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