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 bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 453 {
 454     if ( path.empty() )
 455         return FALSE;
 456
 457 #ifdef __WIN32__
 458     // GetDiskFreeSpaceEx() is not available under original Win95, check for
 459     // it
 460     typedef BOOL (*GetDiskFreeSpaceEx_t)(LPCTSTR,
 461                                          PULARGE_INTEGER,
 462                                          PULARGE_INTEGER,
 463                                          PULARGE_INTEGER);
 464
 465     GetDiskFreeSpaceEx_t
 466         pGetDiskFreeSpaceEx = (GetDiskFreeSpaceEx_t)::GetProcAddress
 467                               (
 468                                 ::GetModuleHandle(_T("kernel32.dll")),
 469 #if wxUSE_UNICODE
 470                                 "GetDiskFreeSpaceExW"
 471 #else
 472                                 "GetDiskFreeSpaceExA"
 473 #endif
 474                               );
 475
 476     if ( pGetDiskFreeSpaceEx )
 477     {
 478         ULARGE_INTEGER bytesFree, bytesTotal;
 479
 480         // may pass the path as is, GetDiskFreeSpaceEx() is smart enough
 481         if ( !pGetDiskFreeSpaceEx(path,
 482                                   &bytesFree,
 483                                   &bytesTotal,
 484                                   NULL) )
 485         {
 486             wxLogLastError(_T("GetDiskFreeSpaceEx"));
 487
 488             return FALSE;
 489         }
 490
 491         if ( pTotal )
 492         {
 493             *pTotal = wxLongLong(bytesTotal.HighPart, bytesTotal.LowPart);
 494         }
 495
 496         if ( pFree )
 497         {
 498             *pFree = wxLongLong(bytesFree.HighPart, bytesFree.LowPart);
 499         }
 500     }
 501     else
 502 #endif // Win32
 503     {
 504         // there's a problem with drives larger than 2GB, GetDiskFreeSpaceEx()
 505         // should be used instead - but if it's not available, fall back on
 506         // GetDiskFreeSpace() nevertheless...
 507
 508         DWORD lSectorsPerCluster,
 509               lBytesPerSector,
 510               lNumberOfFreeClusters,
 511               lTotalNumberOfClusters;
 512
 513         // FIXME: this is wrong, we should extract the root drive from path
 514         //        instead, but this is the job for wxFileName...
 515         if ( !::GetDiskFreeSpace(path,
 516                                  &lSectorsPerCluster,
 517                                  &lBytesPerSector,
 518                                  &lNumberOfFreeClusters,
 519                                  &lTotalNumberOfClusters) )
 520         {
 521             wxLogLastError(_T("GetDiskFreeSpace"));
 522
 523             return FALSE;
 524         }
 525
 526         wxLongLong lBytesPerCluster = lSectorsPerCluster;
 527         lBytesPerCluster *= lBytesPerSector;
 528
 529         if ( pTotal )
 530         {
 531             *pTotal = lBytesPerCluster;
 532             *pTotal *= lTotalNumberOfClusters;
 533         }
 534
 535         if ( pFree )
 536         {
 537             *pFree = lBytesPerCluster;
 538             *pFree *= lNumberOfFreeClusters;
 539         }
 540     }
 541
 542     return TRUE;
 543 }
 544
 545 // ----------------------------------------------------------------------------
 546 // env vars
 547 // ----------------------------------------------------------------------------
 548
 549 bool wxGetEnv(const wxString& var, wxString *value)
 550 {
 551 #ifdef __WIN16__
 552     const wxChar* ret = wxGetenv(var);
 553     if (ret)
 554     {
 555         *value = ret;
 556         return TRUE;
 557     }
 558     else
 559         return FALSE;
 560 #else
 561     // first get the size of the buffer
 562     DWORD dwRet = ::GetEnvironmentVariable(var, NULL, 0);
 563     if ( !dwRet )
 564     {
 565         // this means that there is no such variable
 566         return FALSE;
 567     }
 568
 569     if ( value )
 570     {
 571         (void)::GetEnvironmentVariable(var, value->GetWriteBuf(dwRet), dwRet);
 572         value->UngetWriteBuf();
 573     }
 574
 575     return TRUE;
 576 #endif
 577 }
 578
 579 bool wxSetEnv(const wxString& var, const wxChar *value)
 580 {
 581     // some compilers have putenv() or _putenv() or _wputenv() but it's better
 582     // to always use Win32 function directly instead of dealing with them
 583 #if defined(__WIN32__)
 584     if ( !::SetEnvironmentVariable(var, value) )
 585     {
 586         wxLogLastError(_T("SetEnvironmentVariable"));
 587
 588         return FALSE;
 589     }
 590
 591     return TRUE;
 592 #else // no way to set env vars
 593     return FALSE;
 594 #endif
 595 }
 596
 597 // ----------------------------------------------------------------------------
 598 // process management
 599 // ----------------------------------------------------------------------------
 600
 601 #ifdef __WIN32__
 602
 603 // structure used to pass parameters from wxKill() to wxEnumFindByPidProc()
 604 struct wxFindByPidParams
 605 {
 606     wxFindByPidParams() { hwnd = 0; pid = 0; }
 607
 608     // the HWND used to return the result
 609     HWND hwnd;
 610
 611     // the PID we're looking from
 612     DWORD pid;
 613 };
 614
 615 // wxKill helper: EnumWindows() callback which is used to find the first (top
 616 // level) window belonging to the given process
 617 BOOL CALLBACK wxEnumFindByPidProc(HWND hwnd, LPARAM lParam)
 618 {
 619     DWORD pid;
 620     (void)::GetWindowThreadProcessId(hwnd, &pid);
 621
 622     wxFindByPidParams *params = (wxFindByPidParams *)lParam;
 623     if ( pid == params->pid )
 624     {
 625         // remember the window we found
 626         params->hwnd = hwnd;
 627
 628         // return FALSE to stop the enumeration
 629         return FALSE;
 630     }
 631
 632     // continue enumeration
 633     return TRUE;
 634 }
 635
 636 #endif // __WIN32__
 637
 638 int wxKill(long pid, wxSignal sig, wxKillError *krc)
 639 {
 640 #ifdef __WIN32__
 641     // get the process handle to operate on
 642     HANDLE hProcess = ::OpenProcess(SYNCHRONIZE |
 643                                     PROCESS_TERMINATE |
 644                                     PROCESS_QUERY_INFORMATION,
 645                                     FALSE, // not inheritable
 646                                     (DWORD)pid);
 647     if ( hProcess == NULL )
 648     {
 649         if ( krc )
 650         {
 651             if ( ::GetLastError() == ERROR_ACCESS_DENIED )
 652             {
 653                 *krc = wxKILL_ACCESS_DENIED;
 654             }
 655             else
 656             {
 657                 *krc = wxKILL_NO_PROCESS;
 658             }
 659         }
 660
 661         return -1;
 662     }
 663
 664     bool ok = TRUE;
 665     switch ( sig )
 666     {
 667         case wxSIGKILL:
 668             // kill the process forcefully returning -1 as error code
 669             if ( !::TerminateProcess(hProcess, (UINT)-1) )
 670             {
 671                 wxLogSysError(_("Failed to kill process %d"), pid);
 672
 673                 if ( krc )
 674                 {
 675                     // this is not supposed to happen if we could open the
 676                     // process
 677                     *krc = wxKILL_ERROR;
 678                 }
 679
 680                 ok = FALSE;
 681             }
 682             break;
 683
 684         case wxSIGNONE:
 685             // do nothing, we just want to test for process existence
 686             break;
 687
 688         default:
 689             // any other signal means "terminate"
 690             {
 691                 wxFindByPidParams params;
 692                 params.pid = (DWORD)pid;
 693
 694                 // EnumWindows() has nice semantics: it returns 0 if it found
 695                 // something or if an error occured and non zero if it
 696                 // enumerated all the window
 697                 if ( !::EnumWindows(wxEnumFindByPidProc, (LPARAM)&params) )
 698                 {
 699                     // did we find any window?
 700                     if ( params.hwnd )
 701                     {
 702                         // tell the app to close
 703                         //
 704                         // NB: this is the harshest way, the app won't have
 705                         //     opportunity to save any files, for example, but
 706                         //     this is probably what we want here. If not we
 707                         //     can also use SendMesageTimeout(WM_CLOSE)
 708                         if ( !::PostMessage(params.hwnd, WM_QUIT, 0, 0) )
 709                         {
 710                             wxLogLastError(_T("PostMessage(WM_QUIT)"));
 711                         }
 712                     }
 713                     else // it was an error then
 714                     {
 715                         wxLogLastError(_T("EnumWindows"));
 716
 717                         ok = FALSE;
 718                     }
 719                 }
 720                 else // no windows for this PID
 721                 {
 722                     if ( krc )
 723                     {
 724                         *krc = wxKILL_ERROR;
 725                     }
 726
 727                     ok = FALSE;
 728                 }
 729             }
 730     }
 731
 732     // the return code
 733     DWORD rc;
 734
 735     if ( ok )
 736     {
 737         // as we wait for a short time, we can use just WaitForSingleObject()
 738         // and not MsgWaitForMultipleObjects()
 739         switch ( ::WaitForSingleObject(hProcess, 500 /* msec */) )
 740         {
 741             case WAIT_OBJECT_0:
 742                 // process terminated
 743                 if ( !::GetExitCodeProcess(hProcess, &rc) )
 744                 {
 745                     wxLogLastError(_T("GetExitCodeProcess"));
 746                 }
 747                 break;
 748
 749             default:
 750                 wxFAIL_MSG( _T("unexpected WaitForSingleObject() return") );
 751                 // fall through
 752
 753             case WAIT_FAILED:
 754                 wxLogLastError(_T("WaitForSingleObject"));
 755                 // fall through
 756
 757             case WAIT_TIMEOUT:
 758                 if ( krc )
 759                 {
 760                     *krc = wxKILL_ERROR;
 761                 }
 762
 763                 rc = STILL_ACTIVE;
 764                 break;
 765         }
 766     }
 767     else // !ok
 768     {
 769         // just to suppress the warnings about uninitialized variable
 770         rc = 0;
 771     }
 772
 773     ::CloseHandle(hProcess);
 774
 775     // the return code is the same as from Unix kill(): 0 if killed
 776     // successfully or -1 on error
 777     if ( sig == wxSIGNONE )
 778     {
 779         if ( ok && rc == STILL_ACTIVE )
 780         {
 781             // there is such process => success
 782             return 0;
 783         }
 784     }
 785     else // not SIGNONE
 786     {
 787         if ( ok && rc != STILL_ACTIVE )
 788         {
 789             // killed => success
 790             return 0;
 791         }
 792     }
 793 #else // Win15
 794     wxFAIL_MSG( _T("not implemented") );
 795 #endif // Win32/Win16
 796
 797     // error
 798     return -1;
 799 }
 800
 801 // Execute a program in an Interactive Shell
 802 bool wxShell(const wxString& command)
 803 {
 804     wxChar *shell = wxGetenv(wxT("COMSPEC"));
 805     if ( !shell )
 806         shell = wxT("\\COMMAND.COM");
 807
 808     wxString cmd;
 809     if ( !command )
 810     {
 811         // just the shell
 812         cmd = shell;
 813     }
 814     else
 815     {
 816         // pass the command to execute to the command processor
 817         cmd.Printf(wxT("%s /c %s"), shell, command.c_str());
 818     }
 819
 820     return wxExecute(cmd, TRUE /* sync */) != 0;
 821 }
 822
 823 // ----------------------------------------------------------------------------
 824 // misc
 825 // ----------------------------------------------------------------------------
 826
 827 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 828 long wxGetFreeMemory()
 829 {
 830 #if defined(__WIN32__) && !defined(__BORLANDC__) && !defined(__TWIN32__)
 831     MEMORYSTATUS memStatus;
 832     memStatus.dwLength = sizeof(MEMORYSTATUS);
 833     GlobalMemoryStatus(&memStatus);
 834     return memStatus.dwAvailPhys;
 835 #else
 836     return (long)GetFreeSpace(0);
 837 #endif
 838 }
 839
 840 // Emit a beeeeeep
 841 void wxBell()
 842 {
 843     ::MessageBeep((UINT)-1);        // default sound
 844 }
 845
 846 wxString wxGetOsDescription()
 847 {
 848 #ifdef __WIN32__
 849     wxString str;
 850
 851     OSVERSIONINFO info;
 852     wxZeroMemory(info);
 853
 854     info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 855     if ( ::GetVersionEx(&info) )
 856     {
 857         switch ( info.dwPlatformId )
 858         {
 859             case VER_PLATFORM_WIN32s:
 860                 str = _("Win32s on Windows 3.1");
 861                 break;
 862
 863             case VER_PLATFORM_WIN32_WINDOWS:
 864                 str.Printf(_("Windows 9%c"),
 865                            info.dwMinorVersion == 0 ? _T('5') : _T('8'));
 866                 if ( !wxIsEmpty(info.szCSDVersion) )
 867                 {
 868                     str << _T(" (") << info.szCSDVersion << _T(')');
 869                 }
 870                 break;
 871
 872             case VER_PLATFORM_WIN32_NT:
 873                 str.Printf(_T("Windows NT %lu.%lu (build %lu"),
 874                            info.dwMajorVersion,
 875                            info.dwMinorVersion,
 876                            info.dwBuildNumber);
 877                 if ( !wxIsEmpty(info.szCSDVersion) )
 878                 {
 879                     str << _T(", ") << info.szCSDVersion;
 880                 }
 881                 str << _T(')');
 882                 break;
 883         }
 884     }
 885     else
 886     {
 887         wxFAIL_MSG( _T("GetVersionEx() failed") ); // should never happen
 888     }
 889
 890     return str;
 891 #else // Win16
 892     return _("Windows 3.1");
 893 #endif // Win32/16
 894 }
 895
 896 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 897 {
 898 #if defined(__WIN32__) && !defined(__SC__)
 899     OSVERSIONINFO info;
 900     wxZeroMemory(info);
 901
 902     info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 903     if ( ::GetVersionEx(&info) )
 904     {
 905         if (majorVsn)
 906             *majorVsn = info.dwMajorVersion;
 907         if (minorVsn)
 908             *minorVsn = info.dwMinorVersion;
 909
 910         switch ( info.dwPlatformId )
 911         {
 912             case VER_PLATFORM_WIN32s:
 913                 return wxWIN32S;
 914
 915             case VER_PLATFORM_WIN32_WINDOWS:
 916                 return wxWIN95;
 917
 918             case VER_PLATFORM_WIN32_NT:
 919                 return wxWINDOWS_NT;
 920         }
 921     }
 922
 923     return wxWINDOWS; // error if we get here, return generic value
 924 #else // Win16
 925     int retValue = wxWINDOWS;
 926     #ifdef __WINDOWS_386__
 927         retValue = wxWIN386;
 928     #else
 929         #if !defined(__WATCOMC__) && !defined(GNUWIN32) && wxUSE_PENWINDOWS
 930             extern HANDLE g_hPenWin;
 931             retValue = g_hPenWin ? wxPENWINDOWS : wxWINDOWS;
 932         #endif
 933     #endif
 934
 935     if (majorVsn)
 936         *majorVsn = 3;
 937     if (minorVsn)
 938         *minorVsn = 1;
 939
 940     return retValue;
 941 #endif
 942 }
 943
 944 // ----------------------------------------------------------------------------
 945 // sleep functions
 946 // ----------------------------------------------------------------------------
 947
 948 #if wxUSE_GUI
 949
 950 #if wxUSE_TIMER
 951
 952 // Sleep for nSecs seconds. Attempt a Windows implementation using timers.
 953 static bool gs_inTimer = FALSE;
 954
 955 class wxSleepTimer : public wxTimer
 956 {
 957 public:
 958     virtual void Notify()
 959     {
 960         gs_inTimer = FALSE;
 961         Stop();
 962     }
 963 };
 964
 965 static wxTimer *wxTheSleepTimer = NULL;
 966
 967 void wxUsleep(unsigned long milliseconds)
 968 {
 969 #ifdef __WIN32__
 970     ::Sleep(milliseconds);
 971 #else // !Win32
 972     if (gs_inTimer)
 973         return;
 974
 975     wxTheSleepTimer = new wxSleepTimer;
 976     gs_inTimer = TRUE;
 977     wxTheSleepTimer->Start(milliseconds);
 978     while (gs_inTimer)
 979     {
 980         if (wxTheApp->Pending())
 981             wxTheApp->Dispatch();
 982     }
 983     delete wxTheSleepTimer;
 984     wxTheSleepTimer = NULL;
 985 #endif // Win32/!Win32
 986 }
 987
 988 void wxSleep(int nSecs)
 989 {
 990     if (gs_inTimer)
 991         return;
 992
 993     wxTheSleepTimer = new wxSleepTimer;
 994     gs_inTimer = TRUE;
 995     wxTheSleepTimer->Start(nSecs*1000);
 996     while (gs_inTimer)
 997     {
 998         if (wxTheApp->Pending())
 999             wxTheApp->Dispatch();
1000     }
1001     delete wxTheSleepTimer;
1002     wxTheSleepTimer = NULL;
1003 }
1004
1005 // Consume all events until no more left
1006 void wxFlushEvents()
1007 {
1008 //  wxYield();
1009 }
1010
1011 #endif // wxUSE_TIMER
1012
1013 #elif defined(__WIN32__) // wxUSE_GUI
1014
1015 void wxUsleep(unsigned long milliseconds)
1016 {
1017     ::Sleep(milliseconds);
1018 }
1019
1020 void wxSleep(int nSecs)
1021 {
1022     wxUsleep(1000*nSecs);
1023 }
1024
1025 #endif // wxUSE_GUI/!wxUSE_GUI
1026 #endif
1027   // __WXMICROWIN__
1028
1029 // ----------------------------------------------------------------------------
1030 // deprecated (in favour of wxLog) log functions
1031 // ----------------------------------------------------------------------------
1032
1033 #if wxUSE_GUI
1034
1035 // Output a debug mess., in a system dependent fashion.
1036 #ifndef __WXMICROWIN__
1037 void wxDebugMsg(const wxChar *fmt ...)
1038 {
1039   va_list ap;
1040   static wxChar buffer[512];
1041
1042   if (!wxTheApp->GetWantDebugOutput())
1043     return ;
1044
1045   va_start(ap, fmt);
1046
1047   wvsprintf(buffer,fmt,ap) ;
1048   OutputDebugString((LPCTSTR)buffer) ;
1049
1050   va_end(ap);
1051 }
1052
1053 // Non-fatal error: pop up message box and (possibly) continue
1054 void wxError(const wxString& msg, const wxString& title)
1055 {
1056   wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg);
1057   if (MessageBox(NULL, (LPCTSTR)wxBuffer, (LPCTSTR)WXSTRINGCAST title,
1058              MB_ICONSTOP | MB_YESNO) == IDNO)
1059     wxExit();
1060 }
1061
1062 // Fatal error: pop up message box and abort
1063 void wxFatalError(const wxString& msg, const wxString& title)
1064 {
1065   wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg);
1066   FatalAppExit(0, (LPCTSTR)wxBuffer);
1067 }
1068 #endif // __WXMICROWIN__
1069
1070 // ----------------------------------------------------------------------------
1071 // functions to work with .INI files
1072 // ----------------------------------------------------------------------------
1073
1074 // Reading and writing resources (eg WIN.INI, .Xdefaults)
1075 #if wxUSE_RESOURCES
1076 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
1077 {
1078   if (file != wxT(""))
1079 // Don't know what the correct cast should be, but it doesn't
1080 // compile in BC++/16-bit without this cast.
1081 #if !defined(__WIN32__)
1082     return (WritePrivateProfileString((const char*) section, (const char*) entry, (const char*) value, (const char*) file) != 0);
1083 #else
1084     return (WritePrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)value, (LPCTSTR)WXSTRINGCAST file) != 0);
1085 #endif
1086   else
1087     return (WriteProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)WXSTRINGCAST value) != 0);
1088 }
1089
1090 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
1091 {
1092     wxString buf;
1093     buf.Printf(wxT("%.4f"), value);
1094
1095     return wxWriteResource(section, entry, buf, file);
1096 }
1097
1098 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
1099 {
1100     wxString buf;
1101     buf.Printf(wxT("%ld"), value);
1102
1103     return wxWriteResource(section, entry, buf, file);
1104 }
1105
1106 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
1107 {
1108     wxString buf;
1109     buf.Printf(wxT("%d"), value);
1110
1111     return wxWriteResource(section, entry, buf, file);
1112 }
1113
1114 bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file)
1115 {
1116     static const wxChar defunkt[] = wxT("$$default");
1117     if (file != wxT(""))
1118     {
1119         int n = GetPrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
1120                 (LPTSTR)wxBuffer, 1000, (LPCTSTR)WXSTRINGCAST file);
1121         if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
1122             return FALSE;
1123     }
1124     else
1125     {
1126         int n = GetProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
1127                 (LPTSTR)wxBuffer, 1000);
1128         if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
1129             return FALSE;
1130     }
1131     if (*value) delete[] (*value);
1132     *value = copystring(wxBuffer);
1133     return TRUE;
1134 }
1135
1136 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
1137 {
1138     wxChar *s = NULL;
1139     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
1140     if (succ)
1141     {
1142         *value = (float)wxStrtod(s, NULL);
1143         delete[] s;
1144         return TRUE;
1145     }
1146     else return FALSE;
1147 }
1148
1149 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
1150 {
1151     wxChar *s = NULL;
1152     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
1153     if (succ)
1154     {
1155         *value = wxStrtol(s, NULL, 10);
1156         delete[] s;
1157         return TRUE;
1158     }
1159     else return FALSE;
1160 }
1161
1162 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
1163 {
1164     wxChar *s = NULL;
1165     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
1166     if (succ)
1167     {
1168         *value = (int)wxStrtol(s, NULL, 10);
1169         delete[] s;
1170         return TRUE;
1171     }
1172     else return FALSE;
1173 }
1174 #endif // wxUSE_RESOURCES
1175
1176 // ---------------------------------------------------------------------------
1177 // helper functions for showing a "busy" cursor
1178 // ---------------------------------------------------------------------------
1179
1180 static HCURSOR gs_wxBusyCursor = 0;     // new, busy cursor
1181 static HCURSOR gs_wxBusyCursorOld = 0;  // old cursor
1182 static int gs_wxBusyCursorCount = 0;
1183
1184 extern HCURSOR wxGetCurrentBusyCursor()
1185 {
1186     return gs_wxBusyCursor;
1187 }
1188
1189 // Set the cursor to the busy cursor for all windows
1190 void wxBeginBusyCursor(wxCursor *cursor)
1191 {
1192     if ( gs_wxBusyCursorCount++ == 0 )
1193     {
1194         gs_wxBusyCursor = (HCURSOR)cursor->GetHCURSOR();
1195 #ifndef __WXMICROWIN__
1196         gs_wxBusyCursorOld = ::SetCursor(gs_wxBusyCursor);
1197 #endif
1198     }
1199     //else: nothing to do, already set
1200 }
1201
1202 // Restore cursor to normal
1203 void wxEndBusyCursor()
1204 {
1205     wxCHECK_RET( gs_wxBusyCursorCount > 0,
1206                  wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
1207
1208     if ( --gs_wxBusyCursorCount == 0 )
1209     {
1210 #ifndef __WXMICROWIN__
1211         ::SetCursor(gs_wxBusyCursorOld);
1212 #endif
1213         gs_wxBusyCursorOld = 0;
1214     }
1215 }
1216
1217 // TRUE if we're between the above two calls
1218 bool wxIsBusy()
1219 {
1220   return (gs_wxBusyCursorCount > 0);
1221 }
1222
1223 // Check whether this window wants to process messages, e.g. Stop button
1224 // in long calculations.
1225 bool wxCheckForInterrupt(wxWindow *wnd)
1226 {
1227     wxCHECK( wnd, FALSE );
1228
1229     MSG msg;
1230     while ( ::PeekMessage(&msg, GetHwndOf(wnd), 0, 0, PM_REMOVE) )
1231     {
1232         ::TranslateMessage(&msg);
1233         ::DispatchMessage(&msg);
1234     }
1235
1236     return TRUE;
1237 }
1238
1239 // MSW only: get user-defined resource from the .res file.
1240 // Returns NULL or newly-allocated memory, so use delete[] to clean up.
1241
1242 #ifndef __WXMICROWIN__
1243 wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType)
1244 {
1245     HRSRC hResource = ::FindResource(wxGetInstance(), resourceName, resourceType);
1246     if ( hResource == 0 )
1247         return NULL;
1248
1249     HGLOBAL hData = ::LoadResource(wxGetInstance(), hResource);
1250     if ( hData == 0 )
1251         return NULL;
1252
1253     wxChar *theText = (wxChar *)::LockResource(hData);
1254     if ( !theText )
1255         return NULL;
1256
1257     // Not all compilers put a zero at the end of the resource (e.g. BC++ doesn't).
1258     // so we need to find the length of the resource.
1259     int len = ::SizeofResource(wxGetInstance(), hResource);
1260     wxChar  *s = new wxChar[len+1];
1261     wxStrncpy(s,theText,len);
1262     s[len]=0;
1263
1264     // wxChar *s = copystring(theText);
1265
1266     // Obsolete in WIN32
1267 #ifndef __WIN32__
1268     UnlockResource(hData);
1269 #endif
1270
1271     // No need??
1272     //  GlobalFree(hData);
1273
1274     return s;
1275 }
1276 #endif
1277
1278 // ----------------------------------------------------------------------------
1279 // get display info
1280 // ----------------------------------------------------------------------------
1281
1282 // See also the wxGetMousePosition in window.cpp
1283 // Deprecated: use wxPoint wxGetMousePosition() instead
1284 void wxGetMousePosition( int* x, int* y )
1285 {
1286     POINT pt;
1287     GetCursorPos( & pt );
1288     if ( x ) *x = pt.x;
1289     if ( y ) *y = pt.y;
1290 };
1291
1292 // Return TRUE if we have a colour display
1293 bool wxColourDisplay()
1294 {
1295 #ifdef __WXMICROWIN__
1296     // MICROWIN_TODO
1297     return TRUE;
1298 #else
1299     // this function is called from wxDC ctor so it is called a *lot* of times
1300     // hence we optimize it a bit but doign the check only once
1301     //
1302     // this should be MT safe as only the GUI thread (holding the GUI mutex)
1303     // can call us
1304     static int s_isColour = -1;
1305
1306     if ( s_isColour == -1 )
1307     {
1308         ScreenHDC dc;
1309         int noCols = ::GetDeviceCaps(dc, NUMCOLORS);
1310
1311         s_isColour = (noCols == -1) || (noCols > 2);
1312     }
1313
1314     return s_isColour != 0;
1315 #endif
1316 }
1317
1318 // Returns depth of screen
1319 int wxDisplayDepth()
1320 {
1321     ScreenHDC dc;
1322     return GetDeviceCaps(dc, PLANES) * GetDeviceCaps(dc, BITSPIXEL);
1323 }
1324
1325 // Get size of display
1326 void wxDisplaySize(int *width, int *height)
1327 {
1328 #ifdef __WXMICROWIN__
1329     RECT rect;
1330     HWND hWnd = GetDesktopWindow();
1331     ::GetWindowRect(hWnd, & rect);
1332
1333     *width = rect.right - rect.left;
1334     *height = rect.bottom - rect.top;
1335 #else
1336     ScreenHDC dc;
1337
1338     if ( width ) *width = GetDeviceCaps(dc, HORZRES);
1339     if ( height ) *height = GetDeviceCaps(dc, VERTRES);
1340 #endif
1341 }
1342
1343 void wxDisplaySizeMM(int *width, int *height)
1344 {
1345 #ifdef __WXMICROWIN__
1346     // MICROWIN_TODO
1347     *width = 0; * height = 0;
1348 #else
1349     ScreenHDC dc;
1350
1351     if ( width ) *width = GetDeviceCaps(dc, HORZSIZE);
1352     if ( height ) *height = GetDeviceCaps(dc, VERTSIZE);
1353 #endif
1354 }
1355
1356 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
1357 {
1358 #if defined(__WIN16__) || defined(__WXMICROWIN__)
1359     *x = 0; *y = 0;
1360     wxDisplaySize(width, height);
1361 #else
1362     // Determine the desktop dimensions minus the taskbar and any other
1363     // special decorations...
1364     RECT r;
1365
1366     SystemParametersInfo(SPI_GETWORKAREA, 0, &r, 0);
1367     if (x)      *x = r.left;
1368     if (y)      *y = r.top;
1369     if (width)  *width = r.right - r.left;
1370     if (height) *height = r.bottom - r.top;
1371 #endif
1372 }
1373
1374
1375 // ---------------------------------------------------------------------------
1376 // window information functions
1377 // ---------------------------------------------------------------------------
1378
1379 wxString WXDLLEXPORT wxGetWindowText(WXHWND hWnd)
1380 {
1381     wxString str;
1382     int len = GetWindowTextLength((HWND)hWnd) + 1;
1383     GetWindowText((HWND)hWnd, str.GetWriteBuf(len), len);
1384     str.UngetWriteBuf();
1385
1386     return str;
1387 }
1388
1389 wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd)
1390 {
1391 #ifdef __WXMICROWIN__
1392     // MICROWIN_TODO
1393     return wxEmptyString;
1394 #else
1395     wxString str;
1396
1397     int len = 256; // some starting value
1398
1399     for ( ;; )
1400     {
1401         // as we've #undefined GetClassName we must now manually choose the
1402         // right function to call
1403         int count =
1404
1405         #ifndef __WIN32__
1406             GetClassName
1407         #else // Win32
1408             #ifdef UNICODE
1409                 GetClassNameW
1410             #else // !Unicode
1411                 #ifdef __TWIN32__
1412                     GetClassName
1413                 #else // !Twin32
1414                     GetClassNameA
1415                 #endif // Twin32/!Twin32
1416             #endif // Unicode/ANSI
1417         #endif // Win16/32
1418                                     ((HWND)hWnd, str.GetWriteBuf(len), len);
1419
1420         str.UngetWriteBuf();
1421         if ( count == len )
1422         {
1423             // the class name might have been truncated, retry with larger
1424             // buffer
1425             len *= 2;
1426         }
1427         else
1428         {
1429             break;
1430         }
1431     }
1432
1433     return str;
1434 #endif
1435 }
1436
1437 WXWORD WXDLLEXPORT wxGetWindowId(WXHWND hWnd)
1438 {
1439 #ifndef __WIN32__
1440     return (WXWORD)GetWindowWord((HWND)hWnd, GWW_ID);
1441 #else // Win32
1442     return (WXWORD)GetWindowLong((HWND)hWnd, GWL_ID);
1443 #endif // Win16/32
1444 }
1445
1446 #endif // wxUSE_GUI
1447
1448 #if wxUSE_GUI
1449
1450 // ----------------------------------------------------------------------------
1451 // Metafile helpers
1452 // ----------------------------------------------------------------------------
1453
1454 extern void PixelToHIMETRIC(LONG *x, LONG *y)
1455 {
1456     ScreenHDC hdcRef;
1457
1458     int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE),
1459         iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE),
1460         iWidthPels = GetDeviceCaps(hdcRef, HORZRES),
1461         iHeightPels = GetDeviceCaps(hdcRef, VERTRES);
1462
1463     *x *= (iWidthMM * 100);
1464     *x /= iWidthPels;
1465     *y *= (iHeightMM * 100);
1466     *y /= iHeightPels;
1467 }
1468
1469 extern void HIMETRICToPixel(LONG *x, LONG *y)
1470 {
1471     ScreenHDC hdcRef;
1472
1473     int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE),
1474         iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE),
1475         iWidthPels = GetDeviceCaps(hdcRef, HORZRES),
1476         iHeightPels = GetDeviceCaps(hdcRef, VERTRES);
1477
1478     *x *= iWidthPels;
1479     *x /= (iWidthMM * 100);
1480     *y *= iHeightPels;
1481     *y /= (iHeightMM * 100);
1482 }
1483
1484 #endif // wxUSE_GUI
1485
1486 #if 0
1487 //------------------------------------------------------------------------
1488 // wild character routines
1489 //------------------------------------------------------------------------
1490
1491 bool wxIsWild( const wxString& pattern )
1492 {
1493   wxString tmp = pattern;
1494   char *pat = WXSTRINGCAST(tmp);
1495     while (*pat) {
1496   switch (*pat++) {
1497   case '?': case '*': case '[': case '{':
1498       return TRUE;
1499   case '\\':
1500       if (!*pat++)
1501     return FALSE;
1502   }
1503     }
1504     return FALSE;
1505 };
1506
1507
1508 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1509 {
1510   wxString tmp1 = pat;
1511   char *pattern = WXSTRINGCAST(tmp1);
1512   wxString tmp2 = text;
1513   char *str = WXSTRINGCAST(tmp2);
1514     char c;
1515     char *cp;
1516     bool done = FALSE, ret_code, ok;
1517     // Below is for vi fans
1518     const char OB = '{', CB = '}';
1519
1520     // dot_special means '.' only matches '.'
1521     if (dot_special && *str == '.' && *pattern != *str)
1522   return FALSE;
1523
1524     while ((*pattern != '\0') && (!done)
1525     && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) {
1526   switch (*pattern) {
1527   case '\\':
1528       pattern++;
1529       if (*pattern != '\0')
1530     pattern++;
1531       break;
1532   case '*':
1533       pattern++;
1534       ret_code = FALSE;
1535       while ((*str!='\0')
1536       && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1537     /*loop*/;
1538       if (ret_code) {
1539     while (*str != '\0')
1540         str++;
1541     while (*pattern != '\0')
1542         pattern++;
1543       }
1544       break;
1545   case '[':
1546       pattern++;
1547     repeat:
1548       if ((*pattern == '\0') || (*pattern == ']')) {
1549     done = TRUE;
1550     break;
1551       }
1552       if (*pattern == '\\') {
1553     pattern++;
1554     if (*pattern == '\0') {
1555         done = TRUE;
1556         break;
1557     }
1558       }
1559       if (*(pattern + 1) == '-') {
1560     c = *pattern;
1561     pattern += 2;
1562     if (*pattern == ']') {
1563         done = TRUE;
1564         break;
1565     }
1566     if (*pattern == '\\') {
1567         pattern++;
1568         if (*pattern == '\0') {
1569       done = TRUE;
1570       break;
1571         }
1572     }
1573     if ((*str < c) || (*str > *pattern)) {
1574         pattern++;
1575         goto repeat;
1576     }
1577       } else if (*pattern != *str) {
1578     pattern++;
1579     goto repeat;
1580       }
1581       pattern++;
1582       while ((*pattern != ']') && (*pattern != '\0')) {
1583     if ((*pattern == '\\') && (*(pattern + 1) != '\0'))
1584         pattern++;
1585     pattern++;
1586       }
1587       if (*pattern != '\0') {
1588     pattern++, str++;
1589       }
1590       break;
1591   case '?':
1592       pattern++;
1593       str++;
1594       break;
1595   case OB:
1596       pattern++;
1597       while ((*pattern != CB) && (*pattern != '\0')) {
1598     cp = str;
1599     ok = TRUE;
1600     while (ok && (*cp != '\0') && (*pattern != '\0')
1601     &&  (*pattern != ',') && (*pattern != CB)) {
1602         if (*pattern == '\\')
1603       pattern++;
1604         ok = (*pattern++ == *cp++);
1605     }
1606     if (*pattern == '\0') {
1607         ok = FALSE;
1608         done = TRUE;
1609         break;
1610     } else if (ok) {
1611         str = cp;
1612         while ((*pattern != CB) && (*pattern != '\0')) {
1613       if (*++pattern == '\\') {
1614           if (*++pattern == CB)
1615         pattern++;
1616       }
1617         }
1618     } else {
1619         while (*pattern!=CB && *pattern!=',' && *pattern!='\0') {
1620       if (*++pattern == '\\') {
1621                             if (*++pattern == CB || *pattern == ',')
1622         pattern++;
1623       }
1624         }
1625     }
1626     if (*pattern != '\0')
1627         pattern++;
1628       }
1629       break;
1630   default:
1631       if (*str == *pattern) {
1632     str++, pattern++;
1633       } else {
1634     done = TRUE;
1635       }
1636   }
1637     }
1638     while (*pattern == '*')
1639   pattern++;
1640     return ((*str == '\0') && (*pattern == '\0'));
1641 };
1642
1643 #endif // 0
1644
1645 #if 0
1646
1647 // maximum mumber of lines the output console should have
1648 static const WORD MAX_CONSOLE_LINES = 500;
1649
1650 BOOL WINAPI MyConsoleHandler( DWORD dwCtrlType ) {   //  control signal type
1651   FreeConsole();
1652   return TRUE;
1653 }
1654
1655 void wxRedirectIOToConsole()
1656 {
1657     int                        hConHandle;
1658     long                       lStdHandle;
1659     CONSOLE_SCREEN_BUFFER_INFO coninfo;
1660     FILE                       *fp;
1661
1662     // allocate a console for this app
1663     AllocConsole();
1664
1665     // set the screen buffer to be big enough to let us scroll text
1666     GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE),
1667                                &coninfo);
1668     coninfo.dwSize.Y = MAX_CONSOLE_LINES;
1669     SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),
1670                                coninfo.dwSize);
1671
1672     // redirect unbuffered STDOUT to the console
1673     lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
1674     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1675     if(hConHandle <= 0) return;
1676     fp = _fdopen( hConHandle, "w" );
1677     *stdout = *fp;
1678     setvbuf( stdout, NULL, _IONBF, 0 );
1679
1680     // redirect unbuffered STDIN to the console
1681     lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);
1682     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1683     if(hConHandle <= 0) return;
1684     fp = _fdopen( hConHandle, "r" );
1685     *stdin = *fp;
1686     setvbuf( stdin, NULL, _IONBF, 0 );
1687
1688     // redirect unbuffered STDERR to the console
1689     lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);
1690     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1691     if(hConHandle <= 0) return;
1692     fp = _fdopen( hConHandle, "w" );
1693     *stderr = *fp;
1694     setvbuf( stderr, NULL, _IONBF, 0 );
1695
1696     // make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog
1697     // point to console as well
1698     ios::sync_with_stdio();
1699
1700     SetConsoleCtrlHandler(MyConsoleHandler, TRUE);
1701 }
1702 #else
1703 // Not supported
1704 void wxRedirectIOToConsole()
1705 {
1706 }
1707 #endif
1708
1709 #ifdef __WXMICROWIN__
1710 int wxGetOsVersion(int *majorVsn, int *minorVsn)
1711 {
1712     // MICROWIN_TODO
1713     if (majorVsn) *majorVsn = 0;
1714     if (minorVsn) *minorVsn = 0;
1715     return wxUNIX;
1716 }
1717 #endif
1718