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/intl.h"
  35     #include "wx/log.h"
  36 #if wxUSE_GUI
  37     #include "wx/cursor.h"
  38 #endif
  39 #endif  //WX_PRECOMP
  40
  41 // In some mingws there is a missing extern "C" int the winsock header,
  42 // so we put it here just to be safe. Note that this must appear _before_
  43 // #include "wx/msw/private.h" which itself includes <windows.h>, as this
  44 // one in turn includes <winsock.h> unless we define WIN32_LEAN_AND_MEAN.
  45 //
  46 #if defined(__WIN32__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__) && ! (defined(__GNUWIN32__) && !defined(__MINGW32__))
  47 extern "C" {
  48     #include <winsock.h>    // we use socket functions in wxGetFullHostName()
  49 }
  50 #endif
  51
  52 #include "wx/msw/private.h"     // includes <windows.h>
  53
  54 #include "wx/timer.h"
  55
  56 #if !defined(__GNUWIN32__) && !defined(__WXWINE__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__)
  57     #include <direct.h>
  58
  59     #ifndef __MWERKS__
  60         #include <dos.h>
  61     #endif
  62 #endif  //GNUWIN32
  63
  64 #if defined(__GNUWIN32__) && !defined(__TWIN32__)
  65     #include <sys/unistd.h>
  66     #include <sys/stat.h>
  67 #endif  //GNUWIN32
  68
  69 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  70                     // this (3.1 I believe) and how to test for it.
  71                     // If this works for Borland 4.0 as well, then no worries.
  72     #include <dir.h>
  73 #endif
  74
  75 // VZ: there is some code using NetXXX() functions to get the full user name:
  76 //     I don't think it's a good idea because they don't work under Win95 and
  77 //     seem to return the same as wxGetUserId() under NT. If you really want
  78 //     to use them, just #define USE_NET_API
  79 #undef USE_NET_API
  80
  81 #ifdef USE_NET_API
  82     #include <lm.h>
  83 #endif // USE_NET_API
  84
  85 #if defined(__WIN32__) && !defined(__WXWINE__) && !defined(__WXMICROWIN__)
  86     #include <io.h>
  87
  88     #ifndef __GNUWIN32__
  89         #include <shellapi.h>
  90     #endif
  91 #endif
  92
  93 #ifndef __WATCOMC__
  94     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  95         #include <errno.h>
  96     #endif
  97 #endif
  98
  99 //// BEGIN for console support: VC++ only
 100 #ifdef __VISUALC__
 101
 102 #include "wx/msw/msvcrt.h"
 103
 104 #include <fcntl.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 // old w32api don't have ULARGE_INTEGER
 458 #if defined(__WIN32__) && \
 459     (!defined(__GNUWIN32__) || wxCHECK_W32API_VERSION( 0, 3 ))
 460     // GetDiskFreeSpaceEx() is not available under original Win95, check for
 461     // it
 462     typedef BOOL (WINAPI *GetDiskFreeSpaceEx_t)(LPCTSTR,
 463                                                 PULARGE_INTEGER,
 464                                                 PULARGE_INTEGER,
 465                                                 PULARGE_INTEGER);
 466
 467     GetDiskFreeSpaceEx_t
 468         pGetDiskFreeSpaceEx = (GetDiskFreeSpaceEx_t)::GetProcAddress
 469                               (
 470                                 ::GetModuleHandle(_T("kernel32.dll")),
 471 #if wxUSE_UNICODE
 472                                 "GetDiskFreeSpaceExW"
 473 #else
 474                                 "GetDiskFreeSpaceExA"
 475 #endif
 476                               );
 477
 478     if ( pGetDiskFreeSpaceEx )
 479     {
 480         ULARGE_INTEGER bytesFree, bytesTotal;
 481
 482         // may pass the path as is, GetDiskFreeSpaceEx() is smart enough
 483         if ( !pGetDiskFreeSpaceEx(path,
 484                                   &bytesFree,
 485                                   &bytesTotal,
 486                                   NULL) )
 487         {
 488             wxLogLastError(_T("GetDiskFreeSpaceEx"));
 489
 490             return FALSE;
 491         }
 492
 493         if ( pTotal )
 494         {
 495             *pTotal = wxLongLong(bytesTotal.u.HighPart, bytesTotal.u.LowPart);
 496         }
 497
 498         if ( pFree )
 499         {
 500             *pFree = wxLongLong(bytesFree.u.HighPart, bytesFree.u.LowPart);
 501         }
 502     }
 503     else
 504 #endif // Win32
 505     {
 506         // there's a problem with drives larger than 2GB, GetDiskFreeSpaceEx()
 507         // should be used instead - but if it's not available, fall back on
 508         // GetDiskFreeSpace() nevertheless...
 509
 510         DWORD lSectorsPerCluster,
 511               lBytesPerSector,
 512               lNumberOfFreeClusters,
 513               lTotalNumberOfClusters;
 514
 515         // FIXME: this is wrong, we should extract the root drive from path
 516         //        instead, but this is the job for wxFileName...
 517         if ( !::GetDiskFreeSpace(path,
 518                                  &lSectorsPerCluster,
 519                                  &lBytesPerSector,
 520                                  &lNumberOfFreeClusters,
 521                                  &lTotalNumberOfClusters) )
 522         {
 523             wxLogLastError(_T("GetDiskFreeSpace"));
 524
 525             return FALSE;
 526         }
 527
 528         wxLongLong lBytesPerCluster = lSectorsPerCluster;
 529         lBytesPerCluster *= lBytesPerSector;
 530
 531         if ( pTotal )
 532         {
 533             *pTotal = lBytesPerCluster;
 534             *pTotal *= lTotalNumberOfClusters;
 535         }
 536
 537         if ( pFree )
 538         {
 539             *pFree = lBytesPerCluster;
 540             *pFree *= lNumberOfFreeClusters;
 541         }
 542     }
 543
 544     return TRUE;
 545 }
 546
 547 // ----------------------------------------------------------------------------
 548 // env vars
 549 // ----------------------------------------------------------------------------
 550
 551 bool wxGetEnv(const wxString& var, wxString *value)
 552 {
 553 #ifdef __WIN16__
 554     const wxChar* ret = wxGetenv(var);
 555     if (ret)
 556     {
 557         *value = ret;
 558         return TRUE;
 559     }
 560     else
 561         return FALSE;
 562 #else
 563     // first get the size of the buffer
 564     DWORD dwRet = ::GetEnvironmentVariable(var, NULL, 0);
 565     if ( !dwRet )
 566     {
 567         // this means that there is no such variable
 568         return FALSE;
 569     }
 570
 571     if ( value )
 572     {
 573         (void)::GetEnvironmentVariable(var, value->GetWriteBuf(dwRet), dwRet);
 574         value->UngetWriteBuf();
 575     }
 576
 577     return TRUE;
 578 #endif
 579 }
 580
 581 bool wxSetEnv(const wxString& var, const wxChar *value)
 582 {
 583     // some compilers have putenv() or _putenv() or _wputenv() but it's better
 584     // to always use Win32 function directly instead of dealing with them
 585 #if defined(__WIN32__)
 586     if ( !::SetEnvironmentVariable(var, value) )
 587     {
 588         wxLogLastError(_T("SetEnvironmentVariable"));
 589
 590         return FALSE;
 591     }
 592
 593     return TRUE;
 594 #else // no way to set env vars
 595     return FALSE;
 596 #endif
 597 }
 598
 599 // ----------------------------------------------------------------------------
 600 // process management
 601 // ----------------------------------------------------------------------------
 602
 603 #ifdef __WIN32__
 604
 605 // structure used to pass parameters from wxKill() to wxEnumFindByPidProc()
 606 struct wxFindByPidParams
 607 {
 608     wxFindByPidParams() { hwnd = 0; pid = 0; }
 609
 610     // the HWND used to return the result
 611     HWND hwnd;
 612
 613     // the PID we're looking from
 614     DWORD pid;
 615 };
 616
 617 // wxKill helper: EnumWindows() callback which is used to find the first (top
 618 // level) window belonging to the given process
 619 BOOL CALLBACK wxEnumFindByPidProc(HWND hwnd, LPARAM lParam)
 620 {
 621     DWORD pid;
 622     (void)::GetWindowThreadProcessId(hwnd, &pid);
 623
 624     wxFindByPidParams *params = (wxFindByPidParams *)lParam;
 625     if ( pid == params->pid )
 626     {
 627         // remember the window we found
 628         params->hwnd = hwnd;
 629
 630         // return FALSE to stop the enumeration
 631         return FALSE;
 632     }
 633
 634     // continue enumeration
 635     return TRUE;
 636 }
 637
 638 #endif // __WIN32__
 639
 640 int wxKill(long pid, wxSignal sig, wxKillError *krc)
 641 {
 642 #ifdef __WIN32__
 643     // get the process handle to operate on
 644     HANDLE hProcess = ::OpenProcess(SYNCHRONIZE |
 645                                     PROCESS_TERMINATE |
 646                                     PROCESS_QUERY_INFORMATION,
 647                                     FALSE, // not inheritable
 648                                     (DWORD)pid);
 649     if ( hProcess == NULL )
 650     {
 651         if ( krc )
 652         {
 653             if ( ::GetLastError() == ERROR_ACCESS_DENIED )
 654             {
 655                 *krc = wxKILL_ACCESS_DENIED;
 656             }
 657             else
 658             {
 659                 *krc = wxKILL_NO_PROCESS;
 660             }
 661         }
 662
 663         return -1;
 664     }
 665
 666     bool ok = TRUE;
 667     switch ( sig )
 668     {
 669         case wxSIGKILL:
 670             // kill the process forcefully returning -1 as error code
 671             if ( !::TerminateProcess(hProcess, (UINT)-1) )
 672             {
 673                 wxLogSysError(_("Failed to kill process %d"), pid);
 674
 675                 if ( krc )
 676                 {
 677                     // this is not supposed to happen if we could open the
 678                     // process
 679                     *krc = wxKILL_ERROR;
 680                 }
 681
 682                 ok = FALSE;
 683             }
 684             break;
 685
 686         case wxSIGNONE:
 687             // do nothing, we just want to test for process existence
 688             break;
 689
 690         default:
 691             // any other signal means "terminate"
 692             {
 693                 wxFindByPidParams params;
 694                 params.pid = (DWORD)pid;
 695
 696                 // EnumWindows() has nice semantics: it returns 0 if it found
 697                 // something or if an error occured and non zero if it
 698                 // enumerated all the window
 699                 if ( !::EnumWindows(wxEnumFindByPidProc, (LPARAM)&params) )
 700                 {
 701                     // did we find any window?
 702                     if ( params.hwnd )
 703                     {
 704                         // tell the app to close
 705                         //
 706                         // NB: this is the harshest way, the app won't have
 707                         //     opportunity to save any files, for example, but
 708                         //     this is probably what we want here. If not we
 709                         //     can also use SendMesageTimeout(WM_CLOSE)
 710                         if ( !::PostMessage(params.hwnd, WM_QUIT, 0, 0) )
 711                         {
 712                             wxLogLastError(_T("PostMessage(WM_QUIT)"));
 713                         }
 714                     }
 715                     else // it was an error then
 716                     {
 717                         wxLogLastError(_T("EnumWindows"));
 718
 719                         ok = FALSE;
 720                     }
 721                 }
 722                 else // no windows for this PID
 723                 {
 724                     if ( krc )
 725                     {
 726                         *krc = wxKILL_ERROR;
 727                     }
 728
 729                     ok = FALSE;
 730                 }
 731             }
 732     }
 733
 734     // the return code
 735     DWORD rc;
 736
 737     if ( ok )
 738     {
 739         // as we wait for a short time, we can use just WaitForSingleObject()
 740         // and not MsgWaitForMultipleObjects()
 741         switch ( ::WaitForSingleObject(hProcess, 500 /* msec */) )
 742         {
 743             case WAIT_OBJECT_0:
 744                 // process terminated
 745                 if ( !::GetExitCodeProcess(hProcess, &rc) )
 746                 {
 747                     wxLogLastError(_T("GetExitCodeProcess"));
 748                 }
 749                 break;
 750
 751             default:
 752                 wxFAIL_MSG( _T("unexpected WaitForSingleObject() return") );
 753                 // fall through
 754
 755             case WAIT_FAILED:
 756                 wxLogLastError(_T("WaitForSingleObject"));
 757                 // fall through
 758
 759             case WAIT_TIMEOUT:
 760                 if ( krc )
 761                 {
 762                     *krc = wxKILL_ERROR;
 763                 }
 764
 765                 rc = STILL_ACTIVE;
 766                 break;
 767         }
 768     }
 769     else // !ok
 770     {
 771         // just to suppress the warnings about uninitialized variable
 772         rc = 0;
 773     }
 774
 775     ::CloseHandle(hProcess);
 776
 777     // the return code is the same as from Unix kill(): 0 if killed
 778     // successfully or -1 on error
 779     if ( sig == wxSIGNONE )
 780     {
 781         if ( ok && rc == STILL_ACTIVE )
 782         {
 783             // there is such process => success
 784             return 0;
 785         }
 786     }
 787     else // not SIGNONE
 788     {
 789         if ( ok && rc != STILL_ACTIVE )
 790         {
 791             // killed => success
 792             return 0;
 793         }
 794     }
 795 #else // Win15
 796     wxFAIL_MSG( _T("not implemented") );
 797 #endif // Win32/Win16
 798
 799     // error
 800     return -1;
 801 }
 802
 803 // Execute a program in an Interactive Shell
 804 bool wxShell(const wxString& command)
 805 {
 806     wxChar *shell = wxGetenv(wxT("COMSPEC"));
 807     if ( !shell )
 808         shell = wxT("\\COMMAND.COM");
 809
 810     wxString cmd;
 811     if ( !command )
 812     {
 813         // just the shell
 814         cmd = shell;
 815     }
 816     else
 817     {
 818         // pass the command to execute to the command processor
 819         cmd.Printf(wxT("%s /c %s"), shell, command.c_str());
 820     }
 821
 822     return wxExecute(cmd, TRUE /* sync */) != 0;
 823 }
 824
 825 // ----------------------------------------------------------------------------
 826 // misc
 827 // ----------------------------------------------------------------------------
 828
 829 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 830 long wxGetFreeMemory()
 831 {
 832 #if defined(__WIN32__) && !defined(__BORLANDC__) && !defined(__TWIN32__)
 833     MEMORYSTATUS memStatus;
 834     memStatus.dwLength = sizeof(MEMORYSTATUS);
 835     GlobalMemoryStatus(&memStatus);
 836     return memStatus.dwAvailPhys;
 837 #else
 838     return (long)GetFreeSpace(0);
 839 #endif
 840 }
 841
 842 // Emit a beeeeeep
 843 void wxBell()
 844 {
 845     ::MessageBeep((UINT)-1);        // default sound
 846 }
 847
 848 wxString wxGetOsDescription()
 849 {
 850 #ifdef __WIN32__
 851     wxString str;
 852
 853     OSVERSIONINFO info;
 854     wxZeroMemory(info);
 855
 856     info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 857     if ( ::GetVersionEx(&info) )
 858     {
 859         switch ( info.dwPlatformId )
 860         {
 861             case VER_PLATFORM_WIN32s:
 862                 str = _("Win32s on Windows 3.1");
 863                 break;
 864
 865             case VER_PLATFORM_WIN32_WINDOWS:
 866                 str.Printf(_("Windows 9%c"),
 867                            info.dwMinorVersion == 0 ? _T('5') : _T('8'));
 868                 if ( !wxIsEmpty(info.szCSDVersion) )
 869                 {
 870                     str << _T(" (") << info.szCSDVersion << _T(')');
 871                 }
 872                 break;
 873
 874             case VER_PLATFORM_WIN32_NT:
 875                 str.Printf(_T("Windows NT %lu.%lu (build %lu"),
 876                            info.dwMajorVersion,
 877                            info.dwMinorVersion,
 878                            info.dwBuildNumber);
 879                 if ( !wxIsEmpty(info.szCSDVersion) )
 880                 {
 881                     str << _T(", ") << info.szCSDVersion;
 882                 }
 883                 str << _T(')');
 884                 break;
 885         }
 886     }
 887     else
 888     {
 889         wxFAIL_MSG( _T("GetVersionEx() failed") ); // should never happen
 890     }
 891
 892     return str;
 893 #else // Win16
 894     return _("Windows 3.1");
 895 #endif // Win32/16
 896 }
 897
 898 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 899 {
 900 #if defined(__WIN32__) && !defined(__SC__)
 901     OSVERSIONINFO info;
 902     wxZeroMemory(info);
 903
 904     info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 905     if ( ::GetVersionEx(&info) )
 906     {
 907         if (majorVsn)
 908             *majorVsn = info.dwMajorVersion;
 909         if (minorVsn)
 910             *minorVsn = info.dwMinorVersion;
 911
 912         switch ( info.dwPlatformId )
 913         {
 914             case VER_PLATFORM_WIN32s:
 915                 return wxWIN32S;
 916
 917             case VER_PLATFORM_WIN32_WINDOWS:
 918                 return wxWIN95;
 919
 920             case VER_PLATFORM_WIN32_NT:
 921                 return wxWINDOWS_NT;
 922         }
 923     }
 924
 925     return wxWINDOWS; // error if we get here, return generic value
 926 #else // Win16
 927     int retValue = wxWINDOWS;
 928     #ifdef __WINDOWS_386__
 929         retValue = wxWIN386;
 930     #else
 931         #if !defined(__WATCOMC__) && !defined(GNUWIN32) && wxUSE_PENWINDOWS
 932             extern HANDLE g_hPenWin;
 933             retValue = g_hPenWin ? wxPENWINDOWS : wxWINDOWS;
 934         #endif
 935     #endif
 936
 937     if (majorVsn)
 938         *majorVsn = 3;
 939     if (minorVsn)
 940         *minorVsn = 1;
 941
 942     return retValue;
 943 #endif
 944 }
 945
 946 // ----------------------------------------------------------------------------
 947 // sleep functions
 948 // ----------------------------------------------------------------------------
 949
 950 #if wxUSE_GUI
 951
 952 #if wxUSE_TIMER
 953
 954 // Sleep for nSecs seconds. Attempt a Windows implementation using timers.
 955 static bool gs_inTimer = FALSE;
 956
 957 class wxSleepTimer : public wxTimer
 958 {
 959 public:
 960     virtual void Notify()
 961     {
 962         gs_inTimer = FALSE;
 963         Stop();
 964     }
 965 };
 966
 967 static wxTimer *wxTheSleepTimer = NULL;
 968
 969 void wxUsleep(unsigned long milliseconds)
 970 {
 971 #ifdef __WIN32__
 972     ::Sleep(milliseconds);
 973 #else // !Win32
 974     if (gs_inTimer)
 975         return;
 976
 977     wxTheSleepTimer = new wxSleepTimer;
 978     gs_inTimer = TRUE;
 979     wxTheSleepTimer->Start(milliseconds);
 980     while (gs_inTimer)
 981     {
 982         if (wxTheApp->Pending())
 983             wxTheApp->Dispatch();
 984     }
 985     delete wxTheSleepTimer;
 986     wxTheSleepTimer = NULL;
 987 #endif // Win32/!Win32
 988 }
 989
 990 void wxSleep(int nSecs)
 991 {
 992     if (gs_inTimer)
 993         return;
 994
 995     wxTheSleepTimer = new wxSleepTimer;
 996     gs_inTimer = TRUE;
 997     wxTheSleepTimer->Start(nSecs*1000);
 998     while (gs_inTimer)
 999     {
1000         if (wxTheApp->Pending())
1001             wxTheApp->Dispatch();
1002     }
1003     delete wxTheSleepTimer;
1004     wxTheSleepTimer = NULL;
1005 }
1006
1007 // Consume all events until no more left
1008 void wxFlushEvents()
1009 {
1010 //  wxYield();
1011 }
1012
1013 #endif // wxUSE_TIMER
1014
1015 #elif defined(__WIN32__) // wxUSE_GUI
1016
1017 void wxUsleep(unsigned long milliseconds)
1018 {
1019     ::Sleep(milliseconds);
1020 }
1021
1022 void wxSleep(int nSecs)
1023 {
1024     wxUsleep(1000*nSecs);
1025 }
1026
1027 #endif // wxUSE_GUI/!wxUSE_GUI
1028 #endif
1029   // __WXMICROWIN__
1030
1031 // ----------------------------------------------------------------------------
1032 // deprecated (in favour of wxLog) log functions
1033 // ----------------------------------------------------------------------------
1034
1035 #if wxUSE_GUI
1036
1037 // Output a debug mess., in a system dependent fashion.
1038 #ifndef __WXMICROWIN__
1039 void wxDebugMsg(const wxChar *fmt ...)
1040 {
1041   va_list ap;
1042   static wxChar buffer[512];
1043
1044   if (!wxTheApp->GetWantDebugOutput())
1045     return ;
1046
1047   va_start(ap, fmt);
1048
1049   wvsprintf(buffer,fmt,ap) ;
1050   OutputDebugString((LPCTSTR)buffer) ;
1051
1052   va_end(ap);
1053 }
1054
1055 // Non-fatal error: pop up message box and (possibly) continue
1056 void wxError(const wxString& msg, const wxString& title)
1057 {
1058   wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg);
1059   if (MessageBox(NULL, (LPCTSTR)wxBuffer, (LPCTSTR)WXSTRINGCAST title,
1060              MB_ICONSTOP | MB_YESNO) == IDNO)
1061     wxExit();
1062 }
1063
1064 // Fatal error: pop up message box and abort
1065 void wxFatalError(const wxString& msg, const wxString& title)
1066 {
1067   wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg);
1068   FatalAppExit(0, (LPCTSTR)wxBuffer);
1069 }
1070 #endif // __WXMICROWIN__
1071
1072 // ----------------------------------------------------------------------------
1073 // functions to work with .INI files
1074 // ----------------------------------------------------------------------------
1075
1076 // Reading and writing resources (eg WIN.INI, .Xdefaults)
1077 #if wxUSE_RESOURCES
1078 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
1079 {
1080   if (file != wxT(""))
1081 // Don't know what the correct cast should be, but it doesn't
1082 // compile in BC++/16-bit without this cast.
1083 #if !defined(__WIN32__)
1084     return (WritePrivateProfileString((const char*) section, (const char*) entry, (const char*) value, (const char*) file) != 0);
1085 #else
1086     return (WritePrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)value, (LPCTSTR)WXSTRINGCAST file) != 0);
1087 #endif
1088   else
1089     return (WriteProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)WXSTRINGCAST value) != 0);
1090 }
1091
1092 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
1093 {
1094     wxString buf;
1095     buf.Printf(wxT("%.4f"), value);
1096
1097     return wxWriteResource(section, entry, buf, file);
1098 }
1099
1100 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
1101 {
1102     wxString buf;
1103     buf.Printf(wxT("%ld"), value);
1104
1105     return wxWriteResource(section, entry, buf, file);
1106 }
1107
1108 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
1109 {
1110     wxString buf;
1111     buf.Printf(wxT("%d"), value);
1112
1113     return wxWriteResource(section, entry, buf, file);
1114 }
1115
1116 bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file)
1117 {
1118     static const wxChar defunkt[] = wxT("$$default");
1119     if (file != wxT(""))
1120     {
1121         int n = GetPrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
1122                 (LPTSTR)wxBuffer, 1000, (LPCTSTR)WXSTRINGCAST file);
1123         if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
1124             return FALSE;
1125     }
1126     else
1127     {
1128         int n = GetProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
1129                 (LPTSTR)wxBuffer, 1000);
1130         if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
1131             return FALSE;
1132     }
1133     if (*value) delete[] (*value);
1134     *value = copystring(wxBuffer);
1135     return TRUE;
1136 }
1137
1138 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
1139 {
1140     wxChar *s = NULL;
1141     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
1142     if (succ)
1143     {
1144         *value = (float)wxStrtod(s, NULL);
1145         delete[] s;
1146         return TRUE;
1147     }
1148     else return FALSE;
1149 }
1150
1151 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
1152 {
1153     wxChar *s = NULL;
1154     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
1155     if (succ)
1156     {
1157         *value = wxStrtol(s, NULL, 10);
1158         delete[] s;
1159         return TRUE;
1160     }
1161     else return FALSE;
1162 }
1163
1164 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
1165 {
1166     wxChar *s = NULL;
1167     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
1168     if (succ)
1169     {
1170         *value = (int)wxStrtol(s, NULL, 10);
1171         delete[] s;
1172         return TRUE;
1173     }
1174     else return FALSE;
1175 }
1176 #endif // wxUSE_RESOURCES
1177
1178 // ---------------------------------------------------------------------------
1179 // helper functions for showing a "busy" cursor
1180 // ---------------------------------------------------------------------------
1181
1182 static HCURSOR gs_wxBusyCursor = 0;     // new, busy cursor
1183 static HCURSOR gs_wxBusyCursorOld = 0;  // old cursor
1184 static int gs_wxBusyCursorCount = 0;
1185
1186 extern HCURSOR wxGetCurrentBusyCursor()
1187 {
1188     return gs_wxBusyCursor;
1189 }
1190
1191 // Set the cursor to the busy cursor for all windows
1192 void wxBeginBusyCursor(wxCursor *cursor)
1193 {
1194     if ( gs_wxBusyCursorCount++ == 0 )
1195     {
1196         gs_wxBusyCursor = (HCURSOR)cursor->GetHCURSOR();
1197 #ifndef __WXMICROWIN__
1198         gs_wxBusyCursorOld = ::SetCursor(gs_wxBusyCursor);
1199 #endif
1200     }
1201     //else: nothing to do, already set
1202 }
1203
1204 // Restore cursor to normal
1205 void wxEndBusyCursor()
1206 {
1207     wxCHECK_RET( gs_wxBusyCursorCount > 0,
1208                  wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
1209
1210     if ( --gs_wxBusyCursorCount == 0 )
1211     {
1212 #ifndef __WXMICROWIN__
1213         ::SetCursor(gs_wxBusyCursorOld);
1214 #endif
1215         gs_wxBusyCursorOld = 0;
1216     }
1217 }
1218
1219 // TRUE if we're between the above two calls
1220 bool wxIsBusy()
1221 {
1222   return (gs_wxBusyCursorCount > 0);
1223 }
1224
1225 // Check whether this window wants to process messages, e.g. Stop button
1226 // in long calculations.
1227 bool wxCheckForInterrupt(wxWindow *wnd)
1228 {
1229     wxCHECK( wnd, FALSE );
1230
1231     MSG msg;
1232     while ( ::PeekMessage(&msg, GetHwndOf(wnd), 0, 0, PM_REMOVE) )
1233     {
1234         ::TranslateMessage(&msg);
1235         ::DispatchMessage(&msg);
1236     }
1237
1238     return TRUE;
1239 }
1240
1241 // MSW only: get user-defined resource from the .res file.
1242 // Returns NULL or newly-allocated memory, so use delete[] to clean up.
1243
1244 #ifndef __WXMICROWIN__
1245 wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType)
1246 {
1247     HRSRC hResource = ::FindResource(wxGetInstance(), resourceName, resourceType);
1248     if ( hResource == 0 )
1249         return NULL;
1250
1251     HGLOBAL hData = ::LoadResource(wxGetInstance(), hResource);
1252     if ( hData == 0 )
1253         return NULL;
1254
1255     wxChar *theText = (wxChar *)::LockResource(hData);
1256     if ( !theText )
1257         return NULL;
1258
1259     // Not all compilers put a zero at the end of the resource (e.g. BC++ doesn't).
1260     // so we need to find the length of the resource.
1261     int len = ::SizeofResource(wxGetInstance(), hResource);
1262     wxChar  *s = new wxChar[len+1];
1263     wxStrncpy(s,theText,len);
1264     s[len]=0;
1265
1266     // wxChar *s = copystring(theText);
1267
1268     // Obsolete in WIN32
1269 #ifndef __WIN32__
1270     UnlockResource(hData);
1271 #endif
1272
1273     // No need??
1274     //  GlobalFree(hData);
1275
1276     return s;
1277 }
1278 #endif
1279
1280 // ----------------------------------------------------------------------------
1281 // get display info
1282 // ----------------------------------------------------------------------------
1283
1284 // See also the wxGetMousePosition in window.cpp
1285 // Deprecated: use wxPoint wxGetMousePosition() instead
1286 void wxGetMousePosition( int* x, int* y )
1287 {
1288     POINT pt;
1289     GetCursorPos( & pt );
1290     if ( x ) *x = pt.x;
1291     if ( y ) *y = pt.y;
1292 };
1293
1294 // Return TRUE if we have a colour display
1295 bool wxColourDisplay()
1296 {
1297 #ifdef __WXMICROWIN__
1298     // MICROWIN_TODO
1299     return TRUE;
1300 #else
1301     // this function is called from wxDC ctor so it is called a *lot* of times
1302     // hence we optimize it a bit but doign the check only once
1303     //
1304     // this should be MT safe as only the GUI thread (holding the GUI mutex)
1305     // can call us
1306     static int s_isColour = -1;
1307
1308     if ( s_isColour == -1 )
1309     {
1310         ScreenHDC dc;
1311         int noCols = ::GetDeviceCaps(dc, NUMCOLORS);
1312
1313         s_isColour = (noCols == -1) || (noCols > 2);
1314     }
1315
1316     return s_isColour != 0;
1317 #endif
1318 }
1319
1320 // Returns depth of screen
1321 int wxDisplayDepth()
1322 {
1323     ScreenHDC dc;
1324     return GetDeviceCaps(dc, PLANES) * GetDeviceCaps(dc, BITSPIXEL);
1325 }
1326
1327 // Get size of display
1328 void wxDisplaySize(int *width, int *height)
1329 {
1330 #ifdef __WXMICROWIN__
1331     RECT rect;
1332     HWND hWnd = GetDesktopWindow();
1333     ::GetWindowRect(hWnd, & rect);
1334
1335     *width = rect.right - rect.left;
1336     *height = rect.bottom - rect.top;
1337 #else
1338     ScreenHDC dc;
1339
1340     if ( width ) *width = GetDeviceCaps(dc, HORZRES);
1341     if ( height ) *height = GetDeviceCaps(dc, VERTRES);
1342 #endif
1343 }
1344
1345 void wxDisplaySizeMM(int *width, int *height)
1346 {
1347 #ifdef __WXMICROWIN__
1348     // MICROWIN_TODO
1349     *width = 0; * height = 0;
1350 #else
1351     ScreenHDC dc;
1352
1353     if ( width ) *width = GetDeviceCaps(dc, HORZSIZE);
1354     if ( height ) *height = GetDeviceCaps(dc, VERTSIZE);
1355 #endif
1356 }
1357
1358 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
1359 {
1360 #if defined(__WIN16__) || defined(__WXMICROWIN__)
1361     *x = 0; *y = 0;
1362     wxDisplaySize(width, height);
1363 #else
1364     // Determine the desktop dimensions minus the taskbar and any other
1365     // special decorations...
1366     RECT r;
1367
1368     SystemParametersInfo(SPI_GETWORKAREA, 0, &r, 0);
1369     if (x)      *x = r.left;
1370     if (y)      *y = r.top;
1371     if (width)  *width = r.right - r.left;
1372     if (height) *height = r.bottom - r.top;
1373 #endif
1374 }
1375
1376
1377 // ---------------------------------------------------------------------------
1378 // window information functions
1379 // ---------------------------------------------------------------------------
1380
1381 wxString WXDLLEXPORT wxGetWindowText(WXHWND hWnd)
1382 {
1383     wxString str;
1384
1385     if ( hWnd )
1386     {
1387         int len = GetWindowTextLength((HWND)hWnd) + 1;
1388         ::GetWindowText((HWND)hWnd, str.GetWriteBuf(len), len);
1389         str.UngetWriteBuf();
1390     }
1391
1392     return str;
1393 }
1394
1395 wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd)
1396 {
1397     wxString str;
1398
1399     // MICROWIN_TODO
1400 #ifndef __WXMICROWIN__
1401     if ( hWnd )
1402     {
1403         int len = 256; // some starting value
1404
1405         for ( ;; )
1406         {
1407             int count = ::GetClassName((HWND)hWnd, str.GetWriteBuf(len), len);
1408
1409             str.UngetWriteBuf();
1410             if ( count == len )
1411             {
1412                 // the class name might have been truncated, retry with larger
1413                 // buffer
1414                 len *= 2;
1415             }
1416             else
1417             {
1418                 break;
1419             }
1420         }
1421     }
1422 #endif // !__WXMICROWIN__
1423
1424     return str;
1425 }
1426
1427 WXWORD WXDLLEXPORT wxGetWindowId(WXHWND hWnd)
1428 {
1429 #ifndef __WIN32__
1430     return (WXWORD)GetWindowWord((HWND)hWnd, GWW_ID);
1431 #else // Win32
1432     return (WXWORD)GetWindowLong((HWND)hWnd, GWL_ID);
1433 #endif // Win16/32
1434 }
1435
1436 #endif // wxUSE_GUI
1437
1438 #if wxUSE_GUI
1439
1440 // ----------------------------------------------------------------------------
1441 // Metafile helpers
1442 // ----------------------------------------------------------------------------
1443
1444 extern void PixelToHIMETRIC(LONG *x, LONG *y)
1445 {
1446     ScreenHDC hdcRef;
1447
1448     int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE),
1449         iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE),
1450         iWidthPels = GetDeviceCaps(hdcRef, HORZRES),
1451         iHeightPels = GetDeviceCaps(hdcRef, VERTRES);
1452
1453     *x *= (iWidthMM * 100);
1454     *x /= iWidthPels;
1455     *y *= (iHeightMM * 100);
1456     *y /= iHeightPels;
1457 }
1458
1459 extern void HIMETRICToPixel(LONG *x, LONG *y)
1460 {
1461     ScreenHDC hdcRef;
1462
1463     int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE),
1464         iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE),
1465         iWidthPels = GetDeviceCaps(hdcRef, HORZRES),
1466         iHeightPels = GetDeviceCaps(hdcRef, VERTRES);
1467
1468     *x *= iWidthPels;
1469     *x /= (iWidthMM * 100);
1470     *y *= iHeightPels;
1471     *y /= (iHeightMM * 100);
1472 }
1473
1474 #endif // wxUSE_GUI
1475
1476 #if 0
1477 //------------------------------------------------------------------------
1478 // wild character routines
1479 //------------------------------------------------------------------------
1480
1481 bool wxIsWild( const wxString& pattern )
1482 {
1483   wxString tmp = pattern;
1484   char *pat = WXSTRINGCAST(tmp);
1485     while (*pat) {
1486   switch (*pat++) {
1487   case '?': case '*': case '[': case '{':
1488       return TRUE;
1489   case '\\':
1490       if (!*pat++)
1491     return FALSE;
1492   }
1493     }
1494     return FALSE;
1495 };
1496
1497
1498 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1499 {
1500   wxString tmp1 = pat;
1501   char *pattern = WXSTRINGCAST(tmp1);
1502   wxString tmp2 = text;
1503   char *str = WXSTRINGCAST(tmp2);
1504     char c;
1505     char *cp;
1506     bool done = FALSE, ret_code, ok;
1507     // Below is for vi fans
1508     const char OB = '{', CB = '}';
1509
1510     // dot_special means '.' only matches '.'
1511     if (dot_special && *str == '.' && *pattern != *str)
1512   return FALSE;
1513
1514     while ((*pattern != '\0') && (!done)
1515     && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) {
1516   switch (*pattern) {
1517   case '\\':
1518       pattern++;
1519       if (*pattern != '\0')
1520     pattern++;
1521       break;
1522   case '*':
1523       pattern++;
1524       ret_code = FALSE;
1525       while ((*str!='\0')
1526       && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1527     /*loop*/;
1528       if (ret_code) {
1529     while (*str != '\0')
1530         str++;
1531     while (*pattern != '\0')
1532         pattern++;
1533       }
1534       break;
1535   case '[':
1536       pattern++;
1537     repeat:
1538       if ((*pattern == '\0') || (*pattern == ']')) {
1539     done = TRUE;
1540     break;
1541       }
1542       if (*pattern == '\\') {
1543     pattern++;
1544     if (*pattern == '\0') {
1545         done = TRUE;
1546         break;
1547     }
1548       }
1549       if (*(pattern + 1) == '-') {
1550     c = *pattern;
1551     pattern += 2;
1552     if (*pattern == ']') {
1553         done = TRUE;
1554         break;
1555     }
1556     if (*pattern == '\\') {
1557         pattern++;
1558         if (*pattern == '\0') {
1559       done = TRUE;
1560       break;
1561         }
1562     }
1563     if ((*str < c) || (*str > *pattern)) {
1564         pattern++;
1565         goto repeat;
1566     }
1567       } else if (*pattern != *str) {
1568     pattern++;
1569     goto repeat;
1570       }
1571       pattern++;
1572       while ((*pattern != ']') && (*pattern != '\0')) {
1573     if ((*pattern == '\\') && (*(pattern + 1) != '\0'))
1574         pattern++;
1575     pattern++;
1576       }
1577       if (*pattern != '\0') {
1578     pattern++, str++;
1579       }
1580       break;
1581   case '?':
1582       pattern++;
1583       str++;
1584       break;
1585   case OB:
1586       pattern++;
1587       while ((*pattern != CB) && (*pattern != '\0')) {
1588     cp = str;
1589     ok = TRUE;
1590     while (ok && (*cp != '\0') && (*pattern != '\0')
1591     &&  (*pattern != ',') && (*pattern != CB)) {
1592         if (*pattern == '\\')
1593       pattern++;
1594         ok = (*pattern++ == *cp++);
1595     }
1596     if (*pattern == '\0') {
1597         ok = FALSE;
1598         done = TRUE;
1599         break;
1600     } else if (ok) {
1601         str = cp;
1602         while ((*pattern != CB) && (*pattern != '\0')) {
1603       if (*++pattern == '\\') {
1604           if (*++pattern == CB)
1605         pattern++;
1606       }
1607         }
1608     } else {
1609         while (*pattern!=CB && *pattern!=',' && *pattern!='\0') {
1610       if (*++pattern == '\\') {
1611                             if (*++pattern == CB || *pattern == ',')
1612         pattern++;
1613       }
1614         }
1615     }
1616     if (*pattern != '\0')
1617         pattern++;
1618       }
1619       break;
1620   default:
1621       if (*str == *pattern) {
1622     str++, pattern++;
1623       } else {
1624     done = TRUE;
1625       }
1626   }
1627     }
1628     while (*pattern == '*')
1629   pattern++;
1630     return ((*str == '\0') && (*pattern == '\0'));
1631 };
1632
1633 #endif // 0
1634
1635 #if 0
1636
1637 // maximum mumber of lines the output console should have
1638 static const WORD MAX_CONSOLE_LINES = 500;
1639
1640 BOOL WINAPI MyConsoleHandler( DWORD dwCtrlType ) {   //  control signal type
1641   FreeConsole();
1642   return TRUE;
1643 }
1644
1645 void wxRedirectIOToConsole()
1646 {
1647     int                        hConHandle;
1648     long                       lStdHandle;
1649     CONSOLE_SCREEN_BUFFER_INFO coninfo;
1650     FILE                       *fp;
1651
1652     // allocate a console for this app
1653     AllocConsole();
1654
1655     // set the screen buffer to be big enough to let us scroll text
1656     GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE),
1657                                &coninfo);
1658     coninfo.dwSize.Y = MAX_CONSOLE_LINES;
1659     SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),
1660                                coninfo.dwSize);
1661
1662     // redirect unbuffered STDOUT to the console
1663     lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
1664     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1665     if(hConHandle <= 0) return;
1666     fp = _fdopen( hConHandle, "w" );
1667     *stdout = *fp;
1668     setvbuf( stdout, NULL, _IONBF, 0 );
1669
1670     // redirect unbuffered STDIN to the console
1671     lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);
1672     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1673     if(hConHandle <= 0) return;
1674     fp = _fdopen( hConHandle, "r" );
1675     *stdin = *fp;
1676     setvbuf( stdin, NULL, _IONBF, 0 );
1677
1678     // redirect unbuffered STDERR to the console
1679     lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);
1680     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1681     if(hConHandle <= 0) return;
1682     fp = _fdopen( hConHandle, "w" );
1683     *stderr = *fp;
1684     setvbuf( stderr, NULL, _IONBF, 0 );
1685
1686     // make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog
1687     // point to console as well
1688     ios::sync_with_stdio();
1689
1690     SetConsoleCtrlHandler(MyConsoleHandler, TRUE);
1691 }
1692 #else
1693 // Not supported
1694 void wxRedirectIOToConsole()
1695 {
1696 }
1697 #endif
1698
1699 #ifdef __WXMICROWIN__
1700 int wxGetOsVersion(int *majorVsn, int *minorVsn)
1701 {
1702     // MICROWIN_TODO
1703     if (majorVsn) *majorVsn = 0;
1704     if (minorVsn) *minorVsn = 0;
1705     return wxUNIX;
1706 }
1707 #endif
1708