1079 unsigned long wxPyGetCurrentThreadId() {
1080 return wxThread::GetCurrentId();
1081 }
1082
1083 static wxPyThreadState gs_shutdownTState;
1084
1085 static
1086 wxPyThreadState* wxPyGetThreadState() {
1087 if (wxPyTMutex == NULL) // Python is shutting down...
1088 return &gs_shutdownTState;
1089
1090 unsigned long ctid = wxPyGetCurrentThreadId();
1091 wxPyThreadState* tstate = NULL;
1092
1093 wxPyTMutex->Lock();
1094 for(size_t i=0; i < wxPyTStates->GetCount(); i++) {
1095 wxPyThreadState& info = wxPyTStates->Item(i);
1096 if (info.tid == ctid) {
1097 tstate = &info;
1098 break;
1099 }
1100 }
1101 wxPyTMutex->Unlock();
1102 wxASSERT_MSG(tstate, wxT("PyThreadState should not be NULL!"));
1103 return tstate;
1104 }
1105
1106
1107 static
1108 void wxPySaveThreadState(PyThreadState* tstate) {
1109 if (wxPyTMutex == NULL) { // Python is shutting down, assume a single thread...
1110 gs_shutdownTState.tstate = tstate;
1111 return;
1112 }
1113 unsigned long ctid = wxPyGetCurrentThreadId();
1114 wxPyTMutex->Lock();
1115 for(size_t i=0; i < wxPyTStates->GetCount(); i++) {
1116 wxPyThreadState& info = wxPyTStates->Item(i);
1117 if (info.tid == ctid) {
1118 #if 0
1119 if (info.tstate != tstate)
1120 wxLogMessage("*** tstate mismatch!???");
1121 #endif
1122 info.tstate = tstate; // allow for transient tstates
1123 // Normally it will never change, but apparently COM callbacks
1124 // (i.e. ActiveX controls) will (incorrectly IMHO) use a transient
1125 // tstate which will then be garbage the next time we try to use
1126 // it...
1127
1128 wxPyTMutex->Unlock();
1129 return;
1130 }
1131 }
1132 // not found, so add it...
1133 wxPyTStates->Add(new wxPyThreadState(ctid, tstate));
1134 wxPyTMutex->Unlock();
1135 }
1136
1137 #endif
1138 #endif
1139
1140
1141
1142 // Calls from Python to wxWindows code are wrapped in calls to these
1143 // functions:
1144
1145 PyThreadState* wxPyBeginAllowThreads() {
1146 #ifdef WXP_WITH_THREAD
1147 PyThreadState* saved = PyEval_SaveThread(); // Py_BEGIN_ALLOW_THREADS;
1148 #if !wxPyUSE_GIL_STATE
1149 wxPySaveThreadState(saved);
1150 #endif
1151 return saved;
1152 #else
1153 return NULL;
1154 #endif
1155 }
1156
1157 void wxPyEndAllowThreads(PyThreadState* saved) {
1158 #ifdef WXP_WITH_THREAD
1159 PyEval_RestoreThread(saved); // Py_END_ALLOW_THREADS;
1160 #endif
1161 }
1162
1163
1164
1165 // Calls from wxWindows back to Python code, or even any PyObject
1166 // manipulations, PyDECREF's and etc. are wrapped in calls to these functions:
1167
1168 wxPyBlock_t wxPyBeginBlockThreads() {
1169 #ifdef WXP_WITH_THREAD
1170 if (! Py_IsInitialized()) {
1171 return (wxPyBlock_t)0;
1172 }
1173 #if wxPyUSE_GIL_STATE
1174 PyGILState_STATE state = PyGILState_Ensure();
1175 return state;
1176 #else
1177 PyThreadState *current = _PyThreadState_Current;
1178
1179 // Only block if there wasn't already a tstate, or if the current one is
1180 // not the one we are wanting to change to. This should prevent deadlock
1181 // if there are nested calls to wxPyBeginBlockThreads
1182 wxPyBlock_t blocked = false;
1183 wxPyThreadState* tstate = wxPyGetThreadState();
1184 if (current != tstate->tstate) {
1185 PyEval_RestoreThread(tstate->tstate);
1186 blocked = true;
1187 }
1188 return blocked;
1189 #endif
1190 #else
1191 return (wxPyBlock_t)0;
1192 #endif
1193 }
1194
1195
1196 void wxPyEndBlockThreads(wxPyBlock_t blocked) {
1197 #ifdef WXP_WITH_THREAD
1198 if (! Py_IsInitialized()) {
1199 return;
1200 }
1201 #if wxPyUSE_GIL_STATE
1202 PyGILState_Release(blocked);
1203 #else
1204 // Only unblock if we blocked in the last call to wxPyBeginBlockThreads.
1205 // The value of blocked passed in needs to be the same as that returned
1206 // from wxPyBeginBlockThreads at the same nesting level.
1207 if ( blocked ) {
1208 PyEval_SaveThread();
1209 }
1210 #endif
1211 #endif
1212 }
1213
1214
1215 //---------------------------------------------------------------------------
1216 // wxPyInputStream and wxPyCBInputStream methods
1217
1218
1219 void wxPyInputStream::close() {
1220 /* do nothing for now */
1221 }
1222
1223 void wxPyInputStream::flush() {
1224 /* do nothing for now */
1225 }
1226
1227 bool wxPyInputStream::eof() {
1228 if (m_wxis)
1229 return m_wxis->Eof();
1230 else
1231 return true;
1232 }
1233
1234 wxPyInputStream::~wxPyInputStream() {
1235 if (m_wxis)
1236 delete m_wxis;
1237 }
1238
1239
1240
1241
1242 PyObject* wxPyInputStream::read(int size) {
1243 PyObject* obj = NULL;
1244 wxMemoryBuffer buf;
1245 const int BUFSIZE = 1024;
1246
1247 // check if we have a real wxInputStream to work with
1248 if (!m_wxis) {
1249 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1250 PyErr_SetString(PyExc_IOError, "no valid C-wxInputStream");
1251 wxPyEndBlockThreads(blocked);
1252 return NULL;
1253 }
1254
1255 if (size < 0) {
1256 // read while bytes are available on the stream
1257 while ( m_wxis->CanRead() ) {
1258 m_wxis->Read(buf.GetAppendBuf(BUFSIZE), BUFSIZE);
1259 buf.UngetAppendBuf(m_wxis->LastRead());
1260 }
1261
1262 } else { // Read only size number of characters
1263 m_wxis->Read(buf.GetWriteBuf(size), size);
1264 buf.UngetWriteBuf(m_wxis->LastRead());
1265 }
1266
1267 // error check
1268 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1269 wxStreamError err = m_wxis->GetLastError();
1270 if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
1271 PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
1272 }
1273 else {
1274 // We use only strings for the streams, not unicode
1275 obj = PyString_FromStringAndSize(buf, buf.GetDataLen());
1276 }
1277 wxPyEndBlockThreads(blocked);
1278 return obj;
1279 }
1280
1281
1282 PyObject* wxPyInputStream::readline(int size) {
1283 PyObject* obj = NULL;
1284 wxMemoryBuffer buf;
1285 int i;
1286 char ch;
1287
1288 // check if we have a real wxInputStream to work with
1289 if (!m_wxis) {
1290 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1291 PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream");
1292 wxPyEndBlockThreads(blocked);
1293 return NULL;
1294 }
1295
1296 // read until \n or byte limit reached
1297 for (i=ch=0; (ch != '\n') && (m_wxis->CanRead()) && ((size < 0) || (i < size)); i++) {
1298 ch = m_wxis->GetC();
1299 buf.AppendByte(ch);
1300 }
1301
1302 // errorcheck
1303 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1304 wxStreamError err = m_wxis->GetLastError();
1305 if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
1306 PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
1307 }
1308 else {
1309 // We use only strings for the streams, not unicode
1310 obj = PyString_FromStringAndSize((char*)buf.GetData(), buf.GetDataLen());
1311 }
1312 wxPyEndBlockThreads(blocked);
1313 return obj;
1314 }
1315
1316
1317 PyObject* wxPyInputStream::readlines(int sizehint) {
1318 PyObject* pylist;
1319
1320 // check if we have a real wxInputStream to work with
1321 if (!m_wxis) {
1322 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1323 PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream");
1324 wxPyEndBlockThreads(blocked);
1325 return NULL;
1326 }
1327
1328 // init list
1329 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1330 pylist = PyList_New(0);
1331 wxPyEndBlockThreads(blocked);
1332
1333 if (!pylist) {
1334 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1335 PyErr_NoMemory();
1336 wxPyEndBlockThreads(blocked);
1337 return NULL;
1338 }
1339
1340 // read sizehint bytes or until EOF
1341 int i;
1342 for (i=0; (m_wxis->CanRead()) && ((sizehint < 0) || (i < sizehint));) {
1343 PyObject* s = this->readline();
1344 if (s == NULL) {
1345 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1346 Py_DECREF(pylist);
1347 wxPyEndBlockThreads(blocked);
1348 return NULL;
1349 }
1350 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1351 PyList_Append(pylist, s);
1352 i += PyString_Size(s);
1353 wxPyEndBlockThreads(blocked);
1354 }
1355
1356 // error check
1357 wxStreamError err = m_wxis->GetLastError();
1358 if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
1359 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1360 Py_DECREF(pylist);
1361 PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
1362 wxPyEndBlockThreads(blocked);
1363 return NULL;
1364 }
1365
1366 return pylist;
1367 }
1368
1369
1370 void wxPyInputStream::seek(int offset, int whence) {
1371 if (m_wxis)
1372 m_wxis->SeekI(offset, wxSeekMode(whence));
1373 }
1374
1375 int wxPyInputStream::tell(){
1376 if (m_wxis)
1377 return m_wxis->TellI();
1378 else return 0;
1379 }
1380
1381
1382
1383
1384 wxPyCBInputStream::wxPyCBInputStream(PyObject *r, PyObject *s, PyObject *t, bool block)
1385 : wxInputStream(), m_read(r), m_seek(s), m_tell(t), m_block(block)
1386 {}
1387
1388 wxPyCBInputStream::wxPyCBInputStream(const wxPyCBInputStream& other)
1389 {
1390 m_read = other.m_read;
1391 m_seek = other.m_seek;
1392 m_tell = other.m_tell;
1393 m_block = other.m_block;
1394 Py_INCREF(m_read);
1395 Py_INCREF(m_seek);
1396 Py_INCREF(m_tell);
1397 }
1398
1399
1400 wxPyCBInputStream::~wxPyCBInputStream() {
1401 wxPyBlock_t blocked;
1402 if (m_block) blocked = wxPyBeginBlockThreads();
1403 Py_XDECREF(m_read);
1404 Py_XDECREF(m_seek);
1405 Py_XDECREF(m_tell);
1406 if (m_block) wxPyEndBlockThreads(blocked);
1407 }
1408
1409
1410 wxPyCBInputStream* wxPyCBInputStream::create(PyObject *py, bool block) {
1411 wxPyBlock_t blocked;
1412 if (block) blocked = wxPyBeginBlockThreads();
1413
1414 PyObject* read = getMethod(py, "read");
1415 PyObject* seek = getMethod(py, "seek");
1416 PyObject* tell = getMethod(py, "tell");
1417
1418 if (!read) {
1419 PyErr_SetString(PyExc_TypeError, "Not a file-like object");
1420 Py_XDECREF(read);
1421 Py_XDECREF(seek);
1422 Py_XDECREF(tell);
1423 if (block) wxPyEndBlockThreads(blocked);
1424 return NULL;
1425 }
1426
1427 if (block) wxPyEndBlockThreads(blocked);
1428 return new wxPyCBInputStream(read, seek, tell, block);
1429 }
1430
1431
1432 wxPyCBInputStream* wxPyCBInputStream_create(PyObject *py, bool block) {
1433 return wxPyCBInputStream::create(py, block);
1434 }
1435
1436 wxPyCBInputStream* wxPyCBInputStream_copy(wxPyCBInputStream* other) {
1437 return new wxPyCBInputStream(*other);
1438 }
1439
1440 PyObject* wxPyCBInputStream::getMethod(PyObject* py, char* name) {
1441 if (!PyObject_HasAttrString(py, name))
1442 return NULL;
1443 PyObject* o = PyObject_GetAttrString(py, name);
1444 if (!PyMethod_Check(o) && !PyCFunction_Check(o)) {
1445 Py_DECREF(o);
1446 return NULL;
1447 }
1448 return o;
1449 }
1450
1451
1452 wxFileOffset wxPyCBInputStream::GetLength() const {
1453 wxPyCBInputStream* self = (wxPyCBInputStream*)this; // cast off const
1454 if (m_seek && m_tell) {
1455 wxFileOffset temp = self->OnSysTell();
1456 wxFileOffset ret = self->OnSysSeek(0, wxFromEnd);
1457 self->OnSysSeek(temp, wxFromStart);
1458 return ret;
1459 }
1460 else
1461 return wxInvalidOffset;
1462 }
1463
1464
1465 size_t wxPyCBInputStream::OnSysRead(void *buffer, size_t bufsize) {
1466 if (bufsize == 0)
1467 return 0;
1468
1469 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1470 PyObject* arglist = Py_BuildValue("(i)", bufsize);
1471 PyObject* result = PyEval_CallObject(m_read, arglist);
1472 Py_DECREF(arglist);
1473
1474 size_t o = 0;
1475 if ((result != NULL) && PyString_Check(result)) {
1476 o = PyString_Size(result);
1477 if (o == 0)
1478 m_lasterror = wxSTREAM_EOF;
1479 if (o > bufsize)
1480 o = bufsize;
1481 memcpy((char*)buffer, PyString_AsString(result), o); // strings only, not unicode...
1482 Py_DECREF(result);
1483
1484 }
1485 else
1486 m_lasterror = wxSTREAM_READ_ERROR;
1487 wxPyEndBlockThreads(blocked);
1488 return o;
1489 }
1490
1491 size_t wxPyCBInputStream::OnSysWrite(const void *buffer, size_t bufsize) {
1492 m_lasterror = wxSTREAM_WRITE_ERROR;
1493 return 0;
1494 }
1495
1496
1497 wxFileOffset wxPyCBInputStream::OnSysSeek(wxFileOffset off, wxSeekMode mode) {
1498 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1499 PyObject* arglist = PyTuple_New(2);
1500
1501 if (sizeof(wxFileOffset) > sizeof(long))
1502 // wxFileOffset is a 64-bit value...
1503 PyTuple_SET_ITEM(arglist, 0, PyLong_FromLongLong(off));
1504 else
1505 PyTuple_SET_ITEM(arglist, 0, PyInt_FromLong(off));
1506
1507 PyTuple_SET_ITEM(arglist, 1, PyInt_FromLong(mode));
1508
1509
1510 PyObject* result = PyEval_CallObject(m_seek, arglist);
1511 Py_DECREF(arglist);
1512 Py_XDECREF(result);
1513 wxPyEndBlockThreads(blocked);
1514 return OnSysTell();
1515 }
1516
1517
1518 wxFileOffset wxPyCBInputStream::OnSysTell() const {
1519 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1520 PyObject* arglist = Py_BuildValue("()");
1521 PyObject* result = PyEval_CallObject(m_tell, arglist);
1522 Py_DECREF(arglist);
1523 wxFileOffset o = 0;
1524 if (result != NULL) {
1525 if (PyLong_Check(result))
1526 o = PyLong_AsLongLong(result);
1527 else
1528 o = PyInt_AsLong(result);
1529 Py_DECREF(result);
1530 };
1531 wxPyEndBlockThreads(blocked);
1532 return o;
1533 }
1534
1535 //----------------------------------------------------------------------
1536
1537 IMPLEMENT_ABSTRACT_CLASS(wxPyCallback, wxObject);
1538
1539 wxPyCallback::wxPyCallback(PyObject* func) {
1540 m_func = func;
1541 Py_INCREF(m_func);
1542 }
1543
1544 wxPyCallback::wxPyCallback(const wxPyCallback& other) {
1545 m_func = other.m_func;
1546 Py_INCREF(m_func);
1547 }
1548
1549 wxPyCallback::~wxPyCallback() {
1550 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1551 Py_DECREF(m_func);
1552 wxPyEndBlockThreads(blocked);
1553 }
1554
1555
1556 #define wxPy_PRECALLINIT "_preCallInit"
1557 #define wxPy_POSTCALLCLEANUP "_postCallCleanup"
1558
1559 // This function is used for all events destined for Python event handlers.
1560 void wxPyCallback::EventThunker(wxEvent& event) {
1561 wxPyCallback* cb = (wxPyCallback*)event.m_callbackUserData;
1562 PyObject* func = cb->m_func;
1563 PyObject* result;
1564 PyObject* arg;
1565 PyObject* tuple;
1566 bool checkSkip = false;
1567
1568 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1569 wxString className = event.GetClassInfo()->GetClassName();
1570
1571 // If the event is one of these types then pass the original
1572 // event object instead of the one passed to us.
1573 if ( className == wxT("wxPyEvent") ) {
1574 arg = ((wxPyEvent*)&event)->GetSelf();
1575 checkSkip = ((wxPyEvent*)&event)->GetCloned();
1576 }
1577 else if ( className == wxT("wxPyCommandEvent") ) {
1578 arg = ((wxPyCommandEvent*)&event)->GetSelf();
1579 checkSkip = ((wxPyCommandEvent*)&event)->GetCloned();
1580 }
1581 else {
1582 arg = wxPyConstructObject((void*)&event, className);
1583 }
1584
1585 if (!arg) {
1586 PyErr_Print();
1587 } else {
1588 // "intern" the pre/post method names to speed up the HasAttr
1589 static PyObject* s_preName = NULL;
1590 static PyObject* s_postName = NULL;
1591 if (s_preName == NULL) {
1592 s_preName = PyString_FromString(wxPy_PRECALLINIT);
1593 s_postName = PyString_FromString(wxPy_POSTCALLCLEANUP);
1594 }
1595
1596 // Check if the event object needs some preinitialization
1597 if (PyObject_HasAttr(arg, s_preName)) {
1598 result = PyObject_CallMethodObjArgs(arg, s_preName, arg, NULL);
1599 if ( result ) {
1600 Py_DECREF(result); // result is ignored, but we still need to decref it
1601 PyErr_Clear(); // Just in case...
1602 } else {
1603 PyErr_Print();
1604 }
1605 }
1606
1607 // Call the event handler, passing the event object
1608 tuple = PyTuple_New(1);
1609 PyTuple_SET_ITEM(tuple, 0, arg); // steals ref to arg
1610 result = PyEval_CallObject(func, tuple);
1611 if ( result ) {
1612 Py_DECREF(result); // result is ignored, but we still need to decref it
1613 PyErr_Clear(); // Just in case...
1614 } else {
1615 PyErr_Print();
1616 }
1617
1618 // Check if the event object needs some post cleanup
1619 if (PyObject_HasAttr(arg, s_postName)) {
1620 result = PyObject_CallMethodObjArgs(arg, s_postName, arg, NULL);
1621 if ( result ) {
1622 Py_DECREF(result); // result is ignored, but we still need to decref it
1623 PyErr_Clear(); // Just in case...
1624 } else {
1625 PyErr_Print();
1626 }
1627 }
1628
1629 if ( checkSkip ) {
1630 // if the event object was one of our special types and
1631 // it had been cloned, then we need to extract the Skipped
1632 // value from the original and set it in the clone.
1633 result = PyObject_CallMethod(arg, "GetSkipped", "");
1634 if ( result ) {
1635 event.Skip(PyInt_AsLong(result));
1636 Py_DECREF(result);
1637 } else {
1638 PyErr_Print();
1639 }
1640 }
1641 Py_DECREF(tuple);
1642 }
1643 wxPyEndBlockThreads(blocked);
1644 }
1645
1646
1647 //----------------------------------------------------------------------
1648
1649 wxPyCallbackHelper::wxPyCallbackHelper(const wxPyCallbackHelper& other) {
1650 m_lastFound = NULL;
1651 m_self = other.m_self;
1652 m_class = other.m_class;
1653 if (m_self) {
1654 Py_INCREF(m_self);
1655 Py_INCREF(m_class);
1656 }
1657 }
1658
1659
1660 void wxPyCallbackHelper::setSelf(PyObject* self, PyObject* klass, int incref) {
1661 m_self = self;
1662 m_class = klass;
1663 m_incRef = incref;
1664 if (incref) {
1665 Py_INCREF(m_self);
1666 Py_INCREF(m_class);
1667 }
1668 }
1669
1670
1671 #if PYTHON_API_VERSION >= 1011
1672
1673 // Prior to Python 2.2 PyMethod_GetClass returned the class object
1674 // in which the method was defined. Starting with 2.2 it returns
1675 // "class that asked for the method" which seems totally bogus to me
1676 // but apprently it fixes some obscure problem waiting to happen in
1677 // Python. Since the API was not documented Guido and the gang felt
1678 // safe in changing it. Needless to say that totally screwed up the
1679 // logic below in wxPyCallbackHelper::findCallback, hence this icky
1680 // code to find the class where the method is actually defined...
1681
1682 static
1683 PyObject* PyFindClassWithAttr(PyObject *klass, PyObject *name)
1684 {
1685 int i, n;
1686
1687 if (PyType_Check(klass)) { // new style classes
1688 // This code is borrowed/adapted from _PyType_Lookup in typeobject.c
1689 PyTypeObject* type = (PyTypeObject*)klass;
1690 PyObject *mro, *res, *base, *dict;
1691 /* Look in tp_dict of types in MRO */
1692 mro = type->tp_mro;
1693 assert(PyTuple_Check(mro));
1694 n = PyTuple_GET_SIZE(mro);
1695 for (i = 0; i < n; i++) {
1696 base = PyTuple_GET_ITEM(mro, i);
1697 if (PyClass_Check(base))
1698 dict = ((PyClassObject *)base)->cl_dict;
1699 else {
1700 assert(PyType_Check(base));
1701 dict = ((PyTypeObject *)base)->tp_dict;
1702 }
1703 assert(dict && PyDict_Check(dict));
1704 res = PyDict_GetItem(dict, name);
1705 if (res != NULL)
1706 return base;
1707 }
1708 return NULL;
1709 }
1710
1711 else if (PyClass_Check(klass)) { // old style classes
1712 // This code is borrowed/adapted from class_lookup in classobject.c
1713 PyClassObject* cp = (PyClassObject*)klass;
1714 PyObject *value = PyDict_GetItem(cp->cl_dict, name);
1715 if (value != NULL) {
1716 return (PyObject*)cp;
1717 }
1718 n = PyTuple_Size(cp->cl_bases);
1719 for (i = 0; i < n; i++) {
1720 PyObject* base = PyTuple_GetItem(cp->cl_bases, i);
1721 PyObject *v = PyFindClassWithAttr(base, name);
1722 if (v != NULL)
1723 return v;
1724 }
1725 return NULL;
1726 }
1727 return NULL;
1728 }
1729 #endif
1730
1731
1732 static
1733 PyObject* PyMethod_GetDefiningClass(PyObject* method, const char* name)
1734 {
1735 PyObject* mgc = PyMethod_GET_CLASS(method);
1736
1737 #if PYTHON_API_VERSION <= 1010 // prior to Python 2.2, the easy way
1738 return mgc;
1739 #else // 2.2 and after, the hard way...
1740
1741 PyObject* nameo = PyString_FromString(name);
1742 PyObject* klass = PyFindClassWithAttr(mgc, nameo);
1743 Py_DECREF(nameo);
1744 return klass;
1745 #endif
1746 }
1747
1748
1749
1750 bool wxPyCallbackHelper::findCallback(const char* name) const {
1751 wxPyCallbackHelper* self = (wxPyCallbackHelper*)this; // cast away const
1752 self->m_lastFound = NULL;
1753
1754 // If the object (m_self) has an attibute of the given name...
1755 if (m_self && PyObject_HasAttrString(m_self, (char*)name)) {
1756 PyObject *method, *klass;
1757 method = PyObject_GetAttrString(m_self, (char*)name);
1758
1759 // ...and if that attribute is a method, and if that method's class is
1760 // not from a base class...
1761 if (PyMethod_Check(method) &&
1762 (klass = PyMethod_GetDefiningClass(method, (char*)name)) != NULL &&
1763 ((klass == m_class) || PyObject_IsSubclass(klass, m_class))) {
1764
1765 // ...then we'll save a pointer to the method so callCallback can call it.
1766 self->m_lastFound = method;
1767 }
1768 else {
1769 Py_DECREF(method);
1770 }
1771 }
1772 return m_lastFound != NULL;
1773 }
1774
1775
1776 int wxPyCallbackHelper::callCallback(PyObject* argTuple) const {
1777 PyObject* result;
1778 int retval = false;
1779
1780 result = callCallbackObj(argTuple);
1781 if (result) { // Assumes an integer return type...
1782 retval = PyInt_AsLong(result);
1783 Py_DECREF(result);
1784 PyErr_Clear(); // forget about it if it's not...
1785 }
1786 return retval;
1787 }
1788
1789 // Invoke the Python callable object, returning the raw PyObject return
1790 // value. Caller should DECREF the return value and also manage the GIL.
1791 PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) const {
1792 PyObject* result;
1793
1794 // Save a copy of the pointer in case the callback generates another
1795 // callback. In that case m_lastFound will have a different value when
1796 // it gets back here...
1797 PyObject* method = m_lastFound;
1798
1799 result = PyEval_CallObject(method, argTuple);
1800 Py_DECREF(argTuple);
1801 Py_DECREF(method);
1802 if (!result) {
1803 PyErr_Print();
1804 }
1805 return result;
1806 }
1807
1808
1809 void wxPyCBH_setCallbackInfo(wxPyCallbackHelper& cbh, PyObject* self, PyObject* klass, int incref) {
1810 cbh.setSelf(self, klass, incref);
1811 }
1812
1813 bool wxPyCBH_findCallback(const wxPyCallbackHelper& cbh, const char* name) {
1814 return cbh.findCallback(name);
1815 }
1816
1817 int wxPyCBH_callCallback(const wxPyCallbackHelper& cbh, PyObject* argTuple) {
1818 return cbh.callCallback(argTuple);
1819 }
1820
1821 PyObject* wxPyCBH_callCallbackObj(const wxPyCallbackHelper& cbh, PyObject* argTuple) {
1822 return cbh.callCallbackObj(argTuple);
1823 }
1824
1825
1826 void wxPyCBH_delete(wxPyCallbackHelper* cbh) {
1827 if (cbh->m_incRef) {
1828 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1829 Py_XDECREF(cbh->m_self);
1830 Py_XDECREF(cbh->m_class);
1831 wxPyEndBlockThreads(blocked);
1832 }
1833 }
1834
1835 //---------------------------------------------------------------------------
1836 //---------------------------------------------------------------------------
1837 // These event classes can be derived from in Python and passed through the event
1838 // system without losing anything. They do this by keeping a reference to
1839 // themselves and some special case handling in wxPyCallback::EventThunker.
1840
1841
1842 wxPyEvtSelfRef::wxPyEvtSelfRef() {
1843 //m_self = Py_None; // **** We don't do normal ref counting to prevent
1844 //Py_INCREF(m_self); // circular loops...
1845 m_cloned = false;
1846 }
1847
1848 wxPyEvtSelfRef::~wxPyEvtSelfRef() {
1849 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1850 if (m_cloned)
1851 Py_DECREF(m_self);
1852 wxPyEndBlockThreads(blocked);
1853 }
1854
1855 void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) {
1856 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1857 if (m_cloned)
1858 Py_DECREF(m_self);
1859 m_self = self;
1860 if (clone) {
1861 Py_INCREF(m_self);
1862 m_cloned = true;
1863 }
1864 wxPyEndBlockThreads(blocked);
1865 }
1866
1867 PyObject* wxPyEvtSelfRef::GetSelf() const {
1868 Py_INCREF(m_self);
1869 return m_self;
1870 }
1871
1872
1873 IMPLEMENT_ABSTRACT_CLASS(wxPyEvent, wxEvent);
1874 IMPLEMENT_ABSTRACT_CLASS(wxPyCommandEvent, wxCommandEvent);
1875
1876
1877 wxPyEvent::wxPyEvent(int winid, wxEventType commandType)
1878 : wxEvent(winid, commandType) {
1879 }
1880
1881
1882 wxPyEvent::wxPyEvent(const wxPyEvent& evt)
1883 : wxEvent(evt)
1884 {
1885 SetSelf(evt.m_self, true);
1886 }
1887
1888
1889 wxPyEvent::~wxPyEvent() {
1890 }
1891
1892
1893 wxPyCommandEvent::wxPyCommandEvent(wxEventType commandType, int id)
1894 : wxCommandEvent(commandType, id) {
1895 }
1896
1897
1898 wxPyCommandEvent::wxPyCommandEvent(const wxPyCommandEvent& evt)
1899 : wxCommandEvent(evt)
1900 {
1901 SetSelf(evt.m_self, true);
1902 }
1903
1904
1905 wxPyCommandEvent::~wxPyCommandEvent() {
1906 }
1907
1908
1909
1910
1911
1912 //---------------------------------------------------------------------------
1913 //---------------------------------------------------------------------------
1914 // Convert a wxList to a Python List, only works for lists of wxObjects
1915
1916 PyObject* wxPy_ConvertList(wxListBase* listbase) {
1917 wxList* list = (wxList*)listbase; // this is probably bad...
1918 PyObject* pyList;
1919 PyObject* pyObj;
1920 wxObject* wxObj;
1921 wxNode* node = list->GetFirst();
1922
1923 wxPyBlock_t blocked = wxPyBeginBlockThreads();
1924 pyList = PyList_New(0);
1925 while (node) {
1926 wxObj = node->GetData();
1927 pyObj = wxPyMake_wxObject(wxObj,false);
1928 PyList_Append(pyList, pyObj);
1929 node = node->GetNext();
1930 }
1931 wxPyEndBlockThreads(blocked);
1932 return pyList;
1933 }
1934
1935 //----------------------------------------------------------------------
1936
1937 long wxPyGetWinHandle(wxWindow* win) {
1938
1939 #ifdef __WXMSW__
1940 return (long)win->GetHandle();
1941 #endif
1942
1943 #if defined(__WXGTK__) || defined(__WXX11)
1944 return (long)GetXWindow(win);
1945 #endif
1946
1947 #ifdef __WXMAC__
1948 //return (long)MAC_WXHWND(win->MacGetTopLevelWindowRef());
1949 return (long)win->GetHandle();
1950 #endif
1951
1952 return 0;
1953 }
1954
1955 //----------------------------------------------------------------------
1956 // Some helper functions for typemaps in my_typemaps.i, so they won't be
1957 // included in every file over and over again...
1958
1959 wxString* wxString_in_helper(PyObject* source) {
1960 wxString* target = NULL;
1961
1962 if (!PyString_Check(source) && !PyUnicode_Check(source)) {
1963 PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
1964 return NULL;
1965 }
1966 #if wxUSE_UNICODE
1967 PyObject* uni = source;
1968 if (PyString_Check(source)) {
1969 uni = PyUnicode_FromEncodedObject(source, wxPyDefaultEncoding, "strict");
1970 if (PyErr_Occurred()) return NULL;
1971 }
1972 target = new wxString();
1973 size_t len = PyUnicode_GET_SIZE(uni);
1974 if (len) {
1975 PyUnicode_AsWideChar((PyUnicodeObject*)uni, target->GetWriteBuf(len), len);
1976 target->UngetWriteBuf(len);
1977 }
1978
1979 if (PyString_Check(source))
1980 Py_DECREF(uni);
1981 #else
1982 // Convert to a string object if it isn't already, then to wxString
1983 PyObject* str = source;
1984 if (PyUnicode_Check(source)) {
1985 str = PyUnicode_AsEncodedString(source, wxPyDefaultEncoding, "strict");
1986 if (PyErr_Occurred()) return NULL;
1987 }
1988 else if (!PyString_Check(source)) {
1989 str = PyObject_Str(source);
1990 if (PyErr_Occurred()) return NULL;
1991 }
1992 char* tmpPtr; int tmpSize;
1993 PyString_AsStringAndSize(str, &tmpPtr, &tmpSize);
1994 target = new wxString(tmpPtr, tmpSize);
1995
1996 if (!PyString_Check(source))
1997 Py_DECREF(str);
1998 #endif // wxUSE_UNICODE
1999
2000 return target;
2001 }
2002
2003
2004 // Similar to above except doesn't use "new" and doesn't set an exception
2005 wxString Py2wxString(PyObject* source)
2006 {
2007 wxString target;
2008
2009 #if wxUSE_UNICODE
2010 // Convert to a unicode object, if not already, then to a wxString
2011 PyObject* uni = source;
2012 if (!PyUnicode_Check(source)) {
2013 uni = PyUnicode_FromEncodedObject(source, wxPyDefaultEncoding, "strict");
2014 if (PyErr_Occurred()) return wxEmptyString; // TODO: should we PyErr_Clear?
2015 }
2016 size_t len = PyUnicode_GET_SIZE(uni);
2017 if (len) {
2018 PyUnicode_AsWideChar((PyUnicodeObject*)uni, target.GetWriteBuf(len), len);
2019 target.UngetWriteBuf();
2020 }
2021
2022 if (!PyUnicode_Check(source))
2023 Py_DECREF(uni);
2024 #else
2025 // Convert to a string object if it isn't already, then to wxString
2026 PyObject* str = source;
2027 if (PyUnicode_Check(source)) {
2028 str = PyUnicode_AsEncodedString(source, wxPyDefaultEncoding, "strict");
2029 if (PyErr_Occurred()) return wxEmptyString; // TODO: should we PyErr_Clear?
2030 }
2031 else if (!PyString_Check(source)) {
2032 str = PyObject_Str(source);
2033 if (PyErr_Occurred()) return wxEmptyString; // TODO: should we PyErr_Clear?
2034 }
2035 char* tmpPtr; int tmpSize;
2036 PyString_AsStringAndSize(str, &tmpPtr, &tmpSize);
2037 target = wxString(tmpPtr, tmpSize);
2038
2039 if (!PyString_Check(source))
2040 Py_DECREF(str);
2041 #endif // wxUSE_UNICODE
2042
2043 return target;
2044 }
2045
2046
2047 // Make either a Python String or Unicode object, depending on build mode
2048 PyObject* wx2PyString(const wxString& src)
2049 {
2050 PyObject* str;
2051 #if wxUSE_UNICODE
2052 str = PyUnicode_FromWideChar(src.c_str(), src.Len());
2053 #else
2054 str = PyString_FromStringAndSize(src.c_str(), src.Len());
2055 #endif
2056 return str;
2057 }
2058
2059
2060
2061 void wxSetDefaultPyEncoding(const char* encoding)
2062 {
2063 strncpy(wxPyDefaultEncoding, encoding, DEFAULTENCODING_SIZE);
2064 }
2065
2066 const char* wxGetDefaultPyEncoding()
2067 {
2068 return wxPyDefaultEncoding;
2069 }
2070
2071 //----------------------------------------------------------------------
2072
2073
2074 byte* byte_LIST_helper(PyObject* source) {
2075 if (!PyList_Check(source)) {
2076 PyErr_SetString(PyExc_TypeError, "Expected a list object.");
2077 return NULL;
2078 }
2079 int count = PyList_Size(source);
2080 byte* temp = new byte[count];
2081 if (! temp) {
2082 PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
2083 return NULL;
2084 }
2085 for (int x=0; x<count; x++) {
2086 PyObject* o = PyList_GetItem(source, x);
2087 if (! PyInt_Check(o)) {
2088 PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
2089 return NULL;
2090 }
2091 temp[x] = (byte)PyInt_AsLong(o);
2092 }
2093 return temp;
2094 }
2095
2096
2097 int* int_LIST_helper(PyObject* source) {
2098 if (!PyList_Check(source)) {
2099 PyErr_SetString(PyExc_TypeError, "Expected a list object.");
2100 return NULL;
2101 }
2102 int count = PyList_Size(source);
2103 int* temp = new int[count];
2104 if (! temp) {
2105 PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
2106 return NULL;
2107 }
2108 for (int x=0; x<count; x++) {
2109 PyObject* o = PyList_GetItem(source, x);
2110 if (! PyInt_Check(o)) {
2111 PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
2112 return NULL;
2113 }
2114 temp[x] = PyInt_AsLong(o);
2115 }
2116 return temp;
2117 }
2118
2119
2120 long* long_LIST_helper(PyObject* source) {
2121 if (!PyList_Check(source)) {
2122 PyErr_SetString(PyExc_TypeError, "Expected a list object.");
2123 return NULL;
2124 }
2125 int count = PyList_Size(source);
2126 long* temp = new long[count];
2127 if (! temp) {
2128 PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
2129 return NULL;
2130 }
2131 for (int x=0; x<count; x++) {
2132 PyObject* o = PyList_GetItem(source, x);
2133 if (! PyInt_Check(o)) {
2134 PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
2135 return NULL;
2136 }
2137 temp[x] = PyInt_AsLong(o);
2138 }
2139 return temp;
2140 }
2141
2142
2143 char** string_LIST_helper(PyObject* source) {
2144 if (!PyList_Check(source)) {
2145 PyErr_SetString(PyExc_TypeError, "Expected a list object.");
2146 return NULL;
2147 }
2148 int count = PyList_Size(source);
2149 char** temp = new char*[count];
2150 if (! temp) {
2151 PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
2152 return NULL;
2153 }
2154 for (int x=0; x<count; x++) {
2155 PyObject* o = PyList_GetItem(source, x);
2156 if (! PyString_Check(o)) {
2157 PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
2158 return NULL;
2159 }
2160 temp[x] = PyString_AsString(o);
2161 }
2162 return temp;
2163 }
2164
2165 //--------------------------------
2166 // Part of patch from Tim Hochberg
2167 static inline bool wxPointFromObjects(PyObject* o1, PyObject* o2, wxPoint* point) {
2168 if (PyInt_Check(o1) && PyInt_Check(o2)) {
2169 point->x = PyInt_AS_LONG(o1);
2170 point->y = PyInt_AS_LONG(o2);
2171 return true;
2172 }
2173 if (PyFloat_Check(o1) && PyFloat_Check(o2)) {
2174 point->x = (int)PyFloat_AS_DOUBLE(o1);
2175 point->y = (int)PyFloat_AS_DOUBLE(o2);
2176 return true;
2177 }
2178 if (wxPySwigInstance_Check(o1) || wxPySwigInstance_Check(o2)) { // TODO: Why???
2179 // Disallow instances because they can cause havok
2180 return false;
2181 }
2182 if (PyNumber_Check(o1) && PyNumber_Check(o2)) {
2183 // I believe this excludes instances, so this should be safe without INCREFFing o1 and o2
2184 point->x = PyInt_AsLong(o1);
2185 point->y = PyInt_AsLong(o2);
2186 return true;
2187 }
2188 return false;
2189 }
2190
2191
2192 wxPoint* wxPoint_LIST_helper(PyObject* source, int *count) {
2193 // Putting all of the declarations here allows
2194 // us to put the error handling all in one place.
2195 int x;
2196 wxPoint* temp;
2197 PyObject *o, *o1, *o2;
2198 bool isFast = PyList_Check(source) || PyTuple_Check(source);
2199
2200 if (!PySequence_Check(source)) {
2201 goto error0;
2202 }
2203
2204 // The length of the sequence is returned in count.
2205 *count = PySequence_Length(source);
2206 if (*count < 0) {
2207 goto error0;
2208 }
2209
2210 temp = new wxPoint[*count];
2211 if (!temp) {
2212 PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
2213 return NULL;
2214 }
2215 for (x=0; x<*count; x++) {
2216 // Get an item: try fast way first.
2217 if (isFast) {
2218 o = PySequence_Fast_GET_ITEM(source, x);
2219 }
2220 else {
2221 o = PySequence_GetItem(source, x);
2222 if (o == NULL) {
2223 goto error1;
2224 }
2225 }
2226
2227 // Convert o to wxPoint.
2228 if ((PyTuple_Check(o) && PyTuple_GET_SIZE(o) == 2) ||
2229 (PyList_Check(o) && PyList_GET_SIZE(o) == 2)) {
2230 o1 = PySequence_Fast_GET_ITEM(o, 0);
2231 o2 = PySequence_Fast_GET_ITEM(o, 1);
2232 if (!wxPointFromObjects(o1, o2, &temp[x])) {
2233 goto error2;
2234 }
2235 }
2236 else if (wxPySwigInstance_Check(o)) {
2237 wxPoint* pt;
2238 if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPoint"))) {
2239 goto error2;
2240 }
2241 temp[x] = *pt;
2242 }
2243 else if (PySequence_Check(o) && PySequence_Length(o) == 2) {
2244 o1 = PySequence_GetItem(o, 0);
2245 o2 = PySequence_GetItem(o, 1);
2246 if (!wxPointFromObjects(o1, o2, &temp[x])) {
2247 goto error3;
2248 }
2249 Py_DECREF(o1);
2250 Py_DECREF(o2);
2251 }
2252 else {
2253 goto error2;
2254 }
2255 // Clean up.
2256 if (!isFast)
2257 Py_DECREF(o);
2258 }
2259 return temp;
2260
2261 error3:
2262 Py_DECREF(o1);
2263 Py_DECREF(o2);
2264 error2:
2265 if (!isFast)
2266 Py_DECREF(o);
2267 error1:
2268 delete [] temp;
2269 error0:
2270 PyErr_SetString(PyExc_TypeError, "Expected a sequence of length-2 sequences or wxPoints.");
2271 return NULL;
2272 }
2273 // end of patch
2274 //------------------------------
2275
2276
2277 wxBitmap** wxBitmap_LIST_helper(PyObject* source) {
2278 if (!PyList_Check(source)) {
2279 PyErr_SetString(PyExc_TypeError, "Expected a list object.");
2280 return NULL;
2281 }
2282 int count = PyList_Size(source);
2283 wxBitmap** temp = new wxBitmap*[count];
2284 if (! temp) {
2285 PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
2286 return NULL;
2287 }
2288 for (int x=0; x<count; x++) {
2289 PyObject* o = PyList_GetItem(source, x);
2290 if (wxPySwigInstance_Check(o)) {
2291 wxBitmap* pt;
2292 if (! wxPyConvertSwigPtr(o, (void **) &pt, wxT("wxBitmap"))) {
2293 PyErr_SetString(PyExc_TypeError,"Expected wxBitmap.");
2294 return NULL;
2295 }
2296 temp[x] = pt;
2297 }
2298 else {
2299 PyErr_SetString(PyExc_TypeError, "Expected a list of wxBitmaps.");
2300 return NULL;
2301 }
2302 }
2303 return temp;
2304 }
2305
2306
2307
2308 wxString* wxString_LIST_helper(PyObject* source) {
2309 if (!PyList_Check(source)) {
2310 PyErr_SetString(PyExc_TypeError, "Expected a list object.");
2311 return NULL;
2312 }
2313 int count = PyList_Size(source);
2314 wxString* temp = new wxString[count];
2315 if (! temp) {
2316 PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
2317 return NULL;
2318 }
2319 for (int x=0; x<count; x++) {
2320 PyObject* o = PyList_GetItem(source, x);
2321 #if PYTHON_API_VERSION >= 1009
2322 if (! PyString_Check(o) && ! PyUnicode_Check(o)) {
2323 PyErr_SetString(PyExc_TypeError, "Expected a list of string or unicode objects.");
2324 return NULL;
2325 }
2326 #else
2327 if (! PyString_Check(o)) {
2328 PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
2329 return NULL;
2330 }
2331 #endif
2332
2333 wxString* pStr = wxString_in_helper(o);
2334 temp[x] = *pStr;
2335 delete pStr;
2336 }
2337 return temp;
2338 }
2339
2340
2341 wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
2342 if (!PyList_Check(source)) {
2343 PyErr_SetString(PyExc_TypeError, "Expected a list object.");
2344 return NULL;
2345 }
2346 int count = PyList_Size(source);
2347 wxAcceleratorEntry* temp = new wxAcceleratorEntry[count];
2348 if (! temp) {
2349 PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
2350 return NULL;
2351 }
2352 for (int x=0; x<count; x++) {
2353 PyObject* o = PyList_GetItem(source, x);
2354 if (wxPySwigInstance_Check(o)) {
2355 wxAcceleratorEntry* ae;
2356 if (! wxPyConvertSwigPtr(o, (void **) &ae, wxT("wxAcceleratorEntry"))) {
2357 PyErr_SetString(PyExc_TypeError,"Expected wxAcceleratorEntry.");
2358 return NULL;
2359 }
2360 temp[x] = *ae;
2361 }
2362 else if (PyTuple_Check(o)) {
2363 PyObject* o1 = PyTuple_GetItem(o, 0);
2364 PyObject* o2 = PyTuple_GetItem(o, 1);
2365 PyObject* o3 = PyTuple_GetItem(o, 2);
2366 temp[x].Set(PyInt_AsLong(o1), PyInt_AsLong(o2), PyInt_AsLong(o3));
2367 }
2368 else {
2369 PyErr_SetString(PyExc_TypeError, "Expected a list of 3-tuples or wxAcceleratorEntry objects.");
2370 return NULL;
2371 }
2372 }
2373 return temp;
2374 }
2375
2376
2377 wxPen** wxPen_LIST_helper(PyObject* source) {
2378 if (!PyList_Check(source)) {
2379 PyErr_SetString(PyExc_TypeError, "Expected a list object.");
2380 return NULL;
2381 }
2382 int count = PyList_Size(source);
2383 wxPen** temp = new wxPen*[count];
2384 if (!temp) {
2385 PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
2386 return NULL;
2387 }
2388 for (int x=0; x<count; x++) {
2389 PyObject* o = PyList_GetItem(source, x);
2390 if (wxPySwigInstance_Check(o)) {
2391 wxPen* pt;
2392 if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPen"))) {
2393 delete temp;
2394 PyErr_SetString(PyExc_TypeError,"Expected wxPen.");
2395 return NULL;
2396 }
2397 temp[x] = pt;
2398 }
2399 else {
2400 delete temp;
2401 PyErr_SetString(PyExc_TypeError, "Expected a list of wxPens.");
2402 return NULL;
2403 }
2404 }
2405 return temp;
2406 }
2407
2408
2409 bool wxPy2int_seq_helper(PyObject* source, int* i1, int* i2) {
2410 bool isFast = PyList_Check(source) || PyTuple_Check(source);
2411 PyObject *o1, *o2;
2412
2413 if (!PySequence_Check(source) || PySequence_Length(source) != 2)
2414 return false;
2415
2416 if (isFast) {
2417 o1 = PySequence_Fast_GET_ITEM(source, 0);
2418 o2 = PySequence_Fast_GET_ITEM(source, 1);
2419 }
2420 else {
2421 o1 = PySequence_GetItem(source, 0);
2422 o2 = PySequence_GetItem(source, 1);
2423 }
2424
2425 *i1 = PyInt_AsLong(o1);
2426 *i2 = PyInt_AsLong(o2);
2427
2428 if (! isFast) {
2429 Py_DECREF(o1);
2430 Py_DECREF(o2);
2431 }
2432 return true;
2433 }
2434
2435
2436 bool wxPy4int_seq_helper(PyObject* source, int* i1, int* i2, int* i3, int* i4) {
2437 bool isFast = PyList_Check(source) || PyTuple_Check(source);
2438 PyObject *o1, *o2, *o3, *o4;
2439
2440 if (!PySequence_Check(source) || PySequence_Length(source) != 4)
2441 return false;
2442
2443 if (isFast) {
2444 o1 = PySequence_Fast_GET_ITEM(source, 0);
2445 o2 = PySequence_Fast_GET_ITEM(source, 1);
2446 o3 = PySequence_Fast_GET_ITEM(source, 2);
2447 o4 = PySequence_Fast_GET_ITEM(source, 3);
2448 }
2449 else {
2450 o1 = PySequence_GetItem(source, 0);
2451 o2 = PySequence_GetItem(source, 1);
2452 o3 = PySequence_GetItem(source, 2);
2453 o4 = PySequence_GetItem(source, 3);
2454 }
2455
2456 *i1 = PyInt_AsLong(o1);
2457 *i2 = PyInt_AsLong(o2);
2458 *i3 = PyInt_AsLong(o3);
2459 *i4 = PyInt_AsLong(o4);
2460
2461 if (! isFast) {
2462 Py_DECREF(o1);
2463 Py_DECREF(o2);
2464 Py_DECREF(o3);
2465 Py_DECREF(o4);
2466 }
2467 return true;
2468 }
2469
2470
2471 //----------------------------------------------------------------------
2472
2473 bool wxPySimple_typecheck(PyObject* source, const wxChar* classname, int seqLen)
2474 {
2475 void* ptr;
2476
2477 if (wxPySwigInstance_Check(source) &&
2478 wxPyConvertSwigPtr(source, (void **)&ptr, classname))
2479 return true;
2480
2481 PyErr_Clear();
2482 if (PySequence_Check(source) && PySequence_Length(source) == seqLen)
2483 return true;
2484
2485 return false;
2486 }
2487
2488 bool wxSize_helper(PyObject* source, wxSize** obj)
2489 {
2490 if (source == Py_None) {
2491 **obj = wxSize(-1,-1);
2492 return true;
2493 }
2494 return wxPyTwoIntItem_helper(source, obj, wxT("wxSize"));
2495 }
2496
2497
2498 bool wxPoint_helper(PyObject* source, wxPoint** obj)
2499 {
2500 if (source == Py_None) {
2501 **obj = wxPoint(-1,-1);
2502 return true;
2503 }
2504 return wxPyTwoIntItem_helper(source, obj, wxT("wxPoint"));
2505 }
2506
2507
2508
2509 bool wxRealPoint_helper(PyObject* source, wxRealPoint** obj) {
2510
2511 if (source == Py_None) {
2512 **obj = wxRealPoint(-1,-1);
2513 return true;
2514 }
2515
2516 // If source is an object instance then it may already be the right type
2517 if (wxPySwigInstance_Check(source)) {
2518 wxRealPoint* ptr;
2519 if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxRealPoint")))
2520 goto error;
2521 *obj = ptr;
2522 return true;
2523 }
2524 // otherwise a 2-tuple of floats is expected
2525 else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
2526 PyObject* o1 = PySequence_GetItem(source, 0);
2527 PyObject* o2 = PySequence_GetItem(source, 1);
2528 if (!PyNumber_Check(o1) || !PyNumber_Check(o2)) {
2529 Py_DECREF(o1);
2530 Py_DECREF(o2);
2531 goto error;
2532 }
2533 **obj = wxRealPoint(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2));
2534 Py_DECREF(o1);
2535 Py_DECREF(o2);
2536 return true;
2537 }
2538
2539 error:
2540 PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wxRealPoint object.");
2541 return false;
2542 }
2543
2544
2545
2546 bool wxRect_helper(PyObject* source, wxRect** obj) {
2547
2548 if (source == Py_None) {
2549 **obj = wxRect(-1,-1,-1,-1);
2550 return true;
2551 }
2552
2553 // If source is an object instance then it may already be the right type
2554 if (wxPySwigInstance_Check(source)) {
2555 wxRect* ptr;
2556 if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxRect")))
2557 goto error;
2558 *obj = ptr;
2559 return true;
2560 }
2561 // otherwise a 4-tuple of integers is expected
2562 else if (PySequence_Check(source) && PyObject_Length(source) == 4) {
2563 PyObject* o1 = PySequence_GetItem(source, 0);
2564 PyObject* o2 = PySequence_GetItem(source, 1);
2565 PyObject* o3 = PySequence_GetItem(source, 2);
2566 PyObject* o4 = PySequence_GetItem(source, 3);
2567 if (!PyNumber_Check(o1) || !PyNumber_Check(o2) ||
2568 !PyNumber_Check(o3) || !PyNumber_Check(o4)) {
2569 Py_DECREF(o1);
2570 Py_DECREF(o2);
2571 Py_DECREF(o3);
2572 Py_DECREF(o4);
2573 goto error;
2574 }
2575 **obj = wxRect(PyInt_AsLong(o1), PyInt_AsLong(o2),
2576 PyInt_AsLong(o3), PyInt_AsLong(o4));
2577 Py_DECREF(o1);
2578 Py_DECREF(o2);
2579 Py_DECREF(o3);
2580 Py_DECREF(o4);
2581 return true;
2582 }
2583
2584 error:
2585 PyErr_SetString(PyExc_TypeError, "Expected a 4-tuple of integers or a wxRect object.");
2586 return false;
2587 }
2588
2589
2590
2591 bool wxColour_helper(PyObject* source, wxColour** obj) {
2592
2593 if (source == Py_None) {
2594 **obj = wxNullColour;
2595 return true;
2596 }
2597
2598 // If source is an object instance then it may already be the right type
2599 if (wxPySwigInstance_Check(source)) {
2600 wxColour* ptr;
2601 if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxColour")))
2602 goto error;
2603 *obj = ptr;
2604 return true;
2605 }
2606 // otherwise check for a string
2607 else if (PyString_Check(source) || PyUnicode_Check(source)) {
2608 wxString spec = Py2wxString(source);
2609 if (spec.GetChar(0) == '#' && spec.Length() == 7) { // It's #RRGGBB
2610 long red, green, blue;
2611 red = green = blue = 0;
2612 spec.Mid(1,2).ToLong(&red, 16);
2613 spec.Mid(3,2).ToLong(&green, 16);
2614 spec.Mid(5,2).ToLong(&blue, 16);
2615
2616 **obj = wxColour(red, green, blue);
2617 return true;
2618 }
2619 else { // it's a colour name
2620 **obj = wxColour(spec);
2621 return true;
2622 }
2623 }
2624 // last chance: 3-tuple of integers is expected
2625 else if (PySequence_Check(source) && PyObject_Length(source) == 3) {
2626 PyObject* o1 = PySequence_GetItem(source, 0);
2627 PyObject* o2 = PySequence_GetItem(source, 1);
2628 PyObject* o3 = PySequence_GetItem(source, 2);
2629 if (!PyNumber_Check(o1) || !PyNumber_Check(o2) || !PyNumber_Check(o3)) {
2630 Py_DECREF(o1);
2631 Py_DECREF(o2);
2632 Py_DECREF(o3);
2633 goto error;
2634 }
2635 **obj = wxColour(PyInt_AsLong(o1), PyInt_AsLong(o2), PyInt_AsLong(o3));
2636 Py_DECREF(o1);
2637 Py_DECREF(o2);
2638 Py_DECREF(o3);
2639 return true;
2640 }
2641
2642 error:
2643 PyErr_SetString(PyExc_TypeError,
2644 "Expected a wxColour object or a string containing a colour name or '#RRGGBB'.");
2645 return false;
2646 }
2647
2648
2649 bool wxColour_typecheck(PyObject* source) {
2650
2651 if (wxPySimple_typecheck(source, wxT("wxColour"), 3))
2652 return true;
2653
2654 if (PyString_Check(source) || PyUnicode_Check(source))
2655 return true;
2656
2657 return false;
2658 }
2659
2660
2661
2662 bool wxPoint2D_helper(PyObject* source, wxPoint2D** obj) {
2663
2664 if (source == Py_None) {
2665 **obj = wxPoint2D(-1,-1);
2666 return true;
2667 }
2668
2669 // If source is an object instance then it may already be the right type
2670 if (wxPySwigInstance_Check(source)) {
2671 wxPoint2D* ptr;
2672 if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxPoint2D")))
2673 goto error;
2674 *obj = ptr;
2675 return true;
2676 }
2677 // otherwise a length-2 sequence of floats is expected
2678 if (PySequence_Check(source) && PySequence_Length(source) == 2) {
2679 PyObject* o1 = PySequence_GetItem(source, 0);
2680 PyObject* o2 = PySequence_GetItem(source, 1);
2681 // This should really check for floats, not numbers -- but that would break code.
2682 if (!PyNumber_Check(o1) || !PyNumber_Check(o2)) {
2683 Py_DECREF(o1);
2684 Py_DECREF(o2);
2685 goto error;
2686 }
2687 **obj = wxPoint2D(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2));
2688 Py_DECREF(o1);
2689 Py_DECREF(o2);
2690 return true;
2691 }
2692 error:
2693 PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wxPoint2D object.");
2694 return false;
2695 }
2696
2697
2698 //----------------------------------------------------------------------
2699
2700 PyObject* wxArrayString2PyList_helper(const wxArrayString& arr) {
2701
2702 PyObject* list = PyList_New(0);
2703 for (size_t i=0; i < arr.GetCount(); i++) {
2704 #if wxUSE_UNICODE
2705 PyObject* str = PyUnicode_FromWideChar(arr[i].c_str(), arr[i].Len());
2706 #else
2707 PyObject* str = PyString_FromStringAndSize(arr[i].c_str(), arr[i].Len());
2708 #endif
2709 PyList_Append(list, str);
2710 Py_DECREF(str);
2711 }
2712 return list;
2713 }
2714
2715
2716 PyObject* wxArrayInt2PyList_helper(const wxArrayInt& arr) {
2717
2718 PyObject* list = PyList_New(0);
2719 for (size_t i=0; i < arr.GetCount(); i++) {
2720 PyObject* number = PyInt_FromLong(arr[i]);
2721 PyList_Append(list, number);
2722 Py_DECREF(number);
2723 }
2724 return list;
2725 }
2726
2727
2728 //----------------------------------------------------------------------
2729 //----------------------------------------------------------------------
2730
2731
2732
2733