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