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("wxWindows");
  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 )
 136 {
 137     return((int)::DosKillProcess(0, (PID)lPid));
 138 }
 139
 140 //
 141 // Execute a program in an Interactive Shell
 142 //
 143 bool wxShell(
 144   const wxString&                   rCommand
 145 )
 146 {
 147     wxChar*                         zShell = _T("CMD.EXE");
 148     wxString                        sInputs;
 149     STARTDATA                       SData = {0};
 150     PSZ                             PgmTitle = "Command Shell";
 151     APIRET                          rc;
 152     PID                             vPid = 0;
 153     ULONG                           ulSessID = 0;
 154     UCHAR                           achObjBuf[256] = {0}; //error data if DosStart fails
 155     RESULTCODES                     vResult;
 156
 157     SData.Length   = sizeof(STARTDATA);
 158     SData.Related  = SSF_RELATED_INDEPENDENT;
 159     SData.FgBg     = SSF_FGBG_FORE;
 160     SData.TraceOpt = SSF_TRACEOPT_NONE;
 161     SData.PgmTitle = PgmTitle;
 162     SData.PgmName  = zShell;
 163
 164     sInputs = "/C " + rCommand;
 165     SData.PgmInputs     = (BYTE*)sInputs.c_str();
 166     SData.TermQ         = 0;
 167     SData.Environment   = 0;
 168     SData.InheritOpt    = SSF_INHERTOPT_SHELL;
 169     SData.SessionType   = SSF_TYPE_WINDOWABLEVIO;
 170     SData.IconFile      = 0;
 171     SData.PgmHandle     = 0;
 172     SData.PgmControl    = SSF_CONTROL_VISIBLE | SSF_CONTROL_MAXIMIZE;
 173     SData.InitXPos      = 30;
 174     SData.InitYPos      = 40;
 175     SData.InitXSize     = 200;
 176     SData.InitYSize     = 140;
 177     SData.Reserved      = 0;
 178     SData.ObjectBuffer  = (char*)achObjBuf;
 179     SData.ObjectBuffLen = (ULONG)sizeof(achObjBuf);
 180
 181     rc = ::DosStartSession(&SData, &ulSessID, &vPid);
 182     if (rc == 0 || rc == 457) // NO_ERROR or SMG_START_IN_BACKGROUND
 183     {
 184         PTIB                            ptib;
 185         PPIB                            ppib;
 186
 187         ::DosGetInfoBlocks(&ptib, &ppib);
 188
 189         ::DosWaitChild( DCWA_PROCESS
 190                        ,DCWW_WAIT
 191                        ,&vResult
 192                        ,&ppib->pib_ulpid
 193                        ,vPid
 194                       );
 195     }
 196     return (rc != 0);
 197 }
 198
 199 // Shutdown or reboot the PC
 200 bool wxShutdown(wxShutdownFlags wFlags)
 201 {
 202     // TODO
 203     return FALSE;
 204 }
 205
 206 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 207 long wxGetFreeMemory()
 208 {
 209     void*                           pMemptr = NULL;
 210     ULONG                           lSize;
 211     ULONG                           lMemFlags;
 212     APIRET                          rc;
 213
 214     lMemFlags = PAG_FREE;
 215     rc = ::DosQueryMem(pMemptr, &lSize, &lMemFlags);
 216     if (rc != 0)
 217         return -1L;
 218     return (long)lSize;
 219 }
 220
 221 // ----------------------------------------------------------------------------
 222 // env vars
 223 // ----------------------------------------------------------------------------
 224
 225 bool wxGetEnv(const wxString& var, wxString *value)
 226 {
 227     // wxGetenv is defined as getenv()
 228     wxChar *p = wxGetenv(var);
 229     if ( !p )
 230         return FALSE;
 231
 232     if ( value )
 233     {
 234         *value = p;
 235     }
 236
 237     return TRUE;
 238 }
 239
 240 bool wxSetEnv(const wxString& variable, const wxChar *value)
 241 {
 242 #if defined(HAVE_SETENV)
 243     return setenv(variable.mb_str(), value ? wxString(value).mb_str().data()
 244                                            : NULL, 1 /* overwrite */) == 0;
 245 #elif defined(HAVE_PUTENV)
 246     wxString s = variable;
 247     if ( value )
 248         s << _T('=') << value;
 249
 250     // transform to ANSI
 251     const char *p = s.mb_str();
 252
 253     // the string will be free()d by libc
 254     char *buf = (char *)malloc(strlen(p) + 1);
 255     strcpy(buf, p);
 256
 257     return putenv(buf) == 0;
 258 #else // no way to set an env var
 259     return FALSE;
 260 #endif
 261 }
 262
 263 void wxUsleep(
 264   unsigned long                     ulMilliseconds
 265 )
 266 {
 267     ::DosSleep(ulMilliseconds);
 268 }
 269
 270 void wxSleep(
 271   int                               nSecs
 272 )
 273 {
 274     ::DosSleep(1000 * nSecs);
 275 }
 276
 277 // Consume all events until no more left
 278 void wxFlushEvents()
 279 {
 280 //  wxYield();
 281 }
 282
 283 #if WXWIN_COMPATIBILITY_2_2
 284
 285 // Output a debug mess., in a system dependent fashion.
 286 void wxDebugMsg(
 287   const wxChar*                     zFmt ...
 288 )
 289 {
 290     va_list                         vAp;
 291     static wxChar                   zBuffer[512];
 292
 293     if (!wxTheApp->GetWantDebugOutput())
 294         return ;
 295     va_start(vAp, zFmt);
 296     sprintf(zBuffer, zFmt, vAp) ;
 297     va_end(vAp);
 298 }
 299
 300 // Non-fatal error: pop up message box and (possibly) continue
 301 void wxError(
 302   const wxString&                   rMsg
 303 , const wxString&                   rTitle
 304 )
 305 {
 306     wxChar *wxBuffer = new wxChar[256];
 307     wxSprintf(wxBuffer, "%s\nContinue?", WXSTRINGCAST rMsg);
 308     if (::WinMessageBox( HWND_DESKTOP
 309                         ,NULL
 310                         ,(PSZ)wxBuffer
 311                         ,(PSZ)WXSTRINGCAST rTitle
 312                         ,0
 313                         ,MB_ICONEXCLAMATION | MB_YESNO
 314                        ) == MBID_YES)
 315     delete[] wxBuffer;
 316     wxExit();
 317 }
 318
 319 // Fatal error: pop up message box and abort
 320 void wxFatalError(
 321   const wxString&                   rMsg
 322 , const wxString&                   rTitle
 323 )
 324 {
 325     unsigned long                   ulRc;
 326
 327     ulRc = ::WinMessageBox( HWND_DESKTOP
 328                            ,NULL
 329                            ,WXSTRINGCAST rMsg
 330                            ,WXSTRINGCAST rTitle
 331                            ,0
 332                            ,MB_NOICON | MB_OK
 333                           );
 334     DosExit(EXIT_PROCESS, ulRc);
 335 }
 336
 337 #endif // WXWIN_COMPATIBILITY_2_2
 338
 339 // Emit a beeeeeep
 340 void wxBell()
 341 {
 342     DosBeep(1000,1000); // 1kHz during 1 sec.
 343 }
 344
 345
 346 void wxAppTraits::InitializeGui(unsigned long &ulHab)
 347 {
 348 }
 349
 350 void wxAppTraits::TerminateGui(unsigned long ulHab)
 351 {
 352 }
 353
 354 wxToolkitInfo & wxConsoleAppTraits::GetToolkitInfo()
 355 {
 356     static wxToolkitInfo            vInfo;
 357     ULONG                           ulSysInfo[QSV_MAX] = {0};
 358     APIRET                          ulrc;
 359
 360     vInfo.name = _T("wxBase");
 361     ulrc = ::DosQuerySysInfo( 1L
 362                              ,QSV_MAX
 363                              ,(PVOID)ulSysInfo
 364                              ,sizeof(ULONG) * QSV_MAX
 365                             );
 366     if (ulrc == 0L)
 367     {
 368         vInfo.versionMajor = ulSysInfo[QSV_VERSION_MAJOR] / 10;
 369         vInfo.versionMinor = ulSysInfo[QSV_VERSION_MINOR];
 370     }
 371     vInfo.os = wxOS2_PM;
 372     return vInfo;
 373 }
 374
 375 // ---------------------------------------------------------------------------
 376 const wxChar* wxGetHomeDir(
 377   wxString*                         pStr
 378 )
 379 {
 380     wxString&                       rStrDir = *pStr;
 381
 382     // OS/2 has no idea about home,
 383     // so use the working directory instead.
 384     // However, we might have a valid HOME directory,
 385     // as is used on many machines that have unix utilities
 386     // on them, so we should use that, if available.
 387
 388     // 256 was taken from os2def.h
 389 #ifndef MAX_PATH
 390 #  define MAX_PATH  256
 391 #endif
 392
 393     const wxChar *szHome = wxGetenv("HOME");
 394     if ( szHome == NULL ) {
 395       // we're homeless, use current directory.
 396       rStrDir = wxT(".");
 397     }
 398     else
 399        rStrDir = szHome;
 400
 401     return rStrDir.c_str();
 402 }
 403
 404 // Hack for OS/2
 405 wxChar* wxGetUserHome (
 406   const wxString&                   rUser
 407 )
 408 {
 409     wxChar*                         zHome;
 410     wxString                        sUser1(rUser);
 411
 412     char *wxBuffer = new wxChar[256];
 413 #ifndef __EMX__
 414     if (sUser1 != _T(""))
 415     {
 416         wxChar                      zTmp[64];
 417
 418         if (wxGetUserId( zTmp
 419                         ,sizeof(zTmp)/sizeof(char)
 420                        ))
 421         {
 422             // Guests belong in the temp dir
 423             if (wxStricmp(zTmp, _T("annonymous")) == 0)
 424             {
 425                 if ((zHome = wxGetenv(_T("TMP"))) != NULL    ||
 426                     (zHome = wxGetenv(_T("TMPDIR"))) != NULL ||
 427                     (zHome = wxGetenv(_T("TEMP"))) != NULL)
 428                     delete[] wxBuffer;
 429                     return *zHome ? zHome : (wxChar*)_T("\\");
 430             }
 431             if (wxStricmp(zTmp, WXSTRINGCAST sUser1) == 0)
 432                 sUser1 = _T("");
 433         }
 434     }
 435 #endif
 436     if (sUser1 == _T(""))
 437     {
 438         if ((zHome = wxGetenv(_T("HOME"))) != NULL)
 439         {
 440             wxStrcpy(wxBuffer, zHome);
 441             wxUnix2DosFilename(wxBuffer);
 442             wxStrcpy(zHome, wxBuffer);
 443             delete[] wxBuffer;
 444             return zHome;
 445         }
 446     }
 447     delete[] wxBuffer;
 448     return NULL; // No home known!
 449 }
 450
 451 bool wxDirExists(
 452   const wxString&                   rDir
 453 )
 454 {
 455     return (::DosSetCurrentDir(WXSTRINGCAST rDir));
 456 }
 457
 458 wxString WXDLLEXPORT wxPMErrorToStr(
 459   ERRORID                           vError
 460 )
 461 {
 462     wxString                        sError;
 463
 464     //
 465     // Remove the high order byte -- it is useless
 466     //
 467     vError &= 0x0000ffff;
 468     switch(vError)
 469     {
 470         case PMERR_INVALID_HWND:
 471             sError = wxT("Invalid window handle specified");
 472             break;
 473
 474         case PMERR_INVALID_FLAG:
 475             sError = wxT("Invalid flag bit set");
 476             break;
 477
 478         case PMERR_NO_MSG_QUEUE:
 479             sError = wxT("No message queue available");
 480             break;
 481
 482         case PMERR_INVALID_PARM:
 483             sError = wxT("Parameter contained invalid data");
 484             break;
 485
 486         case PMERR_INVALID_PARAMETERS:
 487             sError = wxT("Parameter value is out of range");
 488             break;
 489
 490         case PMERR_PARAMETER_OUT_OF_RANGE:
 491             sError = wxT("Parameter value is out of range");
 492             break;
 493
 494         case PMERR_INVALID_INTEGER_ATOM:
 495             sError = wxT("Not a valid atom");
 496             break;
 497
 498         case PMERR_INVALID_HATOMTBL:
 499             sError = wxT("Atom table handle is invalid");
 500             break;
 501
 502         case PMERR_INVALID_ATOM_NAME:
 503             sError = wxT("Not a valid atom name");
 504             break;
 505
 506         case PMERR_ATOM_NAME_NOT_FOUND:
 507             sError = wxT("Valid name format, but cannot find name in atom table");
 508             break;
 509
 510         default:
 511             sError = wxT("Unknown error");
 512     }
 513     return(sError);
 514 } // end of wxPMErrorToStr
 515
 516 // replacement for implementation in unix/utilsunx.cpp,
 517 // to be used by all X11 based ports.
 518 struct wxEndProcessData;
 519
 520 void wxHandleProcessTermination(wxEndProcessData *proc_data)
 521 {
 522     // For now, just do nothing. To be filled in as needed.
 523 }