src/mac/filedlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #ifdef __GNUG__
  13 #pragma implementation "filedlg.h"
  14 #endif
  15
  16 #include "wx/defs.h"
  17 #include "wx/app.h"
  18 #include "wx/utils.h"
  19 #include "wx/dialog.h"
  20 #include "wx/filedlg.h"
  21 #include "wx/intl.h"
  22 #include "wx/tokenzr.h"
  23
  24 #ifndef __DARWIN__
  25   #include "PLStringFuncs.h"
  26 #endif
  27
  28 #if !USE_SHARED_LIBRARY
  29 IMPLEMENT_CLASS(wxFileDialog, wxDialog)
  30 #endif
  31
  32 // begin wxmac
  33
  34 #include "wx/mac/private.h"
  35
  36 #include <Navigation.h>
  37
  38 #ifdef __DARWIN__
  39 #  include "MoreFilesX.h"
  40 #else
  41 #  include "MoreFiles.h"
  42 #  include "MoreFilesExtras.h"
  43 #endif
  44
  45 extern bool gUseNavServices ;
  46
  47 // the data we need to pass to our standard file hook routine
  48 // includes a pointer to the dialog, a pointer to the standard
  49 // file reply record (so we can inspect the current selection)
  50 // and a copy of the "previous" file spec of the reply record
  51 // so we can see if the selection has changed
  52
  53 struct OpenUserDataRec {
  54   int           currentfilter ;
  55   bool                saveMode ;
  56   wxArrayString      name ;
  57   wxArrayString      extensions ;
  58   wxArrayLong        filtermactypes ;
  59   NavMenuItemSpecArrayHandle menuitems ;
  60 };
  61
  62 typedef struct OpenUserDataRec
  63     OpenUserDataRec, *OpenUserDataRecPtr;
  64
  65 static pascal void    NavEventProc(
  66                                 NavEventCallbackMessage        inSelector,
  67                                 NavCBRecPtr                    ioParams,
  68                                 NavCallBackUserData            ioUserData);
  69
  70 #if TARGET_CARBON
  71         static NavEventUPP    sStandardNavEventFilter = NewNavEventUPP(NavEventProc);
  72 #else
  73         static NavEventUPP    sStandardNavEventFilter = NewNavEventProc(NavEventProc);
  74 #endif
  75
  76 static pascal void
  77 NavEventProc(
  78     NavEventCallbackMessage        inSelector,
  79     NavCBRecPtr                    ioParams,
  80     NavCallBackUserData    ioUserData    )
  81 {
  82     OpenUserDataRec * data = ( OpenUserDataRec *) ioUserData ;
  83     if (inSelector == kNavCBEvent) {
  84 #if !TARGET_CARBON
  85          wxTheApp->MacHandleOneEvent(ioParams->eventData.eventDataParms.event);
  86 #endif
  87     }
  88     else if ( inSelector == kNavCBStart )
  89     {
  90         if ( data->menuitems )
  91             NavCustomControl(ioParams->context, kNavCtlSelectCustomType, &(*data->menuitems)[data->currentfilter]);
  92     }
  93     else if ( inSelector == kNavCBPopupMenuSelect )
  94     {
  95         NavMenuItemSpec * menu = (NavMenuItemSpec *) ioParams->eventData.eventDataParms.param ;
  96         if ( menu->menuCreator == 'WXNG' )
  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                 Str255 filename ;
 105                 // get the current filename
 106                 NavCustomControl(ioParams->context, kNavCtlGetEditFileName, &filename);
 107                 wxString sfilename = wxMacMakeStringFromPascal( filename ) ;
 108                 int pos = sfilename.Find('.',TRUE) ;
 109                 if ( pos != wxNOT_FOUND )
 110                 {
 111                     sfilename = sfilename.Left(pos+1)+extension ;
 112                     wxMacStringToPascal( sfilename , filename ) ;
 113                     NavCustomControl(ioParams->context, kNavCtlSetEditFileName, &filename);
 114                 }
 115             }
 116           }
 117     }
 118 }
 119
 120 const wxChar * gfilters[] =
 121 {
 122     wxT("*.TXT") ,
 123     wxT("*.TIF") ,
 124     wxT("*.JPG") ,
 125
 126     NULL
 127 } ;
 128
 129 OSType gfiltersmac[] =
 130 {
 131     'TEXT' ,
 132     'TIFF' ,
 133     'JPEG' ,
 134
 135     '****'
 136 } ;
 137
 138
 139
 140 void MakeUserDataRec(OpenUserDataRec    *myData , const wxString& filter )
 141 {
 142     myData->menuitems = NULL ;
 143     myData->currentfilter = 0 ;
 144     myData->saveMode = FALSE ;
 145
 146     if ( filter && filter[0] )
 147     {
 148         wxString filter2(filter) ;
 149         int filterIndex = 0;
 150         bool isName = true ;
 151         wxString current ;
 152         for( unsigned int i = 0; i < filter2.Len() ; i++ )
 153         {
 154             if( filter2.GetChar(i) == wxT('|') )
 155             {
 156                 if( isName ) {
 157                     myData->name.Add( current ) ;
 158                 }
 159                 else {
 160                     myData->extensions.Add( current.MakeUpper() ) ;
 161                     ++filterIndex ;
 162                 }
 163                 isName = !isName ;
 164                 current = wxEmptyString ;
 165             }
 166             else
 167             {
 168                 current += filter2.GetChar(i) ;
 169             }
 170         }
 171         // we allow for compatibility reason to have a single filter expression (like *.*) without
 172         // an explanatory text, in that case the first part is name and extension at the same time
 173
 174         wxASSERT_MSG( filterIndex == 0 || !isName , wxT("incorrect format of format string") ) ;
 175         if ( current.IsEmpty() )
 176             myData->extensions.Add( myData->name[filterIndex] ) ;
 177         else
 178             myData->extensions.Add( current.MakeUpper() ) ;
 179         if ( filterIndex == 0 || isName )
 180             myData->name.Add( current.MakeUpper() ) ;
 181
 182         ++filterIndex ;
 183
 184
 185         const size_t extCount = myData->extensions.GetCount();
 186         for ( size_t i = 0 ; i < extCount; i++ )
 187         {
 188             int j ;
 189             for ( j = 0 ; gfilters[j] ; j++ )
 190             {
 191                 if ( myData->extensions[i] == gfilters[j]  )
 192                 {
 193                     myData->filtermactypes.Add( gfiltersmac[j] ) ;
 194                     break ;
 195                 }
 196             }
 197             if( gfilters[j] == NULL )
 198             {
 199                 myData->filtermactypes.Add( '****' ) ;
 200             }
 201         }
 202     }
 203 }
 204
 205 static Boolean CheckFile( ConstStr255Param name , OSType type , OpenUserDataRecPtr data)
 206 {
 207 /*
 208     Str255             filename ;
 209
 210 #if TARGET_CARBON
 211     p2cstrcpy((char *)filename, name) ;
 212 #else
 213     PLstrcpy( filename , name ) ;
 214     p2cstr( filename ) ;
 215 #endif
 216     wxString file(filename) ;
 217 */
 218         wxString file = wxMacMakeStringFromPascal( name ) ;
 219     file.MakeUpper() ;
 220
 221     if ( data->extensions.GetCount() > 0 )
 222     {
 223         //for ( int i = 0 ; i < data->numfilters ; ++i )
 224         int i = data->currentfilter ;
 225         if ( data->extensions[i].Right(2) == wxT(".*") )
 226             return true ;
 227
 228         {
 229             if ( type == (OSType)data->filtermactypes[i] )
 230                 return true ;
 231
 232             wxStringTokenizer tokenizer( data->extensions[i] , wxT(";") ) ;
 233             while( tokenizer.HasMoreTokens() )
 234             {
 235                 wxString extension = tokenizer.GetNextToken() ;
 236                 if ( extension.GetChar(0) == '*' )
 237                     extension = extension.Mid(1) ;
 238
 239                 if ( file.Len() >= extension.Len() && extension == file.Right(extension.Len() ) )
 240                     return true ;
 241             }
 242         }
 243         return false ;
 244     }
 245     return true ;
 246 }
 247
 248 #ifndef __DARWIN__
 249 static pascal Boolean CrossPlatformFileFilter(CInfoPBPtr myCInfoPBPtr, void *dataPtr)
 250 {
 251     OpenUserDataRecPtr data = (OpenUserDataRecPtr) dataPtr ;
 252     // return true if this item is invisible or a file
 253
 254     Boolean visibleFlag;
 255     Boolean folderFlag;
 256
 257     visibleFlag = ! (myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible);
 258     folderFlag = (myCInfoPBPtr->hFileInfo.ioFlAttrib & 0x10);
 259
 260     // because the semantics of the filter proc are "true means don't show
 261     // it" we need to invert the result that we return
 262
 263     if ( !visibleFlag )
 264         return true ;
 265
 266     if ( !folderFlag )
 267     {
 268         return !CheckFile( myCInfoPBPtr->hFileInfo.ioNamePtr , myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdType , data ) ;
 269     }
 270
 271     return false ;
 272 }
 273 #endif
 274
 275 // end wxmac
 276
 277 wxString wxFileSelector(const wxChar *title,
 278                      const wxChar *defaultDir, const wxChar *defaultFileName,
 279                      const wxChar *defaultExtension, const wxChar *filter, int flags,
 280                      wxWindow *parent, int x, int y)
 281 {
 282     // If there's a default extension specified but no filter, we create a suitable
 283     // filter.
 284
 285     wxString filter2;
 286     if ( defaultExtension && !filter )
 287         filter2 = wxString(wxT("*.")) + wxString(defaultExtension) ;
 288     else if ( filter )
 289         filter2 = filter;
 290
 291     wxString defaultDirString;
 292     if (defaultDir)
 293         defaultDirString = defaultDir;
 294     else
 295         defaultDirString = wxEmptyString ;
 296
 297     wxString defaultFilenameString;
 298     if (defaultFileName)
 299         defaultFilenameString = defaultFileName;
 300     else
 301         defaultFilenameString = wxEmptyString;
 302
 303     wxFileDialog fileDialog(parent, title, defaultDirString, defaultFilenameString, filter2, flags, wxPoint(x, y));
 304
 305     if ( fileDialog.ShowModal() == wxID_OK )
 306     {
 307         return fileDialog.GetPath();
 308     }
 309     else
 310         return wxGetEmptyString();
 311 }
 312
 313 WXDLLEXPORT wxString wxFileSelectorEx(const wxChar *title,
 314                        const wxChar *defaultDir,
 315                        const wxChar *defaultFileName,
 316                        int* defaultFilterIndex,
 317                        const wxChar *filter,
 318                        int       flags,
 319                        wxWindow* parent,
 320                        int       x,
 321                        int       y)
 322
 323 {
 324     wxFileDialog fileDialog(parent, title ? title : wxT(""), defaultDir ? defaultDir : wxT(""),
 325         defaultFileName ? defaultFileName : wxT(""), filter ? filter : wxT(""), flags, wxPoint(x, y));
 326
 327     if ( fileDialog.ShowModal() == wxID_OK )
 328     {
 329         *defaultFilterIndex = fileDialog.GetFilterIndex();
 330         return fileDialog.GetPath();
 331     }
 332     else
 333         return wxGetEmptyString();
 334 }
 335
 336 wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
 337         const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
 338         long style, const wxPoint& pos)
 339 {
 340     wxASSERT_MSG( NavServicesAvailable() , wxT("Navigation Services are not running") ) ;
 341     m_message = message;
 342     m_dialogStyle = style;
 343     m_parent = parent;
 344     m_path = wxT("");
 345     m_fileName = defaultFileName;
 346     m_dir = defaultDir;
 347     m_wildCard = wildCard;
 348     m_filterIndex = 0;
 349 }
 350
 351 pascal Boolean CrossPlatformFilterCallback (
 352     AEDesc *theItem,
 353     void *info,
 354     void *callBackUD,
 355     NavFilterModes filterMode
 356 )
 357 {
 358     bool display = true;
 359     OpenUserDataRecPtr data = (OpenUserDataRecPtr) callBackUD ;
 360
 361     if (filterMode == kNavFilteringBrowserList)
 362     {
 363         NavFileOrFolderInfo* theInfo = (NavFileOrFolderInfo*) info ;
 364         if (theItem->descriptorType == typeFSS && !theInfo->isFolder)
 365         {
 366             FSSpec    spec;
 367             memcpy( &spec , *theItem->dataHandle , sizeof(FSSpec) ) ;
 368             display = CheckFile( spec.name , theInfo->fileAndFolder.fileInfo.finderInfo.fdType , data ) ;
 369         }
 370     }
 371
 372     return display;
 373 }
 374
 375 int wxFileDialog::ShowModal()
 376 {
 377     NavDialogOptions           mNavOptions;
 378     NavObjectFilterUPP           mNavFilterUPP = NULL;
 379     NavPreviewUPP           mNavPreviewUPP = NULL ;
 380     NavReplyRecord           mNavReply;
 381     AEDesc               mDefaultLocation ;
 382     bool               mSelectDefault = false ;
 383
 384     // setup dialog
 385
 386     ::NavGetDefaultDialogOptions(&mNavOptions);
 387
 388     mNavFilterUPP    = nil;
 389     mNavPreviewUPP    = nil;
 390     mSelectDefault    = false;
 391     mNavReply.validRecord              = false;
 392     mNavReply.replacing                   = false;
 393     mNavReply.isStationery             = false;
 394     mNavReply.translationNeeded           = false;
 395     mNavReply.selection.descriptorType = typeNull;
 396     mNavReply.selection.dataHandle     = nil;
 397     mNavReply.keyScript                   = smSystemScript;
 398     mNavReply.fileTranslation          = nil;
 399
 400     // Set default location, the location
 401     //   that's displayed when the dialog
 402     //   first appears
 403
 404     FSSpec location ;
 405     wxMacFilename2FSSpec( m_dir , &location ) ;
 406     OSErr err = noErr ;
 407
 408     mDefaultLocation.descriptorType = typeNull;
 409     mDefaultLocation.dataHandle     = nil;
 410
 411     err = ::AECreateDesc(typeFSS, &location, sizeof(FSSpec), &mDefaultLocation );
 412
 413     if ( mDefaultLocation.dataHandle ) {
 414
 415         if (mSelectDefault) {
 416             mNavOptions.dialogOptionFlags |= kNavSelectDefaultLocation;
 417         } else {
 418             mNavOptions.dialogOptionFlags &= ~kNavSelectDefaultLocation;
 419         }
 420     }
 421     wxMacStringToPascal( m_message , (StringPtr)mNavOptions.message ) ;
 422     wxMacStringToPascal( m_fileName , (StringPtr)mNavOptions.savedFileName ) ;
 423
 424     // zero all data
 425
 426     m_path = wxEmptyString ;
 427     m_fileName = wxEmptyString ;
 428     m_paths.Empty();
 429     m_fileNames.Empty();
 430
 431     OpenUserDataRec            myData;
 432     MakeUserDataRec( &myData , m_wildCard ) ;
 433     myData.currentfilter = m_filterIndex ;
 434     if ( myData.extensions.GetCount() > 0 )
 435     {
 436         mNavOptions.popupExtension = (NavMenuItemSpecArrayHandle) NewHandle( sizeof( NavMenuItemSpec ) * myData.extensions.GetCount() ) ;
 437         myData.menuitems = mNavOptions.popupExtension ;
 438         for ( size_t i = 0 ; i < myData.extensions.GetCount() ; ++i )
 439         {
 440             (*mNavOptions.popupExtension)[i].version     = kNavMenuItemSpecVersion ;
 441             (*mNavOptions.popupExtension)[i].menuCreator = 'WXNG' ;
 442             (*mNavOptions.popupExtension)[i].menuType    = i ;
 443             wxMacStringToPascal( myData.name[i] , (StringPtr)(*mNavOptions.popupExtension)[i].menuItemName ) ;
 444         }
 445     }
 446     if ( m_dialogStyle & wxSAVE )
 447     {
 448         myData.saveMode = true ;
 449
 450         mNavOptions.dialogOptionFlags |= kNavDontAutoTranslate ;
 451         mNavOptions.dialogOptionFlags |= kNavDontAddTranslateItems ;
 452
 453         err = ::NavPutFile(
 454                            &mDefaultLocation,
 455                            &mNavReply,
 456                            &mNavOptions,
 457                            sStandardNavEventFilter ,
 458                            NULL,
 459                            kNavGenericSignature,
 460                            &myData);                    // User Data
 461         m_filterIndex = myData.currentfilter ;
 462     }
 463     else
 464     {
 465         myData.saveMode = false ;
 466
 467         mNavFilterUPP = NewNavObjectFilterUPP( CrossPlatformFilterCallback ) ;
 468         if ( m_dialogStyle & wxMULTIPLE )
 469             mNavOptions.dialogOptionFlags |= kNavAllowMultipleFiles ;
 470         else
 471             mNavOptions.dialogOptionFlags &= ~kNavAllowMultipleFiles ;
 472
 473         err = ::NavGetFile(
 474                            &mDefaultLocation,
 475                            &mNavReply,
 476                            &mNavOptions,
 477                            sStandardNavEventFilter ,
 478                            mNavPreviewUPP,
 479                            mNavFilterUPP,
 480                            NULL ,
 481                            &myData);
 482         m_filterIndex = myData.currentfilter ;
 483     }
 484
 485     DisposeNavObjectFilterUPP(mNavFilterUPP);
 486     if ( mDefaultLocation.dataHandle != nil )
 487     {
 488         ::AEDisposeDesc(&mDefaultLocation);
 489     }
 490
 491     if ( (err != noErr) && (err != userCanceledErr) ) {
 492         return wxID_CANCEL ;
 493     }
 494
 495     if (mNavReply.validRecord) {
 496
 497         FSSpec  outFileSpec ;
 498         AEDesc specDesc ;
 499         AEKeyword keyWord ;
 500
 501         long count ;
 502         ::AECountItems( &mNavReply.selection , &count ) ;
 503         for ( long i = 1 ; i <= count ; ++i )
 504         {
 505             OSErr err = ::AEGetNthDesc( &mNavReply.selection , i , typeFSS, &keyWord , &specDesc);
 506             if ( err != noErr ) {
 507                 m_path = wxT("") ;
 508                 return wxID_CANCEL ;
 509             }
 510             outFileSpec = **(FSSpec**) specDesc.dataHandle;
 511             if (specDesc.dataHandle != nil) {
 512                 ::AEDisposeDesc(&specDesc);
 513             }
 514             m_path = wxMacFSSpec2MacFilename( &outFileSpec ) ;
 515             m_paths.Add( m_path ) ;
 516             m_fileName = wxFileNameFromPath(m_path);
 517             m_fileNames.Add(m_fileName);
 518         }
 519         // set these to the first hit
 520         m_path = m_paths[ 0 ] ;
 521         m_fileName = wxFileNameFromPath(m_path);
 522         m_dir = wxPathOnly(m_path);
 523         NavDisposeReply( &mNavReply ) ;
 524         return wxID_OK ;
 525     }
 526     return wxID_CANCEL;
 527 }
 528
 529 // Generic file load/save dialog
 530 static wxString
 531 wxDefaultFileSelector(bool load, const wxChar *what, const wxChar *extension, const wxChar *default_name, wxWindow *parent)
 532 {
 533     wxString prompt;
 534
 535     wxString str;
 536     if (load)
 537         str = wxT("Load %s file");
 538     else
 539         str = wxT("Save %s file");
 540     prompt.Printf( wxGetTranslation(str), what);
 541
 542     const wxChar *ext = extension;
 543     if (*ext == wxT('.'))
 544         ext++;
 545
 546     wxString wild;
 547     wild.Printf(wxT("*.%s"), ext);
 548
 549     return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent);
 550 }
 551
 552 // Generic file load dialog
 553 wxString
 554 wxLoadFileSelector(const wxChar *what, const wxChar *extension, const wxChar *default_name, wxWindow *parent)
 555 {
 556     return wxDefaultFileSelector(TRUE, what, extension, default_name, parent);
 557 }
 558
 559
 560 // Generic file save dialog
 561 wxString
 562 wxSaveFileSelector(const wxChar *what, const wxChar *extension, const wxChar *default_name, wxWindow *parent)
 563 {
 564     return wxDefaultFileSelector(FALSE, what, extension, default_name, parent);
 565 }