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