src/msw/utils.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        mse/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, FALSE) != 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 // Chris Breeze 27/5/98: revised WIN32 code to
 484 // detect WindowsNT correctly
 485 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 486 {
 487   if (majorVsn) *majorVsn = 0;
 488   if (minorVsn) *minorVsn = 0;
 489
 490 #if defined(__WIN32__) && !defined(__SC__)
 491   OSVERSIONINFO info;
 492   memset(&info, 0, sizeof(OSVERSIONINFO));
 493   info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 494   if (GetVersionEx(&info))
 495   {
 496     if (majorVsn) *majorVsn = info.dwMajorVersion;
 497     if (minorVsn) *minorVsn = info.dwMinorVersion;
 498     switch (info.dwPlatformId)
 499   {
 500   case VER_PLATFORM_WIN32s:
 501     return wxWIN32S;
 502     break;
 503   case VER_PLATFORM_WIN32_WINDOWS:
 504     return wxWIN95;
 505     break;
 506   case VER_PLATFORM_WIN32_NT:
 507     return wxWINDOWS_NT;
 508     break;
 509   }
 510   }
 511   return wxWINDOWS; // error if we get here, return generic value
 512 #else
 513   // Win16 code...
 514   int retValue = 0;
 515 #  ifdef __WINDOWS_386__
 516   retValue = wxWIN386;
 517 #  else
 518 #    if !defined(__WATCOMC__) && !defined(GNUWIN32) && wxUSE_PENWINDOWS
 519   extern HANDLE g_hPenWin;
 520   retValue = g_hPenWin ? wxPENWINDOWS : wxWINDOWS ;
 521 #    endif
 522 #  endif
 523   // @@@@ To be completed. I don't have the manual here...
 524   if (majorVsn) *majorVsn = 3 ;
 525   if (minorVsn) *minorVsn = 1 ;
 526   return retValue ;
 527 #endif
 528 }
 529
 530 // ----------------------------------------------------------------------------
 531 // sleep functions
 532 // ----------------------------------------------------------------------------
 533
 534 #if wxUSE_GUI
 535
 536 // Sleep for nSecs seconds. Attempt a Windows implementation using timers.
 537 static bool gs_inTimer = FALSE;
 538
 539 class wxSleepTimer: public wxTimer
 540 {
 541 public:
 542     virtual void Notify()
 543     {
 544         gs_inTimer = FALSE;
 545         Stop();
 546     }
 547 };
 548
 549 static wxTimer *wxTheSleepTimer = NULL;
 550
 551 void wxUsleep(unsigned long milliseconds)
 552 {
 553 #ifdef __WIN32__
 554     ::Sleep(milliseconds);
 555 #else
 556     if (gs_inTimer)
 557         return;
 558
 559     wxTheSleepTimer = new wxSleepTimer;
 560     gs_inTimer = TRUE;
 561     wxTheSleepTimer->Start(milliseconds);
 562     while (gs_inTimer)
 563     {
 564         if (wxTheApp->Pending())
 565             wxTheApp->Dispatch();
 566     }
 567     delete wxTheSleepTimer;
 568     wxTheSleepTimer = NULL;
 569 #endif
 570 }
 571
 572 void wxSleep(int nSecs)
 573 {
 574     if (gs_inTimer)
 575         return;
 576
 577     wxTheSleepTimer = new wxSleepTimer;
 578     gs_inTimer = TRUE;
 579     wxTheSleepTimer->Start(nSecs*1000);
 580     while (gs_inTimer)
 581     {
 582         if (wxTheApp->Pending())
 583             wxTheApp->Dispatch();
 584     }
 585     delete wxTheSleepTimer;
 586     wxTheSleepTimer = NULL;
 587 }
 588
 589 // Consume all events until no more left
 590 void wxFlushEvents()
 591 {
 592 //  wxYield();
 593 }
 594
 595 #elif defined(__WIN32__) // wxUSE_GUI
 596
 597 void wxUsleep(unsigned long milliseconds)
 598 {
 599     ::Sleep(milliseconds);
 600 }
 601
 602 void wxSleep(int nSecs)
 603 {
 604     wxUsleep(1000*nSecs);
 605 }
 606
 607 #endif // wxUSE_GUI/!wxUSE_GUI
 608
 609 // ----------------------------------------------------------------------------
 610 // deprecated (in favour of wxLog) log functions
 611 // ----------------------------------------------------------------------------
 612
 613 #if wxUSE_GUI
 614
 615 // Output a debug mess., in a system dependent fashion.
 616 void wxDebugMsg(const wxChar *fmt ...)
 617 {
 618   va_list ap;
 619   static wxChar buffer[512];
 620
 621   if (!wxTheApp->GetWantDebugOutput())
 622     return ;
 623
 624   va_start(ap, fmt);
 625
 626   wvsprintf(buffer,fmt,ap) ;
 627   OutputDebugString((LPCTSTR)buffer) ;
 628
 629   va_end(ap);
 630 }
 631
 632 // Non-fatal error: pop up message box and (possibly) continue
 633 void wxError(const wxString& msg, const wxString& title)
 634 {
 635   wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg);
 636   if (MessageBox(NULL, (LPCTSTR)wxBuffer, (LPCTSTR)WXSTRINGCAST title,
 637              MB_ICONSTOP | MB_YESNO) == IDNO)
 638     wxExit();
 639 }
 640
 641 // Fatal error: pop up message box and abort
 642 void wxFatalError(const wxString& msg, const wxString& title)
 643 {
 644   wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg);
 645   FatalAppExit(0, (LPCTSTR)wxBuffer);
 646 }
 647
 648 // ----------------------------------------------------------------------------
 649 // functions to work with .INI files
 650 // ----------------------------------------------------------------------------
 651
 652 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 653 #if wxUSE_RESOURCES
 654 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 655 {
 656   if (file != wxT(""))
 657 // Don't know what the correct cast should be, but it doesn't
 658 // compile in BC++/16-bit without this cast.
 659 #if !defined(__WIN32__)
 660     return (WritePrivateProfileString((const char*) section, (const char*) entry, (const char*) value, (const char*) file) != 0);
 661 #else
 662     return (WritePrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)value, (LPCTSTR)WXSTRINGCAST file) != 0);
 663 #endif
 664   else
 665     return (WriteProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)WXSTRINGCAST value) != 0);
 666 }
 667
 668 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 669 {
 670     wxString buf;
 671     buf.Printf(wxT("%.4f"), value);
 672
 673     return wxWriteResource(section, entry, buf, file);
 674 }
 675
 676 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 677 {
 678     wxString buf;
 679     buf.Printf(wxT("%ld"), value);
 680
 681     return wxWriteResource(section, entry, buf, file);
 682 }
 683
 684 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
 685 {
 686     wxString buf;
 687     buf.Printf(wxT("%d"), value);
 688
 689     return wxWriteResource(section, entry, buf, file);
 690 }
 691
 692 bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file)
 693 {
 694     static const wxChar defunkt[] = wxT("$$default");
 695     if (file != wxT(""))
 696     {
 697         int n = GetPrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
 698                 (LPTSTR)wxBuffer, 1000, (LPCTSTR)WXSTRINGCAST file);
 699         if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
 700             return FALSE;
 701     }
 702     else
 703     {
 704         int n = GetProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt,
 705                 (LPTSTR)wxBuffer, 1000);
 706         if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0)
 707             return FALSE;
 708     }
 709     if (*value) delete[] (*value);
 710     *value = copystring(wxBuffer);
 711     return TRUE;
 712 }
 713
 714 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
 715 {
 716     wxChar *s = NULL;
 717     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
 718     if (succ)
 719     {
 720         *value = (float)wxStrtod(s, NULL);
 721         delete[] s;
 722         return TRUE;
 723     }
 724     else return FALSE;
 725 }
 726
 727 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
 728 {
 729     wxChar *s = NULL;
 730     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
 731     if (succ)
 732     {
 733         *value = wxStrtol(s, NULL, 10);
 734         delete[] s;
 735         return TRUE;
 736     }
 737     else return FALSE;
 738 }
 739
 740 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
 741 {
 742     wxChar *s = NULL;
 743     bool succ = wxGetResource(section, entry, (wxChar **)&s, file);
 744     if (succ)
 745     {
 746         *value = (int)wxStrtol(s, NULL, 10);
 747         delete[] s;
 748         return TRUE;
 749     }
 750     else return FALSE;
 751 }
 752 #endif // wxUSE_RESOURCES
 753
 754 // ---------------------------------------------------------------------------
 755 // helper functions for showing a "busy" cursor
 756 // ---------------------------------------------------------------------------
 757
 758 HCURSOR gs_wxBusyCursor = 0;     // new, busy cursor
 759 HCURSOR gs_wxBusyCursorOld = 0;  // old cursor
 760 static int gs_wxBusyCursorCount = 0;
 761
 762 // Set the cursor to the busy cursor for all windows
 763 void wxBeginBusyCursor(wxCursor *cursor)
 764 {
 765     if ( gs_wxBusyCursorCount++ == 0 )
 766     {
 767         gs_wxBusyCursor = (HCURSOR)cursor->GetHCURSOR();
 768         gs_wxBusyCursorOld = ::SetCursor(gs_wxBusyCursor);
 769     }
 770     //else: nothing to do, already set
 771 }
 772
 773 // Restore cursor to normal
 774 void wxEndBusyCursor()
 775 {
 776     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 777                  wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 778
 779     if ( --gs_wxBusyCursorCount == 0 )
 780     {
 781         ::SetCursor(gs_wxBusyCursorOld);
 782
 783         gs_wxBusyCursorOld = 0;
 784     }
 785 }
 786
 787 // TRUE if we're between the above two calls
 788 bool wxIsBusy()
 789 {
 790   return (gs_wxBusyCursorCount > 0);
 791 }
 792
 793 // Check whether this window wants to process messages, e.g. Stop button
 794 // in long calculations.
 795 bool wxCheckForInterrupt(wxWindow *wnd)
 796 {
 797     wxCHECK( wnd, FALSE );
 798
 799     MSG msg;
 800     while ( ::PeekMessage(&msg, GetHwndOf(wnd), 0, 0, PM_REMOVE) )
 801     {
 802         ::TranslateMessage(&msg);
 803         ::DispatchMessage(&msg);
 804     }
 805
 806     return TRUE;
 807 }
 808
 809 #endif // wxUSE_GUI
 810
 811 // MSW only: get user-defined resource from the .res file.
 812 // Returns NULL or newly-allocated memory, so use delete[] to clean up.
 813
 814 wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType)
 815 {
 816     HRSRC hResource = ::FindResource(wxGetInstance(), resourceName, resourceType);
 817     if ( hResource == 0 )
 818         return NULL;
 819
 820     HGLOBAL hData = ::LoadResource(wxGetInstance(), hResource);
 821     if ( hData == 0 )
 822         return NULL;
 823
 824     wxChar *theText = (wxChar *)::LockResource(hData);
 825     if ( !theText )
 826         return NULL;
 827
 828     wxChar *s = copystring(theText);
 829
 830     // Obsolete in WIN32
 831 #ifndef __WIN32__
 832     UnlockResource(hData);
 833 #endif
 834
 835     // No need??
 836     //  GlobalFree(hData);
 837
 838     return s;
 839 }
 840
 841 // ----------------------------------------------------------------------------
 842 // get display info
 843 // ----------------------------------------------------------------------------
 844
 845 void wxGetMousePosition( int* x, int* y )
 846 {
 847     POINT pt;
 848     GetCursorPos( & pt );
 849     if ( x ) *x = pt.x;
 850     if ( y ) *y = pt.y;
 851 };
 852
 853 // Return TRUE if we have a colour display
 854 bool wxColourDisplay()
 855 {
 856     ScreenHDC dc;
 857     int noCols = GetDeviceCaps(dc, NUMCOLORS);
 858
 859     return (noCols == -1) || (noCols > 2);
 860 }
 861
 862 // Returns depth of screen
 863 int wxDisplayDepth()
 864 {
 865     ScreenHDC dc;
 866     return GetDeviceCaps(dc, PLANES) * GetDeviceCaps(dc, BITSPIXEL);
 867 }
 868
 869 // Get size of display
 870 void wxDisplaySize(int *width, int *height)
 871 {
 872     ScreenHDC dc;
 873
 874     if ( width ) *width = GetDeviceCaps(dc, HORZRES);
 875     if ( height ) *height = GetDeviceCaps(dc, VERTRES);
 876 }
 877
 878 // ---------------------------------------------------------------------------
 879 // window information functions
 880 // ---------------------------------------------------------------------------
 881
 882 wxString WXDLLEXPORT wxGetWindowText(WXHWND hWnd)
 883 {
 884     wxString str;
 885     int len = GetWindowTextLength((HWND)hWnd) + 1;
 886     GetWindowText((HWND)hWnd, str.GetWriteBuf(len), len);
 887     str.UngetWriteBuf();
 888
 889     return str;
 890 }
 891
 892 wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd)
 893 {
 894     wxString str;
 895
 896     int len = 256; // some starting value
 897
 898     for ( ;; )
 899     {
 900         // as we've #undefined GetClassName we must now manually choose the
 901         // right function to call
 902         int count =
 903
 904         #ifndef __WIN32__
 905             GetClassName
 906         #else // Win32
 907             #ifdef UNICODE
 908                 GetClassNameW
 909             #else // !Unicode
 910                 #ifdef __TWIN32__
 911                     GetClassName
 912                 #else // !Twin32
 913                     GetClassNameA
 914                 #endif // Twin32/!Twin32
 915             #endif // Unicode/ANSI
 916         #endif // Win16/32
 917                                     ((HWND)hWnd, str.GetWriteBuf(len), len);
 918
 919         str.UngetWriteBuf();
 920         if ( count == len )
 921         {
 922             // the class name might have been truncated, retry with larger
 923             // buffer
 924             len *= 2;
 925         }
 926         else
 927         {
 928             break;
 929         }
 930     }
 931
 932     return str;
 933 }
 934
 935 WXWORD WXDLLEXPORT wxGetWindowId(WXHWND hWnd)
 936 {
 937 #ifndef __WIN32__
 938     return GetWindowWord((HWND)hWnd, GWW_ID);
 939 #else // Win32
 940     return GetWindowLong((HWND)hWnd, GWL_ID);
 941 #endif // Win16/32
 942 }
 943
 944 #if 0
 945 //------------------------------------------------------------------------
 946 // wild character routines
 947 //------------------------------------------------------------------------
 948
 949 bool wxIsWild( const wxString& pattern )
 950 {
 951   wxString tmp = pattern;
 952   char *pat = WXSTRINGCAST(tmp);
 953     while (*pat) {
 954   switch (*pat++) {
 955   case '?': case '*': case '[': case '{':
 956       return TRUE;
 957   case '\\':
 958       if (!*pat++)
 959     return FALSE;
 960   }
 961     }
 962     return FALSE;
 963 };
 964
 965
 966 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
 967 {
 968   wxString tmp1 = pat;
 969   char *pattern = WXSTRINGCAST(tmp1);
 970   wxString tmp2 = text;
 971   char *str = WXSTRINGCAST(tmp2);
 972     char c;
 973     char *cp;
 974     bool done = FALSE, ret_code, ok;
 975     // Below is for vi fans
 976     const char OB = '{', CB = '}';
 977
 978     // dot_special means '.' only matches '.'
 979     if (dot_special && *str == '.' && *pattern != *str)
 980   return FALSE;
 981
 982     while ((*pattern != '\0') && (!done)
 983     && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) {
 984   switch (*pattern) {
 985   case '\\':
 986       pattern++;
 987       if (*pattern != '\0')
 988     pattern++;
 989       break;
 990   case '*':
 991       pattern++;
 992       ret_code = FALSE;
 993       while ((*str!='\0')
 994       && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
 995     /*loop*/;
 996       if (ret_code) {
 997     while (*str != '\0')
 998         str++;
 999     while (*pattern != '\0')
1000         pattern++;
1001       }
1002       break;
1003   case '[':
1004       pattern++;
1005     repeat:
1006       if ((*pattern == '\0') || (*pattern == ']')) {
1007     done = TRUE;
1008     break;
1009       }
1010       if (*pattern == '\\') {
1011     pattern++;
1012     if (*pattern == '\0') {
1013         done = TRUE;
1014         break;
1015     }
1016       }
1017       if (*(pattern + 1) == '-') {
1018     c = *pattern;
1019     pattern += 2;
1020     if (*pattern == ']') {
1021         done = TRUE;
1022         break;
1023     }
1024     if (*pattern == '\\') {
1025         pattern++;
1026         if (*pattern == '\0') {
1027       done = TRUE;
1028       break;
1029         }
1030     }
1031     if ((*str < c) || (*str > *pattern)) {
1032         pattern++;
1033         goto repeat;
1034     }
1035       } else if (*pattern != *str) {
1036     pattern++;
1037     goto repeat;
1038       }
1039       pattern++;
1040       while ((*pattern != ']') && (*pattern != '\0')) {
1041     if ((*pattern == '\\') && (*(pattern + 1) != '\0'))
1042         pattern++;
1043     pattern++;
1044       }
1045       if (*pattern != '\0') {
1046     pattern++, str++;
1047       }
1048       break;
1049   case '?':
1050       pattern++;
1051       str++;
1052       break;
1053   case OB:
1054       pattern++;
1055       while ((*pattern != CB) && (*pattern != '\0')) {
1056     cp = str;
1057     ok = TRUE;
1058     while (ok && (*cp != '\0') && (*pattern != '\0')
1059     &&  (*pattern != ',') && (*pattern != CB)) {
1060         if (*pattern == '\\')
1061       pattern++;
1062         ok = (*pattern++ == *cp++);
1063     }
1064     if (*pattern == '\0') {
1065         ok = FALSE;
1066         done = TRUE;
1067         break;
1068     } else if (ok) {
1069         str = cp;
1070         while ((*pattern != CB) && (*pattern != '\0')) {
1071       if (*++pattern == '\\') {
1072           if (*++pattern == CB)
1073         pattern++;
1074       }
1075         }
1076     } else {
1077         while (*pattern!=CB && *pattern!=',' && *pattern!='\0') {
1078       if (*++pattern == '\\') {
1079                             if (*++pattern == CB || *pattern == ',')
1080         pattern++;
1081       }
1082         }
1083     }
1084     if (*pattern != '\0')
1085         pattern++;
1086       }
1087       break;
1088   default:
1089       if (*str == *pattern) {
1090     str++, pattern++;
1091       } else {
1092     done = TRUE;
1093       }
1094   }
1095     }
1096     while (*pattern == '*')
1097   pattern++;
1098     return ((*str == '\0') && (*pattern == '\0'));
1099 };
1100
1101 #endif
1102
1103 #if 0
1104
1105 // maximum mumber of lines the output console should have
1106 static const WORD MAX_CONSOLE_LINES = 500;
1107
1108 BOOL WINAPI MyConsoleHandler( DWORD dwCtrlType ) {   //  control signal type
1109   FreeConsole();
1110   return TRUE;
1111 }
1112
1113 void wxRedirectIOToConsole()
1114 {
1115     int                        hConHandle;
1116     long                       lStdHandle;
1117     CONSOLE_SCREEN_BUFFER_INFO coninfo;
1118     FILE                       *fp;
1119
1120     // allocate a console for this app
1121     AllocConsole();
1122
1123     // set the screen buffer to be big enough to let us scroll text
1124     GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE),
1125                                &coninfo);
1126     coninfo.dwSize.Y = MAX_CONSOLE_LINES;
1127     SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),
1128                                coninfo.dwSize);
1129
1130     // redirect unbuffered STDOUT to the console
1131     lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
1132     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1133     if(hConHandle <= 0) return;
1134     fp = _fdopen( hConHandle, "w" );
1135     *stdout = *fp;
1136     setvbuf( stdout, NULL, _IONBF, 0 );
1137
1138     // redirect unbuffered STDIN to the console
1139     lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);
1140     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1141     if(hConHandle <= 0) return;
1142     fp = _fdopen( hConHandle, "r" );
1143     *stdin = *fp;
1144     setvbuf( stdin, NULL, _IONBF, 0 );
1145
1146     // redirect unbuffered STDERR to the console
1147     lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);
1148     hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
1149     if(hConHandle <= 0) return;
1150     fp = _fdopen( hConHandle, "w" );
1151     *stderr = *fp;
1152     setvbuf( stderr, NULL, _IONBF, 0 );
1153
1154     // make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog
1155     // point to console as well
1156     ios::sync_with_stdio();
1157
1158     SetConsoleCtrlHandler(MyConsoleHandler, TRUE);
1159 }
1160 #else
1161 // Not supported
1162 void wxRedirectIOToConsole()
1163 {
1164 }
1165 #endif
1166
1167