src/msw/ole/access.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/ole/access.cpp
   3 // Purpose:     implementation of wxIAccessible and wxAccessible
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     2003-02-12
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 Julian Smart
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21   #pragma implementation "access.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #if defined(__BORLANDC__)
  28   #pragma hdrstop
  29 #endif
  30 #ifndef WX_PRECOMP
  31 #include "wx/window.h"
  32 #endif
  33
  34 #include "wx/setup.h"
  35
  36 #if wxUSE_OLE && wxUSE_ACCESSIBILITY
  37
  38 #include "wx/log.h"
  39 #include "wx/access.h"
  40
  41 #include "wx/msw/wrapwin.h"
  42
  43 // for some compilers, the entire ole2.h must be included, not only oleauto.h
  44 #if wxUSE_NORLANDER_HEADERS || defined(__WATCOMC__)
  45     #include <ole2.h>
  46 #endif
  47
  48 #include <oleauto.h>
  49 #include <oleacc.h>
  50 #include <winable.h>
  51
  52 #include "wx/msw/ole/oleutils.h"
  53
  54 #ifndef CHILDID_SELF
  55 #define CHILDID_SELF 0
  56 #endif
  57
  58 #ifndef OBJID_CLIENT
  59 #define OBJID_CLIENT 0xFFFFFFFC
  60 #endif
  61
  62 // Convert to Windows role
  63 int wxConvertToWindowsRole(wxAccRole wxrole);
  64
  65 // Convert to Windows state
  66 long wxConvertToWindowsState(long wxstate);
  67
  68 // Convert to Windows selection flag
  69 int wxConvertToWindowsSelFlag(wxAccSelectionFlags sel);
  70
  71 // Convert from Windows selection flag
  72 wxAccSelectionFlags wxConvertFromWindowsSelFlag(int sel);
  73
  74 // ----------------------------------------------------------------------------
  75 // wxIEnumVARIANT interface implementation
  76 // ----------------------------------------------------------------------------
  77
  78 class wxIEnumVARIANT : public IEnumVARIANT
  79 {
  80 public:
  81     wxIEnumVARIANT(const wxVariant& variant);
  82     virtual ~wxIEnumVARIANT() { }
  83
  84     DECLARE_IUNKNOWN_METHODS;
  85
  86     // IEnumVARIANT
  87     STDMETHODIMP Next(ULONG celt, VARIANT *rgelt, ULONG *pceltFetched);
  88     STDMETHODIMP Skip(ULONG celt);
  89     STDMETHODIMP Reset();
  90     STDMETHODIMP Clone(IEnumVARIANT **ppenum);
  91
  92 private:
  93     wxVariant m_variant;  // List of further variants
  94     int       m_nCurrent; // Current enum position
  95
  96     DECLARE_NO_COPY_CLASS(wxIEnumVARIANT)
  97 };
  98
  99 // ----------------------------------------------------------------------------
 100 // wxIEnumVARIANT
 101 // ----------------------------------------------------------------------------
 102
 103 BEGIN_IID_TABLE(wxIEnumVARIANT)
 104     ADD_IID(Unknown)
 105     ADD_IID(EnumVARIANT)
 106 END_IID_TABLE;
 107
 108 IMPLEMENT_IUNKNOWN_METHODS(wxIEnumVARIANT)
 109
 110 // wxVariant contains a list of further variants.
 111 wxIEnumVARIANT::wxIEnumVARIANT(const wxVariant& variant)
 112 {
 113     m_variant = variant;
 114 }
 115
 116 STDMETHODIMP wxIEnumVARIANT::Next(ULONG      celt,
 117                                     VARIANT *rgelt,
 118                                     ULONG     *pceltFetched)
 119 {
 120     wxLogTrace(wxTRACE_OleCalls, wxT("wxIEnumVARIANT::Next"));
 121
 122     if ( celt > 1 ) {
 123         // we only return 1 element at a time - mainly because I'm too lazy to
 124         // implement something which you're never asked for anyhow
 125         return S_FALSE;
 126     }
 127
 128     if (m_variant.GetType() != wxT("list"))
 129         return S_FALSE;
 130
 131     if ( m_nCurrent < (int) m_variant.GetList().GetCount() ) {
 132         if (!wxConvertVariantToOle(m_variant[m_nCurrent++], rgelt[0]))
 133         {
 134             return S_FALSE;
 135         }
 136
 137         // TODO: should we AddRef if this is an object?
 138
 139         * pceltFetched = 1;
 140         return S_OK;
 141     }
 142     else {
 143         // bad index
 144         return S_FALSE;
 145     }
 146 }
 147
 148 STDMETHODIMP wxIEnumVARIANT::Skip(ULONG celt)
 149 {
 150     wxLogTrace(wxTRACE_OleCalls, wxT("wxIEnumVARIANT::Skip"));
 151
 152     if (m_variant.GetType() != wxT("list"))
 153         return S_FALSE;
 154
 155     m_nCurrent += celt;
 156     if ( m_nCurrent < (int) m_variant.GetList().GetCount() )
 157         return S_OK;
 158
 159     // no, can't skip this many elements
 160     m_nCurrent -= celt;
 161
 162     return S_FALSE;
 163 }
 164
 165 STDMETHODIMP wxIEnumVARIANT::Reset()
 166 {
 167     wxLogTrace(wxTRACE_OleCalls, wxT("wxIEnumVARIANT::Reset"));
 168
 169     m_nCurrent = 0;
 170
 171     return S_OK;
 172 }
 173
 174 STDMETHODIMP wxIEnumVARIANT::Clone(IEnumVARIANT **ppenum)
 175 {
 176     wxLogTrace(wxTRACE_OleCalls, wxT("wxIEnumVARIANT::Clone"));
 177
 178     wxIEnumVARIANT *pNew = new wxIEnumVARIANT(m_variant);
 179     pNew->AddRef();
 180     *ppenum = pNew;
 181
 182     return S_OK;
 183 }
 184
 185
 186 // ----------------------------------------------------------------------------
 187 // wxIAccessible implementation of IAccessible interface
 188 // ----------------------------------------------------------------------------
 189
 190 class wxIAccessible : public IAccessible
 191 {
 192 public:
 193     wxIAccessible(wxAccessible *pAccessible);
 194
 195     DECLARE_IUNKNOWN_METHODS;
 196
 197 // IAccessible
 198
 199 // Navigation and Hierarchy
 200
 201         // Retrieves the child element or child object at a given point on the screen.
 202         // All visual objects support this method; sound objects do not support it.
 203
 204     STDMETHODIMP accHitTest(long xLeft, long yLeft, VARIANT* pVarID);
 205
 206         // Retrieves the specified object's current screen location. All visual objects must
 207         // support this method; sound objects do not support it.
 208
 209     STDMETHODIMP accLocation ( long* pxLeft, long* pyTop, long* pcxWidth, long* pcyHeight, VARIANT varID);
 210
 211         // Traverses to another user interface element within a container and retrieves the object.
 212         // All visual objects must support this method.
 213
 214     STDMETHODIMP accNavigate ( long navDir, VARIANT varStart, VARIANT* pVarEnd);
 215
 216         // Retrieves the address of an IDispatch interface for the specified child.
 217         // All objects must support this property.
 218
 219     STDMETHODIMP get_accChild ( VARIANT varChildID, IDispatch** ppDispChild);
 220
 221         // Retrieves the number of children that belong to this object.
 222         // All objects must support this property.
 223
 224     STDMETHODIMP get_accChildCount ( long* pCountChildren);
 225
 226         // Retrieves the IDispatch interface of the object's parent.
 227         // All objects support this property.
 228
 229     STDMETHODIMP get_accParent ( IDispatch** ppDispParent);
 230
 231 // Descriptive Properties and Methods
 232
 233         // Performs the object's default action. Not all objects have a default
 234         // action.
 235
 236     STDMETHODIMP accDoDefaultAction(VARIANT varID);
 237
 238         // Retrieves a string that describes the object's default action.
 239         // Not all objects have a default action.
 240
 241     STDMETHODIMP get_accDefaultAction ( VARIANT varID, BSTR* pszDefaultAction);
 242
 243         // Retrieves a string that describes the visual appearance of the specified object.
 244         // Not all objects have a description.
 245
 246     STDMETHODIMP get_accDescription ( VARIANT varID, BSTR* pszDescription);
 247
 248         // Retrieves an object's Help property string.
 249         // Not all objects support this property.
 250
 251     STDMETHODIMP get_accHelp ( VARIANT varID, BSTR* pszHelp);
 252
 253         // Retrieves the full path of the WinHelp file associated with the specified
 254         // object and the identifier of the appropriate topic within that file.
 255         // Not all objects support this property.
 256
 257     STDMETHODIMP get_accHelpTopic ( BSTR* pszHelpFile, VARIANT varChild, long* pidTopic);
 258
 259         // Retrieves the specified object's shortcut key or access key, also known as
 260         // the mnemonic. All objects that have a shortcut key or access key support
 261         // this property.
 262
 263     STDMETHODIMP get_accKeyboardShortcut ( VARIANT varID, BSTR* pszKeyboardShortcut);
 264
 265         // Retrieves the name of the specified object.
 266         // All objects support this property.
 267
 268     STDMETHODIMP get_accName ( VARIANT varID, BSTR* pszName);
 269
 270         // Retrieves information that describes the role of the specified object.
 271         // All objects support this property.
 272
 273     STDMETHODIMP get_accRole ( VARIANT varID, VARIANT* pVarRole);
 274
 275         // Retrieves the current state of the specified object.
 276         // All objects support this property.
 277
 278     STDMETHODIMP get_accState ( VARIANT varID, VARIANT* pVarState);
 279
 280         // Retrieves the value of the specified object.
 281         // Not all objects have a value.
 282
 283     STDMETHODIMP get_accValue ( VARIANT varID, BSTR* pszValue);
 284
 285 // Selection and Focus
 286
 287         // Modifies the selection or moves the keyboard focus of the
 288         // specified object. All objects that select or receive the
 289         // keyboard focus must support this method.
 290
 291     STDMETHODIMP accSelect ( long flagsSelect, VARIANT varID );
 292
 293         // Retrieves the object that has the keyboard focus. All objects
 294         // that receive the keyboard focus must support this property.
 295
 296     STDMETHODIMP get_accFocus ( VARIANT* pVarID);
 297
 298         // Retrieves the selected children of this object. All objects
 299         // selected must support this property.
 300
 301     STDMETHODIMP get_accSelection ( VARIANT * pVarChildren);
 302
 303 // Obsolete
 304
 305     STDMETHODIMP put_accName(VARIANT varChild, BSTR szName) { return E_FAIL; }
 306     STDMETHODIMP put_accValue(VARIANT varChild, BSTR szName) { return E_FAIL; }
 307
 308 // IDispatch
 309
 310         // Get type info
 311
 312     STDMETHODIMP GetTypeInfo(unsigned int typeInfo, LCID lcid, ITypeInfo** ppTypeInfo);
 313
 314         // Get type info count
 315
 316     STDMETHODIMP GetTypeInfoCount(unsigned int* typeInfoCount);
 317
 318         // Get ids of names
 319
 320     STDMETHODIMP GetIDsOfNames(REFIID riid, OLECHAR** names, unsigned int cNames,
 321         LCID lcid, DISPID* dispId);
 322
 323         // Invoke
 324
 325     STDMETHODIMP Invoke(DISPID dispIdMember, REFIID riid, LCID lcid,
 326                         WORD wFlags, DISPPARAMS *pDispParams,
 327                         VARIANT *pVarResult, EXCEPINFO *pExcepInfo,
 328                         unsigned int *puArgErr );
 329
 330 // Helpers
 331
 332     // Gets the standard IAccessible interface for the given child or object.
 333     // Call Release if this is non-NULL.
 334     IAccessible* GetChildStdAccessible(int id);
 335
 336     // Gets the IAccessible interface for the given child or object.
 337     // Call Release if this is non-NULL.
 338     IAccessible* GetChildAccessible(int id);
 339
 340 private:
 341     wxAccessible *m_pAccessible;      // pointer to C++ class we belong to
 342
 343     DECLARE_NO_COPY_CLASS(wxIAccessible)
 344 };
 345
 346 // ============================================================================
 347 // Implementation
 348 // ============================================================================
 349
 350 // ----------------------------------------------------------------------------
 351 // wxIAccessible implementation
 352 // ----------------------------------------------------------------------------
 353 BEGIN_IID_TABLE(wxIAccessible)
 354   ADD_IID(Unknown)
 355   ADD_IID(Accessible)
 356   ADD_IID(Dispatch)
 357 END_IID_TABLE;
 358
 359 IMPLEMENT_IUNKNOWN_METHODS(wxIAccessible)
 360
 361 wxIAccessible::wxIAccessible(wxAccessible *pAccessible)
 362 {
 363     wxASSERT( pAccessible != NULL );
 364
 365     m_pAccessible = pAccessible;
 366 }
 367
 368 // Retrieves the child element or child object at a given point on the screen.
 369 // All visual objects support this method; sound objects do not support it.
 370
 371 STDMETHODIMP wxIAccessible::accHitTest(long xLeft, long yLeft, VARIANT* pVarID)
 372 {
 373     wxLogTrace(wxT("access"), "accHitTest");
 374     wxASSERT (m_pAccessible != NULL);
 375     if (!m_pAccessible)
 376         return E_FAIL;
 377
 378     wxAccessible* childObject = NULL;
 379     int childId = 0;
 380     VariantInit(pVarID);
 381
 382     wxAccStatus status = m_pAccessible->HitTest(wxPoint(xLeft, yLeft), & childId, & childObject);
 383
 384     if (status == wxACC_FAIL)
 385         return E_FAIL;
 386
 387     if (status == wxACC_NOT_IMPLEMENTED)
 388     {
 389         // Use standard interface instead.
 390         IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
 391         if (!stdInterface)
 392             return E_NOTIMPL;
 393         else
 394             return stdInterface->accHitTest(xLeft, yLeft, pVarID);
 395     }
 396
 397     if (childObject)
 398     {
 399         if (childObject == m_pAccessible)
 400         {
 401             pVarID->vt = VT_I4;
 402             pVarID->lVal = CHILDID_SELF;
 403             return S_OK;
 404         }
 405         else
 406         {
 407             wxIAccessible* childIA = childObject->GetIAccessible();
 408             if (!childIA)
 409                 return E_NOTIMPL;
 410
 411                 if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarID->pdispVal) != S_OK)
 412                     return E_FAIL;
 413
 414             pVarID->vt = VT_DISPATCH;
 415             return S_OK;
 416         }
 417     }
 418     else if (childId > 0)
 419     {
 420         pVarID->vt = VT_I4;
 421         pVarID->lVal = childId;
 422         return S_OK;
 423     }
 424     else
 425     {
 426         pVarID->vt = VT_EMPTY;
 427         return S_FALSE;
 428     }
 429
 430     return E_NOTIMPL;
 431 }
 432
 433 // Retrieves the specified object's current screen location. All visual objects must
 434 // support this method; sound objects do not support it.
 435
 436 STDMETHODIMP wxIAccessible::accLocation ( long* pxLeft, long* pyTop, long* pcxWidth, long* pcyHeight, VARIANT varID)
 437 {
 438     wxLogTrace(wxT("access"), "accLocation");
 439     wxASSERT (m_pAccessible != NULL);
 440     if (!m_pAccessible)
 441         return E_FAIL;
 442
 443     wxRect rect;
 444
 445     wxAccStatus status = m_pAccessible->GetLocation(rect, varID.lVal);
 446     if (status == wxACC_FAIL)
 447         return E_FAIL;
 448
 449     if (status == wxACC_NOT_IMPLEMENTED)
 450     {
 451         // Try to use child object directly.
 452         if (varID.lVal > 0)
 453         {
 454             IAccessible* childAccessible = GetChildAccessible(varID.lVal);
 455             if (childAccessible)
 456             {
 457                 varID.lVal = 0;
 458                 HRESULT hResult = childAccessible->accLocation(pxLeft, pyTop, pcxWidth, pcyHeight, varID);
 459                 childAccessible->Release();
 460                 return hResult;
 461             }
 462             else if (m_pAccessible->GetIAccessibleStd())
 463                 return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accLocation(pxLeft, pyTop, pcxWidth, pcyHeight, varID);
 464         }
 465         else if (m_pAccessible->GetIAccessibleStd())
 466             return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accLocation(pxLeft, pyTop, pcxWidth, pcyHeight, varID);
 467     }
 468     else
 469     {
 470         *pxLeft = rect.x;
 471         *pyTop = rect.y;
 472         *pcxWidth = rect.width;
 473         *pcyHeight = rect.height;
 474         return S_OK;
 475     }
 476
 477     return E_NOTIMPL;
 478 }
 479
 480 // Traverses to another user interface element within a container and retrieves the object.
 481 // All visual objects must support this method.
 482
 483 STDMETHODIMP wxIAccessible::accNavigate ( long navDir, VARIANT varStart, VARIANT* pVarEnd)
 484 {
 485     wxASSERT (m_pAccessible != NULL);
 486     if (!m_pAccessible)
 487         return E_FAIL;
 488     wxLogTrace(wxT("access"), wxString(wxT("accNavigate for ")) + m_pAccessible->GetWindow()->GetClassInfo()->GetClassName());
 489
 490     if ((varStart.vt != VT_I4 && varStart.vt != VT_EMPTY) || varStart.vt < 0)
 491     {
 492         wxLogTrace(wxT("access"), "Invalid arg for accNavigate");
 493         return E_INVALIDARG;
 494     }
 495
 496     wxAccessible* elementObject = NULL;
 497     int elementId = 0;
 498     VariantInit(pVarEnd);
 499     wxNavDir navDirWX = wxNAVDIR_FIRSTCHILD;
 500
 501     wxString navStr;
 502
 503     switch (navDir)
 504     {
 505     case NAVDIR_DOWN:
 506         navDirWX = wxNAVDIR_DOWN;
 507         navStr = wxT("wxNAVDIR_DOWN");
 508         break;
 509
 510     case NAVDIR_FIRSTCHILD:
 511         navDirWX = wxNAVDIR_FIRSTCHILD;
 512         navStr = wxT("wxNAVDIR_FIRSTCHILD");
 513         break;
 514
 515     case NAVDIR_LASTCHILD:
 516         navDirWX = wxNAVDIR_LASTCHILD;
 517         navStr = wxT("wxNAVDIR_LASTCHILD");
 518         break;
 519
 520     case NAVDIR_LEFT:
 521         navDirWX = wxNAVDIR_LEFT;
 522         navStr = wxT("wxNAVDIR_LEFT");
 523         break;
 524
 525     case NAVDIR_NEXT:
 526         navDirWX = wxNAVDIR_NEXT;
 527         navStr = wxT("wxNAVDIR_NEXT");
 528         break;
 529
 530     case NAVDIR_PREVIOUS:
 531         navDirWX = wxNAVDIR_PREVIOUS;
 532         navStr = wxT("wxNAVDIR_PREVIOUS");
 533         break;
 534
 535     case NAVDIR_RIGHT:
 536         navDirWX = wxNAVDIR_RIGHT;
 537         navStr = wxT("wxNAVDIR_RIGHT");
 538         break;
 539
 540     case NAVDIR_UP:
 541         navDirWX = wxNAVDIR_UP;
 542         navStr = wxT("wxNAVDIR_UP");
 543         break;
 544     default:
 545         {
 546             wxLogTrace(wxT("access"), wxT("Unknown NAVDIR symbol"));
 547             break;
 548         }
 549     }
 550     wxLogTrace(wxT("access"), navStr);
 551
 552     wxAccStatus status = m_pAccessible->Navigate(navDirWX, varStart.lVal, & elementId,
 553         & elementObject);
 554
 555     if (status == wxACC_FAIL)
 556     {
 557         wxLogTrace(wxT("access"), "wxAccessible::Navigate failed");
 558         return E_FAIL;
 559     }
 560
 561     if (status == wxACC_FALSE)
 562     {
 563         wxLogTrace(wxT("access"), "wxAccessible::Navigate found no object in this direction");
 564         return S_FALSE;
 565     }
 566
 567     if (status == wxACC_NOT_IMPLEMENTED)
 568     {
 569         wxLogTrace(wxT("access"), "Navigate not implemented");
 570
 571         // Try to use child object directly.
 572         if (varStart.vt == VT_I4 && varStart.lVal > 0)
 573         {
 574             IAccessible* childAccessible = GetChildAccessible(varStart.lVal);
 575             if (childAccessible)
 576             {
 577                 varStart.lVal = 0;
 578                 HRESULT hResult = childAccessible->accNavigate(navDir, varStart, pVarEnd);
 579                 childAccessible->Release();
 580                 return hResult;
 581             }
 582             else if (m_pAccessible->GetIAccessibleStd())
 583                 return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accNavigate(navDir, varStart, pVarEnd);
 584         }
 585         else if (m_pAccessible->GetIAccessibleStd())
 586             return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accNavigate(navDir, varStart, pVarEnd);
 587     }
 588     else
 589     {
 590         if (elementObject)
 591         {
 592             wxLogTrace(wxT("access"), "Getting wxIAccessible and calling QueryInterface for Navigate");
 593             wxIAccessible* objectIA = elementObject->GetIAccessible();
 594             if (!objectIA)
 595             {
 596                 wxLogTrace(wxT("access"), "No wxIAccessible");
 597                 return E_FAIL;
 598             }
 599
 600                 HRESULT hResult = objectIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarEnd->pdispVal);
 601             if (hResult != S_OK)
 602             {
 603                 wxLogTrace(wxT("access"), "QueryInterface failed");
 604                     return E_FAIL;
 605             }
 606
 607             wxLogTrace(wxT("access"), "Called QueryInterface for Navigate");
 608             pVarEnd->vt = VT_DISPATCH;
 609             return S_OK;
 610         }
 611         else if (elementId > 0)
 612         {
 613             wxLogTrace(wxT("access"), "Returning element id from Navigate");
 614             pVarEnd->vt = VT_I4;
 615             pVarEnd->lVal = elementId;
 616             return S_OK;
 617         }
 618         else
 619         {
 620             wxLogTrace(wxT("access"), "No object in accNavigate");
 621             pVarEnd->vt = VT_EMPTY;
 622             return S_FALSE;
 623         }
 624     }
 625
 626     wxLogTrace(wxT("access"), "Failing Navigate");
 627     return E_NOTIMPL;
 628 }
 629
 630 // Retrieves the address of an IDispatch interface for the specified child.
 631 // All objects must support this property.
 632
 633 STDMETHODIMP wxIAccessible::get_accChild ( VARIANT varChildID, IDispatch** ppDispChild)
 634 {
 635     wxLogTrace(wxT("access"), "get_accChild");
 636     wxASSERT (m_pAccessible != NULL);
 637     if (!m_pAccessible)
 638         return E_FAIL;
 639
 640     if (varChildID.vt != VT_I4)
 641     {
 642         wxLogTrace(wxT("access"), "Invalid arg for get_accChild");
 643         return E_INVALIDARG;
 644     }
 645
 646     if (varChildID.lVal == CHILDID_SELF)
 647     {
 648         *ppDispChild = this;
 649         AddRef();
 650         return S_OK;
 651     }
 652
 653     wxAccessible* child = NULL;
 654
 655     wxAccStatus status = m_pAccessible->GetChild(varChildID.lVal, & child);
 656     if (status == wxACC_FAIL)
 657     {
 658         wxLogTrace(wxT("access"), "GetChild failed");
 659         return E_FAIL;
 660     }
 661
 662     if (status == wxACC_NOT_IMPLEMENTED)
 663     {
 664         // Use standard interface instead.
 665         IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
 666         if (!stdInterface)
 667             return E_NOTIMPL;
 668         else
 669         {
 670             wxLogTrace(wxT("access"), "Using standard interface for get_accChild");
 671             return stdInterface->get_accChild (varChildID, ppDispChild);
 672         }
 673     }
 674     else
 675     {
 676         if (child)
 677         {
 678             wxIAccessible* objectIA = child->GetIAccessible();
 679             if (!objectIA)
 680                 return E_NOTIMPL;
 681
 682                 if (objectIA->QueryInterface(IID_IDispatch, (LPVOID*) ppDispChild) != S_OK)
 683             {
 684                 wxLogTrace(wxT("access"), "QueryInterface failed in get_accChild");
 685                     return E_FAIL;
 686             }
 687
 688             return S_OK;
 689         }
 690         else
 691         {
 692             wxLogTrace(wxT("access"), "Not an accessible object");
 693             return S_FALSE; // Indicates it's not an accessible object
 694         }
 695     }
 696
 697     return E_NOTIMPL;
 698 }
 699
 700 // Retrieves the number of children that belong to this object.
 701 // All objects must support this property.
 702
 703 STDMETHODIMP wxIAccessible::get_accChildCount ( long* pCountChildren)
 704 {
 705     wxLogTrace(wxT("access"), "get_accChildCount");
 706     wxASSERT (m_pAccessible != NULL);
 707     if (!m_pAccessible)
 708         return E_FAIL;
 709
 710     int childCount = 0;
 711     wxAccStatus status = m_pAccessible->GetChildCount(& childCount);
 712     if (status == wxACC_FAIL)
 713         return E_FAIL;
 714
 715     if (status == wxACC_NOT_IMPLEMENTED)
 716     {
 717         // Use standard interface instead.
 718         IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
 719         if (!stdInterface)
 720             return E_NOTIMPL;
 721         else
 722         {
 723             wxLogTrace(wxT("access"), "Using standard interface for get_accChildCount");
 724             HRESULT res = stdInterface->get_accChildCount (pCountChildren);
 725             wxString str;
 726             str.Printf(wxT("Number of children was %d"), (int) (*pCountChildren));
 727             wxLogTrace(wxT("access"), str);
 728             return res;
 729         }
 730     }
 731     else
 732     {
 733         * pCountChildren = (long) childCount;
 734         return S_OK;
 735     }
 736
 737     return E_NOTIMPL;
 738 }
 739
 740 // Retrieves the IDispatch interface of the object's parent.
 741 // All objects support this property.
 742
 743 STDMETHODIMP wxIAccessible::get_accParent ( IDispatch** ppDispParent)
 744 {
 745     wxLogTrace(wxT("access"), "get_accParent");
 746     wxASSERT (m_pAccessible != NULL);
 747     if (!m_pAccessible)
 748         return E_FAIL;
 749
 750     wxAccessible* parent = NULL;
 751     wxAccStatus status = m_pAccessible->GetParent(& parent);
 752
 753     if (status == wxACC_FAIL)
 754         return E_FAIL;
 755
 756     // It doesn't seem acceptable to return S_FALSE with a NULL
 757     // ppDispParent, so if we have no wxWindows parent, we leave
 758     // it to the standard interface.
 759     if (status == wxACC_NOT_IMPLEMENTED || !parent)
 760     {
 761         wxLogTrace(wxT("access"), "Using standard interface to get the parent.");
 762         // Use standard interface instead.
 763         IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
 764         if (!stdInterface)
 765             return E_NOTIMPL;
 766         else
 767             return stdInterface->get_accParent (ppDispParent);
 768     }
 769     else
 770     {
 771         if (parent)
 772         {
 773             wxIAccessible* objectIA = parent->GetIAccessible();
 774             if (!objectIA)
 775                 return E_FAIL;
 776
 777             wxLogTrace(wxT("access"), "About to call QueryInterface");
 778                 if (objectIA->QueryInterface(IID_IDispatch, (LPVOID*) ppDispParent) != S_OK)
 779             {
 780                 wxLogTrace(wxT("access"), "Failed QueryInterface");
 781                     return E_FAIL;
 782             }
 783
 784             wxLogTrace(wxT("access"), "Returning S_OK for get_accParent");
 785             return S_OK;
 786         }
 787         else
 788         {
 789             // This doesn't seem to be allowed, despite the documentation,
 790             // so we handle it higher up by using the standard interface.
 791             wxLogTrace(wxT("access"), "Returning NULL parent because there was none");
 792             *ppDispParent = NULL;
 793             return S_FALSE;
 794         }
 795     }
 796
 797     return E_NOTIMPL;
 798 }
 799
 800 // Performs the object's default action. Not all objects have a default
 801 // action.
 802
 803 STDMETHODIMP wxIAccessible::accDoDefaultAction(VARIANT varID)
 804 {
 805     wxLogTrace(wxT("access"), "accDoDefaultAction");
 806     wxASSERT (m_pAccessible != NULL);
 807     if (!m_pAccessible)
 808         return E_FAIL;
 809
 810     if (varID.vt != VT_I4)
 811     {
 812         wxLogTrace(wxT("access"), "Invalid arg for accDoDefaultAction");
 813         return E_INVALIDARG;
 814     }
 815
 816     wxAccStatus status = m_pAccessible->DoDefaultAction(varID.lVal);
 817     if (status == wxACC_FAIL)
 818         return E_FAIL;
 819
 820     if (status == wxACC_NOT_SUPPORTED)
 821         return DISP_E_MEMBERNOTFOUND;
 822
 823     if (status == wxACC_NOT_IMPLEMENTED)
 824     {
 825         // Try to use child object directly.
 826         if (varID.lVal > 0)
 827         {
 828             IAccessible* childAccessible = GetChildAccessible(varID.lVal);
 829             if (childAccessible)
 830             {
 831                 varID.lVal = 0;
 832                 HRESULT hResult = childAccessible->accDoDefaultAction(varID);
 833                 childAccessible->Release();
 834                 return hResult;
 835             }
 836             else if (m_pAccessible->GetIAccessibleStd())
 837                 return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accDoDefaultAction(varID);
 838         }
 839         else if (m_pAccessible->GetIAccessibleStd())
 840             return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accDoDefaultAction(varID);
 841     }
 842     return E_FAIL;
 843 }
 844
 845 // Retrieves a string that describes the object's default action.
 846 // Not all objects have a default action.
 847
 848 STDMETHODIMP wxIAccessible::get_accDefaultAction ( VARIANT varID, BSTR* pszDefaultAction)
 849 {
 850     wxLogTrace(wxT("access"), "get_accDefaultAction");
 851     wxASSERT (m_pAccessible != NULL);
 852     if (!m_pAccessible)
 853         return E_FAIL;
 854
 855     if (varID.vt != VT_I4)
 856     {
 857         wxLogTrace(wxT("access"), "Invalid arg for get_accDefaultAction");
 858         return E_INVALIDARG;
 859     }
 860
 861     wxString defaultAction;
 862     wxAccStatus status = m_pAccessible->GetDefaultAction(varID.lVal, & defaultAction);
 863     if (status == wxACC_FAIL)
 864         return E_FAIL;
 865
 866     if (status == wxACC_NOT_SUPPORTED)
 867         return DISP_E_MEMBERNOTFOUND;
 868
 869     if (status == wxACC_NOT_IMPLEMENTED)
 870     {
 871         // Try to use child object directly.
 872         if (varID.lVal > 0)
 873         {
 874             IAccessible* childAccessible = GetChildAccessible(varID.lVal);
 875             if (childAccessible)
 876             {
 877                 varID.lVal = 0;
 878                 HRESULT hResult = childAccessible->get_accDefaultAction(varID, pszDefaultAction);
 879                 childAccessible->Release();
 880                 return hResult;
 881             }
 882             else if (m_pAccessible->GetIAccessibleStd())
 883                 return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accDefaultAction(varID, pszDefaultAction);
 884         }
 885         else if (m_pAccessible->GetIAccessibleStd())
 886             return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accDefaultAction(varID, pszDefaultAction);
 887     }
 888     else
 889     {
 890         if (defaultAction.IsEmpty())
 891         {
 892             * pszDefaultAction = NULL;
 893             return S_FALSE;
 894         }
 895         else
 896         {
 897             wxBasicString basicString(defaultAction);
 898             * pszDefaultAction = basicString.Get();
 899             return S_OK;
 900         }
 901     }
 902     return E_FAIL;
 903 }
 904
 905 // Retrieves a string that describes the visual appearance of the specified object.
 906 // Not all objects have a description.
 907
 908 STDMETHODIMP wxIAccessible::get_accDescription ( VARIANT varID, BSTR* pszDescription)
 909 {
 910     wxLogTrace(wxT("access"), "get_accDescription");
 911     wxASSERT (m_pAccessible != NULL);
 912     if (!m_pAccessible)
 913         return E_FAIL;
 914
 915     if (varID.vt != VT_I4)
 916     {
 917         wxLogTrace(wxT("access"), "Invalid arg for get_accDescription");
 918         return E_INVALIDARG;
 919     }
 920
 921     wxString description;
 922     wxAccStatus status = m_pAccessible->GetDescription(varID.lVal, & description);
 923     if (status == wxACC_FAIL)
 924         return E_FAIL;
 925
 926     if (status == wxACC_NOT_IMPLEMENTED)
 927     {
 928         // Try to use child object directly.
 929         if (varID.lVal > 0)
 930         {
 931             IAccessible* childAccessible = GetChildAccessible(varID.lVal);
 932             if (childAccessible)
 933             {
 934                 varID.lVal = 0;
 935                 HRESULT hResult = childAccessible->get_accDescription(varID, pszDescription);
 936                 childAccessible->Release();
 937                 return hResult;
 938             }
 939             else if (m_pAccessible->GetIAccessibleStd())
 940                 return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accDescription(varID, pszDescription);
 941         }
 942         else if (m_pAccessible->GetIAccessibleStd())
 943             return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accDescription(varID, pszDescription);
 944     }
 945     else
 946     {
 947         if (description.IsEmpty())
 948         {
 949             * pszDescription = NULL;
 950             return S_FALSE;
 951         }
 952         else
 953         {
 954             wxBasicString basicString(description);
 955             * pszDescription = basicString.Get();
 956             return S_OK;
 957         }
 958     }
 959     return E_NOTIMPL;
 960 }
 961
 962 // Retrieves an object's Help property string.
 963 // Not all objects support this property.
 964
 965 STDMETHODIMP wxIAccessible::get_accHelp ( VARIANT varID, BSTR* pszHelp)
 966 {
 967     wxLogTrace(wxT("access"), "get_accHelp");
 968     wxASSERT (m_pAccessible != NULL);
 969     if (!m_pAccessible)
 970         return E_FAIL;
 971
 972     if (varID.vt != VT_I4)
 973     {
 974         wxLogTrace(wxT("access"), "Invalid arg for get_accHelp");
 975         return E_INVALIDARG;
 976     }
 977
 978     wxString helpString;
 979     wxAccStatus status = m_pAccessible->GetHelpText(varID.lVal, & helpString);
 980     if (status == wxACC_FAIL)
 981         return E_FAIL;
 982
 983     if (status == wxACC_NOT_IMPLEMENTED)
 984     {
 985         // Try to use child object directly.
 986         if (varID.lVal > 0)
 987         {
 988             IAccessible* childAccessible = GetChildAccessible(varID.lVal);
 989             if (childAccessible)
 990             {
 991                 varID.lVal = 0;
 992                 HRESULT hResult = childAccessible->get_accHelp(varID, pszHelp);
 993                 childAccessible->Release();
 994                 return hResult;
 995             }
 996             else if (m_pAccessible->GetIAccessibleStd())
 997                 return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accHelp(varID, pszHelp);
 998         }
 999         else if (m_pAccessible->GetIAccessibleStd())
1000             return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accHelp (varID, pszHelp);
1001     }
1002     else
1003     {
1004         if (helpString.IsEmpty())
1005         {
1006             * pszHelp = NULL;
1007             return S_FALSE;
1008         }
1009         else
1010         {
1011             wxBasicString basicString(helpString);
1012             * pszHelp = basicString.Get();
1013             return S_OK;
1014         }
1015     }
1016     return E_NOTIMPL;
1017 }
1018
1019 // Retrieves the full path of the WinHelp file associated with the specified
1020 // object and the identifier of the appropriate topic within that file.
1021 // Not all objects support this property.
1022 // NOTE: not supported by wxWindows at this time. Use
1023 // GetHelpText instead.
1024
1025 STDMETHODIMP wxIAccessible::get_accHelpTopic ( BSTR* pszHelpFile, VARIANT varChild, long* pidTopic)
1026 {
1027     wxLogTrace(wxT("access"), "get_accHelpTopic");
1028     wxASSERT (m_pAccessible != NULL);
1029     if (!m_pAccessible)
1030         return E_FAIL;
1031
1032     if (varChild.vt != VT_I4)
1033     {
1034         wxLogTrace(wxT("access"), "Invalid arg for get_accHelpTopic");
1035         return E_INVALIDARG;
1036     }
1037
1038     wxAccStatus status = wxACC_NOT_IMPLEMENTED;
1039     if (status == wxACC_FAIL)
1040         return E_FAIL;
1041
1042     if (status == wxACC_NOT_IMPLEMENTED)
1043     {
1044         // Try to use child object directly.
1045         if (varChild.lVal > 0)
1046         {
1047             IAccessible* childAccessible = GetChildAccessible(varChild.lVal);
1048             if (childAccessible)
1049             {
1050                 varChild.lVal = 0;
1051                 HRESULT hResult = childAccessible->get_accHelpTopic(pszHelpFile, varChild, pidTopic);
1052                 childAccessible->Release();
1053                 return hResult;
1054             }
1055             else if (m_pAccessible->GetIAccessibleStd())
1056                 return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accHelpTopic(pszHelpFile, varChild, pidTopic);
1057         }
1058         else if (m_pAccessible->GetIAccessibleStd())
1059             return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accHelpTopic (pszHelpFile, varChild, pidTopic);
1060     }
1061     return E_NOTIMPL;
1062 }
1063
1064 // Retrieves the specified object's shortcut key or access key, also known as
1065 // the mnemonic. All objects that have a shortcut key or access key support
1066 // this property.
1067
1068 STDMETHODIMP wxIAccessible::get_accKeyboardShortcut ( VARIANT varID, BSTR* pszKeyboardShortcut)
1069 {
1070     wxLogTrace(wxT("access"), "get_accKeyboardShortcut");
1071     *pszKeyboardShortcut = NULL;
1072
1073     wxASSERT (m_pAccessible != NULL);
1074     if (!m_pAccessible)
1075         return E_FAIL;
1076
1077     if (varID.vt != VT_I4)
1078     {
1079         wxLogTrace(wxT("access"), "Invalid arg for get_accKeyboardShortcut");
1080         return E_INVALIDARG;
1081     }
1082
1083     wxString keyboardShortcut;
1084     wxAccStatus status = m_pAccessible->GetKeyboardShortcut(varID.lVal, & keyboardShortcut);
1085     if (status == wxACC_FAIL)
1086         return E_FAIL;
1087
1088     if (status == wxACC_NOT_IMPLEMENTED)
1089     {
1090         // Try to use child object directly.
1091         if (varID.lVal > 0)
1092         {
1093             IAccessible* childAccessible = GetChildAccessible(varID.lVal);
1094             if (childAccessible)
1095             {
1096                 varID.lVal = 0;
1097                 HRESULT hResult = childAccessible->get_accKeyboardShortcut(varID, pszKeyboardShortcut);
1098                 childAccessible->Release();
1099                 return hResult;
1100             }
1101             else if (m_pAccessible->GetIAccessibleStd())
1102                 return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accKeyboardShortcut(varID, pszKeyboardShortcut);
1103         }
1104         else if (m_pAccessible->GetIAccessibleStd())
1105             return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accKeyboardShortcut (varID, pszKeyboardShortcut);
1106     }
1107     else
1108     {
1109         if (keyboardShortcut.IsEmpty())
1110         {
1111             * pszKeyboardShortcut = NULL;
1112             return S_FALSE;
1113         }
1114         else
1115         {
1116             wxBasicString basicString(keyboardShortcut);
1117             * pszKeyboardShortcut = basicString.Get();
1118             return S_OK;
1119         }
1120     }
1121     return E_NOTIMPL;
1122 }
1123
1124 // Retrieves the name of the specified object.
1125 // All objects support this property.
1126
1127 STDMETHODIMP wxIAccessible::get_accName ( VARIANT varID, BSTR* pszName)
1128 {
1129     wxLogTrace(wxT("access"), "get_accName");
1130     *pszName = NULL;
1131
1132     wxASSERT (m_pAccessible != NULL);
1133     if (!m_pAccessible)
1134         return E_FAIL;
1135
1136     if (varID.vt != VT_I4)
1137     {
1138         wxLogTrace(wxT("access"), "Invalid arg for get_accName");
1139         return E_INVALIDARG;
1140     }
1141
1142     wxString name;
1143
1144     wxAccStatus status = m_pAccessible->GetName(varID.lVal, & name);
1145
1146     if (status == wxACC_FAIL)
1147         return E_FAIL;
1148
1149     if (status == wxACC_NOT_IMPLEMENTED)
1150     {
1151         // Try to use child object directly.
1152         if (varID.lVal > 0)
1153         {
1154             IAccessible* childAccessible = GetChildAccessible(varID.lVal);
1155             if (childAccessible)
1156             {
1157                 varID.lVal = 0;
1158                 HRESULT hResult = childAccessible->get_accName(varID, pszName);
1159                 childAccessible->Release();
1160                 return hResult;
1161             }
1162             else if (m_pAccessible->GetIAccessibleStd())
1163                 return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accName(varID, pszName);
1164         }
1165         else if (m_pAccessible->GetIAccessibleStd())
1166             return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accName (varID, pszName);
1167     }
1168     else
1169     {
1170         wxBasicString basicString(name);
1171         *pszName = basicString.Get();
1172         return S_OK;
1173     }
1174     return E_NOTIMPL;
1175 }
1176
1177 // Retrieves information that describes the role of the specified object.
1178 // All objects support this property.
1179
1180 STDMETHODIMP wxIAccessible::get_accRole ( VARIANT varID, VARIANT* pVarRole)
1181 {
1182     wxLogTrace(wxT("access"), "get_accRole");
1183     wxASSERT (m_pAccessible != NULL);
1184     if (!m_pAccessible)
1185         return E_FAIL;
1186
1187     if (varID.vt != VT_I4)
1188     {
1189         wxLogTrace(wxT("access"), "Invalid arg for get_accRole");
1190         return E_INVALIDARG;
1191     }
1192
1193     VariantInit(pVarRole);
1194
1195     wxAccRole role = wxROLE_NONE;
1196
1197     wxAccStatus status = m_pAccessible->GetRole(varID.lVal, & role);
1198
1199     if (status == wxACC_FAIL)
1200         return E_FAIL;
1201
1202     if (status == wxACC_NOT_IMPLEMENTED)
1203     {
1204         // Try to use child object directly.
1205         if (varID.lVal > 0)
1206         {
1207             IAccessible* childAccessible = GetChildAccessible(varID.lVal);
1208             if (childAccessible)
1209             {
1210                 varID.lVal = 0;
1211                 HRESULT hResult = childAccessible->get_accRole(varID, pVarRole);
1212                 childAccessible->Release();
1213                 return hResult;
1214             }
1215             else if (m_pAccessible->GetIAccessibleStd())
1216                 return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accRole(varID, pVarRole);
1217         }
1218         else if (m_pAccessible->GetIAccessibleStd())
1219             return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accRole (varID, pVarRole);
1220     }
1221     else
1222     {
1223         if (role == wxROLE_NONE)
1224         {
1225             pVarRole->vt = VT_EMPTY;
1226             return S_OK;
1227         }
1228
1229         pVarRole->lVal = wxConvertToWindowsRole(role);
1230         pVarRole->vt = VT_I4;
1231
1232         return S_OK;
1233     }
1234     return E_NOTIMPL;
1235 }
1236
1237 // Retrieves the current state of the specified object.
1238 // All objects support this property.
1239
1240 STDMETHODIMP wxIAccessible::get_accState ( VARIANT varID, VARIANT* pVarState)
1241 {
1242     wxLogTrace(wxT("access"), "get_accState");
1243     wxASSERT (m_pAccessible != NULL);
1244     if (!m_pAccessible)
1245         return E_FAIL;
1246
1247     if (varID.vt != VT_I4 && varID.vt != VT_EMPTY)
1248     {
1249         wxLogTrace(wxT("access"), "Invalid arg for get_accState");
1250         return E_INVALIDARG;
1251     }
1252
1253     long wxstate = 0;
1254
1255     wxAccStatus status = m_pAccessible->GetState(varID.lVal, & wxstate);
1256     if (status == wxACC_FAIL)
1257         return E_FAIL;
1258
1259     if (status == wxACC_NOT_IMPLEMENTED)
1260     {
1261         // Try to use child object directly.
1262         if (varID.lVal > 0)
1263         {
1264             IAccessible* childAccessible = GetChildAccessible(varID.lVal);
1265             if (childAccessible)
1266             {
1267                 varID.lVal = 0;
1268                 HRESULT hResult = childAccessible->get_accState(varID, pVarState);
1269                 childAccessible->Release();
1270                 return hResult;
1271             }
1272             else if (m_pAccessible->GetIAccessibleStd())
1273                 return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accState(varID, pVarState);
1274         }
1275         else if (m_pAccessible->GetIAccessibleStd())
1276             return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accState (varID, pVarState);
1277     }
1278     else
1279     {
1280         long state = wxConvertToWindowsState(wxstate);
1281         pVarState->lVal = state;
1282         pVarState->vt = VT_I4;
1283         return S_OK;
1284     }
1285     return E_NOTIMPL;
1286 }
1287
1288 // Retrieves the value of the specified object.
1289 // Not all objects have a value.
1290
1291 STDMETHODIMP wxIAccessible::get_accValue ( VARIANT varID, BSTR* pszValue)
1292 {
1293     wxLogTrace(wxT("access"), "get_accValue");
1294     wxASSERT (m_pAccessible != NULL);
1295     if (!m_pAccessible)
1296         return E_FAIL;
1297
1298     if (varID.vt != VT_I4)
1299     {
1300         wxLogTrace(wxT("access"), "Invalid arg for get_accValue");
1301         return E_INVALIDARG;
1302     }
1303
1304     wxString strValue;
1305
1306     wxAccStatus status = m_pAccessible->GetValue(varID.lVal, & strValue);
1307
1308     if (status == wxACC_FAIL)
1309         return E_FAIL;
1310
1311     if (status == wxACC_NOT_IMPLEMENTED)
1312     {
1313         // Try to use child object directly.
1314         if (varID.lVal > 0)
1315         {
1316             IAccessible* childAccessible = GetChildAccessible(varID.lVal);
1317             if (childAccessible)
1318             {
1319                 varID.lVal = 0;
1320                 HRESULT hResult = childAccessible->get_accValue(varID, pszValue);
1321                 childAccessible->Release();
1322                 return hResult;
1323             }
1324             else if (m_pAccessible->GetIAccessibleStd())
1325                 return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accValue(varID, pszValue);
1326         }
1327         else if (m_pAccessible->GetIAccessibleStd())
1328             return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accValue (varID, pszValue);
1329     }
1330     else
1331     {
1332         wxBasicString basicString(strValue);
1333         * pszValue = basicString.Get();
1334         return S_OK;
1335     }
1336     return E_NOTIMPL;
1337 }
1338
1339 // Modifies the selection or moves the keyboard focus of the
1340 // specified object. All objects that select or receive the
1341 // keyboard focus must support this method.
1342
1343 STDMETHODIMP wxIAccessible::accSelect ( long flagsSelect, VARIANT varID )
1344 {
1345     wxLogTrace(wxT("access"), "get_accSelect");
1346     wxASSERT (m_pAccessible != NULL);
1347     if (!m_pAccessible)
1348         return E_FAIL;
1349
1350     if (varID.vt != VT_I4 && varID.vt != VT_EMPTY)
1351     {
1352         wxLogTrace(wxT("access"), "Invalid arg for accSelect");
1353         return E_INVALIDARG;
1354     }
1355
1356     wxAccSelectionFlags wxsel = wxConvertFromWindowsSelFlag(flagsSelect);
1357
1358     wxAccStatus status = m_pAccessible->Select(varID.lVal, wxsel);
1359     if (status == wxACC_FAIL)
1360         return E_FAIL;
1361
1362     if (status == wxACC_NOT_IMPLEMENTED)
1363     {
1364         // Try to use child object directly.
1365         if (varID.lVal > 0 && varID.lVal > 0)
1366         {
1367             IAccessible* childAccessible = GetChildAccessible(varID.lVal);
1368             if (childAccessible)
1369             {
1370                 varID.lVal = 0;
1371                 HRESULT hResult = childAccessible->accSelect(flagsSelect, varID);
1372                 childAccessible->Release();
1373                 return hResult;
1374             }
1375             else if (m_pAccessible->GetIAccessibleStd())
1376                 return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accSelect(flagsSelect, varID);
1377         }
1378         else if (m_pAccessible->GetIAccessibleStd())
1379             return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accSelect(flagsSelect, varID);
1380     }
1381     else
1382         return S_OK;
1383
1384     return E_NOTIMPL;
1385 }
1386
1387 // Retrieves the object that has the keyboard focus. All objects
1388 // that receive the keyboard focus must support this property.
1389
1390 STDMETHODIMP wxIAccessible::get_accFocus ( VARIANT* pVarID)
1391 {
1392     wxLogTrace(wxT("access"), "get_accFocus");
1393     wxASSERT (m_pAccessible != NULL);
1394     if (!m_pAccessible)
1395         return E_FAIL;
1396
1397     wxAccessible* childObject = NULL;
1398     int childId = 0;
1399     VariantInit(pVarID);
1400
1401     wxAccStatus status = m_pAccessible->GetFocus(& childId, & childObject);
1402     if (status == wxACC_FAIL)
1403         return E_FAIL;
1404
1405     if (status == wxACC_NOT_IMPLEMENTED)
1406     {
1407         // Use standard interface instead.
1408         IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
1409         if (!stdInterface)
1410             return E_NOTIMPL;
1411         else
1412             return stdInterface->get_accFocus (pVarID);
1413     }
1414     if (childObject)
1415     {
1416         if (childObject == m_pAccessible)
1417         {
1418             pVarID->vt = VT_I4;
1419             pVarID->lVal = CHILDID_SELF;
1420             return S_OK;        }
1421         else
1422         {
1423             wxIAccessible* childIA = childObject->GetIAccessible();
1424             if (!childIA)
1425                 return E_NOTIMPL;
1426
1427                 if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarID->pdispVal) != S_OK)
1428                     return E_FAIL;
1429
1430             pVarID->vt = VT_DISPATCH;
1431             return S_OK;
1432         }
1433     }
1434     else if (childId > 0)
1435     {
1436         pVarID->vt = VT_I4;
1437         pVarID->lVal = childId;
1438         return S_OK;
1439     }
1440     else
1441     {
1442         pVarID->vt = VT_EMPTY;
1443         return S_FALSE;
1444     }
1445
1446     return E_NOTIMPL;
1447 }
1448
1449 // Retrieves the selected children of this object. All objects
1450 // selected must support this property.
1451
1452 STDMETHODIMP wxIAccessible::get_accSelection ( VARIANT * pVarChildren)
1453 {
1454     wxLogTrace(wxT("access"), "get_accSelection");
1455     wxASSERT (m_pAccessible != NULL);
1456     if (!m_pAccessible)
1457         return E_FAIL;
1458
1459     VariantInit(pVarChildren);
1460
1461     wxVariant selections;
1462     wxAccStatus status = m_pAccessible->GetSelections(& selections);
1463     if (status == wxACC_FAIL)
1464         return E_FAIL;
1465
1466     if (status == wxACC_NOT_IMPLEMENTED)
1467     {
1468         // Use standard interface instead.
1469         IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
1470         if (!stdInterface)
1471             return E_NOTIMPL;
1472         else
1473             return stdInterface->get_accSelection (pVarChildren);
1474     }
1475     else
1476     {
1477         if (selections.GetType() == wxT("long"))
1478         {
1479             pVarChildren->vt = VT_I4;
1480             pVarChildren->lVal = selections.GetLong();
1481
1482             return S_OK;
1483         }
1484         else if (selections.GetType() == wxT("void*"))
1485         {
1486             wxAccessible* childObject = (wxAccessible*) selections.GetVoidPtr();
1487             wxIAccessible* childIA = childObject->GetIAccessible();
1488             if (!childIA)
1489                 return E_NOTIMPL;
1490
1491                 if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarChildren->pdispVal) != S_OK)
1492                     return E_FAIL;
1493
1494             pVarChildren->vt = VT_DISPATCH;
1495
1496             return S_OK;
1497         }
1498         else if (selections.GetType() == wxT("list"))
1499         {
1500             // TODO: should we AddRef for every "void*" member??
1501
1502             wxIEnumVARIANT* enumVariant = new wxIEnumVARIANT(selections);
1503             enumVariant->AddRef();
1504
1505             pVarChildren->vt = VT_UNKNOWN;
1506             pVarChildren->punkVal = enumVariant;
1507
1508             return S_OK;
1509         }
1510     }
1511
1512     return E_NOTIMPL;
1513 }
1514
1515 // Get type info
1516
1517 STDMETHODIMP wxIAccessible::GetTypeInfo(unsigned int typeInfo, LCID lcid, ITypeInfo** ppTypeInfo)
1518 {
1519     *ppTypeInfo = NULL;
1520     return E_NOTIMPL;
1521 }
1522
1523 // Get type info count
1524
1525 STDMETHODIMP wxIAccessible::GetTypeInfoCount(unsigned int* typeInfoCount)
1526 {
1527     *typeInfoCount = 0;
1528     return E_NOTIMPL;
1529 }
1530
1531 // Get ids of names
1532
1533 STDMETHODIMP wxIAccessible::GetIDsOfNames(REFIID riid, OLECHAR** names, unsigned int cNames,
1534         LCID lcid, DISPID* dispId)
1535 {
1536     return E_NOTIMPL;
1537 }
1538
1539 // Invoke
1540
1541 STDMETHODIMP wxIAccessible::Invoke(DISPID dispIdMember, REFIID riid, LCID lcid,
1542                         WORD wFlags, DISPPARAMS *pDispParams,
1543                         VARIANT *pVarResult, EXCEPINFO *pExcepInfo,
1544                         unsigned int *puArgErr )
1545 {
1546     return E_NOTIMPL;
1547 }
1548
1549 // Gets the standard IAccessible interface for the given child or object.
1550 // Call Release if this is non-NULL.
1551 IAccessible* wxIAccessible::GetChildStdAccessible(int id)
1552 {
1553     if (id == 0)
1554     {
1555         IAccessible* obj = (IAccessible*)m_pAccessible->GetIAccessibleStd();
1556
1557         obj->AddRef();
1558         return obj;
1559     }
1560     else
1561     {
1562         VARIANT var;
1563         VariantInit(& var);
1564         var.vt = VT_I4;
1565         var.lVal = id;
1566         IDispatch* pDispatch = NULL;
1567         if (S_OK == get_accChild ( var, & pDispatch))
1568         {
1569             IAccessible* childAccessible = NULL;
1570             if (pDispatch->QueryInterface(IID_IAccessible, (LPVOID*) & childAccessible) == S_OK)
1571             {
1572                 pDispatch->Release();
1573                 wxIAccessible* c = (wxIAccessible*) childAccessible;
1574                 IAccessible* stdChildAccessible = (IAccessible*) c->m_pAccessible->GetIAccessibleStd();
1575                 stdChildAccessible->AddRef();
1576                 childAccessible->Release();
1577                 return stdChildAccessible;
1578             }
1579             else
1580             {
1581                 pDispatch->Release();
1582             }
1583         }
1584     }
1585
1586 #if 0
1587     {
1588         // Loop until we find the right id
1589         long nChildren = 0;
1590         this->get_accChildCount(& nChildren);
1591
1592         int i;
1593         for (i = 0; i < nChildren; i++)
1594         {
1595             long obtained = 0;
1596             VARIANT var;
1597             VariantInit(& var);
1598             var.vt = VT_I4;
1599             if (S_OK == AccessibleChildren(this, i, 1, & var, &obtained))
1600             {
1601                 if (var.lVal == id)
1602                 {
1603                     VariantInit(& var);
1604                     var.vt = VT_DISPATCH;
1605                     if (S_OK == AccessibleChildren(this, i, 1, & var, &obtained))
1606                     {
1607                         IAccessible* childAccessible = NULL;
1608                         if (var.pdispVal->QueryInterface(IID_IAccessible, (LPVOID*) & childAccessible) == S_OK)
1609                         {
1610                             var.pdispVal->Release();
1611                             return childAccessible;
1612                         }
1613                         else
1614                         {
1615                             var.pdispVal->Release();
1616                         }
1617                     }
1618                 }
1619                 break;
1620             }
1621         }
1622     }
1623 #endif
1624     return NULL;
1625 }
1626
1627 // Gets the IAccessible interface for the given child or object.
1628 // Call Release if this is non-NULL.
1629 IAccessible* wxIAccessible::GetChildAccessible(int id)
1630 {
1631     if (id == 0)
1632     {
1633         IAccessible* obj = this;
1634
1635         obj->AddRef();
1636         return obj;
1637     }
1638     else
1639     {
1640         VARIANT var;
1641         VariantInit(& var);
1642         var.vt = VT_I4;
1643         var.lVal = id;
1644         IDispatch* pDispatch = NULL;
1645         if (S_OK == get_accChild ( var, & pDispatch))
1646         {
1647             IAccessible* childAccessible = NULL;
1648             if (pDispatch->QueryInterface(IID_IAccessible, (LPVOID*) & childAccessible) == S_OK)
1649             {
1650                 pDispatch->Release();
1651                 return childAccessible;
1652             }
1653             else
1654             {
1655                 pDispatch->Release();
1656             }
1657         }
1658     }
1659     return NULL;
1660 }
1661
1662 // ----------------------------------------------------------------------------
1663 // wxAccessible implementation
1664 // ----------------------------------------------------------------------------
1665
1666 // ctors
1667
1668 // common part of all ctors
1669 void wxAccessible::Init()
1670 {
1671     m_pIAccessibleStd = NULL;
1672     m_pIAccessible = new wxIAccessible(this);
1673     m_pIAccessible->AddRef();
1674 }
1675
1676 wxAccessible::wxAccessible(wxWindow* win)
1677             : wxAccessibleBase(win)
1678 {
1679     Init();
1680 }
1681
1682 wxAccessible::~wxAccessible()
1683 {
1684     m_pIAccessible->Release();
1685     if (m_pIAccessibleStd)
1686         ((IAccessible*)m_pIAccessibleStd)->Release();
1687 }
1688
1689 // Gets or creates a standard interface for this object.
1690 void* wxAccessible::GetIAccessibleStd()
1691 {
1692     if (m_pIAccessibleStd)
1693         return m_pIAccessibleStd;
1694
1695     if (GetWindow())
1696     {
1697         HRESULT retCode = ::CreateStdAccessibleObject((HWND) GetWindow()->GetHWND(),
1698                 OBJID_CLIENT, IID_IAccessible, (void**) & m_pIAccessibleStd);
1699         if (retCode == S_OK)
1700             return m_pIAccessibleStd;
1701         else
1702         {
1703             m_pIAccessibleStd = NULL;
1704             return NULL;
1705         }
1706     }
1707     return NULL;
1708 }
1709
1710 // Sends an event when something changes in an accessible object.
1711 void wxAccessible::NotifyEvent(int eventType, wxWindow* window, wxAccObject objectType,
1712                         int objectId)
1713 {
1714     ::NotifyWinEvent((DWORD) eventType, (HWND) window->GetHWND(),
1715         (LONG) objectType, (LONG) objectId);
1716 }
1717
1718 // Utilities
1719
1720 // Convert to Windows role
1721 int wxConvertToWindowsRole(wxAccRole wxrole)
1722 {
1723     switch (wxrole)
1724     {
1725     case wxROLE_SYSTEM_ALERT:
1726         return ROLE_SYSTEM_ALERT;
1727     case wxROLE_SYSTEM_ANIMATION:
1728         return ROLE_SYSTEM_ANIMATION;
1729     case wxROLE_SYSTEM_APPLICATION:
1730         return ROLE_SYSTEM_APPLICATION;
1731     case wxROLE_SYSTEM_BORDER:
1732         return ROLE_SYSTEM_BORDER;
1733     case wxROLE_SYSTEM_BUTTONDROPDOWN:
1734         return ROLE_SYSTEM_BUTTONDROPDOWN;
1735     case wxROLE_SYSTEM_BUTTONDROPDOWNGRID:
1736         return ROLE_SYSTEM_BUTTONDROPDOWNGRID;
1737     case wxROLE_SYSTEM_BUTTONMENU:
1738         return ROLE_SYSTEM_BUTTONMENU;
1739     case wxROLE_SYSTEM_CARET:
1740         return ROLE_SYSTEM_CARET;
1741     case wxROLE_SYSTEM_CELL:
1742         return ROLE_SYSTEM_CELL;
1743     case wxROLE_SYSTEM_CHARACTER:
1744         return ROLE_SYSTEM_CHARACTER;
1745     case wxROLE_SYSTEM_CHART:
1746         return ROLE_SYSTEM_CHART;
1747     case wxROLE_SYSTEM_CHECKBUTTON:
1748         return ROLE_SYSTEM_CHECKBUTTON;
1749     case wxROLE_SYSTEM_CLIENT:
1750         return ROLE_SYSTEM_CLIENT;
1751     case wxROLE_SYSTEM_CLOCK:
1752         return ROLE_SYSTEM_CLOCK;
1753     case wxROLE_SYSTEM_COLUMN:
1754         return ROLE_SYSTEM_COLUMN;
1755     case wxROLE_SYSTEM_COLUMNHEADER:
1756         return ROLE_SYSTEM_COLUMNHEADER;
1757     case wxROLE_SYSTEM_COMBOBOX:
1758         return ROLE_SYSTEM_COMBOBOX;
1759     case wxROLE_SYSTEM_CURSOR:
1760         return ROLE_SYSTEM_CURSOR;
1761     case wxROLE_SYSTEM_DIAGRAM:
1762         return ROLE_SYSTEM_DIAGRAM;
1763     case wxROLE_SYSTEM_DIAL:
1764         return ROLE_SYSTEM_DIAL;
1765     case wxROLE_SYSTEM_DIALOG:
1766         return ROLE_SYSTEM_DIALOG;
1767     case wxROLE_SYSTEM_DOCUMENT:
1768         return ROLE_SYSTEM_DOCUMENT;
1769     case wxROLE_SYSTEM_DROPLIST:
1770         return ROLE_SYSTEM_DROPLIST;
1771     case wxROLE_SYSTEM_EQUATION:
1772         return ROLE_SYSTEM_EQUATION;
1773     case wxROLE_SYSTEM_GRAPHIC:
1774         return ROLE_SYSTEM_GRAPHIC;
1775     case wxROLE_SYSTEM_GRIP:
1776         return ROLE_SYSTEM_GRIP;
1777     case wxROLE_SYSTEM_GROUPING:
1778         return ROLE_SYSTEM_GROUPING;
1779     case wxROLE_SYSTEM_HELPBALLOON:
1780         return ROLE_SYSTEM_HELPBALLOON;
1781     case wxROLE_SYSTEM_HOTKEYFIELD:
1782         return ROLE_SYSTEM_HOTKEYFIELD;
1783     case wxROLE_SYSTEM_INDICATOR:
1784         return ROLE_SYSTEM_INDICATOR;
1785     case wxROLE_SYSTEM_LINK:
1786         return ROLE_SYSTEM_LINK;
1787     case wxROLE_SYSTEM_LIST:
1788         return ROLE_SYSTEM_LIST;
1789     case wxROLE_SYSTEM_LISTITEM:
1790         return ROLE_SYSTEM_LISTITEM;
1791     case wxROLE_SYSTEM_MENUBAR:
1792         return ROLE_SYSTEM_MENUBAR;
1793     case wxROLE_SYSTEM_MENUITEM:
1794         return ROLE_SYSTEM_MENUITEM;
1795     case wxROLE_SYSTEM_MENUPOPUP:
1796         return ROLE_SYSTEM_MENUPOPUP;
1797     case wxROLE_SYSTEM_OUTLINE:
1798         return ROLE_SYSTEM_OUTLINE;
1799     case wxROLE_SYSTEM_OUTLINEITEM:
1800         return ROLE_SYSTEM_OUTLINEITEM;
1801     case wxROLE_SYSTEM_PAGETAB:
1802         return ROLE_SYSTEM_PAGETAB;
1803     case wxROLE_SYSTEM_PAGETABLIST:
1804         return ROLE_SYSTEM_PAGETABLIST;
1805     case wxROLE_SYSTEM_PANE:
1806         return ROLE_SYSTEM_PANE;
1807     case wxROLE_SYSTEM_PROGRESSBAR:
1808         return ROLE_SYSTEM_PROGRESSBAR;
1809     case wxROLE_SYSTEM_PROPERTYPAGE:
1810         return ROLE_SYSTEM_PROPERTYPAGE;
1811     case wxROLE_SYSTEM_PUSHBUTTON:
1812         return ROLE_SYSTEM_PUSHBUTTON;
1813     case wxROLE_SYSTEM_RADIOBUTTON:
1814         return ROLE_SYSTEM_RADIOBUTTON;
1815     case wxROLE_SYSTEM_ROW:
1816         return ROLE_SYSTEM_ROW;
1817     case wxROLE_SYSTEM_ROWHEADER:
1818         return ROLE_SYSTEM_ROWHEADER;
1819     case wxROLE_SYSTEM_SCROLLBAR:
1820         return ROLE_SYSTEM_SCROLLBAR;
1821     case wxROLE_SYSTEM_SEPARATOR:
1822         return ROLE_SYSTEM_SEPARATOR;
1823     case wxROLE_SYSTEM_SLIDER:
1824         return ROLE_SYSTEM_SLIDER;
1825     case wxROLE_SYSTEM_SOUND:
1826         return ROLE_SYSTEM_SOUND;
1827     case wxROLE_SYSTEM_SPINBUTTON:
1828         return ROLE_SYSTEM_SPINBUTTON;
1829     case wxROLE_SYSTEM_STATICTEXT:
1830         return ROLE_SYSTEM_STATICTEXT;
1831     case wxROLE_SYSTEM_STATUSBAR:
1832         return ROLE_SYSTEM_STATUSBAR;
1833     case wxROLE_SYSTEM_TABLE:
1834         return ROLE_SYSTEM_TABLE;
1835     case wxROLE_SYSTEM_TEXT:
1836         return ROLE_SYSTEM_TEXT;
1837     case wxROLE_SYSTEM_TITLEBAR:
1838         return ROLE_SYSTEM_TITLEBAR;
1839     case wxROLE_SYSTEM_TOOLBAR:
1840         return ROLE_SYSTEM_TOOLBAR;
1841     case wxROLE_SYSTEM_TOOLTIP:
1842         return ROLE_SYSTEM_TOOLTIP;
1843     case wxROLE_SYSTEM_WHITESPACE:
1844         return ROLE_SYSTEM_WHITESPACE;
1845     case wxROLE_SYSTEM_WINDOW:
1846         return ROLE_SYSTEM_WINDOW;
1847     }
1848     return 0;
1849 }
1850
1851 // Convert to Windows state
1852 long wxConvertToWindowsState(long wxstate)
1853 {
1854     long state = 0;
1855     if (wxstate & wxACC_STATE_SYSTEM_ALERT_HIGH)
1856         state |= STATE_SYSTEM_ALERT_HIGH;
1857
1858     if (wxstate & wxACC_STATE_SYSTEM_ALERT_MEDIUM)
1859         state |= STATE_SYSTEM_ALERT_MEDIUM;
1860
1861     if (wxstate & wxACC_STATE_SYSTEM_ALERT_LOW)
1862         state |= STATE_SYSTEM_ALERT_LOW;
1863
1864     if (wxstate & wxACC_STATE_SYSTEM_ANIMATED)
1865         state |= STATE_SYSTEM_ANIMATED;
1866
1867     if (wxstate & wxACC_STATE_SYSTEM_BUSY)
1868         state |= STATE_SYSTEM_BUSY;
1869
1870     if (wxstate & wxACC_STATE_SYSTEM_CHECKED)
1871         state |= STATE_SYSTEM_CHECKED;
1872
1873     if (wxstate & wxACC_STATE_SYSTEM_COLLAPSED)
1874         state |= STATE_SYSTEM_COLLAPSED;
1875
1876     if (wxstate & wxACC_STATE_SYSTEM_DEFAULT)
1877         state |= STATE_SYSTEM_DEFAULT;
1878
1879     if (wxstate & wxACC_STATE_SYSTEM_EXPANDED)
1880         state |= STATE_SYSTEM_EXPANDED;
1881
1882     if (wxstate & wxACC_STATE_SYSTEM_EXTSELECTABLE)
1883         state |= STATE_SYSTEM_EXTSELECTABLE;
1884
1885     if (wxstate & wxACC_STATE_SYSTEM_FLOATING)
1886         state |= STATE_SYSTEM_FLOATING;
1887
1888     if (wxstate & wxACC_STATE_SYSTEM_FOCUSABLE)
1889         state |= STATE_SYSTEM_FOCUSABLE;
1890
1891     if (wxstate & wxACC_STATE_SYSTEM_FOCUSED)
1892         state |= STATE_SYSTEM_FOCUSED;
1893
1894     if (wxstate & wxACC_STATE_SYSTEM_HOTTRACKED)
1895         state |= STATE_SYSTEM_HOTTRACKED;
1896
1897     if (wxstate & wxACC_STATE_SYSTEM_INVISIBLE)
1898         state |= STATE_SYSTEM_INVISIBLE;
1899
1900     if (wxstate & wxACC_STATE_SYSTEM_INVISIBLE)
1901         state |= STATE_SYSTEM_INVISIBLE;
1902
1903     if (wxstate & wxACC_STATE_SYSTEM_MIXED)
1904         state |= STATE_SYSTEM_MIXED;
1905
1906     if (wxstate & wxACC_STATE_SYSTEM_MULTISELECTABLE)
1907         state |= STATE_SYSTEM_MULTISELECTABLE;
1908
1909     if (wxstate & wxACC_STATE_SYSTEM_OFFSCREEN)
1910         state |= STATE_SYSTEM_OFFSCREEN;
1911
1912     if (wxstate & wxACC_STATE_SYSTEM_PRESSED)
1913         state |= STATE_SYSTEM_PRESSED;
1914
1915 //    if (wxstate & wxACC_STATE_SYSTEM_PROTECTED)
1916 //        state |= STATE_SYSTEM_PROTECTED;
1917
1918     if (wxstate & wxACC_STATE_SYSTEM_READONLY)
1919         state |= STATE_SYSTEM_READONLY;
1920
1921     if (wxstate & wxACC_STATE_SYSTEM_SELECTABLE)
1922         state |= STATE_SYSTEM_SELECTABLE;
1923
1924     if (wxstate & wxACC_STATE_SYSTEM_SELECTED)
1925         state |= STATE_SYSTEM_SELECTED;
1926
1927     if (wxstate & wxACC_STATE_SYSTEM_SELFVOICING)
1928         state |= STATE_SYSTEM_SELFVOICING;
1929
1930     if (wxstate & wxACC_STATE_SYSTEM_UNAVAILABLE)
1931         state |= STATE_SYSTEM_UNAVAILABLE;
1932
1933     return state;
1934 }
1935
1936 // Convert to Windows selection flag
1937 int wxConvertToWindowsSelFlag(wxAccSelectionFlags wxsel)
1938 {
1939     int sel = 0;
1940
1941     if (sel & wxACC_SEL_TAKEFOCUS)
1942         sel |= SELFLAG_TAKEFOCUS;
1943     if (sel & wxACC_SEL_TAKESELECTION)
1944         sel |= SELFLAG_TAKESELECTION;
1945     if (sel & wxACC_SEL_EXTENDSELECTION)
1946         sel |= SELFLAG_EXTENDSELECTION;
1947     if (sel & wxACC_SEL_ADDSELECTION)
1948         sel |= SELFLAG_ADDSELECTION;
1949     if (sel & wxACC_SEL_REMOVESELECTION)
1950         sel |= SELFLAG_REMOVESELECTION;
1951     return sel;
1952 }
1953
1954 // Convert from Windows selection flag
1955 wxAccSelectionFlags wxConvertFromWindowsSelFlag(int sel)
1956 {
1957     int wxsel = 0;
1958
1959     if (sel & SELFLAG_TAKEFOCUS)
1960         wxsel |= wxACC_SEL_TAKEFOCUS;
1961     if (sel & SELFLAG_TAKESELECTION)
1962         wxsel |= wxACC_SEL_TAKESELECTION;
1963     if (sel & SELFLAG_EXTENDSELECTION)
1964         wxsel |= wxACC_SEL_EXTENDSELECTION;
1965     if (sel & SELFLAG_ADDSELECTION)
1966         wxsel |= wxACC_SEL_ADDSELECTION;
1967     if (sel & SELFLAG_REMOVESELECTION)
1968         wxsel |= wxACC_SEL_REMOVESELECTION;
1969     return (wxAccSelectionFlags) wxsel;
1970 }
1971
1972
1973 #endif  //USE_ACCESSIBILITY