src/mac/carbon/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                 CopyPascalStringToC( filename , (char*) filename ) ;
 108                 wxString sfilename( filename ) ;
 109                 int pos = sfilename.Find('.',TRUE) ;
 110                 if ( pos != wxNOT_FOUND )
 111                 {
 112                     sfilename = sfilename.Left(pos+1)+extension ;
 113                     CopyCStringToPascal( sfilename.c_str() , filename ) ;
 114                     NavCustomControl(ioParams->context, kNavCtlSetEditFileName, &filename);
 115                 }
 116             }
 117           }
 118     }
 119 }
 120
 121 const char * gfilters[] =
 122 {
 123     "*.TXT" ,
 124     "*.TIF" ,
 125     "*.JPG" ,
 126
 127     NULL
 128 } ;
 129
 130 OSType gfiltersmac[] =
 131 {
 132     'TEXT' ,
 133     'TIFF' ,
 134     'JPEG' ,
 135
 136     '****'
 137 } ;
 138
 139
 140
 141 void MakeUserDataRec(OpenUserDataRec    *myData , const wxString& filter )
 142 {
 143     myData->menuitems = NULL ;
 144     myData->currentfilter = 0 ;
 145     myData->saveMode = FALSE ;
 146
 147     if ( filter && filter[0] )
 148     {
 149         wxString filter2(filter) ;
 150         int filterIndex = 0;
 151         bool isName = true ;
 152         wxString current ;
 153         for( unsigned int i = 0; i < filter2.Len() ; i++ )
 154         {
 155             if( filter2.GetChar(i) == wxT('|') )
 156             {
 157                 if( isName ) {
 158                     myData->name.Add( current ) ;
 159                 }
 160                 else {
 161                     myData->extensions.Add( current.MakeUpper() ) ;
 162                     ++filterIndex ;
 163                 }
 164                 isName = !isName ;
 165                 current = "" ;
 166             }
 167             else
 168             {
 169                 current += filter2.GetChar(i) ;
 170             }
 171         }
 172         // we allow for compatibility reason to have a single filter expression (like *.*) without
 173         // an explanatory text, in that case the first part is name and extension at the same time
 174
 175         wxASSERT_MSG( filterIndex == 0 || !isName , "incorrect format of format string" ) ;
 176         if ( current.IsEmpty() )
 177             myData->extensions.Add( myData->name[filterIndex] ) ;
 178         else
 179             myData->extensions.Add( current.MakeUpper() ) ;
 180         if ( filterIndex == 0 || isName )
 181             myData->name.Add( current.MakeUpper() ) ;
 182
 183         ++filterIndex ;
 184
 185
 186         const size_t extCount = myData->extensions.GetCount();
 187         for ( size_t i = 0 ; i < extCount; i++ )
 188         {
 189             int j ;
 190             for ( j = 0 ; gfilters[j] ; j++ )
 191             {
 192                 if ( strcmp( myData->extensions[i] , gfilters[j] ) == 0 )
 193                 {
 194                     myData->filtermactypes.Add( gfiltersmac[j] ) ;
 195                     break ;
 196                 }
 197             }
 198             if( gfilters[j] == NULL )
 199             {
 200                 myData->filtermactypes.Add( '****' ) ;
 201             }
 202         }
 203     }
 204 }
 205
 206 static Boolean CheckFile( ConstStr255Param name , OSType type , OpenUserDataRecPtr data)
 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     file.MakeUpper() ;
 218
 219     if ( data->extensions.GetCount() > 0 )
 220     {
 221         //for ( int i = 0 ; i < data->numfilters ; ++i )
 222         int i = data->currentfilter ;
 223         if ( data->extensions[i].Right(2) == ".*" )
 224             return true ;
 225
 226         {
 227             if ( type == (OSType)data->filtermactypes[i] )
 228                 return true ;
 229
 230             wxStringTokenizer tokenizer( data->extensions[i] , ";" ) ;
 231             while( tokenizer.HasMoreTokens() )
 232             {
 233                 wxString extension = tokenizer.GetNextToken() ;
 234                 if ( extension.GetChar(0) == '*' )
 235                     extension = extension.Mid(1) ;
 236
 237                 if ( file.Len() >= extension.Len() && extension == file.Right(extension.Len() ) )
 238                     return true ;
 239             }
 240         }
 241         return false ;
 242     }
 243     return true ;
 244 }
 245
 246 #ifndef __DARWIN__
 247 static pascal Boolean CrossPlatformFileFilter(CInfoPBPtr myCInfoPBPtr, void *dataPtr)
 248 {
 249     OpenUserDataRecPtr data = (OpenUserDataRecPtr) dataPtr ;
 250     // return true if this item is invisible or a file
 251
 252     Boolean visibleFlag;
 253     Boolean folderFlag;
 254
 255     visibleFlag = ! (myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible);
 256     folderFlag = (myCInfoPBPtr->hFileInfo.ioFlAttrib & 0x10);
 257
 258     // because the semantics of the filter proc are "true means don't show
 259     // it" we need to invert the result that we return
 260
 261     if ( !visibleFlag )
 262         return true ;
 263
 264     if ( !folderFlag )
 265     {
 266         return !CheckFile( myCInfoPBPtr->hFileInfo.ioNamePtr , myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdType , data ) ;
 267     }
 268
 269     return false ;
 270 }
 271 #endif
 272
 273 // end wxmac
 274
 275 wxString wxFileSelector(const char *title,
 276                      const char *defaultDir, const char *defaultFileName,
 277                      const char *defaultExtension, const char *filter, int flags,
 278                      wxWindow *parent, int x, int y)
 279 {
 280     // If there's a default extension specified but no filter, we create a suitable
 281     // filter.
 282
 283     wxString filter2("");
 284     if ( defaultExtension && !filter )
 285         filter2 = wxString("*.") + wxString(defaultExtension) ;
 286     else if ( filter )
 287         filter2 = filter;
 288
 289     wxString defaultDirString;
 290     if (defaultDir)
 291         defaultDirString = defaultDir;
 292     else
 293         defaultDirString = "";
 294
 295     wxString defaultFilenameString;
 296     if (defaultFileName)
 297         defaultFilenameString = defaultFileName;
 298     else
 299         defaultFilenameString = "";
 300
 301     wxFileDialog fileDialog(parent, title, defaultDirString, defaultFilenameString, filter2, flags, wxPoint(x, y));
 302
 303     if ( fileDialog.ShowModal() == wxID_OK )
 304     {
 305         return fileDialog.GetPath();
 306     }
 307     else
 308         return wxGetEmptyString();
 309 }
 310
 311 WXDLLEXPORT wxString wxFileSelectorEx(const char *title,
 312                        const char *defaultDir,
 313                        const char *defaultFileName,
 314                        int* defaultFilterIndex,
 315                        const char *filter,
 316                        int       flags,
 317                        wxWindow* parent,
 318                        int       x,
 319                        int       y)
 320
 321 {
 322     wxFileDialog fileDialog(parent, title ? title : "", defaultDir ? defaultDir : "",
 323         defaultFileName ? defaultFileName : "", filter ? filter : "", flags, wxPoint(x, y));
 324
 325     if ( fileDialog.ShowModal() == wxID_OK )
 326     {
 327         *defaultFilterIndex = fileDialog.GetFilterIndex();
 328         return fileDialog.GetPath();
 329     }
 330     else
 331         return wxGetEmptyString();
 332 }
 333
 334 wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
 335         const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
 336         long style, const wxPoint& pos)
 337 {
 338     wxASSERT_MSG( NavServicesAvailable() , "Navigation Services are not running" ) ;
 339     m_message = message;
 340     m_dialogStyle = style;
 341     m_parent = parent;
 342     m_path = "";
 343     m_fileName = defaultFileName;
 344     m_dir = defaultDir;
 345     m_wildCard = wildCard;
 346     m_filterIndex = 0;
 347 }
 348
 349
 350 pascal Boolean CrossPlatformFilterCallback (
 351     AEDesc *theItem,
 352     void *info,
 353     void *callBackUD,
 354     NavFilterModes filterMode
 355 )
 356 {
 357     bool display = true;
 358     OpenUserDataRecPtr data = (OpenUserDataRecPtr) callBackUD ;
 359
 360     if (filterMode == kNavFilteringBrowserList)
 361     {
 362         NavFileOrFolderInfo* theInfo = (NavFileOrFolderInfo*) info ;
 363         if (theItem->descriptorType == typeFSS && !theInfo->isFolder)
 364         {
 365             FSSpec    spec;
 366             memcpy( &spec , *theItem->dataHandle , sizeof(FSSpec) ) ;
 367             display = CheckFile( spec.name , theInfo->fileAndFolder.fileInfo.finderInfo.fdType , data ) ;
 368         }
 369     }
 370
 371     return display;
 372 }
 373
 374 int wxFileDialog::ShowModal()
 375 {
 376     NavDialogOptions           mNavOptions;
 377     NavObjectFilterUPP           mNavFilterUPP = NULL;
 378     NavPreviewUPP           mNavPreviewUPP = NULL ;
 379     NavReplyRecord           mNavReply;
 380     AEDesc               mDefaultLocation ;
 381     bool               mSelectDefault = false ;
 382
 383     // zero all data
 384
 385     m_path = wxEmptyString ;
 386     m_fileName = wxEmptyString ;
 387     m_paths.Empty();
 388     m_fileNames.Empty();
 389
 390     // setup dialog
 391
 392     ::NavGetDefaultDialogOptions(&mNavOptions);
 393
 394     mNavFilterUPP    = nil;
 395     mNavPreviewUPP    = nil;
 396     mSelectDefault    = false;
 397     mNavReply.validRecord              = false;
 398     mNavReply.replacing                   = false;
 399     mNavReply.isStationery             = false;
 400     mNavReply.translationNeeded           = false;
 401     mNavReply.selection.descriptorType = typeNull;
 402     mNavReply.selection.dataHandle     = nil;
 403     mNavReply.keyScript                   = smSystemScript;
 404     mNavReply.fileTranslation          = nil;
 405
 406     // Set default location, the location
 407     //   that's displayed when the dialog
 408     //   first appears
 409
 410     FSSpec location ;
 411     wxMacFilename2FSSpec( m_dir , &location ) ;
 412     OSErr err = noErr ;
 413
 414     mDefaultLocation.descriptorType = typeNull;
 415     mDefaultLocation.dataHandle     = nil;
 416
 417     err = ::AECreateDesc(typeFSS, &location, sizeof(FSSpec), &mDefaultLocation );
 418
 419     if ( mDefaultLocation.dataHandle ) {
 420
 421         if (mSelectDefault) {
 422             mNavOptions.dialogOptionFlags |= kNavSelectDefaultLocation;
 423         } else {
 424             mNavOptions.dialogOptionFlags &= ~kNavSelectDefaultLocation;
 425         }
 426     }
 427
 428 #if TARGET_CARBON
 429     c2pstrcpy((StringPtr)mNavOptions.message, m_message) ;
 430 #else
 431     strcpy((char *)mNavOptions.message, m_message) ;
 432     c2pstr((char *)mNavOptions.message ) ;
 433 #endif
 434 #if TARGET_CARBON
 435     c2pstrcpy((StringPtr)mNavOptions.savedFileName, m_fileName) ;
 436 #else
 437     strcpy((char *)mNavOptions.savedFileName, m_fileName) ;
 438     c2pstr((char *)mNavOptions.savedFileName ) ;
 439 #endif
 440
 441     OpenUserDataRec            myData;
 442     MakeUserDataRec( &myData , m_wildCard ) ;
 443     myData.currentfilter = m_filterIndex ;
 444     if ( myData.extensions.GetCount() > 0 )
 445     {
 446         mNavOptions.popupExtension = (NavMenuItemSpecArrayHandle) NewHandle( sizeof( NavMenuItemSpec ) * myData.extensions.GetCount() ) ;
 447         myData.menuitems = mNavOptions.popupExtension ;
 448         for ( size_t i = 0 ; i < myData.extensions.GetCount() ; ++i )
 449         {
 450             (*mNavOptions.popupExtension)[i].version     = kNavMenuItemSpecVersion ;
 451             (*mNavOptions.popupExtension)[i].menuCreator = 'WXNG' ;
 452             (*mNavOptions.popupExtension)[i].menuType    = i ;
 453 #if TARGET_CARBON
 454             c2pstrcpy((StringPtr)(*mNavOptions.popupExtension)[i].menuItemName, myData.name[i]) ;
 455 #else
 456             strcpy((char *)(*mNavOptions.popupExtension)[i].menuItemName, myData.name[i]) ;
 457             c2pstr((char *)(*mNavOptions.popupExtension)[i].menuItemName ) ;
 458 #endif
 459         }
 460     }
 461     if ( m_dialogStyle & wxSAVE )
 462     {
 463         myData.saveMode = true ;
 464
 465         mNavOptions.dialogOptionFlags |= kNavDontAutoTranslate ;
 466         mNavOptions.dialogOptionFlags |= kNavDontAddTranslateItems ;
 467
 468         err = ::NavPutFile(
 469                            &mDefaultLocation,
 470                            &mNavReply,
 471                            &mNavOptions,
 472                            sStandardNavEventFilter ,
 473                            NULL,
 474                            kNavGenericSignature,
 475                            &myData);                    // User Data
 476         m_filterIndex = myData.currentfilter ;
 477     }
 478     else
 479     {
 480         myData.saveMode = false ;
 481
 482         mNavFilterUPP = NewNavObjectFilterUPP( CrossPlatformFilterCallback ) ;
 483         if ( m_dialogStyle & wxMULTIPLE )
 484             mNavOptions.dialogOptionFlags |= kNavAllowMultipleFiles ;
 485         else
 486             mNavOptions.dialogOptionFlags &= ~kNavAllowMultipleFiles ;
 487
 488         err = ::NavGetFile(
 489                            &mDefaultLocation,
 490                            &mNavReply,
 491                            &mNavOptions,
 492                            sStandardNavEventFilter ,
 493                            mNavPreviewUPP,
 494                            mNavFilterUPP,
 495                            NULL ,
 496                            &myData);
 497         m_filterIndex = myData.currentfilter ;
 498     }
 499
 500     DisposeNavObjectFilterUPP(mNavFilterUPP);
 501     if ( mDefaultLocation.dataHandle != nil )
 502     {
 503         ::AEDisposeDesc(&mDefaultLocation);
 504     }
 505
 506     if ( (err != noErr) && (err != userCanceledErr) ) {
 507         return wxID_CANCEL ;
 508     }
 509
 510     if (mNavReply.validRecord) {
 511
 512         FSSpec  outFileSpec ;
 513         AEDesc specDesc ;
 514         AEKeyword keyWord ;
 515
 516         long count ;
 517         ::AECountItems( &mNavReply.selection , &count ) ;
 518         for ( long i = 1 ; i <= count ; ++i )
 519         {
 520             OSErr err = ::AEGetNthDesc( &mNavReply.selection , i , typeFSS, &keyWord , &specDesc);
 521             if ( err != noErr ) {
 522                 m_path = "" ;
 523                 return wxID_CANCEL ;
 524             }
 525             outFileSpec = **(FSSpec**) specDesc.dataHandle;
 526             if (specDesc.dataHandle != nil) {
 527                 ::AEDisposeDesc(&specDesc);
 528             }
 529             m_path = wxMacFSSpec2MacFilename( &outFileSpec ) ;
 530             m_paths.Add( m_path ) ;
 531             m_fileName = wxFileNameFromPath(m_path);
 532             m_fileNames.Add(m_fileName);
 533         }
 534         // set these to the first hit
 535         m_path = m_paths[ 0 ] ;
 536         m_fileName = wxFileNameFromPath(m_path);
 537         m_dir = wxPathOnly(m_path);
 538         NavDisposeReply( &mNavReply ) ;
 539         return wxID_OK ;
 540     }
 541     return wxID_CANCEL;
 542 }
 543
 544 // Generic file load/save dialog
 545 static wxString
 546 wxDefaultFileSelector(bool load, const char *what, const char *extension, const char *default_name, wxWindow *parent)
 547 {
 548     char *ext = (char *)extension;
 549
 550     char prompt[50];
 551     wxString str;
 552     if (load)
 553         str = "Load %s file";
 554     else
 555         str = "Save %s file";
 556     sprintf(prompt, wxGetTranslation(str), what);
 557
 558     if (*ext == '.') ext++;
 559     char wild[60];
 560     sprintf(wild, "*.%s", ext);
 561
 562     return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent);
 563 }
 564
 565 // Generic file load dialog
 566 wxString
 567 wxLoadFileSelector(const char *what, const char *extension, const char *default_name, wxWindow *parent)
 568 {
 569     return wxDefaultFileSelector(TRUE, what, extension, default_name, parent);
 570 }
 571
 572
 573 // Generic file save dialog
 574 wxString
 575 wxSaveFileSelector(const char *what, const char *extension, const char *default_name, wxWindow *parent)
 576 {
 577     return wxDefaultFileSelector(FALSE, what, extension, default_name, parent);
 578 }
 579
 580