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 // ---------------------------------------------------------------------------
  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 wxString wxMacFindFolder( short        vol,
 363               OSType       folderType,
 364               Boolean      createFolder)
 365 {
 366     short    vRefNum  ;
 367     long     dirID ;
 368     wxString strDir ;
 369
 370     if ( FindFolder( vol, folderType, createFolder, &vRefNum, &dirID) == noErr)
 371     {
 372         FSSpec file ;
 373         if ( FSMakeFSSpec( vRefNum , dirID , "\p" , &file ) == noErr )
 374         {
 375             strDir = wxMacFSSpec2MacFilename( &file ) + wxFILE_SEP_PATH ;
 376         }
 377     }
 378     return strDir ;
 379 }
 380
 381 // Check whether this window wants to process messages, e.g. Stop button
 382 // in long calculations.
 383 bool wxCheckForInterrupt(wxWindow *wnd)
 384 {
 385     // TODO
 386     return FALSE;
 387 }
 388
 389 void wxGetMousePosition( int* x, int* y )
 390 {
 391     Point pt ;
 392
 393     GetMouse( &pt ) ;
 394     LocalToGlobal( &pt ) ;
 395     *x = pt.h ;
 396     *y = pt.v ;
 397 };
 398
 399 // Return TRUE if we have a colour display
 400 bool wxColourDisplay()
 401 {
 402     return TRUE;
 403 }
 404
 405 // Returns depth of screen
 406 int wxDisplayDepth()
 407 {
 408     Rect globRect ;
 409     SetRect(&globRect, -32760, -32760, 32760, 32760);
 410     GDHandle    theMaxDevice;
 411
 412     int theDepth = 8;
 413     theMaxDevice = GetMaxDevice(&globRect);
 414     if (theMaxDevice != nil)
 415         theDepth = (**(**theMaxDevice).gdPMap).pixelSize;
 416
 417     return theDepth ;
 418 }
 419
 420 // Get size of display
 421 void wxDisplaySize(int *width, int *height)
 422 {
 423     BitMap screenBits;
 424     GetQDGlobalsScreenBits( &screenBits );
 425
 426     if (width != NULL) {
 427         *width = screenBits.bounds.right - screenBits.bounds.left  ;
 428     }
 429     if (height != NULL) {
 430         *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 431     }
 432 }
 433
 434 void wxDisplaySizeMM(int *width, int *height)
 435 {
 436     wxDisplaySize(width, height);
 437     // on mac 72 is fixed (at least now ;-)
 438     float cvPt2Mm = 25.4 / 72;
 439
 440     if (width != NULL) {
 441         *width = int( *width * cvPt2Mm );
 442     }
 443     if (height != NULL) {
 444         *height = int( *height * cvPt2Mm );
 445     }
 446 }
 447
 448 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 449 {
 450     BitMap screenBits;
 451     GetQDGlobalsScreenBits( &screenBits );
 452
 453     if (x) *x = 0;
 454     if (y) *y = 0;
 455
 456     if (width != NULL) {
 457         *width = screenBits.bounds.right - screenBits.bounds.left  ;
 458     }
 459     if (height != NULL) {
 460         *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 461     }
 462
 463     SInt16 mheight ;
 464 #if TARGET_CARBON
 465     GetThemeMenuBarHeight( &mheight ) ;
 466 #else
 467     mheight = LMGetMBarHeight() ;
 468 #endif
 469     if (height != NULL) {
 470         *height -= mheight ;
 471     }
 472     if (y)
 473         *y = mheight ;
 474 }
 475
 476 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 477 {
 478     return wxGenericFindWindowAtPoint(pt);
 479 }
 480
 481 #endif // wxUSE_GUI
 482
 483 #if wxUSE_BASE
 484
 485 wxString wxGetOsDescription()
 486 {
 487 #ifdef WXWIN_OS_DESCRIPTION
 488     // use configure generated description if available
 489     return wxString(wxT("MacOS (")) + wxT(WXWIN_OS_DESCRIPTION) + wxString(wxT(")"));
 490 #else
 491     return wxT("MacOS") ; //TODO:define further
 492 #endif
 493 }
 494
 495 #ifndef __DARWIN__
 496 wxChar *wxGetUserHome (const wxString& user)
 497 {
 498     // TODO
 499     return NULL;
 500 }
 501
 502 bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 503 {
 504     if ( path.empty() )
 505         return FALSE;
 506
 507     wxString p = path ;
 508     if (p[0] == ':' ) {
 509       p = wxGetCwd() + p ;
 510     }
 511
 512     int pos = p.Find(':') ;
 513     if ( pos != wxNOT_FOUND ) {
 514       p = p.Mid(1,pos) ;
 515     }
 516
 517     p = p + wxT(":") ;
 518
 519     Str255 volumeName ;
 520     XVolumeParam pb ;
 521
 522     wxMacStringToPascal( p  , volumeName ) ;
 523     OSErr err = XGetVolumeInfoNoName( volumeName , 0 , &pb ) ;
 524     if ( err == noErr ) {
 525       if ( pTotal ) {
 526         (*pTotal) = wxLongLong( pb.ioVTotalBytes ) ;
 527       }
 528       if ( pFree ) {
 529         (*pFree) = wxLongLong( pb.ioVFreeBytes ) ;
 530       }
 531     }
 532
 533     return err == noErr ;
 534 }
 535 #endif // !__DARWIN__
 536
 537 #endif // wxUSE_BASE
 538
 539 #if wxUSE_GUI
 540
 541 //---------------------------------------------------------------------------
 542 // wxMac Specific utility functions
 543 //---------------------------------------------------------------------------
 544
 545 char StringMac[] =  "\x0d\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"
 546                     "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"
 547                     "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xae\xaf"
 548                     "\xb1\xb4\xb5\xb6\xbb\xbc\xbe\xbf"
 549                     "\xc0\xc1\xc2\xc4\xc7\xc8\xc9\xcb\xcc\xcd\xce\xcf"
 550                     "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd8\xca\xdb" ;
 551
 552 char StringANSI[] = "\x0a\xC4\xC5\xC7\xC9\xD1\xD6\xDC\xE1\xE0\xE2\xE4\xE3\xE5\xE7\xE9\xE8"
 553                     "\xEA\xEB\xED\xEC\xEE\xEF\xF1\xF3\xF2\xF4\xF6\xF5\xFA\xF9\xFB\xFC"
 554                     "\x86\xBA\xA2\xA3\xA7\x95\xB6\xDF\xAE\xA9\x99\xB4\xA8\xC6\xD8"
 555                     "\xB1\xA5\xB5\xF0\xAA\xBA\xE6\xF8"
 556                     "\xBF\xA1\xAC\x83\xAB\xBB\x85\xC0\xC3\xD5\x8C\x9C"
 557                     "\x96\x97\x93\x94\x91\x92\xF7\xFF\xA0\x80" ;
 558
 559 void wxMacConvertFromPC( const char *from , char *to , int len )
 560 {
 561     char *c ;
 562     if ( from == to )
 563     {
 564         for( int i = 0 ; i < len ; ++ i )
 565         {
 566             c = strchr( StringANSI , *from ) ;
 567             if ( c != NULL )
 568             {
 569                 *to = StringMac[ c - StringANSI] ;
 570             }
 571             ++to ;
 572             ++from ;
 573         }
 574     }
 575     else
 576     {
 577         for( int i = 0 ; i < len ; ++ i )
 578         {
 579             c = strchr( StringANSI , *from ) ;
 580             if ( c != NULL )
 581             {
 582                 *to = StringMac[ c - StringANSI] ;
 583             }
 584             else
 585             {
 586                 *to = *from ;
 587             }
 588             ++to ;
 589             ++from ;
 590         }
 591     }
 592 }
 593
 594 void wxMacConvertToPC( const char *from , char *to , int len )
 595 {
 596     char *c ;
 597     if ( from == to )
 598     {
 599         for( int i = 0 ; i < len ; ++ i )
 600         {
 601             c = strchr( StringMac , *from ) ;
 602             if ( c != NULL )
 603             {
 604                 *to = StringANSI[ c - StringMac] ;
 605             }
 606             ++to ;
 607             ++from ;
 608         }
 609     }
 610     else
 611     {
 612         for( int i = 0 ; i < len ; ++ i )
 613         {
 614             c = strchr( StringMac , *from ) ;
 615             if ( c != NULL )
 616             {
 617                 *to = StringANSI[ c - StringMac] ;
 618             }
 619             else
 620             {
 621                 *to = *from ;
 622             }
 623             ++to ;
 624             ++from ;
 625         }
 626     }
 627 }
 628
 629 TECObjectRef s_TECNativeCToUnicode = NULL ;
 630 TECObjectRef s_TECUnicodeToNativeC = NULL ;
 631 TECObjectRef s_TECPlatformToNativeC = NULL ;
 632 TECObjectRef s_TECNativeCToPlatform = NULL ;
 633 void wxMacSetupConverters()
 634 {
 635     // if we assume errors are happening here we need low level debugging
 636     // since the high level assert will use the encoders that are not yet
 637     // setup...
 638     const int kEncoding = wxApp::s_macDefaultEncodingIsPC
 639                             ? (int)kTextEncodingWindowsLatin1
 640                             : (int)kTextEncodingMacRoman;
 641
 642     OSStatus status = noErr ;
 643     status = TECCreateConverter(&s_TECNativeCToUnicode,
 644                                 kEncoding,
 645                                 kTextEncodingUnicodeDefault);
 646
 647
 648     status = TECCreateConverter(&s_TECUnicodeToNativeC,
 649                                 kTextEncodingUnicodeDefault,
 650                                 kEncoding);
 651
 652     if ( wxApp::s_macDefaultEncodingIsPC )
 653     {
 654         status = TECCreateConverter(&s_TECPlatformToNativeC,
 655                                     kTextEncodingMacRoman,
 656                                     kTextEncodingWindowsLatin1);
 657
 658
 659         status = TECCreateConverter(&s_TECNativeCToPlatform,
 660                                     kTextEncodingWindowsLatin1,
 661                                     kTextEncodingMacRoman);
 662     }
 663 }
 664
 665 void wxMacCleanupConverters()
 666 {
 667     OSStatus status = noErr ;
 668     status = TECDisposeConverter(s_TECNativeCToUnicode);
 669
 670     status = TECDisposeConverter(s_TECUnicodeToNativeC);
 671
 672     status = TECDisposeConverter(s_TECPlatformToNativeC);
 673
 674     status = TECDisposeConverter(s_TECNativeCToPlatform);
 675 }
 676
 677 wxWCharBuffer wxMacStringToWString( const wxString &from )
 678 {
 679 #if wxUSE_UNICODE
 680     wxWCharBuffer result( from.wc_str() ) ;
 681 #else
 682     OSStatus status = noErr ;
 683     ByteCount byteOutLen ;
 684     ByteCount byteInLen = from.Length() ;
 685     ByteCount byteBufferLen = byteInLen *2 ;
 686     wxWCharBuffer result( from.Length() ) ;
 687     status = TECConvertText(s_TECNativeCToUnicode, (ConstTextPtr)from.c_str() , byteInLen, &byteInLen,
 688         (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 689     result.data()[byteOutLen/2] = 0 ;
 690 #endif
 691     return result ;
 692 }
 693
 694 wxString wxMacMakeStringFromCString( const char * from , int len )
 695 {
 696     OSStatus status = noErr ;
 697     wxString result ;
 698     wxChar* buf = result.GetWriteBuf( len ) ;
 699 #if wxUSE_UNICODE
 700     ByteCount byteOutLen ;
 701     ByteCount byteInLen = len ;
 702     ByteCount byteBufferLen = len *2 ;
 703
 704     status = TECConvertText(s_TECNativeCToUnicode, (ConstTextPtr)from , byteInLen, &byteInLen,
 705         (TextPtr)buf, byteBufferLen, &byteOutLen);
 706 #else
 707     if ( !wxApp::s_macDefaultEncodingIsPC )
 708         memcpy( buf , from , len ) ;
 709     else
 710     {
 711         ByteCount byteOutLen ;
 712         ByteCount byteInLen = len ;
 713         ByteCount byteBufferLen = byteInLen ;
 714
 715         status = TECConvertText(s_TECPlatformToNativeC, (ConstTextPtr)from , byteInLen, &byteInLen,
 716             (TextPtr)buf, byteBufferLen, &byteOutLen);
 717     }
 718 #endif
 719     buf[len] = 0 ;
 720     result.UngetWriteBuf() ;
 721     return result ;
 722 }
 723
 724 wxString wxMacMakeStringFromCString( const char * from )
 725 {
 726     return wxMacMakeStringFromCString( from , strlen(from) ) ;
 727 }
 728
 729 wxCharBuffer wxMacStringToCString( const wxString &from )
 730 {
 731 #if wxUSE_UNICODE
 732     OSStatus status = noErr ;
 733     ByteCount byteOutLen ;
 734     ByteCount byteInLen = from.Length() * 2 ;
 735     ByteCount byteBufferLen = from.Length() ;
 736     wxCharBuffer result( from.Length() ) ;
 737     status = TECConvertText(s_TECUnicodeToNativeC , (ConstTextPtr)from.wc_str() , byteInLen, &byteInLen,
 738         (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 739     return result ;
 740 #else
 741     if ( !wxApp::s_macDefaultEncodingIsPC )
 742         return wxCharBuffer( from.c_str() ) ;
 743     else
 744     {
 745         wxCharBuffer result( from.Length() ) ;
 746         OSStatus status = noErr ;
 747         ByteCount byteOutLen ;
 748         ByteCount byteInLen = from.Length() ;
 749         ByteCount byteBufferLen = byteInLen ;
 750
 751         status = TECConvertText(s_TECNativeCToPlatform, (ConstTextPtr)from.c_str() , byteInLen, &byteInLen,
 752             (TextPtr)result.data(), byteBufferLen, &byteOutLen);
 753         return result ;
 754     }
 755 #endif
 756 }
 757
 758 void wxMacStringToPascal( const wxString&from , StringPtr to )
 759 {
 760     wxCharBuffer buf = wxMacStringToCString( from ) ;
 761     int len = strlen(buf) ;
 762
 763     if ( len > 255 )
 764         len = 255 ;
 765     to[0] = len ;
 766     memcpy( (char*) &to[1] , buf , len ) ;
 767 }
 768
 769 wxString wxMacMakeStringFromPascal( ConstStringPtr from )
 770 {
 771     return wxMacMakeStringFromCString( (char*) &from[1] , from[0] ) ;
 772 }
 773
 774 //
 775 // CFStringRefs (Carbon only)
 776 //
 777
 778 #if TARGET_CARBON
 779 // converts this string into a carbon foundation string with optional pc 2 mac encoding
 780 void wxMacCFStringHolder::Assign( const wxString &str )
 781 {
 782 #if wxUSE_UNICODE
 783         m_cfs = CFStringCreateWithCharacters( kCFAllocatorDefault,
 784                 (const unsigned short*)str.wc_str(), str.Len() );
 785 #else
 786     m_cfs = CFStringCreateWithCString( kCFAllocatorSystemDefault , str.c_str() ,
 787         wxApp::s_macDefaultEncodingIsPC ?
 788         kCFStringEncodingWindowsLatin1 : CFStringGetSystemEncoding() ) ;
 789 #endif
 790     m_release = true ;
 791 }
 792
 793 wxString wxMacCFStringHolder::AsString()
 794 {
 795     wxString result ;
 796     Size len = CFStringGetLength( m_cfs )  ;
 797     wxChar* buf = result.GetWriteBuf( len ) ;
 798 #if wxUSE_UNICODE
 799     CFStringGetCharacters( m_cfs , CFRangeMake( 0 , len ) , (UniChar*) buf ) ;
 800 #else
 801     CFStringGetCString( m_cfs , buf , len+1 , wxApp::s_macDefaultEncodingIsPC ?
 802         kCFStringEncodingWindowsLatin1 : CFStringGetSystemEncoding() ) ;
 803 #endif
 804     buf[len] = 0 ;
 805     result.UngetWriteBuf() ;
 806     return result ;
 807 }
 808
 809 #if 0
 810
 811 wxString wxMacMakeMacStringFromPC( const wxChar * p )
 812 {
 813     wxString result ;
 814     int len = wxStrlen ( p ) ;
 815     if ( len > 0 )
 816     {
 817         wxChar* ptr = result.GetWriteBuf(len) ;
 818         wxMacConvertFromPC( p , ptr , len ) ;
 819         ptr[len] = 0 ;
 820         result.UngetWriteBuf( len ) ;
 821     }
 822     return result ;
 823 }
 824
 825 wxString wxMacMakePCStringFromMac( const wxChar * p )
 826 {
 827     wxString result ;
 828     int len = wxStrlen ( p ) ;
 829     if ( len > 0 )
 830     {
 831         wxChar* ptr = result.GetWriteBuf(len) ;
 832         wxMacConvertToPC( p , ptr , len ) ;
 833         ptr[len] = 0 ;
 834         result.UngetWriteBuf( len ) ;
 835     }
 836     return result ;
 837 }
 838
 839 wxString wxMacMakeStringFromMacString( const wxChar* from , bool mac2pcEncoding )
 840 {
 841     if (mac2pcEncoding)
 842     {
 843       return wxMacMakePCStringFromMac( from ) ;
 844     }
 845     else
 846     {
 847       return wxString( from ) ;
 848     }
 849 }
 850
 851 //
 852 // Pascal Strings
 853 //
 854
 855 wxString wxMacMakeStringFromPascal( ConstStringPtr from , bool mac2pcEncoding )
 856 {
 857       // this is safe since a pascal string can never be larger than 256 bytes
 858       char s[256] ;
 859       CopyPascalStringToC( from , s ) ;
 860     if (mac2pcEncoding)
 861     {
 862       return wxMacMakePCStringFromMac( s ) ;
 863     }
 864     else
 865     {
 866       return wxString( s ) ;
 867     }
 868 }
 869
 870 void wxMacStringToPascal( const wxChar * from , StringPtr to , bool pc2macEncoding )
 871 {
 872     if (pc2macEncoding)
 873     {
 874       CopyCStringToPascal( wxMacMakeMacStringFromPC( from ) , to ) ;
 875     }
 876     else
 877     {
 878       CopyCStringToPascal( from , to ) ;
 879     }
 880 }
 881 #endif
 882
 883
 884 #endif //TARGET_CARBON
 885
 886 // ----------------------------------------------------------------------------
 887 // debugging support
 888 // ----------------------------------------------------------------------------
 889
 890 #if defined(__WXMAC__) && !defined(__DARWIN__) && defined(__MWERKS__) && (__MWERKS__ >= 0x2400)
 891
 892 // MetroNub stuff doesn't seem to work in CodeWarrior 5.3 Carbon builds...
 893
 894 #ifndef __MetroNubUtils__
 895 #include "MetroNubUtils.h"
 896 #endif
 897
 898 #ifndef __GESTALT__
 899 #include <Gestalt.h>
 900 #endif
 901
 902 #if TARGET_API_MAC_CARBON
 903
 904     #include <CodeFragments.h>
 905
 906     extern "C" long CallUniversalProc(UniversalProcPtr theProcPtr, ProcInfoType procInfo, ...);
 907
 908     ProcPtr gCallUniversalProc_Proc = NULL;
 909
 910 #endif
 911
 912 static MetroNubUserEntryBlock*    gMetroNubEntry = NULL;
 913
 914 static long fRunOnce = false;
 915
 916 /* ---------------------------------------------------------------------------
 917         IsMetroNubInstalled
 918    --------------------------------------------------------------------------- */
 919
 920 Boolean IsMetroNubInstalled()
 921 {
 922     if (!fRunOnce)
 923     {
 924         long result, value;
 925
 926         fRunOnce = true;
 927         gMetroNubEntry = NULL;
 928
 929         if (Gestalt(gestaltSystemVersion, &value) == noErr && value < 0x1000)
 930         {
 931             /* look for MetroNub's Gestalt selector */
 932             if (Gestalt(kMetroNubUserSignature, &result) == noErr)
 933             {
 934
 935             #if TARGET_API_MAC_CARBON
 936                 if (gCallUniversalProc_Proc == NULL)
 937                 {
 938                     CFragConnectionID   connectionID;
 939                     Ptr                 mainAddress;
 940                     Str255              errorString;
 941                     ProcPtr             symbolAddress;
 942                     OSErr               err;
 943                     CFragSymbolClass    symbolClass;
 944
 945                     symbolAddress = NULL;
 946                     err = GetSharedLibrary("\pInterfaceLib", kPowerPCCFragArch, kFindCFrag,
 947                                            &connectionID, &mainAddress, errorString);
 948
 949                     if (err != noErr)
 950                     {
 951                         gCallUniversalProc_Proc = NULL;
 952                         goto end;
 953                     }
 954
 955                     err = FindSymbol(connectionID, "\pCallUniversalProc",
 956                                     (Ptr *) &gCallUniversalProc_Proc, &symbolClass);
 957
 958                     if (err != noErr)
 959                     {
 960                         gCallUniversalProc_Proc = NULL;
 961                         goto end;
 962                     }
 963                 }
 964             #endif
 965
 966                 {
 967                     MetroNubUserEntryBlock* block = (MetroNubUserEntryBlock *)result;
 968
 969                     /* make sure the version of the API is compatible */
 970                     if (block->apiLowVersion <= kMetroNubUserAPIVersion &&
 971                         kMetroNubUserAPIVersion <= block->apiHiVersion)
 972                         gMetroNubEntry = block;        /* success! */
 973                 }
 974
 975             }
 976         }
 977     }
 978
 979 end:
 980
 981 #if TARGET_API_MAC_CARBON
 982     return (gMetroNubEntry != NULL && gCallUniversalProc_Proc != NULL);
 983 #else
 984     return (gMetroNubEntry != NULL);
 985 #endif
 986 }
 987
 988 /* ---------------------------------------------------------------------------
 989         IsMWDebuggerRunning                                            [v1 API]
 990    --------------------------------------------------------------------------- */
 991
 992 Boolean IsMWDebuggerRunning()
 993 {
 994     if (IsMetroNubInstalled())
 995         return CallIsDebuggerRunningProc(gMetroNubEntry->isDebuggerRunning);
 996     else
 997         return false;
 998 }
 999
1000 /* ---------------------------------------------------------------------------
1001         AmIBeingMWDebugged                                            [v1 API]
1002    --------------------------------------------------------------------------- */
1003
1004 Boolean AmIBeingMWDebugged()
1005 {
1006     if (IsMetroNubInstalled())
1007         return CallAmIBeingDebuggedProc(gMetroNubEntry->amIBeingDebugged);
1008     else
1009         return false;
1010 }
1011
1012 extern bool WXDLLEXPORT wxIsDebuggerRunning()
1013 {
1014     return IsMWDebuggerRunning() && AmIBeingMWDebugged();
1015 }
1016
1017 #else
1018
1019 extern bool WXDLLEXPORT wxIsDebuggerRunning()
1020 {
1021     return false;
1022 }
1023
1024 #endif // defined(__WXMAC__) && !defined(__DARWIN__) && (__MWERKS__ >= 0x2400)
1025
1026 #endif // wxUSE_GUI
1027