src/mac/carbon/filedlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        filedlg.cpp
   3 // Purpose:     wxFileDialog
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "filedlg.h"
  14 #endif
  15
  16 #include "wx/defs.h"
  17 #include "wx/app.h"
  18 #include "wx/utils.h"
  19 #include "wx/dialog.h"
  20 #include "wx/filedlg.h"
  21 #include "wx/intl.h"
  22 #include "wx/tokenzr.h"
  23 #include "wx/filename.h"
  24
  25 #ifndef __DARWIN__
  26   #include "PLStringFuncs.h"
  27 #endif
  28
  29 #if !USE_SHARED_LIBRARY
  30 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
  31 #endif
  32
  33 // begin wxmac
  34
  35 #include "wx/mac/private.h"
  36
  37 #include <Navigation.h>
  38
  39 #ifdef __DARWIN__
  40 #  include "MoreFilesX.h"
  41 #else
  42 #  include "MoreFiles.h"
  43 #  include "MoreFilesExtras.h"
  44 #endif
  45
  46 extern bool gUseNavServices ;
  47
  48 // the data we need to pass to our standard file hook routine
  49 // includes a pointer to the dialog, a pointer to the standard
  50 // file reply record (so we can inspect the current selection)
  51 // and a copy of the "previous" file spec of the reply record
  52 // so we can see if the selection has changed
  53
  54 struct OpenUserDataRec {
  55   int                currentfilter ;
  56   bool               saveMode ;
  57   wxArrayString      name ;
  58   wxArrayString      extensions ;
  59   wxArrayLong        filtermactypes ;
  60   wxString           defaultLocation;
  61 #if TARGET_CARBON
  62   CFArrayRef         menuitems ;
  63 #else
  64   NavMenuItemSpecArrayHandle menuitems ;
  65 #endif
  66 };
  67
  68 typedef struct OpenUserDataRec
  69 OpenUserDataRec, *OpenUserDataRecPtr;
  70
  71 static pascal void    NavEventProc(
  72                                 NavEventCallbackMessage        inSelector,
  73                                 NavCBRecPtr                    ioParams,
  74                                 NavCallBackUserData            ioUserData);
  75
  76 #if TARGET_CARBON
  77         static NavEventUPP    sStandardNavEventFilter = NewNavEventUPP(NavEventProc);
  78 #else
  79         static NavEventUPP    sStandardNavEventFilter = NewNavEventProc(NavEventProc);
  80 #endif
  81
  82 static pascal void
  83 NavEventProc(
  84     NavEventCallbackMessage        inSelector,
  85     NavCBRecPtr                    ioParams,
  86     NavCallBackUserData    ioUserData    )
  87 {
  88     OpenUserDataRec * data = ( OpenUserDataRec *) ioUserData ;
  89     if (inSelector == kNavCBEvent) {
  90 #if TARGET_CARBON
  91 #else
  92         wxTheApp->MacHandleOneEvent(ioParams->eventData.eventDataParms.event);
  93 #endif
  94     }
  95     else if ( inSelector == kNavCBStart )
  96     {
  97 #if TARGET_CARBON
  98         if (data && !(data->defaultLocation).IsEmpty())
  99         {
 100             // Set default location for the modern Navigation APIs
 101             // Apple Technical Q&A 1151
 102             FSSpec theFSSpec;
 103             wxMacFilename2FSSpec(data->defaultLocation, &theFSSpec);
 104             AEDesc theLocation = {typeNull, NULL};
 105             if (noErr == ::AECreateDesc(typeFSS, &theFSSpec, sizeof(FSSpec), &theLocation))
 106                 ::NavCustomControl(ioParams->context, kNavCtlSetLocation, (void *) &theLocation);
 107         }
 108 #else
 109         if ( data->menuitems )
 110             NavCustomControl(ioParams->context, kNavCtlSelectCustomType, &(*data->menuitems)[data->currentfilter]);
 111 #endif
 112     }
 113     else if ( inSelector == kNavCBPopupMenuSelect )
 114     {
 115         NavMenuItemSpec * menu = (NavMenuItemSpec *) ioParams->eventData.eventDataParms.param ;
 116 #if TARGET_CARBON
 117 #else
 118         if ( menu->menuCreator == 'WXNG' )
 119 #endif
 120         {
 121             data->currentfilter = menu->menuType ;
 122             if ( data->saveMode )
 123             {
 124                 int i = menu->menuType ;
 125                 wxString extension =  data->extensions[i].AfterLast('.') ;
 126                 extension.MakeLower() ;
 127                 wxString sfilename ;
 128
 129 #if TARGET_CARBON
 130                 wxMacCFStringHolder cfString( NavDialogGetSaveFileName( ioParams->context ) , false  );
 131                 sfilename = cfString.AsString() ;
 132 #else
 133                 Str255 filename ;
 134                 // get the current filename
 135                 NavCustomControl(ioParams->context, kNavCtlGetEditFileName, &filename);
 136                 sfilename = wxMacMakeStringFromPascal( filename ) ;
 137 #endif
 138
 139                 int pos = sfilename.Find('.', true) ;
 140                 if ( pos != wxNOT_FOUND )
 141                 {
 142                     sfilename = sfilename.Left(pos+1)+extension ;
 143 #if TARGET_CARBON
 144                     cfString.Assign( sfilename , wxFONTENCODING_DEFAULT ) ;
 145                     NavDialogSetSaveFileName( ioParams->context , cfString ) ;
 146 #else
 147                     wxMacStringToPascal( sfilename , filename ) ;
 148                     NavCustomControl(ioParams->context, kNavCtlSetEditFileName, &filename);
 149 #endif
 150                 }
 151             }
 152         }
 153     }
 154 }
 155
 156
 157 void MakeUserDataRec(OpenUserDataRec    *myData , const wxString& filter )
 158 {
 159     myData->menuitems = NULL ;
 160     myData->currentfilter = 0 ;
 161     myData->saveMode = false ;
 162
 163     if ( filter && filter[0] )
 164     {
 165         wxString filter2(filter) ;
 166         int filterIndex = 0;
 167         bool isName = true ;
 168         wxString current ;
 169         for( unsigned int i = 0; i < filter2.Len() ; i++ )
 170         {
 171             if( filter2.GetChar(i) == wxT('|') )
 172             {
 173                 if( isName ) {
 174                     myData->name.Add( current ) ;
 175                 }
 176                 else {
 177                     myData->extensions.Add( current.MakeUpper() ) ;
 178                     ++filterIndex ;
 179                 }
 180                 isName = !isName ;
 181                 current = wxEmptyString ;
 182             }
 183             else
 184             {
 185                 current += filter2.GetChar(i) ;
 186             }
 187         }
 188         // we allow for compatibility reason to have a single filter expression (like *.*) without
 189         // an explanatory text, in that case the first part is name and extension at the same time
 190
 191         wxASSERT_MSG( filterIndex == 0 || !isName , wxT("incorrect format of format string") ) ;
 192         if ( current.IsEmpty() )
 193             myData->extensions.Add( myData->name[filterIndex] ) ;
 194         else
 195             myData->extensions.Add( current.MakeUpper() ) ;
 196         if ( filterIndex == 0 || isName )
 197             myData->name.Add( current.MakeUpper() ) ;
 198
 199         ++filterIndex ;
 200
 201         const size_t extCount = myData->extensions.GetCount();
 202         for ( size_t i = 0 ; i < extCount; i++ )
 203         {
 204             wxUint32 fileType;
 205             wxUint32 creator;
 206             wxString extension = myData->extensions[i];
 207
 208             if (extension.GetChar(0) == '*')
 209                 extension = extension.Mid(1);   // Remove leading *
 210
 211             if (extension.GetChar(0) == '.')
 212             {
 213                 extension = extension.Mid(1);   // Remove leading .
 214             }
 215
 216             if (wxFileName::MacFindDefaultTypeAndCreator( extension, &fileType, &creator ))
 217             {
 218                 myData->filtermactypes.Add( (OSType)fileType );
 219             }
 220             else
 221             {
 222                 myData->filtermactypes.Add( '****' ) ;          // We'll fail safe if it's not recognized
 223                 }
 224         }
 225     }
 226 }
 227
 228 static Boolean CheckFile( const wxString &filename , OSType type , OpenUserDataRecPtr data)
 229 {
 230     wxString file(filename) ;
 231     file.MakeUpper() ;
 232
 233     if ( data->extensions.GetCount() > 0 )
 234     {
 235         //for ( int i = 0 ; i < data->numfilters ; ++i )
 236         int i = data->currentfilter ;
 237         if ( data->extensions[i].Right(2) == wxT(".*") )
 238             return true ;
 239
 240         {
 241             if ( type == (OSType)data->filtermactypes[i] )
 242                 return true ;
 243
 244             wxStringTokenizer tokenizer( data->extensions[i] , wxT(";") ) ;
 245             while( tokenizer.HasMoreTokens() )
 246             {
 247                 wxString extension = tokenizer.GetNextToken() ;
 248                 if ( extension.GetChar(0) == '*' )
 249                     extension = extension.Mid(1) ;
 250
 251                 if ( file.Len() >= extension.Len() && extension == file.Right(extension.Len() ) )
 252                     return true ;
 253             }
 254         }
 255         return false ;
 256     }
 257     return true ;
 258 }
 259
 260 #ifndef __DARWIN__
 261 static pascal Boolean CrossPlatformFileFilter(CInfoPBPtr myCInfoPBPtr, void *dataPtr)
 262 {
 263     OpenUserDataRecPtr data = (OpenUserDataRecPtr) dataPtr ;
 264     // return true if this item is invisible or a file
 265
 266     Boolean visibleFlag;
 267     Boolean folderFlag;
 268
 269     visibleFlag = ! (myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible);
 270     folderFlag = (myCInfoPBPtr->hFileInfo.ioFlAttrib & 0x10);
 271
 272     // because the semantics of the filter proc are "true means don't show
 273     // it" we need to invert the result that we return
 274
 275     if ( !visibleFlag )
 276         return true ;
 277
 278     if ( !folderFlag )
 279     {
 280         wxString file = wxMacMakeStringFromPascal( myCInfoPBPtr->hFileInfo.ioNamePtr ) ;
 281         return !CheckFile( file , myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdType , data ) ;
 282     }
 283
 284     return false ;
 285 }
 286 #endif
 287
 288 // end wxmac
 289
 290 wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
 291         const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
 292         long style, const wxPoint& pos)
 293              :wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos)
 294 {
 295     wxASSERT_MSG( NavServicesAvailable() , wxT("Navigation Services are not running") ) ;
 296 }
 297
 298 pascal Boolean CrossPlatformFilterCallback (
 299     AEDesc *theItem,
 300     void *info,
 301     void *callBackUD,
 302     NavFilterModes filterMode
 303 )
 304 {
 305     bool display = true;
 306     OpenUserDataRecPtr data = (OpenUserDataRecPtr) callBackUD ;
 307
 308     if (filterMode == kNavFilteringBrowserList)
 309     {
 310         NavFileOrFolderInfo* theInfo = (NavFileOrFolderInfo*) info ;
 311         if ( !theInfo->isFolder )
 312         {
 313             if (theItem->descriptorType == typeFSS )
 314             {
 315                 FSSpec    spec;
 316                 memcpy( &spec , *theItem->dataHandle , sizeof(FSSpec) ) ;
 317                 wxString file = wxMacMakeStringFromPascal( spec.name ) ;
 318                 display = CheckFile( file , theInfo->fileAndFolder.fileInfo.finderInfo.fdType , data ) ;
 319             }
 320  #if TARGET_CARBON
 321             else if ( theItem->descriptorType == typeFSRef )
 322             {
 323                 FSRef fsref ;
 324                 memcpy( &fsref , *theItem->dataHandle , sizeof(FSRef) ) ;
 325
 326
 327
 328                 CFURLRef fullURLRef;
 329                 fullURLRef = ::CFURLCreateFromFSRef(NULL, &fsref);
 330 #ifdef __UNIX__
 331                 CFURLPathStyle pathstyle = kCFURLPOSIXPathStyle;
 332 #else
 333                 CFURLPathStyle pathstyle = kCFURLHFSPathStyle;
 334 #endif
 335                 CFStringRef cfString = CFURLCopyFileSystemPath(fullURLRef, pathstyle);
 336                 ::CFRelease( fullURLRef ) ;
 337                 wxString file = wxMacCFStringHolder(cfString).AsString(wxFont::GetDefaultEncoding());
 338
 339                 display = CheckFile( file , theInfo->fileAndFolder.fileInfo.finderInfo.fdType , data ) ;
 340             }
 341 #endif
 342         }
 343     }
 344
 345     return display;
 346 }
 347
 348 int wxFileDialog::ShowModal()
 349 {
 350 #if TARGET_CARBON
 351     OSErr err;
 352     NavDialogCreationOptions dialogCreateOptions;
 353     // set default options
 354     ::NavGetDefaultDialogCreationOptions(&dialogCreateOptions);
 355
 356     // this was always unset in the old code
 357     dialogCreateOptions.optionFlags &= ~kNavSelectDefaultLocation;
 358
 359     wxMacCFStringHolder message(m_message, m_font.GetEncoding());
 360     dialogCreateOptions.windowTitle = message;
 361
 362     wxMacCFStringHolder defaultFileName(m_fileName, m_font.GetEncoding());
 363     dialogCreateOptions.saveFileName = defaultFileName;
 364
 365
 366     NavDialogRef dialog;
 367     NavObjectFilterUPP navFilterUPP = NULL;
 368     CFArrayRef cfArray = NULL; // for popupExtension
 369     OpenUserDataRec myData;
 370     myData.defaultLocation = m_dir;
 371
 372     if (m_dialogStyle & wxSAVE)
 373     {
 374         dialogCreateOptions.optionFlags |= kNavNoTypePopup;
 375         dialogCreateOptions.optionFlags |= kNavDontAutoTranslate;
 376         dialogCreateOptions.optionFlags |= kNavDontAddTranslateItems;
 377
 378         // The extension is important
 379         dialogCreateOptions.optionFlags |= kNavPreserveSaveFileExtension;
 380
 381         err = ::NavCreatePutFileDialog(&dialogCreateOptions,
 382                                        'TEXT',
 383                                        'TEXT',
 384                                        sStandardNavEventFilter,
 385                                        &myData, // for defaultLocation
 386                                        &dialog);
 387     }
 388     else
 389     {
 390         MakeUserDataRec(&myData , m_wildCard);
 391         size_t numfilters = myData.extensions.GetCount();
 392         if (numfilters > 0)
 393         {
 394             CFMutableArrayRef popup = CFArrayCreateMutable( kCFAllocatorDefault ,
 395                 numfilters , &kCFTypeArrayCallBacks ) ;
 396             dialogCreateOptions.popupExtension = popup ;
 397             myData.menuitems = dialogCreateOptions.popupExtension ;
 398             for ( size_t i = 0 ; i < numfilters ; ++i )
 399             {
 400                 CFArrayAppendValue( popup , (CFStringRef) wxMacCFStringHolder( myData.name[i] , m_font.GetEncoding() ) ) ;
 401             }
 402         }
 403
 404         navFilterUPP = NewNavObjectFilterUPP(CrossPlatformFilterCallback);
 405         err = ::NavCreateGetFileDialog(&dialogCreateOptions,
 406                                        NULL, // NavTypeListHandle
 407                                        sStandardNavEventFilter,
 408                                        NULL, // NavPreviewUPP
 409                                        navFilterUPP,
 410                                        (void *) &myData, // inClientData
 411                                        &dialog);
 412     }
 413
 414     if (err == noErr)
 415         err = ::NavDialogRun(dialog);
 416
 417     // clean up filter related data, etc.
 418     if (navFilterUPP)
 419         ::DisposeNavObjectFilterUPP(navFilterUPP);
 420     if (cfArray)
 421         ::CFRelease(cfArray);
 422
 423     if (err != noErr)
 424         return wxID_CANCEL;
 425
 426     NavReplyRecord navReply;
 427     err = ::NavDialogGetReply(dialog, &navReply);
 428     if (err == noErr && navReply.validRecord)
 429     {
 430         AEKeyword   theKeyword;
 431         DescType    actualType;
 432         Size        actualSize;
 433         FSRef       theFSRef;
 434         wxString thePath ;
 435         long count;
 436         ::AECountItems(&navReply.selection , &count);
 437         for (long i = 1; i <= count; ++i)
 438         {
 439             err = ::AEGetNthPtr(&(navReply.selection), i, typeFSRef, &theKeyword, &actualType,
 440                                 &theFSRef, sizeof(theFSRef), &actualSize);
 441             if (err != noErr)
 442                 break;
 443
 444             CFURLRef fullURLRef;
 445             if (m_dialogStyle & wxSAVE)
 446             {
 447                 CFURLRef parentURLRef = ::CFURLCreateFromFSRef(NULL, &theFSRef);
 448
 449                 if (parentURLRef)
 450                 {
 451                     fullURLRef =
 452                         ::CFURLCreateCopyAppendingPathComponent(NULL,
 453                                                                 parentURLRef,
 454                                                                 navReply.saveFileName,
 455                                                                 false);
 456                     ::CFRelease(parentURLRef);
 457                 }
 458             }
 459             else
 460             {
 461                 fullURLRef = ::CFURLCreateFromFSRef(NULL, &theFSRef);
 462             }
 463 #ifdef __UNIX__
 464             CFURLPathStyle pathstyle = kCFURLPOSIXPathStyle;
 465 #else
 466             CFURLPathStyle pathstyle = kCFURLHFSPathStyle;
 467 #endif
 468             CFStringRef cfString = CFURLCopyFileSystemPath(fullURLRef, pathstyle);
 469             thePath = wxMacCFStringHolder(cfString).AsString(m_font.GetEncoding());
 470             if (!thePath)
 471             {
 472                 ::NavDisposeReply(&navReply);
 473                 return wxID_CANCEL;
 474             }
 475             m_path = thePath;
 476             m_paths.Add(m_path);
 477             m_fileName = wxFileNameFromPath(m_path);
 478             m_fileNames.Add(m_fileName);
 479         }
 480         // set these to the first hit
 481         m_path = m_paths[0];
 482         m_fileName = wxFileNameFromPath(m_path);
 483         m_dir = wxPathOnly(m_path);
 484     }
 485     ::NavDisposeReply(&navReply);
 486
 487     return (err == noErr) ? wxID_OK : wxID_CANCEL;
 488 #else // TARGET_CARBON
 489
 490     NavDialogOptions           mNavOptions;
 491     NavObjectFilterUPP           mNavFilterUPP = NULL;
 492     NavPreviewUPP           mNavPreviewUPP = NULL ;
 493     NavReplyRecord           mNavReply;
 494     AEDesc               mDefaultLocation ;
 495     bool               mSelectDefault = false ;
 496     OSStatus            err = noErr ;
 497     // setup dialog
 498
 499     mNavFilterUPP    = nil;
 500     mNavPreviewUPP    = nil;
 501     mSelectDefault    = false;
 502     mDefaultLocation.descriptorType = typeNull;
 503     mDefaultLocation.dataHandle     = nil;
 504
 505     NavGetDefaultDialogOptions(&mNavOptions);
 506     wxMacStringToPascal( m_message , (StringPtr)mNavOptions.message ) ;
 507     wxMacStringToPascal( m_fileName , (StringPtr)mNavOptions.savedFileName ) ;
 508
 509     // Set default location, the location
 510     //   that's displayed when the dialog
 511     //   first appears
 512
 513     FSSpec location ;
 514     wxMacFilename2FSSpec( m_dir , &location ) ;
 515
 516     err = ::AECreateDesc(typeFSS, &location, sizeof(FSSpec), &mDefaultLocation );
 517
 518     if ( mDefaultLocation.dataHandle )
 519     {
 520         if (mSelectDefault)
 521         {
 522             mNavOptions.dialogOptionFlags |= kNavSelectDefaultLocation;
 523         } else {
 524             mNavOptions.dialogOptionFlags &= ~kNavSelectDefaultLocation;
 525         }
 526     }
 527
 528     memset( &mNavReply , 0 , sizeof( mNavReply ) ) ;
 529     mNavReply.validRecord = false;
 530     mNavReply.replacing = false;
 531     mNavReply.isStationery = false;
 532     mNavReply.translationNeeded = false;
 533     mNavReply.selection.descriptorType = typeNull;
 534     mNavReply.selection.dataHandle = nil;
 535     mNavReply.keyScript = smSystemScript;
 536     mNavReply.fileTranslation = nil;
 537     mNavReply.version = kNavReplyRecordVersion ;
 538
 539     // zero all data
 540
 541     m_path = wxEmptyString ;
 542     m_fileName = wxEmptyString ;
 543     m_paths.Empty();
 544     m_fileNames.Empty();
 545
 546     OpenUserDataRec            myData;
 547     MakeUserDataRec( &myData , m_wildCard ) ;
 548     myData.currentfilter = m_filterIndex ;
 549     if ( myData.extensions.GetCount() > 0 )
 550     {
 551         mNavOptions.popupExtension = (NavMenuItemSpecArrayHandle) NewHandle( sizeof( NavMenuItemSpec ) * myData.extensions.GetCount() ) ;
 552         myData.menuitems = mNavOptions.popupExtension ;
 553         for ( size_t i = 0 ; i < myData.extensions.GetCount() ; ++i )
 554         {
 555             (*mNavOptions.popupExtension)[i].version     = kNavMenuItemSpecVersion ;
 556             (*mNavOptions.popupExtension)[i].menuCreator = 'WXNG' ;
 557             // TODO : according to the new docs  -1 to 10 are reserved for the OS
 558             (*mNavOptions.popupExtension)[i].menuType    = i ;
 559             wxMacStringToPascal( myData.name[i] , (StringPtr)(*mNavOptions.popupExtension)[i].menuItemName ) ;
 560         }
 561     }
 562     if ( m_dialogStyle & wxSAVE )
 563     {
 564         myData.saveMode = true ;
 565
 566         mNavOptions.dialogOptionFlags |= kNavDontAutoTranslate ;
 567         mNavOptions.dialogOptionFlags |= kNavDontAddTranslateItems ;
 568
 569         err = ::NavPutFile(
 570                            &mDefaultLocation,
 571                            &mNavReply,
 572                            &mNavOptions,
 573                            sStandardNavEventFilter ,
 574                            NULL,
 575                            kNavGenericSignature,
 576                            &myData);                    // User Data
 577         m_filterIndex = myData.currentfilter ;
 578     }
 579     else
 580     {
 581         myData.saveMode = false ;
 582
 583         mNavFilterUPP = NewNavObjectFilterUPP( CrossPlatformFilterCallback ) ;
 584         if ( m_dialogStyle & wxMULTIPLE )
 585             mNavOptions.dialogOptionFlags |= kNavAllowMultipleFiles ;
 586         else
 587             mNavOptions.dialogOptionFlags &= ~kNavAllowMultipleFiles ;
 588
 589         err = ::NavGetFile(
 590                            &mDefaultLocation,
 591                            &mNavReply,
 592                            &mNavOptions,
 593                            sStandardNavEventFilter ,
 594                            mNavPreviewUPP,
 595                            mNavFilterUPP,
 596                            NULL ,
 597                            &myData);
 598         m_filterIndex = myData.currentfilter ;
 599     }
 600
 601     DisposeNavObjectFilterUPP(mNavFilterUPP);
 602     if ( mDefaultLocation.dataHandle != nil )
 603     {
 604         ::AEDisposeDesc(&mDefaultLocation);
 605     }
 606
 607     if ( (err != noErr) && (err != userCanceledErr) ) {
 608         return wxID_CANCEL ;
 609     }
 610
 611     if (mNavReply.validRecord)
 612     {
 613         FSSpec  outFileSpec ;
 614         AEDesc specDesc ;
 615         AEKeyword keyWord ;
 616
 617         long count ;
 618         ::AECountItems( &mNavReply.selection , &count ) ;
 619         for ( long i = 1 ; i <= count ; ++i )
 620         {
 621             OSErr err = ::AEGetNthDesc( &mNavReply.selection , i , typeFSS, &keyWord , &specDesc);
 622             if ( err != noErr )
 623             {
 624                 m_path = wxT("") ;
 625                 return wxID_CANCEL ;
 626             }
 627             outFileSpec = **(FSSpec**) specDesc.dataHandle;
 628             if (specDesc.dataHandle != nil) {
 629                 ::AEDisposeDesc(&specDesc);
 630             }
 631             m_path = wxMacFSSpec2MacFilename( &outFileSpec ) ;
 632
 633             m_paths.Add( m_path ) ;
 634             m_fileName = wxFileNameFromPath(m_path);
 635             m_fileNames.Add(m_fileName);
 636         }
 637         // set these to the first hit
 638         m_path = m_paths[ 0 ] ;
 639         m_fileName = wxFileNameFromPath(m_path);
 640         m_dir = wxPathOnly(m_path);
 641         NavDisposeReply( &mNavReply ) ;
 642         return wxID_OK ;
 643     }
 644     return wxID_CANCEL;
 645 #endif // TARGET_CARBON
 646 }
 647