src/mac/utils.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        utils.cpp
   3 // Purpose:     Various utilities
   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 // Note: this is done in utilscmn.cpp now.
  14 // #pragma implementation "utils.h"
  15 #endif
  16
  17 #include "wx/setup.h"
  18 #include "wx/utils.h"
  19 #include "wx/app.h"
  20 #include "wx/mac/uma.h"
  21
  22 #include <ctype.h>
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <stdarg.h>
  28
  29 #ifdef __DARWIN__
  30 #  include "MoreFilesX.h"
  31 #else
  32 #  include "MoreFiles.h"
  33 #  include "MoreFilesExtras.h"
  34 #endif
  35
  36 #ifndef __DARWIN__
  37 #include <Threads.h>
  38 #include <Sound.h>
  39 #endif
  40
  41 #include "ATSUnicode.h"
  42 #include "TextCommon.h"
  43 #include "TextEncodingConverter.h"
  44
  45 #ifndef __DARWIN__
  46 // defined in unix/utilsunx.cpp for Mac OS X
  47
  48 // get full hostname (with domain name if possible)
  49 bool wxGetFullHostName(wxChar *buf, int maxSize)
  50 {
  51     return wxGetHostName(buf, maxSize);
  52 }
  53
  54 // Get hostname only (without domain name)
  55 bool wxGetHostName(wxChar *buf, int maxSize)
  56 {
  57     // Gets Chooser name of user by examining a System resource.
  58
  59     const short kComputerNameID = -16413;
  60
  61     short oldResFile = CurResFile() ;
  62     UseResFile(0);
  63     StringHandle chooserName = (StringHandle)::GetString(kComputerNameID);
  64     UseResFile(oldResFile);
  65
  66     if (chooserName && *chooserName)
  67     {
  68         HLock( (Handle) chooserName ) ;
  69         wxString name = wxMacMakeStringFromPascal( *chooserName ) ;
  70         HUnlock( (Handle) chooserName ) ;
  71         ReleaseResource( (Handle) chooserName ) ;
  72         wxStrncpy( buf , name , maxSize - 1 ) ;
  73     }
  74     else
  75         buf[0] = 0 ;
  76
  77   return TRUE;
  78 }
  79
  80 // Get user ID e.g. jacs
  81 bool wxGetUserId(wxChar *buf, int maxSize)
  82 {
  83   return wxGetUserName( buf , maxSize ) ;
  84 }
  85
  86 const wxChar* wxGetHomeDir(wxString *pstr)
  87 {
  88     *pstr = wxMacFindFolder(  (short) kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder ) ;
  89     return pstr->c_str() ;
  90 }
  91
  92 // Get user name e.g. Stefan Csomor
  93 bool wxGetUserName(wxChar *buf, int maxSize)
  94 {
  95     // Gets Chooser name of user by examining a System resource.
  96
  97     const short kChooserNameID = -16096;
  98
  99     short oldResFile = CurResFile() ;
 100     UseResFile(0);
 101     StringHandle chooserName = (StringHandle)::GetString(kChooserNameID);
 102     UseResFile(oldResFile);
 103
 104     if (chooserName && *chooserName)
 105     {
 106         HLock( (Handle) chooserName ) ;
 107         wxString name = wxMacMakeStringFromPascal( *chooserName ) ;
 108         HUnlock( (Handle) chooserName ) ;
 109         ReleaseResource( (Handle) chooserName ) ;
 110         wxStrncpy( buf , name , maxSize - 1 ) ;
 111     }
 112     else
 113         buf[0] = 0 ;
 114
 115   return TRUE;
 116 }
 117
 118 int wxKill(long pid, wxSignal sig , wxKillError *rc )
 119 {
 120     // TODO
 121     return 0;
 122 }
 123
 124 WXDLLEXPORT bool wxGetEnv(const wxString& var, wxString *value)
 125 {
 126     // TODO : under classic there is no environement support, under X yes
 127     return false ;
 128 }
 129
 130 // set the env var name to the given value, return TRUE on success
 131 WXDLLEXPORT bool wxSetEnv(const wxString& var, const wxChar *value)
 132 {
 133     // TODO : under classic there is no environement support, under X yes
 134     return false ;
 135 }
 136
 137 //
 138 // Execute a program in an Interactive Shell
 139 //
 140 bool wxShell(const wxString& command)
 141 {
 142     // TODO
 143     return FALSE;
 144 }
 145
 146 // Shutdown or reboot the PC
 147 bool wxShutdown(wxShutdownFlags wFlags)
 148 {
 149     // TODO
 150     return FALSE;
 151 }
 152
 153 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 154 long wxGetFreeMemory()
 155 {
 156     return FreeMem() ;
 157 }
 158
 159 void wxUsleep(unsigned long milliseconds)
 160 {
 161     clock_t start = clock() ;
 162     do
 163     {
 164         YieldToAnyThread() ;
 165     } while( clock() - start < milliseconds /  1000.0 * CLOCKS_PER_SEC ) ;
 166 }
 167
 168 void wxSleep(int nSecs)
 169 {
 170     wxUsleep(1000*nSecs);
 171 }
 172
 173 // Consume all events until no more left
 174 void wxFlushEvents()
 175 {
 176 }
 177
 178 #if WXWIN_COMPATIBILITY_2_2
 179
 180 // Output a debug message, in a system dependent fashion.
 181 void wxDebugMsg(const char *fmt ...)
 182 {
 183     va_list ap;
 184     static char buffer[512];
 185
 186     if (!wxTheApp->GetWantDebugOutput())
 187         return ;
 188
 189     va_start(ap, fmt);
 190
 191     vsprintf(buffer,fmt,ap) ;
 192     strcat(buffer,";g") ;
 193     c2pstr(buffer) ;
 194     DebugStr((unsigned char*) buffer) ;
 195
 196     va_end(ap);
 197 }
 198
 199 // Non-fatal error: pop up message box and (possibly) continue
 200 void wxError(const wxString& msg, const wxString& title)
 201 {
 202       if (wxMessageBox(wxString::Format(wxT("%s\nContinue?"),msg), title, wxYES_NO) == wxID_NO )
 203         wxExit();
 204 }
 205
 206 // Fatal error: pop up message box and abort
 207 void wxFatalError(const wxString& msg, const wxString& title)
 208 {
 209     wxMessageBox(wxString::Format(wxT("%s: %s"),title,msg));
 210     wxExit();
 211 }
 212
 213 #endif // WXWIN_COMPATIBILITY_2_2
 214
 215 #endif // !__DARWIN__
 216
 217 // Emit a beeeeeep
 218 void wxBell()
 219 {
 220     SysBeep(30);
 221 }
 222
 223 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 224 {
 225     long theSystem ;
 226
 227     // are there x-platform conventions ?
 228
 229     Gestalt(gestaltSystemVersion, &theSystem) ;
 230     if (minorVsn != NULL) {
 231         *minorVsn = (theSystem & 0xFF ) ;
 232     }
 233     if (majorVsn != NULL) {
 234         *majorVsn = (theSystem >> 8 ) ;
 235     }
 236 #ifdef __DARWIN__
 237     return wxMAC_DARWIN;
 238 #else
 239     return wxMAC;
 240 #endif
 241 }
 242
 243 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 244 #if wxUSE_RESOURCES
 245 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 246 {
 247     // TODO
 248     return FALSE;
 249 }
 250
 251 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 252 {
 253     wxString buf;
 254     buf.Printf(wxT("%.4f"), value);
 255
 256     return wxWriteResource(section, entry, buf, file);
 257 }
 258
 259 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 260 {
 261     wxString buf;
 262     buf.Printf(wxT("%ld"), value);
 263
 264     return wxWriteResource(section, entry, buf, file);
 265 }
 266
 267 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
 268 {
 269     wxString buf;
 270     buf.Printf(wxT("%d"), value);
 271
 272     return wxWriteResource(section, entry, buf, file);
 273 }
 274
 275 bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
 276 {
 277     // TODO
 278     return FALSE;
 279 }
 280
 281 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
 282 {
 283     char *s = NULL;
 284     bool succ = wxGetResource(section, entry, (char **)&s, file);
 285     if (succ)
 286     {
 287         *value = (float)strtod(s, NULL);
 288         delete[] s;
 289         return TRUE;
 290     }
 291     else return FALSE;
 292 }
 293
 294 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
 295 {
 296     char *s = NULL;
 297     bool succ = wxGetResource(section, entry, (char **)&s, file);
 298     if (succ)
 299     {
 300         *value = strtol(s, NULL, 10);
 301         delete[] s;
 302         return TRUE;
 303     }
 304     else return FALSE;
 305 }
 306
 307 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
 308 {
 309     char *s = NULL;
 310     bool succ = wxGetResource(section, entry, (char **)&s, file);
 311     if (succ)
 312     {
 313         *value = (int)strtol(s, NULL, 10);
 314         delete[] s;
 315         return TRUE;
 316     }
 317     else return FALSE;
 318 }
 319 #endif // wxUSE_RESOURCES
 320
 321 int gs_wxBusyCursorCount = 0;
 322 extern wxCursor    gMacCurrentCursor ;
 323 wxCursor        gMacStoredActiveCursor ;
 324
 325 // Set the cursor to the busy cursor for all windows
 326 void wxBeginBusyCursor(wxCursor *cursor)
 327 {
 328     if (gs_wxBusyCursorCount++ == 0)
 329     {
 330         gMacStoredActiveCursor = gMacCurrentCursor ;
 331         cursor->MacInstall() ;
 332     }
 333     //else: nothing to do, already set
 334 }
 335
 336 // Restore cursor to normal
 337 void wxEndBusyCursor()
 338 {
 339     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 340         wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 341
 342     if (--gs_wxBusyCursorCount == 0)
 343     {
 344         gMacStoredActiveCursor.MacInstall() ;
 345         gMacStoredActiveCursor = wxNullCursor ;
 346     }
 347 }
 348
 349 // TRUE if we're between the above two calls
 350 bool wxIsBusy()
 351 {
 352     return (gs_wxBusyCursorCount > 0);
 353 }
 354
 355 wxString wxMacFindFolder( short        vol,
 356               OSType       folderType,
 357               Boolean      createFolder)
 358 {
 359     short    vRefNum  ;
 360     long     dirID ;
 361     wxString strDir ;
 362
 363     if ( FindFolder( vol, folderType, createFolder, &vRefNum, &dirID) == noErr)
 364     {
 365         FSSpec file ;
 366         if ( FSMakeFSSpec( vRefNum , dirID , "\p" , &file ) == noErr )
 367         {
 368             strDir = wxMacFSSpec2MacFilename( &file ) + wxFILE_SEP_PATH ;
 369         }
 370     }
 371     return strDir ;
 372 }
 373
 374 #ifndef __DARWIN__
 375 wxChar *wxGetUserHome (const wxString& user)
 376 {
 377     // TODO
 378     return NULL;
 379 }
 380
 381 bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 382 {
 383     if ( path.empty() )
 384         return FALSE;
 385
 386     wxString p = path ;
 387     if (p[0] == ':' ) {
 388       p = wxGetCwd() + p ;
 389     }
 390
 391     int pos = p.Find(':') ;
 392     if ( pos != wxNOT_FOUND ) {
 393       p = p.Mid(1,pos) ;
 394     }
 395
 396     p = p + wxT(":") ;
 397
 398     Str255 volumeName ;
 399     XVolumeParam pb ;
 400
 401     wxMacStringToPascal( p  , volumeName ) ;
 402     OSErr err = XGetVolumeInfoNoName( volumeName , 0 , &pb ) ;
 403     if ( err == noErr ) {
 404       if ( pTotal ) {
 405         (*pTotal) = wxLongLong( pb.ioVTotalBytes ) ;
 406       }
 407       if ( pFree ) {
 408         (*pFree) = wxLongLong( pb.ioVFreeBytes ) ;
 409       }
 410     }
 411
 412     return err == noErr ;
 413 }
 414 #endif
 415
 416 // Check whether this window wants to process messages, e.g. Stop button
 417 // in long calculations.
 418 bool wxCheckForInterrupt(wxWindow *wnd)
 419 {
 420     // TODO
 421     return FALSE;
 422 }
 423
 424 void wxGetMousePosition( int* x, int* y )
 425 {
 426     Point pt ;
 427
 428     GetMouse( &pt ) ;
 429     LocalToGlobal( &pt ) ;
 430     *x = pt.h ;
 431     *y = pt.v ;
 432 };
 433
 434 // Return TRUE if we have a colour display
 435 bool wxColourDisplay()
 436 {
 437     return TRUE;
 438 }
 439
 440 // Returns depth of screen
 441 int wxDisplayDepth()
 442 {
 443     Rect globRect ;
 444     SetRect(&globRect, -32760, -32760, 32760, 32760);
 445     GDHandle    theMaxDevice;
 446
 447     int theDepth = 8;
 448     theMaxDevice = GetMaxDevice(&globRect);
 449     if (theMaxDevice != nil)
 450         theDepth = (**(**theMaxDevice).gdPMap).pixelSize;
 451
 452     return theDepth ;
 453 }
 454
 455 // Get size of display
 456 void wxDisplaySize(int *width, int *height)
 457 {
 458     BitMap screenBits;
 459     GetQDGlobalsScreenBits( &screenBits );
 460
 461     if (width != NULL) {
 462         *width = screenBits.bounds.right - screenBits.bounds.left  ;
 463     }
 464     if (height != NULL) {
 465         *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 466     }
 467 }
 468
 469 void wxDisplaySizeMM(int *width, int *height)
 470 {
 471     wxDisplaySize(width, height);
 472     // on mac 72 is fixed (at least now ;-)
 473     float cvPt2Mm = 25.4 / 72;
 474
 475     if (width != NULL) {
 476         *width = int( *width * cvPt2Mm );
 477     }
 478     if (height != NULL) {
 479         *height = int( *height * cvPt2Mm );
 480     }
 481 }
 482
 483 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 484 {
 485     BitMap screenBits;
 486     GetQDGlobalsScreenBits( &screenBits );
 487
 488     if (x) *x = 0;
 489     if (y) *y = 0;
 490
 491     if (width != NULL) {
 492         *width = screenBits.bounds.right - screenBits.bounds.left  ;
 493     }
 494     if (height != NULL) {
 495         *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 496     }
 497
 498     SInt16 mheight ;
 499 #if TARGET_CARBON
 500     GetThemeMenuBarHeight( &mheight ) ;
 501 #else
 502     mheight = LMGetMBarHeight() ;
 503 #endif
 504     if (height != NULL) {
 505         *height -= mheight ;
 506     }
 507     if (y)
 508         *y = mheight ;
 509 }
 510
 511 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 512 {
 513     return wxGenericFindWindowAtPoint(pt);
 514 }
 515
 516 wxString wxGetOsDescription()
 517 {
 518 #ifdef WXWIN_OS_DESCRIPTION
 519     // use configure generated description if available
 520     return wxString("MacOS (") + WXWIN_OS_DESCRIPTION + wxString(")");
 521 #else
 522     return wxT("MacOS") ; //TODO:define further
 523 #endif
 524 }
 525
 526 //---------------------------------------------------------------------------
 527 // wxMac Specific utility functions
 528 //---------------------------------------------------------------------------
 529
 530 char StringMac[] =  "\x0d\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"
 531                     "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"
 532                     "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xae\xaf"
 533                     "\xb1\xb4\xb5\xb6\xbb\xbc\xbe\xbf"
 534                     "\xc0\xc1\xc2\xc4\xc7\xc8\xc9\xcb\xcc\xcd\xce\xcf"
 535                     "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd8\xca\xdb" ;
 536
 537 char StringANSI[] = "\x0a\xC4\xC5\xC7\xC9\xD1\xD6\xDC\xE1\xE0\xE2\xE4\xE3\xE5\xE7\xE9\xE8"
 538                     "\xEA\xEB\xED\xEC\xEE\xEF\xF1\xF3\xF2\xF4\xF6\xF5\xFA\xF9\xFB\xFC"
 539                     "\x86\xBA\xA2\xA3\xA7\x95\xB6\xDF\xAE\xA9\x99\xB4\xA8\xC6\xD8"
 540                     "\xB1\xA5\xB5\xF0\xAA\xBA\xE6\xF8"
 541                     "\xBF\xA1\xAC\x83\xAB\xBB\x85\xC0\xC3\xD5\x8C\x9C"
 542                     "\x96\x97\x93\x94\x91\x92\xF7\xFF\xA0\x80" ;
 543
 544 void wxMacConvertFromPC( const char *from , char *to , int len )
 545 {
 546     char *c ;
 547     if ( from == to )
 548     {
 549         for( int i = 0 ; i < len ; ++ i )
 550         {
 551             c = strchr( StringANSI , *from ) ;
 552             if ( c != NULL )
 553             {
 554                 *to = StringMac[ c - StringANSI] ;
 555             }
 556             ++to ;
 557             ++from ;
 558         }
 559     }
 560     else
 561     {
 562         for( int i = 0 ; i < len ; ++ i )
 563         {
 564             c = strchr( StringANSI , *from ) ;
 565             if ( c != NULL )
 566             {
 567                 *to = StringMac[ c - StringANSI] ;
 568             }
 569             else
 570             {
 571                 *to = *from ;
 572             }
 573             ++to ;
 574             ++from ;
 575         }
 576     }
 577 }
 578
 579 void wxMacConvertToPC( const char *from , char *to , int len )
 580 {
 581     char *c ;
 582     if ( from == to )
 583     {
 584         for( int i = 0 ; i < len ; ++ i )
 585         {
 586             c = strchr( StringMac , *from ) ;
 587             if ( c != NULL )
 588             {
 589                 *to = StringANSI[ c - StringMac] ;
 590             }
 591             ++to ;
 592             ++from ;
 593         }
 594     }
 595     else
 596     {
 597         for( int i = 0 ; i < len ; ++ i )
 598         {
 599             c = strchr( StringMac , *from ) ;
 600             if ( c != NULL )
 601             {
 602                 *to = StringANSI[ c - StringMac] ;
 603             }
 604             else
 605             {
 606                 *to = *from ;
 607             }
 608             ++to ;
 609             ++from ;
 610         }
 611     }
 612 }
 613
 614 TECObjectRef s_TECNativeCToUnicode = NULL ;
 615 TECObjectRef s_TECUnicodeToNativeC = NULL ;
 616 TECObjectRef s_TECPlatformToNativeC = NULL ;
 617 TECObjectRef s_TECNativeCToPlatform = NULL ;
 618 void wxMacSetupConverters()
 619 {
 620     // if we assume errors are happening here we need low level debugging
 621     // since the high level assert will use the encoders that are not yet
 622     // setup...
 623     const int kEncoding = wxApp::s_macDefaultEncodingIsPC
 624                             ? (int)kTextEncodingWindowsLatin1
 625                             : (int)kTextEncodingMacRoman;
 626
 627     OSStatus status = noErr ;
 628     status = TECCreateConverter(&s_TECNativeCToUnicode,
 629                                 kEncoding,
 630                                 kTextEncodingUnicodeDefault);
 631
 632
 633     status = TECCreateConverter(&s_TECUnicodeToNativeC,
 634                                 kTextEncodingUnicodeDefault,
 635                                 kEncoding);
 636
 637     if ( wxApp::s_macDefaultEncodingIsPC )
 638     {
 639         status = TECCreateConverter(&s_TECPlatformToNativeC,
 640                                     kTextEncodingMacRoman,
 641                                     kTextEncodingWindowsLatin1);
 642
 643
 644         status = TECCreateConverter(&s_TECNativeCToPlatform,
 645                                     kTextEncodingWindowsLatin1,
 646                                     kTextEncodingMacRoman);
 647     }
 648 }
 649
 650 void wxMacCleanupConverters()
 651 {
 652     OSStatus status = noErr ;
 653     status = TECDisposeConverter(s_TECNativeCToUnicode);
 654
 655     status = TECDisposeConverter(s_TECUnicodeToNativeC);
 656
 657     status = TECDisposeConverter(s_TECPlatformToNativeC);
 658
 659     status = TECDisposeConverter(s_TECNativeCToPlatform);
 660 }
 661
 662 wxWCharBuffer wxMacStringToWString( const wxString &from )
 663 {
 664 #if wxUSE_UNICODE
 665     wxWCharBuffer result( from.wc_str() ) ;
 666 #else
 667     OSStatus status = noErr ;
 668     ByteCount byteOutLen ;
 669     ByteCount byteInLen = from.Length() ;
 670     ByteCount byteBufferLen = byteInLen *2 ;
 671     wxWCharBuffer result( from.Length() ) ;
 672     status = TECConvertText(s_TECNativeCToUnicode, (ConstTextPtr)from.c_str() , byteInLen, &byteInLen,
 673         (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 674     result.data()[byteOutLen/2] = 0 ;
 675 #endif
 676     return result ;
 677 }
 678
 679 wxString wxMacMakeStringFromCString( const char * from , int len )
 680 {
 681     OSStatus status = noErr ;
 682     wxString result ;
 683     wxChar* buf = result.GetWriteBuf( len ) ;
 684 #if wxUSE_UNICODE
 685     ByteCount byteOutLen ;
 686     ByteCount byteInLen = len ;
 687     ByteCount byteBufferLen = len *2 ;
 688
 689     status = TECConvertText(s_TECNativeCToUnicode, (ConstTextPtr)from , byteInLen, &byteInLen,
 690         (TextPtr)buf, byteBufferLen, &byteOutLen);
 691 #else
 692     if ( !wxApp::s_macDefaultEncodingIsPC )
 693         memcpy( buf , from , len ) ;
 694     else
 695     {
 696         ByteCount byteOutLen ;
 697         ByteCount byteInLen = len ;
 698         ByteCount byteBufferLen = byteInLen ;
 699
 700         status = TECConvertText(s_TECPlatformToNativeC, (ConstTextPtr)from , byteInLen, &byteInLen,
 701             (TextPtr)buf, byteBufferLen, &byteOutLen);
 702     }
 703 #endif
 704     buf[len] = 0 ;
 705     result.UngetWriteBuf() ;
 706     return result ;
 707 }
 708
 709 wxString wxMacMakeStringFromCString( const char * from )
 710 {
 711     return wxMacMakeStringFromCString( from , strlen(from) ) ;
 712 }
 713
 714 wxCharBuffer wxMacStringToCString( const wxString &from )
 715 {
 716 #if wxUSE_UNICODE
 717     OSStatus status = noErr ;
 718     ByteCount byteOutLen ;
 719     ByteCount byteInLen = from.Length() * 2 ;
 720     ByteCount byteBufferLen = from.Length() ;
 721     wxCharBuffer result( from.Length() ) ;
 722     status = TECConvertText(s_TECUnicodeToNativeC , (ConstTextPtr)from.wc_str() , byteInLen, &byteInLen,
 723         (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 724     return result ;
 725 #else
 726     if ( !wxApp::s_macDefaultEncodingIsPC )
 727         return wxCharBuffer( from.c_str() ) ;
 728     else
 729     {
 730         wxCharBuffer result( from.Length() ) ;
 731         OSStatus status = noErr ;
 732         ByteCount byteOutLen ;
 733         ByteCount byteInLen = from.Length() ;
 734         ByteCount byteBufferLen = byteInLen ;
 735
 736         status = TECConvertText(s_TECNativeCToPlatform, (ConstTextPtr)from.c_str() , byteInLen, &byteInLen,
 737             (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 738         return result ;
 739     }
 740 #endif
 741 }
 742
 743 void wxMacStringToPascal( const wxString&from , StringPtr to )
 744 {
 745     wxCharBuffer buf = wxMacStringToCString( from ) ;
 746     int len = strlen(buf) ;
 747
 748     if ( len > 255 )
 749         len = 255 ;
 750     to[0] = len ;
 751     memcpy( (char*) &to[1] , buf , len ) ;
 752 }
 753
 754 wxString wxMacMakeStringFromPascal( ConstStringPtr from )
 755 {
 756     return wxMacMakeStringFromCString( (char*) &from[1] , from[0] ) ;
 757 }
 758
 759 //
 760 // CFStringRefs (Carbon only)
 761 //
 762
 763 #if TARGET_CARBON
 764 // converts this string into a carbon foundation string with optional pc 2 mac encoding
 765 void wxMacCFStringHolder::Assign( const wxString &str )
 766 {
 767 #if wxUSE_UNICODE
 768         m_cfs = CFStringCreateWithCharacters( kCFAllocatorDefault,
 769                 (const unsigned short*)str.wc_str(), str.Len() );
 770 #else
 771     m_cfs = CFStringCreateWithCString( kCFAllocatorSystemDefault , str.c_str() ,
 772         wxApp::s_macDefaultEncodingIsPC ?
 773         kCFStringEncodingWindowsLatin1 : CFStringGetSystemEncoding() ) ;
 774 #endif
 775     m_release = true ;
 776 }
 777
 778 wxString wxMacCFStringHolder::AsString()
 779 {
 780     wxString result ;
 781     Size len = CFStringGetLength( m_cfs )  ;
 782     wxChar* buf = result.GetWriteBuf( len ) ;
 783 #if wxUSE_UNICODE
 784     CFStringGetCharacters( m_cfs , CFRangeMake( 0 , len ) , (UniChar*) buf ) ;
 785 #else
 786     CFStringGetCString( m_cfs , buf , len+1 , wxApp::s_macDefaultEncodingIsPC ?
 787         kCFStringEncodingWindowsLatin1 : CFStringGetSystemEncoding() ) ;
 788 #endif
 789     buf[len] = 0 ;
 790     result.UngetWriteBuf() ;
 791     return result ;
 792 }
 793
 794 #if 0
 795
 796 wxString wxMacMakeMacStringFromPC( const wxChar * p )
 797 {
 798     wxString result ;
 799     int len = wxStrlen ( p ) ;
 800     if ( len > 0 )
 801     {
 802         wxChar* ptr = result.GetWriteBuf(len) ;
 803         wxMacConvertFromPC( p , ptr , len ) ;
 804         ptr[len] = 0 ;
 805         result.UngetWriteBuf( len ) ;
 806     }
 807     return result ;
 808 }
 809
 810 wxString wxMacMakePCStringFromMac( const wxChar * p )
 811 {
 812     wxString result ;
 813     int len = wxStrlen ( p ) ;
 814     if ( len > 0 )
 815     {
 816         wxChar* ptr = result.GetWriteBuf(len) ;
 817         wxMacConvertToPC( p , ptr , len ) ;
 818         ptr[len] = 0 ;
 819         result.UngetWriteBuf( len ) ;
 820     }
 821     return result ;
 822 }
 823
 824 wxString wxMacMakeStringFromMacString( const wxChar* from , bool mac2pcEncoding )
 825 {
 826     if (mac2pcEncoding)
 827     {
 828       return wxMacMakePCStringFromMac( from ) ;
 829     }
 830     else
 831     {
 832       return wxString( from ) ;
 833     }
 834 }
 835
 836 //
 837 // Pascal Strings
 838 //
 839
 840 wxString wxMacMakeStringFromPascal( ConstStringPtr from , bool mac2pcEncoding )
 841 {
 842       // this is safe since a pascal string can never be larger than 256 bytes
 843       char s[256] ;
 844       CopyPascalStringToC( from , s ) ;
 845     if (mac2pcEncoding)
 846     {
 847       return wxMacMakePCStringFromMac( s ) ;
 848     }
 849     else
 850     {
 851       return wxString( s ) ;
 852     }
 853 }
 854
 855 void wxMacStringToPascal( const wxChar * from , StringPtr to , bool pc2macEncoding )
 856 {
 857     if (pc2macEncoding)
 858     {
 859       CopyCStringToPascal( wxMacMakeMacStringFromPC( from ) , to ) ;
 860     }
 861     else
 862     {
 863       CopyCStringToPascal( from , to ) ;
 864     }
 865 }
 866 #endif
 867
 868
 869 #endif //TARGET_CARBON
 870