src/msw/utils.cpp

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