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 #endif  //WX_PRECOMP
  36
  37 #include "wx/msw/private.h"     // includes <windows.h>
  38
  39 #include "wx/timer.h"
  40 #include "wx/intl.h"
  41
  42 #include <ctype.h>
  43
  44 #if !defined(__GNUWIN32__) && !defined(__WXWINE__) && !defined(__SALFORDC__)
  45     #include <direct.h>
  46
  47     #ifndef __MWERKS__
  48         #include <dos.h>
  49     #endif
  50 #endif  //GNUWIN32
  51
  52 #if defined(__GNUWIN32__) && !defined(__TWIN32__)
  53     #include <sys/unistd.h>
  54     #include <sys/stat.h>
  55 #endif  //GNUWIN32
  56
  57 #include "wx/log.h"
  58
  59 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
  60                     // this (3.1 I believe) and how to test for it.
  61                     // If this works for Borland 4.0 as well, then no worries.
  62     #include <dir.h>
  63 #endif
  64
  65 // VZ: there is some code using NetXXX() functions to get the full user name:
  66 //     I don't think it's a good idea because they don't work under Win95 and
  67 //     seem to return the same as wxGetUserId() under NT. If you really want
  68 //     to use them, just #define USE_NET_API
  69 #undef USE_NET_API
  70
  71 #ifdef USE_NET_API
  72     #include <lm.h>
  73 #endif // USE_NET_API
  74
  75 #if defined(__WIN32__) && !defined(__WXWINE__)
  76     #include <io.h>
  77
  78     #ifndef __GNUWIN32__
  79         #include <shellapi.h>
  80     #endif
  81 #endif
  82
  83 #include <stdio.h>
  84 #include <stdlib.h>
  85 #include <string.h>
  86 #ifndef __WATCOMC__
  87     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  88         #include <errno.h>
  89     #endif
  90 #endif
  91 #include <stdarg.h>
  92
  93 //// BEGIN for console support: VC++ only
  94 #ifdef __VISUALC__
  95
  96 #include "wx/msw/msvcrt.h"
  97
  98 #include <fcntl.h>
  99
 100 #include "wx/ioswrap.h"
 101
 102 #if wxUSE_IOSTREAMH
 103 // N.B. BC++ doesn't have istream.h, ostream.h
 104 #  include <io.h>
 105 #  include <fstream.h>
 106 #else
 107 #  include <fstream>
 108 #endif
 109
 110 /* Need to undef new if including crtdbg.h */
 111 #  ifdef new
 112 #  undef new
 113 #  endif
 114
 115 #ifndef __WIN16__
 116 #  include <crtdbg.h>
 117 #endif
 118
 119 #  if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS
 120 #  define new new(__FILE__,__LINE__)
 121 #  endif
 122
 123 #endif
 124   // __VISUALC__
 125 /// END for console support
 126
 127 // ----------------------------------------------------------------------------
 128 // constants
 129 // ----------------------------------------------------------------------------
 130
 131 // In the WIN.INI file
 132 static const wxChar WX_SECTION[] = wxT("wxWindows");
 133 static const wxChar eUSERNAME[]  = wxT("UserName");
 134
 135 // these are only used under Win16
 136 #ifndef __WIN32__
 137 static const wxChar eHOSTNAME[]  = wxT("HostName");
 138 static const wxChar eUSERID[]    = wxT("UserId");
 139 #endif // !Win32
 140
 141 // ============================================================================
 142 // implementation
 143 // ============================================================================
 144
 145 // ----------------------------------------------------------------------------
 146 // get host name and related
 147 // ----------------------------------------------------------------------------
 148
 149 // Get full hostname (eg. DoDo.BSn-Germany.crg.de)
 150 bool wxGetHostName(wxChar *buf, int maxSize)
 151 {
 152 #if defined(__WIN32__) && !defined(__TWIN32__)
 153     // TODO should use GetComputerNameEx() when available
 154
 155     DWORD nSize = maxSize;
 156     if ( !::GetComputerName(buf, &nSize) )
 157     {
 158         wxLogLastError("GetComputerName");
 159
 160         return FALSE;
 161     }
 162
 163     return TRUE;
 164 #else
 165     wxChar *sysname;
 166     const wxChar *default_host = wxT("noname");
 167
 168     if ((sysname = wxGetenv(wxT("SYSTEM_NAME"))) == NULL) {
 169         GetProfileString(WX_SECTION, eHOSTNAME, default_host, buf, maxSize - 1);
 170     } else
 171         wxStrncpy(buf, sysname, maxSize - 1);
 172     buf[maxSize] = wxT('\0');
 173     return *buf ? TRUE : FALSE;
 174 #endif
 175 }
 176
 177 bool wxGetFullHostName(wxChar *buf, int maxSize)
 178 {
 179     return wxGetHostName(buf, maxSize);
 180 }
 181
 182 // Get user ID e.g. jacs
 183 bool wxGetUserId(wxChar *buf, int maxSize)
 184 {
 185 #if defined(__WIN32__) && !defined(__win32s__) && !defined(__TWIN32__)
 186     DWORD nSize = maxSize;
 187     if ( ::GetUserName(buf, &nSize) == 0 )
 188     {
 189         // actually, it does happen on Win9x if the user didn't log on
 190         DWORD res = ::GetEnvironmentVariable(wxT("username"), buf, maxSize);
 191         if ( res == 0 )
 192         {
 193             // not found
 194             return FALSE;
 195         }
 196     }
 197
 198     return TRUE;
 199 #else   // Win16 or Win32s
 200     wxChar *user;
 201     const wxChar *default_id = wxT("anonymous");
 202
 203     // Can't assume we have NIS (PC-NFS) or some other ID daemon
 204     // So we ...
 205     if (  (user = wxGetenv(wxT("USER"))) == NULL &&
 206             (user = wxGetenv(wxT("LOGNAME"))) == NULL )
 207     {
 208         // Use wxWindows configuration data (comming soon)
 209         GetProfileString(WX_SECTION, eUSERID, default_id, buf, maxSize - 1);
 210     }
 211     else
 212     {
 213         wxStrncpy(buf, user, maxSize - 1);
 214     }
 215
 216     return *buf ? TRUE : FALSE;
 217 #endif
 218 }
 219
 220 // Get user name e.g. Julian Smart
 221 bool wxGetUserName(wxChar *buf, int maxSize)
 222 {
 223 #if wxUSE_PENWINDOWS && !defined(__WATCOMC__) && !defined(__GNUWIN32__)
 224     extern HANDLE g_hPenWin; // PenWindows Running?
 225     if (g_hPenWin)
 226     {
 227         // PenWindows Does have a user concept!
 228         // Get the current owner of the recognizer
 229         GetPrivateProfileString("Current", "User", default_name, wxBuffer, maxSize - 1, "PENWIN.INI");
 230         strncpy(buf, wxBuffer, maxSize - 1);
 231     }
 232     else
 233 #endif
 234     {
 235 #ifdef USE_NET_API
 236         CHAR szUserName[256];
 237         if ( !wxGetUserId(szUserName, WXSIZEOF(szUserName)) )
 238             return FALSE;
 239
 240         // TODO how to get the domain name?
 241         CHAR *szDomain = "";
 242
 243         // the code is based on the MSDN example (also see KB article Q119670)
 244         WCHAR wszUserName[256];          // Unicode user name
 245         WCHAR wszDomain[256];
 246         LPBYTE ComputerName;
 247
 248         USER_INFO_2 *ui2;         // User structure
 249
 250         // Convert ANSI user name and domain to Unicode
 251         MultiByteToWideChar( CP_ACP, 0, szUserName, strlen(szUserName)+1,
 252                 wszUserName, WXSIZEOF(wszUserName) );
 253         MultiByteToWideChar( CP_ACP, 0, szDomain, strlen(szDomain)+1,
 254                 wszDomain, WXSIZEOF(wszDomain) );
 255
 256         // Get the computer name of a DC for the domain.
 257         if ( NetGetDCName( NULL, wszDomain, &ComputerName ) != NERR_Success )
 258         {
 259             wxLogError(wxT("Can not find domain controller"));
 260
 261             goto error;
 262         }
 263
 264         // Look up the user on the DC
 265         NET_API_STATUS status = NetUserGetInfo( (LPWSTR)ComputerName,
 266                 (LPWSTR)&wszUserName,
 267                 2, // level - we want USER_INFO_2
 268                 (LPBYTE *) &ui2 );
 269         switch ( status )
 270         {
 271             case NERR_Success:
 272                 // ok
 273                 break;
 274
 275             case NERR_InvalidComputer:
 276                 wxLogError(wxT("Invalid domain controller name."));
 277
 278                 goto error;
 279
 280             case NERR_UserNotFound:
 281                 wxLogError(wxT("Invalid user name '%s'."), szUserName);
 282
 283                 goto error;
 284
 285             default:
 286                 wxLogSysError(wxT("Can't get information about user"));
 287
 288                 goto error;
 289         }
 290
 291         // Convert the Unicode full name to ANSI
 292         WideCharToMultiByte( CP_ACP, 0, ui2->usri2_full_name, -1,
 293                 buf, maxSize, NULL, NULL );
 294
 295         return TRUE;
 296
 297 error:
 298         wxLogError(wxT("Couldn't look up full user name."));
 299
 300         return FALSE;
 301 #else  // !USE_NET_API
 302         // Could use NIS, MS-Mail or other site specific programs
 303         // Use wxWindows configuration data
 304         bool ok = GetProfileString(WX_SECTION, eUSERNAME, wxT(""), buf, maxSize - 1) != 0;
 305         if ( !ok )
 306         {
 307             ok = wxGetUserId(buf, maxSize);
 308         }
 309
 310         if ( !ok )
 311         {
 312             wxStrncpy(buf, wxT("Unknown User"), maxSize);
 313         }
 314 #endif // Win32/16
 315     }
 316
 317     return TRUE;
 318 }
 319
 320 const wxChar* wxGetHomeDir(wxString *pstr)
 321 {
 322   wxString& strDir = *pstr;
 323
 324   #if defined(__UNIX__) && !defined(__TWIN32__)
 325     const wxChar *szHome = wxGetenv("HOME");
 326     if ( szHome == NULL ) {
 327       // we're homeless...
 328       wxLogWarning(_("can't find user's HOME, using current directory."));
 329       strDir = wxT(".");
 330     }
 331     else
 332        strDir = szHome;
 333
 334     // add a trailing slash if needed
 335     if ( strDir.Last() != wxT('/') )
 336       strDir << wxT('/');
 337   #else   // Windows
 338     #ifdef  __WIN32__
 339       const wxChar *szHome = wxGetenv(wxT("HOMEDRIVE"));
 340       if ( szHome != NULL )
 341         strDir << szHome;
 342       szHome = wxGetenv(wxT("HOMEPATH"));
 343       if ( szHome != NULL ) {
 344         strDir << szHome;
 345
 346         // the idea is that under NT these variables have default values
 347         // of "%systemdrive%:" and "\\". As we don't want to create our
 348         // config files in the root directory of the system drive, we will
 349         // create it in our program's dir. However, if the user took care
 350         // to set HOMEPATH to something other than "\\", we suppose that he
 351         // knows what he is doing and use the supplied value.
 352         if ( wxStrcmp(szHome, wxT("\\")) != 0 )
 353           return strDir.c_str();
 354       }
 355
 356     #else   // Win16
 357       // Win16 has no idea about home, so use the working directory instead
 358     #endif  // WIN16/32
 359
 360     // 260 was taken from windef.h
 361     #ifndef MAX_PATH
 362       #define MAX_PATH  260
 363     #endif
 364
 365     wxString strPath;
 366     ::GetModuleFileName(::GetModuleHandle(NULL),
 367                         strPath.GetWriteBuf(MAX_PATH), MAX_PATH);
 368     strPath.UngetWriteBuf();
 369
 370     // extract the dir name
 371     wxSplitPath(strPath, &strDir, NULL, NULL);
 372
 373   #endif  // UNIX/Win
 374
 375   return strDir.c_str();
 376 }
 377
 378 wxChar *wxGetUserHome(const wxString& user)
 379 {
 380     // VZ: the old code here never worked for user != "" anyhow! Moreover, it
 381     //     returned sometimes a malloc()'d pointer, sometimes a pointer to a
 382     //     static buffer and sometimes I don't even know what.
 383     static wxString s_home;
 384
 385     return (wxChar *)wxGetHomeDir(&s_home);
 386 }
 387
 388 bool wxDirExists(const wxString& dir)
 389 {
 390 #if defined(__WIN32__)
 391     WIN32_FIND_DATA fileInfo;
 392 #else // Win16
 393     #ifdef __BORLANDC__
 394         struct ffblk fileInfo;
 395     #else
 396         struct find_t fileInfo;
 397     #endif
 398 #endif // Win32/16
 399
 400 #if defined(__WIN32__)
 401     HANDLE h = ::FindFirstFile(dir, &fileInfo);
 402
 403     if ( h == INVALID_HANDLE_VALUE )
 404     {
 405         wxLogLastError("FindFirstFile");
 406
 407         return FALSE;
 408     }
 409
 410     ::FindClose(h);
 411
 412     return (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
 413 #else // Win16
 414     // In Borland findfirst has a different argument
 415     // ordering from _dos_findfirst. But _dos_findfirst
 416     // _should_ be ok in both MS and Borland... why not?
 417     #ifdef __BORLANDC__
 418         return (findfirst(dir, &fileInfo, _A_SUBDIR) == 0 &&
 419                (fileInfo.ff_attrib & _A_SUBDIR) != 0);
 420     #else
 421         return (_dos_findfirst(dir, _A_SUBDIR, &fileInfo) == 0) &&
 422                ((fileInfo.attrib & _A_SUBDIR) != 0);
 423     #endif
 424 #endif // Win32/16
 425 }
 426
 427 // ----------------------------------------------------------------------------
 428 // process management
 429 // ----------------------------------------------------------------------------
 430
 431 int wxKill(long pid, int sig)
 432 {
 433     // TODO use SendMessage(WM_QUIT) and TerminateProcess() if needed
 434
 435     return 0;
 436 }
 437
 438 // Execute a program in an Interactive Shell
 439 bool wxShell(const wxString& command)
 440 {
 441     wxChar *shell = wxGetenv(wxT("COMSPEC"));
 442     if ( !shell )
 443         shell = wxT("\\COMMAND.COM");
 444
 445     wxString cmd;
 446     if ( !command )
 447     {
 448         // just the shell
 449         cmd = shell;
 450     }
 451     else
 452     {
 453         // pass the command to execute to the command processor
 454         cmd.Printf(wxT("%s /c %s"), shell, command.c_str());
 455     }
 456
 457     return wxExecute(cmd, TRUE /* sync */) != 0;
 458 }
 459
 460 // ----------------------------------------------------------------------------
 461 // misc
 462 // ----------------------------------------------------------------------------
 463
 464 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 465 long wxGetFreeMemory()
 466 {
 467 #if defined(__WIN32__) && !defined(__BORLANDC__) && !defined(__TWIN32__)
 468     MEMORYSTATUS memStatus;
 469     memStatus.dwLength = sizeof(MEMORYSTATUS);
 470     GlobalMemoryStatus(&memStatus);
 471     return memStatus.dwAvailPhys;
 472 #else
 473     return (long)GetFreeSpace(0);
 474 #endif
 475 }
 476
 477 // Emit a beeeeeep
 478 void wxBell()
 479 {
 480     ::MessageBeep((UINT)-1);        // default sound
 481 }
 482
 483 wxString wxGetOsDescription()
 484 {
 485 #ifdef __WIN32__
 486     wxString str;
 487
 488     OSVERSIONINFO info;
 489     wxZeroMemory(info);
 490
 491     info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 492     if ( ::GetVersionEx(&info) )
 493     {
 494         switch ( info.dwPlatformId )
 495         {
 496             case VER_PLATFORM_WIN32s:
 497                 str = _("Win32s on Windows 3.1");
 498                 break;
 499
 500             case VER_PLATFORM_WIN32_WINDOWS:
 501                 str.Printf(_("Windows 9%c"),
 502                            info.dwMinorVersion == 0 ? _T('5') : _T('9'));
 503                 if ( !wxIsEmpty(info.szCSDVersion) )
 504                 {
 505                     str << _T(" (") << info.szCSDVersion << _T(')');
 506                 }
 507                 break;
 508
 509             case VER_PLATFORM_WIN32_NT:
 510                 str.Printf(_T("Windows NT %lu.%lu (build %lu"),
 511                            info.dwMajorVersion,
 512                            info.dwMinorVersion,
 513                            info.dwBuildNumber);
 514                 if ( !wxIsEmpty(info.szCSDVersion) )
 515                 {
 516                     str << _T(", ") << info.szCSDVersion;
 517                 }
 518                 str << _T(')');
 519                 break;
 520         }
 521     }
 522     else
 523     {
 524         wxFAIL_MSG( _T("GetVersionEx() failed") ); // should never happen
 525     }
 526
 527     return str;
 528 #else // Win16
 529     return _("Windows 3.1");
 530 #endif // Win32/16
 531 }
 532
 533 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 534 {
 535 #if defined(__WIN32__) && !defined(__SC__)
 536     OSVERSIONINFO info;
 537     wxZeroMemory(info);
 538
 539     info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 540     if ( ::GetVersionEx(&info) )
 541     {
 542         if (majorVsn)
 543             *majorVsn = info.dwMajorVersion;
 544         if (minorVsn)
 545             *minorVsn = info.dwMinorVersion;
 546
 547         switch ( info.dwPlatformId )
 548         {
 549             case VER_PLATFORM_WIN32s:
 550                 return wxWIN32S;
 551
 552             case VER_PLATFORM_WIN32_WINDOWS:
 553                 return wxWIN95;
 554
 555             case VER_PLATFORM_WIN32_NT:
 556                 return wxWINDOWS_NT;
 557         }
 558     }
 559
 560     return wxWINDOWS; // error if we get here, return generic value
 561 #else // Win16
 562     int retValue = wxWINDOWS;
 563     #ifdef __WINDOWS_386__
 564         retValue = wxWIN386;
 565     #else
 566         #if !defined(__WATCOMC__) && !defined(GNUWIN32) && wxUSE_PENWINDOWS
 567             extern HANDLE g_hPenWin;
 568             retValue = g_hPenWin ? wxPENWINDOWS : wxWINDOWS;
 569         #endif
 570     #endif
 571
 572     if (majorVsn)
 573         *majorVsn = 3;
 574     if (minorVsn)
 575         *minorVsn = 1;
 576
 577     return retValue;
 578 #endif
 579 }
 580
 581 // ----------------------------------------------------------------------------
 582 // sleep functions
 583 // ----------------------------------------------------------------------------
 584
 585 #if wxUSE_GUI
 586
 587 // Sleep for nSecs seconds. Attempt a Windows implementation using timers.
 588 static bool gs_inTimer = FALSE;
 589
 590 class wxSleepTimer: public wxTimer
 591 {
 592 public:
 593     virtual void Notify()
 594     {
 595         gs_inTimer = FALSE;
 596         Stop();
 597     }
 598 };
 599
 600 static wxTimer *wxTheSleepTimer = NULL;
 601
 602 void wxUsleep(unsigned long milliseconds)
 603 {
 604 #ifdef __WIN32__
 605     ::Sleep(milliseconds);
 606 #else
 607     if (gs_inTimer)
 608         return;
 609
 610     wxTheSleepTimer = new wxSleepTimer;
 611     gs_inTimer = TRUE;
 612     wxTheSleepTimer->Start(milliseconds);
 613     while (gs_inTimer)
 614     {
 615         if (wxTheApp->Pending())
 616             wxTheApp->Dispatch();
 617     }
 618     delete wxTheSleepTimer;
 619     wxTheSleepTimer = NULL;
 620 #endif
 621 }
 622
 623 void wxSleep(int nSecs)
 624 {
 625     if (gs_inTimer)
 626         return;
 627
 628     wxTheSleepTimer = new wxSleepTimer;
 629     gs_inTimer = TRUE;
 630     wxTheSleepTimer->Start(nSecs*1000);
 631     while (gs_inTimer)
 632     {
 633         if (wxTheApp->Pending())
 634             wxTheApp->Dispatch();
 635     }
 636     delete wxTheSleepTimer;
 637     wxTheSleepTimer = NULL;
 638 }
 639
 640 // Consume all events until no more left
 641 void wxFlushEvents()
 642 {
 643 //  wxYield();
 644 }
 645
 646 #elif defined(__WIN32__) // wxUSE_GUI
 647
 648 void wxUsleep(unsigned long milliseconds)
 649 {
 650     ::Sleep(milliseconds);
 651 }
 652
 653 void wxSleep(int nSecs)
 654 {
 655     wxUsleep(1000*nSecs);
 656 }
 657
 658 #endif // wxUSE_GUI/!wxUSE_GUI
 659
 660 // ----------------------------------------------------------------------------
 661 // deprecated (in favour of wxLog) log functions
 662 // ----------------------------------------------------------------------------
 663
 664 #if wxUSE_GUI
 665
 666 // Output a debug mess., in a system dependent fashion.
 667 void wxDebugMsg(const wxChar *fmt ...)
 668 {
 669   va_list ap;
 670   static wxChar buffer[512];
 671
 672   if (!wxTheApp->GetWantDebugOutput())
 673     return ;
 674
 675   va_start(ap, fmt);
 676
 677   wvsprintf(buffer,fmt,ap) ;
 678   OutputDebugString((LPCTSTR)buffer) ;
 679
 680   va_end(ap);
 681 }
 682
 683 // Non-fatal error: pop up message box and (possibly) continue
 684 void wxError(const wxString& msg, const wxString& title)
 685 {
 686   wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg);
 687   if (MessageBox(NULL, (LPCTSTR)wxBuffer, (LPCTSTR)WXSTRINGCAST title,
 688              MB_ICONSTOP | MB_YESNO) == IDNO)
 689     wxExit();
 690 }
 691
 692 // Fatal error: pop up message box and abort
 693 void wxFatalError(const wxString& msg, const wxString& title)
 694 {
 695   wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg);
 696   FatalAppExit(0, (LPCTSTR)wxBuffer);
 697 }
 698
 699 // ----------------------------------------------------------------------------
 700 // functions to work with .INI files
 701 // ----------------------------------------------------------------------------
 702
 703 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 704 #if wxUSE_RESOURCES
 705 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 706 {
 707   if (file != wxT(""))
 708 // Don't know what the correct cast should be, but it doesn't
 709 // compile in BC++/16-bit without this cast.
 710 #if !defined(__WIN32__)
 711     return (WritePrivateProfileString((const char*) section, (const char*) entry, (const char*) value, (const char*) file) != 0);
 712 #else
 713     return (WritePrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)value, (LPCTSTR)WXSTRINGCAST file) != 0);
 714 #endif
 715   else
 716     return (WriteProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)WXSTRINGCAST value) != 0);
 717 }
 718
 719 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 720 {
 721     wxString buf;
 722     buf.Printf(wxT("%.4f"), value);
 723
 724     return wxWriteResource(section, entry, buf, file);
 725 }
 726
 727 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 728 {
 729     wxString buf;
 730     buf.Printf(wxT("%ld"), value);
 731
 732     return wxWriteResource(section, entry, buf, file);
 733 }
 734
 735 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
 736 {
 737     wxString buf;
 738     buf.Printf(wxT("%d"), value);
 739
 740     return wxWriteResource(section, entry, buf, file);
 741 }
 742
 743 bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file)
 744 {
 745     static const wxChar defunkt[] = wxT("$$default");
 746     if (file != wxT(""))
 747     {
 748         int n = GetPrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
 749                 (LPTSTR)wxBuffer, 1000, (LPCTSTR)WXSTRINGCAST file);
 750         if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
 751             return FALSE;
 752     }
 753     else
 754     {
 755         int n = GetProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
 756                 (LPTSTR)wxBuffer, 1000);
 757         if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
 758             return FALSE;
 759     }
 760     if (*value) delete[] (*value);
 761     *value = copystring(wxBuffer);
 762     return TRUE;
 763 }
 764
 765 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
 766 {
 767     wxChar *s = NULL;
 768     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
 769     if (succ)
 770     {
 771         *value = (float)wxStrtod(s, NULL);
 772         delete[] s;
 773         return TRUE;
 774     }
 775     else return FALSE;
 776 }
 777
 778 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
 779 {
 780     wxChar *s = NULL;
 781     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
 782     if (succ)
 783     {
 784         *value = wxStrtol(s, NULL, 10);
 785         delete[] s;
 786         return TRUE;
 787     }
 788     else return FALSE;
 789 }
 790
 791 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
 792 {
 793     wxChar *s = NULL;
 794     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
 795     if (succ)
 796     {
 797         *value = (int)wxStrtol(s, NULL, 10);
 798         delete[] s;
 799         return TRUE;
 800     }
 801     else return FALSE;
 802 }
 803 #endif // wxUSE_RESOURCES
 804
 805 // ---------------------------------------------------------------------------
 806 // helper functions for showing a "busy" cursor
 807 // ---------------------------------------------------------------------------
 808
 809 static HCURSOR gs_wxBusyCursor = 0;     // new, busy cursor
 810 static HCURSOR gs_wxBusyCursorOld = 0;  // old cursor
 811 static int gs_wxBusyCursorCount = 0;
 812
 813 extern HCURSOR wxGetCurrentBusyCursor()
 814 {
 815     return gs_wxBusyCursor;
 816 }
 817
 818 // Set the cursor to the busy cursor for all windows
 819 void wxBeginBusyCursor(wxCursor *cursor)
 820 {
 821     if ( gs_wxBusyCursorCount++ == 0 )
 822     {
 823         gs_wxBusyCursor = (HCURSOR)cursor->GetHCURSOR();
 824         gs_wxBusyCursorOld = ::SetCursor(gs_wxBusyCursor);
 825     }
 826     //else: nothing to do, already set
 827 }
 828
 829 // Restore cursor to normal
 830 void wxEndBusyCursor()
 831 {
 832     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 833                  wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 834
 835     if ( --gs_wxBusyCursorCount == 0 )
 836     {
 837         ::SetCursor(gs_wxBusyCursorOld);
 838
 839         gs_wxBusyCursorOld = 0;
 840     }
 841 }
 842
 843 // TRUE if we're between the above two calls
 844 bool wxIsBusy()
 845 {
 846   return (gs_wxBusyCursorCount > 0);
 847 }
 848
 849 // Check whether this window wants to process messages, e.g. Stop button
 850 // in long calculations.
 851 bool wxCheckForInterrupt(wxWindow *wnd)
 852 {
 853     wxCHECK( wnd, FALSE );
 854
 855     MSG msg;
 856     while ( ::PeekMessage(&msg, GetHwndOf(wnd), 0, 0, PM_REMOVE) )
 857     {
 858         ::TranslateMessage(&msg);
 859         ::DispatchMessage(&msg);
 860     }
 861
 862     return TRUE;
 863 }
 864
 865 #endif // wxUSE_GUI
 866
 867 // MSW only: get user-defined resource from the .res file.
 868 // Returns NULL or newly-allocated memory, so use delete[] to clean up.
 869
 870 wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType)
 871 {
 872     HRSRC hResource = ::FindResource(wxGetInstance(), resourceName, resourceType);
 873     if ( hResource == 0 )
 874         return NULL;
 875
 876     HGLOBAL hData = ::LoadResource(wxGetInstance(), hResource);
 877     if ( hData == 0 )
 878         return NULL;
 879
 880     wxChar *theText = (wxChar *)::LockResource(hData);
 881     if ( !theText )
 882         return NULL;
 883
 884     // Not all compilers put a zero at the end of the resource (e.g. BC++ doesn't).
 885     // so we need to find the length of the resource.
 886     int len = ::SizeofResource(wxGetInstance(), hResource);
 887     wxChar  *s = new wxChar[len+1];
 888     wxStrncpy(s,theText,len);
 889     s[len]=0;
 890
 891     // wxChar *s = copystring(theText);
 892
 893     // Obsolete in WIN32
 894 #ifndef __WIN32__
 895     UnlockResource(hData);
 896 #endif
 897
 898     // No need??
 899     //  GlobalFree(hData);
 900
 901     return s;
 902 }
 903
 904 // ----------------------------------------------------------------------------
 905 // get display info
 906 // ----------------------------------------------------------------------------
 907
 908 void wxGetMousePosition( int* x, int* y )
 909 {
 910     POINT pt;
 911     GetCursorPos( & pt );
 912     if ( x ) *x = pt.x;
 913     if ( y ) *y = pt.y;
 914 };
 915
 916 // Return TRUE if we have a colour display
 917 bool wxColourDisplay()
 918 {
 919     ScreenHDC dc;
 920     int noCols = GetDeviceCaps(dc, NUMCOLORS);
 921
 922     return (noCols == -1) || (noCols > 2);
 923 }
 924
 925 // Returns depth of screen
 926 int wxDisplayDepth()
 927 {
 928     ScreenHDC dc;
 929     return GetDeviceCaps(dc, PLANES) * GetDeviceCaps(dc, BITSPIXEL);
 930 }
 931
 932 // Get size of display
 933 void wxDisplaySize(int *width, int *height)
 934 {
 935     ScreenHDC dc;
 936
 937     if ( width ) *width = GetDeviceCaps(dc, HORZRES);
 938     if ( height ) *height = GetDeviceCaps(dc, VERTRES);
 939 }
 940
 941 // ---------------------------------------------------------------------------
 942 // window information functions
 943 // ---------------------------------------------------------------------------
 944
 945 wxString WXDLLEXPORT wxGetWindowText(WXHWND hWnd)
 946 {
 947     wxString str;
 948     int len = GetWindowTextLength((HWND)hWnd) + 1;
 949     GetWindowText((HWND)hWnd, str.GetWriteBuf(len), len);
 950     str.UngetWriteBuf();
 951
 952     return str;
 953 }
 954
 955 wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd)
 956 {
 957     wxString str;
 958
 959     int len = 256; // some starting value
 960
 961     for ( ;; )
 962     {
 963         // as we've #undefined GetClassName we must now manually choose the
 964         // right function to call
 965         int count =
 966
 967         #ifndef __WIN32__
 968             GetClassName
 969         #else // Win32
 970             #ifdef UNICODE
 971                 GetClassNameW
 972             #else // !Unicode
 973                 #ifdef __TWIN32__
 974                     GetClassName
 975                 #else // !Twin32
 976                     GetClassNameA
 977                 #endif // Twin32/!Twin32
 978             #endif // Unicode/ANSI
 979         #endif // Win16/32
 980                                     ((HWND)hWnd, str.GetWriteBuf(len), len);
 981
 982         str.UngetWriteBuf();
 983         if ( count == len )
 984         {
 985             // the class name might have been truncated, retry with larger
 986             // buffer
 987             len *= 2;
 988         }
 989         else
 990         {
 991             break;
 992         }
 993     }
 994
 995     return str;
 996 }
 997
 998 WXWORD WXDLLEXPORT wxGetWindowId(WXHWND hWnd)
 999 {
1000 #ifndef __WIN32__
1001     return GetWindowWord((HWND)hWnd, GWW_ID);
1002 #else // Win32
1003     return GetWindowLong((HWND)hWnd, GWL_ID);
1004 #endif // Win16/32
1005 }
1006
1007 #if 0
1008 //------------------------------------------------------------------------
1009 // wild character routines
1010 //------------------------------------------------------------------------
1011
1012 bool wxIsWild( const wxString& pattern )
1013 {
1014   wxString tmp = pattern;
1015   char *pat = WXSTRINGCAST(tmp);
1016     while (*pat) {
1017   switch (*pat++) {
1018   case '?': case '*': case '[': case '{':
1019       return TRUE;
1020   case '\\':
1021       if (!*pat++)
1022     return FALSE;
1023   }
1024     }
1025     return FALSE;
1026 };
1027
1028
1029 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1030 {
1031   wxString tmp1 = pat;
1032   char *pattern = WXSTRINGCAST(tmp1);
1033   wxString tmp2 = text;
1034   char *str = WXSTRINGCAST(tmp2);
1035     char c;
1036     char *cp;
1037     bool done = FALSE, ret_code, ok;
1038     // Below is for vi fans
1039     const char OB = '{', CB = '}';
1040
1041     // dot_special means '.' only matches '.'
1042     if (dot_special && *str == '.' && *pattern != *str)
1043   return FALSE;
1044
1045     while ((*pattern != '\0') && (!done)
1046     && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) {
1047   switch (*pattern) {
1048   case '\\':
1049       pattern++;
1050       if (*pattern != '\0')
1051     pattern++;
1052       break;
1053   case '*':
1054       pattern++;
1055       ret_code = FALSE;
1056       while ((*str!='\0')
1057       && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1058     /*loop*/;
1059       if (ret_code) {
1060     while (*str != '\0')
1061         str++;
1062     while (*pattern != '\0')
1063         pattern++;
1064       }
1065       break;
1066   case '[':
1067       pattern++;
1068     repeat:
1069       if ((*pattern == '\0') || (*pattern == ']')) {
1070     done = TRUE;
1071     break;
1072       }
1073       if (*pattern == '\\') {
1074     pattern++;
1075     if (*pattern == '\0') {
1076         done = TRUE;
1077         break;
1078     }
1079       }
1080       if (*(pattern + 1) == '-') {
1081     c = *pattern;
1082     pattern += 2;
1083     if (*pattern == ']') {
1084         done = TRUE;
1085         break;
1086     }
1087     if (*pattern == '\\') {
1088         pattern++;
1089         if (*pattern == '\0') {
1090       done = TRUE;
1091       break;
1092         }
1093     }
1094     if ((*str < c) || (*str > *pattern)) {
1095         pattern++;
1096         goto repeat;
1097     }
1098       } else if (*pattern != *str) {
1099     pattern++;
1100     goto repeat;
1101       }
1102       pattern++;
1103       while ((*pattern != ']') && (*pattern != '\0')) {
1104     if ((*pattern == '\\') && (*(pattern + 1) != '\0'))
1105         pattern++;
1106     pattern++;
1107       }
1108       if (*pattern != '\0') {
1109     pattern++, str++;
1110       }
1111       break;
1112   case '?':
1113       pattern++;
1114       str++;
1115       break;
1116   case OB:
1117       pattern++;
1118       while ((*pattern != CB) && (*pattern != '\0')) {
1119     cp = str;
1120     ok = TRUE;
1121     while (ok && (*cp != '\0') && (*pattern != '\0')
1122     &&  (*pattern != ',') && (*pattern != CB)) {
1123         if (*pattern == '\\')
1124       pattern++;
1125         ok = (*pattern++ == *cp++);
1126     }
1127     if (*pattern == '\0') {
1128         ok = FALSE;
1129         done = TRUE;
1130         break;
1131     } else if (ok) {
1132         str = cp;
1133         while ((*pattern != CB) && (*pattern != '\0')) {
1134       if (*++pattern == '\\') {
1135           if (*++pattern == CB)
1136         pattern++;
1137       }
1138         }
1139     } else {
1140         while (*pattern!=CB && *pattern!=',' && *pattern!='\0') {
1141       if (*++pattern == '\\') {
1142                             if (*++pattern == CB || *pattern == ',')
1143         pattern++;
1144       }
1145         }
1146     }
1147     if (*pattern != '\0')
1148         pattern++;
1149       }
1150       break;
1151   default:
1152       if (*str == *pattern) {
1153     str++, pattern++;
1154       } else {
1155     done = TRUE;
1156       }
1157   }
1158     }
1159     while (*pattern == '*')
1160   pattern++;
1161     return ((*str == '\0') && (*pattern == '\0'));
1162 };
1163
1164 #endif
1165
1166 #if 0
1167
1168 // maximum mumber of lines the output console should have
1169 static const WORD MAX_CONSOLE_LINES = 500;
1170
1171 BOOL WINAPI MyConsoleHandler( DWORD dwCtrlType ) {   //  control signal type
1172   FreeConsole();
1173   return TRUE;
1174 }
1175
1176 void wxRedirectIOToConsole()
1177 {
1178     int                        hConHandle;
1179     long                       lStdHandle;
1180     CONSOLE_SCREEN_BUFFER_INFO coninfo;
1181     FILE                       *fp;
1182
1183     // allocate a console for this app
1184     AllocConsole();
1185
1186     // set the screen buffer to be big enough to let us scroll text
1187     GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE),
1188                                &coninfo);
1189     coninfo.dwSize.Y = MAX_CONSOLE_LINES;
1190     SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),
1191                                coninfo.dwSize);
1192
1193     // redirect unbuffered STDOUT to the console
1194     lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
1195     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1196     if(hConHandle <= 0) return;
1197     fp = _fdopen( hConHandle, "w" );
1198     *stdout = *fp;
1199     setvbuf( stdout, NULL, _IONBF, 0 );
1200
1201     // redirect unbuffered STDIN to the console
1202     lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);
1203     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1204     if(hConHandle <= 0) return;
1205     fp = _fdopen( hConHandle, "r" );
1206     *stdin = *fp;
1207     setvbuf( stdin, NULL, _IONBF, 0 );
1208
1209     // redirect unbuffered STDERR to the console
1210     lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);
1211     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1212     if(hConHandle <= 0) return;
1213     fp = _fdopen( hConHandle, "w" );
1214     *stderr = *fp;
1215     setvbuf( stderr, NULL, _IONBF, 0 );
1216
1217     // make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog
1218     // point to console as well
1219     ios::sync_with_stdio();
1220
1221     SetConsoleCtrlHandler(MyConsoleHandler, TRUE);
1222 }
1223 #else
1224 // Not supported
1225 void wxRedirectIOToConsole()
1226 {
1227 }
1228 #endif
1229
1230