utils/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
  14 #ifdef __WXGTK__
  15 #include <gtk/gtk.h>
  16 #endif
  17
  18 #undef DEBUG
  19 #include <Python.h>
  20 #include "helpers.h"
  21 #ifdef __WXMSW__
  22 #include <wx/msw/private.h>
  23 #undef FindWindow
  24 #undef GetCharWidth
  25 #undef LoadAccelerators
  26 #undef GetClassInfo
  27 #undef GetClassName
  28 #endif
  29 #include <wx/module.h>
  30
  31
  32 //---------------------------------------------------------------------------
  33
  34 //wxHashTable*  wxPyWindows = NULL;
  35
  36
  37 wxPoint     wxPyDefaultPosition;        //wxDefaultPosition);
  38 wxSize      wxPyDefaultSize;            //wxDefaultSize);
  39 wxString    wxPyEmptyStr("");
  40
  41
  42
  43 #ifdef __WXMSW__             // If building for win32...
  44 //----------------------------------------------------------------------
  45 // This gets run when the DLL is loaded.  We just need to save a handle.
  46 //----------------------------------------------------------------------
  47
  48 BOOL WINAPI DllMain(
  49     HINSTANCE   hinstDLL,    // handle to DLL module
  50     DWORD       fdwReason,   // reason for calling function
  51     LPVOID      lpvReserved  // reserved
  52    )
  53 {
  54     wxSetInstance(hinstDLL);
  55     return 1;
  56 }
  57 #endif
  58
  59 //----------------------------------------------------------------------
  60 // Class for implementing the wxp main application shell.
  61 //----------------------------------------------------------------------
  62
  63 wxPyApp *wxPythonApp = NULL;            // Global instance of application object
  64
  65
  66 wxPyApp::wxPyApp() {
  67 //    printf("**** ctor\n");
  68 }
  69
  70 wxPyApp::~wxPyApp() {
  71 //    printf("**** dtor\n");
  72 }
  73
  74
  75 // This one isn't acutally called...  See __wxStart()
  76 bool wxPyApp::OnInit(void) {
  77     return false;
  78 }
  79
  80 int  wxPyApp::MainLoop(void) {
  81     int retval = wxApp::MainLoop();
  82 //#    AfterMainLoop();
  83     wxPythonApp->OnExit();  //#
  84     return retval;
  85 }
  86
  87
  88 //#  void wxPyApp::AfterMainLoop(void) {
  89 //      // more stuff from wxEntry...
  90
  91 //      if (wxPythonApp->GetTopWindow()) {
  92 //          // Forcibly delete the window.
  93 //          if (wxPythonApp->GetTopWindow()->IsKindOf(CLASSINFO(wxFrame)) ||
  94 //              wxPythonApp->GetTopWindow()->IsKindOf(CLASSINFO(wxDialog))) {
  95
  96 //              wxPythonApp->GetTopWindow()->Close(TRUE);
  97 //              wxPythonApp->DeletePendingObjects();
  98 //          }
  99 //          else {
 100 //              delete wxPythonApp->GetTopWindow();
 101 //              wxPythonApp->SetTopWindow(NULL);
 102 //          }
 103 //      }
 104 //  #ifdef __WXGTK__
 105 //        wxPythonApp->DeletePendingObjects();
 106 //  #endif
 107
 108 //      wxPythonApp->OnExit();
 109 //      wxApp::CleanUp();
 110 //  //    delete wxPythonApp;
 111 //  }
 112
 113
 114 //---------------------------------------------------------------------
 115 // a few native methods to add to the module
 116 //----------------------------------------------------------------------
 117
 118
 119 // This is where we pick up the first part of the wxEntry functionality...
 120 // The rest is in __wxStart and  AfterMainLoop.  This function is called when
 121 // wxcmodule is imported.  (Before there is a wxApp object.)
 122 void __wxPreStart()
 123 {
 124     // Bail out if there is already windows created.  This means that the
 125     // toolkit has already been initialized, as in embedding wxPython in
 126     // a C++ wxWindows app.
 127     if (wxTopLevelWindows.Number() > 0)
 128         return;
 129
 130 #ifdef __WXMSW__
 131     wxApp::Initialize();
 132 #endif
 133
 134 #ifdef __WXGTK__
 135     PyObject* sysargv = PySys_GetObject("argv");
 136     int argc = PyList_Size(sysargv);
 137     char** argv = new char*[argc+1];
 138     int x;
 139     for(x=0; x<argc; x++)
 140         argv[x] = PyString_AsString(PyList_GetItem(sysargv, x));
 141     argv[argc] = NULL;
 142
 143     gtk_set_locale();
 144     if (!wxOKlibc()) wxConvCurrent = &wxConvLocal;
 145     gtk_init( &argc, &argv );
 146     wxSetDetectableAutoRepeat( TRUE );
 147     delete [] argv;
 148
 149     wxApp::Initialize();     // may return FALSE. Should we check?
 150 #endif
 151
 152 }
 153
 154
 155 #ifdef WXP_WITH_THREAD
 156 PyThreadState*  wxPyEventThreadState = NULL;
 157 bool            wxPyInEvent = false;
 158 #endif
 159 static char* __nullArgv[1] = { 0 };
 160
 161
 162
 163 // Start the user application, user App's OnInit method is a parameter here
 164 PyObject* __wxStart(PyObject* /* self */, PyObject* args)
 165 {
 166     PyObject*   onInitFunc = NULL;
 167     PyObject*   arglist;
 168     PyObject*   result;
 169     long        bResult;
 170
 171 #ifdef WXP_WITH_THREAD
 172     wxPyEventThreadState = PyThreadState_Get();
 173 #endif
 174
 175     if (!PyArg_ParseTuple(args, "O", &onInitFunc))
 176         return NULL;
 177
 178     if (wxTopLevelWindows.Number() > 0) {
 179         PyErr_SetString(PyExc_TypeError, "Only 1 wxApp per process!");
 180         return NULL;
 181     }
 182
 183
 184     // This is the next part of the wxEntry functionality...
 185     wxPythonApp->argc = 0;
 186     wxPythonApp->argv = NULL;
 187     wxPythonApp->OnInitGui();
 188
 189
 190     // Call the Python App's OnInit function
 191     arglist = PyTuple_New(0);
 192     result = PyEval_CallObject(onInitFunc, arglist);
 193     if (!result) {      // an exception was raised.
 194         return NULL;
 195     }
 196
 197     if (! PyInt_Check(result)) {
 198         PyErr_SetString(PyExc_TypeError, "OnInit should return a boolean value");
 199         return NULL;
 200     }
 201     bResult = PyInt_AS_LONG(result);
 202     if (! bResult) {
 203         PyErr_SetString(PyExc_SystemExit, "OnInit returned false, exiting...");
 204         return NULL;
 205     }
 206
 207 #ifdef __WXGTK__
 208     wxTheApp->m_initialized = (wxTopLevelWindows.Number() > 0);
 209 #endif
 210
 211     Py_INCREF(Py_None);
 212     return Py_None;
 213 }
 214
 215
 216
 217
 218
 219 PyObject* wxPython_dict;
 220 PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
 221 {
 222
 223     if (!PyArg_ParseTuple(args, "O", &wxPython_dict))
 224         return NULL;
 225
 226     if (!PyDict_Check(wxPython_dict)) {
 227         PyErr_SetString(PyExc_TypeError, "_wxSetDictionary must have dictionary object!");
 228         return NULL;
 229     }
 230 #ifdef __WXMOTIF__
 231 #define wxPlatform "__WXMOTIF__"
 232 #endif
 233 #ifdef __WXQT__
 234 #define wxPlatform "__WXQT__"
 235 #endif
 236 #ifdef __WXGTK__
 237 #define wxPlatform "__WXGTK__"
 238 #endif
 239 #if defined(__WIN32__) || defined(__WXMSW__)
 240 #define wxPlatform "__WXMSW__"
 241 #endif
 242 #ifdef __WXMAC__
 243 #define wxPlatform "__WXMAC__"
 244 #endif
 245
 246     PyDict_SetItemString(wxPython_dict, "wxPlatform", PyString_FromString(wxPlatform));
 247
 248     Py_INCREF(Py_None);
 249     return Py_None;
 250 }
 251
 252
 253 //---------------------------------------------------------------------------
 254
 255 PyObject* wxPyConstructObject(void* ptr, char* className)
 256 {
 257     char    buff[64];               // should always be big enough...
 258     char    swigptr[64];
 259
 260     sprintf(buff, "_%s_p", className);
 261     SWIG_MakePtr(swigptr, ptr, buff);
 262
 263     sprintf(buff, "%sPtr", className);
 264     PyObject* classobj = PyDict_GetItemString(wxPython_dict, buff);
 265     if (! classobj) {
 266         Py_INCREF(Py_None);
 267         return Py_None;
 268     }
 269
 270     PyObject* arg = Py_BuildValue("(s)", swigptr);
 271     PyObject* obj = PyInstance_New(classobj, arg, NULL);
 272     Py_DECREF(arg);
 273
 274     return obj;
 275 }
 276
 277
 278
 279 wxPyCallback::wxPyCallback(PyObject* func) {
 280     m_func = func;
 281     Py_INCREF(m_func);
 282 }
 283
 284 wxPyCallback::~wxPyCallback() {
 285 #ifdef WXP_WITH_THREAD
 286     //if (! wxPyInEvent)
 287         PyEval_RestoreThread(wxPyEventThreadState);
 288 #endif
 289
 290     Py_DECREF(m_func);
 291
 292 #ifdef WXP_WITH_THREAD
 293     //if (! wxPyInEvent)
 294         PyEval_SaveThread();
 295 #endif
 296 }
 297
 298
 299
 300
 301 // This function is used for all events destined for Python event handlers.
 302 void wxPyCallback::EventThunker(wxEvent& event) {
 303     wxPyCallback*   cb = (wxPyCallback*)event.m_callbackUserData;
 304     PyObject*       func = cb->m_func;
 305     PyObject*       result;
 306     PyObject*       arg;
 307     PyObject*       tuple;
 308
 309
 310 #ifdef WXP_WITH_THREAD
 311     PyEval_RestoreThread(wxPyEventThreadState);
 312     wxPyInEvent = true;
 313 #endif
 314     arg = wxPyConstructObject((void*)&event, event.GetClassInfo()->GetClassName());
 315
 316     tuple = PyTuple_New(1);
 317     PyTuple_SET_ITEM(tuple, 0, arg);
 318     result = PyEval_CallObject(func, tuple);
 319     Py_DECREF(tuple);
 320     if (result) {
 321         Py_DECREF(result);
 322         PyErr_Clear();
 323     } else {
 324         PyErr_Print();
 325     }
 326 #ifdef WXP_WITH_THREAD
 327     PyEval_SaveThread();
 328     wxPyInEvent = false;
 329 #endif
 330 }
 331
 332
 333 //---------------------------------------------------------------------------
 334
 335 //  wxPyMenu::wxPyMenu(const wxString& title, PyObject* _func)
 336 //      : wxMenu(title, (wxFunction)(func ? MenuCallback : NULL)), func(0) {
 337
 338 //      if (_func) {
 339 //          func = _func;
 340 //          Py_INCREF(func);
 341 //      }
 342 //  }
 343
 344 //  wxPyMenu::~wxPyMenu() {
 345 //  #ifdef WXP_WITH_THREAD
 346 //      //if (! wxPyInEvent)
 347 //          PyEval_RestoreThread(wxPyEventThreadState);
 348 //  #endif
 349
 350 //      if (func)
 351 //          Py_DECREF(func);
 352
 353 //  #ifdef WXP_WITH_THREAD
 354 //      //if (! wxPyInEvent)
 355 //          PyEval_SaveThread();
 356 //  #endif
 357 //  }
 358
 359
 360 //  void wxPyMenu::MenuCallback(wxMenu& menu, wxCommandEvent& evt) {
 361 //      PyObject* evtobj;
 362 //      PyObject* menuobj;
 363 //      PyObject* func;
 364 //      PyObject* args;
 365 //      PyObject* res;
 366
 367 //  #ifdef WXP_WITH_THREAD
 368 //      PyEval_RestoreThread(wxPyEventThreadState);
 369 //      wxPyInEvent = true;
 370 //  #endif
 371 //      evtobj  = wxPyConstructObject((void*)&evt, "wxCommandEvent");
 372 //      menuobj = wxPyConstructObject((void*)&menu, "wxMenu");
 373 //      if (PyErr_Occurred()) {
 374 //          // bail out if a problem
 375 //          PyErr_Print();
 376 //          goto done;
 377 //      }
 378 //      // Now call the callback...
 379 //      func = ((wxPyMenu*)&menu)->func;
 380 //      args = PyTuple_New(2);
 381 //      PyTuple_SET_ITEM(args, 0, menuobj);
 382 //      PyTuple_SET_ITEM(args, 1, evtobj);
 383 //      res  = PyEval_CallObject(func, args);
 384 //      Py_DECREF(args);
 385 //      Py_XDECREF(res); /* In case res is a NULL pointer */
 386 //   done:
 387 //  #ifdef WXP_WITH_THREAD
 388 //      PyEval_SaveThread();
 389 //      wxPyInEvent = false;
 390 //  #endif
 391 //      return;
 392 //  }
 393
 394
 395 //---------------------------------------------------------------------------
 396
 397 wxPyTimer::wxPyTimer(PyObject* callback) {
 398     func = callback;
 399     Py_INCREF(func);
 400 }
 401
 402 wxPyTimer::~wxPyTimer() {
 403 #ifdef WXP_WITH_THREAD
 404     //if (! wxPyInEvent)
 405         PyEval_RestoreThread(wxPyEventThreadState);
 406 #endif
 407
 408     Py_DECREF(func);
 409
 410 #ifdef WXP_WITH_THREAD
 411     //if (! wxPyInEvent)
 412         PyEval_SaveThread();
 413 #endif
 414 }
 415
 416 void wxPyTimer::Notify() {
 417 #ifdef WXP_WITH_THREAD
 418     PyEval_RestoreThread(wxPyEventThreadState);
 419     wxPyInEvent = true;
 420 #endif
 421     PyObject*   result;
 422     PyObject*   args = Py_BuildValue("()");
 423
 424     result = PyEval_CallObject(func, args);
 425     Py_DECREF(args);
 426     if (result) {
 427         Py_DECREF(result);
 428         PyErr_Clear();
 429     } else {
 430         PyErr_Print();
 431     }
 432 #ifdef WXP_WITH_THREAD
 433     PyEval_SaveThread();
 434     wxPyInEvent = false;
 435 #endif
 436 }
 437
 438
 439 //----------------------------------------------------------------------
 440
 441 IMPLEMENT_DYNAMIC_CLASS(wxPyEvent, wxCommandEvent)
 442
 443 wxPyEvent::wxPyEvent(wxEventType commandType, PyObject* userData)
 444     : wxCommandEvent(commandType), m_userData(Py_None)
 445 {
 446     m_userData = userData;
 447     if (m_userData != Py_None) {
 448         Py_INCREF(m_userData);
 449     }
 450 }
 451
 452
 453 wxPyEvent::~wxPyEvent() {
 454 #ifdef WXP_WITH_THREAD
 455     //if (! wxPyInEvent)
 456         PyEval_RestoreThread(wxPyEventThreadState);
 457 #endif
 458     if (m_userData != Py_None) {
 459         Py_DECREF(m_userData);
 460         m_userData = Py_None;
 461     }
 462 #ifdef WXP_WITH_THREAD
 463     //if (! wxPyInEvent)
 464         PyEval_SaveThread();
 465 #endif
 466 }
 467
 468
 469 void wxPyEvent::SetUserData(PyObject* userData) {
 470     if (m_userData != Py_None) {
 471         Py_DECREF(m_userData);
 472         m_userData = Py_None;
 473     }
 474     m_userData = userData;
 475     if (m_userData != Py_None) {
 476         Py_INCREF(m_userData);
 477     }
 478 }
 479
 480
 481 PyObject* wxPyEvent::GetUserData() {
 482     return m_userData;
 483 }
 484
 485 //----------------------------------------------------------------------
 486 //----------------------------------------------------------------------
 487 // Some helper functions for typemaps in my_typemaps.i, so they won't be
 488 // imcluded in every file...
 489
 490
 491 byte* byte_LIST_helper(PyObject* source) {
 492     if (!PyList_Check(source)) {
 493         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
 494         return NULL;
 495     }
 496     int count = PyList_Size(source);
 497     byte* temp = new byte[count];
 498     if (! temp) {
 499         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
 500         return NULL;
 501     }
 502     for (int x=0; x<count; x++) {
 503         PyObject* o = PyList_GetItem(source, x);
 504         if (! PyInt_Check(o)) {
 505             PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
 506             return NULL;
 507         }
 508         temp[x] = (byte)PyInt_AsLong(o);
 509     }
 510     return temp;
 511 }
 512
 513
 514 int* int_LIST_helper(PyObject* source) {
 515     if (!PyList_Check(source)) {
 516         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
 517         return NULL;
 518     }
 519     int count = PyList_Size(source);
 520     int* temp = new int[count];
 521     if (! temp) {
 522         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
 523         return NULL;
 524     }
 525     for (int x=0; x<count; x++) {
 526         PyObject* o = PyList_GetItem(source, x);
 527         if (! PyInt_Check(o)) {
 528             PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
 529             return NULL;
 530         }
 531         temp[x] = PyInt_AsLong(o);
 532     }
 533     return temp;
 534 }
 535
 536
 537 long* long_LIST_helper(PyObject* source) {
 538     if (!PyList_Check(source)) {
 539         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
 540         return NULL;
 541     }
 542     int count = PyList_Size(source);
 543     long* temp = new long[count];
 544     if (! temp) {
 545         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
 546         return NULL;
 547     }
 548     for (int x=0; x<count; x++) {
 549         PyObject* o = PyList_GetItem(source, x);
 550         if (! PyInt_Check(o)) {
 551             PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
 552             return NULL;
 553         }
 554         temp[x] = PyInt_AsLong(o);
 555     }
 556     return temp;
 557 }
 558
 559
 560 char** string_LIST_helper(PyObject* source) {
 561     if (!PyList_Check(source)) {
 562         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
 563         return NULL;
 564     }
 565     int count = PyList_Size(source);
 566     char** temp = new char*[count];
 567     if (! temp) {
 568         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
 569         return NULL;
 570     }
 571     for (int x=0; x<count; x++) {
 572         PyObject* o = PyList_GetItem(source, x);
 573         if (! PyString_Check(o)) {
 574             PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
 575             return NULL;
 576         }
 577         temp[x] = PyString_AsString(o);
 578     }
 579     return temp;
 580 }
 581
 582
 583
 584 wxPoint* wxPoint_LIST_helper(PyObject* source) {
 585     if (!PyList_Check(source)) {
 586         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
 587         return NULL;
 588     }
 589     int count = PyList_Size(source);
 590     wxPoint* temp = new wxPoint[count];
 591     if (! temp) {
 592         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
 593         return NULL;
 594     }
 595     for (int x=0; x<count; x++) {
 596         PyObject* o = PyList_GetItem(source, x);
 597         if (PyString_Check(o)) {
 598             char*       st = PyString_AsString(o);
 599             wxPoint*    pt;
 600             if (SWIG_GetPtr(st,(void **) &pt,"_wxPoint_p")) {
 601                 PyErr_SetString(PyExc_TypeError,"Expected _wxPoint_p.");
 602                 return NULL;
 603             }
 604             temp[x] = *pt;
 605         }
 606         else if (PyTuple_Check(o)) {
 607             PyObject* o1 = PyTuple_GetItem(o, 0);
 608             PyObject* o2 = PyTuple_GetItem(o, 1);
 609
 610             temp[x].x = PyInt_AsLong(o1);
 611             temp[x].y = PyInt_AsLong(o2);
 612         }
 613         else {
 614             PyErr_SetString(PyExc_TypeError, "Expected a list of 2-tuples or wxPoints.");
 615             return NULL;
 616         }
 617     }
 618     return temp;
 619 }
 620
 621
 622 wxBitmap** wxBitmap_LIST_helper(PyObject* source) {
 623     if (!PyList_Check(source)) {
 624         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
 625         return NULL;
 626     }
 627     int count = PyList_Size(source);
 628     wxBitmap** temp = new wxBitmap*[count];
 629     if (! temp) {
 630         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
 631         return NULL;
 632     }
 633     for (int x=0; x<count; x++) {
 634         PyObject* o = PyList_GetItem(source, x);
 635         if (PyString_Check(o)) {
 636             char*       st = PyString_AsString(o);
 637             wxBitmap*    pt;
 638             if (SWIG_GetPtr(st,(void **) &pt,"_wxBitmap_p")) {
 639                 PyErr_SetString(PyExc_TypeError,"Expected _wxBitmap_p.");
 640                 return NULL;
 641             }
 642             temp[x] = pt;
 643         }
 644         else {
 645             PyErr_SetString(PyExc_TypeError, "Expected a list of wxBitmaps.");
 646             return NULL;
 647         }
 648     }
 649     return temp;
 650 }
 651
 652
 653
 654 wxString* wxString_LIST_helper(PyObject* source) {
 655     if (!PyList_Check(source)) {
 656         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
 657         return NULL;
 658     }
 659     int count = PyList_Size(source);
 660     wxString* temp = new wxString[count];
 661     if (! temp) {
 662         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
 663         return NULL;
 664     }
 665     for (int x=0; x<count; x++) {
 666         PyObject* o = PyList_GetItem(source, x);
 667         if (! PyString_Check(o)) {
 668             PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
 669             return NULL;
 670         }
 671         temp[x] = PyString_AsString(o);
 672     }
 673     return temp;
 674 }
 675
 676
 677 wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
 678     if (!PyList_Check(source)) {
 679         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
 680         return NULL;
 681     }
 682     int count                = PyList_Size(source);
 683     wxAcceleratorEntry* temp = new wxAcceleratorEntry[count];
 684     if (! temp) {
 685         PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
 686         return NULL;
 687     }
 688     for (int x=0; x<count; x++) {
 689         PyObject* o = PyList_GetItem(source, x);
 690         if (PyString_Check(o)) {
 691             char*               st = PyString_AsString(o);
 692             wxAcceleratorEntry* ae;
 693             if (SWIG_GetPtr(st,(void **) &ae,"_wxAcceleratorEntry_p")) {
 694                 PyErr_SetString(PyExc_TypeError,"Expected _wxAcceleratorEntry_p.");
 695                 return NULL;
 696             }
 697             temp[x] = *ae;
 698         }
 699         else if (PyTuple_Check(o)) {
 700             PyObject* o1 = PyTuple_GetItem(o, 0);
 701             PyObject* o2 = PyTuple_GetItem(o, 1);
 702             PyObject* o3 = PyTuple_GetItem(o, 2);
 703
 704             temp[x].m_flags   = PyInt_AsLong(o1);
 705             temp[x].m_keyCode = PyInt_AsLong(o2);
 706             temp[x].m_command = PyInt_AsLong(o3);
 707         }
 708         else {
 709             PyErr_SetString(PyExc_TypeError, "Expected a list of 3-tuples or wxAcceleratorEntry objects.");
 710             return NULL;
 711         }
 712     }
 713     return temp;
 714 }
 715
 716
 717
 718 //----------------------------------------------------------------------
 719 //----------------------------------------------------------------------
 720
 721 wxPyCallbackHelper::wxPyCallbackHelper() {
 722     m_self = NULL;
 723     m_lastFound = NULL;
 724 }
 725
 726
 727 wxPyCallbackHelper::~wxPyCallbackHelper() {
 728 #ifdef WXP_WITH_THREAD
 729     PyEval_RestoreThread(wxPyEventThreadState);
 730 #endif
 731
 732     Py_XDECREF(m_self);
 733
 734 #ifdef WXP_WITH_THREAD
 735     PyEval_SaveThread();
 736 #endif
 737 }
 738
 739 void wxPyCallbackHelper::setSelf(PyObject* self) {
 740     m_self = self;
 741     Py_INCREF(m_self);
 742 }
 743
 744
 745
 746 bool wxPyCallbackHelper::findCallback(const wxString& name) {
 747     m_lastFound = NULL;
 748     if (m_self && PyObject_HasAttrString(m_self, (char*)name.c_str()))
 749         m_lastFound = PyObject_GetAttrString(m_self, (char*)name.c_str());
 750
 751     return m_lastFound != NULL;
 752 }
 753
 754
 755 int wxPyCallbackHelper::callCallback(PyObject* argTuple) {
 756     PyObject*   result;
 757     int         retval = FALSE;
 758
 759     result = callCallbackObj(argTuple);
 760     if (result) {                       // Assumes an integer return type...
 761         retval = PyInt_AsLong(result);
 762         Py_DECREF(result);
 763         PyErr_Clear();                  // forget about it if it's not...
 764     }
 765 #ifdef WXP_WITH_THREAD
 766     PyEval_SaveThread();
 767 #endif
 768     return retval;
 769 }
 770
 771 // Invoke the Python callable object, returning the raw PyObject return
 772 // value.  Caller should DECREF the return value and also call PyEval_SaveThread.
 773 PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) {
 774 #ifdef WXP_WITH_THREAD
 775     PyEval_RestoreThread(wxPyEventThreadState);
 776 #endif
 777     PyObject*   result;
 778
 779     result = PyEval_CallObject(m_lastFound, argTuple);
 780     Py_DECREF(argTuple);
 781     if (!result) {
 782         PyErr_Print();
 783     }
 784     return result;
 785 }
 786
 787
 788
 789
 790 //----------------------------------------------------------------------
 791 //----------------------------------------------------------------------
 792 //----------------------------------------------------------------------
 793
 794
 795