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