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& 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 != -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 // process management
 462 // ----------------------------------------------------------------------------
 463
 464 int wxKill(long pid, int sig)
 465 {
 466     // TODO use SendMessage(WM_QUIT) and TerminateProcess() if needed
 467
 468     return 0;
 469 }
 470
 471 // Execute a program in an Interactive Shell
 472 bool wxShell(const wxString& command)
 473 {
 474     wxChar *shell = wxGetenv(wxT("COMSPEC"));
 475     if ( !shell )
 476         shell = wxT("\\COMMAND.COM");
 477
 478     wxString cmd;
 479     if ( !command )
 480     {
 481         // just the shell
 482         cmd = shell;
 483     }
 484     else
 485     {
 486         // pass the command to execute to the command processor
 487         cmd.Printf(wxT("%s /c %s"), shell, command.c_str());
 488     }
 489
 490     return wxExecute(cmd, TRUE /* sync */) != 0;
 491 }
 492
 493 // ----------------------------------------------------------------------------
 494 // misc
 495 // ----------------------------------------------------------------------------
 496
 497 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 498 long wxGetFreeMemory()
 499 {
 500 #if defined(__WIN32__) && !defined(__BORLANDC__) && !defined(__TWIN32__)
 501     MEMORYSTATUS memStatus;
 502     memStatus.dwLength = sizeof(MEMORYSTATUS);
 503     GlobalMemoryStatus(&memStatus);
 504     return memStatus.dwAvailPhys;
 505 #else
 506     return (long)GetFreeSpace(0);
 507 #endif
 508 }
 509
 510 // Emit a beeeeeep
 511 void wxBell()
 512 {
 513     ::MessageBeep((UINT)-1);        // default sound
 514 }
 515
 516 wxString wxGetOsDescription()
 517 {
 518 #ifdef __WIN32__
 519     wxString str;
 520
 521     OSVERSIONINFO info;
 522     wxZeroMemory(info);
 523
 524     info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 525     if ( ::GetVersionEx(&info) )
 526     {
 527         switch ( info.dwPlatformId )
 528         {
 529             case VER_PLATFORM_WIN32s:
 530                 str = _("Win32s on Windows 3.1");
 531                 break;
 532
 533             case VER_PLATFORM_WIN32_WINDOWS:
 534                 str.Printf(_("Windows 9%c"),
 535                            info.dwMinorVersion == 0 ? _T('5') : _T('9'));
 536                 if ( !wxIsEmpty(info.szCSDVersion) )
 537                 {
 538                     str << _T(" (") << info.szCSDVersion << _T(')');
 539                 }
 540                 break;
 541
 542             case VER_PLATFORM_WIN32_NT:
 543                 str.Printf(_T("Windows NT %lu.%lu (build %lu"),
 544                            info.dwMajorVersion,
 545                            info.dwMinorVersion,
 546                            info.dwBuildNumber);
 547                 if ( !wxIsEmpty(info.szCSDVersion) )
 548                 {
 549                     str << _T(", ") << info.szCSDVersion;
 550                 }
 551                 str << _T(')');
 552                 break;
 553         }
 554     }
 555     else
 556     {
 557         wxFAIL_MSG( _T("GetVersionEx() failed") ); // should never happen
 558     }
 559
 560     return str;
 561 #else // Win16
 562     return _("Windows 3.1");
 563 #endif // Win32/16
 564 }
 565
 566 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 567 {
 568 #if defined(__WIN32__) && !defined(__SC__)
 569     OSVERSIONINFO info;
 570     wxZeroMemory(info);
 571
 572     info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 573     if ( ::GetVersionEx(&info) )
 574     {
 575         if (majorVsn)
 576             *majorVsn = info.dwMajorVersion;
 577         if (minorVsn)
 578             *minorVsn = info.dwMinorVersion;
 579
 580         switch ( info.dwPlatformId )
 581         {
 582             case VER_PLATFORM_WIN32s:
 583                 return wxWIN32S;
 584
 585             case VER_PLATFORM_WIN32_WINDOWS:
 586                 return wxWIN95;
 587
 588             case VER_PLATFORM_WIN32_NT:
 589                 return wxWINDOWS_NT;
 590         }
 591     }
 592
 593     return wxWINDOWS; // error if we get here, return generic value
 594 #else // Win16
 595     int retValue = wxWINDOWS;
 596     #ifdef __WINDOWS_386__
 597         retValue = wxWIN386;
 598     #else
 599         #if !defined(__WATCOMC__) && !defined(GNUWIN32) && wxUSE_PENWINDOWS
 600             extern HANDLE g_hPenWin;
 601             retValue = g_hPenWin ? wxPENWINDOWS : wxWINDOWS;
 602         #endif
 603     #endif
 604
 605     if (majorVsn)
 606         *majorVsn = 3;
 607     if (minorVsn)
 608         *minorVsn = 1;
 609
 610     return retValue;
 611 #endif
 612 }
 613
 614 // ----------------------------------------------------------------------------
 615 // sleep functions
 616 // ----------------------------------------------------------------------------
 617
 618 #if wxUSE_GUI
 619
 620 // Sleep for nSecs seconds. Attempt a Windows implementation using timers.
 621 static bool gs_inTimer = FALSE;
 622
 623 class wxSleepTimer: public wxTimer
 624 {
 625 public:
 626     virtual void Notify()
 627     {
 628         gs_inTimer = FALSE;
 629         Stop();
 630     }
 631 };
 632
 633 static wxTimer *wxTheSleepTimer = NULL;
 634
 635 void wxUsleep(unsigned long milliseconds)
 636 {
 637 #ifdef __WIN32__
 638     ::Sleep(milliseconds);
 639 #else
 640     if (gs_inTimer)
 641         return;
 642
 643     wxTheSleepTimer = new wxSleepTimer;
 644     gs_inTimer = TRUE;
 645     wxTheSleepTimer->Start(milliseconds);
 646     while (gs_inTimer)
 647     {
 648         if (wxTheApp->Pending())
 649             wxTheApp->Dispatch();
 650     }
 651     delete wxTheSleepTimer;
 652     wxTheSleepTimer = NULL;
 653 #endif
 654 }
 655
 656 void wxSleep(int nSecs)
 657 {
 658     if (gs_inTimer)
 659         return;
 660
 661     wxTheSleepTimer = new wxSleepTimer;
 662     gs_inTimer = TRUE;
 663     wxTheSleepTimer->Start(nSecs*1000);
 664     while (gs_inTimer)
 665     {
 666         if (wxTheApp->Pending())
 667             wxTheApp->Dispatch();
 668     }
 669     delete wxTheSleepTimer;
 670     wxTheSleepTimer = NULL;
 671 }
 672
 673 // Consume all events until no more left
 674 void wxFlushEvents()
 675 {
 676 //  wxYield();
 677 }
 678
 679 #elif defined(__WIN32__) // wxUSE_GUI
 680
 681 void wxUsleep(unsigned long milliseconds)
 682 {
 683     ::Sleep(milliseconds);
 684 }
 685
 686 void wxSleep(int nSecs)
 687 {
 688     wxUsleep(1000*nSecs);
 689 }
 690
 691 #endif // wxUSE_GUI/!wxUSE_GUI
 692
 693 // ----------------------------------------------------------------------------
 694 // deprecated (in favour of wxLog) log functions
 695 // ----------------------------------------------------------------------------
 696
 697 #if wxUSE_GUI
 698
 699 // Output a debug mess., in a system dependent fashion.
 700 void wxDebugMsg(const wxChar *fmt ...)
 701 {
 702   va_list ap;
 703   static wxChar buffer[512];
 704
 705   if (!wxTheApp->GetWantDebugOutput())
 706     return ;
 707
 708   va_start(ap, fmt);
 709
 710   wvsprintf(buffer,fmt,ap) ;
 711   OutputDebugString((LPCTSTR)buffer) ;
 712
 713   va_end(ap);
 714 }
 715
 716 // Non-fatal error: pop up message box and (possibly) continue
 717 void wxError(const wxString& msg, const wxString& title)
 718 {
 719   wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg);
 720   if (MessageBox(NULL, (LPCTSTR)wxBuffer, (LPCTSTR)WXSTRINGCAST title,
 721              MB_ICONSTOP | MB_YESNO) == IDNO)
 722     wxExit();
 723 }
 724
 725 // Fatal error: pop up message box and abort
 726 void wxFatalError(const wxString& msg, const wxString& title)
 727 {
 728   wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg);
 729   FatalAppExit(0, (LPCTSTR)wxBuffer);
 730 }
 731
 732 // ----------------------------------------------------------------------------
 733 // functions to work with .INI files
 734 // ----------------------------------------------------------------------------
 735
 736 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 737 #if wxUSE_RESOURCES
 738 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 739 {
 740   if (file != wxT(""))
 741 // Don't know what the correct cast should be, but it doesn't
 742 // compile in BC++/16-bit without this cast.
 743 #if !defined(__WIN32__)
 744     return (WritePrivateProfileString((const char*) section, (const char*) entry, (const char*) value, (const char*) file) != 0);
 745 #else
 746     return (WritePrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)value, (LPCTSTR)WXSTRINGCAST file) != 0);
 747 #endif
 748   else
 749     return (WriteProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)WXSTRINGCAST value) != 0);
 750 }
 751
 752 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 753 {
 754     wxString buf;
 755     buf.Printf(wxT("%.4f"), value);
 756
 757     return wxWriteResource(section, entry, buf, file);
 758 }
 759
 760 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 761 {
 762     wxString buf;
 763     buf.Printf(wxT("%ld"), value);
 764
 765     return wxWriteResource(section, entry, buf, file);
 766 }
 767
 768 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
 769 {
 770     wxString buf;
 771     buf.Printf(wxT("%d"), value);
 772
 773     return wxWriteResource(section, entry, buf, file);
 774 }
 775
 776 bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file)
 777 {
 778     static const wxChar defunkt[] = wxT("$$default");
 779     if (file != wxT(""))
 780     {
 781         int n = GetPrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
 782                 (LPTSTR)wxBuffer, 1000, (LPCTSTR)WXSTRINGCAST file);
 783         if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
 784             return FALSE;
 785     }
 786     else
 787     {
 788         int n = GetProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
 789                 (LPTSTR)wxBuffer, 1000);
 790         if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
 791             return FALSE;
 792     }
 793     if (*value) delete[] (*value);
 794     *value = copystring(wxBuffer);
 795     return TRUE;
 796 }
 797
 798 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
 799 {
 800     wxChar *s = NULL;
 801     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
 802     if (succ)
 803     {
 804         *value = (float)wxStrtod(s, NULL);
 805         delete[] s;
 806         return TRUE;
 807     }
 808     else return FALSE;
 809 }
 810
 811 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
 812 {
 813     wxChar *s = NULL;
 814     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
 815     if (succ)
 816     {
 817         *value = wxStrtol(s, NULL, 10);
 818         delete[] s;
 819         return TRUE;
 820     }
 821     else return FALSE;
 822 }
 823
 824 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
 825 {
 826     wxChar *s = NULL;
 827     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
 828     if (succ)
 829     {
 830         *value = (int)wxStrtol(s, NULL, 10);
 831         delete[] s;
 832         return TRUE;
 833     }
 834     else return FALSE;
 835 }
 836 #endif // wxUSE_RESOURCES
 837
 838 // ---------------------------------------------------------------------------
 839 // helper functions for showing a "busy" cursor
 840 // ---------------------------------------------------------------------------
 841
 842 static HCURSOR gs_wxBusyCursor = 0;     // new, busy cursor
 843 static HCURSOR gs_wxBusyCursorOld = 0;  // old cursor
 844 static int gs_wxBusyCursorCount = 0;
 845
 846 extern HCURSOR wxGetCurrentBusyCursor()
 847 {
 848     return gs_wxBusyCursor;
 849 }
 850
 851 // Set the cursor to the busy cursor for all windows
 852 void wxBeginBusyCursor(wxCursor *cursor)
 853 {
 854     if ( gs_wxBusyCursorCount++ == 0 )
 855     {
 856         gs_wxBusyCursor = (HCURSOR)cursor->GetHCURSOR();
 857         gs_wxBusyCursorOld = ::SetCursor(gs_wxBusyCursor);
 858     }
 859     //else: nothing to do, already set
 860 }
 861
 862 // Restore cursor to normal
 863 void wxEndBusyCursor()
 864 {
 865     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 866                  wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 867
 868     if ( --gs_wxBusyCursorCount == 0 )
 869     {
 870         ::SetCursor(gs_wxBusyCursorOld);
 871
 872         gs_wxBusyCursorOld = 0;
 873     }
 874 }
 875
 876 // TRUE if we're between the above two calls
 877 bool wxIsBusy()
 878 {
 879   return (gs_wxBusyCursorCount > 0);
 880 }
 881
 882 // Check whether this window wants to process messages, e.g. Stop button
 883 // in long calculations.
 884 bool wxCheckForInterrupt(wxWindow *wnd)
 885 {
 886     wxCHECK( wnd, FALSE );
 887
 888     MSG msg;
 889     while ( ::PeekMessage(&msg, GetHwndOf(wnd), 0, 0, PM_REMOVE) )
 890     {
 891         ::TranslateMessage(&msg);
 892         ::DispatchMessage(&msg);
 893     }
 894
 895     return TRUE;
 896 }
 897
 898 // MSW only: get user-defined resource from the .res file.
 899 // Returns NULL or newly-allocated memory, so use delete[] to clean up.
 900
 901 wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType)
 902 {
 903     HRSRC hResource = ::FindResource(wxGetInstance(), resourceName, resourceType);
 904     if ( hResource == 0 )
 905         return NULL;
 906
 907     HGLOBAL hData = ::LoadResource(wxGetInstance(), hResource);
 908     if ( hData == 0 )
 909         return NULL;
 910
 911     wxChar *theText = (wxChar *)::LockResource(hData);
 912     if ( !theText )
 913         return NULL;
 914
 915     // Not all compilers put a zero at the end of the resource (e.g. BC++ doesn't).
 916     // so we need to find the length of the resource.
 917     int len = ::SizeofResource(wxGetInstance(), hResource);
 918     wxChar  *s = new wxChar[len+1];
 919     wxStrncpy(s,theText,len);
 920     s[len]=0;
 921
 922     // wxChar *s = copystring(theText);
 923
 924     // Obsolete in WIN32
 925 #ifndef __WIN32__
 926     UnlockResource(hData);
 927 #endif
 928
 929     // No need??
 930     //  GlobalFree(hData);
 931
 932     return s;
 933 }
 934
 935 // ----------------------------------------------------------------------------
 936 // get display info
 937 // ----------------------------------------------------------------------------
 938
 939 // See also the wxGetMousePosition in window.cpp
 940 // Deprecated: use wxPoint wxGetMousePosition() instead
 941 void wxGetMousePosition( int* x, int* y )
 942 {
 943     POINT pt;
 944     GetCursorPos( & pt );
 945     if ( x ) *x = pt.x;
 946     if ( y ) *y = pt.y;
 947 };
 948
 949 // Return TRUE if we have a colour display
 950 bool wxColourDisplay()
 951 {
 952     ScreenHDC dc;
 953     int noCols = GetDeviceCaps(dc, NUMCOLORS);
 954
 955     return (noCols == -1) || (noCols > 2);
 956 }
 957
 958 // Returns depth of screen
 959 int wxDisplayDepth()
 960 {
 961     ScreenHDC dc;
 962     return GetDeviceCaps(dc, PLANES) * GetDeviceCaps(dc, BITSPIXEL);
 963 }
 964
 965 // Get size of display
 966 void wxDisplaySize(int *width, int *height)
 967 {
 968     ScreenHDC dc;
 969
 970     if ( width ) *width = GetDeviceCaps(dc, HORZRES);
 971     if ( height ) *height = GetDeviceCaps(dc, VERTRES);
 972 }
 973
 974 void wxDisplaySizeMM(int *width, int *height)
 975 {
 976     ScreenHDC dc;
 977
 978     if ( width ) *width = GetDeviceCaps(dc, HORZSIZE);
 979     if ( height ) *height = GetDeviceCaps(dc, VERTSIZE);
 980 }
 981
 982
 983 // ---------------------------------------------------------------------------
 984 // window information functions
 985 // ---------------------------------------------------------------------------
 986
 987 wxString WXDLLEXPORT wxGetWindowText(WXHWND hWnd)
 988 {
 989     wxString str;
 990     int len = GetWindowTextLength((HWND)hWnd) + 1;
 991     GetWindowText((HWND)hWnd, str.GetWriteBuf(len), len);
 992     str.UngetWriteBuf();
 993
 994     return str;
 995 }
 996
 997 wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd)
 998 {
 999     wxString str;
1000
1001     int len = 256; // some starting value
1002
1003     for ( ;; )
1004     {
1005         // as we've #undefined GetClassName we must now manually choose the
1006         // right function to call
1007         int count =
1008
1009         #ifndef __WIN32__
1010             GetClassName
1011         #else // Win32
1012             #ifdef UNICODE
1013                 GetClassNameW
1014             #else // !Unicode
1015                 #ifdef __TWIN32__
1016                     GetClassName
1017                 #else // !Twin32
1018                     GetClassNameA
1019                 #endif // Twin32/!Twin32
1020             #endif // Unicode/ANSI
1021         #endif // Win16/32
1022                                     ((HWND)hWnd, str.GetWriteBuf(len), len);
1023
1024         str.UngetWriteBuf();
1025         if ( count == len )
1026         {
1027             // the class name might have been truncated, retry with larger
1028             // buffer
1029             len *= 2;
1030         }
1031         else
1032         {
1033             break;
1034         }
1035     }
1036
1037     return str;
1038 }
1039
1040 WXWORD WXDLLEXPORT wxGetWindowId(WXHWND hWnd)
1041 {
1042 #ifndef __WIN32__
1043     return GetWindowWord((HWND)hWnd, GWW_ID);
1044 #else // Win32
1045     return GetWindowLong((HWND)hWnd, GWL_ID);
1046 #endif // Win16/32
1047 }
1048
1049 #endif // wxUSE_GUI
1050
1051 #if 0
1052 //------------------------------------------------------------------------
1053 // wild character routines
1054 //------------------------------------------------------------------------
1055
1056 bool wxIsWild( const wxString& pattern )
1057 {
1058   wxString tmp = pattern;
1059   char *pat = WXSTRINGCAST(tmp);
1060     while (*pat) {
1061   switch (*pat++) {
1062   case '?': case '*': case '[': case '{':
1063       return TRUE;
1064   case '\\':
1065       if (!*pat++)
1066     return FALSE;
1067   }
1068     }
1069     return FALSE;
1070 };
1071
1072
1073 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1074 {
1075   wxString tmp1 = pat;
1076   char *pattern = WXSTRINGCAST(tmp1);
1077   wxString tmp2 = text;
1078   char *str = WXSTRINGCAST(tmp2);
1079     char c;
1080     char *cp;
1081     bool done = FALSE, ret_code, ok;
1082     // Below is for vi fans
1083     const char OB = '{', CB = '}';
1084
1085     // dot_special means '.' only matches '.'
1086     if (dot_special && *str == '.' && *pattern != *str)
1087   return FALSE;
1088
1089     while ((*pattern != '\0') && (!done)
1090     && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) {
1091   switch (*pattern) {
1092   case '\\':
1093       pattern++;
1094       if (*pattern != '\0')
1095     pattern++;
1096       break;
1097   case '*':
1098       pattern++;
1099       ret_code = FALSE;
1100       while ((*str!='\0')
1101       && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1102     /*loop*/;
1103       if (ret_code) {
1104     while (*str != '\0')
1105         str++;
1106     while (*pattern != '\0')
1107         pattern++;
1108       }
1109       break;
1110   case '[':
1111       pattern++;
1112     repeat:
1113       if ((*pattern == '\0') || (*pattern == ']')) {
1114     done = TRUE;
1115     break;
1116       }
1117       if (*pattern == '\\') {
1118     pattern++;
1119     if (*pattern == '\0') {
1120         done = TRUE;
1121         break;
1122     }
1123       }
1124       if (*(pattern + 1) == '-') {
1125     c = *pattern;
1126     pattern += 2;
1127     if (*pattern == ']') {
1128         done = TRUE;
1129         break;
1130     }
1131     if (*pattern == '\\') {
1132         pattern++;
1133         if (*pattern == '\0') {
1134       done = TRUE;
1135       break;
1136         }
1137     }
1138     if ((*str < c) || (*str > *pattern)) {
1139         pattern++;
1140         goto repeat;
1141     }
1142       } else if (*pattern != *str) {
1143     pattern++;
1144     goto repeat;
1145       }
1146       pattern++;
1147       while ((*pattern != ']') && (*pattern != '\0')) {
1148     if ((*pattern == '\\') && (*(pattern + 1) != '\0'))
1149         pattern++;
1150     pattern++;
1151       }
1152       if (*pattern != '\0') {
1153     pattern++, str++;
1154       }
1155       break;
1156   case '?':
1157       pattern++;
1158       str++;
1159       break;
1160   case OB:
1161       pattern++;
1162       while ((*pattern != CB) && (*pattern != '\0')) {
1163     cp = str;
1164     ok = TRUE;
1165     while (ok && (*cp != '\0') && (*pattern != '\0')
1166     &&  (*pattern != ',') && (*pattern != CB)) {
1167         if (*pattern == '\\')
1168       pattern++;
1169         ok = (*pattern++ == *cp++);
1170     }
1171     if (*pattern == '\0') {
1172         ok = FALSE;
1173         done = TRUE;
1174         break;
1175     } else if (ok) {
1176         str = cp;
1177         while ((*pattern != CB) && (*pattern != '\0')) {
1178       if (*++pattern == '\\') {
1179           if (*++pattern == CB)
1180         pattern++;
1181       }
1182         }
1183     } else {
1184         while (*pattern!=CB && *pattern!=',' && *pattern!='\0') {
1185       if (*++pattern == '\\') {
1186                             if (*++pattern == CB || *pattern == ',')
1187         pattern++;
1188       }
1189         }
1190     }
1191     if (*pattern != '\0')
1192         pattern++;
1193       }
1194       break;
1195   default:
1196       if (*str == *pattern) {
1197     str++, pattern++;
1198       } else {
1199     done = TRUE;
1200       }
1201   }
1202     }
1203     while (*pattern == '*')
1204   pattern++;
1205     return ((*str == '\0') && (*pattern == '\0'));
1206 };
1207
1208 #endif // 0
1209
1210 #if 0
1211
1212 // maximum mumber of lines the output console should have
1213 static const WORD MAX_CONSOLE_LINES = 500;
1214
1215 BOOL WINAPI MyConsoleHandler( DWORD dwCtrlType ) {   //  control signal type
1216   FreeConsole();
1217   return TRUE;
1218 }
1219
1220 void wxRedirectIOToConsole()
1221 {
1222     int                        hConHandle;
1223     long                       lStdHandle;
1224     CONSOLE_SCREEN_BUFFER_INFO coninfo;
1225     FILE                       *fp;
1226
1227     // allocate a console for this app
1228     AllocConsole();
1229
1230     // set the screen buffer to be big enough to let us scroll text
1231     GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE),
1232                                &coninfo);
1233     coninfo.dwSize.Y = MAX_CONSOLE_LINES;
1234     SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),
1235                                coninfo.dwSize);
1236
1237     // redirect unbuffered STDOUT to the console
1238     lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
1239     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1240     if(hConHandle <= 0) return;
1241     fp = _fdopen( hConHandle, "w" );
1242     *stdout = *fp;
1243     setvbuf( stdout, NULL, _IONBF, 0 );
1244
1245     // redirect unbuffered STDIN to the console
1246     lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);
1247     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1248     if(hConHandle <= 0) return;
1249     fp = _fdopen( hConHandle, "r" );
1250     *stdin = *fp;
1251     setvbuf( stdin, NULL, _IONBF, 0 );
1252
1253     // redirect unbuffered STDERR to the console
1254     lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);
1255     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1256     if(hConHandle <= 0) return;
1257     fp = _fdopen( hConHandle, "w" );
1258     *stderr = *fp;
1259     setvbuf( stderr, NULL, _IONBF, 0 );
1260
1261     // make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog
1262     // point to console as well
1263     ios::sync_with_stdio();
1264
1265     SetConsoleCtrlHandler(MyConsoleHandler, TRUE);
1266 }
1267 #else
1268 // Not supported
1269 void wxRedirectIOToConsole()
1270 {
1271 }
1272 #endif
1273
1274