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         if( data->extensions.GetCount() > 0 )
  87         {
  88             NavMenuItemSpec  menuItem;
  89             memset( &menuItem, 0, sizeof(menuItem) );
  90             menuItem.version = kNavMenuItemSpecVersion;
  91             menuItem.menuType = data->currentfilter;
  92             ::NavCustomControl(ioParams->context, kNavCtlSelectCustomType, &menuItem);
  93         }
  94     }
  95     else if ( inSelector == kNavCBPopupMenuSelect )
  96     {
  97         NavMenuItemSpec * menu = (NavMenuItemSpec *) ioParams->eventData.eventDataParms.param ;
  98         const size_t numFilters = data->extensions.GetCount();
  99
 100         if ( menu->menuType < numFilters )
 101         {
 102             data->currentfilter = menu->menuType ;
 103             if ( data->saveMode )
 104             {
 105                 int i = menu->menuType ;
 106
 107                 // isolate the first extension string
 108                 wxString firstExtension = data->extensions[i].BeforeFirst('|').BeforeFirst(';');
 109
 110                 wxString extension = firstExtension.AfterLast('.') ;
 111                 wxString sfilename ;
 112
 113                 wxMacCFStringHolder cfString( NavDialogGetSaveFileName( ioParams->context ) , false  );
 114                 sfilename = cfString.AsString() ;
 115
 116                 int pos = sfilename.Find('.', true) ;
 117                 if ( pos != wxNOT_FOUND && extension != wxT("*") )
 118                 {
 119                     sfilename = sfilename.Left(pos+1)+extension ;
 120                     cfString.Assign( sfilename , wxFONTENCODING_DEFAULT ) ;
 121                     NavDialogSetSaveFileName( ioParams->context , cfString ) ;
 122                 }
 123             }
 124         }
 125     }
 126 }
 127
 128 void MakeUserDataRec(OpenUserDataRec *myData , const wxString& filter )
 129 {
 130     myData->menuitems = NULL ;
 131     myData->currentfilter = 0 ;
 132     myData->saveMode = false ;
 133
 134     if ( !filter.empty() )
 135     {
 136         wxString filter2(filter) ;
 137         int filterIndex = 0;
 138         bool isName = true ;
 139         wxString current ;
 140
 141         for ( unsigned int i = 0; i < filter2.length() ; i++ )
 142         {
 143             if ( filter2.GetChar(i) == wxT('|') )
 144             {
 145                 if ( isName )
 146                 {
 147                     myData->name.Add( current ) ;
 148                 }
 149                 else
 150                 {
 151                     myData->extensions.Add( current ) ;
 152                     ++filterIndex ;
 153                 }
 154
 155                 isName = !isName ;
 156                 current = wxEmptyString ;
 157             }
 158             else
 159             {
 160                 current += filter2.GetChar(i) ;
 161             }
 162         }
 163         // we allow for compatibility reason to have a single filter expression (like *.*) without
 164         // an explanatory text, in that case the first part is name and extension at the same time
 165
 166         wxASSERT_MSG( filterIndex == 0 || !isName , wxT("incorrect format of format string") ) ;
 167         if ( current.empty() )
 168             myData->extensions.Add( myData->name[filterIndex] ) ;
 169         else
 170             myData->extensions.Add( current ) ;
 171         if ( filterIndex == 0 || isName )
 172             myData->name.Add( current ) ;
 173
 174         ++filterIndex ;
 175
 176         const size_t extCount = myData->extensions.GetCount();
 177         for ( size_t i = 0 ; i < extCount; i++ )
 178         {
 179             wxUint32 fileType, creator;
 180             wxString extension = myData->extensions[i];
 181
 182             // Remove leading '*'
 183             if (extension.length() && (extension.GetChar(0) == '*'))
 184                 extension = extension.Mid( 1 );
 185
 186             // Remove leading '.'
 187             if (extension.length() && (extension.GetChar(0) == '.'))
 188                 extension = extension.Mid( 1 );
 189
 190             if (wxFileName::MacFindDefaultTypeAndCreator( extension, &fileType, &creator ))
 191                 myData->filtermactypes.Add( (OSType)fileType );
 192             else
 193                 myData->filtermactypes.Add( '****' ); // We'll fail safe if it's not recognized
 194         }
 195     }
 196 }
 197
 198 static Boolean CheckFile( const wxString &filename , OSType type , OpenUserDataRecPtr data)
 199 {
 200     wxString file(filename) ;
 201     file.MakeUpper() ;
 202
 203     if ( data->extensions.GetCount() > 0 )
 204     {
 205         //for ( int i = 0 ; i < data->numfilters ; ++i )
 206         int i = data->currentfilter ;
 207         if ( data->extensions[i].Right(2) == wxT(".*") )
 208             return true ;
 209
 210         {
 211             if ( type == (OSType)data->filtermactypes[i] )
 212                 return true ;
 213
 214             wxStringTokenizer tokenizer( data->extensions[i] , wxT(";") ) ;
 215             while ( tokenizer.HasMoreTokens() )
 216             {
 217                 wxString extension = tokenizer.GetNextToken() ;
 218                 if ( extension.GetChar(0) == '*' )
 219                     extension = extension.Mid(1) ;
 220                 extension.MakeUpper();
 221
 222                 if ( file.length() >= extension.length() && extension == file.Right(extension.length() ) )
 223                     return true ;
 224             }
 225         }
 226
 227         return false ;
 228     }
 229
 230     return true ;
 231 }
 232
 233 // end wxmac
 234
 235 wxFileDialog::wxFileDialog(
 236     wxWindow *parent, const wxString& message,
 237     const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
 238     long style, const wxPoint& pos, const wxSize& sz, const wxString& name)
 239     : wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name)
 240 {
 241     wxASSERT_MSG( NavServicesAvailable() , wxT("Navigation Services are not running") ) ;
 242 }
 243
 244 pascal Boolean CrossPlatformFilterCallback(
 245     AEDesc *theItem,
 246     void *info,
 247     void *callBackUD,
 248     NavFilterModes filterMode )
 249 {
 250     OpenUserDataRecPtr data = (OpenUserDataRecPtr) callBackUD ;
 251
 252     if (filterMode == kNavFilteringBrowserList)
 253     {
 254         // We allow navigation to all folders. For files, we check against the current
 255         // filter string.
 256         // However, packages should be dealt with like files and not like folders. So
 257         // check if a folder is a package before deciding what to do.
 258         NavFileOrFolderInfo* theInfo = (NavFileOrFolderInfo*) info ;
 259         FSRef fsref;
 260
 261         if ( theInfo->isFolder )
 262         {
 263             // check bundle bit (using Finder Services - used by OS9 on some bundles)
 264             FSCatalogInfo catalogInfo;
 265             if (FSGetCatalogInfo (&fsref, kFSCatInfoFinderInfo, &catalogInfo, NULL, NULL, NULL) != noErr)
 266                 return true;
 267
 268             // Check bundle item (using Launch Services - used by OS-X through info.plist or APP)
 269             LSItemInfoRecord lsInfo;
 270             if (LSCopyItemInfoForRef(&fsref, kLSRequestBasicFlagsOnly, &lsInfo ) != noErr)
 271                 return true;
 272
 273             // If it's not a bundle, then it's a normal folder and it passes our filter
 274             FileInfo *fileInfo = (FileInfo *) catalogInfo.finderInfo;
 275             if ( !(fileInfo->finderFlags & kHasBundle) &&
 276                  !(lsInfo.flags & (kLSItemInfoIsApplication | kLSItemInfoIsPackage)) )
 277                 return true;
 278         }
 279         else
 280         {
 281             AECoerceDesc (theItem, typeFSRef, theItem);
 282             if ( AEGetDescData (theItem, &fsref, sizeof (FSRef)) == noErr)
 283             {
 284                 wxString file = wxMacFSRefToPath( &fsref ) ;
 285                 return CheckFile( file , theInfo->fileAndFolder.fileInfo.finderInfo.fdType , data ) ;
 286             }
 287         }
 288     }
 289
 290     return true;
 291 }
 292
 293 int wxFileDialog::ShowModal()
 294 {
 295     OSErr err;
 296     NavDialogCreationOptions dialogCreateOptions;
 297
 298     // set default options
 299     ::NavGetDefaultDialogCreationOptions(&dialogCreateOptions);
 300
 301     // this was always unset in the old code
 302     dialogCreateOptions.optionFlags &= ~kNavSelectDefaultLocation;
 303
 304     wxMacCFStringHolder message(m_message, m_font.GetEncoding());
 305     dialogCreateOptions.windowTitle = message;
 306
 307     wxMacCFStringHolder defaultFileName(m_fileName, m_font.GetEncoding());
 308     dialogCreateOptions.saveFileName = defaultFileName;
 309
 310
 311     NavDialogRef dialog;
 312     NavObjectFilterUPP navFilterUPP = NULL;
 313     OpenUserDataRec myData;
 314     myData.defaultLocation = m_dir;
 315
 316     MakeUserDataRec(&myData , m_wildCard);
 317     myData.currentfilter = m_filterIndex;
 318     size_t numFilters = myData.extensions.GetCount();
 319     if (numFilters)
 320     {
 321         CFMutableArrayRef popup = CFArrayCreateMutable( kCFAllocatorDefault ,
 322             numFilters , &kCFTypeArrayCallBacks ) ;
 323         dialogCreateOptions.popupExtension = popup ;
 324         myData.menuitems = dialogCreateOptions.popupExtension ;
 325         for ( size_t i = 0 ; i < numFilters ; ++i )
 326         {
 327             CFArrayAppendValue( popup , (CFStringRef) wxMacCFStringHolder( myData.name[i] , m_font.GetEncoding() ) ) ;
 328         }
 329     }
 330
 331     if (HasFdFlag(wxFD_SAVE))
 332     {
 333         myData.saveMode = true;
 334
 335         dialogCreateOptions.optionFlags |= kNavDontAutoTranslate;
 336         dialogCreateOptions.optionFlags |= kNavDontAddTranslateItems;
 337         if (!numFilters)
 338             dialogCreateOptions.optionFlags |= kNavNoTypePopup;
 339
 340         // The extension is important
 341         if (numFilters < 2)
 342             dialogCreateOptions.optionFlags |= kNavPreserveSaveFileExtension;
 343
 344 #if TARGET_API_MAC_OSX
 345         if (!(m_windowStyle & wxFD_OVERWRITE_PROMPT))
 346             dialogCreateOptions.optionFlags |= kNavDontConfirmReplacement;
 347 #endif
 348
 349         err = ::NavCreatePutFileDialog(
 350             &dialogCreateOptions,
 351             kNavGenericSignature, // Suppresses the 'Default' (top) menu item
 352             kNavGenericSignature,
 353             sStandardNavEventFilter,
 354             &myData, // for defaultLocation
 355             &dialog );
 356     }
 357     else
 358     {
 359         // let the user select bundles/programs in dialogs
 360         dialogCreateOptions.optionFlags |= kNavSupportPackages;
 361
 362         navFilterUPP = NewNavObjectFilterUPP(CrossPlatformFilterCallback);
 363         err = ::NavCreateGetFileDialog(
 364             &dialogCreateOptions,
 365             NULL, // NavTypeListHandle
 366             sStandardNavEventFilter,
 367             NULL, // NavPreviewUPP
 368             navFilterUPP,
 369             (void *) &myData, // inClientData
 370             &dialog );
 371     }
 372
 373     if (err == noErr)
 374         err = ::NavDialogRun(dialog);
 375
 376     // clean up filter related data, etc.
 377     if (navFilterUPP)
 378         ::DisposeNavObjectFilterUPP(navFilterUPP);
 379
 380     if (err != noErr)
 381     {
 382         ::NavDialogDispose(dialog);
 383         return wxID_CANCEL;
 384     }
 385
 386     NavReplyRecord navReply;
 387     err = ::NavDialogGetReply(dialog, &navReply);
 388     if (err == noErr && navReply.validRecord)
 389     {
 390         AEKeyword   theKeyword;
 391         DescType    actualType;
 392         Size        actualSize;
 393         FSRef       theFSRef;
 394         wxString thePath ;
 395         long count;
 396
 397         m_filterIndex = myData.currentfilter;
 398         ::AECountItems( &navReply.selection, &count );
 399         for (long i = 1; i <= count; ++i)
 400         {
 401             err = ::AEGetNthPtr(
 402                 &(navReply.selection), i, typeFSRef, &theKeyword, &actualType,
 403                 &theFSRef, sizeof(theFSRef), &actualSize );
 404             if (err != noErr)
 405                 break;
 406
 407             if (HasFdFlag(wxFD_SAVE))
 408                 thePath = wxMacFSRefToPath( &theFSRef, navReply.saveFileName );
 409             else
 410                 thePath = wxMacFSRefToPath( &theFSRef );
 411
 412             if (!thePath)
 413             {
 414                 ::NavDisposeReply(&navReply);
 415                 ::NavDialogDispose(dialog);
 416                 return wxID_CANCEL;
 417             }
 418
 419             m_path = thePath;
 420             m_paths.Add(m_path);
 421             m_fileName = wxFileNameFromPath(m_path);
 422             m_fileNames.Add(m_fileName);
 423         }
 424
 425         // set these to the first hit
 426         m_path = m_paths[0];
 427         m_fileName = wxFileNameFromPath(m_path);
 428         m_dir = wxPathOnly(m_path);
 429     }
 430
 431     ::NavDisposeReply(&navReply);
 432     ::NavDialogDispose(dialog);
 433
 434     return (err == noErr) ? wxID_OK : wxID_CANCEL;
 435 }
 436
 437 #endif // wxUSE_FILEDLG
 438