src/mac/carbon/filedlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/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 #if wxUSE_FILEDLG
  15
  16 #include "wx/filedlg.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/intl.h"
  20     #include "wx/app.h"
  21     #include "wx/utils.h"
  22     #include "wx/dialog.h"
  23 #endif
  24
  25 #include "wx/tokenzr.h"
  26 #include "wx/filename.h"
  27
  28 #include "wx/mac/private.h"
  29
  30 #ifndef __DARWIN__
  31     #include <Navigation.h>
  32     #include "PLStringFuncs.h"
  33 #endif
  34
  35 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
  36
  37 // the data we need to pass to our standard file hook routine
  38 // includes a pointer to the dialog, a pointer to the standard
  39 // file reply record (so we can inspect the current selection)
  40 // and a copy of the "previous" file spec of the reply record
  41 // so we can see if the selection has changed
  42
  43 struct OpenUserDataRec
  44 {
  45   int                currentfilter ;
  46   bool               saveMode ;
  47   wxArrayString      name ;
  48   wxArrayString      extensions ;
  49   wxArrayLong        filtermactypes ;
  50   wxString           defaultLocation;
  51   CFArrayRef         menuitems ;
  52 };
  53
  54 typedef struct OpenUserDataRec
  55 OpenUserDataRec, *OpenUserDataRecPtr;
  56
  57 static pascal void NavEventProc(
  58     NavEventCallbackMessage inSelector,
  59     NavCBRecPtr ioParams,
  60     NavCallBackUserData ioUserData );
  61
  62 static NavEventUPP sStandardNavEventFilter = NewNavEventUPP(NavEventProc);
  63
  64 static pascal void NavEventProc(
  65     NavEventCallbackMessage inSelector,
  66     NavCBRecPtr ioParams,
  67     NavCallBackUserData ioUserData )
  68 {
  69     OpenUserDataRec * data = ( OpenUserDataRec *) ioUserData ;
  70     if (inSelector == kNavCBEvent)
  71     {
  72     }
  73     else if ( inSelector == kNavCBStart )
  74     {
  75         if (data && !(data->defaultLocation).empty())
  76         {
  77             // Set default location for the modern Navigation APIs
  78             // Apple Technical Q&A 1151
  79             FSRef theFile;
  80             wxMacPathToFSRef(data->defaultLocation, &theFile);
  81             AEDesc theLocation = { typeNull, NULL };
  82             if (noErr == ::AECreateDesc(typeFSRef, &theFile, sizeof(FSRef), &theLocation))
  83                 ::NavCustomControl(ioParams->context, kNavCtlSetLocation, (void *) &theLocation);
  84         }
  85
  86         NavMenuItemSpec  menuItem;
  87         menuItem.version = kNavMenuItemSpecVersion;
  88         menuItem.menuCreator = 'WXNG';
  89         menuItem.menuType = data->currentfilter;
  90         wxMacStringToPascal( data->name[data->currentfilter] , (StringPtr)(menuItem.menuItemName) ) ;
  91         ::NavCustomControl(ioParams->context, kNavCtlSelectCustomType, &menuItem);
  92     }
  93     else if ( inSelector == kNavCBPopupMenuSelect )
  94     {
  95         NavMenuItemSpec * menu = (NavMenuItemSpec *) ioParams->eventData.eventDataParms.param ;
  96         const size_t numFilters = data->extensions.GetCount();
  97
  98         if ( menu->menuType < numFilters )
  99         {
 100             data->currentfilter = menu->menuType ;
 101             if ( data->saveMode )
 102             {
 103                 int i = menu->menuType ;
 104
 105                 // isolate the first extension string
 106                 wxString firstExtension = data->extensions[i].BeforeFirst('|').BeforeFirst(';');
 107
 108                 wxString extension = firstExtension.AfterLast('.') ;
 109                 wxString sfilename ;
 110
 111                 wxMacCFStringHolder cfString( NavDialogGetSaveFileName( ioParams->context ) , false  );
 112                 sfilename = cfString.AsString() ;
 113
 114                 int pos = sfilename.Find('.', true) ;
 115                 if ( pos != wxNOT_FOUND )
 116                 {
 117                     sfilename = sfilename.Left(pos+1)+extension ;
 118                     cfString.Assign( sfilename , wxFONTENCODING_DEFAULT ) ;
 119                     NavDialogSetSaveFileName( ioParams->context , cfString ) ;
 120                 }
 121             }
 122         }
 123     }
 124 }
 125
 126 void MakeUserDataRec(OpenUserDataRec *myData , const wxString& filter )
 127 {
 128     myData->menuitems = NULL ;
 129     myData->currentfilter = 0 ;
 130     myData->saveMode = false ;
 131
 132     if ( !filter.empty() )
 133     {
 134         wxString filter2(filter) ;
 135         int filterIndex = 0;
 136         bool isName = true ;
 137         wxString current ;
 138
 139         for ( unsigned int i = 0; i < filter2.length() ; i++ )
 140         {
 141             if ( filter2.GetChar(i) == wxT('|') )
 142             {
 143                 if ( isName )
 144                 {
 145                     myData->name.Add( current ) ;
 146                 }
 147                 else
 148                 {
 149                     myData->extensions.Add( current ) ;
 150                     ++filterIndex ;
 151                 }
 152
 153                 isName = !isName ;
 154                 current = wxEmptyString ;
 155             }
 156             else
 157             {
 158                 current += filter2.GetChar(i) ;
 159             }
 160         }
 161         // we allow for compatibility reason to have a single filter expression (like *.*) without
 162         // an explanatory text, in that case the first part is name and extension at the same time
 163
 164         wxASSERT_MSG( filterIndex == 0 || !isName , wxT("incorrect format of format string") ) ;
 165         if ( current.empty() )
 166             myData->extensions.Add( myData->name[filterIndex] ) ;
 167         else
 168             myData->extensions.Add( current ) ;
 169         if ( filterIndex == 0 || isName )
 170             myData->name.Add( current ) ;
 171
 172         ++filterIndex ;
 173
 174         const size_t extCount = myData->extensions.GetCount();
 175         for ( size_t i = 0 ; i < extCount; i++ )
 176         {
 177             wxUint32 fileType, creator;
 178             wxString extension = myData->extensions[i];
 179
 180             // Remove leading '*'
 181             if (extension.length() && (extension.GetChar(0) == '*'))
 182                 extension = extension.Mid( 1 );
 183
 184             // Remove leading '.'
 185             if (extension.length() && (extension.GetChar(0) == '.'))
 186                 extension = extension.Mid( 1 );
 187
 188             if (wxFileName::MacFindDefaultTypeAndCreator( extension, &fileType, &creator ))
 189                 myData->filtermactypes.Add( (OSType)fileType );
 190             else
 191                 myData->filtermactypes.Add( '****' ); // We'll fail safe if it's not recognized
 192         }
 193     }
 194 }
 195
 196 static Boolean CheckFile( const wxString &filename , OSType type , OpenUserDataRecPtr data)
 197 {
 198     wxString file(filename) ;
 199     file.MakeUpper() ;
 200
 201     if ( data->extensions.GetCount() > 0 )
 202     {
 203         //for ( int i = 0 ; i < data->numfilters ; ++i )
 204         int i = data->currentfilter ;
 205         if ( data->extensions[i].Right(2) == wxT(".*") )
 206             return true ;
 207
 208         {
 209             if ( type == (OSType)data->filtermactypes[i] )
 210                 return true ;
 211
 212             wxStringTokenizer tokenizer( data->extensions[i] , wxT(";") ) ;
 213             while ( tokenizer.HasMoreTokens() )
 214             {
 215                 wxString extension = tokenizer.GetNextToken() ;
 216                 if ( extension.GetChar(0) == '*' )
 217                     extension = extension.Mid(1) ;
 218                 extension.MakeUpper();
 219
 220                 if ( file.length() >= extension.length() && extension == file.Right(extension.length() ) )
 221                     return true ;
 222             }
 223         }
 224
 225         return false ;
 226     }
 227
 228     return true ;
 229 }
 230
 231 #if !TARGET_API_MAC_OSX
 232 static pascal Boolean CrossPlatformFileFilter(CInfoPBPtr myCInfoPBPtr, void *dataPtr)
 233 {
 234     OpenUserDataRecPtr data = (OpenUserDataRecPtr) dataPtr ;
 235     // return true if this item is invisible or a file
 236
 237     Boolean visibleFlag;
 238     Boolean folderFlag;
 239
 240     visibleFlag = ! (myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible);
 241     folderFlag = (myCInfoPBPtr->hFileInfo.ioFlAttrib & 0x10);
 242
 243     // because the semantics of the filter proc are "true means don't show
 244     // it" we need to invert the result that we return
 245
 246     if ( !visibleFlag )
 247         return true ;
 248
 249     if ( !folderFlag )
 250     {
 251         wxString file = wxMacMakeStringFromPascal( myCInfoPBPtr->hFileInfo.ioNamePtr ) ;
 252         return !CheckFile( file , myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdType , data ) ;
 253     }
 254
 255     return false ;
 256 }
 257 #endif
 258
 259 // end wxmac
 260
 261 wxFileDialog::wxFileDialog(
 262     wxWindow *parent, const wxString& message,
 263     const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
 264     long style, const wxPoint& pos, const wxSize& sz, const wxString& name)
 265     : wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name)
 266 {
 267     wxASSERT_MSG( NavServicesAvailable() , wxT("Navigation Services are not running") ) ;
 268 }
 269
 270 pascal Boolean CrossPlatformFilterCallback(
 271     AEDesc *theItem,
 272     void *info,
 273     void *callBackUD,
 274     NavFilterModes filterMode )
 275 {
 276     OpenUserDataRecPtr data = (OpenUserDataRecPtr) callBackUD ;
 277
 278     if (filterMode == kNavFilteringBrowserList)
 279     {
 280         // We allow navigation to all folders. For files, we check against the current
 281         // filter string.
 282         // However, packages should be dealt with like files and not like folders. So
 283         // check if a folder is a package before deciding what to do.
 284         FSRef fsref;
 285         NavFileOrFolderInfo* theInfo = (NavFileOrFolderInfo*) info ;
 286         AECoerceDesc (theItem, typeFSRef, theItem);
 287         if ( AEGetDescData (theItem, &fsref, sizeof (FSRef)) != noErr)
 288             return true;
 289
 290         if ( theInfo->isFolder )
 291         {
 292             // check bundle bit (using Finder Services - used by OS9 on some bundles)
 293             FSCatalogInfo catalogInfo;
 294             if (FSGetCatalogInfo (&fsref, kFSCatInfoFinderInfo, &catalogInfo, NULL, NULL, NULL) != noErr)
 295                 return true;
 296
 297             // Check bundle item (using Launch Services - used by OS-X through info.plist or APP)
 298             LSItemInfoRecord lsInfo;
 299             if (LSCopyItemInfoForRef(&fsref, kLSRequestBasicFlagsOnly, &lsInfo ) != noErr)
 300                 return true;
 301
 302             // If it's not a bundle, then it's a normal folder and it passes our filter
 303             FileInfo *fileInfo = (FileInfo *) catalogInfo.finderInfo;
 304             if ( !(fileInfo->finderFlags & kHasBundle) &&
 305                  !(lsInfo.flags & (kLSItemInfoIsApplication | kLSItemInfoIsPackage)) )
 306                 return true;
 307         }
 308
 309         wxString file = wxMacFSRefToPath( &fsref ) ;
 310         return CheckFile( file , theInfo->fileAndFolder.fileInfo.finderInfo.fdType , data ) ;
 311
 312     }
 313
 314     return true;
 315 }
 316
 317 int wxFileDialog::ShowModal()
 318 {
 319     OSErr err;
 320     NavDialogCreationOptions dialogCreateOptions;
 321
 322     // set default options
 323     ::NavGetDefaultDialogCreationOptions(&dialogCreateOptions);
 324
 325     // this was always unset in the old code
 326     dialogCreateOptions.optionFlags &= ~kNavSelectDefaultLocation;
 327
 328     wxMacCFStringHolder message(m_message, m_font.GetEncoding());
 329     dialogCreateOptions.windowTitle = message;
 330
 331     wxMacCFStringHolder defaultFileName(m_fileName, m_font.GetEncoding());
 332     dialogCreateOptions.saveFileName = defaultFileName;
 333
 334
 335     NavDialogRef dialog;
 336     NavObjectFilterUPP navFilterUPP = NULL;
 337     OpenUserDataRec myData;
 338     myData.defaultLocation = m_dir;
 339
 340     MakeUserDataRec(&myData , m_wildCard);
 341     myData.currentfilter = m_filterIndex;
 342     size_t numFilters = myData.extensions.GetCount();
 343     if (numFilters)
 344     {
 345         CFMutableArrayRef popup = CFArrayCreateMutable( kCFAllocatorDefault ,
 346             numFilters , &kCFTypeArrayCallBacks ) ;
 347         dialogCreateOptions.popupExtension = popup ;
 348         myData.menuitems = dialogCreateOptions.popupExtension ;
 349         for ( size_t i = 0 ; i < numFilters ; ++i )
 350         {
 351             CFArrayAppendValue( popup , (CFStringRef) wxMacCFStringHolder( myData.name[i] , m_font.GetEncoding() ) ) ;
 352         }
 353     }
 354
 355     if (HasFdFlag(wxFD_SAVE))
 356     {
 357         myData.saveMode = true;
 358
 359         dialogCreateOptions.optionFlags |= kNavDontAutoTranslate;
 360         dialogCreateOptions.optionFlags |= kNavDontAddTranslateItems;
 361         if (!numFilters)
 362             dialogCreateOptions.optionFlags |= kNavNoTypePopup;
 363
 364         // The extension is important
 365         if (numFilters < 2)
 366             dialogCreateOptions.optionFlags |= kNavPreserveSaveFileExtension;
 367
 368 #if TARGET_API_MAC_OSX
 369         if (!(m_windowStyle & wxFD_OVERWRITE_PROMPT))
 370             dialogCreateOptions.optionFlags |= kNavDontConfirmReplacement;
 371 #endif
 372
 373         err = ::NavCreatePutFileDialog(
 374             &dialogCreateOptions,
 375             kNavGenericSignature, // Suppresses the 'Default' (top) menu item
 376             kNavGenericSignature,
 377             sStandardNavEventFilter,
 378             &myData, // for defaultLocation
 379             &dialog );
 380     }
 381     else
 382     {
 383         // let the user select bundles/programs in dialogs
 384         dialogCreateOptions.optionFlags |= kNavSupportPackages;
 385
 386         navFilterUPP = NewNavObjectFilterUPP(CrossPlatformFilterCallback);
 387         err = ::NavCreateGetFileDialog(
 388             &dialogCreateOptions,
 389             NULL, // NavTypeListHandle
 390             sStandardNavEventFilter,
 391             NULL, // NavPreviewUPP
 392             navFilterUPP,
 393             (void *) &myData, // inClientData
 394             &dialog );
 395     }
 396
 397     if (err == noErr)
 398         err = ::NavDialogRun(dialog);
 399
 400     // clean up filter related data, etc.
 401     if (navFilterUPP)
 402         ::DisposeNavObjectFilterUPP(navFilterUPP);
 403
 404     if (err != noErr)
 405         return wxID_CANCEL;
 406
 407     NavReplyRecord navReply;
 408     err = ::NavDialogGetReply(dialog, &navReply);
 409     if (err == noErr && navReply.validRecord)
 410     {
 411         AEKeyword   theKeyword;
 412         DescType    actualType;
 413         Size        actualSize;
 414         FSRef       theFSRef;
 415         wxString thePath ;
 416         long count;
 417
 418         m_filterIndex = myData.currentfilter;
 419         ::AECountItems( &navReply.selection, &count );
 420         for (long i = 1; i <= count; ++i)
 421         {
 422             err = ::AEGetNthPtr(
 423                 &(navReply.selection), i, typeFSRef, &theKeyword, &actualType,
 424                 &theFSRef, sizeof(theFSRef), &actualSize );
 425             if (err != noErr)
 426                 break;
 427
 428             if (HasFdFlag(wxFD_SAVE))
 429                 thePath = wxMacFSRefToPath( &theFSRef, navReply.saveFileName );
 430             else
 431                 thePath = wxMacFSRefToPath( &theFSRef );
 432
 433             if (!thePath)
 434             {
 435                 ::NavDisposeReply(&navReply);
 436                 return wxID_CANCEL;
 437             }
 438
 439             m_path = thePath;
 440             m_paths.Add(m_path);
 441             m_fileName = wxFileNameFromPath(m_path);
 442             m_fileNames.Add(m_fileName);
 443         }
 444
 445         // set these to the first hit
 446         m_path = m_paths[0];
 447         m_fileName = wxFileNameFromPath(m_path);
 448         m_dir = wxPathOnly(m_path);
 449     }
 450
 451     ::NavDisposeReply(&navReply);
 452
 453     return (err == noErr) ? wxID_OK : wxID_CANCEL;
 454 }
 455
 456 #endif // wxUSE_FILEDLG
 457