src/mac/carbon/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/apptrait.h"
  21 #include "wx/mac/uma.h"
  22
  23 #include <ctype.h>
  24
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <stdarg.h>
  29
  30 #ifdef __DARWIN__
  31 #  include "MoreFilesX.h"
  32 #else
  33 #  include "MoreFiles.h"
  34 #  include "MoreFilesExtras.h"
  35 #endif
  36
  37 #ifndef __DARWIN__
  38 #include <Threads.h>
  39 #include <Sound.h>
  40 #endif
  41
  42 #include "ATSUnicode.h"
  43 #include "TextCommon.h"
  44 #include "TextEncodingConverter.h"
  45
  46 #if defined(__WXMAC__)
  47   #include  "wx/mac/private.h"  // includes mac headers
  48 #endif
  49
  50 #if defined(__MWERKS__) && wxUSE_UNICODE
  51     #include <wtime.h>
  52 #endif
  53
  54
  55 #ifndef __DARWIN__
  56 // defined in unix/utilsunx.cpp for Mac OS X
  57
  58 // get full hostname (with domain name if possible)
  59 bool wxGetFullHostName(wxChar *buf, int maxSize)
  60 {
  61     return wxGetHostName(buf, maxSize);
  62 }
  63
  64 // Get hostname only (without domain name)
  65 bool wxGetHostName(wxChar *buf, int maxSize)
  66 {
  67     // Gets Chooser name of user by examining a System resource.
  68
  69     const short kComputerNameID = -16413;
  70
  71     short oldResFile = CurResFile() ;
  72     UseResFile(0);
  73     StringHandle chooserName = (StringHandle)::GetString(kComputerNameID);
  74     UseResFile(oldResFile);
  75
  76     if (chooserName && *chooserName)
  77     {
  78         HLock( (Handle) chooserName ) ;
  79         wxString name = wxMacMakeStringFromPascal( *chooserName ) ;
  80         HUnlock( (Handle) chooserName ) ;
  81         ReleaseResource( (Handle) chooserName ) ;
  82         wxStrncpy( buf , name , maxSize - 1 ) ;
  83     }
  84     else
  85         buf[0] = 0 ;
  86
  87   return TRUE;
  88 }
  89
  90 // Get user ID e.g. jacs
  91 bool wxGetUserId(wxChar *buf, int maxSize)
  92 {
  93   return wxGetUserName( buf , maxSize ) ;
  94 }
  95
  96 const wxChar* wxGetHomeDir(wxString *pstr)
  97 {
  98     *pstr = wxMacFindFolder(  (short) kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder ) ;
  99     return pstr->c_str() ;
 100 }
 101
 102 // Get user name e.g. Stefan Csomor
 103 bool wxGetUserName(wxChar *buf, int maxSize)
 104 {
 105     // Gets Chooser name of user by examining a System resource.
 106
 107     const short kChooserNameID = -16096;
 108
 109     short oldResFile = CurResFile() ;
 110     UseResFile(0);
 111     StringHandle chooserName = (StringHandle)::GetString(kChooserNameID);
 112     UseResFile(oldResFile);
 113
 114     if (chooserName && *chooserName)
 115     {
 116         HLock( (Handle) chooserName ) ;
 117         wxString name = wxMacMakeStringFromPascal( *chooserName ) ;
 118         HUnlock( (Handle) chooserName ) ;
 119         ReleaseResource( (Handle) chooserName ) ;
 120         wxStrncpy( buf , name , maxSize - 1 ) ;
 121     }
 122     else
 123         buf[0] = 0 ;
 124
 125   return TRUE;
 126 }
 127
 128 int wxKill(long pid, wxSignal sig , wxKillError *rc )
 129 {
 130     // TODO
 131     return 0;
 132 }
 133
 134 WXDLLEXPORT bool wxGetEnv(const wxString& var, wxString *value)
 135 {
 136     // TODO : under classic there is no environement support, under X yes
 137     return false ;
 138 }
 139
 140 // set the env var name to the given value, return TRUE on success
 141 WXDLLEXPORT bool wxSetEnv(const wxString& var, const wxChar *value)
 142 {
 143     // TODO : under classic there is no environement support, under X yes
 144     return false ;
 145 }
 146
 147 //
 148 // Execute a program in an Interactive Shell
 149 //
 150 bool wxShell(const wxString& command)
 151 {
 152     // TODO
 153     return FALSE;
 154 }
 155
 156 // Shutdown or reboot the PC
 157 bool wxShutdown(wxShutdownFlags wFlags)
 158 {
 159     // TODO
 160     return FALSE;
 161 }
 162
 163 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 164 long wxGetFreeMemory()
 165 {
 166     return FreeMem() ;
 167 }
 168
 169 void wxUsleep(unsigned long milliseconds)
 170 {
 171     clock_t start = clock() ;
 172     do
 173     {
 174         YieldToAnyThread() ;
 175     } while( clock() - start < milliseconds /  1000.0 * CLOCKS_PER_SEC ) ;
 176 }
 177
 178 void wxSleep(int nSecs)
 179 {
 180     wxUsleep(1000*nSecs);
 181 }
 182
 183 // Consume all events until no more left
 184 void wxFlushEvents()
 185 {
 186 }
 187
 188 #endif // !__DARWIN__
 189
 190 // Emit a beeeeeep
 191 void wxBell()
 192 {
 193     SysBeep(30);
 194 }
 195
 196 #if defined(__WXMAC__) && !defined(__DARWIN__)
 197 int wxAppTraits::GetOSVersion(int *majorVsn, int *minorVsn)
 198 #else
 199 int wxGUIAppTraits::GetOSVersion(int *majorVsn, int *minorVsn)
 200 #endif
 201 {
 202     long theSystem ;
 203
 204     // are there x-platform conventions ?
 205
 206     Gestalt(gestaltSystemVersion, &theSystem) ;
 207     if (minorVsn != NULL) {
 208         *minorVsn = (theSystem & 0xFF ) ;
 209     }
 210     if (majorVsn != NULL) {
 211         *majorVsn = (theSystem >> 8 ) ;
 212     }
 213 #ifdef __DARWIN__
 214     return wxMAC_DARWIN;
 215 #else
 216     return wxMAC;
 217 #endif
 218 }
 219
 220
 221 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 222 #if wxUSE_RESOURCES
 223 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 224 {
 225     // TODO
 226     return FALSE;
 227 }
 228
 229 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 230 {
 231     wxString buf;
 232     buf.Printf(wxT("%.4f"), value);
 233
 234     return wxWriteResource(section, entry, buf, file);
 235 }
 236
 237 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 238 {
 239     wxString buf;
 240     buf.Printf(wxT("%ld"), value);
 241
 242     return wxWriteResource(section, entry, buf, file);
 243 }
 244
 245 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
 246 {
 247     wxString buf;
 248     buf.Printf(wxT("%d"), value);
 249
 250     return wxWriteResource(section, entry, buf, file);
 251 }
 252
 253 bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
 254 {
 255     // TODO
 256     return FALSE;
 257 }
 258
 259 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
 260 {
 261     char *s = NULL;
 262     bool succ = wxGetResource(section, entry, (char **)&s, file);
 263     if (succ)
 264     {
 265         *value = (float)strtod(s, NULL);
 266         delete[] s;
 267         return TRUE;
 268     }
 269     else return FALSE;
 270 }
 271
 272 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
 273 {
 274     char *s = NULL;
 275     bool succ = wxGetResource(section, entry, (char **)&s, file);
 276     if (succ)
 277     {
 278         *value = strtol(s, NULL, 10);
 279         delete[] s;
 280         return TRUE;
 281     }
 282     else return FALSE;
 283 }
 284
 285 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
 286 {
 287     char *s = NULL;
 288     bool succ = wxGetResource(section, entry, (char **)&s, file);
 289     if (succ)
 290     {
 291         *value = (int)strtol(s, NULL, 10);
 292         delete[] s;
 293         return TRUE;
 294     }
 295     else return FALSE;
 296 }
 297 #endif // wxUSE_RESOURCES
 298
 299 int gs_wxBusyCursorCount = 0;
 300 extern wxCursor    gMacCurrentCursor ;
 301 wxCursor        gMacStoredActiveCursor ;
 302
 303 // Set the cursor to the busy cursor for all windows
 304 void wxBeginBusyCursor(wxCursor *cursor)
 305 {
 306     if (gs_wxBusyCursorCount++ == 0)
 307     {
 308         gMacStoredActiveCursor = gMacCurrentCursor ;
 309         cursor->MacInstall() ;
 310     }
 311     //else: nothing to do, already set
 312 }
 313
 314 // Restore cursor to normal
 315 void wxEndBusyCursor()
 316 {
 317     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 318         wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 319
 320     if (--gs_wxBusyCursorCount == 0)
 321     {
 322         gMacStoredActiveCursor.MacInstall() ;
 323         gMacStoredActiveCursor = wxNullCursor ;
 324     }
 325 }
 326
 327 // TRUE if we're between the above two calls
 328 bool wxIsBusy()
 329 {
 330     return (gs_wxBusyCursorCount > 0);
 331 }
 332
 333 wxString wxMacFindFolder( short        vol,
 334               OSType       folderType,
 335               Boolean      createFolder)
 336 {
 337     short    vRefNum  ;
 338     long     dirID ;
 339     wxString strDir ;
 340
 341     if ( FindFolder( vol, folderType, createFolder, &vRefNum, &dirID) == noErr)
 342     {
 343         FSSpec file ;
 344         if ( FSMakeFSSpec( vRefNum , dirID , "\p" , &file ) == noErr )
 345         {
 346             strDir = wxMacFSSpec2MacFilename( &file ) + wxFILE_SEP_PATH ;
 347         }
 348     }
 349     return strDir ;
 350 }
 351
 352 #ifndef __DARWIN__
 353 wxChar *wxGetUserHome (const wxString& user)
 354 {
 355     // TODO
 356     return NULL;
 357 }
 358
 359 bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 360 {
 361     if ( path.empty() )
 362         return FALSE;
 363
 364     wxString p = path ;
 365     if (p[0] == ':' ) {
 366       p = wxGetCwd() + p ;
 367     }
 368
 369     int pos = p.Find(':') ;
 370     if ( pos != wxNOT_FOUND ) {
 371       p = p.Mid(1,pos) ;
 372     }
 373
 374     p = p + wxT(":") ;
 375
 376     Str255 volumeName ;
 377     XVolumeParam pb ;
 378
 379     wxMacStringToPascal( p  , volumeName ) ;
 380     OSErr err = XGetVolumeInfoNoName( volumeName , 0 , &pb ) ;
 381     if ( err == noErr ) {
 382       if ( pTotal ) {
 383         (*pTotal) = wxLongLong( pb.ioVTotalBytes ) ;
 384       }
 385       if ( pFree ) {
 386         (*pFree) = wxLongLong( pb.ioVFreeBytes ) ;
 387       }
 388     }
 389
 390     return err == noErr ;
 391 }
 392 #endif
 393
 394 // Check whether this window wants to process messages, e.g. Stop button
 395 // in long calculations.
 396 bool wxCheckForInterrupt(wxWindow *wnd)
 397 {
 398     // TODO
 399     return FALSE;
 400 }
 401
 402 void wxGetMousePosition( int* x, int* y )
 403 {
 404     Point pt ;
 405
 406     GetMouse( &pt ) ;
 407     LocalToGlobal( &pt ) ;
 408     *x = pt.h ;
 409     *y = pt.v ;
 410 };
 411
 412 // Return TRUE if we have a colour display
 413 bool wxColourDisplay()
 414 {
 415     return TRUE;
 416 }
 417
 418 // Returns depth of screen
 419 int wxDisplayDepth()
 420 {
 421     Rect globRect ;
 422     SetRect(&globRect, -32760, -32760, 32760, 32760);
 423     GDHandle    theMaxDevice;
 424
 425     int theDepth = 8;
 426     theMaxDevice = GetMaxDevice(&globRect);
 427     if (theMaxDevice != nil)
 428         theDepth = (**(**theMaxDevice).gdPMap).pixelSize;
 429
 430     return theDepth ;
 431 }
 432
 433 // Get size of display
 434 void wxDisplaySize(int *width, int *height)
 435 {
 436     BitMap screenBits;
 437     GetQDGlobalsScreenBits( &screenBits );
 438
 439     if (width != NULL) {
 440         *width = screenBits.bounds.right - screenBits.bounds.left  ;
 441     }
 442     if (height != NULL) {
 443         *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 444     }
 445 }
 446
 447 void wxDisplaySizeMM(int *width, int *height)
 448 {
 449     wxDisplaySize(width, height);
 450     // on mac 72 is fixed (at least now ;-)
 451     float cvPt2Mm = 25.4 / 72;
 452
 453     if (width != NULL) {
 454         *width = int( *width * cvPt2Mm );
 455     }
 456     if (height != NULL) {
 457         *height = int( *height * cvPt2Mm );
 458     }
 459 }
 460
 461 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 462 {
 463     BitMap screenBits;
 464     GetQDGlobalsScreenBits( &screenBits );
 465
 466     if (x) *x = 0;
 467     if (y) *y = 0;
 468
 469     if (width != NULL) {
 470         *width = screenBits.bounds.right - screenBits.bounds.left  ;
 471     }
 472     if (height != NULL) {
 473         *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 474     }
 475
 476     SInt16 mheight ;
 477 #if TARGET_CARBON
 478     GetThemeMenuBarHeight( &mheight ) ;
 479 #else
 480     mheight = LMGetMBarHeight() ;
 481 #endif
 482     if (height != NULL) {
 483         *height -= mheight ;
 484     }
 485     if (y)
 486         *y = mheight ;
 487 }
 488
 489 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 490 {
 491     return wxGenericFindWindowAtPoint(pt);
 492 }
 493
 494 wxString wxGetOsDescription()
 495 {
 496 #ifdef WXWIN_OS_DESCRIPTION
 497     // use configure generated description if available
 498     return wxString("MacOS (") + WXWIN_OS_DESCRIPTION + wxString(")");
 499 #else
 500     return wxT("MacOS") ; //TODO:define further
 501 #endif
 502 }
 503
 504 //---------------------------------------------------------------------------
 505 // wxMac Specific utility functions
 506 //---------------------------------------------------------------------------
 507
 508 char StringMac[] =  "\x0d\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"
 509                     "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"
 510                     "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xae\xaf"
 511                     "\xb1\xb4\xb5\xb6\xbb\xbc\xbe\xbf"
 512                     "\xc0\xc1\xc2\xc4\xc7\xc8\xc9\xcb\xcc\xcd\xce\xcf"
 513                     "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd8\xca\xdb" ;
 514
 515 char StringANSI[] = "\x0a\xC4\xC5\xC7\xC9\xD1\xD6\xDC\xE1\xE0\xE2\xE4\xE3\xE5\xE7\xE9\xE8"
 516                     "\xEA\xEB\xED\xEC\xEE\xEF\xF1\xF3\xF2\xF4\xF6\xF5\xFA\xF9\xFB\xFC"
 517                     "\x86\xBA\xA2\xA3\xA7\x95\xB6\xDF\xAE\xA9\x99\xB4\xA8\xC6\xD8"
 518                     "\xB1\xA5\xB5\xF0\xAA\xBA\xE6\xF8"
 519                     "\xBF\xA1\xAC\x83\xAB\xBB\x85\xC0\xC3\xD5\x8C\x9C"
 520                     "\x96\x97\x93\x94\x91\x92\xF7\xFF\xA0\x80" ;
 521
 522 void wxMacConvertFromPC( const char *from , char *to , int len )
 523 {
 524     char *c ;
 525     if ( from == to )
 526     {
 527         for( int i = 0 ; i < len ; ++ i )
 528         {
 529             c = strchr( StringANSI , *from ) ;
 530             if ( c != NULL )
 531             {
 532                 *to = StringMac[ c - StringANSI] ;
 533             }
 534             ++to ;
 535             ++from ;
 536         }
 537     }
 538     else
 539     {
 540         for( int i = 0 ; i < len ; ++ i )
 541         {
 542             c = strchr( StringANSI , *from ) ;
 543             if ( c != NULL )
 544             {
 545                 *to = StringMac[ c - StringANSI] ;
 546             }
 547             else
 548             {
 549                 *to = *from ;
 550             }
 551             ++to ;
 552             ++from ;
 553         }
 554     }
 555 }
 556
 557 void wxMacConvertToPC( const char *from , char *to , int len )
 558 {
 559     char *c ;
 560     if ( from == to )
 561     {
 562         for( int i = 0 ; i < len ; ++ i )
 563         {
 564             c = strchr( StringMac , *from ) ;
 565             if ( c != NULL )
 566             {
 567                 *to = StringANSI[ c - StringMac] ;
 568             }
 569             ++to ;
 570             ++from ;
 571         }
 572     }
 573     else
 574     {
 575         for( int i = 0 ; i < len ; ++ i )
 576         {
 577             c = strchr( StringMac , *from ) ;
 578             if ( c != NULL )
 579             {
 580                 *to = StringANSI[ c - StringMac] ;
 581             }
 582             else
 583             {
 584                 *to = *from ;
 585             }
 586             ++to ;
 587             ++from ;
 588         }
 589     }
 590 }
 591
 592 TECObjectRef s_TECNativeCToUnicode = NULL ;
 593 TECObjectRef s_TECUnicodeToNativeC = NULL ;
 594 TECObjectRef s_TECPlatformToNativeC = NULL ;
 595 TECObjectRef s_TECNativeCToPlatform = NULL ;
 596 void wxMacSetupConverters()
 597 {
 598     // if we assume errors are happening here we need low level debugging
 599     // since the high level assert will use the encoders that are not yet
 600     // setup...
 601     const int kEncoding = wxApp::s_macDefaultEncodingIsPC
 602                             ? (int)kTextEncodingWindowsLatin1
 603                             : (int)kTextEncodingMacRoman;
 604
 605     OSStatus status = noErr ;
 606     status = TECCreateConverter(&s_TECNativeCToUnicode,
 607                                 kEncoding,
 608                                 kTextEncodingUnicodeDefault);
 609
 610
 611     status = TECCreateConverter(&s_TECUnicodeToNativeC,
 612                                 kTextEncodingUnicodeDefault,
 613                                 kEncoding);
 614
 615     if ( wxApp::s_macDefaultEncodingIsPC )
 616     {
 617         status = TECCreateConverter(&s_TECPlatformToNativeC,
 618                                     kTextEncodingMacRoman,
 619                                     kTextEncodingWindowsLatin1);
 620
 621
 622         status = TECCreateConverter(&s_TECNativeCToPlatform,
 623                                     kTextEncodingWindowsLatin1,
 624                                     kTextEncodingMacRoman);
 625     }
 626 }
 627
 628 void wxMacCleanupConverters()
 629 {
 630     OSStatus status = noErr ;
 631     status = TECDisposeConverter(s_TECNativeCToUnicode);
 632
 633     status = TECDisposeConverter(s_TECUnicodeToNativeC);
 634
 635     status = TECDisposeConverter(s_TECPlatformToNativeC);
 636
 637     status = TECDisposeConverter(s_TECNativeCToPlatform);
 638 }
 639
 640 wxWCharBuffer wxMacStringToWString( const wxString &from )
 641 {
 642 #if wxUSE_UNICODE
 643     wxWCharBuffer result( from.wc_str() ) ;
 644 #else
 645     OSStatus status = noErr ;
 646     ByteCount byteOutLen ;
 647     ByteCount byteInLen = from.Length() ;
 648     ByteCount byteBufferLen = byteInLen *2 ;
 649     wxWCharBuffer result( from.Length() ) ;
 650     status = TECConvertText(s_TECNativeCToUnicode, (ConstTextPtr)from.c_str() , byteInLen, &byteInLen,
 651         (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 652     result.data()[byteOutLen/2] = 0 ;
 653 #endif
 654     return result ;
 655 }
 656
 657 wxString wxMacMakeStringFromCString( const char * from , int len )
 658 {
 659     OSStatus status = noErr ;
 660     wxString result ;
 661     wxChar* buf = result.GetWriteBuf( len ) ;
 662 #if wxUSE_UNICODE
 663     ByteCount byteOutLen ;
 664     ByteCount byteInLen = len ;
 665     ByteCount byteBufferLen = len *2 ;
 666
 667     status = TECConvertText(s_TECNativeCToUnicode, (ConstTextPtr)from , byteInLen, &byteInLen,
 668         (TextPtr)buf, byteBufferLen, &byteOutLen);
 669 #else
 670     if ( !wxApp::s_macDefaultEncodingIsPC )
 671         memcpy( buf , from , len ) ;
 672     else
 673     {
 674         ByteCount byteOutLen ;
 675         ByteCount byteInLen = len ;
 676         ByteCount byteBufferLen = byteInLen ;
 677
 678         status = TECConvertText(s_TECPlatformToNativeC, (ConstTextPtr)from , byteInLen, &byteInLen,
 679             (TextPtr)buf, byteBufferLen, &byteOutLen);
 680     }
 681 #endif
 682     buf[len] = 0 ;
 683     result.UngetWriteBuf() ;
 684     return result ;
 685 }
 686
 687 wxString wxMacMakeStringFromCString( const char * from )
 688 {
 689     return wxMacMakeStringFromCString( from , strlen(from) ) ;
 690 }
 691
 692 wxCharBuffer wxMacStringToCString( const wxString &from )
 693 {
 694 #if wxUSE_UNICODE
 695     OSStatus status = noErr ;
 696     ByteCount byteOutLen ;
 697     ByteCount byteInLen = from.Length() * 2 ;
 698     ByteCount byteBufferLen = from.Length() ;
 699     wxCharBuffer result( from.Length() ) ;
 700     status = TECConvertText(s_TECUnicodeToNativeC , (ConstTextPtr)from.wc_str() , byteInLen, &byteInLen,
 701         (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 702     return result ;
 703 #else
 704     if ( !wxApp::s_macDefaultEncodingIsPC )
 705         return wxCharBuffer( from.c_str() ) ;
 706     else
 707     {
 708         wxCharBuffer result( from.Length() ) ;
 709         OSStatus status = noErr ;
 710         ByteCount byteOutLen ;
 711         ByteCount byteInLen = from.Length() ;
 712         ByteCount byteBufferLen = byteInLen ;
 713
 714         status = TECConvertText(s_TECNativeCToPlatform, (ConstTextPtr)from.c_str() , byteInLen, &byteInLen,
 715             (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 716         return result ;
 717     }
 718 #endif
 719 }
 720
 721 void wxMacStringToPascal( const wxString&from , StringPtr to )
 722 {
 723     wxCharBuffer buf = wxMacStringToCString( from ) ;
 724     int len = strlen(buf) ;
 725
 726     if ( len > 255 )
 727         len = 255 ;
 728     to[0] = len ;
 729     memcpy( (char*) &to[1] , buf , len ) ;
 730 }
 731
 732 wxString wxMacMakeStringFromPascal( ConstStringPtr from )
 733 {
 734     return wxMacMakeStringFromCString( (char*) &from[1] , from[0] ) ;
 735 }
 736
 737 //
 738 // CFStringRefs (Carbon only)
 739 //
 740
 741 #if TARGET_CARBON
 742 // converts this string into a carbon foundation string with optional pc 2 mac encoding
 743 void wxMacCFStringHolder::Assign( const wxString &str )
 744 {
 745 #if wxUSE_UNICODE
 746         m_cfs = CFStringCreateWithCharacters( kCFAllocatorDefault,
 747                 (const unsigned short*)str.wc_str(), str.Len() );
 748 #else
 749     m_cfs = CFStringCreateWithCString( kCFAllocatorSystemDefault , str.c_str() ,
 750         wxApp::s_macDefaultEncodingIsPC ?
 751         kCFStringEncodingWindowsLatin1 : CFStringGetSystemEncoding() ) ;
 752 #endif
 753     m_release = true ;
 754 }
 755
 756 wxString wxMacCFStringHolder::AsString()
 757 {
 758     wxString result ;
 759     Size len = CFStringGetLength( m_cfs )  ;
 760     wxChar* buf = result.GetWriteBuf( len ) ;
 761 #if wxUSE_UNICODE
 762     CFStringGetCharacters( m_cfs , CFRangeMake( 0 , len ) , (UniChar*) buf ) ;
 763 #else
 764     CFStringGetCString( m_cfs , buf , len+1 , wxApp::s_macDefaultEncodingIsPC ?
 765         kCFStringEncodingWindowsLatin1 : CFStringGetSystemEncoding() ) ;
 766 #endif
 767     buf[len] = 0 ;
 768     result.UngetWriteBuf() ;
 769     return result ;
 770 }
 771
 772 #if 0
 773
 774 wxString wxMacMakeMacStringFromPC( const wxChar * p )
 775 {
 776     wxString result ;
 777     int len = wxStrlen ( p ) ;
 778     if ( len > 0 )
 779     {
 780         wxChar* ptr = result.GetWriteBuf(len) ;
 781         wxMacConvertFromPC( p , ptr , len ) ;
 782         ptr[len] = 0 ;
 783         result.UngetWriteBuf( len ) ;
 784     }
 785     return result ;
 786 }
 787
 788 wxString wxMacMakePCStringFromMac( const wxChar * p )
 789 {
 790     wxString result ;
 791     int len = wxStrlen ( p ) ;
 792     if ( len > 0 )
 793     {
 794         wxChar* ptr = result.GetWriteBuf(len) ;
 795         wxMacConvertToPC( p , ptr , len ) ;
 796         ptr[len] = 0 ;
 797         result.UngetWriteBuf( len ) ;
 798     }
 799     return result ;
 800 }
 801
 802 wxString wxMacMakeStringFromMacString( const wxChar* from , bool mac2pcEncoding )
 803 {
 804     if (mac2pcEncoding)
 805     {
 806       return wxMacMakePCStringFromMac( from ) ;
 807     }
 808     else
 809     {
 810       return wxString( from ) ;
 811     }
 812 }
 813
 814 //
 815 // Pascal Strings
 816 //
 817
 818 wxString wxMacMakeStringFromPascal( ConstStringPtr from , bool mac2pcEncoding )
 819 {
 820       // this is safe since a pascal string can never be larger than 256 bytes
 821       char s[256] ;
 822       CopyPascalStringToC( from , s ) ;
 823     if (mac2pcEncoding)
 824     {
 825       return wxMacMakePCStringFromMac( s ) ;
 826     }
 827     else
 828     {
 829       return wxString( s ) ;
 830     }
 831 }
 832
 833 void wxMacStringToPascal( const wxChar * from , StringPtr to , bool pc2macEncoding )
 834 {
 835     if (pc2macEncoding)
 836     {
 837       CopyCStringToPascal( wxMacMakeMacStringFromPC( from ) , to ) ;
 838     }
 839     else
 840     {
 841       CopyCStringToPascal( from , to ) ;
 842     }
 843 }
 844 #endif
 845
 846
 847 #endif //TARGET_CARBON
 848
 849 // ----------------------------------------------------------------------------
 850 // debugging support
 851 // ----------------------------------------------------------------------------
 852
 853 #if defined(__WXMAC__) && !defined(__DARWIN__) && defined(__MWERKS__) && (__MWERKS__ >= 0x2400)
 854
 855 // MetroNub stuff doesn't seem to work in CodeWarrior 5.3 Carbon builds...
 856
 857 #ifndef __MetroNubUtils__
 858 #include "MetroNubUtils.h"
 859 #endif
 860
 861 #ifndef __GESTALT__
 862 #include <Gestalt.h>
 863 #endif
 864
 865 #if TARGET_API_MAC_CARBON
 866
 867     #include <CodeFragments.h>
 868
 869     extern "C" long CallUniversalProc(UniversalProcPtr theProcPtr, ProcInfoType procInfo, ...);
 870
 871     ProcPtr gCallUniversalProc_Proc = NULL;
 872
 873 #endif
 874
 875 static MetroNubUserEntryBlock*    gMetroNubEntry = NULL;
 876
 877 static long fRunOnce = false;
 878
 879 /* ---------------------------------------------------------------------------
 880         IsMetroNubInstalled
 881    --------------------------------------------------------------------------- */
 882
 883 Boolean IsMetroNubInstalled()
 884 {
 885     if (!fRunOnce)
 886     {
 887         long result, value;
 888
 889         fRunOnce = true;
 890         gMetroNubEntry = NULL;
 891
 892         if (Gestalt(gestaltSystemVersion, &value) == noErr && value < 0x1000)
 893         {
 894             /* look for MetroNub's Gestalt selector */
 895             if (Gestalt(kMetroNubUserSignature, &result) == noErr)
 896             {
 897
 898             #if TARGET_API_MAC_CARBON
 899                 if (gCallUniversalProc_Proc == NULL)
 900                 {
 901                     CFragConnectionID   connectionID;
 902                     Ptr                 mainAddress;
 903                     Str255              errorString;
 904                     ProcPtr             symbolAddress;
 905                     OSErr               err;
 906                     CFragSymbolClass    symbolClass;
 907
 908                     symbolAddress = NULL;
 909                     err = GetSharedLibrary("\pInterfaceLib", kPowerPCCFragArch, kFindCFrag,
 910                                            &connectionID, &mainAddress, errorString);
 911
 912                     if (err != noErr)
 913                     {
 914                         gCallUniversalProc_Proc = NULL;
 915                         goto end;
 916                     }
 917
 918                     err = FindSymbol(connectionID, "\pCallUniversalProc",
 919                                     (Ptr *) &gCallUniversalProc_Proc, &symbolClass);
 920
 921                     if (err != noErr)
 922                     {
 923                         gCallUniversalProc_Proc = NULL;
 924                         goto end;
 925                     }
 926                 }
 927             #endif
 928
 929                 {
 930                     MetroNubUserEntryBlock* block = (MetroNubUserEntryBlock *)result;
 931
 932                     /* make sure the version of the API is compatible */
 933                     if (block->apiLowVersion <= kMetroNubUserAPIVersion &&
 934                         kMetroNubUserAPIVersion <= block->apiHiVersion)
 935                         gMetroNubEntry = block;        /* success! */
 936                 }
 937
 938             }
 939         }
 940     }
 941
 942 end:
 943
 944 #if TARGET_API_MAC_CARBON
 945     return (gMetroNubEntry != NULL && gCallUniversalProc_Proc != NULL);
 946 #else
 947     return (gMetroNubEntry != NULL);
 948 #endif
 949 }
 950
 951 /* ---------------------------------------------------------------------------
 952         IsMWDebuggerRunning                                            [v1 API]
 953    --------------------------------------------------------------------------- */
 954
 955 Boolean IsMWDebuggerRunning()
 956 {
 957     if (IsMetroNubInstalled())
 958         return CallIsDebuggerRunningProc(gMetroNubEntry->isDebuggerRunning);
 959     else
 960         return false;
 961 }
 962
 963 /* ---------------------------------------------------------------------------
 964         AmIBeingMWDebugged                                            [v1 API]
 965    --------------------------------------------------------------------------- */
 966
 967 Boolean AmIBeingMWDebugged()
 968 {
 969     if (IsMetroNubInstalled())
 970         return CallAmIBeingDebuggedProc(gMetroNubEntry->amIBeingDebugged);
 971     else
 972         return false;
 973 }
 974
 975 extern bool WXDLLEXPORT wxIsDebuggerRunning()
 976 {
 977     return IsMWDebuggerRunning() && AmIBeingMWDebugged();
 978 }
 979
 980 #else
 981
 982 extern bool WXDLLEXPORT wxIsDebuggerRunning()
 983 {
 984     return false;
 985 }
 986
 987 #endif // defined(__WXMAC__) && !defined(__DARWIN__) && (__MWERKS__ >= 0x2400)
 988