src/os2/utils.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        utils.cpp
   3 // Purpose:     Various utilities
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     09/17/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/setup.h"
  17     #include "wx/utils.h"
  18     #include "wx/app.h"
  19 #endif  //WX_PRECOMP
  20
  21 #include "wx/os2/private.h"
  22 #include "wx/intl.h"
  23 #include "wx/apptrait.h"
  24
  25 #include <ctype.h>
  26 #ifdef __EMX__
  27 #include <dirent.h>
  28 #endif
  29
  30 #include "wx/log.h"
  31
  32 #include <io.h>
  33
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37 #include <errno.h>
  38 #include <stdarg.h>
  39
  40 #define PURE_32
  41
  42 #ifndef __EMX__
  43 #include <upm.h>
  44 #include <netcons.h>
  45 #include <netbios.h>
  46 #endif
  47
  48 static const wxChar WX_SECTION[] = _T("wxWidgets");
  49 static const wxChar eHOSTNAME[]  = _T("HostName");
  50 static const wxChar eUSERID[]    = _T("UserId");
  51 static const wxChar eUSERNAME[]  = _T("UserName");
  52
  53 // For the following functions we SHOULD fill in support
  54 // for Windows-NT (which I don't know) as I assume it begin
  55 // a POSIX Unix (so claims MS) that it has some special
  56 // functions beyond those provided by WinSock
  57
  58 // Get full hostname (eg. DoDo.BSn-Germany.crg.de)
  59 bool wxGetHostName(
  60   wxChar*                           zBuf
  61 , int                               nMaxSize
  62 )
  63 {
  64 #if wxUSE_NET_API
  65     char                            zServer[256];
  66     char                            zComputer[256];
  67     unsigned long                   ulLevel = 0;
  68     unsigned char*                  zBuffer = NULL;
  69     unsigned long                   ulBuffer = 256;
  70     unsigned long*                  pulTotalAvail = NULL;
  71
  72     NetBios32GetInfo( (const unsigned char*)zServer
  73                      ,(const unsigned char*)zComputer
  74                      ,ulLevel
  75                      ,zBuffer
  76                      ,ulBuffer
  77                      ,pulTotalAvail
  78                     );
  79     strcpy(zBuf, zServer);
  80 #else
  81     wxChar*                         zSysname;
  82     const wxChar*                   zDefaultHost = _T("noname");
  83
  84     if ((zSysname = wxGetenv(_T("SYSTEM_NAME"))) == NULL)
  85     {
  86         ::PrfQueryProfileString( HINI_PROFILE
  87                                 ,(PSZ)WX_SECTION
  88                                 ,(PSZ)eHOSTNAME
  89                                 ,(PSZ)zDefaultHost
  90                                 ,(void*)zBuf
  91                                 ,(ULONG)nMaxSize - 1
  92                                );
  93     }
  94     else
  95         wxStrncpy(zBuf, zSysname, nMaxSize - 1);
  96     zBuf[nMaxSize] = _T('\0');
  97 #endif
  98     return *zBuf ? TRUE : FALSE;
  99 }
 100
 101 // Get user ID e.g. jacs
 102 bool wxGetUserId(
 103   wxChar*                           zBuf
 104 , int                               nType
 105 )
 106 {
 107 #if defined(__VISAGECPP__)
 108     long                            lrc;
 109     // UPM procs return 0 on success
 110     lrc = U32ELOCU((unsigned char*)zBuf, (unsigned long *)&nType);
 111     if (lrc == 0) return TRUE;
 112 #endif
 113     return FALSE;
 114 }
 115
 116 bool wxGetUserName(
 117   wxChar*                           zBuf
 118 , int                               nMaxSize
 119 )
 120 {
 121 #ifdef USE_NET_API
 122     wxGetUserId( zBuf
 123                 ,nMaxSize
 124                );
 125 #else
 126     wxStrncpy(zBuf, _T("Unknown User"), nMaxSize);
 127 #endif
 128     return TRUE;
 129 }
 130
 131 int wxKill(
 132   long                              lPid
 133 , wxSignal                          eSig
 134 , wxKillError*                      peError
 135 , int                               flags
 136 )
 137 {
 138     return((int)::DosKillProcess(0, (PID)lPid));
 139 }
 140
 141 //
 142 // Execute a program in an Interactive Shell
 143 //
 144 bool wxShell(
 145   const wxString&                   rCommand
 146 )
 147 {
 148     wxChar*                         zShell = _T("CMD.EXE");
 149     wxString                        sInputs;
 150     STARTDATA                       SData = {0};
 151     PSZ                             PgmTitle = "Command Shell";
 152     APIRET                          rc;
 153     PID                             vPid = 0;
 154     ULONG                           ulSessID = 0;
 155     UCHAR                           achObjBuf[256] = {0}; //error data if DosStart fails
 156     RESULTCODES                     vResult;
 157
 158     SData.Length   = sizeof(STARTDATA);
 159     SData.Related  = SSF_RELATED_INDEPENDENT;
 160     SData.FgBg     = SSF_FGBG_FORE;
 161     SData.TraceOpt = SSF_TRACEOPT_NONE;
 162     SData.PgmTitle = PgmTitle;
 163     SData.PgmName  = zShell;
 164
 165     sInputs = "/C " + rCommand;
 166     SData.PgmInputs     = (BYTE*)sInputs.c_str();
 167     SData.TermQ         = 0;
 168     SData.Environment   = 0;
 169     SData.InheritOpt    = SSF_INHERTOPT_SHELL;
 170     SData.SessionType   = SSF_TYPE_WINDOWABLEVIO;
 171     SData.IconFile      = 0;
 172     SData.PgmHandle     = 0;
 173     SData.PgmControl    = SSF_CONTROL_VISIBLE | SSF_CONTROL_MAXIMIZE;
 174     SData.InitXPos      = 30;
 175     SData.InitYPos      = 40;
 176     SData.InitXSize     = 200;
 177     SData.InitYSize     = 140;
 178     SData.Reserved      = 0;
 179     SData.ObjectBuffer  = (char*)achObjBuf;
 180     SData.ObjectBuffLen = (ULONG)sizeof(achObjBuf);
 181
 182     rc = ::DosStartSession(&SData, &ulSessID, &vPid);
 183     if (rc == 0 || rc == 457) // NO_ERROR or SMG_START_IN_BACKGROUND
 184     {
 185         PTIB                            ptib;
 186         PPIB                            ppib;
 187
 188         ::DosGetInfoBlocks(&ptib, &ppib);
 189
 190         ::DosWaitChild( DCWA_PROCESS
 191                        ,DCWW_WAIT
 192                        ,&vResult
 193                        ,&ppib->pib_ulpid
 194                        ,vPid
 195                       );
 196     }
 197     return (rc != 0);
 198 }
 199
 200 // Shutdown or reboot the PC
 201 bool wxShutdown(wxShutdownFlags wFlags)
 202 {
 203     // TODO
 204     return FALSE;
 205 }
 206
 207 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 208 long wxGetFreeMemory()
 209 {
 210     void*                           pMemptr = NULL;
 211     ULONG                           lSize;
 212     ULONG                           lMemFlags;
 213     APIRET                          rc;
 214
 215     lMemFlags = PAG_FREE;
 216     rc = ::DosQueryMem(pMemptr, &lSize, &lMemFlags);
 217     if (rc != 0)
 218         return -1L;
 219     return (long)lSize;
 220 }
 221
 222 // ----------------------------------------------------------------------------
 223 // env vars
 224 // ----------------------------------------------------------------------------
 225
 226 bool wxGetEnv(const wxString& var, wxString *value)
 227 {
 228     // wxGetenv is defined as getenv()
 229     wxChar *p = wxGetenv(var);
 230     if ( !p )
 231         return FALSE;
 232
 233     if ( value )
 234     {
 235         *value = p;
 236     }
 237
 238     return TRUE;
 239 }
 240
 241 bool wxSetEnv(const wxString& variable, const wxChar *value)
 242 {
 243 #if defined(HAVE_SETENV)
 244     return setenv(variable.mb_str(), value ? wxString(value).mb_str().data()
 245                                            : NULL, 1 /* overwrite */) == 0;
 246 #elif defined(HAVE_PUTENV)
 247     wxString s = variable;
 248     if ( value )
 249         s << _T('=') << value;
 250
 251     // transform to ANSI
 252     const char *p = s.mb_str();
 253
 254     // the string will be free()d by libc
 255     char *buf = (char *)malloc(strlen(p) + 1);
 256     strcpy(buf, p);
 257
 258     return putenv(buf) == 0;
 259 #else // no way to set an env var
 260     return FALSE;
 261 #endif
 262 }
 263
 264 void wxMilliSleep(
 265   unsigned long                     ulMilliseconds
 266 )
 267 {
 268     ::DosSleep(ulMilliseconds);
 269 }
 270
 271 void wxMicroSleep(
 272   unsigned long                     ulMicroseconds
 273 )
 274 {
 275     ::DosSleep(ulMicroseconds/1000);
 276 }
 277
 278 void wxSleep(
 279   int                               nSecs
 280 )
 281 {
 282     ::DosSleep(1000 * nSecs);
 283 }
 284
 285 // Consume all events until no more left
 286 void wxFlushEvents()
 287 {
 288 //  wxYield();
 289 }
 290
 291 #if WXWIN_COMPATIBILITY_2_2
 292
 293 // Output a debug mess., in a system dependent fashion.
 294 void wxDebugMsg(
 295   const wxChar*                     zFmt ...
 296 )
 297 {
 298     va_list                         vAp;
 299     static wxChar                   zBuffer[512];
 300
 301     if (!wxTheApp->GetWantDebugOutput())
 302         return ;
 303     va_start(vAp, zFmt);
 304     sprintf(zBuffer, zFmt, vAp) ;
 305     va_end(vAp);
 306 }
 307
 308 // Non-fatal error: pop up message box and (possibly) continue
 309 void wxError(
 310   const wxString&                   rMsg
 311 , const wxString&                   rTitle
 312 )
 313 {
 314     wxChar *wxBuffer = new wxChar[256];
 315     wxSprintf(wxBuffer, "%s\nContinue?", WXSTRINGCAST rMsg);
 316     if (::WinMessageBox( HWND_DESKTOP
 317                         ,NULL
 318                         ,(PSZ)wxBuffer
 319                         ,(PSZ)WXSTRINGCAST rTitle
 320                         ,0
 321                         ,MB_ICONEXCLAMATION | MB_YESNO
 322                        ) == MBID_YES)
 323     delete[] wxBuffer;
 324     wxExit();
 325 }
 326
 327 // Fatal error: pop up message box and abort
 328 void wxFatalError(
 329   const wxString&                   rMsg
 330 , const wxString&                   rTitle
 331 )
 332 {
 333     unsigned long                   ulRc;
 334
 335     ulRc = ::WinMessageBox( HWND_DESKTOP
 336                            ,NULL
 337                            ,WXSTRINGCAST rMsg
 338                            ,WXSTRINGCAST rTitle
 339                            ,0
 340                            ,MB_NOICON | MB_OK
 341                           );
 342     DosExit(EXIT_PROCESS, ulRc);
 343 }
 344
 345 #endif // WXWIN_COMPATIBILITY_2_2
 346
 347 // Emit a beeeeeep
 348 void wxBell()
 349 {
 350     DosBeep(1000,1000); // 1kHz during 1 sec.
 351 }
 352
 353
 354 void wxAppTraits::InitializeGui(unsigned long &ulHab)
 355 {
 356 }
 357
 358 void wxAppTraits::TerminateGui(unsigned long ulHab)
 359 {
 360 }
 361
 362 wxToolkitInfo & wxConsoleAppTraits::GetToolkitInfo()
 363 {
 364     static wxToolkitInfo            vInfo;
 365     ULONG                           ulSysInfo[QSV_MAX] = {0};
 366     APIRET                          ulrc;
 367
 368     vInfo.name = _T("wxBase");
 369     ulrc = ::DosQuerySysInfo( 1L
 370                              ,QSV_MAX
 371                              ,(PVOID)ulSysInfo
 372                              ,sizeof(ULONG) * QSV_MAX
 373                             );
 374     if (ulrc == 0L)
 375     {
 376         vInfo.versionMajor = ulSysInfo[QSV_VERSION_MAJOR] / 10;
 377         vInfo.versionMinor = ulSysInfo[QSV_VERSION_MINOR];
 378     }
 379     vInfo.os = wxOS2_PM;
 380     return vInfo;
 381 }
 382
 383 // ---------------------------------------------------------------------------
 384 const wxChar* wxGetHomeDir(
 385   wxString*                         pStr
 386 )
 387 {
 388     wxString&                       rStrDir = *pStr;
 389
 390     // OS/2 has no idea about home,
 391     // so use the working directory instead.
 392     // However, we might have a valid HOME directory,
 393     // as is used on many machines that have unix utilities
 394     // on them, so we should use that, if available.
 395
 396     // 256 was taken from os2def.h
 397 #ifndef MAX_PATH
 398 #  define MAX_PATH  256
 399 #endif
 400
 401     const wxChar *szHome = wxGetenv("HOME");
 402     if ( szHome == NULL ) {
 403       // we're homeless, use current directory.
 404       rStrDir = wxT(".");
 405     }
 406     else
 407        rStrDir = szHome;
 408
 409     return rStrDir.c_str();
 410 }
 411
 412 // Hack for OS/2
 413 wxChar* wxGetUserHome (
 414   const wxString&                   rUser
 415 )
 416 {
 417     wxChar*                         zHome;
 418     wxString                        sUser1(rUser);
 419
 420     char *wxBuffer = new wxChar[256];
 421 #ifndef __EMX__
 422     if (sUser1 != _T(""))
 423     {
 424         wxChar                      zTmp[64];
 425
 426         if (wxGetUserId( zTmp
 427                         ,sizeof(zTmp)/sizeof(char)
 428                        ))
 429         {
 430             // Guests belong in the temp dir
 431             if (wxStricmp(zTmp, _T("annonymous")) == 0)
 432             {
 433                 if ((zHome = wxGetenv(_T("TMP"))) != NULL    ||
 434                     (zHome = wxGetenv(_T("TMPDIR"))) != NULL ||
 435                     (zHome = wxGetenv(_T("TEMP"))) != NULL)
 436                     delete[] wxBuffer;
 437                     return *zHome ? zHome : (wxChar*)_T("\\");
 438             }
 439             if (wxStricmp(zTmp, WXSTRINGCAST sUser1) == 0)
 440                 sUser1 = _T("");
 441         }
 442     }
 443 #endif
 444     if (sUser1 == _T(""))
 445     {
 446         if ((zHome = wxGetenv(_T("HOME"))) != NULL)
 447         {
 448             wxStrcpy(wxBuffer, zHome);
 449             wxUnix2DosFilename(wxBuffer);
 450             wxStrcpy(zHome, wxBuffer);
 451             delete[] wxBuffer;
 452             return zHome;
 453         }
 454     }
 455     delete[] wxBuffer;
 456     return NULL; // No home known!
 457 }
 458
 459 bool wxDirExists(
 460   const wxString&                   rDir
 461 )
 462 {
 463     return (::DosSetCurrentDir(WXSTRINGCAST rDir));
 464 }
 465
 466 wxString WXDLLEXPORT wxPMErrorToStr(
 467   ERRORID                           vError
 468 )
 469 {
 470     wxString                        sError;
 471
 472     //
 473     // Remove the high order byte -- it is useless
 474     //
 475     vError &= 0x0000ffff;
 476     switch(vError)
 477     {
 478         case PMERR_INVALID_HWND:
 479             sError = wxT("Invalid window handle specified");
 480             break;
 481
 482         case PMERR_INVALID_FLAG:
 483             sError = wxT("Invalid flag bit set");
 484             break;
 485
 486         case PMERR_NO_MSG_QUEUE:
 487             sError = wxT("No message queue available");
 488             break;
 489
 490         case PMERR_INVALID_PARM:
 491             sError = wxT("Parameter contained invalid data");
 492             break;
 493
 494         case PMERR_INVALID_PARAMETERS:
 495             sError = wxT("Parameter value is out of range");
 496             break;
 497
 498         case PMERR_PARAMETER_OUT_OF_RANGE:
 499             sError = wxT("Parameter value is out of range");
 500             break;
 501
 502         case PMERR_INVALID_INTEGER_ATOM:
 503             sError = wxT("Not a valid atom");
 504             break;
 505
 506         case PMERR_INVALID_HATOMTBL:
 507             sError = wxT("Atom table handle is invalid");
 508             break;
 509
 510         case PMERR_INVALID_ATOM_NAME:
 511             sError = wxT("Not a valid atom name");
 512             break;
 513
 514         case PMERR_ATOM_NAME_NOT_FOUND:
 515             sError = wxT("Valid name format, but cannot find name in atom table");
 516             break;
 517
 518         default:
 519             sError = wxT("Unknown error");
 520     }
 521     return(sError);
 522 } // end of wxPMErrorToStr
 523
 524 // replacement for implementation in unix/utilsunx.cpp,
 525 // to be used by all X11 based ports.
 526 struct wxEndProcessData;
 527
 528 void wxHandleProcessTermination(wxEndProcessData *proc_data)
 529 {
 530     // For now, just do nothing. To be filled in as needed.
 531 }