src/os2/utils.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/os2/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 #include "wx/utils.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/intl.h"
  19     #include "wx/log.h"
  20 #endif  //WX_PRECOMP
  21
  22 #include "wx/os2/private.h"
  23 #include "wx/apptrait.h"
  24 #include "wx/filename.h"
  25
  26 #include <ctype.h>
  27 #ifdef __EMX__
  28 #include <dirent.h>
  29 #endif
  30
  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 #if defined(__WATCOMC__)
  43 extern "C"
  44 {
  45     #include <upm.h>
  46 }
  47 #elif !defined(__EMX__)
  48     #include <upm.h>
  49     #include <netcons.h>
  50     #include <netbios.h>
  51 #endif
  52
  53 static const wxChar WX_SECTION[] = _T("wxWidgets");
  54 static const wxChar eHOSTNAME[]  = _T("HostName");
  55
  56 // For the following functions we SHOULD fill in support
  57 // for Windows-NT (which I don't know) as I assume it begin
  58 // a POSIX Unix (so claims MS) that it has some special
  59 // functions beyond those provided by WinSock
  60
  61 // Get full hostname (eg. DoDo.BSn-Germany.crg.de)
  62 bool wxGetHostName( wxChar* zBuf, int nMaxSize )
  63 {
  64     if (!zBuf) return false;
  65
  66 #if defined(wxUSE_NET_API) && wxUSE_NET_API
  67     char           zServer[256];
  68     char           zComputer[256];
  69     unsigned long  ulLevel = 0;
  70     unsigned char* zBuffer = NULL;
  71     unsigned long  ulBuffer = 256;
  72     unsigned long* pulTotalAvail = NULL;
  73
  74     NetBios32GetInfo( (const unsigned char*)zServer
  75                      ,(const unsigned char*)zComputer
  76                      ,ulLevel
  77                      ,zBuffer
  78                      ,ulBuffer
  79                      ,pulTotalAvail
  80                     );
  81     strcpy(zBuf, zServer);
  82 #else
  83     wxChar*        zSysname;
  84     const wxChar*  zDefaultHost = _T("noname");
  85
  86     if ((zSysname = wxGetenv(_T("SYSTEM_NAME"))) == NULL &&
  87         (zSysname = wxGetenv(_T("HOSTNAME"))) == NULL)
  88     {
  89         ::PrfQueryProfileString( HINI_PROFILE
  90                                 ,(PSZ)WX_SECTION
  91                                 ,(PSZ)eHOSTNAME
  92                                 ,(PSZ)zDefaultHost
  93                                 ,(void*)zBuf
  94                                 ,(ULONG)nMaxSize - 1
  95                                );
  96     }
  97     else
  98     {
  99         wxStrncpy(zBuf, zSysname, nMaxSize - 1);
 100     }
 101
 102     zBuf[nMaxSize] = _T('\0');
 103 #endif
 104
 105     return *zBuf ? true : false;
 106 }
 107
 108 // Get user ID e.g. jacs
 109 bool wxGetUserId(wxChar* zBuf, int nType)
 110 {
 111 #if defined(__VISAGECPP__) || defined(__WATCOMC__)
 112     // UPM procs return 0 on success
 113     long lrc = U32ELOCU((PUCHAR)zBuf, (PULONG)&nType);
 114     if (lrc == 0) return true;
 115 #endif
 116     return false;
 117 }
 118
 119 bool wxGetUserName( wxChar* zBuf, int nMaxSize )
 120 {
 121 #ifdef USE_NET_API
 122     wxGetUserId( zBuf, nMaxSize );
 123 #else
 124     wxStrncpy(zBuf, _T("Unknown User"), nMaxSize);
 125 #endif
 126     return true;
 127 }
 128
 129 int wxKill(long         lPid,
 130            wxSignal     WXUNUSED(eSig),
 131            wxKillError* WXUNUSED(peError),
 132            int          WXUNUSED(flags))
 133 {
 134     return((int)::DosKillProcess(0, (PID)lPid));
 135 }
 136
 137 //
 138 // Execute a program in an Interactive Shell
 139 //
 140 bool wxShell( const wxString& rCommand )
 141 {
 142     wxChar*     zShell = _T("CMD.EXE");
 143     wxString    sInputs;
 144     STARTDATA   SData = {0};
 145     PSZ         PgmTitle = "Command Shell";
 146     APIRET      rc;
 147     PID         vPid = 0;
 148     ULONG       ulSessID = 0;
 149     UCHAR       achObjBuf[256] = {0}; //error data if DosStart fails
 150     RESULTCODES vResult;
 151
 152     SData.Length   = sizeof(STARTDATA);
 153     SData.Related  = SSF_RELATED_INDEPENDENT;
 154     SData.FgBg     = SSF_FGBG_FORE;
 155     SData.TraceOpt = SSF_TRACEOPT_NONE;
 156     SData.PgmTitle = PgmTitle;
 157     SData.PgmName  = (char*)zShell;
 158
 159     sInputs = _T("/C ") + rCommand;
 160     SData.PgmInputs     = (BYTE*)sInputs.wx_str();
 161     SData.TermQ         = 0;
 162     SData.Environment   = 0;
 163     SData.InheritOpt    = SSF_INHERTOPT_SHELL;
 164     SData.SessionType   = SSF_TYPE_WINDOWABLEVIO;
 165     SData.IconFile      = 0;
 166     SData.PgmHandle     = 0;
 167     SData.PgmControl    = SSF_CONTROL_VISIBLE | SSF_CONTROL_MAXIMIZE;
 168     SData.InitXPos      = 30;
 169     SData.InitYPos      = 40;
 170     SData.InitXSize     = 200;
 171     SData.InitYSize     = 140;
 172     SData.Reserved      = 0;
 173     SData.ObjectBuffer  = (char*)achObjBuf;
 174     SData.ObjectBuffLen = (ULONG)sizeof(achObjBuf);
 175
 176     rc = ::DosStartSession(&SData, &ulSessID, &vPid);
 177     if (rc == 0 || rc == 457) // NO_ERROR or SMG_START_IN_BACKGROUND
 178     {
 179         PTIB                            ptib;
 180         PPIB                            ppib;
 181
 182         ::DosGetInfoBlocks(&ptib, &ppib);
 183
 184         ::DosWaitChild( DCWA_PROCESS
 185                        ,DCWW_WAIT
 186                        ,&vResult
 187                        ,&ppib->pib_ulpid
 188                        ,vPid
 189                       );
 190     }
 191     return (rc != 0);
 192 }
 193
 194 // Shutdown or reboot the PC
 195 bool wxShutdown(wxShutdownFlags WXUNUSED(wFlags))
 196 {
 197     // TODO
 198     return false;
 199 }
 200
 201 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 202 wxMemorySize wxGetFreeMemory()
 203 {
 204     void* pMemptr = NULL;
 205     LONG  lSize;
 206     ULONG lMemFlags;
 207     APIRET rc;
 208
 209     lMemFlags = PAG_FREE;
 210     rc = ::DosQueryMem(pMemptr, (PULONG)&lSize, &lMemFlags);
 211     if (rc != 0)
 212         lSize = -1L;
 213     return (wxMemorySize)lSize;
 214 }
 215
 216 // Get Process ID
 217 unsigned long wxGetProcessId()
 218 {
 219     return (unsigned long)getpid();
 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((const wxChar *)var);
 230     if ( !p )
 231         return false;
 232
 233     if ( value )
 234     {
 235         *value = p;
 236     }
 237
 238     return true;
 239 }
 240
 241 static bool wxDoSetEnv(const wxString& variable, const char *value)
 242 {
 243 #if defined(HAVE_SETENV)
 244     return setenv(variable.mb_str(), value, 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     wxUnusedVar(variable);
 260     wxUnusedVar(value);
 261     return false;
 262 #endif
 263 }
 264
 265 bool wxSetEnv(const wxString& variable, const wxString& value)
 266 {
 267     return wxDoSetEnv(variable, value.mb_str());
 268 }
 269
 270 bool wxUnsetEnv(const wxString& variable)
 271 {
 272     return wxDoSetEnv(variable, NULL);
 273 }
 274
 275 void wxMilliSleep(
 276   unsigned long                     ulMilliseconds
 277 )
 278 {
 279     ::DosSleep(ulMilliseconds);
 280 }
 281
 282 void wxMicroSleep(
 283   unsigned long                     ulMicroseconds
 284 )
 285 {
 286     ::DosSleep(ulMicroseconds/1000);
 287 }
 288
 289 void wxSleep(
 290   int                               nSecs
 291 )
 292 {
 293     ::DosSleep(1000 * nSecs);
 294 }
 295
 296 // Consume all events until no more left
 297 void wxFlushEvents()
 298 {
 299 //  wxYield();
 300 }
 301
 302 // Emit a beeeeeep
 303 void wxBell()
 304 {
 305     DosBeep(1000,1000); // 1kHz during 1 sec.
 306 }
 307
 308 wxString wxGetOsDescription()
 309 {
 310     wxString strVer(_T("OS/2"));
 311     ULONG ulSysInfo = 0;
 312
 313     if (::DosQuerySysInfo( QSV_VERSION_MINOR,
 314                            QSV_VERSION_MINOR,
 315                            (PVOID)&ulSysInfo,
 316                            sizeof(ULONG)
 317                          ) == 0L )
 318     {
 319         wxString ver;
 320         ver.Printf( _T(" ver. %d.%d"),
 321                     int(ulSysInfo / 10),
 322                     int(ulSysInfo % 10)
 323                   );
 324         strVer += ver;
 325     }
 326
 327     return strVer;
 328 }
 329
 330 bool wxIsPlatform64Bit()
 331 {
 332     // FIXME: No idea how to test for 64 bit processor
 333     //        (Probably irrelevant anyhow, though).
 334     return false;
 335 }
 336
 337 void wxAppTraits::InitializeGui(unsigned long &WXUNUSED(ulHab))
 338 {
 339 }
 340
 341 void wxAppTraits::TerminateGui(unsigned long WXUNUSED(ulHab))
 342 {
 343 }
 344
 345 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 346 {
 347     ULONG                 ulSysInfo = 0;
 348     APIRET                ulrc;
 349
 350     ulrc = ::DosQuerySysInfo( QSV_VERSION_MINOR,
 351                               QSV_VERSION_MINOR,
 352                               (PVOID)&ulSysInfo,
 353                               sizeof(ULONG)
 354                             );
 355
 356     if (ulrc == 0L)
 357     {
 358         if ( verMaj )
 359             *verMaj = ulSysInfo / 10;
 360         if ( verMin )
 361             *verMin = ulSysInfo % 10;
 362     }
 363
 364     return wxOS_OS2;
 365 }
 366
 367
 368 // ---------------------------------------------------------------------------
 369 const wxChar* wxGetHomeDir(
 370   wxString*                         pStr
 371 )
 372 {
 373     wxString&                       rStrDir = *pStr;
 374
 375     // OS/2 has no idea about home,
 376     // so use the working directory instead.
 377     // However, we might have a valid HOME directory,
 378     // as is used on many machines that have unix utilities
 379     // on them, so we should use that, if available.
 380
 381     // 256 was taken from os2def.h
 382 #ifndef MAX_PATH
 383 #  define MAX_PATH  256
 384 #endif
 385
 386     const wxChar *szHome = wxGetenv((wxChar*)"HOME");
 387     if ( szHome == NULL ) {
 388       // we're homeless, use current directory.
 389       rStrDir = wxT(".");
 390     }
 391     else
 392        rStrDir = szHome;
 393
 394     return rStrDir.c_str();
 395 }
 396
 397 wxString wxGetUserHome ( const wxString &rUser )
 398 {
 399     wxChar*    zHome;
 400     wxString   sUser(rUser);
 401
 402     wxString home;
 403
 404 #ifndef __EMX__
 405     if (!sUser.empty())
 406     {
 407         const wxString currentUser = wxGetUserId();
 408
 409         // Guests belong in the temp dir
 410         if ( currentUser == "annonymous" )
 411         {
 412             zHome = wxGetenv(_T("TMP"));
 413             if ( !zHome )
 414                 zHome = wxGetenv(_T("TMPDIR"));
 415             if ( !zHome )
 416                 zHome = wxGetenv(_T("TEMP"));
 417
 418             if ( zHome && *zHome )
 419                 return zHome;
 420         }
 421
 422         if ( sUser == currentUser )
 423             sUser.clear();
 424     }
 425 #endif
 426     if (sUser.empty())
 427     {
 428         if ((zHome = wxGetenv(_T("HOME"))) != NULL)
 429         {
 430             home = zHome;
 431             home.Replace("/", "\\");
 432         }
 433     }
 434
 435     return home;
 436 }
 437
 438 bool wxGetDiskSpace(const wxString& path,
 439                     wxDiskspaceSize_t *pTotal,
 440                     wxDiskspaceSize_t *pFree)
 441 {
 442     if (path.empty())
 443         return false;
 444
 445     wxFileName fn(path);
 446     FSALLOCATE fsaBuf = {0};
 447     APIRET rc = NO_ERROR;
 448     ULONG disknum = 0;
 449
 450     fn.MakeAbsolute();
 451
 452     if (wxDirExists(fn.GetFullPath()) == false)
 453         return false;
 454
 455     disknum = wxToupper(fn.GetVolume().GetChar(0)) - _T('A') + 1;
 456
 457     rc = ::DosQueryFSInfo(disknum,             // 1 = A, 2 = B, 3 = C, ...
 458                           FSIL_ALLOC,          // allocation info
 459                           (PVOID)&fsaBuf,
 460                           sizeof(FSALLOCATE));
 461
 462     if (rc != NO_ERROR)
 463         return false;
 464     else
 465     {
 466         if(pTotal)
 467         {
 468            // to try to avoid 32-bit overflow, let's not multiply right away
 469             // (num of alloc units)
 470             *pTotal = fsaBuf.cUnit;
 471             // * (num of sectors per alloc unit) * (num of bytes per sector)
 472             (*pTotal) *= fsaBuf.cSectorUnit * fsaBuf.cbSector;
 473         }
 474         if(pFree)
 475         {
 476             *pFree = fsaBuf.cUnitAvail;
 477             (*pFree) *= fsaBuf.cSectorUnit * fsaBuf.cbSector;
 478         }
 479         return true;
 480     }
 481 }
 482
 483 wxString wxPMErrorToStr(ERRORID vError)
 484 {
 485     wxString sError;
 486
 487     //
 488     // Remove the high order byte -- it is useless
 489     //
 490     vError &= 0x0000ffff;
 491     switch(vError)
 492     {
 493         case PMERR_INVALID_HWND:
 494             sError = wxT("Invalid window handle specified");
 495             break;
 496
 497         case PMERR_INVALID_FLAG:
 498             sError = wxT("Invalid flag bit set");
 499             break;
 500
 501         case PMERR_NO_MSG_QUEUE:
 502             sError = wxT("No message queue available");
 503             break;
 504
 505         case PMERR_INVALID_PARM:
 506             sError = wxT("Parameter contained invalid data");
 507             break;
 508
 509         case PMERR_INVALID_PARAMETERS:
 510             sError = wxT("Parameter value is out of range");
 511             break;
 512
 513         case PMERR_PARAMETER_OUT_OF_RANGE:
 514             sError = wxT("Parameter value is out of range");
 515             break;
 516
 517         case PMERR_INVALID_INTEGER_ATOM:
 518             sError = wxT("Not a valid atom");
 519             break;
 520
 521         case PMERR_INVALID_HATOMTBL:
 522             sError = wxT("Atom table handle is invalid");
 523             break;
 524
 525         case PMERR_INVALID_ATOM_NAME:
 526             sError = wxT("Not a valid atom name");
 527             break;
 528
 529         case PMERR_ATOM_NAME_NOT_FOUND:
 530             sError = wxT("Valid name format, but cannot find name in atom table");
 531             break;
 532
 533         case PMERR_INV_HPS:
 534             sError = wxT("PMERR_INV_HPS");
 535             break;
 536
 537         case PMERR_PS_BUSY:
 538             sError = wxT("PMERR_PS_BUSY");
 539             break;
 540
 541         case PMERR_INV_PRIMITIVE_TYPE:
 542             sError = wxT("PMERR_INV_PRIMITIVE_TYPE");
 543             break;
 544
 545         case PMERR_UNSUPPORTED_ATTR:
 546             sError = wxT("PMERR_UNSUPPORTED_ATTR");
 547             break;
 548
 549         case PMERR_INV_COLOR_ATTR:
 550             sError = wxT("PMERR_INV_COLOR_ATTR");
 551             break;
 552
 553         case PMERR_INV_BACKGROUND_COL_ATTR:
 554             sError = wxT("PMERR_INV_BACKGROUND_COL_ATTR");
 555             break;
 556
 557         case PMERR_INV_MIX_ATTR:
 558             sError = wxT("PMERR_INV_MIX_ATTR");
 559             break;
 560
 561         case PMERR_INV_LINE_WIDTH_ATTR:
 562             sError = wxT("PMERR_INV_LINE_WIDTH_ATTR");
 563             break;
 564
 565         case PMERR_INV_GEOM_LINE_WIDTH_ATTR:
 566             sError = wxT("PMERR_INV_GEOM_LINE_WIDTH_ATTR");
 567             break;
 568
 569         case PMERR_INV_LINE_TYPE_ATTR:
 570             sError = wxT("PMERR_INV_LINE_TYPE_ATTR");
 571             break;
 572
 573         case PMERR_INV_LINE_END_ATTR:
 574             sError = wxT("PMERR_INV_LINE_END_ATTR");
 575             break;
 576
 577         case PMERR_INV_LINE_JOIN_ATTR:
 578             sError = wxT("PMERR_INV_LINE_JOIN_ATTR");
 579             break;
 580
 581         case PMERR_INV_CHAR_SET_ATTR:
 582             sError = wxT("PMERR_INV_CHAR_SET_ATTR");
 583             break;
 584
 585         case PMERR_INV_CHAR_MODE_ATTR:
 586             sError = wxT("PMERR_INV_CHAR_MODE_ATTR");
 587             break;
 588
 589         case PMERR_INV_CHAR_DIRECTION_ATTR:
 590             sError = wxT("PMERR_INV_CHAR_DIRECTION_ATTR");
 591             break;
 592
 593         case PMERR_INV_CHAR_SHEAR_ATTR:
 594             sError = wxT("PMERR_INV_CHAR_SHEAR_ATTR");
 595             break;
 596
 597         case PMERR_INV_CHAR_ANGLE_ATTR:
 598             sError = wxT("PMERR_INV_CHAR_ANGLE_ATTR");
 599             break;
 600
 601         case PMERR_INV_MARKER_SET_ATTR:
 602             sError = wxT("PMERR_INV_MARKER_SET_ATTR");
 603             break;
 604
 605         case PMERR_INV_MARKER_SYMBOL_ATTR:
 606             sError = wxT("PMERR_INV_MARKER_SYMBOL_ATTR");
 607             break;
 608
 609         case PMERR_INV_PATTERN_SET_ATTR:
 610             sError = wxT("PMERR_INV_PATTERN_SET_ATTR");
 611             break;
 612
 613         case PMERR_INV_PATTERN_ATTR:
 614             sError = wxT("PMERR_INV_PATTERN_ATTR");
 615             break;
 616
 617         case PMERR_INV_COORDINATE:
 618             sError = wxT("PMERR_INV_COORDINATE");
 619             break;
 620
 621         case PMERR_UNSUPPORTED_ATTR_VALUE:
 622             sError = wxT("PMERR_UNSUPPORTED_ATTR_VALUE");
 623             break;
 624
 625         case PMERR_INV_PATTERN_SET_FONT:
 626             sError = wxT("PMERR_INV_PATTERN_SET_FONT");
 627             break;
 628
 629         case PMERR_HUGE_FONTS_NOT_SUPPORTED:
 630             sError = wxT("PMERR_HUGE_FONTS_NOT_SUPPORTED");
 631             break;
 632
 633         default:
 634             sError = wxT("Unknown error");
 635     }
 636     return sError;
 637 } // end of wxPMErrorToStr
 638
 639 // replacement for implementation in unix/utilsunx.cpp,
 640 // to be used by all X11 based ports.
 641 struct wxEndProcessData;
 642
 643 void wxHandleProcessTermination(wxEndProcessData *WXUNUSED(proc_data))
 644 {
 645     // For now, just do nothing. To be filled in as needed.
 646 }