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 #if defined(__WXMAC__)
  50   #include  "wx/mac/private.h"  // includes mac headers
  51 #endif
  52
  53 #if defined(__MWERKS__) && wxUSE_UNICODE
  54     #include <wtime.h>
  55 #endif
  56
  57 #if wxUSE_BASE
  58
  59 #ifndef __DARWIN__
  60 // defined in unix/utilsunx.cpp for Mac OS X
  61
  62 // get full hostname (with domain name if possible)
  63 bool wxGetFullHostName(wxChar *buf, int maxSize)
  64 {
  65     return wxGetHostName(buf, maxSize);
  66 }
  67
  68 // Get hostname only (without domain name)
  69 bool wxGetHostName(wxChar *buf, int maxSize)
  70 {
  71     // Gets Chooser name of user by examining a System resource.
  72
  73     const short kComputerNameID = -16413;
  74
  75     short oldResFile = CurResFile() ;
  76     UseResFile(0);
  77     StringHandle chooserName = (StringHandle)::GetString(kComputerNameID);
  78     UseResFile(oldResFile);
  79
  80     if (chooserName && *chooserName)
  81     {
  82         HLock( (Handle) chooserName ) ;
  83         wxString name = wxMacMakeStringFromPascal( *chooserName ) ;
  84         HUnlock( (Handle) chooserName ) ;
  85         ReleaseResource( (Handle) chooserName ) ;
  86         wxStrncpy( buf , name , maxSize - 1 ) ;
  87     }
  88     else
  89         buf[0] = 0 ;
  90
  91   return TRUE;
  92 }
  93
  94 // Get user ID e.g. jacs
  95 bool wxGetUserId(wxChar *buf, int maxSize)
  96 {
  97   return wxGetUserName( buf , maxSize ) ;
  98 }
  99
 100 const wxChar* wxGetHomeDir(wxString *pstr)
 101 {
 102     *pstr = wxMacFindFolder(  (short) kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder ) ;
 103     return pstr->c_str() ;
 104 }
 105
 106 // Get user name e.g. Stefan Csomor
 107 bool wxGetUserName(wxChar *buf, int maxSize)
 108 {
 109     // Gets Chooser name of user by examining a System resource.
 110
 111     const short kChooserNameID = -16096;
 112
 113     short oldResFile = CurResFile() ;
 114     UseResFile(0);
 115     StringHandle chooserName = (StringHandle)::GetString(kChooserNameID);
 116     UseResFile(oldResFile);
 117
 118     if (chooserName && *chooserName)
 119     {
 120         HLock( (Handle) chooserName ) ;
 121         wxString name = wxMacMakeStringFromPascal( *chooserName ) ;
 122         HUnlock( (Handle) chooserName ) ;
 123         ReleaseResource( (Handle) chooserName ) ;
 124         wxStrncpy( buf , name , maxSize - 1 ) ;
 125     }
 126     else
 127         buf[0] = 0 ;
 128
 129   return TRUE;
 130 }
 131
 132 int wxKill(long pid, wxSignal sig , wxKillError *rc )
 133 {
 134     // TODO
 135     return 0;
 136 }
 137
 138 WXDLLEXPORT bool wxGetEnv(const wxString& var, wxString *value)
 139 {
 140     // TODO : under classic there is no environement support, under X yes
 141     return false ;
 142 }
 143
 144 // set the env var name to the given value, return TRUE on success
 145 WXDLLEXPORT bool wxSetEnv(const wxString& var, const wxChar *value)
 146 {
 147     // TODO : under classic there is no environement support, under X yes
 148     return false ;
 149 }
 150
 151 //
 152 // Execute a program in an Interactive Shell
 153 //
 154 bool wxShell(const wxString& command)
 155 {
 156     // TODO
 157     return FALSE;
 158 }
 159
 160 // Shutdown or reboot the PC
 161 bool wxShutdown(wxShutdownFlags wFlags)
 162 {
 163     // TODO
 164     return FALSE;
 165 }
 166
 167 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 168 long wxGetFreeMemory()
 169 {
 170     return FreeMem() ;
 171 }
 172
 173 void wxUsleep(unsigned long milliseconds)
 174 {
 175     clock_t start = clock() ;
 176     do
 177     {
 178         YieldToAnyThread() ;
 179     } while( clock() - start < milliseconds /  1000.0 * CLOCKS_PER_SEC ) ;
 180 }
 181
 182 void wxSleep(int nSecs)
 183 {
 184     wxUsleep(1000*nSecs);
 185 }
 186
 187 // Consume all events until no more left
 188 void wxFlushEvents()
 189 {
 190 }
 191
 192 #endif // !__DARWIN__
 193
 194 // Emit a beeeeeep
 195 void wxBell()
 196 {
 197     SysBeep(30);
 198 }
 199
 200 // our OS version is the same in non GUI and GUI cases
 201 static int DoGetOSVersion(int *majorVsn, int *minorVsn)
 202 {
 203     long theSystem ;
 204
 205     // are there x-platform conventions ?
 206
 207     Gestalt(gestaltSystemVersion, &theSystem) ;
 208     if (minorVsn != NULL) {
 209         *minorVsn = (theSystem & 0xFF ) ;
 210     }
 211     if (majorVsn != NULL) {
 212         *majorVsn = (theSystem >> 8 ) ;
 213     }
 214 #ifdef __DARWIN__
 215     return wxMAC_DARWIN;
 216 #else
 217     return wxMAC;
 218 #endif
 219 }
 220
 221 int wxConsoleAppTraits::GetOSVersion(int *majorVsn, int *minorVsn)
 222 {
 223     return DoGetOSVersion(majorVsn, minorVsn);
 224 }
 225
 226 #endif // wxUSE_BASE
 227
 228 #if wxUSE_GUI
 229
 230 int wxGUIAppTraits::GetOSVersion(int *majorVsn, int *minorVsn)
 231 {
 232     return DoGetOSVersion(majorVsn, minorVsn);
 233 }
 234
 235 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 236 #if wxUSE_RESOURCES
 237 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 238 {
 239     // TODO
 240     return FALSE;
 241 }
 242
 243 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 244 {
 245     wxString buf;
 246     buf.Printf(wxT("%.4f"), value);
 247
 248     return wxWriteResource(section, entry, buf, file);
 249 }
 250
 251 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 252 {
 253     wxString buf;
 254     buf.Printf(wxT("%ld"), value);
 255
 256     return wxWriteResource(section, entry, buf, file);
 257 }
 258
 259 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
 260 {
 261     wxString buf;
 262     buf.Printf(wxT("%d"), value);
 263
 264     return wxWriteResource(section, entry, buf, file);
 265 }
 266
 267 bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
 268 {
 269     // TODO
 270     return FALSE;
 271 }
 272
 273 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
 274 {
 275     char *s = NULL;
 276     bool succ = wxGetResource(section, entry, (char **)&s, file);
 277     if (succ)
 278     {
 279         *value = (float)strtod(s, NULL);
 280         delete[] s;
 281         return TRUE;
 282     }
 283     else return FALSE;
 284 }
 285
 286 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
 287 {
 288     char *s = NULL;
 289     bool succ = wxGetResource(section, entry, (char **)&s, file);
 290     if (succ)
 291     {
 292         *value = strtol(s, NULL, 10);
 293         delete[] s;
 294         return TRUE;
 295     }
 296     else return FALSE;
 297 }
 298
 299 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
 300 {
 301     char *s = NULL;
 302     bool succ = wxGetResource(section, entry, (char **)&s, file);
 303     if (succ)
 304     {
 305         *value = (int)strtol(s, NULL, 10);
 306         delete[] s;
 307         return TRUE;
 308     }
 309     else return FALSE;
 310 }
 311 #endif // wxUSE_RESOURCES
 312
 313 int gs_wxBusyCursorCount = 0;
 314 extern wxCursor    gMacCurrentCursor ;
 315 wxCursor        gMacStoredActiveCursor ;
 316
 317 // Set the cursor to the busy cursor for all windows
 318 void wxBeginBusyCursor(wxCursor *cursor)
 319 {
 320     if (gs_wxBusyCursorCount++ == 0)
 321     {
 322         gMacStoredActiveCursor = gMacCurrentCursor ;
 323         cursor->MacInstall() ;
 324     }
 325     //else: nothing to do, already set
 326 }
 327
 328 // Restore cursor to normal
 329 void wxEndBusyCursor()
 330 {
 331     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 332         wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 333
 334     if (--gs_wxBusyCursorCount == 0)
 335     {
 336         gMacStoredActiveCursor.MacInstall() ;
 337         gMacStoredActiveCursor = wxNullCursor ;
 338     }
 339 }
 340
 341 // TRUE if we're between the above two calls
 342 bool wxIsBusy()
 343 {
 344     return (gs_wxBusyCursorCount > 0);
 345 }
 346
 347 wxString wxMacFindFolder( short        vol,
 348               OSType       folderType,
 349               Boolean      createFolder)
 350 {
 351     short    vRefNum  ;
 352     long     dirID ;
 353     wxString strDir ;
 354
 355     if ( FindFolder( vol, folderType, createFolder, &vRefNum, &dirID) == noErr)
 356     {
 357         FSSpec file ;
 358         if ( FSMakeFSSpec( vRefNum , dirID , "\p" , &file ) == noErr )
 359         {
 360             strDir = wxMacFSSpec2MacFilename( &file ) + wxFILE_SEP_PATH ;
 361         }
 362     }
 363     return strDir ;
 364 }
 365
 366 // Check whether this window wants to process messages, e.g. Stop button
 367 // in long calculations.
 368 bool wxCheckForInterrupt(wxWindow *wnd)
 369 {
 370     // TODO
 371     return FALSE;
 372 }
 373
 374 void wxGetMousePosition( int* x, int* y )
 375 {
 376     Point pt ;
 377
 378     GetMouse( &pt ) ;
 379     LocalToGlobal( &pt ) ;
 380     *x = pt.h ;
 381     *y = pt.v ;
 382 };
 383
 384 // Return TRUE if we have a colour display
 385 bool wxColourDisplay()
 386 {
 387     return TRUE;
 388 }
 389
 390 // Returns depth of screen
 391 int wxDisplayDepth()
 392 {
 393     Rect globRect ;
 394     SetRect(&globRect, -32760, -32760, 32760, 32760);
 395     GDHandle    theMaxDevice;
 396
 397     int theDepth = 8;
 398     theMaxDevice = GetMaxDevice(&globRect);
 399     if (theMaxDevice != nil)
 400         theDepth = (**(**theMaxDevice).gdPMap).pixelSize;
 401
 402     return theDepth ;
 403 }
 404
 405 // Get size of display
 406 void wxDisplaySize(int *width, int *height)
 407 {
 408     BitMap screenBits;
 409     GetQDGlobalsScreenBits( &screenBits );
 410
 411     if (width != NULL) {
 412         *width = screenBits.bounds.right - screenBits.bounds.left  ;
 413     }
 414     if (height != NULL) {
 415         *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 416     }
 417 }
 418
 419 void wxDisplaySizeMM(int *width, int *height)
 420 {
 421     wxDisplaySize(width, height);
 422     // on mac 72 is fixed (at least now ;-)
 423     float cvPt2Mm = 25.4 / 72;
 424
 425     if (width != NULL) {
 426         *width = int( *width * cvPt2Mm );
 427     }
 428     if (height != NULL) {
 429         *height = int( *height * cvPt2Mm );
 430     }
 431 }
 432
 433 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 434 {
 435     BitMap screenBits;
 436     GetQDGlobalsScreenBits( &screenBits );
 437
 438     if (x) *x = 0;
 439     if (y) *y = 0;
 440
 441     if (width != NULL) {
 442         *width = screenBits.bounds.right - screenBits.bounds.left  ;
 443     }
 444     if (height != NULL) {
 445         *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 446     }
 447
 448     SInt16 mheight ;
 449 #if TARGET_CARBON
 450     GetThemeMenuBarHeight( &mheight ) ;
 451 #else
 452     mheight = LMGetMBarHeight() ;
 453 #endif
 454     if (height != NULL) {
 455         *height -= mheight ;
 456     }
 457     if (y)
 458         *y = mheight ;
 459 }
 460
 461 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 462 {
 463     return wxGenericFindWindowAtPoint(pt);
 464 }
 465
 466 #endif // wxUSE_GUI
 467
 468 #if wxUSE_BASE
 469
 470 wxString wxGetOsDescription()
 471 {
 472 #ifdef WXWIN_OS_DESCRIPTION
 473     // use configure generated description if available
 474     return wxString("MacOS (") + WXWIN_OS_DESCRIPTION + wxString(")");
 475 #else
 476     return wxT("MacOS") ; //TODO:define further
 477 #endif
 478 }
 479
 480 #ifndef __DARWIN__
 481 wxChar *wxGetUserHome (const wxString& user)
 482 {
 483     // TODO
 484     return NULL;
 485 }
 486
 487 bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 488 {
 489     if ( path.empty() )
 490         return FALSE;
 491
 492     wxString p = path ;
 493     if (p[0] == ':' ) {
 494       p = wxGetCwd() + p ;
 495     }
 496
 497     int pos = p.Find(':') ;
 498     if ( pos != wxNOT_FOUND ) {
 499       p = p.Mid(1,pos) ;
 500     }
 501
 502     p = p + wxT(":") ;
 503
 504     Str255 volumeName ;
 505     XVolumeParam pb ;
 506
 507     wxMacStringToPascal( p  , volumeName ) ;
 508     OSErr err = XGetVolumeInfoNoName( volumeName , 0 , &pb ) ;
 509     if ( err == noErr ) {
 510       if ( pTotal ) {
 511         (*pTotal) = wxLongLong( pb.ioVTotalBytes ) ;
 512       }
 513       if ( pFree ) {
 514         (*pFree) = wxLongLong( pb.ioVFreeBytes ) ;
 515       }
 516     }
 517
 518     return err == noErr ;
 519 }
 520 #endif // !__DARWIN__
 521
 522 #endif // wxUSE_BASE
 523
 524 #if wxUSE_GUI
 525
 526 //---------------------------------------------------------------------------
 527 // wxMac Specific utility functions
 528 //---------------------------------------------------------------------------
 529
 530 char StringMac[] =  "\x0d\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"
 531                     "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"
 532                     "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xae\xaf"
 533                     "\xb1\xb4\xb5\xb6\xbb\xbc\xbe\xbf"
 534                     "\xc0\xc1\xc2\xc4\xc7\xc8\xc9\xcb\xcc\xcd\xce\xcf"
 535                     "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd8\xca\xdb" ;
 536
 537 char StringANSI[] = "\x0a\xC4\xC5\xC7\xC9\xD1\xD6\xDC\xE1\xE0\xE2\xE4\xE3\xE5\xE7\xE9\xE8"
 538                     "\xEA\xEB\xED\xEC\xEE\xEF\xF1\xF3\xF2\xF4\xF6\xF5\xFA\xF9\xFB\xFC"
 539                     "\x86\xBA\xA2\xA3\xA7\x95\xB6\xDF\xAE\xA9\x99\xB4\xA8\xC6\xD8"
 540                     "\xB1\xA5\xB5\xF0\xAA\xBA\xE6\xF8"
 541                     "\xBF\xA1\xAC\x83\xAB\xBB\x85\xC0\xC3\xD5\x8C\x9C"
 542                     "\x96\x97\x93\x94\x91\x92\xF7\xFF\xA0\x80" ;
 543
 544 void wxMacConvertFromPC( const char *from , char *to , int len )
 545 {
 546     char *c ;
 547     if ( from == to )
 548     {
 549         for( int i = 0 ; i < len ; ++ i )
 550         {
 551             c = strchr( StringANSI , *from ) ;
 552             if ( c != NULL )
 553             {
 554                 *to = StringMac[ c - StringANSI] ;
 555             }
 556             ++to ;
 557             ++from ;
 558         }
 559     }
 560     else
 561     {
 562         for( int i = 0 ; i < len ; ++ i )
 563         {
 564             c = strchr( StringANSI , *from ) ;
 565             if ( c != NULL )
 566             {
 567                 *to = StringMac[ c - StringANSI] ;
 568             }
 569             else
 570             {
 571                 *to = *from ;
 572             }
 573             ++to ;
 574             ++from ;
 575         }
 576     }
 577 }
 578
 579 void wxMacConvertToPC( const char *from , char *to , int len )
 580 {
 581     char *c ;
 582     if ( from == to )
 583     {
 584         for( int i = 0 ; i < len ; ++ i )
 585         {
 586             c = strchr( StringMac , *from ) ;
 587             if ( c != NULL )
 588             {
 589                 *to = StringANSI[ c - StringMac] ;
 590             }
 591             ++to ;
 592             ++from ;
 593         }
 594     }
 595     else
 596     {
 597         for( int i = 0 ; i < len ; ++ i )
 598         {
 599             c = strchr( StringMac , *from ) ;
 600             if ( c != NULL )
 601             {
 602                 *to = StringANSI[ c - StringMac] ;
 603             }
 604             else
 605             {
 606                 *to = *from ;
 607             }
 608             ++to ;
 609             ++from ;
 610         }
 611     }
 612 }
 613
 614 TECObjectRef s_TECNativeCToUnicode = NULL ;
 615 TECObjectRef s_TECUnicodeToNativeC = NULL ;
 616 TECObjectRef s_TECPlatformToNativeC = NULL ;
 617 TECObjectRef s_TECNativeCToPlatform = NULL ;
 618 void wxMacSetupConverters()
 619 {
 620     // if we assume errors are happening here we need low level debugging
 621     // since the high level assert will use the encoders that are not yet
 622     // setup...
 623     const int kEncoding = wxApp::s_macDefaultEncodingIsPC
 624                             ? (int)kTextEncodingWindowsLatin1
 625                             : (int)kTextEncodingMacRoman;
 626
 627     OSStatus status = noErr ;
 628     status = TECCreateConverter(&s_TECNativeCToUnicode,
 629                                 kEncoding,
 630                                 kTextEncodingUnicodeDefault);
 631
 632
 633     status = TECCreateConverter(&s_TECUnicodeToNativeC,
 634                                 kTextEncodingUnicodeDefault,
 635                                 kEncoding);
 636
 637     if ( wxApp::s_macDefaultEncodingIsPC )
 638     {
 639         status = TECCreateConverter(&s_TECPlatformToNativeC,
 640                                     kTextEncodingMacRoman,
 641                                     kTextEncodingWindowsLatin1);
 642
 643
 644         status = TECCreateConverter(&s_TECNativeCToPlatform,
 645                                     kTextEncodingWindowsLatin1,
 646                                     kTextEncodingMacRoman);
 647     }
 648 }
 649
 650 void wxMacCleanupConverters()
 651 {
 652     OSStatus status = noErr ;
 653     status = TECDisposeConverter(s_TECNativeCToUnicode);
 654
 655     status = TECDisposeConverter(s_TECUnicodeToNativeC);
 656
 657     status = TECDisposeConverter(s_TECPlatformToNativeC);
 658
 659     status = TECDisposeConverter(s_TECNativeCToPlatform);
 660 }
 661
 662 wxWCharBuffer wxMacStringToWString( const wxString &from )
 663 {
 664 #if wxUSE_UNICODE
 665     wxWCharBuffer result( from.wc_str() ) ;
 666 #else
 667     OSStatus status = noErr ;
 668     ByteCount byteOutLen ;
 669     ByteCount byteInLen = from.Length() ;
 670     ByteCount byteBufferLen = byteInLen *2 ;
 671     wxWCharBuffer result( from.Length() ) ;
 672     status = TECConvertText(s_TECNativeCToUnicode, (ConstTextPtr)from.c_str() , byteInLen, &byteInLen,
 673         (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 674     result.data()[byteOutLen/2] = 0 ;
 675 #endif
 676     return result ;
 677 }
 678
 679 wxString wxMacMakeStringFromCString( const char * from , int len )
 680 {
 681     OSStatus status = noErr ;
 682     wxString result ;
 683     wxChar* buf = result.GetWriteBuf( len ) ;
 684 #if wxUSE_UNICODE
 685     ByteCount byteOutLen ;
 686     ByteCount byteInLen = len ;
 687     ByteCount byteBufferLen = len *2 ;
 688
 689     status = TECConvertText(s_TECNativeCToUnicode, (ConstTextPtr)from , byteInLen, &byteInLen,
 690         (TextPtr)buf, byteBufferLen, &byteOutLen);
 691 #else
 692     if ( !wxApp::s_macDefaultEncodingIsPC )
 693         memcpy( buf , from , len ) ;
 694     else
 695     {
 696         ByteCount byteOutLen ;
 697         ByteCount byteInLen = len ;
 698         ByteCount byteBufferLen = byteInLen ;
 699
 700         status = TECConvertText(s_TECPlatformToNativeC, (ConstTextPtr)from , byteInLen, &byteInLen,
 701             (TextPtr)buf, byteBufferLen, &byteOutLen);
 702     }
 703 #endif
 704     buf[len] = 0 ;
 705     result.UngetWriteBuf() ;
 706     return result ;
 707 }
 708
 709 wxString wxMacMakeStringFromCString( const char * from )
 710 {
 711     return wxMacMakeStringFromCString( from , strlen(from) ) ;
 712 }
 713
 714 wxCharBuffer wxMacStringToCString( const wxString &from )
 715 {
 716 #if wxUSE_UNICODE
 717     OSStatus status = noErr ;
 718     ByteCount byteOutLen ;
 719     ByteCount byteInLen = from.Length() * 2 ;
 720     ByteCount byteBufferLen = from.Length() ;
 721     wxCharBuffer result( from.Length() ) ;
 722     status = TECConvertText(s_TECUnicodeToNativeC , (ConstTextPtr)from.wc_str() , byteInLen, &byteInLen,
 723         (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 724     return result ;
 725 #else
 726     if ( !wxApp::s_macDefaultEncodingIsPC )
 727         return wxCharBuffer( from.c_str() ) ;
 728     else
 729     {
 730         wxCharBuffer result( from.Length() ) ;
 731         OSStatus status = noErr ;
 732         ByteCount byteOutLen ;
 733         ByteCount byteInLen = from.Length() ;
 734         ByteCount byteBufferLen = byteInLen ;
 735
 736         status = TECConvertText(s_TECNativeCToPlatform, (ConstTextPtr)from.c_str() , byteInLen, &byteInLen,
 737             (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 738         return result ;
 739     }
 740 #endif
 741 }
 742
 743 void wxMacStringToPascal( const wxString&from , StringPtr to )
 744 {
 745     wxCharBuffer buf = wxMacStringToCString( from ) ;
 746     int len = strlen(buf) ;
 747
 748     if ( len > 255 )
 749         len = 255 ;
 750     to[0] = len ;
 751     memcpy( (char*) &to[1] , buf , len ) ;
 752 }
 753
 754 wxString wxMacMakeStringFromPascal( ConstStringPtr from )
 755 {
 756     return wxMacMakeStringFromCString( (char*) &from[1] , from[0] ) ;
 757 }
 758
 759 //
 760 // CFStringRefs (Carbon only)
 761 //
 762
 763 #if TARGET_CARBON
 764 // converts this string into a carbon foundation string with optional pc 2 mac encoding
 765 void wxMacCFStringHolder::Assign( const wxString &str )
 766 {
 767 #if wxUSE_UNICODE
 768         m_cfs = CFStringCreateWithCharacters( kCFAllocatorDefault,
 769                 (const unsigned short*)str.wc_str(), str.Len() );
 770 #else
 771     m_cfs = CFStringCreateWithCString( kCFAllocatorSystemDefault , str.c_str() ,
 772         wxApp::s_macDefaultEncodingIsPC ?
 773         kCFStringEncodingWindowsLatin1 : CFStringGetSystemEncoding() ) ;
 774 #endif
 775     m_release = true ;
 776 }
 777
 778 wxString wxMacCFStringHolder::AsString()
 779 {
 780     wxString result ;
 781     Size len = CFStringGetLength( m_cfs )  ;
 782     wxChar* buf = result.GetWriteBuf( len ) ;
 783 #if wxUSE_UNICODE
 784     CFStringGetCharacters( m_cfs , CFRangeMake( 0 , len ) , (UniChar*) buf ) ;
 785 #else
 786     CFStringGetCString( m_cfs , buf , len+1 , wxApp::s_macDefaultEncodingIsPC ?
 787         kCFStringEncodingWindowsLatin1 : CFStringGetSystemEncoding() ) ;
 788 #endif
 789     buf[len] = 0 ;
 790     result.UngetWriteBuf() ;
 791     return result ;
 792 }
 793
 794 #if 0
 795
 796 wxString wxMacMakeMacStringFromPC( const wxChar * p )
 797 {
 798     wxString result ;
 799     int len = wxStrlen ( p ) ;
 800     if ( len > 0 )
 801     {
 802         wxChar* ptr = result.GetWriteBuf(len) ;
 803         wxMacConvertFromPC( p , ptr , len ) ;
 804         ptr[len] = 0 ;
 805         result.UngetWriteBuf( len ) ;
 806     }
 807     return result ;
 808 }
 809
 810 wxString wxMacMakePCStringFromMac( const wxChar * p )
 811 {
 812     wxString result ;
 813     int len = wxStrlen ( p ) ;
 814     if ( len > 0 )
 815     {
 816         wxChar* ptr = result.GetWriteBuf(len) ;
 817         wxMacConvertToPC( p , ptr , len ) ;
 818         ptr[len] = 0 ;
 819         result.UngetWriteBuf( len ) ;
 820     }
 821     return result ;
 822 }
 823
 824 wxString wxMacMakeStringFromMacString( const wxChar* from , bool mac2pcEncoding )
 825 {
 826     if (mac2pcEncoding)
 827     {
 828       return wxMacMakePCStringFromMac( from ) ;
 829     }
 830     else
 831     {
 832       return wxString( from ) ;
 833     }
 834 }
 835
 836 //
 837 // Pascal Strings
 838 //
 839
 840 wxString wxMacMakeStringFromPascal( ConstStringPtr from , bool mac2pcEncoding )
 841 {
 842       // this is safe since a pascal string can never be larger than 256 bytes
 843       char s[256] ;
 844       CopyPascalStringToC( from , s ) ;
 845     if (mac2pcEncoding)
 846     {
 847       return wxMacMakePCStringFromMac( s ) ;
 848     }
 849     else
 850     {
 851       return wxString( s ) ;
 852     }
 853 }
 854
 855 void wxMacStringToPascal( const wxChar * from , StringPtr to , bool pc2macEncoding )
 856 {
 857     if (pc2macEncoding)
 858     {
 859       CopyCStringToPascal( wxMacMakeMacStringFromPC( from ) , to ) ;
 860     }
 861     else
 862     {
 863       CopyCStringToPascal( from , to ) ;
 864     }
 865 }
 866 #endif
 867
 868
 869 #endif //TARGET_CARBON
 870
 871 // ----------------------------------------------------------------------------
 872 // debugging support
 873 // ----------------------------------------------------------------------------
 874
 875 #if defined(__WXMAC__) && !defined(__DARWIN__) && defined(__MWERKS__) && (__MWERKS__ >= 0x2400)
 876
 877 // MetroNub stuff doesn't seem to work in CodeWarrior 5.3 Carbon builds...
 878
 879 #ifndef __MetroNubUtils__
 880 #include "MetroNubUtils.h"
 881 #endif
 882
 883 #ifndef __GESTALT__
 884 #include <Gestalt.h>
 885 #endif
 886
 887 #if TARGET_API_MAC_CARBON
 888
 889     #include <CodeFragments.h>
 890
 891     extern "C" long CallUniversalProc(UniversalProcPtr theProcPtr, ProcInfoType procInfo, ...);
 892
 893     ProcPtr gCallUniversalProc_Proc = NULL;
 894
 895 #endif
 896
 897 static MetroNubUserEntryBlock*    gMetroNubEntry = NULL;
 898
 899 static long fRunOnce = false;
 900
 901 /* ---------------------------------------------------------------------------
 902         IsMetroNubInstalled
 903    --------------------------------------------------------------------------- */
 904
 905 Boolean IsMetroNubInstalled()
 906 {
 907     if (!fRunOnce)
 908     {
 909         long result, value;
 910
 911         fRunOnce = true;
 912         gMetroNubEntry = NULL;
 913
 914         if (Gestalt(gestaltSystemVersion, &value) == noErr && value < 0x1000)
 915         {
 916             /* look for MetroNub's Gestalt selector */
 917             if (Gestalt(kMetroNubUserSignature, &result) == noErr)
 918             {
 919
 920             #if TARGET_API_MAC_CARBON
 921                 if (gCallUniversalProc_Proc == NULL)
 922                 {
 923                     CFragConnectionID   connectionID;
 924                     Ptr                 mainAddress;
 925                     Str255              errorString;
 926                     ProcPtr             symbolAddress;
 927                     OSErr               err;
 928                     CFragSymbolClass    symbolClass;
 929
 930                     symbolAddress = NULL;
 931                     err = GetSharedLibrary("\pInterfaceLib", kPowerPCCFragArch, kFindCFrag,
 932                                            &connectionID, &mainAddress, errorString);
 933
 934                     if (err != noErr)
 935                     {
 936                         gCallUniversalProc_Proc = NULL;
 937                         goto end;
 938                     }
 939
 940                     err = FindSymbol(connectionID, "\pCallUniversalProc",
 941                                     (Ptr *) &gCallUniversalProc_Proc, &symbolClass);
 942
 943                     if (err != noErr)
 944                     {
 945                         gCallUniversalProc_Proc = NULL;
 946                         goto end;
 947                     }
 948                 }
 949             #endif
 950
 951                 {
 952                     MetroNubUserEntryBlock* block = (MetroNubUserEntryBlock *)result;
 953
 954                     /* make sure the version of the API is compatible */
 955                     if (block->apiLowVersion <= kMetroNubUserAPIVersion &&
 956                         kMetroNubUserAPIVersion <= block->apiHiVersion)
 957                         gMetroNubEntry = block;        /* success! */
 958                 }
 959
 960             }
 961         }
 962     }
 963
 964 end:
 965
 966 #if TARGET_API_MAC_CARBON
 967     return (gMetroNubEntry != NULL && gCallUniversalProc_Proc != NULL);
 968 #else
 969     return (gMetroNubEntry != NULL);
 970 #endif
 971 }
 972
 973 /* ---------------------------------------------------------------------------
 974         IsMWDebuggerRunning                                            [v1 API]
 975    --------------------------------------------------------------------------- */
 976
 977 Boolean IsMWDebuggerRunning()
 978 {
 979     if (IsMetroNubInstalled())
 980         return CallIsDebuggerRunningProc(gMetroNubEntry->isDebuggerRunning);
 981     else
 982         return false;
 983 }
 984
 985 /* ---------------------------------------------------------------------------
 986         AmIBeingMWDebugged                                            [v1 API]
 987    --------------------------------------------------------------------------- */
 988
 989 Boolean AmIBeingMWDebugged()
 990 {
 991     if (IsMetroNubInstalled())
 992         return CallAmIBeingDebuggedProc(gMetroNubEntry->amIBeingDebugged);
 993     else
 994         return false;
 995 }
 996
 997 extern bool WXDLLEXPORT wxIsDebuggerRunning()
 998 {
 999     return IsMWDebuggerRunning() && AmIBeingMWDebugged();
1000 }
1001
1002 #else
1003
1004 extern bool WXDLLEXPORT wxIsDebuggerRunning()
1005 {
1006     return false;
1007 }
1008
1009 #endif // defined(__WXMAC__) && !defined(__DARWIN__) && (__MWERKS__ >= 0x2400)
1010
1011 #endif // wxUSE_GUI
1012