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 since the high level assert will use the encoders that
 621     // are not yet setup...
 622
 623     OSStatus status = noErr ;
 624     status = TECCreateConverter(&s_TECNativeCToUnicode,
 625         wxApp::s_macDefaultEncodingIsPC ? kTextEncodingWindowsLatin1 : kTextEncodingMacRoman, kTextEncodingUnicodeDefault);
 626
 627
 628     status = TECCreateConverter(&s_TECUnicodeToNativeC,
 629         kTextEncodingUnicodeDefault, wxApp::s_macDefaultEncodingIsPC ? kTextEncodingWindowsLatin1 : kTextEncodingMacRoman);
 630
 631     if ( wxApp::s_macDefaultEncodingIsPC )
 632     {
 633         status = TECCreateConverter(&s_TECPlatformToNativeC,
 634                 kTextEncodingMacRoman, wxApp::s_macDefaultEncodingIsPC ? kTextEncodingWindowsLatin1 : kTextEncodingMacRoman);
 635
 636
 637         status = TECCreateConverter(&s_TECNativeCToPlatform,
 638                 wxApp::s_macDefaultEncodingIsPC ? kTextEncodingWindowsLatin1 : kTextEncodingMacRoman , kTextEncodingMacRoman );
 639     }
 640 }
 641
 642 void wxMacCleanupConverters()
 643 {
 644     OSStatus status = noErr ;
 645     status = TECDisposeConverter(s_TECNativeCToUnicode);
 646
 647     status = TECDisposeConverter(s_TECUnicodeToNativeC);
 648
 649     status = TECDisposeConverter(s_TECPlatformToNativeC);
 650
 651     status = TECDisposeConverter(s_TECNativeCToPlatform);
 652 }
 653
 654 wxWCharBuffer wxMacStringToWString( const wxString &from )
 655 {
 656 #if wxUSE_UNICODE
 657     wxWCharBuffer result( from.wc_str() ) ;
 658 #else
 659     OSStatus status = noErr ;
 660     ByteCount byteOutLen ;
 661     ByteCount byteInLen = from.Length() ;
 662     ByteCount byteBufferLen = byteInLen *2 ;
 663     wxWCharBuffer result( from.Length() ) ;
 664     status = TECConvertText(s_TECNativeCToUnicode, (ConstTextPtr)from.c_str() , byteInLen, &byteInLen,
 665         (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 666     result.data()[byteOutLen/2] = 0 ;
 667 #endif
 668     return result ;
 669 }
 670
 671 wxString wxMacMakeStringFromCString( const char * from , int len )
 672 {
 673     OSStatus status = noErr ;
 674     wxString result ;
 675     wxChar* buf = result.GetWriteBuf( len ) ;
 676 #if wxUSE_UNICODE
 677     ByteCount byteOutLen ;
 678     ByteCount byteInLen = len ;
 679     ByteCount byteBufferLen = len *2 ;
 680
 681     status = TECConvertText(s_TECNativeCToUnicode, (ConstTextPtr)from , byteInLen, &byteInLen,
 682         (TextPtr)buf, byteBufferLen, &byteOutLen);
 683 #else
 684     if ( !wxApp::s_macDefaultEncodingIsPC )
 685         memcpy( buf , from , len ) ;
 686     else
 687     {
 688         OSStatus status = noErr ;
 689         ByteCount byteOutLen ;
 690         ByteCount byteInLen = len ;
 691         ByteCount byteBufferLen = byteInLen ;
 692
 693         status = TECConvertText(s_TECPlatformToNativeC, (ConstTextPtr)from , byteInLen, &byteInLen,
 694             (TextPtr)buf, byteBufferLen, &byteOutLen);
 695     }
 696 #endif
 697     buf[len] = 0 ;
 698     result.UngetWriteBuf() ;
 699     return result ;
 700 }
 701
 702 wxString wxMacMakeStringFromCString( const char * from )
 703 {
 704     return wxMacMakeStringFromCString( from , strlen(from) ) ;
 705 }
 706
 707 wxCharBuffer wxMacStringToCString( const wxString &from )
 708 {
 709 #if wxUSE_UNICODE
 710     OSStatus status = noErr ;
 711     ByteCount byteOutLen ;
 712     ByteCount byteInLen = from.Length() * 2 ;
 713     ByteCount byteBufferLen = from.Length() ;
 714     wxCharBuffer result( from.Length() ) ;
 715     status = TECConvertText(s_TECUnicodeToNativeC , (ConstTextPtr)from.wc_str() , byteInLen, &byteInLen,
 716         (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 717     return result ;
 718 #else
 719     if ( !wxApp::s_macDefaultEncodingIsPC )
 720         return wxCharBuffer( from.c_str() ) ;
 721     else
 722     {
 723         wxCharBuffer result( from.Length() ) ;
 724         OSStatus status = noErr ;
 725         ByteCount byteOutLen ;
 726         ByteCount byteInLen = from.Length() ;
 727         ByteCount byteBufferLen = byteInLen ;
 728
 729         status = TECConvertText(s_TECNativeCToPlatform, (ConstTextPtr)from.c_str() , byteInLen, &byteInLen,
 730             (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 731         return result ;
 732     }
 733 #endif
 734 }
 735
 736 void wxMacStringToPascal( const wxString&from , StringPtr to )
 737 {
 738     wxCharBuffer buf = wxMacStringToCString( from ) ;
 739     int len = strlen(buf) ;
 740
 741     if ( len > 255 )
 742         len = 255 ;
 743     to[0] = len ;
 744     memcpy( (char*) &to[1] , buf , len ) ;
 745 }
 746
 747 wxString wxMacMakeStringFromPascal( ConstStringPtr from )
 748 {
 749     return wxMacMakeStringFromCString( (char*) &from[1] , from[0] ) ;
 750 }
 751
 752 //
 753 // CFStringRefs (Carbon only)
 754 //
 755
 756 #if TARGET_CARBON
 757 // converts this string into a carbon foundation string with optional pc 2 mac encoding
 758 void wxMacCFStringHolder::Assign( const wxString &str )
 759 {
 760 #if wxUSE_UNICODE
 761         m_cfs = CFStringCreateWithCharacters( kCFAllocatorDefault,
 762                 (const unsigned short*)str.wc_str(), str.Len() );
 763 #else
 764     m_cfs = CFStringCreateWithCString( kCFAllocatorSystemDefault , str.c_str() ,
 765         wxApp::s_macDefaultEncodingIsPC ?
 766         kCFStringEncodingWindowsLatin1 : CFStringGetSystemEncoding() ) ;
 767 #endif
 768     m_release = true ;
 769 }
 770
 771 wxString wxMacCFStringHolder::AsString()
 772 {
 773     wxString result ;
 774     Size len = CFStringGetLength( m_cfs )  ;
 775     wxChar* buf = result.GetWriteBuf( len ) ;
 776 #if wxUSE_UNICODE
 777     CFStringGetCharacters( m_cfs , CFRangeMake( 0 , len ) , (UniChar*) buf ) ;
 778 #else
 779     CFStringGetCString( m_cfs , buf , len+1 , wxApp::s_macDefaultEncodingIsPC ?
 780         kCFStringEncodingWindowsLatin1 : CFStringGetSystemEncoding() ) ;
 781 #endif
 782     buf[len] = 0 ;
 783     result.UngetWriteBuf() ;
 784     return result ;
 785 }
 786
 787 #if 0
 788
 789 wxString wxMacMakeMacStringFromPC( const wxChar * p )
 790 {
 791     wxString result ;
 792     int len = wxStrlen ( p ) ;
 793     if ( len > 0 )
 794     {
 795         wxChar* ptr = result.GetWriteBuf(len) ;
 796         wxMacConvertFromPC( p , ptr , len ) ;
 797         ptr[len] = 0 ;
 798         result.UngetWriteBuf( len ) ;
 799     }
 800     return result ;
 801 }
 802
 803 wxString wxMacMakePCStringFromMac( const wxChar * p )
 804 {
 805     wxString result ;
 806     int len = wxStrlen ( p ) ;
 807     if ( len > 0 )
 808     {
 809         wxChar* ptr = result.GetWriteBuf(len) ;
 810         wxMacConvertToPC( p , ptr , len ) ;
 811         ptr[len] = 0 ;
 812         result.UngetWriteBuf( len ) ;
 813     }
 814     return result ;
 815 }
 816
 817 wxString wxMacMakeStringFromMacString( const wxChar* from , bool mac2pcEncoding )
 818 {
 819     if (mac2pcEncoding)
 820     {
 821       return wxMacMakePCStringFromMac( from ) ;
 822     }
 823     else
 824     {
 825       return wxString( from ) ;
 826     }
 827 }
 828
 829 //
 830 // Pascal Strings
 831 //
 832
 833 wxString wxMacMakeStringFromPascal( ConstStringPtr from , bool mac2pcEncoding )
 834 {
 835       // this is safe since a pascal string can never be larger than 256 bytes
 836       char s[256] ;
 837       CopyPascalStringToC( from , s ) ;
 838     if (mac2pcEncoding)
 839     {
 840       return wxMacMakePCStringFromMac( s ) ;
 841     }
 842     else
 843     {
 844       return wxString( s ) ;
 845     }
 846 }
 847
 848 void wxMacStringToPascal( const wxChar * from , StringPtr to , bool pc2macEncoding )
 849 {
 850     if (pc2macEncoding)
 851     {
 852       CopyCStringToPascal( wxMacMakeMacStringFromPC( from ) , to ) ;
 853     }
 854     else
 855     {
 856       CopyCStringToPascal( from , to ) ;
 857     }
 858 }
 859 #endif
 860
 861
 862 #endif //TARGET_CARBON
 863