src/mac/classic/filedlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/classic/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 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #include "wx/filedlg.h"
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/intl.h"
  22     #include "wx/app.h"
  23     #include "wx/utils.h"
  24     #include "wx/dialog.h"
  25 #endif
  26
  27 #include "wx/tokenzr.h"
  28 #include "wx/filename.h"
  29
  30 #ifndef __DARWIN__
  31     #include "PLStringFuncs.h"
  32 #endif
  33
  34 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
  35
  36 // begin wxmac
  37
  38 #include "wx/mac/private.h"
  39
  40 #include <Navigation.h>
  41
  42 #ifdef __DARWIN__
  43 #  include "MoreFilesX.h"
  44 #else
  45 #  include "MoreFiles.h"
  46 #  include "MoreFilesExtras.h"
  47 #endif
  48
  49 extern bool gUseNavServices ;
  50
  51 // the data we need to pass to our standard file hook routine
  52 // includes a pointer to the dialog, a pointer to the standard
  53 // file reply record (so we can inspect the current selection)
  54 // and a copy of the "previous" file spec of the reply record
  55 // so we can see if the selection has changed
  56
  57 struct OpenUserDataRec {
  58   int                currentfilter ;
  59   bool               saveMode ;
  60   wxArrayString      name ;
  61   wxArrayString      extensions ;
  62   wxArrayLong        filtermactypes ;
  63   wxString           defaultLocation;
  64 #if TARGET_CARBON
  65   CFArrayRef         menuitems ;
  66 #else
  67   NavMenuItemSpecArrayHandle menuitems ;
  68 #endif
  69 };
  70
  71 typedef struct OpenUserDataRec
  72 OpenUserDataRec, *OpenUserDataRecPtr;
  73
  74 static pascal void    NavEventProc(
  75                                 NavEventCallbackMessage        inSelector,
  76                                 NavCBRecPtr                    ioParams,
  77                                 NavCallBackUserData            ioUserData);
  78
  79 #if TARGET_CARBON
  80         static NavEventUPP    sStandardNavEventFilter = NewNavEventUPP(NavEventProc);
  81 #else
  82         static NavEventUPP    sStandardNavEventFilter = NewNavEventProc(NavEventProc);
  83 #endif
  84
  85 static pascal void
  86 NavEventProc(
  87     NavEventCallbackMessage        inSelector,
  88     NavCBRecPtr                    ioParams,
  89     NavCallBackUserData    ioUserData    )
  90 {
  91     OpenUserDataRec * data = ( OpenUserDataRec *) ioUserData ;
  92     if (inSelector == kNavCBEvent) {
  93 #if TARGET_CARBON
  94 #else
  95         wxTheApp->MacHandleOneEvent(ioParams->eventData.eventDataParms.event);
  96 #endif
  97     }
  98     else if ( inSelector == kNavCBStart )
  99     {
 100 #if TARGET_CARBON
 101         if (data && !(data->defaultLocation).empty())
 102         {
 103             // Set default location for the modern Navigation APIs
 104             // Apple Technical Q&A 1151
 105             FSSpec theFSSpec;
 106             wxMacFilename2FSSpec(data->defaultLocation, &theFSSpec);
 107             AEDesc theLocation = {typeNull, NULL};
 108             if (noErr == ::AECreateDesc(typeFSS, &theFSSpec, sizeof(FSSpec), &theLocation))
 109                 ::NavCustomControl(ioParams->context, kNavCtlSetLocation, (void *) &theLocation);
 110         }
 111 #else
 112         if ( data->menuitems )
 113             NavCustomControl(ioParams->context, kNavCtlSelectCustomType, &(*data->menuitems)[data->currentfilter]);
 114 #endif
 115     }
 116     else if ( inSelector == kNavCBPopupMenuSelect )
 117     {
 118         NavMenuItemSpec * menu = (NavMenuItemSpec *) ioParams->eventData.eventDataParms.param ;
 119 #if TARGET_CARBON
 120 #else
 121         if ( menu->menuCreator == 'WXNG' )
 122 #endif
 123         {
 124             data->currentfilter = menu->menuType ;
 125             if ( data->saveMode )
 126             {
 127                 int i = menu->menuType ;
 128                 wxString extension =  data->extensions[i].AfterLast('.') ;
 129                 extension.MakeLower() ;
 130                 wxString sfilename ;
 131
 132 #if TARGET_CARBON
 133                 wxMacCFStringHolder cfString( NavDialogGetSaveFileName( ioParams->context ) , false  );
 134                 sfilename = cfString.AsString() ;
 135 #else
 136                 Str255 filename ;
 137                 // get the current filename
 138                 NavCustomControl(ioParams->context, kNavCtlGetEditFileName, &filename);
 139                 sfilename = wxMacMakeStringFromPascal( filename ) ;
 140 #endif
 141
 142                 int pos = sfilename.Find('.', true) ;
 143                 if ( pos != wxNOT_FOUND )
 144                 {
 145                     sfilename = sfilename.Left(pos+1)+extension ;
 146 #if TARGET_CARBON
 147                     cfString.Assign( sfilename , wxFONTENCODING_DEFAULT ) ;
 148                     NavDialogSetSaveFileName( ioParams->context , cfString ) ;
 149 #else
 150                     wxMacStringToPascal( sfilename , filename ) ;
 151                     NavCustomControl(ioParams->context, kNavCtlSetEditFileName, &filename);
 152 #endif
 153                 }
 154             }
 155         }
 156     }
 157 }
 158
 159
 160 void MakeUserDataRec(OpenUserDataRec    *myData , const wxString& filter )
 161 {
 162     myData->menuitems = NULL ;
 163     myData->currentfilter = 0 ;
 164     myData->saveMode = false ;
 165
 166     if ( filter && filter[0] )
 167     {
 168         wxString filter2(filter) ;
 169         int filterIndex = 0;
 170         bool isName = true ;
 171         wxString current ;
 172         for( unsigned int i = 0; i < filter2.Len() ; i++ )
 173         {
 174             if( filter2.GetChar(i) == wxT('|') )
 175             {
 176                 if( isName ) {
 177                     myData->name.Add( current ) ;
 178                 }
 179                 else {
 180                     myData->extensions.Add( current.MakeUpper() ) ;
 181                     ++filterIndex ;
 182                 }
 183                 isName = !isName ;
 184                 current = wxEmptyString ;
 185             }
 186             else
 187             {
 188                 current += filter2.GetChar(i) ;
 189             }
 190         }
 191         // we allow for compatibility reason to have a single filter expression (like *.*) without
 192         // an explanatory text, in that case the first part is name and extension at the same time
 193
 194         wxASSERT_MSG( filterIndex == 0 || !isName , wxT("incorrect format of format string") ) ;
 195         if ( current.empty() )
 196             myData->extensions.Add( myData->name[filterIndex] ) ;
 197         else
 198             myData->extensions.Add( current.MakeUpper() ) ;
 199         if ( filterIndex == 0 || isName )
 200             myData->name.Add( current.MakeUpper() ) ;
 201
 202         ++filterIndex ;
 203
 204         const size_t extCount = myData->extensions.GetCount();
 205         for ( size_t i = 0 ; i < extCount; i++ )
 206         {
 207             wxUint32 fileType;
 208             wxUint32 creator;
 209             wxString extension = myData->extensions[i];
 210
 211             if (extension.GetChar(0) == '*')
 212                 extension = extension.Mid(1);  // Remove leading *
 213
 214             if (extension.GetChar(0) == '.')
 215             {
 216                 extension = extension.Mid(1);  // Remove leading .
 217             }
 218
 219             if (wxFileName::MacFindDefaultTypeAndCreator( extension, &fileType, &creator ))
 220             {
 221                 myData->filtermactypes.Add( (OSType)fileType );
 222             }
 223             else
 224             {
 225                 myData->filtermactypes.Add( '****' ) ;   // We'll fail safe if it's not recognized
 226             }
 227         }
 228     }
 229 }
 230
 231 static Boolean CheckFile( const wxString &filename , OSType type , OpenUserDataRecPtr data)
 232 {
 233     wxString file(filename) ;
 234     file.MakeUpper() ;
 235
 236     if ( data->extensions.GetCount() > 0 )
 237     {
 238         //for ( int i = 0 ; i < data->numfilters ; ++i )
 239         int i = data->currentfilter ;
 240         if ( data->extensions[i].Right(2) == wxT(".*") )
 241             return true ;
 242
 243         {
 244             if ( type == (OSType)data->filtermactypes[i] )
 245                 return true ;
 246
 247             wxStringTokenizer tokenizer( data->extensions[i] , wxT(";") ) ;
 248             while( tokenizer.HasMoreTokens() )
 249             {
 250                 wxString extension = tokenizer.GetNextToken() ;
 251                 if ( extension.GetChar(0) == '*' )
 252                     extension = extension.Mid(1) ;
 253
 254                 if ( file.Len() >= extension.Len() && extension == file.Right(extension.Len() ) )
 255                     return true ;
 256             }
 257         }
 258         return false ;
 259     }
 260     return true ;
 261 }
 262
 263 #ifndef __DARWIN__
 264 static pascal Boolean CrossPlatformFileFilter(CInfoPBPtr myCInfoPBPtr, void *dataPtr)
 265 {
 266     OpenUserDataRecPtr data = (OpenUserDataRecPtr) dataPtr ;
 267     // return true if this item is invisible or a file
 268
 269     Boolean visibleFlag;
 270     Boolean folderFlag;
 271
 272     visibleFlag = ! (myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible);
 273     folderFlag = (myCInfoPBPtr->hFileInfo.ioFlAttrib & 0x10);
 274
 275     // because the semantics of the filter proc are "true means don't show
 276     // it" we need to invert the result that we return
 277
 278     if ( !visibleFlag )
 279         return true ;
 280
 281     if ( !folderFlag )
 282     {
 283         wxString file = wxMacMakeStringFromPascal( myCInfoPBPtr->hFileInfo.ioNamePtr ) ;
 284         return !CheckFile( file , myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdType , data ) ;
 285     }
 286
 287     return false ;
 288 }
 289 #endif
 290
 291 // end wxmac
 292
 293 wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
 294         const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
 295         long style, const wxPoint& pos, const wxSize& sz, const wxString& name)
 296              :wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name)
 297 {
 298     wxASSERT_MSG( NavServicesAvailable() , wxT("Navigation Services are not running") ) ;
 299 }
 300
 301 pascal Boolean CrossPlatformFilterCallback (
 302     AEDesc *theItem,
 303     void *info,
 304     void *callBackUD,
 305     NavFilterModes filterMode
 306 )
 307 {
 308     bool display = true;
 309     OpenUserDataRecPtr data = (OpenUserDataRecPtr) callBackUD ;
 310
 311     if (filterMode == kNavFilteringBrowserList)
 312     {
 313         NavFileOrFolderInfo* theInfo = (NavFileOrFolderInfo*) info ;
 314         if ( !theInfo->isFolder )
 315         {
 316             if (theItem->descriptorType == typeFSS )
 317             {
 318                 FSSpec    spec;
 319                 memcpy( &spec , *theItem->dataHandle , sizeof(FSSpec) ) ;
 320                 wxString file = wxMacMakeStringFromPascal( spec.name ) ;
 321                 display = CheckFile( file , theInfo->fileAndFolder.fileInfo.finderInfo.fdType , data ) ;
 322             }
 323 #if TARGET_CARBON
 324             else if ( theItem->descriptorType == typeFSRef )
 325             {
 326                 FSRef fsref ;
 327                 memcpy( &fsref , *theItem->dataHandle , sizeof(FSRef) ) ;
 328
 329
 330
 331                 CFURLRef fullURLRef;
 332                 fullURLRef = ::CFURLCreateFromFSRef(NULL, &fsref);
 333 #ifdef __UNIX__
 334                 CFURLPathStyle pathstyle = kCFURLPOSIXPathStyle;
 335 #else
 336                 CFURLPathStyle pathstyle = kCFURLHFSPathStyle;
 337 #endif
 338                 CFStringRef cfString = CFURLCopyFileSystemPath(fullURLRef, pathstyle);
 339                 ::CFRelease( fullURLRef ) ;
 340                 wxString file = wxMacCFStringHolder(cfString).AsString(wxFont::GetDefaultEncoding());
 341
 342                 display = CheckFile( file , theInfo->fileAndFolder.fileInfo.finderInfo.fdType , data ) ;
 343             }
 344 #endif
 345         }
 346     }
 347
 348     return display;
 349 }
 350
 351 int wxFileDialog::ShowModal()
 352 {
 353 #if TARGET_CARBON
 354     OSErr err;
 355     NavDialogCreationOptions dialogCreateOptions;
 356     // set default options
 357     ::NavGetDefaultDialogCreationOptions(&dialogCreateOptions);
 358
 359     // this was always unset in the old code
 360     dialogCreateOptions.optionFlags &= ~kNavSelectDefaultLocation;
 361
 362     wxMacCFStringHolder message(m_message, m_font.GetEncoding());
 363     dialogCreateOptions.windowTitle = message;
 364
 365     wxMacCFStringHolder defaultFileName(m_fileName, m_font.GetEncoding());
 366     dialogCreateOptions.saveFileName = defaultFileName;
 367
 368
 369     NavDialogRef dialog;
 370     NavObjectFilterUPP navFilterUPP = NULL;
 371     CFArrayRef cfArray = NULL; // for popupExtension
 372     OpenUserDataRec myData;
 373     myData.defaultLocation = m_dir;
 374
 375     if (HasFlag(wxFD_SAVE))
 376     {
 377         dialogCreateOptions.optionFlags |= kNavNoTypePopup;
 378         dialogCreateOptions.optionFlags |= kNavDontAutoTranslate;
 379         dialogCreateOptions.optionFlags |= kNavDontAddTranslateItems;
 380
 381         // The extension is important
 382         dialogCreateOptions.optionFlags |= kNavPreserveSaveFileExtension;
 383
 384         err = ::NavCreatePutFileDialog(&dialogCreateOptions,
 385                                        'TEXT',
 386                                        'TEXT',
 387                                        sStandardNavEventFilter,
 388                                        &myData, // for defaultLocation
 389                                        &dialog);
 390     }
 391     else
 392     {
 393         MakeUserDataRec(&myData , m_wildCard);
 394         size_t numfilters = myData.extensions.GetCount();
 395         if (numfilters > 0)
 396         {
 397             CFMutableArrayRef popup = CFArrayCreateMutable( kCFAllocatorDefault ,
 398                 numfilters , &kCFTypeArrayCallBacks ) ;
 399             dialogCreateOptions.popupExtension = popup ;
 400             myData.menuitems = dialogCreateOptions.popupExtension ;
 401             for ( size_t i = 0 ; i < numfilters ; ++i )
 402             {
 403                 CFArrayAppendValue( popup , (CFStringRef) wxMacCFStringHolder( myData.name[i] , m_font.GetEncoding() ) ) ;
 404             }
 405         }
 406
 407         navFilterUPP = NewNavObjectFilterUPP(CrossPlatformFilterCallback);
 408         err = ::NavCreateGetFileDialog(&dialogCreateOptions,
 409                                        NULL, // NavTypeListHandle
 410                                        sStandardNavEventFilter,
 411                                        NULL, // NavPreviewUPP
 412                                        navFilterUPP,
 413                                        (void *) &myData, // inClientData
 414                                        &dialog);
 415     }
 416
 417     if (err == noErr)
 418         err = ::NavDialogRun(dialog);
 419
 420     // clean up filter related data, etc.
 421     if (navFilterUPP)
 422         ::DisposeNavObjectFilterUPP(navFilterUPP);
 423     if (cfArray)
 424         ::CFRelease(cfArray);
 425
 426     if (err != noErr)
 427         return wxID_CANCEL;
 428
 429     NavReplyRecord navReply;
 430     err = ::NavDialogGetReply(dialog, &navReply);
 431     if (err == noErr && navReply.validRecord)
 432     {
 433         AEKeyword   theKeyword;
 434         DescType    actualType;
 435         Size        actualSize;
 436         FSRef       theFSRef;
 437         wxString thePath ;
 438         long count;
 439         ::AECountItems(&navReply.selection , &count);
 440         for (long i = 1; i <= count; ++i)
 441         {
 442             err = ::AEGetNthPtr(&(navReply.selection), i, typeFSRef, &theKeyword, &actualType,
 443                                 &theFSRef, sizeof(theFSRef), &actualSize);
 444             if (err != noErr)
 445                 break;
 446
 447             CFURLRef fullURLRef;
 448             if (HasFlag(wxFD_SAVE))
 449             {
 450                 CFURLRef parentURLRef = ::CFURLCreateFromFSRef(NULL, &theFSRef);
 451
 452                 if (parentURLRef)
 453                 {
 454                     fullURLRef =
 455                         ::CFURLCreateCopyAppendingPathComponent(NULL,
 456                                                                 parentURLRef,
 457                                                                 navReply.saveFileName,
 458                                                                 false);
 459                     ::CFRelease(parentURLRef);
 460                 }
 461             }
 462             else
 463             {
 464                 fullURLRef = ::CFURLCreateFromFSRef(NULL, &theFSRef);
 465             }
 466 #ifdef __UNIX__
 467             CFURLPathStyle pathstyle = kCFURLPOSIXPathStyle;
 468 #else
 469             CFURLPathStyle pathstyle = kCFURLHFSPathStyle;
 470 #endif
 471             CFStringRef cfString = CFURLCopyFileSystemPath(fullURLRef, pathstyle);
 472             thePath = wxMacCFStringHolder(cfString).AsString(m_font.GetEncoding());
 473             if (!thePath)
 474             {
 475                 ::NavDisposeReply(&navReply);
 476                 return wxID_CANCEL;
 477             }
 478             m_path = thePath;
 479             m_paths.Add(m_path);
 480             m_fileName = wxFileNameFromPath(m_path);
 481             m_fileNames.Add(m_fileName);
 482         }
 483         // set these to the first hit
 484         m_path = m_paths[0];
 485         m_fileName = wxFileNameFromPath(m_path);
 486         m_dir = wxPathOnly(m_path);
 487     }
 488     ::NavDisposeReply(&navReply);
 489
 490     return (err == noErr) ? wxID_OK : wxID_CANCEL;
 491 #else // TARGET_CARBON
 492
 493     NavDialogOptions           mNavOptions;
 494     NavObjectFilterUPP           mNavFilterUPP = NULL;
 495     NavPreviewUPP           mNavPreviewUPP = NULL ;
 496     NavReplyRecord           mNavReply;
 497     AEDesc               mDefaultLocation ;
 498     bool               mSelectDefault = false ;
 499     OSStatus            err = noErr ;
 500     // setup dialog
 501
 502     mNavFilterUPP    = nil;
 503     mNavPreviewUPP    = nil;
 504     mSelectDefault    = false;
 505     mDefaultLocation.descriptorType = typeNull;
 506     mDefaultLocation.dataHandle     = nil;
 507
 508     NavGetDefaultDialogOptions(&mNavOptions);
 509     wxMacStringToPascal( m_message , (StringPtr)mNavOptions.message ) ;
 510     wxMacStringToPascal( m_fileName , (StringPtr)mNavOptions.savedFileName ) ;
 511
 512     // Set default location, the location
 513     //   that's displayed when the dialog
 514     //   first appears
 515
 516     FSSpec location ;
 517     wxMacFilename2FSSpec( m_dir , &location ) ;
 518
 519     err = ::AECreateDesc(typeFSS, &location, sizeof(FSSpec), &mDefaultLocation );
 520
 521     if ( mDefaultLocation.dataHandle )
 522     {
 523         if (mSelectDefault)
 524         {
 525             mNavOptions.dialogOptionFlags |= kNavSelectDefaultLocation;
 526         } else {
 527             mNavOptions.dialogOptionFlags &= ~kNavSelectDefaultLocation;
 528         }
 529     }
 530
 531     memset( &mNavReply , 0 , sizeof( mNavReply ) ) ;
 532     mNavReply.validRecord = false;
 533     mNavReply.replacing = false;
 534     mNavReply.isStationery = false;
 535     mNavReply.translationNeeded = false;
 536     mNavReply.selection.descriptorType = typeNull;
 537     mNavReply.selection.dataHandle = nil;
 538     mNavReply.keyScript = smSystemScript;
 539     mNavReply.fileTranslation = nil;
 540     mNavReply.version = kNavReplyRecordVersion ;
 541
 542     // zero all data
 543
 544     m_path = wxEmptyString ;
 545     m_fileName = wxEmptyString ;
 546     m_paths.Empty();
 547     m_fileNames.Empty();
 548
 549     OpenUserDataRec            myData;
 550     MakeUserDataRec( &myData , m_wildCard ) ;
 551     myData.currentfilter = m_filterIndex ;
 552     if ( myData.extensions.GetCount() > 0 )
 553     {
 554         mNavOptions.popupExtension = (NavMenuItemSpecArrayHandle) NewHandle( sizeof( NavMenuItemSpec ) * myData.extensions.GetCount() ) ;
 555         myData.menuitems = mNavOptions.popupExtension ;
 556         for ( size_t i = 0 ; i < myData.extensions.GetCount() ; ++i )
 557         {
 558             (*mNavOptions.popupExtension)[i].version     = kNavMenuItemSpecVersion ;
 559             (*mNavOptions.popupExtension)[i].menuCreator = 'WXNG' ;
 560             // TODO : according to the new docs  -1 to 10 are reserved for the OS
 561             (*mNavOptions.popupExtension)[i].menuType    = i ;
 562             wxMacStringToPascal( myData.name[i] , (StringPtr)(*mNavOptions.popupExtension)[i].menuItemName ) ;
 563         }
 564     }
 565     if ( HasFlag(wxFD_SAVE) )
 566     {
 567         myData.saveMode = true ;
 568
 569         mNavOptions.dialogOptionFlags |= kNavDontAutoTranslate ;
 570         mNavOptions.dialogOptionFlags |= kNavDontAddTranslateItems ;
 571
 572         err = ::NavPutFile(
 573                            &mDefaultLocation,
 574                            &mNavReply,
 575                            &mNavOptions,
 576                            sStandardNavEventFilter ,
 577                            NULL,
 578                            kNavGenericSignature,
 579                            &myData);                    // User Data
 580         m_filterIndex = myData.currentfilter ;
 581     }
 582     else
 583     {
 584         myData.saveMode = false ;
 585
 586         mNavFilterUPP = NewNavObjectFilterUPP( CrossPlatformFilterCallback ) ;
 587         if ( m_windowStyle & wxMULTIPLE )
 588             mNavOptions.dialogOptionFlags |= kNavAllowMultipleFiles ;
 589         else
 590             mNavOptions.dialogOptionFlags &= ~kNavAllowMultipleFiles ;
 591
 592         err = ::NavGetFile(
 593                            &mDefaultLocation,
 594                            &mNavReply,
 595                            &mNavOptions,
 596                            sStandardNavEventFilter ,
 597                            mNavPreviewUPP,
 598                            mNavFilterUPP,
 599                            NULL ,
 600                            &myData);
 601         m_filterIndex = myData.currentfilter ;
 602     }
 603
 604     DisposeNavObjectFilterUPP(mNavFilterUPP);
 605     if ( mDefaultLocation.dataHandle != nil )
 606     {
 607         ::AEDisposeDesc(&mDefaultLocation);
 608     }
 609
 610     if ( (err != noErr) && (err != userCanceledErr) ) {
 611         return wxID_CANCEL ;
 612     }
 613
 614     if (mNavReply.validRecord)
 615     {
 616         FSSpec  outFileSpec ;
 617         AEDesc specDesc ;
 618         AEKeyword keyWord ;
 619
 620         long count ;
 621         ::AECountItems( &mNavReply.selection , &count ) ;
 622         for ( long i = 1 ; i <= count ; ++i )
 623         {
 624             OSErr err = ::AEGetNthDesc( &mNavReply.selection , i , typeFSS, &keyWord , &specDesc);
 625             if ( err != noErr )
 626             {
 627                 m_path = wxEmptyString ;
 628                 return wxID_CANCEL ;
 629             }
 630             outFileSpec = **(FSSpec**) specDesc.dataHandle;
 631             if (specDesc.dataHandle != nil) {
 632                 ::AEDisposeDesc(&specDesc);
 633             }
 634             m_path = wxMacFSSpec2MacFilename( &outFileSpec ) ;
 635
 636             m_paths.Add( m_path ) ;
 637             m_fileName = wxFileNameFromPath(m_path);
 638             m_fileNames.Add(m_fileName);
 639         }
 640         // set these to the first hit
 641         m_path = m_paths[ 0 ] ;
 642         m_fileName = wxFileNameFromPath(m_path);
 643         m_dir = wxPathOnly(m_path);
 644         NavDisposeReply( &mNavReply ) ;
 645         return wxID_OK ;
 646     }
 647     return wxID_CANCEL;
 648 #endif // TARGET_CARBON
 649 }