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 #include "wx/filedlg.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/intl.h"
  18     #include "wx/app.h"
  19     #include "wx/utils.h"
  20     #include "wx/dialog.h"
  21 #endif
  22
  23 #include "wx/tokenzr.h"
  24 #include "wx/filename.h"
  25
  26 #include "wx/mac/private.h"
  27
  28 #ifndef __DARWIN__
  29     #include <Navigation.h>
  30     #include "PLStringFuncs.h"
  31 #endif
  32
  33 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
  34
  35 // the data we need to pass to our standard file hook routine
  36 // includes a pointer to the dialog, a pointer to the standard
  37 // file reply record (so we can inspect the current selection)
  38 // and a copy of the "previous" file spec of the reply record
  39 // so we can see if the selection has changed
  40
  41 struct OpenUserDataRec
  42 {
  43   int                currentfilter ;
  44   bool               saveMode ;
  45   wxArrayString      name ;
  46   wxArrayString      extensions ;
  47   wxArrayLong        filtermactypes ;
  48   wxString           defaultLocation;
  49   CFArrayRef         menuitems ;
  50 };
  51
  52 typedef struct OpenUserDataRec
  53 OpenUserDataRec, *OpenUserDataRecPtr;
  54
  55 static pascal void NavEventProc(
  56     NavEventCallbackMessage inSelector,
  57     NavCBRecPtr ioParams,
  58     NavCallBackUserData ioUserData );
  59
  60 static NavEventUPP sStandardNavEventFilter = NewNavEventUPP(NavEventProc);
  61
  62 static pascal void NavEventProc(
  63     NavEventCallbackMessage inSelector,
  64     NavCBRecPtr ioParams,
  65     NavCallBackUserData ioUserData )
  66 {
  67     OpenUserDataRec * data = ( OpenUserDataRec *) ioUserData ;
  68     if (inSelector == kNavCBEvent)
  69     {
  70     }
  71     else if ( inSelector == kNavCBStart )
  72     {
  73         if (data && !(data->defaultLocation).empty())
  74         {
  75             // Set default location for the modern Navigation APIs
  76             // Apple Technical Q&A 1151
  77             FSRef theFile;
  78             wxMacPathToFSRef(data->defaultLocation, &theFile);
  79             AEDesc theLocation = { typeNull, NULL };
  80             if (noErr == ::AECreateDesc(typeFSRef, &theFile, sizeof(FSRef), &theLocation))
  81                 ::NavCustomControl(ioParams->context, kNavCtlSetLocation, (void *) &theLocation);
  82         }
  83
  84         NavMenuItemSpec  menuItem;
  85         menuItem.version = kNavMenuItemSpecVersion;
  86         menuItem.menuCreator = 'WXNG';
  87         menuItem.menuType = data->currentfilter;
  88         wxMacStringToPascal( data->name[data->currentfilter] , (StringPtr)(menuItem.menuItemName) ) ;
  89         ::NavCustomControl(ioParams->context, kNavCtlSelectCustomType, &menuItem);
  90     }
  91     else if ( inSelector == kNavCBPopupMenuSelect )
  92     {
  93         NavMenuItemSpec * menu = (NavMenuItemSpec *) ioParams->eventData.eventDataParms.param ;
  94         const size_t numFilters = data->extensions.GetCount();
  95
  96         if ( menu->menuType < numFilters )
  97         {
  98             data->currentfilter = menu->menuType ;
  99             if ( data->saveMode )
 100             {
 101                 int i = menu->menuType ;
 102                 wxString extension =  data->extensions[i].AfterLast('.') ;
 103                 extension.MakeLower() ;
 104                 wxString sfilename ;
 105
 106                 wxMacCFStringHolder cfString( NavDialogGetSaveFileName( ioParams->context ) , false  );
 107                 sfilename = cfString.AsString() ;
 108
 109                 int pos = sfilename.Find('.', true) ;
 110                 if ( pos != wxNOT_FOUND )
 111                 {
 112                     sfilename = sfilename.Left(pos+1)+extension ;
 113                     cfString.Assign( sfilename , wxFONTENCODING_DEFAULT ) ;
 114                     NavDialogSetSaveFileName( ioParams->context , cfString ) ;
 115                 }
 116             }
 117         }
 118     }
 119 }
 120
 121 void MakeUserDataRec(OpenUserDataRec *myData , const wxString& filter )
 122 {
 123     myData->menuitems = NULL ;
 124     myData->currentfilter = 0 ;
 125     myData->saveMode = false ;
 126
 127     if ( filter && filter[0] )
 128     {
 129         wxString filter2(filter) ;
 130         int filterIndex = 0;
 131         bool isName = true ;
 132         wxString current ;
 133
 134         for ( unsigned int i = 0; i < filter2.length() ; i++ )
 135         {
 136             if ( filter2.GetChar(i) == wxT('|') )
 137             {
 138                 if ( isName )
 139                 {
 140                     myData->name.Add( current ) ;
 141                 }
 142                 else
 143                 {
 144                     myData->extensions.Add( current.MakeUpper() ) ;
 145                     ++filterIndex ;
 146                 }
 147
 148                 isName = !isName ;
 149                 current = wxEmptyString ;
 150             }
 151             else
 152             {
 153                 current += filter2.GetChar(i) ;
 154             }
 155         }
 156         // we allow for compatibility reason to have a single filter expression (like *.*) without
 157         // an explanatory text, in that case the first part is name and extension at the same time
 158
 159         wxASSERT_MSG( filterIndex == 0 || !isName , wxT("incorrect format of format string") ) ;
 160         if ( current.empty() )
 161             myData->extensions.Add( myData->name[filterIndex] ) ;
 162         else
 163             myData->extensions.Add( current.MakeUpper() ) ;
 164         if ( filterIndex == 0 || isName )
 165             myData->name.Add( current.MakeUpper() ) ;
 166
 167         ++filterIndex ;
 168
 169         const size_t extCount = myData->extensions.GetCount();
 170         for ( size_t i = 0 ; i < extCount; i++ )
 171         {
 172             wxUint32 fileType, creator;
 173             wxString extension = myData->extensions[i];
 174
 175             // Remove leading '*'
 176             if (extension.length() && (extension.GetChar(0) == '*'))
 177                 extension = extension.Mid( 1 );
 178
 179             // Remove leading '.'
 180             if (extension.length() && (extension.GetChar(0) == '.'))
 181                 extension = extension.Mid( 1 );
 182
 183             if (wxFileName::MacFindDefaultTypeAndCreator( extension, &fileType, &creator ))
 184                 myData->filtermactypes.Add( (OSType)fileType );
 185             else
 186                 myData->filtermactypes.Add( '****' ); // We'll fail safe if it's not recognized
 187         }
 188     }
 189 }
 190
 191 static Boolean CheckFile( const wxString &filename , OSType type , OpenUserDataRecPtr data)
 192 {
 193     wxString file(filename) ;
 194     file.MakeUpper() ;
 195
 196     if ( data->extensions.GetCount() > 0 )
 197     {
 198         //for ( int i = 0 ; i < data->numfilters ; ++i )
 199         int i = data->currentfilter ;
 200         if ( data->extensions[i].Right(2) == wxT(".*") )
 201             return true ;
 202
 203         {
 204             if ( type == (OSType)data->filtermactypes[i] )
 205                 return true ;
 206
 207             wxStringTokenizer tokenizer( data->extensions[i] , wxT(";") ) ;
 208             while ( tokenizer.HasMoreTokens() )
 209             {
 210                 wxString extension = tokenizer.GetNextToken() ;
 211                 if ( extension.GetChar(0) == '*' )
 212                     extension = extension.Mid(1) ;
 213
 214                 if ( file.length() >= extension.length() && extension == file.Right(extension.length() ) )
 215                     return true ;
 216             }
 217         }
 218
 219         return false ;
 220     }
 221
 222     return true ;
 223 }
 224
 225 #if !TARGET_API_MAC_OSX
 226 static pascal Boolean CrossPlatformFileFilter(CInfoPBPtr myCInfoPBPtr, void *dataPtr)
 227 {
 228     OpenUserDataRecPtr data = (OpenUserDataRecPtr) dataPtr ;
 229     // return true if this item is invisible or a file
 230
 231     Boolean visibleFlag;
 232     Boolean folderFlag;
 233
 234     visibleFlag = ! (myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible);
 235     folderFlag = (myCInfoPBPtr->hFileInfo.ioFlAttrib & 0x10);
 236
 237     // because the semantics of the filter proc are "true means don't show
 238     // it" we need to invert the result that we return
 239
 240     if ( !visibleFlag )
 241         return true ;
 242
 243     if ( !folderFlag )
 244     {
 245         wxString file = wxMacMakeStringFromPascal( myCInfoPBPtr->hFileInfo.ioNamePtr ) ;
 246         return !CheckFile( file , myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdType , data ) ;
 247     }
 248
 249     return false ;
 250 }
 251 #endif
 252
 253 // end wxmac
 254
 255 wxFileDialog::wxFileDialog(
 256     wxWindow *parent, const wxString& message,
 257     const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
 258     long style, const wxPoint& pos, const wxSize& sz, const wxString& name)
 259     : wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name)
 260 {
 261     wxASSERT_MSG( NavServicesAvailable() , wxT("Navigation Services are not running") ) ;
 262 }
 263
 264 pascal Boolean CrossPlatformFilterCallback(
 265     AEDesc *theItem,
 266     void *info,
 267     void *callBackUD,
 268     NavFilterModes filterMode )
 269 {
 270     bool display = true;
 271     OpenUserDataRecPtr data = (OpenUserDataRecPtr) callBackUD ;
 272
 273     if (filterMode == kNavFilteringBrowserList)
 274     {
 275         NavFileOrFolderInfo* theInfo = (NavFileOrFolderInfo*) info ;
 276         if ( !theInfo->isFolder )
 277         {
 278             AECoerceDesc (theItem, typeFSRef, theItem);
 279
 280             FSRef fsref ;
 281             if ( AEGetDescData (theItem, &fsref, sizeof (FSRef)) == noErr )
 282             {
 283                 memcpy( &fsref , *theItem->dataHandle , sizeof(FSRef) ) ;
 284                 wxString file = wxMacFSRefToPath( &fsref ) ;
 285                 display = CheckFile( file , theInfo->fileAndFolder.fileInfo.finderInfo.fdType , data ) ;
 286             }
 287         }
 288     }
 289
 290     return display;
 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 (HasFlag(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         return wxID_CANCEL;
 382
 383     NavReplyRecord navReply;
 384     err = ::NavDialogGetReply(dialog, &navReply);
 385     if (err == noErr && navReply.validRecord)
 386     {
 387         AEKeyword   theKeyword;
 388         DescType    actualType;
 389         Size        actualSize;
 390         FSRef       theFSRef;
 391         wxString thePath ;
 392         long count;
 393
 394         m_filterIndex = myData.currentfilter;
 395         ::AECountItems( &navReply.selection, &count );
 396         for (long i = 1; i <= count; ++i)
 397         {
 398             err = ::AEGetNthPtr(
 399                 &(navReply.selection), i, typeFSRef, &theKeyword, &actualType,
 400                 &theFSRef, sizeof(theFSRef), &actualSize );
 401             if (err != noErr)
 402                 break;
 403
 404             if (HasFlag(wxFD_SAVE))
 405                 thePath = wxMacFSRefToPath( &theFSRef, navReply.saveFileName );
 406             else
 407                 thePath = wxMacFSRefToPath( &theFSRef );
 408
 409             if (!thePath)
 410             {
 411                 ::NavDisposeReply(&navReply);
 412                 return wxID_CANCEL;
 413             }
 414
 415             m_path = thePath;
 416             m_paths.Add(m_path);
 417             m_fileName = wxFileNameFromPath(m_path);
 418             m_fileNames.Add(m_fileName);
 419         }
 420
 421         // set these to the first hit
 422         m_path = m_paths[0];
 423         m_fileName = wxFileNameFromPath(m_path);
 424         m_dir = wxPathOnly(m_path);
 425     }
 426
 427     ::NavDisposeReply(&navReply);
 428
 429     return (err == noErr) ? wxID_OK : wxID_CANCEL;
 430 }