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/timer.h"
  23 #include "wx/intl.h"
  24 #include "wx/apptrait.h"
  25
  26 #include <ctype.h>
  27 #ifdef __EMX__
  28 #include <dirent.h>
  29 #endif
  30
  31 #include "wx/log.h"
  32
  33 #include <io.h>
  34
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <errno.h>
  39 #include <stdarg.h>
  40
  41 #define PURE_32
  42
  43 #ifndef __EMX__
  44 #include <upm.h>
  45 #include <netcons.h>
  46 #include <netbios.h>
  47 #endif
  48
  49 static const wxChar WX_SECTION[] = _T("wxWindows");
  50 static const wxChar eHOSTNAME[]  = _T("HostName");
  51 static const wxChar eUSERID[]    = _T("UserId");
  52 static const wxChar eUSERNAME[]  = _T("UserName");
  53
  54 // For the following functions we SHOULD fill in support
  55 // for Windows-NT (which I don't know) as I assume it begin
  56 // a POSIX Unix (so claims MS) that it has some special
  57 // functions beyond those provided by WinSock
  58
  59 // Get full hostname (eg. DoDo.BSn-Germany.crg.de)
  60 bool wxGetHostName(
  61   wxChar*                           zBuf
  62 , int                               nMaxSize
  63 )
  64 {
  65 #if wxUSE_NET_API
  66     char                            zServer[256];
  67     char                            zComputer[256];
  68     unsigned long                   ulLevel = 0;
  69     unsigned char*                  zBuffer = NULL;
  70     unsigned long                   ulBuffer = 256;
  71     unsigned long*                  pulTotalAvail = NULL;
  72
  73     NetBios32GetInfo( (const unsigned char*)zServer
  74                      ,(const unsigned char*)zComputer
  75                      ,ulLevel
  76                      ,zBuffer
  77                      ,ulBuffer
  78                      ,pulTotalAvail
  79                     );
  80     strcpy(zBuf, zServer);
  81 #else
  82     wxChar*                         zSysname;
  83     const wxChar*                   zDefaultHost = _T("noname");
  84
  85     if ((zSysname = wxGetenv(_T("SYSTEM_NAME"))) == NULL)
  86     {
  87         ULONG n = ::PrfQueryProfileString( HINI_PROFILE
  88                                           ,(PSZ)WX_SECTION
  89                                           ,(PSZ)eHOSTNAME
  90                                           ,(PSZ)zDefaultHost
  91                                           ,(void*)zBuf
  92                                           ,(ULONG)nMaxSize - 1
  93                                          );
  94     }
  95     else
  96         wxStrncpy(zBuf, zSysname, nMaxSize - 1);
  97     zBuf[nMaxSize] = _T('\0');
  98 #endif
  99     return *zBuf ? TRUE : FALSE;
 100 }
 101
 102 // Get user ID e.g. jacs
 103 bool wxGetUserId(
 104   wxChar*                           zBuf
 105 , int                               nType
 106 )
 107 {
 108 #if defined(__VISAGECPP__)
 109     long                            lrc;
 110     // UPM procs return 0 on success
 111     lrc = U32ELOCU((unsigned char*)zBuf, (unsigned long *)&nType);
 112     if (lrc == 0) return TRUE;
 113 #endif
 114     return FALSE;
 115 }
 116
 117 bool wxGetUserName(
 118   wxChar*                           zBuf
 119 , int                               nMaxSize
 120 )
 121 {
 122 #ifdef USE_NET_API
 123     wxGetUserId( zBuf
 124                 ,nMaxSize
 125                );
 126 #else
 127     wxStrncpy(zBuf, _T("Unknown User"), nMaxSize);
 128 #endif
 129     return TRUE;
 130 }
 131
 132 int wxKill(
 133   long                              lPid
 134 , wxSignal                          eSig
 135 , wxKillError*                      peError
 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     wxChar                          zTmp[255];
 151     STARTDATA                       SData = {0};
 152     PSZ                             PgmTitle = "Command Shell";
 153     APIRET                          rc;
 154     PID                             vPid = 0;
 155     ULONG                           ulSessID = 0;
 156     UCHAR                           achObjBuf[256] = {0}; //error data if DosStart fails
 157     RESULTCODES                     vResult;
 158
 159     SData.Length   = sizeof(STARTDATA);
 160     SData.Related  = SSF_RELATED_INDEPENDENT;
 161     SData.FgBg     = SSF_FGBG_FORE;
 162     SData.TraceOpt = SSF_TRACEOPT_NONE;
 163     SData.PgmTitle = PgmTitle;
 164     SData.PgmName  = zShell;
 165
 166     sInputs = "/C " + rCommand;
 167     SData.PgmInputs     = (BYTE*)sInputs.c_str();
 168     SData.TermQ         = 0;
 169     SData.Environment   = 0;
 170     SData.InheritOpt    = SSF_INHERTOPT_SHELL;
 171     SData.SessionType   = SSF_TYPE_WINDOWABLEVIO;
 172     SData.IconFile      = 0;
 173     SData.PgmHandle     = 0;
 174     SData.PgmControl    = SSF_CONTROL_VISIBLE | SSF_CONTROL_MAXIMIZE;
 175     SData.InitXPos      = 30;
 176     SData.InitYPos      = 40;
 177     SData.InitXSize     = 200;
 178     SData.InitYSize     = 140;
 179     SData.Reserved      = 0;
 180     SData.ObjectBuffer  = (char*)achObjBuf;
 181     SData.ObjectBuffLen = (ULONG)sizeof(achObjBuf);
 182
 183     rc = ::DosStartSession(&SData, &ulSessID, &vPid);
 184     if (rc == 0 || rc == 457) // NO_ERROR or SMG_START_IN_BACKGROUND
 185     {
 186         PTIB                            ptib;
 187         PPIB                            ppib;
 188
 189         ::DosGetInfoBlocks(&ptib, &ppib);
 190
 191         ::DosWaitChild( DCWA_PROCESS
 192                        ,DCWW_WAIT
 193                        ,&vResult
 194                        ,&ppib->pib_ulpid
 195                        ,vPid
 196                       );
 197     }
 198     return (rc != 0);
 199 }
 200
 201 // Shutdown or reboot the PC
 202 bool wxShutdown(wxShutdownFlags wFlags)
 203 {
 204     // TODO
 205     return FALSE;
 206 }
 207
 208 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 209 long wxGetFreeMemory()
 210 {
 211     void*                           pMemptr = NULL;
 212     ULONG                           lSize;
 213     ULONG                           lMemFlags;
 214     APIRET                          rc;
 215
 216     lMemFlags = PAG_FREE;
 217     rc = ::DosQueryMem(pMemptr, &lSize, &lMemFlags);
 218     if (rc != 0)
 219         return -1L;
 220     return (long)lSize;
 221 }
 222
 223 // ----------------------------------------------------------------------------
 224 // env vars
 225 // ----------------------------------------------------------------------------
 226
 227 bool wxGetEnv(const wxString& var, wxString *value)
 228 {
 229     // wxGetenv is defined as getenv()
 230     wxChar *p = wxGetenv(var);
 231     if ( !p )
 232         return FALSE;
 233
 234     if ( value )
 235     {
 236         *value = p;
 237     }
 238
 239     return TRUE;
 240 }
 241
 242 bool wxSetEnv(const wxString& variable, const wxChar *value)
 243 {
 244 #if defined(HAVE_SETENV)
 245     return setenv(variable.mb_str(), value ? wxString(value).mb_str().data()
 246                                            : NULL, 1 /* overwrite */) == 0;
 247 #elif defined(HAVE_PUTENV)
 248     wxString s = variable;
 249     if ( value )
 250         s << _T('=') << value;
 251
 252     // transform to ANSI
 253     const char *p = s.mb_str();
 254
 255     // the string will be free()d by libc
 256     char *buf = (char *)malloc(strlen(p) + 1);
 257     strcpy(buf, p);
 258
 259     return putenv(buf) == 0;
 260 #else // no way to set an env var
 261     return FALSE;
 262 #endif
 263 }
 264
 265 void wxUsleep(
 266   unsigned long                     ulMilliseconds
 267 )
 268 {
 269     ::DosSleep(ulMilliseconds);
 270 }
 271
 272 void wxSleep(
 273   int                               nSecs
 274 )
 275 {
 276     ::DosSleep(1000 * nSecs);
 277 }
 278
 279 // Consume all events until no more left
 280 void wxFlushEvents()
 281 {
 282 //  wxYield();
 283 }
 284
 285 #if WXWIN_COMPATIBILITY_2_2
 286
 287 // Output a debug mess., in a system dependent fashion.
 288 void wxDebugMsg(
 289   const wxChar*                     zFmt ...
 290 )
 291 {
 292     va_list                         vAp;
 293     static wxChar                   zBuffer[512];
 294
 295     if (!wxTheApp->GetWantDebugOutput())
 296         return ;
 297     va_start(vAp, zFmt);
 298     sprintf(zBuffer, zFmt, vAp) ;
 299     va_end(vAp);
 300 }
 301
 302 // Non-fatal error: pop up message box and (possibly) continue
 303 void wxError(
 304   const wxString&                   rMsg
 305 , const wxString&                   rTitle
 306 )
 307 {
 308     wxBuffer = new wxChar[256];
 309     wxSprintf(wxBuffer, "%s\nContinue?", WXSTRINGCAST rMsg);
 310     if (::WinMessageBox( HWND_DESKTOP
 311                         ,NULL
 312                         ,(PSZ)wxBuffer
 313                         ,(PSZ)WXSTRINGCAST rTitle
 314                         ,0
 315                         ,MB_ICONEXCLAMATION | MB_YESNO
 316                        ) == MBID_YES)
 317     delete[] wxBuffer;
 318     wxExit();
 319 }
 320
 321 // Fatal error: pop up message box and abort
 322 void wxFatalError(
 323   const wxString&                   rMsg
 324 , const wxString&                   rTitle
 325 )
 326 {
 327     unsigned long                   ulRc;
 328
 329     ulRc = ::WinMessageBox( HWND_DESKTOP
 330                            ,NULL
 331                            ,WXSTRINGCAST rMsg
 332                            ,WXSTRINGCAST rTitle
 333                            ,0
 334                            ,MB_NOICON | MB_OK
 335                           );
 336     DosExit(EXIT_PROCESS, ulRc);
 337 }
 338
 339 #endif // WXWIN_COMPATIBILITY_2_2
 340
 341 // Emit a beeeeeep
 342 void wxBell()
 343 {
 344     DosBeep(1000,1000); // 1kHz during 1 sec.
 345 }
 346 #if 0
 347 int wxGUIAppTraits::GetOSVersion(
 348   int*                              pMajorVsn
 349 , int*                              pMinorVsn
 350 )
 351 {
 352     ULONG                           ulSysInfo[QSV_MAX] = {0};
 353     APIRET                          ulrc;
 354
 355     ulrc = ::DosQuerySysInfo( 1L
 356                              ,QSV_MAX
 357                              ,(PVOID)ulSysInfo
 358                              ,sizeof(ULONG) * QSV_MAX
 359                             );
 360     if (ulrc == 0L)
 361     {
 362         *pMajorVsn = ulSysInfo[QSV_VERSION_MAJOR];
 363         *pMajorVsn = *pMajorVsn/10;
 364         *pMinorVsn = ulSysInfo[QSV_VERSION_MINOR];
 365         return wxWINDOWS_OS2;
 366     }
 367     return wxWINDOWS; // error if we get here, return generic value
 368 }
 369 #endif
 370 // ---------------------------------------------------------------------------
 371 const wxChar* wxGetHomeDir(
 372   wxString*                         pStr
 373 )
 374 {
 375     wxString&                       rStrDir = *pStr;
 376
 377     // OS/2 has no idea about home,
 378     // so use the working directory instead?
 379
 380     // 256 was taken from os2def.h
 381 #ifndef MAX_PATH
 382 #  define MAX_PATH  256
 383 #endif
 384
 385     char                            zDirName[256];
 386     ULONG                           ulDirLen;
 387
 388     ::DosQueryCurrentDir(0, zDirName, &ulDirLen);
 389     rStrDir = zDirName;
 390     return rStrDir.c_str();
 391 }
 392
 393 // Hack for OS/2
 394 wxChar* wxGetUserHome (
 395   const wxString&                   rUser
 396 )
 397 {
 398     wxChar*                         zHome;
 399     wxString                        sUser1(rUser);
 400
 401     wxBuffer = new wxChar[256];
 402 #ifndef __EMX__
 403     if (sUser1 != _T(""))
 404     {
 405         wxChar                      zTmp[64];
 406
 407         if (wxGetUserId( zTmp
 408                         ,sizeof(zTmp)/sizeof(char)
 409                        ))
 410         {
 411             // Guests belong in the temp dir
 412             if (wxStricmp(zTmp, _T("annonymous")) == 0)
 413             {
 414                 if ((zHome = wxGetenv(_T("TMP"))) != NULL    ||
 415                     (zHome = wxGetenv(_T("TMPDIR"))) != NULL ||
 416                     (zHome = wxGetenv(_T("TEMP"))) != NULL)
 417                     delete[] wxBuffer;
 418                     return *zHome ? zHome : (wxChar*)_T("\\");
 419             }
 420             if (wxStricmp(zTmp, WXSTRINGCAST sUser1) == 0)
 421                 sUser1 = _T("");
 422         }
 423     }
 424 #endif
 425     if (sUser1 == _T(""))
 426     {
 427         if ((zHome = wxGetenv(_T("HOME"))) != NULL)
 428         {
 429             wxStrcpy(wxBuffer, zHome);
 430             wxUnix2DosFilename(wxBuffer);
 431             wxStrcpy(zHome, wxBuffer);
 432             delete[] wxBuffer;
 433             return zHome;
 434         }
 435     }
 436     delete[] wxBuffer;
 437     return NULL; // No home known!
 438 }
 439
 440 bool wxDirExists(
 441   const wxString&                   rDir
 442 )
 443 {
 444     return (::DosSetCurrentDir(WXSTRINGCAST rDir));
 445 }
 446
 447 wxString WXDLLEXPORT wxPMErrorToStr(
 448   ERRORID                           vError
 449 )
 450 {
 451     wxString                        sError;
 452
 453     //
 454     // Remove the high order byte -- it is useless
 455     //
 456     vError &= 0x0000ffff;
 457     switch(vError)
 458     {
 459         case PMERR_INVALID_HWND:
 460             sError = wxT("Invalid window handle specified");
 461             break;
 462
 463         case PMERR_INVALID_FLAG:
 464             sError = wxT("Invalid flag bit set");
 465             break;
 466
 467         case PMERR_NO_MSG_QUEUE:
 468             sError = wxT("No message queue available");
 469             break;
 470
 471         case PMERR_INVALID_PARM:
 472             sError = wxT("Parameter contained invalid data");
 473             break;
 474
 475         case PMERR_INVALID_PARAMETERS:
 476             sError = wxT("Parameter value is out of range");
 477             break;
 478
 479         case PMERR_PARAMETER_OUT_OF_RANGE:
 480             sError = wxT("Parameter value is out of range");
 481             break;
 482
 483         case PMERR_INVALID_INTEGER_ATOM:
 484             sError = wxT("Not a valid atom");
 485             break;
 486
 487         case PMERR_INVALID_HATOMTBL:
 488             sError = wxT("Atom table handle is invalid");
 489             break;
 490
 491         case PMERR_INVALID_ATOM_NAME:
 492             sError = wxT("Not a valid atom name");
 493             break;
 494
 495         case PMERR_ATOM_NAME_NOT_FOUND:
 496             sError = wxT("Valid name format, but cannot find name in atom table");
 497             break;
 498
 499         default:
 500             sError = wxT("Unknown error");
 501     }
 502     return(sError);
 503 } // end of wxPMErrorToStr