src/msw/utils.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/utils.cpp
   3 // Purpose:     Various utilities
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21 // #pragma implementation "utils.h"   // Note: this is done in utilscmn.cpp now.
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/utils.h"
  33     #include "wx/app.h"
  34     #include "wx/cursor.h"
  35     #include "wx/intl.h"
  36     #include "wx/log.h"
  37 #endif  //WX_PRECOMP
  38
  39 // In some mingws there is a missing extern "C" int the winsock header,
  40 // so we put it here just to be safe. Note that this must appear _before_
  41 // #include "wx/msw/private.h" which itself includes <windows.h>, as this
  42 // one in turn includes <winsock.h> unless we define WIN32_LEAN_AND_MEAN.
  43 //
  44 #if defined(__WIN32__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__) && ! (defined(__GNUWIN32__) && !defined(__MINGW32__))
  45 extern "C" {
  46     #include <winsock.h>    // we use socket functions in wxGetFullHostName()
  47 }
  48 #endif
  49
  50 #include "wx/msw/private.h"     // includes <windows.h>
  51
  52 #include "wx/timer.h"
  53
  54 #if !defined(__GNUWIN32__) && !defined(__WXWINE__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__)
  55     #include <direct.h>
  56
  57     #ifndef __MWERKS__
  58         #include <dos.h>
  59     #endif
  60 #endif  //GNUWIN32
  61
  62 #if defined(__GNUWIN32__) && !defined(__TWIN32__)
  63     #include <sys/unistd.h>
  64     #include <sys/stat.h>
  65 #endif  //GNUWIN32
  66
  67 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  68                     // this (3.1 I believe) and how to test for it.
  69                     // If this works for Borland 4.0 as well, then no worries.
  70     #include <dir.h>
  71 #endif
  72
  73 // VZ: there is some code using NetXXX() functions to get the full user name:
  74 //     I don't think it's a good idea because they don't work under Win95 and
  75 //     seem to return the same as wxGetUserId() under NT. If you really want
  76 //     to use them, just #define USE_NET_API
  77 #undef USE_NET_API
  78
  79 #ifdef USE_NET_API
  80     #include <lm.h>
  81 #endif // USE_NET_API
  82
  83 #if defined(__WIN32__) && !defined(__WXWINE__) && !defined(__WXMICROWIN__)
  84     #include <io.h>
  85
  86     #ifndef __GNUWIN32__
  87         #include <shellapi.h>
  88     #endif
  89 #endif
  90
  91 #ifndef __WATCOMC__
  92     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  93         #include <errno.h>
  94     #endif
  95 #endif
  96
  97 //// BEGIN for console support: VC++ only
  98 #ifdef __VISUALC__
  99
 100 #include "wx/msw/msvcrt.h"
 101
 102 #include <fcntl.h>
 103
 104 #include "wx/ioswrap.h"
 105
 106 #include "wx/ioswrap.h"
 107
 108 /* Need to undef new if including crtdbg.h */
 109 #  ifdef new
 110 #  undef new
 111 #  endif
 112
 113 #ifndef __WIN16__
 114 #  include <crtdbg.h>
 115 #endif
 116
 117 #  if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS
 118 #  define new new(__TFILE__,__LINE__)
 119 #  endif
 120
 121 #endif
 122   // __VISUALC__
 123 /// END for console support
 124
 125 // ----------------------------------------------------------------------------
 126 // constants
 127 // ----------------------------------------------------------------------------
 128
 129 // In the WIN.INI file
 130 static const wxChar WX_SECTION[] = wxT("wxWindows");
 131 static const wxChar eUSERNAME[]  = wxT("UserName");
 132
 133 // these are only used under Win16
 134 #if !defined(__WIN32__) && !defined(__WXMICROWIN__)
 135 static const wxChar eHOSTNAME[]  = wxT("HostName");
 136 static const wxChar eUSERID[]    = wxT("UserId");
 137 #endif // !Win32
 138
 139 #ifndef __WXMICROWIN__
 140
 141 // ============================================================================
 142 // implementation
 143 // ============================================================================
 144
 145 // ----------------------------------------------------------------------------
 146 // get host name and related
 147 // ----------------------------------------------------------------------------
 148
 149 // Get hostname only (without domain name)
 150 bool wxGetHostName(wxChar *buf, int maxSize)
 151 {
 152 #if defined(__WIN32__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__)
 153     DWORD nSize = maxSize;
 154     if ( !::GetComputerName(buf, &nSize) )
 155     {
 156         wxLogLastError(wxT("GetComputerName"));
 157
 158         return FALSE;
 159     }
 160
 161     return TRUE;
 162 #else
 163     wxChar *sysname;
 164     const wxChar *default_host = wxT("noname");
 165
 166     if ((sysname = wxGetenv(wxT("SYSTEM_NAME"))) == NULL) {
 167         GetProfileString(WX_SECTION, eHOSTNAME, default_host, buf, maxSize - 1);
 168     } else
 169         wxStrncpy(buf, sysname, maxSize - 1);
 170     buf[maxSize] = wxT('\0');
 171     return *buf ? TRUE : FALSE;
 172 #endif
 173 }
 174
 175 // get full hostname (with domain name if possible)
 176 bool wxGetFullHostName(wxChar *buf, int maxSize)
 177 {
 178 #if defined(__WIN32__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__) && ! (defined(__GNUWIN32__) && !defined(__MINGW32__))
 179     // TODO should use GetComputerNameEx() when available
 180     WSADATA wsa;
 181     if ( WSAStartup(MAKEWORD(1, 1), &wsa) == 0 )
 182     {
 183         wxString host;
 184         char bufA[256];
 185         if ( gethostname(bufA, WXSIZEOF(bufA)) == 0 )
 186         {
 187             // gethostname() won't usually include the DNS domain name, for
 188             // this we need to work a bit more
 189             if ( !strchr(bufA, '.') )
 190             {
 191                 struct hostent *pHostEnt =  gethostbyname(bufA);
 192
 193                 if ( pHostEnt )
 194                 {
 195                     // Windows will use DNS internally now
 196                     pHostEnt = gethostbyaddr(pHostEnt->h_addr, 4, PF_INET);
 197                 }
 198
 199                 if ( pHostEnt )
 200                 {
 201                     host = pHostEnt->h_name;
 202                 }
 203             }
 204         }
 205
 206         WSACleanup();
 207
 208         if ( !!host )
 209         {
 210             wxStrncpy(buf, host, maxSize);
 211
 212             return TRUE;
 213         }
 214     }
 215 #endif // Win32
 216
 217     return wxGetHostName(buf, maxSize);
 218 }
 219
 220 // Get user ID e.g. jacs
 221 bool wxGetUserId(wxChar *buf, int maxSize)
 222 {
 223 #if defined(__WIN32__) && !defined(__win32s__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__)
 224     DWORD nSize = maxSize;
 225     if ( ::GetUserName(buf, &nSize) == 0 )
 226     {
 227         // actually, it does happen on Win9x if the user didn't log on
 228         DWORD res = ::GetEnvironmentVariable(wxT("username"), buf, maxSize);
 229         if ( res == 0 )
 230         {
 231             // not found
 232             return FALSE;
 233         }
 234     }
 235
 236     return TRUE;
 237 #else   // Win16 or Win32s
 238     wxChar *user;
 239     const wxChar *default_id = wxT("anonymous");
 240
 241     // Can't assume we have NIS (PC-NFS) or some other ID daemon
 242     // So we ...
 243     if (  (user = wxGetenv(wxT("USER"))) == NULL &&
 244             (user = wxGetenv(wxT("LOGNAME"))) == NULL )
 245     {
 246         // Use wxWindows configuration data (comming soon)
 247         GetProfileString(WX_SECTION, eUSERID, default_id, buf, maxSize - 1);
 248     }
 249     else
 250     {
 251         wxStrncpy(buf, user, maxSize - 1);
 252     }
 253
 254     return *buf ? TRUE : FALSE;
 255 #endif
 256 }
 257
 258 // Get user name e.g. Julian Smart
 259 bool wxGetUserName(wxChar *buf, int maxSize)
 260 {
 261 #if wxUSE_PENWINDOWS && !defined(__WATCOMC__) && !defined(__GNUWIN32__)
 262     extern HANDLE g_hPenWin; // PenWindows Running?
 263     if (g_hPenWin)
 264     {
 265         // PenWindows Does have a user concept!
 266         // Get the current owner of the recognizer
 267         GetPrivateProfileString("Current", "User", default_name, wxBuffer, maxSize - 1, "PENWIN.INI");
 268         strncpy(buf, wxBuffer, maxSize - 1);
 269     }
 270     else
 271 #endif
 272     {
 273 #ifdef USE_NET_API
 274         CHAR szUserName[256];
 275         if ( !wxGetUserId(szUserName, WXSIZEOF(szUserName)) )
 276             return FALSE;
 277
 278         // TODO how to get the domain name?
 279         CHAR *szDomain = "";
 280
 281         // the code is based on the MSDN example (also see KB article Q119670)
 282         WCHAR wszUserName[256];          // Unicode user name
 283         WCHAR wszDomain[256];
 284         LPBYTE ComputerName;
 285
 286         USER_INFO_2 *ui2;         // User structure
 287
 288         // Convert ANSI user name and domain to Unicode
 289         MultiByteToWideChar( CP_ACP, 0, szUserName, strlen(szUserName)+1,
 290                 wszUserName, WXSIZEOF(wszUserName) );
 291         MultiByteToWideChar( CP_ACP, 0, szDomain, strlen(szDomain)+1,
 292                 wszDomain, WXSIZEOF(wszDomain) );
 293
 294         // Get the computer name of a DC for the domain.
 295         if ( NetGetDCName( NULL, wszDomain, &ComputerName ) != NERR_Success )
 296         {
 297             wxLogError(wxT("Can not find domain controller"));
 298
 299             goto error;
 300         }
 301
 302         // Look up the user on the DC
 303         NET_API_STATUS status = NetUserGetInfo( (LPWSTR)ComputerName,
 304                 (LPWSTR)&wszUserName,
 305                 2, // level - we want USER_INFO_2
 306                 (LPBYTE *) &ui2 );
 307         switch ( status )
 308         {
 309             case NERR_Success:
 310                 // ok
 311                 break;
 312
 313             case NERR_InvalidComputer:
 314                 wxLogError(wxT("Invalid domain controller name."));
 315
 316                 goto error;
 317
 318             case NERR_UserNotFound:
 319                 wxLogError(wxT("Invalid user name '%s'."), szUserName);
 320
 321                 goto error;
 322
 323             default:
 324                 wxLogSysError(wxT("Can't get information about user"));
 325
 326                 goto error;
 327         }
 328
 329         // Convert the Unicode full name to ANSI
 330         WideCharToMultiByte( CP_ACP, 0, ui2->usri2_full_name, -1,
 331                 buf, maxSize, NULL, NULL );
 332
 333         return TRUE;
 334
 335 error:
 336         wxLogError(wxT("Couldn't look up full user name."));
 337
 338         return FALSE;
 339 #else  // !USE_NET_API
 340         // Could use NIS, MS-Mail or other site specific programs
 341         // Use wxWindows configuration data
 342         bool ok = GetProfileString(WX_SECTION, eUSERNAME, wxT(""), buf, maxSize - 1) != 0;
 343         if ( !ok )
 344         {
 345             ok = wxGetUserId(buf, maxSize);
 346         }
 347
 348         if ( !ok )
 349         {
 350             wxStrncpy(buf, wxT("Unknown User"), maxSize);
 351         }
 352 #endif // Win32/16
 353     }
 354
 355     return TRUE;
 356 }
 357
 358 const wxChar* wxGetHomeDir(wxString *pstr)
 359 {
 360   wxString& strDir = *pstr;
 361
 362   #if defined(__UNIX__) && !defined(__TWIN32__)
 363     const wxChar *szHome = wxGetenv("HOME");
 364     if ( szHome == NULL ) {
 365       // we're homeless...
 366       wxLogWarning(_("can't find user's HOME, using current directory."));
 367       strDir = wxT(".");
 368     }
 369     else
 370        strDir = szHome;
 371
 372     // add a trailing slash if needed
 373     if ( strDir.Last() != wxT('/') )
 374       strDir << wxT('/');
 375   #else   // Windows
 376     #ifdef  __WIN32__
 377       const wxChar *szHome = wxGetenv(wxT("HOMEDRIVE"));
 378       if ( szHome != NULL )
 379         strDir << szHome;
 380       szHome = wxGetenv(wxT("HOMEPATH"));
 381       if ( szHome != NULL ) {
 382         strDir << szHome;
 383
 384         // the idea is that under NT these variables have default values
 385         // of "%systemdrive%:" and "\\". As we don't want to create our
 386         // config files in the root directory of the system drive, we will
 387         // create it in our program's dir. However, if the user took care
 388         // to set HOMEPATH to something other than "\\", we suppose that he
 389         // knows what he is doing and use the supplied value.
 390         if ( wxStrcmp(szHome, wxT("\\")) != 0 )
 391           return strDir.c_str();
 392       }
 393
 394     #else   // Win16
 395       // Win16 has no idea about home, so use the working directory instead
 396     #endif  // WIN16/32
 397
 398     // 260 was taken from windef.h
 399     #ifndef MAX_PATH
 400       #define MAX_PATH  260
 401     #endif
 402
 403     wxString strPath;
 404     ::GetModuleFileName(::GetModuleHandle(NULL),
 405                         strPath.GetWriteBuf(MAX_PATH), MAX_PATH);
 406     strPath.UngetWriteBuf();
 407
 408     // extract the dir name
 409     wxSplitPath(strPath, &strDir, NULL, NULL);
 410
 411   #endif  // UNIX/Win
 412
 413   return strDir.c_str();
 414 }
 415
 416 wxChar *wxGetUserHome(const wxString& WXUNUSED(user))
 417 {
 418     // VZ: the old code here never worked for user != "" anyhow! Moreover, it
 419     //     returned sometimes a malloc()'d pointer, sometimes a pointer to a
 420     //     static buffer and sometimes I don't even know what.
 421     static wxString s_home;
 422
 423     return (wxChar *)wxGetHomeDir(&s_home);
 424 }
 425
 426 bool wxDirExists(const wxString& dir)
 427 {
 428 #ifdef __WXMICROWIN__
 429     return wxPathExist(dir);
 430 #elif defined(__WIN32__)
 431     DWORD attribs = GetFileAttributes(dir);
 432     return ((attribs != (DWORD)-1) && (attribs & FILE_ATTRIBUTE_DIRECTORY));
 433 #else // Win16
 434     #ifdef __BORLANDC__
 435         struct ffblk fileInfo;
 436     #else
 437         struct find_t fileInfo;
 438     #endif
 439     // In Borland findfirst has a different argument
 440     // ordering from _dos_findfirst. But _dos_findfirst
 441     // _should_ be ok in both MS and Borland... why not?
 442     #ifdef __BORLANDC__
 443         return (findfirst(dir, &fileInfo, _A_SUBDIR) == 0 &&
 444                (fileInfo.ff_attrib & _A_SUBDIR) != 0);
 445     #else
 446         return (_dos_findfirst(dir, _A_SUBDIR, &fileInfo) == 0) &&
 447                ((fileInfo.attrib & _A_SUBDIR) != 0);
 448     #endif
 449 #endif // Win32/16
 450 }
 451
 452 // ----------------------------------------------------------------------------
 453 // env vars
 454 // ----------------------------------------------------------------------------
 455
 456 bool wxGetEnv(const wxString& var, wxString *value)
 457 {
 458 #ifdef __WIN16__
 459     const wxChar* ret = wxGetenv(var);
 460     if (ret)
 461     {
 462         *value = ret;
 463         return TRUE;
 464     }
 465     else
 466         return FALSE;
 467 #else
 468     // first get the size of the buffer
 469     DWORD dwRet = ::GetEnvironmentVariable(var, NULL, 0);
 470     if ( !dwRet )
 471     {
 472         // this means that there is no such variable
 473         return FALSE;
 474     }
 475
 476     if ( value )
 477     {
 478         (void)::GetEnvironmentVariable(var, value->GetWriteBuf(dwRet), dwRet);
 479         value->UngetWriteBuf();
 480     }
 481
 482     return TRUE;
 483 #endif
 484 }
 485
 486 bool wxSetEnv(const wxString& var, const wxChar *value)
 487 {
 488     // some compilers have putenv() or _putenv() or _wputenv() but it's better
 489     // to always use Win32 function directly instead of dealing with them
 490 #if defined(__WIN32__)
 491     if ( !::SetEnvironmentVariable(var, value) )
 492     {
 493         wxLogLastError(_T("SetEnvironmentVariable"));
 494
 495         return FALSE;
 496     }
 497
 498     return TRUE;
 499 #else // no way to set env vars
 500     return FALSE;
 501 #endif
 502 }
 503
 504 // ----------------------------------------------------------------------------
 505 // process management
 506 // ----------------------------------------------------------------------------
 507
 508 #ifdef __WIN32__
 509
 510 // structure used to pass parameters from wxKill() to wxEnumFindByPidProc()
 511 struct wxFindByPidParams
 512 {
 513     wxFindByPidParams() { hwnd = 0; pid = 0; }
 514
 515     // the HWND used to return the result
 516     HWND hwnd;
 517
 518     // the PID we're looking from
 519     DWORD pid;
 520 };
 521
 522 // wxKill helper: EnumWindows() callback which is used to find the first (top
 523 // level) window belonging to the given process
 524 BOOL CALLBACK wxEnumFindByPidProc(HWND hwnd, LPARAM lParam)
 525 {
 526     DWORD pid;
 527     (void)::GetWindowThreadProcessId(hwnd, &pid);
 528
 529     wxFindByPidParams *params = (wxFindByPidParams *)lParam;
 530     if ( pid == params->pid )
 531     {
 532         // remember the window we found
 533         params->hwnd = hwnd;
 534
 535         // return FALSE to stop the enumeration
 536         return FALSE;
 537     }
 538
 539     // continue enumeration
 540     return TRUE;
 541 }
 542
 543 #endif // __WIN32__
 544
 545 int wxKill(long pid, wxSignal sig, wxKillError *krc)
 546 {
 547 #ifdef __WIN32__
 548     // get the process handle to operate on
 549     HANDLE hProcess = ::OpenProcess(SYNCHRONIZE |
 550                                     PROCESS_TERMINATE |
 551                                     PROCESS_QUERY_INFORMATION,
 552                                     FALSE, // not inheritable
 553                                     (DWORD)pid);
 554     if ( hProcess == NULL )
 555     {
 556         if ( krc )
 557         {
 558             if ( ::GetLastError() == ERROR_ACCESS_DENIED )
 559             {
 560                 *krc = wxKILL_ACCESS_DENIED;
 561             }
 562             else
 563             {
 564                 *krc = wxKILL_NO_PROCESS;
 565             }
 566         }
 567
 568         return -1;
 569     }
 570
 571     bool ok = TRUE;
 572     switch ( sig )
 573     {
 574         case wxSIGKILL:
 575             // kill the process forcefully returning -1 as error code
 576             if ( !::TerminateProcess(hProcess, (UINT)-1) )
 577             {
 578                 wxLogSysError(_("Failed to kill process %d"), pid);
 579
 580                 if ( krc )
 581                 {
 582                     // this is not supposed to happen if we could open the
 583                     // process
 584                     *krc = wxKILL_ERROR;
 585                 }
 586
 587                 ok = FALSE;
 588             }
 589             break;
 590
 591         case wxSIGNONE:
 592             // do nothing, we just want to test for process existence
 593             break;
 594
 595         default:
 596             // any other signal means "terminate"
 597             {
 598                 wxFindByPidParams params;
 599                 params.pid = (DWORD)pid;
 600
 601                 // EnumWindows() has nice semantics: it returns 0 if it found
 602                 // something or if an error occured and non zero if it
 603                 // enumerated all the window
 604                 if ( !::EnumWindows(wxEnumFindByPidProc, (LPARAM)&params) )
 605                 {
 606                     // did we find any window?
 607                     if ( params.hwnd )
 608                     {
 609                         // tell the app to close
 610                         //
 611                         // NB: this is the harshest way, the app won't have
 612                         //     opportunity to save any files, for example, but
 613                         //     this is probably what we want here. If not we
 614                         //     can also use SendMesageTimeout(WM_CLOSE)
 615                         if ( !::PostMessage(params.hwnd, WM_QUIT, 0, 0) )
 616                         {
 617                             wxLogLastError(_T("PostMessage(WM_QUIT)"));
 618                         }
 619                     }
 620                     else // it was an error then
 621                     {
 622                         wxLogLastError(_T("EnumWindows"));
 623
 624                         ok = FALSE;
 625                     }
 626                 }
 627                 else // no windows for this PID
 628                 {
 629                     if ( krc )
 630                     {
 631                         *krc = wxKILL_ERROR;
 632                     }
 633
 634                     ok = FALSE;
 635                 }
 636             }
 637     }
 638
 639     // the return code
 640     DWORD rc;
 641
 642     if ( ok )
 643     {
 644         // as we wait for a short time, we can use just WaitForSingleObject()
 645         // and not MsgWaitForMultipleObjects()
 646         switch ( ::WaitForSingleObject(hProcess, 500 /* msec */) )
 647         {
 648             case WAIT_OBJECT_0:
 649                 // process terminated
 650                 if ( !::GetExitCodeProcess(hProcess, &rc) )
 651                 {
 652                     wxLogLastError(_T("GetExitCodeProcess"));
 653                 }
 654                 break;
 655
 656             default:
 657                 wxFAIL_MSG( _T("unexpected WaitForSingleObject() return") );
 658                 // fall through
 659
 660             case WAIT_FAILED:
 661                 wxLogLastError(_T("WaitForSingleObject"));
 662                 // fall through
 663
 664             case WAIT_TIMEOUT:
 665                 if ( krc )
 666                 {
 667                     *krc = wxKILL_ERROR;
 668                 }
 669
 670                 rc = STILL_ACTIVE;
 671                 break;
 672         }
 673     }
 674     else // !ok
 675     {
 676         // just to suppress the warnings about uninitialized variable
 677         rc = 0;
 678     }
 679
 680     ::CloseHandle(hProcess);
 681
 682     // the return code is the same as from Unix kill(): 0 if killed
 683     // successfully or -1 on error
 684     if ( sig == wxSIGNONE )
 685     {
 686         if ( ok && rc == STILL_ACTIVE )
 687         {
 688             // there is such process => success
 689             return 0;
 690         }
 691     }
 692     else // not SIGNONE
 693     {
 694         if ( ok && rc != STILL_ACTIVE )
 695         {
 696             // killed => success
 697             return 0;
 698         }
 699     }
 700 #else // Win15
 701     wxFAIL_MSG( _T("not implemented") );
 702 #endif // Win32/Win16
 703
 704     // error
 705     return -1;
 706 }
 707
 708 // Execute a program in an Interactive Shell
 709 bool wxShell(const wxString& command)
 710 {
 711     wxChar *shell = wxGetenv(wxT("COMSPEC"));
 712     if ( !shell )
 713         shell = wxT("\\COMMAND.COM");
 714
 715     wxString cmd;
 716     if ( !command )
 717     {
 718         // just the shell
 719         cmd = shell;
 720     }
 721     else
 722     {
 723         // pass the command to execute to the command processor
 724         cmd.Printf(wxT("%s /c %s"), shell, command.c_str());
 725     }
 726
 727     return wxExecute(cmd, TRUE /* sync */) != 0;
 728 }
 729
 730 // ----------------------------------------------------------------------------
 731 // misc
 732 // ----------------------------------------------------------------------------
 733
 734 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 735 long wxGetFreeMemory()
 736 {
 737 #if defined(__WIN32__) && !defined(__BORLANDC__) && !defined(__TWIN32__)
 738     MEMORYSTATUS memStatus;
 739     memStatus.dwLength = sizeof(MEMORYSTATUS);
 740     GlobalMemoryStatus(&memStatus);
 741     return memStatus.dwAvailPhys;
 742 #else
 743     return (long)GetFreeSpace(0);
 744 #endif
 745 }
 746
 747 // Emit a beeeeeep
 748 void wxBell()
 749 {
 750     ::MessageBeep((UINT)-1);        // default sound
 751 }
 752
 753 wxString wxGetOsDescription()
 754 {
 755 #ifdef __WIN32__
 756     wxString str;
 757
 758     OSVERSIONINFO info;
 759     wxZeroMemory(info);
 760
 761     info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 762     if ( ::GetVersionEx(&info) )
 763     {
 764         switch ( info.dwPlatformId )
 765         {
 766             case VER_PLATFORM_WIN32s:
 767                 str = _("Win32s on Windows 3.1");
 768                 break;
 769
 770             case VER_PLATFORM_WIN32_WINDOWS:
 771                 str.Printf(_("Windows 9%c"),
 772                            info.dwMinorVersion == 0 ? _T('5') : _T('8'));
 773                 if ( !wxIsEmpty(info.szCSDVersion) )
 774                 {
 775                     str << _T(" (") << info.szCSDVersion << _T(')');
 776                 }
 777                 break;
 778
 779             case VER_PLATFORM_WIN32_NT:
 780                 str.Printf(_T("Windows NT %lu.%lu (build %lu"),
 781                            info.dwMajorVersion,
 782                            info.dwMinorVersion,
 783                            info.dwBuildNumber);
 784                 if ( !wxIsEmpty(info.szCSDVersion) )
 785                 {
 786                     str << _T(", ") << info.szCSDVersion;
 787                 }
 788                 str << _T(')');
 789                 break;
 790         }
 791     }
 792     else
 793     {
 794         wxFAIL_MSG( _T("GetVersionEx() failed") ); // should never happen
 795     }
 796
 797     return str;
 798 #else // Win16
 799     return _("Windows 3.1");
 800 #endif // Win32/16
 801 }
 802
 803 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 804 {
 805 #if defined(__WIN32__) && !defined(__SC__)
 806     OSVERSIONINFO info;
 807     wxZeroMemory(info);
 808
 809     info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 810     if ( ::GetVersionEx(&info) )
 811     {
 812         if (majorVsn)
 813             *majorVsn = info.dwMajorVersion;
 814         if (minorVsn)
 815             *minorVsn = info.dwMinorVersion;
 816
 817         switch ( info.dwPlatformId )
 818         {
 819             case VER_PLATFORM_WIN32s:
 820                 return wxWIN32S;
 821
 822             case VER_PLATFORM_WIN32_WINDOWS:
 823                 return wxWIN95;
 824
 825             case VER_PLATFORM_WIN32_NT:
 826                 return wxWINDOWS_NT;
 827         }
 828     }
 829
 830     return wxWINDOWS; // error if we get here, return generic value
 831 #else // Win16
 832     int retValue = wxWINDOWS;
 833     #ifdef __WINDOWS_386__
 834         retValue = wxWIN386;
 835     #else
 836         #if !defined(__WATCOMC__) && !defined(GNUWIN32) && wxUSE_PENWINDOWS
 837             extern HANDLE g_hPenWin;
 838             retValue = g_hPenWin ? wxPENWINDOWS : wxWINDOWS;
 839         #endif
 840     #endif
 841
 842     if (majorVsn)
 843         *majorVsn = 3;
 844     if (minorVsn)
 845         *minorVsn = 1;
 846
 847     return retValue;
 848 #endif
 849 }
 850
 851 // ----------------------------------------------------------------------------
 852 // sleep functions
 853 // ----------------------------------------------------------------------------
 854
 855 #if wxUSE_GUI
 856
 857 #if wxUSE_TIMER
 858
 859 // Sleep for nSecs seconds. Attempt a Windows implementation using timers.
 860 static bool gs_inTimer = FALSE;
 861
 862 class wxSleepTimer : public wxTimer
 863 {
 864 public:
 865     virtual void Notify()
 866     {
 867         gs_inTimer = FALSE;
 868         Stop();
 869     }
 870 };
 871
 872 static wxTimer *wxTheSleepTimer = NULL;
 873
 874 void wxUsleep(unsigned long milliseconds)
 875 {
 876 #ifdef __WIN32__
 877     ::Sleep(milliseconds);
 878 #else // !Win32
 879     if (gs_inTimer)
 880         return;
 881
 882     wxTheSleepTimer = new wxSleepTimer;
 883     gs_inTimer = TRUE;
 884     wxTheSleepTimer->Start(milliseconds);
 885     while (gs_inTimer)
 886     {
 887         if (wxTheApp->Pending())
 888             wxTheApp->Dispatch();
 889     }
 890     delete wxTheSleepTimer;
 891     wxTheSleepTimer = NULL;
 892 #endif // Win32/!Win32
 893 }
 894
 895 void wxSleep(int nSecs)
 896 {
 897     if (gs_inTimer)
 898         return;
 899
 900     wxTheSleepTimer = new wxSleepTimer;
 901     gs_inTimer = TRUE;
 902     wxTheSleepTimer->Start(nSecs*1000);
 903     while (gs_inTimer)
 904     {
 905         if (wxTheApp->Pending())
 906             wxTheApp->Dispatch();
 907     }
 908     delete wxTheSleepTimer;
 909     wxTheSleepTimer = NULL;
 910 }
 911
 912 // Consume all events until no more left
 913 void wxFlushEvents()
 914 {
 915 //  wxYield();
 916 }
 917
 918 #endif // wxUSE_TIMER
 919
 920 #elif defined(__WIN32__) // wxUSE_GUI
 921
 922 void wxUsleep(unsigned long milliseconds)
 923 {
 924     ::Sleep(milliseconds);
 925 }
 926
 927 void wxSleep(int nSecs)
 928 {
 929     wxUsleep(1000*nSecs);
 930 }
 931
 932 #endif // wxUSE_GUI/!wxUSE_GUI
 933 #endif
 934   // __WXMICROWIN__
 935
 936 // ----------------------------------------------------------------------------
 937 // deprecated (in favour of wxLog) log functions
 938 // ----------------------------------------------------------------------------
 939
 940 #if wxUSE_GUI
 941
 942 // Output a debug mess., in a system dependent fashion.
 943 #ifndef __WXMICROWIN__
 944 void wxDebugMsg(const wxChar *fmt ...)
 945 {
 946   va_list ap;
 947   static wxChar buffer[512];
 948
 949   if (!wxTheApp->GetWantDebugOutput())
 950     return ;
 951
 952   va_start(ap, fmt);
 953
 954   wvsprintf(buffer,fmt,ap) ;
 955   OutputDebugString((LPCTSTR)buffer) ;
 956
 957   va_end(ap);
 958 }
 959
 960 // Non-fatal error: pop up message box and (possibly) continue
 961 void wxError(const wxString& msg, const wxString& title)
 962 {
 963   wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg);
 964   if (MessageBox(NULL, (LPCTSTR)wxBuffer, (LPCTSTR)WXSTRINGCAST title,
 965              MB_ICONSTOP | MB_YESNO) == IDNO)
 966     wxExit();
 967 }
 968
 969 // Fatal error: pop up message box and abort
 970 void wxFatalError(const wxString& msg, const wxString& title)
 971 {
 972   wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg);
 973   FatalAppExit(0, (LPCTSTR)wxBuffer);
 974 }
 975 #endif // __WXMICROWIN__
 976
 977 // ----------------------------------------------------------------------------
 978 // functions to work with .INI files
 979 // ----------------------------------------------------------------------------
 980
 981 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 982 #if wxUSE_RESOURCES
 983 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 984 {
 985   if (file != wxT(""))
 986 // Don't know what the correct cast should be, but it doesn't
 987 // compile in BC++/16-bit without this cast.
 988 #if !defined(__WIN32__)
 989     return (WritePrivateProfileString((const char*) section, (const char*) entry, (const char*) value, (const char*) file) != 0);
 990 #else
 991     return (WritePrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)value, (LPCTSTR)WXSTRINGCAST file) != 0);
 992 #endif
 993   else
 994     return (WriteProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)WXSTRINGCAST value) != 0);
 995 }
 996
 997 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 998 {
 999     wxString buf;
1000     buf.Printf(wxT("%.4f"), value);
1001
1002     return wxWriteResource(section, entry, buf, file);
1003 }
1004
1005 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
1006 {
1007     wxString buf;
1008     buf.Printf(wxT("%ld"), value);
1009
1010     return wxWriteResource(section, entry, buf, file);
1011 }
1012
1013 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
1014 {
1015     wxString buf;
1016     buf.Printf(wxT("%d"), value);
1017
1018     return wxWriteResource(section, entry, buf, file);
1019 }
1020
1021 bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file)
1022 {
1023     static const wxChar defunkt[] = wxT("$$default");
1024     if (file != wxT(""))
1025     {
1026         int n = GetPrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
1027                 (LPTSTR)wxBuffer, 1000, (LPCTSTR)WXSTRINGCAST file);
1028         if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
1029             return FALSE;
1030     }
1031     else
1032     {
1033         int n = GetProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
1034                 (LPTSTR)wxBuffer, 1000);
1035         if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
1036             return FALSE;
1037     }
1038     if (*value) delete[] (*value);
1039     *value = copystring(wxBuffer);
1040     return TRUE;
1041 }
1042
1043 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
1044 {
1045     wxChar *s = NULL;
1046     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
1047     if (succ)
1048     {
1049         *value = (float)wxStrtod(s, NULL);
1050         delete[] s;
1051         return TRUE;
1052     }
1053     else return FALSE;
1054 }
1055
1056 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
1057 {
1058     wxChar *s = NULL;
1059     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
1060     if (succ)
1061     {
1062         *value = wxStrtol(s, NULL, 10);
1063         delete[] s;
1064         return TRUE;
1065     }
1066     else return FALSE;
1067 }
1068
1069 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
1070 {
1071     wxChar *s = NULL;
1072     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
1073     if (succ)
1074     {
1075         *value = (int)wxStrtol(s, NULL, 10);
1076         delete[] s;
1077         return TRUE;
1078     }
1079     else return FALSE;
1080 }
1081 #endif // wxUSE_RESOURCES
1082
1083 // ---------------------------------------------------------------------------
1084 // helper functions for showing a "busy" cursor
1085 // ---------------------------------------------------------------------------
1086
1087 static HCURSOR gs_wxBusyCursor = 0;     // new, busy cursor
1088 static HCURSOR gs_wxBusyCursorOld = 0;  // old cursor
1089 static int gs_wxBusyCursorCount = 0;
1090
1091 extern HCURSOR wxGetCurrentBusyCursor()
1092 {
1093     return gs_wxBusyCursor;
1094 }
1095
1096 // Set the cursor to the busy cursor for all windows
1097 void wxBeginBusyCursor(wxCursor *cursor)
1098 {
1099     if ( gs_wxBusyCursorCount++ == 0 )
1100     {
1101         gs_wxBusyCursor = (HCURSOR)cursor->GetHCURSOR();
1102 #ifndef __WXMICROWIN__
1103         gs_wxBusyCursorOld = ::SetCursor(gs_wxBusyCursor);
1104 #endif
1105     }
1106     //else: nothing to do, already set
1107 }
1108
1109 // Restore cursor to normal
1110 void wxEndBusyCursor()
1111 {
1112     wxCHECK_RET( gs_wxBusyCursorCount > 0,
1113                  wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
1114
1115     if ( --gs_wxBusyCursorCount == 0 )
1116     {
1117 #ifndef __WXMICROWIN__
1118         ::SetCursor(gs_wxBusyCursorOld);
1119 #endif
1120         gs_wxBusyCursorOld = 0;
1121     }
1122 }
1123
1124 // TRUE if we're between the above two calls
1125 bool wxIsBusy()
1126 {
1127   return (gs_wxBusyCursorCount > 0);
1128 }
1129
1130 // Check whether this window wants to process messages, e.g. Stop button
1131 // in long calculations.
1132 bool wxCheckForInterrupt(wxWindow *wnd)
1133 {
1134     wxCHECK( wnd, FALSE );
1135
1136     MSG msg;
1137     while ( ::PeekMessage(&msg, GetHwndOf(wnd), 0, 0, PM_REMOVE) )
1138     {
1139         ::TranslateMessage(&msg);
1140         ::DispatchMessage(&msg);
1141     }
1142
1143     return TRUE;
1144 }
1145
1146 // MSW only: get user-defined resource from the .res file.
1147 // Returns NULL or newly-allocated memory, so use delete[] to clean up.
1148
1149 #ifndef __WXMICROWIN__
1150 wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType)
1151 {
1152     HRSRC hResource = ::FindResource(wxGetInstance(), resourceName, resourceType);
1153     if ( hResource == 0 )
1154         return NULL;
1155
1156     HGLOBAL hData = ::LoadResource(wxGetInstance(), hResource);
1157     if ( hData == 0 )
1158         return NULL;
1159
1160     wxChar *theText = (wxChar *)::LockResource(hData);
1161     if ( !theText )
1162         return NULL;
1163
1164     // Not all compilers put a zero at the end of the resource (e.g. BC++ doesn't).
1165     // so we need to find the length of the resource.
1166     int len = ::SizeofResource(wxGetInstance(), hResource);
1167     wxChar  *s = new wxChar[len+1];
1168     wxStrncpy(s,theText,len);
1169     s[len]=0;
1170
1171     // wxChar *s = copystring(theText);
1172
1173     // Obsolete in WIN32
1174 #ifndef __WIN32__
1175     UnlockResource(hData);
1176 #endif
1177
1178     // No need??
1179     //  GlobalFree(hData);
1180
1181     return s;
1182 }
1183 #endif
1184
1185 // ----------------------------------------------------------------------------
1186 // get display info
1187 // ----------------------------------------------------------------------------
1188
1189 // See also the wxGetMousePosition in window.cpp
1190 // Deprecated: use wxPoint wxGetMousePosition() instead
1191 void wxGetMousePosition( int* x, int* y )
1192 {
1193     POINT pt;
1194     GetCursorPos( & pt );
1195     if ( x ) *x = pt.x;
1196     if ( y ) *y = pt.y;
1197 };
1198
1199 // Return TRUE if we have a colour display
1200 bool wxColourDisplay()
1201 {
1202 #ifdef __WXMICROWIN__
1203     // MICROWIN_TODO
1204     return TRUE;
1205 #else
1206     // this function is called from wxDC ctor so it is called a *lot* of times
1207     // hence we optimize it a bit but doign the check only once
1208     //
1209     // this should be MT safe as only the GUI thread (holding the GUI mutex)
1210     // can call us
1211     static int s_isColour = -1;
1212
1213     if ( s_isColour == -1 )
1214     {
1215         ScreenHDC dc;
1216         int noCols = ::GetDeviceCaps(dc, NUMCOLORS);
1217
1218         s_isColour = (noCols == -1) || (noCols > 2);
1219     }
1220
1221     return s_isColour != 0;
1222 #endif
1223 }
1224
1225 // Returns depth of screen
1226 int wxDisplayDepth()
1227 {
1228     ScreenHDC dc;
1229     return GetDeviceCaps(dc, PLANES) * GetDeviceCaps(dc, BITSPIXEL);
1230 }
1231
1232 // Get size of display
1233 void wxDisplaySize(int *width, int *height)
1234 {
1235 #ifdef __WXMICROWIN__
1236     RECT rect;
1237     HWND hWnd = GetDesktopWindow();
1238     ::GetWindowRect(hWnd, & rect);
1239
1240     *width = rect.right - rect.left;
1241     *height = rect.bottom - rect.top;
1242 #else
1243     ScreenHDC dc;
1244
1245     if ( width ) *width = GetDeviceCaps(dc, HORZRES);
1246     if ( height ) *height = GetDeviceCaps(dc, VERTRES);
1247 #endif
1248 }
1249
1250 void wxDisplaySizeMM(int *width, int *height)
1251 {
1252 #ifdef __WXMICROWIN__
1253     // MICROWIN_TODO
1254     *width = 0; * height = 0;
1255 #else
1256     ScreenHDC dc;
1257
1258     if ( width ) *width = GetDeviceCaps(dc, HORZSIZE);
1259     if ( height ) *height = GetDeviceCaps(dc, VERTSIZE);
1260 #endif
1261 }
1262
1263 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
1264 {
1265 #if defined(__WIN16__) || defined(__WXMICROWIN__)
1266     *x = 0; *y = 0;
1267     wxDisplaySize(width, height);
1268 #else
1269     // Determine the desktop dimensions minus the taskbar and any other
1270     // special decorations...
1271     RECT r;
1272
1273     SystemParametersInfo(SPI_GETWORKAREA, 0, &r, 0);
1274     if (x)      *x = r.left;
1275     if (y)      *y = r.top;
1276     if (width)  *width = r.right - r.left;
1277     if (height) *height = r.bottom - r.top;
1278 #endif
1279 }
1280
1281
1282 // ---------------------------------------------------------------------------
1283 // window information functions
1284 // ---------------------------------------------------------------------------
1285
1286 wxString WXDLLEXPORT wxGetWindowText(WXHWND hWnd)
1287 {
1288     wxString str;
1289     int len = GetWindowTextLength((HWND)hWnd) + 1;
1290     GetWindowText((HWND)hWnd, str.GetWriteBuf(len), len);
1291     str.UngetWriteBuf();
1292
1293     return str;
1294 }
1295
1296 wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd)
1297 {
1298 #ifdef __WXMICROWIN__
1299     // MICROWIN_TODO
1300     return wxEmptyString;
1301 #else
1302     wxString str;
1303
1304     int len = 256; // some starting value
1305
1306     for ( ;; )
1307     {
1308         // as we've #undefined GetClassName we must now manually choose the
1309         // right function to call
1310         int count =
1311
1312         #ifndef __WIN32__
1313             GetClassName
1314         #else // Win32
1315             #ifdef UNICODE
1316                 GetClassNameW
1317             #else // !Unicode
1318                 #ifdef __TWIN32__
1319                     GetClassName
1320                 #else // !Twin32
1321                     GetClassNameA
1322                 #endif // Twin32/!Twin32
1323             #endif // Unicode/ANSI
1324         #endif // Win16/32
1325                                     ((HWND)hWnd, str.GetWriteBuf(len), len);
1326
1327         str.UngetWriteBuf();
1328         if ( count == len )
1329         {
1330             // the class name might have been truncated, retry with larger
1331             // buffer
1332             len *= 2;
1333         }
1334         else
1335         {
1336             break;
1337         }
1338     }
1339
1340     return str;
1341 #endif
1342 }
1343
1344 WXWORD WXDLLEXPORT wxGetWindowId(WXHWND hWnd)
1345 {
1346 #ifndef __WIN32__
1347     return (WXWORD)GetWindowWord((HWND)hWnd, GWW_ID);
1348 #else // Win32
1349     return (WXWORD)GetWindowLong((HWND)hWnd, GWL_ID);
1350 #endif // Win16/32
1351 }
1352
1353 #endif // wxUSE_GUI
1354
1355 #if wxUSE_GUI
1356
1357 // ----------------------------------------------------------------------------
1358 // Metafile helpers
1359 // ----------------------------------------------------------------------------
1360
1361 extern void PixelToHIMETRIC(LONG *x, LONG *y)
1362 {
1363     ScreenHDC hdcRef;
1364
1365     int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE),
1366         iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE),
1367         iWidthPels = GetDeviceCaps(hdcRef, HORZRES),
1368         iHeightPels = GetDeviceCaps(hdcRef, VERTRES);
1369
1370     *x *= (iWidthMM * 100);
1371     *x /= iWidthPels;
1372     *y *= (iHeightMM * 100);
1373     *y /= iHeightPels;
1374 }
1375
1376 extern void HIMETRICToPixel(LONG *x, LONG *y)
1377 {
1378     ScreenHDC hdcRef;
1379
1380     int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE),
1381         iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE),
1382         iWidthPels = GetDeviceCaps(hdcRef, HORZRES),
1383         iHeightPels = GetDeviceCaps(hdcRef, VERTRES);
1384
1385     *x *= iWidthPels;
1386     *x /= (iWidthMM * 100);
1387     *y *= iHeightPels;
1388     *y /= (iHeightMM * 100);
1389 }
1390
1391 #endif // wxUSE_GUI
1392
1393 #if 0
1394 //------------------------------------------------------------------------
1395 // wild character routines
1396 //------------------------------------------------------------------------
1397
1398 bool wxIsWild( const wxString& pattern )
1399 {
1400   wxString tmp = pattern;
1401   char *pat = WXSTRINGCAST(tmp);
1402     while (*pat) {
1403   switch (*pat++) {
1404   case '?': case '*': case '[': case '{':
1405       return TRUE;
1406   case '\\':
1407       if (!*pat++)
1408     return FALSE;
1409   }
1410     }
1411     return FALSE;
1412 };
1413
1414
1415 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1416 {
1417   wxString tmp1 = pat;
1418   char *pattern = WXSTRINGCAST(tmp1);
1419   wxString tmp2 = text;
1420   char *str = WXSTRINGCAST(tmp2);
1421     char c;
1422     char *cp;
1423     bool done = FALSE, ret_code, ok;
1424     // Below is for vi fans
1425     const char OB = '{', CB = '}';
1426
1427     // dot_special means '.' only matches '.'
1428     if (dot_special && *str == '.' && *pattern != *str)
1429   return FALSE;
1430
1431     while ((*pattern != '\0') && (!done)
1432     && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) {
1433   switch (*pattern) {
1434   case '\\':
1435       pattern++;
1436       if (*pattern != '\0')
1437     pattern++;
1438       break;
1439   case '*':
1440       pattern++;
1441       ret_code = FALSE;
1442       while ((*str!='\0')
1443       && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1444     /*loop*/;
1445       if (ret_code) {
1446     while (*str != '\0')
1447         str++;
1448     while (*pattern != '\0')
1449         pattern++;
1450       }
1451       break;
1452   case '[':
1453       pattern++;
1454     repeat:
1455       if ((*pattern == '\0') || (*pattern == ']')) {
1456     done = TRUE;
1457     break;
1458       }
1459       if (*pattern == '\\') {
1460     pattern++;
1461     if (*pattern == '\0') {
1462         done = TRUE;
1463         break;
1464     }
1465       }
1466       if (*(pattern + 1) == '-') {
1467     c = *pattern;
1468     pattern += 2;
1469     if (*pattern == ']') {
1470         done = TRUE;
1471         break;
1472     }
1473     if (*pattern == '\\') {
1474         pattern++;
1475         if (*pattern == '\0') {
1476       done = TRUE;
1477       break;
1478         }
1479     }
1480     if ((*str < c) || (*str > *pattern)) {
1481         pattern++;
1482         goto repeat;
1483     }
1484       } else if (*pattern != *str) {
1485     pattern++;
1486     goto repeat;
1487       }
1488       pattern++;
1489       while ((*pattern != ']') && (*pattern != '\0')) {
1490     if ((*pattern == '\\') && (*(pattern + 1) != '\0'))
1491         pattern++;
1492     pattern++;
1493       }
1494       if (*pattern != '\0') {
1495     pattern++, str++;
1496       }
1497       break;
1498   case '?':
1499       pattern++;
1500       str++;
1501       break;
1502   case OB:
1503       pattern++;
1504       while ((*pattern != CB) && (*pattern != '\0')) {
1505     cp = str;
1506     ok = TRUE;
1507     while (ok && (*cp != '\0') && (*pattern != '\0')
1508     &&  (*pattern != ',') && (*pattern != CB)) {
1509         if (*pattern == '\\')
1510       pattern++;
1511         ok = (*pattern++ == *cp++);
1512     }
1513     if (*pattern == '\0') {
1514         ok = FALSE;
1515         done = TRUE;
1516         break;
1517     } else if (ok) {
1518         str = cp;
1519         while ((*pattern != CB) && (*pattern != '\0')) {
1520       if (*++pattern == '\\') {
1521           if (*++pattern == CB)
1522         pattern++;
1523       }
1524         }
1525     } else {
1526         while (*pattern!=CB && *pattern!=',' && *pattern!='\0') {
1527       if (*++pattern == '\\') {
1528                             if (*++pattern == CB || *pattern == ',')
1529         pattern++;
1530       }
1531         }
1532     }
1533     if (*pattern != '\0')
1534         pattern++;
1535       }
1536       break;
1537   default:
1538       if (*str == *pattern) {
1539     str++, pattern++;
1540       } else {
1541     done = TRUE;
1542       }
1543   }
1544     }
1545     while (*pattern == '*')
1546   pattern++;
1547     return ((*str == '\0') && (*pattern == '\0'));
1548 };
1549
1550 #endif // 0
1551
1552 #if 0
1553
1554 // maximum mumber of lines the output console should have
1555 static const WORD MAX_CONSOLE_LINES = 500;
1556
1557 BOOL WINAPI MyConsoleHandler( DWORD dwCtrlType ) {   //  control signal type
1558   FreeConsole();
1559   return TRUE;
1560 }
1561
1562 void wxRedirectIOToConsole()
1563 {
1564     int                        hConHandle;
1565     long                       lStdHandle;
1566     CONSOLE_SCREEN_BUFFER_INFO coninfo;
1567     FILE                       *fp;
1568
1569     // allocate a console for this app
1570     AllocConsole();
1571
1572     // set the screen buffer to be big enough to let us scroll text
1573     GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE),
1574                                &coninfo);
1575     coninfo.dwSize.Y = MAX_CONSOLE_LINES;
1576     SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),
1577                                coninfo.dwSize);
1578
1579     // redirect unbuffered STDOUT to the console
1580     lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
1581     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1582     if(hConHandle <= 0) return;
1583     fp = _fdopen( hConHandle, "w" );
1584     *stdout = *fp;
1585     setvbuf( stdout, NULL, _IONBF, 0 );
1586
1587     // redirect unbuffered STDIN to the console
1588     lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);
1589     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1590     if(hConHandle <= 0) return;
1591     fp = _fdopen( hConHandle, "r" );
1592     *stdin = *fp;
1593     setvbuf( stdin, NULL, _IONBF, 0 );
1594
1595     // redirect unbuffered STDERR to the console
1596     lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);
1597     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1598     if(hConHandle <= 0) return;
1599     fp = _fdopen( hConHandle, "w" );
1600     *stderr = *fp;
1601     setvbuf( stderr, NULL, _IONBF, 0 );
1602
1603     // make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog
1604     // point to console as well
1605     ios::sync_with_stdio();
1606
1607     SetConsoleCtrlHandler(MyConsoleHandler, TRUE);
1608 }
1609 #else
1610 // Not supported
1611 void wxRedirectIOToConsole()
1612 {
1613 }
1614 #endif
1615
1616 #ifdef __WXMICROWIN__
1617 int wxGetOsVersion(int *majorVsn, int *minorVsn)
1618 {
1619     // MICROWIN_TODO
1620     if (majorVsn) *majorVsn = 0;
1621     if (minorVsn) *minorVsn = 0;
1622     return wxUNIX;
1623 }
1624 #endif
1625