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                 extension.MakeLower() ;
 110                 wxString sfilename ;
 111
 112                 wxMacCFStringHolder cfString( NavDialogGetSaveFileName( ioParams->context ) , false  );
 113                 sfilename = cfString.AsString() ;
 114
 115                 int pos = sfilename.Find('.', true) ;
 116                 if ( pos != wxNOT_FOUND )
 117                 {
 118                     sfilename = sfilename.Left(pos+1)+extension ;
 119                     cfString.Assign( sfilename , wxFONTENCODING_DEFAULT ) ;
 120                     NavDialogSetSaveFileName( ioParams->context , cfString ) ;
 121                 }
 122             }
 123         }
 124     }
 125 }
 126
 127 void MakeUserDataRec(OpenUserDataRec *myData , const wxString& filter )
 128 {
 129     myData->menuitems = NULL ;
 130     myData->currentfilter = 0 ;
 131     myData->saveMode = false ;
 132
 133     if ( !filter.empty() )
 134     {
 135         wxString filter2(filter) ;
 136         int filterIndex = 0;
 137         bool isName = true ;
 138         wxString current ;
 139
 140         for ( unsigned int i = 0; i < filter2.length() ; i++ )
 141         {
 142             if ( filter2.GetChar(i) == wxT('|') )
 143             {
 144                 if ( isName )
 145                 {
 146                     myData->name.Add( current ) ;
 147                 }
 148                 else
 149                 {
 150                     myData->extensions.Add( current.MakeUpper() ) ;
 151                     ++filterIndex ;
 152                 }
 153
 154                 isName = !isName ;
 155                 current = wxEmptyString ;
 156             }
 157             else
 158             {
 159                 current += filter2.GetChar(i) ;
 160             }
 161         }
 162         // we allow for compatibility reason to have a single filter expression (like *.*) without
 163         // an explanatory text, in that case the first part is name and extension at the same time
 164
 165         wxASSERT_MSG( filterIndex == 0 || !isName , wxT("incorrect format of format string") ) ;
 166         if ( current.empty() )
 167             myData->extensions.Add( myData->name[filterIndex] ) ;
 168         else
 169             myData->extensions.Add( current.MakeUpper() ) ;
 170         if ( filterIndex == 0 || isName )
 171             myData->name.Add( current.MakeUpper() ) ;
 172
 173         ++filterIndex ;
 174
 175         const size_t extCount = myData->extensions.GetCount();
 176         for ( size_t i = 0 ; i < extCount; i++ )
 177         {
 178             wxUint32 fileType, creator;
 179             wxString extension = myData->extensions[i];
 180
 181             // Remove leading '*'
 182             if (extension.length() && (extension.GetChar(0) == '*'))
 183                 extension = extension.Mid( 1 );
 184
 185             // Remove leading '.'
 186             if (extension.length() && (extension.GetChar(0) == '.'))
 187                 extension = extension.Mid( 1 );
 188
 189             if (wxFileName::MacFindDefaultTypeAndCreator( extension, &fileType, &creator ))
 190                 myData->filtermactypes.Add( (OSType)fileType );
 191             else
 192                 myData->filtermactypes.Add( '****' ); // We'll fail safe if it's not recognized
 193         }
 194     }
 195 }
 196
 197 static Boolean CheckFile( const wxString &filename , OSType type , OpenUserDataRecPtr data)
 198 {
 199     wxString file(filename) ;
 200     file.MakeUpper() ;
 201
 202     if ( data->extensions.GetCount() > 0 )
 203     {
 204         //for ( int i = 0 ; i < data->numfilters ; ++i )
 205         int i = data->currentfilter ;
 206         if ( data->extensions[i].Right(2) == wxT(".*") )
 207             return true ;
 208
 209         {
 210             if ( type == (OSType)data->filtermactypes[i] )
 211                 return true ;
 212
 213             wxStringTokenizer tokenizer( data->extensions[i] , wxT(";") ) ;
 214             while ( tokenizer.HasMoreTokens() )
 215             {
 216                 wxString extension = tokenizer.GetNextToken() ;
 217                 if ( extension.GetChar(0) == '*' )
 218                     extension = extension.Mid(1) ;
 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     bool display = true;
 277     OpenUserDataRecPtr data = (OpenUserDataRecPtr) callBackUD ;
 278
 279     if (filterMode == kNavFilteringBrowserList)
 280     {
 281         NavFileOrFolderInfo* theInfo = (NavFileOrFolderInfo*) info ;
 282         if ( !theInfo->isFolder )
 283         {
 284             AECoerceDesc (theItem, typeFSRef, theItem);
 285
 286             FSRef fsref ;
 287             if ( AEGetDescData (theItem, &fsref, sizeof (FSRef)) == noErr )
 288             {
 289                 memcpy( &fsref , *theItem->dataHandle , sizeof(FSRef) ) ;
 290                 wxString file = wxMacFSRefToPath( &fsref ) ;
 291                 display = CheckFile( file , theInfo->fileAndFolder.fileInfo.finderInfo.fdType , data ) ;
 292             }
 293         }
 294     }
 295
 296     return display;
 297 }
 298
 299 int wxFileDialog::ShowModal()
 300 {
 301     OSErr err;
 302     NavDialogCreationOptions dialogCreateOptions;
 303
 304     // set default options
 305     ::NavGetDefaultDialogCreationOptions(&dialogCreateOptions);
 306
 307     // this was always unset in the old code
 308     dialogCreateOptions.optionFlags &= ~kNavSelectDefaultLocation;
 309
 310     wxMacCFStringHolder message(m_message, m_font.GetEncoding());
 311     dialogCreateOptions.windowTitle = message;
 312
 313     wxMacCFStringHolder defaultFileName(m_fileName, m_font.GetEncoding());
 314     dialogCreateOptions.saveFileName = defaultFileName;
 315
 316
 317     NavDialogRef dialog;
 318     NavObjectFilterUPP navFilterUPP = NULL;
 319     OpenUserDataRec myData;
 320     myData.defaultLocation = m_dir;
 321
 322     MakeUserDataRec(&myData , m_wildCard);
 323     myData.currentfilter = m_filterIndex;
 324     size_t numFilters = myData.extensions.GetCount();
 325     if (numFilters)
 326     {
 327         CFMutableArrayRef popup = CFArrayCreateMutable( kCFAllocatorDefault ,
 328             numFilters , &kCFTypeArrayCallBacks ) ;
 329         dialogCreateOptions.popupExtension = popup ;
 330         myData.menuitems = dialogCreateOptions.popupExtension ;
 331         for ( size_t i = 0 ; i < numFilters ; ++i )
 332         {
 333             CFArrayAppendValue( popup , (CFStringRef) wxMacCFStringHolder( myData.name[i] , m_font.GetEncoding() ) ) ;
 334         }
 335     }
 336
 337     if (HasFdFlag(wxFD_SAVE))
 338     {
 339         myData.saveMode = true;
 340
 341         dialogCreateOptions.optionFlags |= kNavDontAutoTranslate;
 342         dialogCreateOptions.optionFlags |= kNavDontAddTranslateItems;
 343         if (!numFilters)
 344             dialogCreateOptions.optionFlags |= kNavNoTypePopup;
 345
 346         // The extension is important
 347         if (numFilters < 2)
 348             dialogCreateOptions.optionFlags |= kNavPreserveSaveFileExtension;
 349
 350 #if TARGET_API_MAC_OSX
 351         if (!(m_windowStyle & wxFD_OVERWRITE_PROMPT))
 352             dialogCreateOptions.optionFlags |= kNavDontConfirmReplacement;
 353 #endif
 354
 355         err = ::NavCreatePutFileDialog(
 356             &dialogCreateOptions,
 357             kNavGenericSignature, // Suppresses the 'Default' (top) menu item
 358             kNavGenericSignature,
 359             sStandardNavEventFilter,
 360             &myData, // for defaultLocation
 361             &dialog );
 362     }
 363     else
 364     {
 365         // let the user select bundles/programs in dialogs
 366         dialogCreateOptions.optionFlags |= kNavSupportPackages;
 367
 368         navFilterUPP = NewNavObjectFilterUPP(CrossPlatformFilterCallback);
 369         err = ::NavCreateGetFileDialog(
 370             &dialogCreateOptions,
 371             NULL, // NavTypeListHandle
 372             sStandardNavEventFilter,
 373             NULL, // NavPreviewUPP
 374             navFilterUPP,
 375             (void *) &myData, // inClientData
 376             &dialog );
 377     }
 378
 379     if (err == noErr)
 380         err = ::NavDialogRun(dialog);
 381
 382     // clean up filter related data, etc.
 383     if (navFilterUPP)
 384         ::DisposeNavObjectFilterUPP(navFilterUPP);
 385
 386     if (err != noErr)
 387         return wxID_CANCEL;
 388
 389     NavReplyRecord navReply;
 390     err = ::NavDialogGetReply(dialog, &navReply);
 391     if (err == noErr && navReply.validRecord)
 392     {
 393         AEKeyword   theKeyword;
 394         DescType    actualType;
 395         Size        actualSize;
 396         FSRef       theFSRef;
 397         wxString thePath ;
 398         long count;
 399
 400         m_filterIndex = myData.currentfilter;
 401         ::AECountItems( &navReply.selection, &count );
 402         for (long i = 1; i <= count; ++i)
 403         {
 404             err = ::AEGetNthPtr(
 405                 &(navReply.selection), i, typeFSRef, &theKeyword, &actualType,
 406                 &theFSRef, sizeof(theFSRef), &actualSize );
 407             if (err != noErr)
 408                 break;
 409
 410             if (HasFdFlag(wxFD_SAVE))
 411                 thePath = wxMacFSRefToPath( &theFSRef, navReply.saveFileName );
 412             else
 413                 thePath = wxMacFSRefToPath( &theFSRef );
 414
 415             if (!thePath)
 416             {
 417                 ::NavDisposeReply(&navReply);
 418                 return wxID_CANCEL;
 419             }
 420
 421             m_path = thePath;
 422             m_paths.Add(m_path);
 423             m_fileName = wxFileNameFromPath(m_path);
 424             m_fileNames.Add(m_fileName);
 425         }
 426
 427         // set these to the first hit
 428         m_path = m_paths[0];
 429         m_fileName = wxFileNameFromPath(m_path);
 430         m_dir = wxPathOnly(m_path);
 431     }
 432
 433     ::NavDisposeReply(&navReply);
 434
 435     return (err == noErr) ? wxID_OK : wxID_CANCEL;
 436 }
 437
 438 #endif // wxUSE_FILEDLG
 439