wxPython/src/helpers.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        helpers.cpp
   3 // Purpose:     Helper functions/classes for the wxPython extension module
   4 //
   5 // Author:      Robin Dunn
   6 //
   7 // Created:     7/1/97
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 1998 by Total Control Software
  10 // Licence:     wxWindows license
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #include <stdio.h>  // get the correct definition of NULL
  14
  15 #undef DEBUG
  16 #include <Python.h>
  17 #include "helpers.h"
  18
  19 #ifdef __WXMSW__
  20 #include <wx/msw/private.h>
  21 #include <wx/msw/winundef.h>
  22 #endif
  23
  24 #ifdef __WXGTK__
  25 #include <gtk/gtk.h>
  26 #include <gdk/gdkprivate.h>
  27 #include <wx/gtk/win_gtk.h>
  28 #endif
  29
  30
  31
  32
  33 #ifdef __WXMSW__             // If building for win32...
  34 //----------------------------------------------------------------------
  35 // This gets run when the DLL is loaded.  We just need to save a handle.
  36 //----------------------------------------------------------------------
  37
  38 BOOL WINAPI DllMain(
  39     HINSTANCE   hinstDLL,    // handle to DLL module
  40     DWORD       fdwReason,   // reason for calling function
  41     LPVOID      lpvReserved  // reserved
  42    )
  43 {
  44     wxSetInstance(hinstDLL);
  45     return 1;
  46 }
  47 #endif
  48
  49 //----------------------------------------------------------------------
  50 // Class for implementing the wxp main application shell.
  51 //----------------------------------------------------------------------
  52
  53 wxPyApp *wxPythonApp = NULL;            // Global instance of application object
  54
  55
  56 wxPyApp::wxPyApp() {
  57 //    printf("**** ctor\n");
  58 }
  59
  60 wxPyApp::~wxPyApp() {
  61 //    printf("**** dtor\n");
  62 }
  63
  64
  65 // This one isn't acutally called...  See __wxStart()
  66 bool wxPyApp::OnInit(void) {
  67     return FALSE;
  68 }
  69
  70 int  wxPyApp::MainLoop(void) {
  71     int retval = 0;
  72
  73     DeletePendingObjects();
  74 #ifdef __WXGTK__
  75     m_initialized = wxTopLevelWindows.GetCount() != 0;
  76 #endif
  77
  78     if (Initialized()) {
  79         retval = wxApp::MainLoop();
  80         wxPythonApp->OnExit();
  81     }
  82     return retval;
  83 }
  84
  85
  86 //---------------------------------------------------------------------
  87 //----------------------------------------------------------------------
  88
  89 #ifdef __WXMSW__
  90 #include "wx/msw/msvcrt.h"
  91 #endif
  92
  93
  94 int  WXDLLEXPORT wxEntryStart( int argc, char** argv );
  95 int  WXDLLEXPORT wxEntryInitGui();
  96 void WXDLLEXPORT wxEntryCleanup();
  97
  98
  99 #ifdef WXP_WITH_THREAD
 100 PyInterpreterState* wxPyInterpreter = NULL;
 101 #endif
 102
 103
 104 // This is where we pick up the first part of the wxEntry functionality...
 105 // The rest is in __wxStart and  __wxCleanup.  This function is called when
 106 // wxcmodule is imported.  (Before there is a wxApp object.)
 107 void __wxPreStart()
 108 {
 109
 110 #ifdef __WXMSW__
 111 //    wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
 112 #endif
 113
 114 #ifdef WXP_WITH_THREAD
 115     PyEval_InitThreads();
 116     wxPyInterpreter = PyThreadState_Get()->interp;
 117 #endif
 118
 119     // Bail out if there is already windows created.  This means that the
 120     // toolkit has already been initialized, as in embedding wxPython in
 121     // a C++ wxWindows app.
 122     if (wxTopLevelWindows.Number() > 0)
 123         return;
 124
 125
 126     int argc = 0;
 127     char** argv = NULL;
 128     PyObject* sysargv = PySys_GetObject("argv");
 129     if (sysargv != NULL) {
 130         argc = PyList_Size(sysargv);
 131         argv = new char*[argc+1];
 132         int x;
 133         for(x=0; x<argc; x++)
 134             argv[x] = copystring(PyString_AsString(PyList_GetItem(sysargv, x)));
 135         argv[argc] = NULL;
 136     }
 137
 138     wxEntryStart(argc, argv);
 139     delete [] argv;
 140 }
 141
 142
 143
 144 // Start the user application, user App's OnInit method is a parameter here
 145 PyObject* __wxStart(PyObject* /* self */, PyObject* args)
 146 {
 147     PyObject*   onInitFunc = NULL;
 148     PyObject*   arglist;
 149     PyObject*   result;
 150     long        bResult;
 151
 152     if (!PyArg_ParseTuple(args, "O", &onInitFunc))
 153         return NULL;
 154
 155 #if 0  // Try it out without this check, see how it does...
 156     if (wxTopLevelWindows.Number() > 0) {
 157         PyErr_SetString(PyExc_TypeError, "Only 1 wxApp per process!");
 158         return NULL;
 159     }
 160 #endif
 161
 162     // This is the next part of the wxEntry functionality...
 163     int argc = 0;
 164     char** argv = NULL;
 165     PyObject* sysargv = PySys_GetObject("argv");
 166     if (sysargv != NULL) {
 167         argc = PyList_Size(sysargv);
 168         argv = new char*[argc+1];
 169         int x;
 170         for(x=0; x<argc; x++)
 171             argv[x] = copystring(PyString_AsString(PyList_GetItem(sysargv, x)));
 172         argv[argc] = NULL;
 173     }
 174     wxPythonApp->argc = argc;
 175     wxPythonApp->argv = argv;
 176
 177     wxEntryInitGui();
 178
 179     // Call the Python App's OnInit function
 180     arglist = PyTuple_New(0);
 181     result = PyEval_CallObject(onInitFunc, arglist);
 182     if (!result) {      // an exception was raised.
 183         return NULL;
 184     }
 185
 186     if (! PyInt_Check(result)) {
 187         PyErr_SetString(PyExc_TypeError, "OnInit should return a boolean value");
 188         return NULL;
 189     }
 190     bResult = PyInt_AS_LONG(result);
 191     if (! bResult) {
 192         PyErr_SetString(PyExc_SystemExit, "OnInit returned FALSE, exiting...");
 193         return NULL;
 194     }
 195
 196 #ifdef __WXGTK__
 197     wxTheApp->m_initialized = (wxTopLevelWindows.GetCount() > 0);
 198 #endif
 199
 200     Py_INCREF(Py_None);
 201     return Py_None;
 202 }
 203
 204 void __wxCleanup() {
 205     wxEntryCleanup();
 206 }
 207
 208
 209
 210 static PyObject* wxPython_dict = NULL;
 211 static PyObject* wxPyPtrTypeMap = NULL;
 212
 213 PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
 214 {
 215
 216     if (!PyArg_ParseTuple(args, "O", &wxPython_dict))
 217         return NULL;
 218
 219     if (!PyDict_Check(wxPython_dict)) {
 220         PyErr_SetString(PyExc_TypeError, "_wxSetDictionary must have dictionary object!");
 221         return NULL;
 222     }
 223
 224     if (! wxPyPtrTypeMap)
 225         wxPyPtrTypeMap = PyDict_New();
 226     PyDict_SetItemString(wxPython_dict, "__wxPyPtrTypeMap", wxPyPtrTypeMap);
 227
 228
 229 #ifdef __WXMOTIF__
 230 #define wxPlatform "__WXMOTIF__"
 231 #endif
 232 #ifdef __WXQT__
 233 #define wxPlatform "__WXQT__"
 234 #endif
 235 #ifdef __WXGTK__
 236 #define wxPlatform "__WXGTK__"
 237 #endif
 238 #if defined(__WIN32__) || defined(__WXMSW__)
 239 #define wxPlatform "__WXMSW__"
 240 #endif
 241 #ifdef __WXMAC__
 242 #define wxPlatform "__WXMAC__"
 243 #endif
 244
 245     PyDict_SetItemString(wxPython_dict, "wxPlatform", PyString_FromString(wxPlatform));
 246
 247     Py_INCREF(Py_None);
 248     return Py_None;
 249 }
 250
 251
 252 //---------------------------------------------------------------------------
 253 // Stuff used by OOR to find the right wxPython class type to return and to
 254 // build it.
 255
 256
 257 // The pointer type map is used when the "pointer" type name generated by SWIG
 258 // is not the same as the shadow class name, for example wxPyTreeCtrl
 259 // vs. wxTreeCtrl.  It needs to be referenced in Python as well as from C++,
 260 // so we'll just make it a Python dictionary in the wx module's namespace.
 261 void wxPyPtrTypeMap_Add(const char* commonName, const char* ptrName) {
 262     if (! wxPyPtrTypeMap)
 263         wxPyPtrTypeMap = PyDict_New();
 264
 265     PyDict_SetItemString(wxPyPtrTypeMap,
 266                          (char*)commonName,
 267                          PyString_FromString((char*)ptrName));
 268 }
 269
 270
 271
 272 PyObject* wxPyClassExists(const char* className) {
 273
 274     if (!className)
 275         return NULL;
 276
 277     char    buff[64];               // should always be big enough...
 278
 279     sprintf(buff, "%sPtr", className);
 280     PyObject* classobj = PyDict_GetItemString(wxPython_dict, buff);
 281
 282     return classobj;  // returns NULL if not found
 283 }
 284
 285
 286 PyObject*  wxPyMake_wxObject(wxObject* source, bool checkEvtHandler) {
 287     PyObject* target = NULL;
 288     bool      isEvtHandler = FALSE;
 289
 290     if (source) {
 291         // If it's derived from wxEvtHandler then there may
 292         // already be a pointer to a Python object that we can use
 293         // in the OOR data.
 294         if (checkEvtHandler && wxIsKindOf(source, wxEvtHandler)) {
 295             isEvtHandler = TRUE;
 296             wxEvtHandler* eh = (wxEvtHandler*)source;
 297             wxPyClientData* data = (wxPyClientData*)eh->GetClientObject();
 298             if (data) {
 299                 target = data->m_obj;
 300                 Py_INCREF(target);
 301             }
 302         }
 303
 304         if (! target) {
 305             // Otherwise make it the old fashioned way by making a
 306             // new shadow object and putting this pointer in it.
 307             wxClassInfo* info = source->GetClassInfo();
 308             wxChar*      name = (wxChar*)info->GetClassName();
 309             PyObject*    klass = wxPyClassExists(name);
 310             while (info && !klass) {
 311                 name = (wxChar*)info->GetBaseClassName1();
 312                 info = wxClassInfo::FindClass(name);
 313                 klass = wxPyClassExists(name);
 314             }
 315             if (info) {
 316                 target = wxPyConstructObject(source, name, klass, FALSE);
 317                 if (target && isEvtHandler)
 318                     ((wxEvtHandler*)source)->SetClientObject(new wxPyClientData(target));
 319             } else {
 320                 wxString msg("wxPython class not found for ");
 321                 msg += source->GetClassInfo()->GetClassName();
 322                 PyErr_SetString(PyExc_NameError, msg.c_str());
 323                 target = NULL;
 324             }
 325         }
 326     } else {  // source was NULL so return None.
 327         Py_INCREF(Py_None); target = Py_None;
 328     }
 329     return target;
 330 }
 331
 332
 333 PyObject*  wxPyMake_wxSizer(wxSizer* source) {
 334     PyObject* target = NULL;
 335
 336     if (source && wxIsKindOf(source, wxSizer)) {
 337         // If it's derived from wxSizer then there may
 338         // already be a pointer to a Python object that we can use
 339         // in the OOR data.
 340         wxSizer* sz = (wxSizer*)source;
 341         wxPyClientData* data = (wxPyClientData*)sz->GetClientObject();
 342         if (data) {
 343             target = data->m_obj;
 344             Py_INCREF(target);
 345         }
 346     }
 347     if (! target) {
 348         target = wxPyMake_wxObject(source, FALSE);
 349         if (target != Py_None)
 350             ((wxSizer*)source)->SetClientObject(new wxPyClientData(target));
 351     }
 352     return target;
 353 }
 354
 355
 356
 357 //---------------------------------------------------------------------------
 358
 359 PyObject* wxPyConstructObject(void* ptr,
 360                               const char* className,
 361                               PyObject* klass,
 362                               int setThisOwn) {
 363
 364     PyObject* obj;
 365     PyObject* arg;
 366     PyObject* item;
 367     char      swigptr[64];      // should always be big enough...
 368     char      buff[64];
 369
 370     if ((item = PyDict_GetItemString(wxPyPtrTypeMap, (char*)className)) != NULL) {
 371         className = PyString_AsString(item);
 372     }
 373     sprintf(buff, "_%s_p", className);
 374     SWIG_MakePtr(swigptr, ptr, buff);
 375
 376     arg = Py_BuildValue("(s)", swigptr);
 377     obj = PyInstance_New(klass, arg, NULL);
 378     Py_DECREF(arg);
 379
 380     if (setThisOwn) {
 381         PyObject* one = PyInt_FromLong(1);
 382         PyObject_SetAttrString(obj, "thisown", one);
 383         Py_DECREF(one);
 384     }
 385
 386     return obj;
 387 }
 388
 389
 390 PyObject* wxPyConstructObject(void* ptr,
 391                               const char* className,
 392                               int setThisOwn) {
 393     PyObject* obj;
 394
 395     if (!ptr) {
 396         Py_INCREF(Py_None);
 397         return Py_None;
 398     }
 399
 400     char    buff[64];               // should always be big enough...
 401     sprintf(buff, "%sPtr", className);
 402
 403         wxASSERT_MSG(wxPython_dict, "wxPython_dict is not set yet!!");
 404
 405     PyObject* classobj = PyDict_GetItemString(wxPython_dict, buff);
 406     if (! classobj) {
 407         char temp[128];
 408         sprintf(temp,
 409                 "*** Unknown class name %s, tell Robin about it please ***",
 410                 buff);
 411         obj = PyString_FromString(temp);
 412         return obj;
 413     }
 414
 415     return wxPyConstructObject(ptr, className, classobj, setThisOwn);
 416 }
 417
 418 //---------------------------------------------------------------------------
 419
 420
 421 wxPyTState* wxPyBeginBlockThreads() {
 422     wxPyTState* state = NULL;
 423 #ifdef WXP_WITH_THREAD
 424     if (1) {   // Can I check if I've already got the lock?
 425         state = new wxPyTState;
 426         PyEval_AcquireLock();
 427         state->newState = PyThreadState_New(wxPyInterpreter);
 428         state->prevState = PyThreadState_Swap(state->newState);
 429     }
 430 #endif
 431     return state;
 432 }
 433
 434
 435 void wxPyEndBlockThreads(wxPyTState* state) {
 436 #ifdef WXP_WITH_THREAD
 437     if (state) {
 438         PyThreadState_Swap(state->prevState);
 439         PyThreadState_Clear(state->newState);
 440         PyEval_ReleaseLock();
 441         PyThreadState_Delete(state->newState);
 442         delete state;
 443     }
 444 #endif
 445 }
 446
 447
 448 //---------------------------------------------------------------------------
 449
 450 IMPLEMENT_ABSTRACT_CLASS(wxPyCallback, wxObject);
 451
 452 wxPyCallback::wxPyCallback(PyObject* func) {
 453     m_func = func;
 454     Py_INCREF(m_func);
 455 }
 456
 457 wxPyCallback::wxPyCallback(const wxPyCallback& other) {
 458     m_func = other.m_func;
 459     Py_INCREF(m_func);
 460 }
 461
 462 wxPyCallback::~wxPyCallback() {
 463     wxPyTState* state = wxPyBeginBlockThreads();
 464     Py_DECREF(m_func);
 465     wxPyEndBlockThreads(state);
 466 }
 467
 468
 469
 470 // This function is used for all events destined for Python event handlers.
 471 void wxPyCallback::EventThunker(wxEvent& event) {
 472     wxPyCallback*   cb = (wxPyCallback*)event.m_callbackUserData;
 473     PyObject*       func = cb->m_func;
 474     PyObject*       result;
 475     PyObject*       arg;
 476     PyObject*       tuple;
 477
 478
 479     wxPyTState* state = wxPyBeginBlockThreads();
 480     wxString className = event.GetClassInfo()->GetClassName();
 481
 482     if (className == "wxPyEvent")
 483         arg = ((wxPyEvent*)&event)->GetSelf();
 484     else if (className == "wxPyCommandEvent")
 485         arg = ((wxPyCommandEvent*)&event)->GetSelf();
 486     else
 487         arg = wxPyConstructObject((void*)&event, className);
 488
 489     tuple = PyTuple_New(1);
 490     PyTuple_SET_ITEM(tuple, 0, arg);
 491     result = PyEval_CallObject(func, tuple);
 492     Py_DECREF(tuple);
 493     if (result) {
 494         Py_DECREF(result);
 495         PyErr_Clear();       // Just in case...
 496     } else {
 497         PyErr_Print();
 498     }
 499     wxPyEndBlockThreads(state);
 500 }
 501
 502
 503 //----------------------------------------------------------------------
 504
 505 wxPyCallbackHelper::wxPyCallbackHelper(const wxPyCallbackHelper& other) {
 506       m_lastFound = NULL;
 507       m_self = other.m_self;
 508       m_class = other.m_class;
 509       if (m_self) {
 510           Py_INCREF(m_self);
 511           Py_INCREF(m_class);
 512       }
 513 }
 514
 515
 516 void wxPyCallbackHelper::setSelf(PyObject* self, PyObject* klass, int incref) {
 517     m_self = self;
 518     m_class = klass;
 519     m_incRef = incref;
 520     if (incref) {
 521         Py_INCREF(m_self);
 522         Py_INCREF(m_class);
 523     }
 524 }
 525
 526
 527 #if PYTHON_API_VERSION >= 1011
 528
 529 // Prior to Python 2.2 PyMethod_GetClass returned the class object
 530 // in which the method was defined.  Starting with 2.2 it returns
 531 // "class that asked for the method" which seems totally bogus to me
 532 // but apprently if fixes some obscure problem waiting to happen in
 533 // Python.  Since the API was not documented Guido and the gang felt
 534 // safe in changing it.  Needless to say that totally screwed up the
 535 // logic below in wxPyCallbackHelper::findCallback, hence this icky
 536 // code to find the class where the method is actuallt defined...
 537
 538 static
 539 PyObject* PyFindClassWithAttr(PyObject *klass, PyObject *name)
 540 {
 541     int i, n;
 542
 543     if (PyType_Check(klass)) {      // new style classes
 544         // This code is borrowed/adapted from _PyType_Lookup in typeobject.c
 545         PyTypeObject* type = (PyTypeObject*)klass;
 546         PyObject *mro, *res, *base, *dict;
 547         /* Look in tp_dict of types in MRO */
 548         mro = type->tp_mro;
 549         assert(PyTuple_Check(mro));
 550         n = PyTuple_GET_SIZE(mro);
 551         for (i = 0; i < n; i++) {
 552             base = PyTuple_GET_ITEM(mro, i);
 553             if (PyClass_Check(base))
 554                 dict = ((PyClassObject *)base)->cl_dict;
 555             else {
 556                 assert(PyType_Check(base));
 557                 dict = ((PyTypeObject *)base)->tp_dict;
 558             }
 559             assert(dict && PyDict_Check(dict));
 560             res = PyDict_GetItem(dict, name);
 561             if (res != NULL)
 562                 return res;
 563         }
 564         return NULL;
 565     }
 566
 567     else if (PyClass_Check(klass)) { // old style classes
 568         // This code is borrowed/adapted from class_lookup in classobject.c
 569         PyClassObject* cp = (PyClassObject*)klass;
 570         PyObject *value = PyDict_GetItem(cp->cl_dict, name);
 571         if (value != NULL) {
 572             return (PyObject*)cp;
 573         }
 574         n = PyTuple_Size(cp->cl_bases);
 575         for (i = 0; i < n; i++) {
 576             PyObject* base = PyTuple_GetItem(cp->cl_bases, i);
 577             PyObject *v = PyFindClassWithAttr(base, name);
 578             if (v != NULL)
 579                 return v;
 580         }
 581         return NULL;
 582     }
 583 }
 584 #endif
 585
 586
 587 static
 588 PyObject* PyMethod_GetDefiningClass(PyObject* method, const char* name)
 589 {
 590     PyObject* mgc = PyMethod_GET_CLASS(method);
 591
 592 #if PYTHON_API_VERSION <= 1010    // prior to Python 2.2, the easy way
 593     return mgc;
 594 #else                             // 2.2 and after, the hard way...
 595
 596     PyObject* nameo = PyString_FromString(name);
 597     PyObject* klass = PyFindClassWithAttr(mgc, nameo);
 598     Py_DECREF(nameo);
 599     return klass;
 600 #endif
 601 }
 602
 603
 604
 605 bool wxPyCallbackHelper::findCallback(const char* name) const {
 606     wxPyCallbackHelper* self = (wxPyCallbackHelper*)this; // cast away const
 607     self->m_lastFound = NULL;
 608
 609     // If the object (m_self) has an attibute of the given name...
 610     if (m_self && PyObject_HasAttrString(m_self, (char*)name)) {
 611         PyObject *method, *klass;
 612         method = PyObject_GetAttrString(m_self, (char*)name);
 613
 614         // ...and if that attribute is a method, and if that method's class is
 615         // not from a base class...
 616         if (PyMethod_Check(method) &&
 617             (klass = PyMethod_GetDefiningClass(method, (char*)name)) != NULL &&
 618             ((klass == m_class) || PyClass_IsSubclass(klass, m_class))) {
 619
 620             // ...then we'll save a pointer to the method so callCallback can call it.
 621             self->m_lastFound = method;
 622         }
 623         else {
 624             Py_DECREF(method);
 625         }
 626     }
 627     return m_lastFound != NULL;
 628 }
 629
 630
 631 int wxPyCallbackHelper::callCallback(PyObject* argTuple) const {
 632     PyObject*   result;
 633     int         retval = FALSE;
 634
 635     result = callCallbackObj(argTuple);
 636     if (result) {                       // Assumes an integer return type...
 637         retval = PyInt_AsLong(result);
 638         Py_DECREF(result);
 639         PyErr_Clear();                  // forget about it if it's not...
 640     }
 641     return retval;
 642 }
 643
 644 // Invoke the Python callable object, returning the raw PyObject return
 645 // value.  Caller should DECREF the return value and also call PyEval_SaveThread.
 646 PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) const {
 647     PyObject* result;
 648
 649     // Save a copy of the pointer in case the callback generates another
 650     // callback.  In that case m_lastFound will have a different value when
 651     // it gets back here...
 652     PyObject* method = m_lastFound;
 653
 654     result = PyEval_CallObject(method, argTuple);
 655     Py_DECREF(argTuple);
 656     Py_DECREF(method);
 657     if (!result) {
 658         PyErr_Print();
 659     }
 660     return result;
 661 }
 662
 663
 664 void wxPyCBH_setCallbackInfo(wxPyCallbackHelper& cbh, PyObject* self, PyObject* klass, int incref) {
 665     cbh.setSelf(self, klass, incref);
 666 }
 667
 668 bool wxPyCBH_findCallback(const wxPyCallbackHelper& cbh, const char* name) {
 669     return cbh.findCallback(name);
 670 }
 671
 672 int  wxPyCBH_callCallback(const wxPyCallbackHelper& cbh, PyObject* argTuple) {
 673     return cbh.callCallback(argTuple);
 674 }
 675
 676 PyObject* wxPyCBH_callCallbackObj(const wxPyCallbackHelper& cbh, PyObject* argTuple) {
 677     return cbh.callCallbackObj(argTuple);
 678 }
 679
 680
 681 void wxPyCBH_delete(wxPyCallbackHelper* cbh) {
 682     if (cbh->m_incRef) {
 683         wxPyTState* state = wxPyBeginBlockThreads();
 684         Py_XDECREF(cbh->m_self);
 685         Py_XDECREF(cbh->m_class);
 686         wxPyEndBlockThreads(state);
 687     }
 688 }
 689
 690 //---------------------------------------------------------------------------
 691 //---------------------------------------------------------------------------
 692 // These event classes can be derived from in Python and passed through the event
 693 // system without losing anything.  They do this by keeping a reference to
 694 // themselves and some special case handling in wxPyCallback::EventThunker.
 695
 696
 697 wxPyEvtSelfRef::wxPyEvtSelfRef() {
 698     //m_self = Py_None;         // **** We don't do normal ref counting to prevent
 699     //Py_INCREF(m_self);        //      circular loops...
 700     m_cloned = FALSE;
 701 }
 702
 703 wxPyEvtSelfRef::~wxPyEvtSelfRef() {
 704     wxPyTState* state = wxPyBeginBlockThreads();
 705     if (m_cloned)
 706         Py_DECREF(m_self);
 707     wxPyEndBlockThreads(state);
 708 }
 709
 710 void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) {
 711     wxPyTState* state = wxPyBeginBlockThreads();
 712     if (m_cloned)
 713         Py_DECREF(m_self);
 714     m_self = self;
 715     if (clone) {
 716         Py_INCREF(m_self);
 717         m_cloned = TRUE;
 718     }
 719     wxPyEndBlockThreads(state);
 720 }
 721
 722 PyObject* wxPyEvtSelfRef::GetSelf() const {
 723     Py_INCREF(m_self);
 724     return m_self;
 725 }
 726
 727
 728 IMPLEMENT_ABSTRACT_CLASS(wxPyEvent, wxEvent);
 729 IMPLEMENT_ABSTRACT_CLASS(wxPyCommandEvent, wxCommandEvent);
 730
 731
 732 wxPyEvent::wxPyEvent(int id)
 733     : wxEvent(id) {
 734 }
 735
 736
 737 wxPyEvent::wxPyEvent(const wxPyEvent& evt)
 738     : wxEvent(evt)
 739 {
 740     SetSelf(evt.m_self, TRUE);
 741 }
 742
 743
 744 wxPyEvent::~wxPyEvent() {
 745 }
 746
 747
 748 wxPyCommandEvent::wxPyCommandEvent(wxEventType commandType, int id)
 749     : wxCommandEvent(commandType, id) {
 750 }
 751
 752
 753 wxPyCommandEvent::wxPyCommandEvent(const wxPyCommandEvent& evt)
 754     : wxCommandEvent(evt)
 755 {
 756     SetSelf(evt.m_self, TRUE);
 757 }
 758
 759
 760 wxPyCommandEvent::~wxPyCommandEvent() {
 761 }
 762
 763
 764
 765
 766 //---------------------------------------------------------------------------
 767 //---------------------------------------------------------------------------
 768
 769
 770 wxPyTimer::wxPyTimer(PyObject* callback) {
 771     func = callback;
 772     Py_INCREF(func);
 773 }
 774
 775 wxPyTimer::~wxPyTimer() {
 776     wxPyTState* state = wxPyBeginBlockThreads();
 777     Py_DECREF(func);
 778     wxPyEndBlockThreads(state);
 779 }
 780
 781 void wxPyTimer::Notify() {
 782     if (!func || func == Py_None) {
 783         wxTimer::Notify();
 784     }
 785     else {
 786         wxPyTState* state = wxPyBeginBlockThreads();
 787
 788         PyObject*   result;
 789         PyObject*   args = Py_BuildValue("()");
 790
 791         result = PyEval_CallObject(func, args);
 792         Py_DECREF(args);
 793         if (result) {
 794             Py_DECREF(result);
 795             PyErr_Clear();
 796         } else {
 797             PyErr_Print();
 798         }
 799
 800         wxPyEndBlockThreads(state);
 801     }
 802 }
 803
 804
 805
 806 //---------------------------------------------------------------------------
 807 //---------------------------------------------------------------------------
 808 // Convert a wxList to a Python List
 809
 810 PyObject* wxPy_ConvertList(wxListBase* list, const char* className) {
 811     PyObject*   pyList;
 812     PyObject*   pyObj;
 813     wxObject*   wxObj;
 814     wxNode*     node = list->First();
 815
 816     wxPyTState* state = wxPyBeginBlockThreads();
 817     pyList = PyList_New(0);
 818     while (node) {
 819         wxObj = node->Data();
 820         pyObj = wxPyMake_wxObject(wxObj); //wxPyConstructObject(wxObj, className);
 821         PyList_Append(pyList, pyObj);
 822         node = node->Next();
 823     }
 824     wxPyEndBlockThreads(state);
 825     return pyList;
 826 }
 827
 828 //----------------------------------------------------------------------
 829
 830 long wxPyGetWinHandle(wxWindow* win) {
 831 #ifdef __WXMSW__
 832     return (long)win->GetHandle();
 833 #endif
 834
 835     // Find and return the actual X-Window.
 836 #ifdef __WXGTK__
 837     if (win->m_wxwindow) {
 838         GdkWindowPrivate* bwin = (GdkWindowPrivate*)GTK_PIZZA(win->m_wxwindow)->bin_window;
 839         if (bwin) {
 840             return (long)bwin->xwindow;
 841         }
 842     }
 843 #endif
 844     return 0;
 845 }
 846
 847 //----------------------------------------------------------------------
 848 // Some helper functions for typemaps in my_typemaps.i, so they won't be
 849 // included in every file...
 850
 851
 852 byte* byte_LIST_helper(PyObject* source) {
 853     if (!PyList_Check(source)) {
 854         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
 855         return NULL;
 856     }
 857     int count = PyList_Size(source);
 858     byte* temp = new byte[count];
 859     if (! temp) {
 860         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
 861         return NULL;
 862     }
 863     for (int x=0; x<count; x++) {
 864         PyObject* o = PyList_GetItem(source, x);
 865         if (! PyInt_Check(o)) {
 866             PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
 867             return NULL;
 868         }
 869         temp[x] = (byte)PyInt_AsLong(o);
 870     }
 871     return temp;
 872 }
 873
 874
 875 int* int_LIST_helper(PyObject* source) {
 876     if (!PyList_Check(source)) {
 877         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
 878         return NULL;
 879     }
 880     int count = PyList_Size(source);
 881     int* temp = new int[count];
 882     if (! temp) {
 883         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
 884         return NULL;
 885     }
 886     for (int x=0; x<count; x++) {
 887         PyObject* o = PyList_GetItem(source, x);
 888         if (! PyInt_Check(o)) {
 889             PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
 890             return NULL;
 891         }
 892         temp[x] = PyInt_AsLong(o);
 893     }
 894     return temp;
 895 }
 896
 897
 898 long* long_LIST_helper(PyObject* source) {
 899     if (!PyList_Check(source)) {
 900         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
 901         return NULL;
 902     }
 903     int count = PyList_Size(source);
 904     long* temp = new long[count];
 905     if (! temp) {
 906         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
 907         return NULL;
 908     }
 909     for (int x=0; x<count; x++) {
 910         PyObject* o = PyList_GetItem(source, x);
 911         if (! PyInt_Check(o)) {
 912             PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
 913             return NULL;
 914         }
 915         temp[x] = PyInt_AsLong(o);
 916     }
 917     return temp;
 918 }
 919
 920
 921 char** string_LIST_helper(PyObject* source) {
 922     if (!PyList_Check(source)) {
 923         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
 924         return NULL;
 925     }
 926     int count = PyList_Size(source);
 927     char** temp = new char*[count];
 928     if (! temp) {
 929         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
 930         return NULL;
 931     }
 932     for (int x=0; x<count; x++) {
 933         PyObject* o = PyList_GetItem(source, x);
 934         if (! PyString_Check(o)) {
 935             PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
 936             return NULL;
 937         }
 938         temp[x] = PyString_AsString(o);
 939     }
 940     return temp;
 941 }
 942
 943 //--------------------------------
 944 // Part of patch from Tim Hochberg
 945 static inline bool wxPointFromObjects(PyObject* o1, PyObject* o2, wxPoint* point) {
 946     if (PyInt_Check(o1) && PyInt_Check(o2)) {
 947         point->x = PyInt_AS_LONG(o1);
 948         point->y = PyInt_AS_LONG(o2);
 949         return true;
 950     }
 951     if (PyFloat_Check(o1) && PyFloat_Check(o2)) {
 952         point->x = (int)PyFloat_AS_DOUBLE(o1);
 953         point->y = (int)PyFloat_AS_DOUBLE(o2);
 954         return true;
 955     }
 956     if (PyInstance_Check(o1) || PyInstance_Check(o2)) {
 957         // Disallow instances because they can cause havok
 958         return false;
 959     }
 960     if (PyNumber_Check(o1) && PyNumber_Check(o2)) {
 961         // I believe this excludes instances, so this should be safe without INCREFFing o1 and o2
 962         point->x = PyInt_AsLong(o1);
 963         point->y = PyInt_AsLong(o2);
 964         return true;
 965     }
 966     return false;
 967 }
 968
 969
 970 wxPoint* wxPoint_LIST_helper(PyObject* source, int *count) {
 971     // Putting all of the declarations here allows
 972     // us to put the error handling all in one place.
 973     int x;
 974     wxPoint* temp;
 975     PyObject *o, *o1, *o2;
 976     bool isFast = PyList_Check(source) || PyTuple_Check(source);
 977
 978     if (!PySequence_Check(source)) {
 979         goto error0;
 980     }
 981
 982     // The length of the sequence is returned in count.
 983     *count = PySequence_Length(source);
 984     if (*count < 0) {
 985         goto error0;
 986     }
 987
 988     temp = new wxPoint[*count];
 989     if (!temp) {
 990         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
 991         return NULL;
 992     }
 993     for (x=0; x<*count; x++) {
 994         // Get an item: try fast way first.
 995         if (isFast) {
 996             o = PySequence_Fast_GET_ITEM(source, x);
 997         }
 998         else {
 999             o = PySequence_GetItem(source, x);
1000             if (o == NULL) {
1001                 goto error1;
1002             }
1003         }
1004
1005         // Convert o to wxPoint.
1006         if ((PyTuple_Check(o) && PyTuple_GET_SIZE(o) == 2) ||
1007             (PyList_Check(o) && PyList_GET_SIZE(o) == 2)) {
1008             o1 = PySequence_Fast_GET_ITEM(o, 0);
1009             o2 = PySequence_Fast_GET_ITEM(o, 1);
1010             if (!wxPointFromObjects(o1, o2, &temp[x])) {
1011                 goto error2;
1012             }
1013         }
1014         else if (PyInstance_Check(o)) {
1015             wxPoint* pt;
1016             if (SWIG_GetPtrObj(o, (void **)&pt, "_wxPoint_p")) {
1017                 goto error2;
1018             }
1019             temp[x] = *pt;
1020         }
1021         else if (PySequence_Check(o) && PySequence_Length(o) == 2) {
1022             o1 = PySequence_GetItem(o, 0);
1023             o2 = PySequence_GetItem(o, 1);
1024             if (!wxPointFromObjects(o1, o2, &temp[x])) {
1025                 goto error3;
1026             }
1027             Py_DECREF(o1);
1028             Py_DECREF(o2);
1029         }
1030         else {
1031             goto error2;
1032         }
1033         // Clean up.
1034         if (!isFast)
1035             Py_DECREF(o);
1036     }
1037     return temp;
1038
1039 error3:
1040     Py_DECREF(o1);
1041     Py_DECREF(o2);
1042 error2:
1043     if (!isFast)
1044         Py_DECREF(o);
1045 error1:
1046     delete temp;
1047 error0:
1048     PyErr_SetString(PyExc_TypeError, "Expected a sequence of length-2 sequences or wxPoints.");
1049     return NULL;
1050 }
1051 // end of patch
1052 //------------------------------
1053
1054
1055 wxBitmap** wxBitmap_LIST_helper(PyObject* source) {
1056     if (!PyList_Check(source)) {
1057         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
1058         return NULL;
1059     }
1060     int count = PyList_Size(source);
1061     wxBitmap** temp = new wxBitmap*[count];
1062     if (! temp) {
1063         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
1064         return NULL;
1065     }
1066     for (int x=0; x<count; x++) {
1067         PyObject* o = PyList_GetItem(source, x);
1068         if (PyInstance_Check(o)) {
1069             wxBitmap*    pt;
1070             if (SWIG_GetPtrObj(o, (void **) &pt,"_wxBitmap_p")) {
1071                 PyErr_SetString(PyExc_TypeError,"Expected _wxBitmap_p.");
1072                 return NULL;
1073             }
1074             temp[x] = pt;
1075         }
1076         else {
1077             PyErr_SetString(PyExc_TypeError, "Expected a list of wxBitmaps.");
1078             return NULL;
1079         }
1080     }
1081     return temp;
1082 }
1083
1084
1085
1086 wxString* wxString_LIST_helper(PyObject* source) {
1087     if (!PyList_Check(source)) {
1088         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
1089         return NULL;
1090     }
1091     int count = PyList_Size(source);
1092     wxString* temp = new wxString[count];
1093     if (! temp) {
1094         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
1095         return NULL;
1096     }
1097     for (int x=0; x<count; x++) {
1098         PyObject* o = PyList_GetItem(source, x);
1099 #if PYTHON_API_VERSION >= 1009
1100         if (! PyString_Check(o) && ! PyUnicode_Check(o)) {
1101             PyErr_SetString(PyExc_TypeError, "Expected a list of string or unicode objects.");
1102             return NULL;
1103         }
1104
1105         char* buff;
1106         int   length;
1107         if (PyString_AsStringAndSize(o, &buff, &length) == -1)
1108             return NULL;
1109         temp[x] = wxString(buff, length);
1110 #else
1111         if (! PyString_Check(o)) {
1112             PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
1113             return NULL;
1114         }
1115         temp[x] = PyString_AsString(o);
1116 #endif
1117     }
1118     return temp;
1119 }
1120
1121
1122 wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
1123     if (!PyList_Check(source)) {
1124         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
1125         return NULL;
1126     }
1127     int count                = PyList_Size(source);
1128     wxAcceleratorEntry* temp = new wxAcceleratorEntry[count];
1129     if (! temp) {
1130         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
1131         return NULL;
1132     }
1133     for (int x=0; x<count; x++) {
1134         PyObject* o = PyList_GetItem(source, x);
1135         if (PyInstance_Check(o)) {
1136             wxAcceleratorEntry* ae;
1137             if (SWIG_GetPtrObj(o, (void **) &ae,"_wxAcceleratorEntry_p")) {
1138                 PyErr_SetString(PyExc_TypeError,"Expected _wxAcceleratorEntry_p.");
1139                 return NULL;
1140             }
1141             temp[x] = *ae;
1142         }
1143         else if (PyTuple_Check(o)) {
1144             PyObject* o1 = PyTuple_GetItem(o, 0);
1145             PyObject* o2 = PyTuple_GetItem(o, 1);
1146             PyObject* o3 = PyTuple_GetItem(o, 2);
1147             temp[x].Set(PyInt_AsLong(o1), PyInt_AsLong(o2), PyInt_AsLong(o3));
1148         }
1149         else {
1150             PyErr_SetString(PyExc_TypeError, "Expected a list of 3-tuples or wxAcceleratorEntry objects.");
1151             return NULL;
1152         }
1153     }
1154     return temp;
1155 }
1156
1157
1158 wxPen** wxPen_LIST_helper(PyObject* source) {
1159     if (!PyList_Check(source)) {
1160         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
1161         return NULL;
1162     }
1163     int count = PyList_Size(source);
1164     wxPen** temp = new wxPen*[count];
1165     if (!temp) {
1166         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
1167         return NULL;
1168     }
1169     for (int x=0; x<count; x++) {
1170         PyObject* o = PyList_GetItem(source, x);
1171         if (PyInstance_Check(o)) {
1172             wxPen*  pt;
1173             if (SWIG_GetPtrObj(o, (void **) &pt,"_wxPen_p")) {
1174                 delete temp;
1175                 PyErr_SetString(PyExc_TypeError,"Expected _wxPen_p.");
1176                 return NULL;
1177             }
1178             temp[x] = pt;
1179         }
1180         else {
1181             delete temp;
1182             PyErr_SetString(PyExc_TypeError, "Expected a list of wxPens.");
1183             return NULL;
1184         }
1185     }
1186     return temp;
1187 }
1188
1189
1190 bool _2int_seq_helper(PyObject* source, int* i1, int* i2) {
1191     bool isFast = PyList_Check(source) || PyTuple_Check(source);
1192     PyObject *o1, *o2;
1193
1194     if (!PySequence_Check(source) || PySequence_Length(source) != 2)
1195         return FALSE;
1196
1197     if (isFast) {
1198         o1 = PySequence_Fast_GET_ITEM(source, 0);
1199         o2 = PySequence_Fast_GET_ITEM(source, 1);
1200     }
1201     else {
1202         o1 = PySequence_GetItem(source, 0);
1203         o2 = PySequence_GetItem(source, 1);
1204     }
1205
1206     *i1 = PyInt_AsLong(o1);
1207     *i2 = PyInt_AsLong(o2);
1208
1209     if (! isFast) {
1210         Py_DECREF(o1);
1211         Py_DECREF(o2);
1212     }
1213     return TRUE;
1214 }
1215
1216
1217 bool _4int_seq_helper(PyObject* source, int* i1, int* i2, int* i3, int* i4) {
1218     bool isFast = PyList_Check(source) || PyTuple_Check(source);
1219     PyObject *o1, *o2, *o3, *o4;
1220
1221     if (!PySequence_Check(source) || PySequence_Length(source) != 4)
1222         return FALSE;
1223
1224     if (isFast) {
1225         o1 = PySequence_Fast_GET_ITEM(source, 0);
1226         o2 = PySequence_Fast_GET_ITEM(source, 1);
1227         o3 = PySequence_Fast_GET_ITEM(source, 2);
1228         o4 = PySequence_Fast_GET_ITEM(source, 3);
1229     }
1230     else {
1231         o1 = PySequence_GetItem(source, 0);
1232         o2 = PySequence_GetItem(source, 1);
1233         o3 = PySequence_GetItem(source, 2);
1234         o4 = PySequence_GetItem(source, 3);
1235     }
1236
1237     *i1 = PyInt_AsLong(o1);
1238     *i2 = PyInt_AsLong(o2);
1239     *i3 = PyInt_AsLong(o3);
1240     *i4 = PyInt_AsLong(o4);
1241
1242     if (! isFast) {
1243         Py_DECREF(o1);
1244         Py_DECREF(o2);
1245         Py_DECREF(o3);
1246         Py_DECREF(o4);
1247     }
1248     return TRUE;
1249 }
1250
1251
1252 //----------------------------------------------------------------------
1253
1254 bool wxSize_helper(PyObject* source, wxSize** obj) {
1255
1256     // If source is an object instance then it may already be the right type
1257     if (PyInstance_Check(source)) {
1258         wxSize* ptr;
1259         if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxSize_p"))
1260             goto error;
1261         *obj = ptr;
1262         return TRUE;
1263     }
1264     // otherwise a 2-tuple of integers is expected
1265     else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
1266         PyObject* o1 = PySequence_GetItem(source, 0);
1267         PyObject* o2 = PySequence_GetItem(source, 1);
1268         **obj = wxSize(PyInt_AsLong(o1), PyInt_AsLong(o2));
1269         return TRUE;
1270     }
1271
1272  error:
1273     PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of integers or a wxSize object.");
1274     return FALSE;
1275 }
1276
1277 bool wxPoint_helper(PyObject* source, wxPoint** obj) {
1278
1279     // If source is an object instance then it may already be the right type
1280     if (PyInstance_Check(source)) {
1281         wxPoint* ptr;
1282         if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxPoint_p"))
1283             goto error;
1284         *obj = ptr;
1285         return TRUE;
1286     }
1287     // otherwise a length-2 sequence of integers is expected
1288     if (PySequence_Check(source) && PySequence_Length(source) == 2) {
1289         PyObject* o1 = PySequence_GetItem(source, 0);
1290         PyObject* o2 = PySequence_GetItem(source, 1);
1291                 // This should really check for integers, not numbers -- but that would break code.
1292                 if (!PyNumber_Check(o1) || !PyNumber_Check(o2)) {
1293                         Py_DECREF(o1);
1294                     Py_DECREF(o2);
1295                         goto error;
1296                 }
1297                 **obj = wxPoint(PyInt_AsLong(o1), PyInt_AsLong(o2));
1298                 Py_DECREF(o1);
1299                 Py_DECREF(o2);
1300         return TRUE;
1301     }
1302  error:
1303     PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of integers or a wxPoint object.");
1304     return FALSE;
1305 }
1306
1307
1308
1309 bool wxRealPoint_helper(PyObject* source, wxRealPoint** obj) {
1310
1311     // If source is an object instance then it may already be the right type
1312     if (PyInstance_Check(source)) {
1313         wxRealPoint* ptr;
1314         if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxRealPoint_p"))
1315             goto error;
1316         *obj = ptr;
1317         return TRUE;
1318     }
1319     // otherwise a 2-tuple of floats is expected
1320     else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
1321         PyObject* o1 = PySequence_GetItem(source, 0);
1322         PyObject* o2 = PySequence_GetItem(source, 1);
1323         **obj = wxRealPoint(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2));
1324         return TRUE;
1325     }
1326
1327  error:
1328     PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wxRealPoint object.");
1329     return FALSE;
1330 }
1331
1332
1333
1334
1335 bool wxRect_helper(PyObject* source, wxRect** obj) {
1336
1337     // If source is an object instance then it may already be the right type
1338     if (PyInstance_Check(source)) {
1339         wxRect* ptr;
1340         if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxRect_p"))
1341             goto error;
1342         *obj = ptr;
1343         return TRUE;
1344     }
1345     // otherwise a 4-tuple of integers is expected
1346     else if (PySequence_Check(source) && PyObject_Length(source) == 4) {
1347         PyObject* o1 = PySequence_GetItem(source, 0);
1348         PyObject* o2 = PySequence_GetItem(source, 1);
1349         PyObject* o3 = PySequence_GetItem(source, 2);
1350         PyObject* o4 = PySequence_GetItem(source, 3);
1351         **obj = wxRect(PyInt_AsLong(o1), PyInt_AsLong(o2),
1352                      PyInt_AsLong(o3), PyInt_AsLong(o4));
1353         return TRUE;
1354     }
1355
1356  error:
1357     PyErr_SetString(PyExc_TypeError, "Expected a 4-tuple of integers or a wxRect object.");
1358     return FALSE;
1359 }
1360
1361
1362
1363 bool wxColour_helper(PyObject* source, wxColour** obj) {
1364
1365     // If source is an object instance then it may already be the right type
1366     if (PyInstance_Check(source)) {
1367         wxColour* ptr;
1368         if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxColour_p"))
1369             goto error;
1370         *obj = ptr;
1371         return TRUE;
1372     }
1373     // otherwise a string is expected
1374     else if (PyString_Check(source)) {
1375         wxString spec = PyString_AS_STRING(source);
1376         if (spec[0U] == '#' && spec.Length() == 7) {  // It's  #RRGGBB
1377             char* junk;
1378             int red   = strtol(spec.Mid(1,2), &junk, 16);
1379             int green = strtol(spec.Mid(3,2), &junk, 16);
1380             int blue  = strtol(spec.Mid(5,2), &junk, 16);
1381             **obj = wxColour(red, green, blue);
1382             return TRUE;
1383         }
1384         else {                                       // it's a colour name
1385             **obj = wxColour(spec);
1386             return TRUE;
1387         }
1388     }
1389
1390  error:
1391     PyErr_SetString(PyExc_TypeError, "Expected a wxColour object or a string containing a colour name or '#RRGGBB'.");
1392     return FALSE;
1393 }
1394
1395
1396 //----------------------------------------------------------------------
1397
1398 PyObject* wxArrayString2PyList_helper(const wxArrayString& arr) {
1399
1400     PyObject* list = PyList_New(0);
1401     for (size_t i=0; i < arr.GetCount(); i++) {
1402         PyObject* str = PyString_FromString(arr[i].c_str());
1403         PyList_Append(list, str);
1404         Py_DECREF(str);
1405     }
1406     return list;
1407 }
1408
1409
1410 //----------------------------------------------------------------------
1411 //----------------------------------------------------------------------
1412
1413
1414
1415