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
  22 #if wxUSE_GUI
  23     #include "wx/mac/uma.h"
  24 #endif
  25
  26 #include <ctype.h>
  27
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <stdarg.h>
  32
  33 #ifdef __DARWIN__
  34 #  include "MoreFilesX.h"
  35 #else
  36 #  include "MoreFiles.h"
  37 #  include "MoreFilesExtras.h"
  38 #endif
  39
  40 #ifndef __DARWIN__
  41 #include <Threads.h>
  42 #include <Sound.h>
  43 #endif
  44
  45 #include "ATSUnicode.h"
  46 #include "TextCommon.h"
  47 #include "TextEncodingConverter.h"
  48
  49 #include  "wx/mac/private.h"  // includes mac headers
  50
  51 #if defined(__MWERKS__) && wxUSE_UNICODE
  52     #include <wtime.h>
  53 #endif
  54
  55 // ---------------------------------------------------------------------------
  56 // code used in both base and GUI compilation
  57 // ---------------------------------------------------------------------------
  58
  59 // our OS version is the same in non GUI and GUI cases
  60 static int DoGetOSVersion(int *majorVsn, int *minorVsn)
  61 {
  62     long theSystem ;
  63
  64     // are there x-platform conventions ?
  65
  66     Gestalt(gestaltSystemVersion, &theSystem) ;
  67     if (minorVsn != NULL) {
  68         *minorVsn = (theSystem & 0xFF ) ;
  69     }
  70     if (majorVsn != NULL) {
  71         *majorVsn = (theSystem >> 8 ) ;
  72     }
  73 #ifdef __DARWIN__
  74     return wxMAC_DARWIN;
  75 #else
  76     return wxMAC;
  77 #endif
  78 }
  79
  80 #if wxUSE_BASE
  81
  82 #ifndef __DARWIN__
  83 // defined in unix/utilsunx.cpp for Mac OS X
  84
  85 // get full hostname (with domain name if possible)
  86 bool wxGetFullHostName(wxChar *buf, int maxSize)
  87 {
  88     return wxGetHostName(buf, maxSize);
  89 }
  90
  91 // Get hostname only (without domain name)
  92 bool wxGetHostName(wxChar *buf, int maxSize)
  93 {
  94     // Gets Chooser name of user by examining a System resource.
  95
  96     const short kComputerNameID = -16413;
  97
  98     short oldResFile = CurResFile() ;
  99     UseResFile(0);
 100     StringHandle chooserName = (StringHandle)::GetString(kComputerNameID);
 101     UseResFile(oldResFile);
 102
 103     if (chooserName && *chooserName)
 104     {
 105         HLock( (Handle) chooserName ) ;
 106         wxString name = wxMacMakeStringFromPascal( *chooserName ) ;
 107         HUnlock( (Handle) chooserName ) ;
 108         ReleaseResource( (Handle) chooserName ) ;
 109         wxStrncpy( buf , name , maxSize - 1 ) ;
 110     }
 111     else
 112         buf[0] = 0 ;
 113
 114   return TRUE;
 115 }
 116
 117 // Get user ID e.g. jacs
 118 bool wxGetUserId(wxChar *buf, int maxSize)
 119 {
 120   return wxGetUserName( buf , maxSize ) ;
 121 }
 122
 123 const wxChar* wxGetHomeDir(wxString *pstr)
 124 {
 125     *pstr = wxMacFindFolder(  (short) kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder ) ;
 126     return pstr->c_str() ;
 127 }
 128
 129 // Get user name e.g. Stefan Csomor
 130 bool wxGetUserName(wxChar *buf, int maxSize)
 131 {
 132     // Gets Chooser name of user by examining a System resource.
 133
 134     const short kChooserNameID = -16096;
 135
 136     short oldResFile = CurResFile() ;
 137     UseResFile(0);
 138     StringHandle chooserName = (StringHandle)::GetString(kChooserNameID);
 139     UseResFile(oldResFile);
 140
 141     if (chooserName && *chooserName)
 142     {
 143         HLock( (Handle) chooserName ) ;
 144         wxString name = wxMacMakeStringFromPascal( *chooserName ) ;
 145         HUnlock( (Handle) chooserName ) ;
 146         ReleaseResource( (Handle) chooserName ) ;
 147         wxStrncpy( buf , name , maxSize - 1 ) ;
 148     }
 149     else
 150         buf[0] = 0 ;
 151
 152   return TRUE;
 153 }
 154
 155 int wxKill(long pid, wxSignal sig , wxKillError *rc )
 156 {
 157     // TODO
 158     return 0;
 159 }
 160
 161 WXDLLEXPORT bool wxGetEnv(const wxString& var, wxString *value)
 162 {
 163     // TODO : under classic there is no environement support, under X yes
 164     return false ;
 165 }
 166
 167 // set the env var name to the given value, return TRUE on success
 168 WXDLLEXPORT bool wxSetEnv(const wxString& var, const wxChar *value)
 169 {
 170     // TODO : under classic there is no environement support, under X yes
 171     return false ;
 172 }
 173
 174 //
 175 // Execute a program in an Interactive Shell
 176 //
 177 bool wxShell(const wxString& command)
 178 {
 179     // TODO
 180     return FALSE;
 181 }
 182
 183 // Shutdown or reboot the PC
 184 bool wxShutdown(wxShutdownFlags wFlags)
 185 {
 186     // TODO
 187     return FALSE;
 188 }
 189
 190 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 191 long wxGetFreeMemory()
 192 {
 193     return FreeMem() ;
 194 }
 195
 196 void wxUsleep(unsigned long milliseconds)
 197 {
 198     clock_t start = clock() ;
 199     do
 200     {
 201         YieldToAnyThread() ;
 202     } while( clock() - start < milliseconds /  1000.0 * CLOCKS_PER_SEC ) ;
 203 }
 204
 205 void wxSleep(int nSecs)
 206 {
 207     wxUsleep(1000*nSecs);
 208 }
 209
 210 // Consume all events until no more left
 211 void wxFlushEvents()
 212 {
 213 }
 214
 215 #endif // !__DARWIN__
 216
 217 // Emit a beeeeeep
 218 void wxBell()
 219 {
 220     SysBeep(30);
 221 }
 222
 223 wxToolkitInfo& wxConsoleAppTraits::GetToolkitInfo()
 224 {
 225     static wxToolkitInfo info;
 226     info.os = DoGetOSVersion(&info.versionMajor, &info.versionMinor);
 227     info.name = _T("wxBase");
 228     return info;
 229 }
 230
 231 #endif // wxUSE_BASE
 232
 233 #if wxUSE_GUI
 234
 235 wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo()
 236 {
 237     static wxToolkitInfo info;
 238     info.os = DoGetOSVersion(&info.versionMajor, &info.versionMinor);
 239     info.shortName = _T("mac");
 240     info.name = _T("wxMac");
 241 #ifdef __WXUNIVERSAL__
 242     info.shortName << _T("univ");
 243     info.name << _T("/wxUniversal");
 244 #endif
 245     return info;
 246 }
 247
 248 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 249 #if wxUSE_RESOURCES
 250 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 251 {
 252     // TODO
 253     return FALSE;
 254 }
 255
 256 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 257 {
 258     wxString buf;
 259     buf.Printf(wxT("%.4f"), value);
 260
 261     return wxWriteResource(section, entry, buf, file);
 262 }
 263
 264 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 265 {
 266     wxString buf;
 267     buf.Printf(wxT("%ld"), value);
 268
 269     return wxWriteResource(section, entry, buf, file);
 270 }
 271
 272 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
 273 {
 274     wxString buf;
 275     buf.Printf(wxT("%d"), value);
 276
 277     return wxWriteResource(section, entry, buf, file);
 278 }
 279
 280 bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
 281 {
 282     // TODO
 283     return FALSE;
 284 }
 285
 286 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
 287 {
 288     char *s = NULL;
 289     bool succ = wxGetResource(section, entry, (char **)&s, file);
 290     if (succ)
 291     {
 292         *value = (float)strtod(s, NULL);
 293         delete[] s;
 294         return TRUE;
 295     }
 296     else return FALSE;
 297 }
 298
 299 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
 300 {
 301     char *s = NULL;
 302     bool succ = wxGetResource(section, entry, (char **)&s, file);
 303     if (succ)
 304     {
 305         *value = strtol(s, NULL, 10);
 306         delete[] s;
 307         return TRUE;
 308     }
 309     else return FALSE;
 310 }
 311
 312 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
 313 {
 314     char *s = NULL;
 315     bool succ = wxGetResource(section, entry, (char **)&s, file);
 316     if (succ)
 317     {
 318         *value = (int)strtol(s, NULL, 10);
 319         delete[] s;
 320         return TRUE;
 321     }
 322     else return FALSE;
 323 }
 324 #endif // wxUSE_RESOURCES
 325
 326 int gs_wxBusyCursorCount = 0;
 327 extern wxCursor    gMacCurrentCursor ;
 328 wxCursor        gMacStoredActiveCursor ;
 329
 330 // Set the cursor to the busy cursor for all windows
 331 void wxBeginBusyCursor(wxCursor *cursor)
 332 {
 333     if (gs_wxBusyCursorCount++ == 0)
 334     {
 335         gMacStoredActiveCursor = gMacCurrentCursor ;
 336         cursor->MacInstall() ;
 337     }
 338     //else: nothing to do, already set
 339 }
 340
 341 // Restore cursor to normal
 342 void wxEndBusyCursor()
 343 {
 344     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 345         wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 346
 347     if (--gs_wxBusyCursorCount == 0)
 348     {
 349         gMacStoredActiveCursor.MacInstall() ;
 350         gMacStoredActiveCursor = wxNullCursor ;
 351     }
 352 }
 353
 354 // TRUE if we're between the above two calls
 355 bool wxIsBusy()
 356 {
 357     return (gs_wxBusyCursorCount > 0);
 358 }
 359
 360 #endif // wxUSE_GUI
 361
 362 #if wxUSE_BASE
 363
 364 wxString wxMacFindFolder( short        vol,
 365               OSType       folderType,
 366               Boolean      createFolder)
 367 {
 368     short    vRefNum  ;
 369     long     dirID ;
 370     wxString strDir ;
 371
 372     if ( FindFolder( vol, folderType, createFolder, &vRefNum, &dirID) == noErr)
 373     {
 374         FSSpec file ;
 375         if ( FSMakeFSSpec( vRefNum , dirID , "\p" , &file ) == noErr )
 376         {
 377             strDir = wxMacFSSpec2MacFilename( &file ) + wxFILE_SEP_PATH ;
 378         }
 379     }
 380     return strDir ;
 381 }
 382
 383 #endif // wxUSE_BASE
 384
 385 #if wxUSE_GUI
 386
 387 // Check whether this window wants to process messages, e.g. Stop button
 388 // in long calculations.
 389 bool wxCheckForInterrupt(wxWindow *wnd)
 390 {
 391     // TODO
 392     return FALSE;
 393 }
 394
 395 void wxGetMousePosition( int* x, int* y )
 396 {
 397     Point pt ;
 398
 399     GetMouse( &pt ) ;
 400     LocalToGlobal( &pt ) ;
 401     *x = pt.h ;
 402     *y = pt.v ;
 403 };
 404
 405 // Return TRUE if we have a colour display
 406 bool wxColourDisplay()
 407 {
 408     return TRUE;
 409 }
 410
 411 // Returns depth of screen
 412 int wxDisplayDepth()
 413 {
 414     Rect globRect ;
 415     SetRect(&globRect, -32760, -32760, 32760, 32760);
 416     GDHandle    theMaxDevice;
 417
 418     int theDepth = 8;
 419     theMaxDevice = GetMaxDevice(&globRect);
 420     if (theMaxDevice != nil)
 421         theDepth = (**(**theMaxDevice).gdPMap).pixelSize;
 422
 423     return theDepth ;
 424 }
 425
 426 // Get size of display
 427 void wxDisplaySize(int *width, int *height)
 428 {
 429     BitMap screenBits;
 430     GetQDGlobalsScreenBits( &screenBits );
 431
 432     if (width != NULL) {
 433         *width = screenBits.bounds.right - screenBits.bounds.left  ;
 434     }
 435     if (height != NULL) {
 436         *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 437     }
 438 }
 439
 440 void wxDisplaySizeMM(int *width, int *height)
 441 {
 442     wxDisplaySize(width, height);
 443     // on mac 72 is fixed (at least now ;-)
 444     float cvPt2Mm = 25.4 / 72;
 445
 446     if (width != NULL) {
 447         *width = int( *width * cvPt2Mm );
 448     }
 449     if (height != NULL) {
 450         *height = int( *height * cvPt2Mm );
 451     }
 452 }
 453
 454 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 455 {
 456     BitMap screenBits;
 457     GetQDGlobalsScreenBits( &screenBits );
 458
 459     if (x) *x = 0;
 460     if (y) *y = 0;
 461
 462     if (width != NULL) {
 463         *width = screenBits.bounds.right - screenBits.bounds.left  ;
 464     }
 465     if (height != NULL) {
 466         *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 467     }
 468
 469     SInt16 mheight ;
 470 #if TARGET_CARBON
 471     GetThemeMenuBarHeight( &mheight ) ;
 472 #else
 473     mheight = LMGetMBarHeight() ;
 474 #endif
 475     if (height != NULL) {
 476         *height -= mheight ;
 477     }
 478     if (y)
 479         *y = mheight ;
 480 }
 481
 482 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 483 {
 484     return wxGenericFindWindowAtPoint(pt);
 485 }
 486
 487 #endif // wxUSE_GUI
 488
 489 #if wxUSE_BASE
 490
 491 wxString wxGetOsDescription()
 492 {
 493 #ifdef WXWIN_OS_DESCRIPTION
 494     // use configure generated description if available
 495     return wxString(wxT("MacOS (")) + wxT(WXWIN_OS_DESCRIPTION) + wxString(wxT(")"));
 496 #else
 497     return wxT("MacOS") ; //TODO:define further
 498 #endif
 499 }
 500
 501 #ifndef __DARWIN__
 502 wxChar *wxGetUserHome (const wxString& user)
 503 {
 504     // TODO
 505     return NULL;
 506 }
 507
 508 bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 509 {
 510     if ( path.empty() )
 511         return FALSE;
 512
 513     wxString p = path ;
 514     if (p[0] == ':' ) {
 515       p = wxGetCwd() + p ;
 516     }
 517
 518     int pos = p.Find(':') ;
 519     if ( pos != wxNOT_FOUND ) {
 520       p = p.Mid(1,pos) ;
 521     }
 522
 523     p = p + wxT(":") ;
 524
 525     Str255 volumeName ;
 526     XVolumeParam pb ;
 527
 528     wxMacStringToPascal( p  , volumeName ) ;
 529     OSErr err = XGetVolumeInfoNoName( volumeName , 0 , &pb ) ;
 530     if ( err == noErr ) {
 531       if ( pTotal ) {
 532         (*pTotal) = wxLongLong( pb.ioVTotalBytes ) ;
 533       }
 534       if ( pFree ) {
 535         (*pFree) = wxLongLong( pb.ioVFreeBytes ) ;
 536       }
 537     }
 538
 539     return err == noErr ;
 540 }
 541 #endif // !__DARWIN__
 542
 543 //---------------------------------------------------------------------------
 544 // wxMac Specific utility functions
 545 //---------------------------------------------------------------------------
 546
 547 #if 0
 548
 549 char StringMac[] =  "\x0d\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"
 550                     "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"
 551                     "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xae\xaf"
 552                     "\xb1\xb4\xb5\xb6\xbb\xbc\xbe\xbf"
 553                     "\xc0\xc1\xc2\xc4\xc7\xc8\xc9\xcb\xcc\xcd\xce\xcf"
 554                     "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd8\xca\xdb" ;
 555
 556 char StringANSI[] = "\x0a\xC4\xC5\xC7\xC9\xD1\xD6\xDC\xE1\xE0\xE2\xE4\xE3\xE5\xE7\xE9\xE8"
 557                     "\xEA\xEB\xED\xEC\xEE\xEF\xF1\xF3\xF2\xF4\xF6\xF5\xFA\xF9\xFB\xFC"
 558                     "\x86\xBA\xA2\xA3\xA7\x95\xB6\xDF\xAE\xA9\x99\xB4\xA8\xC6\xD8"
 559                     "\xB1\xA5\xB5\xF0\xAA\xBA\xE6\xF8"
 560                     "\xBF\xA1\xAC\x83\xAB\xBB\x85\xC0\xC3\xD5\x8C\x9C"
 561                     "\x96\x97\x93\x94\x91\x92\xF7\xFF\xA0\x80" ;
 562
 563 void wxMacConvertFromPC( const char *from , char *to , int len )
 564 {
 565     char *c ;
 566     if ( from == to )
 567     {
 568         for( int i = 0 ; i < len ; ++ i )
 569         {
 570             c = strchr( StringANSI , *from ) ;
 571             if ( c != NULL )
 572             {
 573                 *to = StringMac[ c - StringANSI] ;
 574             }
 575             ++to ;
 576             ++from ;
 577         }
 578     }
 579     else
 580     {
 581         for( int i = 0 ; i < len ; ++ i )
 582         {
 583             c = strchr( StringANSI , *from ) ;
 584             if ( c != NULL )
 585             {
 586                 *to = StringMac[ c - StringANSI] ;
 587             }
 588             else
 589             {
 590                 *to = *from ;
 591             }
 592             ++to ;
 593             ++from ;
 594         }
 595     }
 596 }
 597
 598 void wxMacConvertToPC( const char *from , char *to , int len )
 599 {
 600     char *c ;
 601     if ( from == to )
 602     {
 603         for( int i = 0 ; i < len ; ++ i )
 604         {
 605             c = strchr( StringMac , *from ) ;
 606             if ( c != NULL )
 607             {
 608                 *to = StringANSI[ c - StringMac] ;
 609             }
 610             ++to ;
 611             ++from ;
 612         }
 613     }
 614     else
 615     {
 616         for( int i = 0 ; i < len ; ++ i )
 617         {
 618             c = strchr( StringMac , *from ) ;
 619             if ( c != NULL )
 620             {
 621                 *to = StringANSI[ c - StringMac] ;
 622             }
 623             else
 624             {
 625                 *to = *from ;
 626             }
 627             ++to ;
 628             ++from ;
 629         }
 630     }
 631 }
 632
 633 TECObjectRef s_TECNativeCToUnicode = NULL ;
 634 TECObjectRef s_TECUnicodeToNativeC = NULL ;
 635
 636 void wxMacSetupConverters()
 637 {
 638     // if we assume errors are happening here we need low level debugging
 639     // since the high level assert will use the encoders that are not yet
 640     // setup...
 641 #if TARGET_CARBON
 642     const TextEncodingBase kEncoding = CFStringGetSystemEncoding();
 643 #else
 644     const TextEncodingBase kEncoding = kTextEncodingMacRoman;
 645 #endif
 646     OSStatus status = noErr ;
 647     status = TECCreateConverter(&s_TECNativeCToUnicode,
 648                                 kEncoding,
 649                                 kTextEncodingUnicodeDefault);
 650
 651
 652     status = TECCreateConverter(&s_TECUnicodeToNativeC,
 653                                 kTextEncodingUnicodeDefault,
 654                                 kEncoding);
 655 }
 656
 657 void wxMacCleanupConverters()
 658 {
 659     OSStatus status = noErr ;
 660     status = TECDisposeConverter(s_TECNativeCToUnicode);
 661
 662     status = TECDisposeConverter(s_TECUnicodeToNativeC);
 663 }
 664
 665 wxWCharBuffer wxMacStringToWString( const wxString &from )
 666 {
 667 #if wxUSE_UNICODE
 668     wxWCharBuffer result( from.wc_str() ) ;
 669 #else
 670     OSStatus status = noErr ;
 671     ByteCount byteOutLen ;
 672     ByteCount byteInLen = from.Length() ;
 673     ByteCount byteBufferLen = byteInLen *2 ;
 674     wxWCharBuffer result( from.Length() ) ;
 675     status = TECConvertText(s_TECNativeCToUnicode, (ConstTextPtr)from.c_str() , byteInLen, &byteInLen,
 676         (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 677     result.data()[byteOutLen/2] = 0 ;
 678 #endif
 679     return result ;
 680 }
 681
 682
 683 wxString wxMacMakeStringFromCString( const char * from , int len )
 684 {
 685     OSStatus status = noErr ;
 686     wxString result ;
 687     wxChar* buf = result.GetWriteBuf( len ) ;
 688 #if wxUSE_UNICODE
 689     ByteCount byteOutLen ;
 690     ByteCount byteInLen = len ;
 691     ByteCount byteBufferLen = len *2 ;
 692
 693     status = TECConvertText(s_TECNativeCToUnicode, (ConstTextPtr)from , byteInLen, &byteInLen,
 694         (TextPtr)buf, byteBufferLen, &byteOutLen);
 695 #else
 696     memcpy( buf , from , len ) ;
 697 #endif
 698     buf[len] = 0 ;
 699     result.UngetWriteBuf() ;
 700     return result ;
 701 }
 702
 703 wxString wxMacMakeStringFromCString( const char * from )
 704 {
 705     return wxMacMakeStringFromCString( from , strlen(from) ) ;
 706 }
 707
 708 wxCharBuffer wxMacStringToCString( const wxString &from )
 709 {
 710 #if wxUSE_UNICODE
 711     OSStatus status = noErr ;
 712     ByteCount byteOutLen ;
 713     ByteCount byteInLen = from.Length() * 2 ;
 714     ByteCount byteBufferLen = from.Length() ;
 715     wxCharBuffer result( from.Length() ) ;
 716     status = TECConvertText(s_TECUnicodeToNativeC , (ConstTextPtr)from.wc_str() , byteInLen, &byteInLen,
 717         (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 718     return result ;
 719 #else
 720     return wxCharBuffer( from.c_str() ) ;
 721 #endif
 722 }
 723 #endif
 724
 725 void wxMacStringToPascal( const wxString&from , StringPtr to )
 726 {
 727     wxCharBuffer buf = from.mb_str( wxConvLocal ) ;
 728     int len = strlen(buf) ;
 729
 730     if ( len > 255 )
 731         len = 255 ;
 732     to[0] = len ;
 733     memcpy( (char*) &to[1] , buf , len ) ;
 734 }
 735
 736 wxString wxMacMakeStringFromPascal( ConstStringPtr from )
 737 {
 738     return wxString( (char*) &from[1] , wxConvLocal , from[0] ) ;
 739 }
 740
 741 #endif // wxUSE_BASE
 742
 743 #if wxUSE_GUI
 744
 745
 746 //
 747 // CFStringRefs (Carbon only)
 748 //
 749
 750 #if TARGET_CARBON
 751 // converts this string into a carbon foundation string with optional pc 2 mac encoding
 752 void wxMacCFStringHolder::Assign( const wxString &st )
 753 {
 754     wxString str = st ;
 755     wxMacConvertNewlines13To10( &str ) ;
 756 #if wxUSE_UNICODE
 757         m_cfs = CFStringCreateWithCharacters( kCFAllocatorDefault,
 758                 (const unsigned short*)str.wc_str(), str.Len() );
 759 #else
 760     m_cfs = CFStringCreateWithCString( kCFAllocatorSystemDefault , str.c_str() ,
 761         CFStringGetSystemEncoding() ) ;
 762 #endif
 763     m_release = true ;
 764 }
 765
 766 wxString wxMacCFStringHolder::AsString()
 767 {
 768     wxString result ;
 769     Size len = CFStringGetLength( m_cfs )  ;
 770     wxChar* buf = result.GetWriteBuf( len ) ;
 771 #if wxUSE_UNICODE
 772     CFStringGetCharacters( m_cfs , CFRangeMake( 0 , len ) , (UniChar*) buf ) ;
 773 #else
 774     CFStringGetCString( m_cfs , buf , len+1 , CFStringGetSystemEncoding() ) ;
 775 #endif
 776     buf[len] = 0 ;
 777     wxMacConvertNewlines10To13( buf ) ;
 778     result.UngetWriteBuf() ;
 779     return result ;
 780 }
 781
 782 #endif //TARGET_CARBON
 783
 784 void wxMacConvertNewlines13To10( char * data )
 785 {
 786         char * buf = data ;
 787     while( (buf=strchr(buf,0x0d)) != NULL )
 788     {
 789         *buf = 0x0a ;
 790         buf++ ;
 791     }
 792 }
 793
 794 void wxMacConvertNewlines10To13( char * data )
 795 {
 796         char * buf = data ;
 797     while( (buf=strchr(buf,0x0a)) != NULL )
 798     {
 799         *buf = 0x0d ;
 800         buf++ ;
 801     }
 802 }
 803
 804 void wxMacConvertNewlines13To10( wxString * data )
 805 {
 806     size_t len = data->Length() ;
 807
 808     if ( len == 0 || wxStrchr(data->c_str(),0x0d)==NULL)
 809         return ;
 810
 811     wxString temp(*data) ;
 812     wxStringBuffer buf(*data,len ) ;
 813     memcpy( buf , temp.c_str() , (len+1)*sizeof(wxChar) ) ;
 814
 815         wxMacConvertNewlines13To10( buf ) ;
 816 }
 817
 818 void wxMacConvertNewlines10To13( wxString * data )
 819 {
 820     size_t len = data->Length() ;
 821
 822     if ( data->Length() == 0 || wxStrchr(data->c_str(),0x0a)==NULL)
 823         return ;
 824
 825     wxString temp(*data) ;
 826     wxStringBuffer buf(*data,len ) ;
 827     memcpy( buf , temp.c_str() , (len+1)*sizeof(wxChar) ) ;
 828         wxMacConvertNewlines10To13( buf ) ;
 829 }
 830
 831
 832 #if wxUSE_UNICODE
 833 void wxMacConvertNewlines13To10( wxChar * data )
 834 {
 835         wxChar * buf = data ;
 836     while( (buf=wxStrchr(buf,0x0d)) != NULL )
 837     {
 838         *buf = 0x0a ;
 839         buf++ ;
 840     }
 841 }
 842
 843 void wxMacConvertNewlines10To13( wxChar * data )
 844 {
 845         wxChar * buf =  data ;
 846     while( (buf=wxStrchr(buf,0x0a)) != NULL )
 847     {
 848         *buf = 0x0d ;
 849         buf++ ;
 850     }
 851 }
 852 #endif
 853
 854 // ----------------------------------------------------------------------------
 855 // debugging support
 856 // ----------------------------------------------------------------------------
 857
 858 #if defined(__WXMAC__) && !defined(__DARWIN__) && defined(__MWERKS__) && (__MWERKS__ >= 0x2400)
 859
 860 // MetroNub stuff doesn't seem to work in CodeWarrior 5.3 Carbon builds...
 861
 862 #ifndef __MetroNubUtils__
 863 #include "MetroNubUtils.h"
 864 #endif
 865
 866 #ifndef __GESTALT__
 867 #include <Gestalt.h>
 868 #endif
 869
 870 #if TARGET_API_MAC_CARBON
 871
 872     #include <CodeFragments.h>
 873
 874     extern "C" long CallUniversalProc(UniversalProcPtr theProcPtr, ProcInfoType procInfo, ...);
 875
 876     ProcPtr gCallUniversalProc_Proc = NULL;
 877
 878 #endif
 879
 880 static MetroNubUserEntryBlock*    gMetroNubEntry = NULL;
 881
 882 static long fRunOnce = false;
 883
 884 /* ---------------------------------------------------------------------------
 885         IsMetroNubInstalled
 886    --------------------------------------------------------------------------- */
 887
 888 Boolean IsMetroNubInstalled()
 889 {
 890     if (!fRunOnce)
 891     {
 892         long result, value;
 893
 894         fRunOnce = true;
 895         gMetroNubEntry = NULL;
 896
 897         if (Gestalt(gestaltSystemVersion, &value) == noErr && value < 0x1000)
 898         {
 899             /* look for MetroNub's Gestalt selector */
 900             if (Gestalt(kMetroNubUserSignature, &result) == noErr)
 901             {
 902
 903             #if TARGET_API_MAC_CARBON
 904                 if (gCallUniversalProc_Proc == NULL)
 905                 {
 906                     CFragConnectionID   connectionID;
 907                     Ptr                 mainAddress;
 908                     Str255              errorString;
 909                     ProcPtr             symbolAddress;
 910                     OSErr               err;
 911                     CFragSymbolClass    symbolClass;
 912
 913                     symbolAddress = NULL;
 914                     err = GetSharedLibrary("\pInterfaceLib", kPowerPCCFragArch, kFindCFrag,
 915                                            &connectionID, &mainAddress, errorString);
 916
 917                     if (err != noErr)
 918                     {
 919                         gCallUniversalProc_Proc = NULL;
 920                         goto end;
 921                     }
 922
 923                     err = FindSymbol(connectionID, "\pCallUniversalProc",
 924                                     (Ptr *) &gCallUniversalProc_Proc, &symbolClass);
 925
 926                     if (err != noErr)
 927                     {
 928                         gCallUniversalProc_Proc = NULL;
 929                         goto end;
 930                     }
 931                 }
 932             #endif
 933
 934                 {
 935                     MetroNubUserEntryBlock* block = (MetroNubUserEntryBlock *)result;
 936
 937                     /* make sure the version of the API is compatible */
 938                     if (block->apiLowVersion <= kMetroNubUserAPIVersion &&
 939                         kMetroNubUserAPIVersion <= block->apiHiVersion)
 940                         gMetroNubEntry = block;        /* success! */
 941                 }
 942
 943             }
 944         }
 945     }
 946
 947 end:
 948
 949 #if TARGET_API_MAC_CARBON
 950     return (gMetroNubEntry != NULL && gCallUniversalProc_Proc != NULL);
 951 #else
 952     return (gMetroNubEntry != NULL);
 953 #endif
 954 }
 955
 956 /* ---------------------------------------------------------------------------
 957         IsMWDebuggerRunning                                            [v1 API]
 958    --------------------------------------------------------------------------- */
 959
 960 Boolean IsMWDebuggerRunning()
 961 {
 962     if (IsMetroNubInstalled())
 963         return CallIsDebuggerRunningProc(gMetroNubEntry->isDebuggerRunning);
 964     else
 965         return false;
 966 }
 967
 968 /* ---------------------------------------------------------------------------
 969         AmIBeingMWDebugged                                            [v1 API]
 970    --------------------------------------------------------------------------- */
 971
 972 Boolean AmIBeingMWDebugged()
 973 {
 974     if (IsMetroNubInstalled())
 975         return CallAmIBeingDebuggedProc(gMetroNubEntry->amIBeingDebugged);
 976     else
 977         return false;
 978 }
 979
 980 extern bool WXDLLEXPORT wxIsDebuggerRunning()
 981 {
 982     return IsMWDebuggerRunning() && AmIBeingMWDebugged();
 983 }
 984
 985 #else
 986
 987 extern bool WXDLLEXPORT wxIsDebuggerRunning()
 988 {
 989     return false;
 990 }
 991
 992 #endif // defined(__WXMAC__) && !defined(__DARWIN__) && (__MWERKS__ >= 0x2400)
 993
 994 #endif // wxUSE_GUI
 995