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 wxToolkitInfo& wxConsoleAppTraits::GetToolkitInfo()
 222 {
 223     static wxToolkitInfo info;
 224     info.os = DoGetOSVersion(&info.majorVersion, &info.minorVersion);
 225     info.name = _T("wxBase");
 226     return info;
 227 }
 228
 229 #endif // wxUSE_BASE
 230
 231 #if wxUSE_GUI
 232
 233 wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo()
 234 {
 235     static wxToolkitInfo info;
 236     info.os = DoGetOSVersion(&info.majorVersion, &info.minorVersion);
 237     info.shortName = _T("mac");
 238     info.name = _T("wxMac");
 239 #ifdef __WXUNIVERSAL__
 240     info.shortName << _T("univ");
 241     info.name << _T("/wxUniversal");
 242 #endif
 243     return info;
 244 }
 245
 246 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 247 #if wxUSE_RESOURCES
 248 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 249 {
 250     // TODO
 251     return FALSE;
 252 }
 253
 254 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 255 {
 256     wxString buf;
 257     buf.Printf(wxT("%.4f"), value);
 258
 259     return wxWriteResource(section, entry, buf, file);
 260 }
 261
 262 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 263 {
 264     wxString buf;
 265     buf.Printf(wxT("%ld"), value);
 266
 267     return wxWriteResource(section, entry, buf, file);
 268 }
 269
 270 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
 271 {
 272     wxString buf;
 273     buf.Printf(wxT("%d"), value);
 274
 275     return wxWriteResource(section, entry, buf, file);
 276 }
 277
 278 bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
 279 {
 280     // TODO
 281     return FALSE;
 282 }
 283
 284 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
 285 {
 286     char *s = NULL;
 287     bool succ = wxGetResource(section, entry, (char **)&s, file);
 288     if (succ)
 289     {
 290         *value = (float)strtod(s, NULL);
 291         delete[] s;
 292         return TRUE;
 293     }
 294     else return FALSE;
 295 }
 296
 297 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
 298 {
 299     char *s = NULL;
 300     bool succ = wxGetResource(section, entry, (char **)&s, file);
 301     if (succ)
 302     {
 303         *value = strtol(s, NULL, 10);
 304         delete[] s;
 305         return TRUE;
 306     }
 307     else return FALSE;
 308 }
 309
 310 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
 311 {
 312     char *s = NULL;
 313     bool succ = wxGetResource(section, entry, (char **)&s, file);
 314     if (succ)
 315     {
 316         *value = (int)strtol(s, NULL, 10);
 317         delete[] s;
 318         return TRUE;
 319     }
 320     else return FALSE;
 321 }
 322 #endif // wxUSE_RESOURCES
 323
 324 int gs_wxBusyCursorCount = 0;
 325 extern wxCursor    gMacCurrentCursor ;
 326 wxCursor        gMacStoredActiveCursor ;
 327
 328 // Set the cursor to the busy cursor for all windows
 329 void wxBeginBusyCursor(wxCursor *cursor)
 330 {
 331     if (gs_wxBusyCursorCount++ == 0)
 332     {
 333         gMacStoredActiveCursor = gMacCurrentCursor ;
 334         cursor->MacInstall() ;
 335     }
 336     //else: nothing to do, already set
 337 }
 338
 339 // Restore cursor to normal
 340 void wxEndBusyCursor()
 341 {
 342     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 343         wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 344
 345     if (--gs_wxBusyCursorCount == 0)
 346     {
 347         gMacStoredActiveCursor.MacInstall() ;
 348         gMacStoredActiveCursor = wxNullCursor ;
 349     }
 350 }
 351
 352 // TRUE if we're between the above two calls
 353 bool wxIsBusy()
 354 {
 355     return (gs_wxBusyCursorCount > 0);
 356 }
 357
 358 wxString wxMacFindFolder( short        vol,
 359               OSType       folderType,
 360               Boolean      createFolder)
 361 {
 362     short    vRefNum  ;
 363     long     dirID ;
 364     wxString strDir ;
 365
 366     if ( FindFolder( vol, folderType, createFolder, &vRefNum, &dirID) == noErr)
 367     {
 368         FSSpec file ;
 369         if ( FSMakeFSSpec( vRefNum , dirID , "\p" , &file ) == noErr )
 370         {
 371             strDir = wxMacFSSpec2MacFilename( &file ) + wxFILE_SEP_PATH ;
 372         }
 373     }
 374     return strDir ;
 375 }
 376
 377 // Check whether this window wants to process messages, e.g. Stop button
 378 // in long calculations.
 379 bool wxCheckForInterrupt(wxWindow *wnd)
 380 {
 381     // TODO
 382     return FALSE;
 383 }
 384
 385 void wxGetMousePosition( int* x, int* y )
 386 {
 387     Point pt ;
 388
 389     GetMouse( &pt ) ;
 390     LocalToGlobal( &pt ) ;
 391     *x = pt.h ;
 392     *y = pt.v ;
 393 };
 394
 395 // Return TRUE if we have a colour display
 396 bool wxColourDisplay()
 397 {
 398     return TRUE;
 399 }
 400
 401 // Returns depth of screen
 402 int wxDisplayDepth()
 403 {
 404     Rect globRect ;
 405     SetRect(&globRect, -32760, -32760, 32760, 32760);
 406     GDHandle    theMaxDevice;
 407
 408     int theDepth = 8;
 409     theMaxDevice = GetMaxDevice(&globRect);
 410     if (theMaxDevice != nil)
 411         theDepth = (**(**theMaxDevice).gdPMap).pixelSize;
 412
 413     return theDepth ;
 414 }
 415
 416 // Get size of display
 417 void wxDisplaySize(int *width, int *height)
 418 {
 419     BitMap screenBits;
 420     GetQDGlobalsScreenBits( &screenBits );
 421
 422     if (width != NULL) {
 423         *width = screenBits.bounds.right - screenBits.bounds.left  ;
 424     }
 425     if (height != NULL) {
 426         *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 427     }
 428 }
 429
 430 void wxDisplaySizeMM(int *width, int *height)
 431 {
 432     wxDisplaySize(width, height);
 433     // on mac 72 is fixed (at least now ;-)
 434     float cvPt2Mm = 25.4 / 72;
 435
 436     if (width != NULL) {
 437         *width = int( *width * cvPt2Mm );
 438     }
 439     if (height != NULL) {
 440         *height = int( *height * cvPt2Mm );
 441     }
 442 }
 443
 444 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 445 {
 446     BitMap screenBits;
 447     GetQDGlobalsScreenBits( &screenBits );
 448
 449     if (x) *x = 0;
 450     if (y) *y = 0;
 451
 452     if (width != NULL) {
 453         *width = screenBits.bounds.right - screenBits.bounds.left  ;
 454     }
 455     if (height != NULL) {
 456         *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 457     }
 458
 459     SInt16 mheight ;
 460 #if TARGET_CARBON
 461     GetThemeMenuBarHeight( &mheight ) ;
 462 #else
 463     mheight = LMGetMBarHeight() ;
 464 #endif
 465     if (height != NULL) {
 466         *height -= mheight ;
 467     }
 468     if (y)
 469         *y = mheight ;
 470 }
 471
 472 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 473 {
 474     return wxGenericFindWindowAtPoint(pt);
 475 }
 476
 477 #endif // wxUSE_GUI
 478
 479 #if wxUSE_BASE
 480
 481 wxString wxGetOsDescription()
 482 {
 483 #ifdef WXWIN_OS_DESCRIPTION
 484     // use configure generated description if available
 485     return wxString("MacOS (") + WXWIN_OS_DESCRIPTION + wxString(")");
 486 #else
 487     return wxT("MacOS") ; //TODO:define further
 488 #endif
 489 }
 490
 491 #ifndef __DARWIN__
 492 wxChar *wxGetUserHome (const wxString& user)
 493 {
 494     // TODO
 495     return NULL;
 496 }
 497
 498 bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 499 {
 500     if ( path.empty() )
 501         return FALSE;
 502
 503     wxString p = path ;
 504     if (p[0] == ':' ) {
 505       p = wxGetCwd() + p ;
 506     }
 507
 508     int pos = p.Find(':') ;
 509     if ( pos != wxNOT_FOUND ) {
 510       p = p.Mid(1,pos) ;
 511     }
 512
 513     p = p + wxT(":") ;
 514
 515     Str255 volumeName ;
 516     XVolumeParam pb ;
 517
 518     wxMacStringToPascal( p  , volumeName ) ;
 519     OSErr err = XGetVolumeInfoNoName( volumeName , 0 , &pb ) ;
 520     if ( err == noErr ) {
 521       if ( pTotal ) {
 522         (*pTotal) = wxLongLong( pb.ioVTotalBytes ) ;
 523       }
 524       if ( pFree ) {
 525         (*pFree) = wxLongLong( pb.ioVFreeBytes ) ;
 526       }
 527     }
 528
 529     return err == noErr ;
 530 }
 531 #endif // !__DARWIN__
 532
 533 #endif // wxUSE_BASE
 534
 535 #if wxUSE_GUI
 536
 537 //---------------------------------------------------------------------------
 538 // wxMac Specific utility functions
 539 //---------------------------------------------------------------------------
 540
 541 char StringMac[] =  "\x0d\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"
 542                     "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"
 543                     "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xae\xaf"
 544                     "\xb1\xb4\xb5\xb6\xbb\xbc\xbe\xbf"
 545                     "\xc0\xc1\xc2\xc4\xc7\xc8\xc9\xcb\xcc\xcd\xce\xcf"
 546                     "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd8\xca\xdb" ;
 547
 548 char StringANSI[] = "\x0a\xC4\xC5\xC7\xC9\xD1\xD6\xDC\xE1\xE0\xE2\xE4\xE3\xE5\xE7\xE9\xE8"
 549                     "\xEA\xEB\xED\xEC\xEE\xEF\xF1\xF3\xF2\xF4\xF6\xF5\xFA\xF9\xFB\xFC"
 550                     "\x86\xBA\xA2\xA3\xA7\x95\xB6\xDF\xAE\xA9\x99\xB4\xA8\xC6\xD8"
 551                     "\xB1\xA5\xB5\xF0\xAA\xBA\xE6\xF8"
 552                     "\xBF\xA1\xAC\x83\xAB\xBB\x85\xC0\xC3\xD5\x8C\x9C"
 553                     "\x96\x97\x93\x94\x91\x92\xF7\xFF\xA0\x80" ;
 554
 555 void wxMacConvertFromPC( const char *from , char *to , int len )
 556 {
 557     char *c ;
 558     if ( from == to )
 559     {
 560         for( int i = 0 ; i < len ; ++ i )
 561         {
 562             c = strchr( StringANSI , *from ) ;
 563             if ( c != NULL )
 564             {
 565                 *to = StringMac[ c - StringANSI] ;
 566             }
 567             ++to ;
 568             ++from ;
 569         }
 570     }
 571     else
 572     {
 573         for( int i = 0 ; i < len ; ++ i )
 574         {
 575             c = strchr( StringANSI , *from ) ;
 576             if ( c != NULL )
 577             {
 578                 *to = StringMac[ c - StringANSI] ;
 579             }
 580             else
 581             {
 582                 *to = *from ;
 583             }
 584             ++to ;
 585             ++from ;
 586         }
 587     }
 588 }
 589
 590 void wxMacConvertToPC( const char *from , char *to , int len )
 591 {
 592     char *c ;
 593     if ( from == to )
 594     {
 595         for( int i = 0 ; i < len ; ++ i )
 596         {
 597             c = strchr( StringMac , *from ) ;
 598             if ( c != NULL )
 599             {
 600                 *to = StringANSI[ c - StringMac] ;
 601             }
 602             ++to ;
 603             ++from ;
 604         }
 605     }
 606     else
 607     {
 608         for( int i = 0 ; i < len ; ++ i )
 609         {
 610             c = strchr( StringMac , *from ) ;
 611             if ( c != NULL )
 612             {
 613                 *to = StringANSI[ c - StringMac] ;
 614             }
 615             else
 616             {
 617                 *to = *from ;
 618             }
 619             ++to ;
 620             ++from ;
 621         }
 622     }
 623 }
 624
 625 TECObjectRef s_TECNativeCToUnicode = NULL ;
 626 TECObjectRef s_TECUnicodeToNativeC = NULL ;
 627 TECObjectRef s_TECPlatformToNativeC = NULL ;
 628 TECObjectRef s_TECNativeCToPlatform = NULL ;
 629 void wxMacSetupConverters()
 630 {
 631     // if we assume errors are happening here we need low level debugging
 632     // since the high level assert will use the encoders that are not yet
 633     // setup...
 634     const int kEncoding = wxApp::s_macDefaultEncodingIsPC
 635                             ? (int)kTextEncodingWindowsLatin1
 636                             : (int)kTextEncodingMacRoman;
 637
 638     OSStatus status = noErr ;
 639     status = TECCreateConverter(&s_TECNativeCToUnicode,
 640                                 kEncoding,
 641                                 kTextEncodingUnicodeDefault);
 642
 643
 644     status = TECCreateConverter(&s_TECUnicodeToNativeC,
 645                                 kTextEncodingUnicodeDefault,
 646                                 kEncoding);
 647
 648     if ( wxApp::s_macDefaultEncodingIsPC )
 649     {
 650         status = TECCreateConverter(&s_TECPlatformToNativeC,
 651                                     kTextEncodingMacRoman,
 652                                     kTextEncodingWindowsLatin1);
 653
 654
 655         status = TECCreateConverter(&s_TECNativeCToPlatform,
 656                                     kTextEncodingWindowsLatin1,
 657                                     kTextEncodingMacRoman);
 658     }
 659 }
 660
 661 void wxMacCleanupConverters()
 662 {
 663     OSStatus status = noErr ;
 664     status = TECDisposeConverter(s_TECNativeCToUnicode);
 665
 666     status = TECDisposeConverter(s_TECUnicodeToNativeC);
 667
 668     status = TECDisposeConverter(s_TECPlatformToNativeC);
 669
 670     status = TECDisposeConverter(s_TECNativeCToPlatform);
 671 }
 672
 673 wxWCharBuffer wxMacStringToWString( const wxString &from )
 674 {
 675 #if wxUSE_UNICODE
 676     wxWCharBuffer result( from.wc_str() ) ;
 677 #else
 678     OSStatus status = noErr ;
 679     ByteCount byteOutLen ;
 680     ByteCount byteInLen = from.Length() ;
 681     ByteCount byteBufferLen = byteInLen *2 ;
 682     wxWCharBuffer result( from.Length() ) ;
 683     status = TECConvertText(s_TECNativeCToUnicode, (ConstTextPtr)from.c_str() , byteInLen, &byteInLen,
 684         (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 685     result.data()[byteOutLen/2] = 0 ;
 686 #endif
 687     return result ;
 688 }
 689
 690 wxString wxMacMakeStringFromCString( const char * from , int len )
 691 {
 692     OSStatus status = noErr ;
 693     wxString result ;
 694     wxChar* buf = result.GetWriteBuf( len ) ;
 695 #if wxUSE_UNICODE
 696     ByteCount byteOutLen ;
 697     ByteCount byteInLen = len ;
 698     ByteCount byteBufferLen = len *2 ;
 699
 700     status = TECConvertText(s_TECNativeCToUnicode, (ConstTextPtr)from , byteInLen, &byteInLen,
 701         (TextPtr)buf, byteBufferLen, &byteOutLen);
 702 #else
 703     if ( !wxApp::s_macDefaultEncodingIsPC )
 704         memcpy( buf , from , len ) ;
 705     else
 706     {
 707         ByteCount byteOutLen ;
 708         ByteCount byteInLen = len ;
 709         ByteCount byteBufferLen = byteInLen ;
 710
 711         status = TECConvertText(s_TECPlatformToNativeC, (ConstTextPtr)from , byteInLen, &byteInLen,
 712             (TextPtr)buf, byteBufferLen, &byteOutLen);
 713     }
 714 #endif
 715     buf[len] = 0 ;
 716     result.UngetWriteBuf() ;
 717     return result ;
 718 }
 719
 720 wxString wxMacMakeStringFromCString( const char * from )
 721 {
 722     return wxMacMakeStringFromCString( from , strlen(from) ) ;
 723 }
 724
 725 wxCharBuffer wxMacStringToCString( const wxString &from )
 726 {
 727 #if wxUSE_UNICODE
 728     OSStatus status = noErr ;
 729     ByteCount byteOutLen ;
 730     ByteCount byteInLen = from.Length() * 2 ;
 731     ByteCount byteBufferLen = from.Length() ;
 732     wxCharBuffer result( from.Length() ) ;
 733     status = TECConvertText(s_TECUnicodeToNativeC , (ConstTextPtr)from.wc_str() , byteInLen, &byteInLen,
 734         (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 735     return result ;
 736 #else
 737     if ( !wxApp::s_macDefaultEncodingIsPC )
 738         return wxCharBuffer( from.c_str() ) ;
 739     else
 740     {
 741         wxCharBuffer result( from.Length() ) ;
 742         OSStatus status = noErr ;
 743         ByteCount byteOutLen ;
 744         ByteCount byteInLen = from.Length() ;
 745         ByteCount byteBufferLen = byteInLen ;
 746
 747         status = TECConvertText(s_TECNativeCToPlatform, (ConstTextPtr)from.c_str() , byteInLen, &byteInLen,
 748             (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 749         return result ;
 750     }
 751 #endif
 752 }
 753
 754 void wxMacStringToPascal( const wxString&from , StringPtr to )
 755 {
 756     wxCharBuffer buf = wxMacStringToCString( from ) ;
 757     int len = strlen(buf) ;
 758
 759     if ( len > 255 )
 760         len = 255 ;
 761     to[0] = len ;
 762     memcpy( (char*) &to[1] , buf , len ) ;
 763 }
 764
 765 wxString wxMacMakeStringFromPascal( ConstStringPtr from )
 766 {
 767     return wxMacMakeStringFromCString( (char*) &from[1] , from[0] ) ;
 768 }
 769
 770 //
 771 // CFStringRefs (Carbon only)
 772 //
 773
 774 #if TARGET_CARBON
 775 // converts this string into a carbon foundation string with optional pc 2 mac encoding
 776 void wxMacCFStringHolder::Assign( const wxString &str )
 777 {
 778 #if wxUSE_UNICODE
 779         m_cfs = CFStringCreateWithCharacters( kCFAllocatorDefault,
 780                 (const unsigned short*)str.wc_str(), str.Len() );
 781 #else
 782     m_cfs = CFStringCreateWithCString( kCFAllocatorSystemDefault , str.c_str() ,
 783         wxApp::s_macDefaultEncodingIsPC ?
 784         kCFStringEncodingWindowsLatin1 : CFStringGetSystemEncoding() ) ;
 785 #endif
 786     m_release = true ;
 787 }
 788
 789 wxString wxMacCFStringHolder::AsString()
 790 {
 791     wxString result ;
 792     Size len = CFStringGetLength( m_cfs )  ;
 793     wxChar* buf = result.GetWriteBuf( len ) ;
 794 #if wxUSE_UNICODE
 795     CFStringGetCharacters( m_cfs , CFRangeMake( 0 , len ) , (UniChar*) buf ) ;
 796 #else
 797     CFStringGetCString( m_cfs , buf , len+1 , wxApp::s_macDefaultEncodingIsPC ?
 798         kCFStringEncodingWindowsLatin1 : CFStringGetSystemEncoding() ) ;
 799 #endif
 800     buf[len] = 0 ;
 801     result.UngetWriteBuf() ;
 802     return result ;
 803 }
 804
 805 #if 0
 806
 807 wxString wxMacMakeMacStringFromPC( const wxChar * p )
 808 {
 809     wxString result ;
 810     int len = wxStrlen ( p ) ;
 811     if ( len > 0 )
 812     {
 813         wxChar* ptr = result.GetWriteBuf(len) ;
 814         wxMacConvertFromPC( p , ptr , len ) ;
 815         ptr[len] = 0 ;
 816         result.UngetWriteBuf( len ) ;
 817     }
 818     return result ;
 819 }
 820
 821 wxString wxMacMakePCStringFromMac( const wxChar * p )
 822 {
 823     wxString result ;
 824     int len = wxStrlen ( p ) ;
 825     if ( len > 0 )
 826     {
 827         wxChar* ptr = result.GetWriteBuf(len) ;
 828         wxMacConvertToPC( p , ptr , len ) ;
 829         ptr[len] = 0 ;
 830         result.UngetWriteBuf( len ) ;
 831     }
 832     return result ;
 833 }
 834
 835 wxString wxMacMakeStringFromMacString( const wxChar* from , bool mac2pcEncoding )
 836 {
 837     if (mac2pcEncoding)
 838     {
 839       return wxMacMakePCStringFromMac( from ) ;
 840     }
 841     else
 842     {
 843       return wxString( from ) ;
 844     }
 845 }
 846
 847 //
 848 // Pascal Strings
 849 //
 850
 851 wxString wxMacMakeStringFromPascal( ConstStringPtr from , bool mac2pcEncoding )
 852 {
 853       // this is safe since a pascal string can never be larger than 256 bytes
 854       char s[256] ;
 855       CopyPascalStringToC( from , s ) ;
 856     if (mac2pcEncoding)
 857     {
 858       return wxMacMakePCStringFromMac( s ) ;
 859     }
 860     else
 861     {
 862       return wxString( s ) ;
 863     }
 864 }
 865
 866 void wxMacStringToPascal( const wxChar * from , StringPtr to , bool pc2macEncoding )
 867 {
 868     if (pc2macEncoding)
 869     {
 870       CopyCStringToPascal( wxMacMakeMacStringFromPC( from ) , to ) ;
 871     }
 872     else
 873     {
 874       CopyCStringToPascal( from , to ) ;
 875     }
 876 }
 877 #endif
 878
 879
 880 #endif //TARGET_CARBON
 881
 882 // ----------------------------------------------------------------------------
 883 // debugging support
 884 // ----------------------------------------------------------------------------
 885
 886 #if defined(__WXMAC__) && !defined(__DARWIN__) && defined(__MWERKS__) && (__MWERKS__ >= 0x2400)
 887
 888 // MetroNub stuff doesn't seem to work in CodeWarrior 5.3 Carbon builds...
 889
 890 #ifndef __MetroNubUtils__
 891 #include "MetroNubUtils.h"
 892 #endif
 893
 894 #ifndef __GESTALT__
 895 #include <Gestalt.h>
 896 #endif
 897
 898 #if TARGET_API_MAC_CARBON
 899
 900     #include <CodeFragments.h>
 901
 902     extern "C" long CallUniversalProc(UniversalProcPtr theProcPtr, ProcInfoType procInfo, ...);
 903
 904     ProcPtr gCallUniversalProc_Proc = NULL;
 905
 906 #endif
 907
 908 static MetroNubUserEntryBlock*    gMetroNubEntry = NULL;
 909
 910 static long fRunOnce = false;
 911
 912 /* ---------------------------------------------------------------------------
 913         IsMetroNubInstalled
 914    --------------------------------------------------------------------------- */
 915
 916 Boolean IsMetroNubInstalled()
 917 {
 918     if (!fRunOnce)
 919     {
 920         long result, value;
 921
 922         fRunOnce = true;
 923         gMetroNubEntry = NULL;
 924
 925         if (Gestalt(gestaltSystemVersion, &value) == noErr && value < 0x1000)
 926         {
 927             /* look for MetroNub's Gestalt selector */
 928             if (Gestalt(kMetroNubUserSignature, &result) == noErr)
 929             {
 930
 931             #if TARGET_API_MAC_CARBON
 932                 if (gCallUniversalProc_Proc == NULL)
 933                 {
 934                     CFragConnectionID   connectionID;
 935                     Ptr                 mainAddress;
 936                     Str255              errorString;
 937                     ProcPtr             symbolAddress;
 938                     OSErr               err;
 939                     CFragSymbolClass    symbolClass;
 940
 941                     symbolAddress = NULL;
 942                     err = GetSharedLibrary("\pInterfaceLib", kPowerPCCFragArch, kFindCFrag,
 943                                            &connectionID, &mainAddress, errorString);
 944
 945                     if (err != noErr)
 946                     {
 947                         gCallUniversalProc_Proc = NULL;
 948                         goto end;
 949                     }
 950
 951                     err = FindSymbol(connectionID, "\pCallUniversalProc",
 952                                     (Ptr *) &gCallUniversalProc_Proc, &symbolClass);
 953
 954                     if (err != noErr)
 955                     {
 956                         gCallUniversalProc_Proc = NULL;
 957                         goto end;
 958                     }
 959                 }
 960             #endif
 961
 962                 {
 963                     MetroNubUserEntryBlock* block = (MetroNubUserEntryBlock *)result;
 964
 965                     /* make sure the version of the API is compatible */
 966                     if (block->apiLowVersion <= kMetroNubUserAPIVersion &&
 967                         kMetroNubUserAPIVersion <= block->apiHiVersion)
 968                         gMetroNubEntry = block;        /* success! */
 969                 }
 970
 971             }
 972         }
 973     }
 974
 975 end:
 976
 977 #if TARGET_API_MAC_CARBON
 978     return (gMetroNubEntry != NULL && gCallUniversalProc_Proc != NULL);
 979 #else
 980     return (gMetroNubEntry != NULL);
 981 #endif
 982 }
 983
 984 /* ---------------------------------------------------------------------------
 985         IsMWDebuggerRunning                                            [v1 API]
 986    --------------------------------------------------------------------------- */
 987
 988 Boolean IsMWDebuggerRunning()
 989 {
 990     if (IsMetroNubInstalled())
 991         return CallIsDebuggerRunningProc(gMetroNubEntry->isDebuggerRunning);
 992     else
 993         return false;
 994 }
 995
 996 /* ---------------------------------------------------------------------------
 997         AmIBeingMWDebugged                                            [v1 API]
 998    --------------------------------------------------------------------------- */
 999
1000 Boolean AmIBeingMWDebugged()
1001 {
1002     if (IsMetroNubInstalled())
1003         return CallAmIBeingDebuggedProc(gMetroNubEntry->amIBeingDebugged);
1004     else
1005         return false;
1006 }
1007
1008 extern bool WXDLLEXPORT wxIsDebuggerRunning()
1009 {
1010     return IsMWDebuggerRunning() && AmIBeingMWDebugged();
1011 }
1012
1013 #else
1014
1015 extern bool WXDLLEXPORT wxIsDebuggerRunning()
1016 {
1017     return false;
1018 }
1019
1020 #endif // defined(__WXMAC__) && !defined(__DARWIN__) && (__MWERKS__ >= 0x2400)
1021
1022 #endif // wxUSE_GUI
1023