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     if ( !value )
 245     {
 246 #ifdef HAVE_UNSETENV
 247         return unsetenv(variable.mb_str()) == 0;
 248 #else
 249         value = _T(""); // mustn't pass NULL to setenv()
 250 #endif
 251     }
 252     return setenv(variable.mb_str(), value, 1 /* overwrite */) == 0;
 253 #elif defined(HAVE_PUTENV)
 254     wxString s = variable;
 255     if ( value )
 256         s << _T('=') << value;
 257
 258     // transform to ANSI
 259     const char *p = s.mb_str();
 260
 261     // the string will be free()d by libc
 262     char *buf = (char *)malloc(strlen(p) + 1);
 263     strcpy(buf, p);
 264
 265     return putenv(buf) == 0;
 266 #else // no way to set an env var
 267     wxUnusedVar(variable);
 268     wxUnusedVar(value);
 269     return false;
 270 #endif
 271 }
 272
 273 bool wxSetEnv(const wxString& variable, const wxString& value)
 274 {
 275     return wxDoSetEnv(variable, value.mb_str());
 276 }
 277
 278 bool wxUnsetEnv(const wxString& variable)
 279 {
 280     return wxDoSetEnv(variable, NULL);
 281 }
 282
 283 void wxMilliSleep(
 284   unsigned long                     ulMilliseconds
 285 )
 286 {
 287     ::DosSleep(ulMilliseconds);
 288 }
 289
 290 void wxMicroSleep(
 291   unsigned long                     ulMicroseconds
 292 )
 293 {
 294     ::DosSleep(ulMicroseconds/1000);
 295 }
 296
 297 void wxSleep(
 298   int                               nSecs
 299 )
 300 {
 301     ::DosSleep(1000 * nSecs);
 302 }
 303
 304 // Consume all events until no more left
 305 void wxFlushEvents()
 306 {
 307 //  wxYield();
 308 }
 309
 310 // Emit a beeeeeep
 311 void wxBell()
 312 {
 313     DosBeep(1000,1000); // 1kHz during 1 sec.
 314 }
 315
 316 wxString wxGetOsDescription()
 317 {
 318     wxString strVer(_T("OS/2"));
 319     ULONG ulSysInfo = 0;
 320
 321     if (::DosQuerySysInfo( QSV_VERSION_MINOR,
 322                            QSV_VERSION_MINOR,
 323                            (PVOID)&ulSysInfo,
 324                            sizeof(ULONG)
 325                          ) == 0L )
 326     {
 327         wxString ver;
 328         ver.Printf( _T(" ver. %d.%d"),
 329                     int(ulSysInfo / 10),
 330                     int(ulSysInfo % 10)
 331                   );
 332         strVer += ver;
 333     }
 334
 335     return strVer;
 336 }
 337
 338 bool wxIsPlatform64Bit()
 339 {
 340     // FIXME: No idea how to test for 64 bit processor
 341     //        (Probably irrelevant anyhow, though).
 342     return false;
 343 }
 344
 345 void wxAppTraits::InitializeGui(unsigned long &WXUNUSED(ulHab))
 346 {
 347 }
 348
 349 void wxAppTraits::TerminateGui(unsigned long WXUNUSED(ulHab))
 350 {
 351 }
 352
 353 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 354 {
 355     ULONG                 ulSysInfo = 0;
 356     APIRET                ulrc;
 357
 358     ulrc = ::DosQuerySysInfo( QSV_VERSION_MINOR,
 359                               QSV_VERSION_MINOR,
 360                               (PVOID)&ulSysInfo,
 361                               sizeof(ULONG)
 362                             );
 363
 364     if (ulrc == 0L)
 365     {
 366         if ( verMaj )
 367             *verMaj = ulSysInfo / 10;
 368         if ( verMin )
 369             *verMin = ulSysInfo % 10;
 370     }
 371
 372     return wxOS_OS2;
 373 }
 374
 375
 376 // ---------------------------------------------------------------------------
 377 const wxChar* wxGetHomeDir(
 378   wxString*                         pStr
 379 )
 380 {
 381     wxString&                       rStrDir = *pStr;
 382
 383     // OS/2 has no idea about home,
 384     // so use the working directory instead.
 385     // However, we might have a valid HOME directory,
 386     // as is used on many machines that have unix utilities
 387     // on them, so we should use that, if available.
 388
 389     // 256 was taken from os2def.h
 390 #ifndef MAX_PATH
 391 #  define MAX_PATH  256
 392 #endif
 393
 394     const wxChar *szHome = wxGetenv((wxChar*)"HOME");
 395     if ( szHome == NULL ) {
 396       // we're homeless, use current directory.
 397       rStrDir = wxT(".");
 398     }
 399     else
 400        rStrDir = szHome;
 401
 402     return rStrDir.c_str();
 403 }
 404
 405 wxString wxGetUserHome ( const wxString &rUser )
 406 {
 407     wxChar*    zHome;
 408     wxString   sUser(rUser);
 409
 410     wxString home;
 411
 412 #ifndef __EMX__
 413     if (!sUser.empty())
 414     {
 415         const wxString currentUser = wxGetUserId();
 416
 417         // Guests belong in the temp dir
 418         if ( currentUser == "annonymous" )
 419         {
 420             zHome = wxGetenv(_T("TMP"));
 421             if ( !zHome )
 422                 zHome = wxGetenv(_T("TMPDIR"));
 423             if ( !zHome )
 424                 zHome = wxGetenv(_T("TEMP"));
 425
 426             if ( zHome && *zHome )
 427                 return zHome;
 428         }
 429
 430         if ( sUser == currentUser )
 431             sUser.clear();
 432     }
 433 #endif
 434     if (sUser.empty())
 435     {
 436         if ((zHome = wxGetenv(_T("HOME"))) != NULL)
 437         {
 438             home = zHome;
 439             home.Replace("/", "\\");
 440         }
 441     }
 442
 443     return home;
 444 }
 445
 446 bool wxGetDiskSpace(const wxString& path,
 447                     wxDiskspaceSize_t *pTotal,
 448                     wxDiskspaceSize_t *pFree)
 449 {
 450     if (path.empty())
 451         return false;
 452
 453     wxFileName fn(path);
 454     FSALLOCATE fsaBuf = {0};
 455     APIRET rc = NO_ERROR;
 456     ULONG disknum = 0;
 457
 458     fn.MakeAbsolute();
 459
 460     if (wxDirExists(fn.GetFullPath()) == false)
 461         return false;
 462
 463     disknum = wxToupper(fn.GetVolume().GetChar(0)) - _T('A') + 1;
 464
 465     rc = ::DosQueryFSInfo(disknum,             // 1 = A, 2 = B, 3 = C, ...
 466                           FSIL_ALLOC,          // allocation info
 467                           (PVOID)&fsaBuf,
 468                           sizeof(FSALLOCATE));
 469
 470     if (rc != NO_ERROR)
 471         return false;
 472     else
 473     {
 474         if(pTotal)
 475         {
 476            // to try to avoid 32-bit overflow, let's not multiply right away
 477             // (num of alloc units)
 478             *pTotal = fsaBuf.cUnit;
 479             // * (num of sectors per alloc unit) * (num of bytes per sector)
 480             (*pTotal) *= fsaBuf.cSectorUnit * fsaBuf.cbSector;
 481         }
 482         if(pFree)
 483         {
 484             *pFree = fsaBuf.cUnitAvail;
 485             (*pFree) *= fsaBuf.cSectorUnit * fsaBuf.cbSector;
 486         }
 487         return true;
 488     }
 489 }
 490
 491 wxString wxPMErrorToStr(ERRORID vError)
 492 {
 493     wxString sError;
 494
 495     //
 496     // Remove the high order byte -- it is useless
 497     //
 498     vError &= 0x0000ffff;
 499     switch(vError)
 500     {
 501         case PMERR_INVALID_HWND:
 502             sError = wxT("Invalid window handle specified");
 503             break;
 504
 505         case PMERR_INVALID_FLAG:
 506             sError = wxT("Invalid flag bit set");
 507             break;
 508
 509         case PMERR_NO_MSG_QUEUE:
 510             sError = wxT("No message queue available");
 511             break;
 512
 513         case PMERR_INVALID_PARM:
 514             sError = wxT("Parameter contained invalid data");
 515             break;
 516
 517         case PMERR_INVALID_PARAMETERS:
 518             sError = wxT("Parameter value is out of range");
 519             break;
 520
 521         case PMERR_PARAMETER_OUT_OF_RANGE:
 522             sError = wxT("Parameter value is out of range");
 523             break;
 524
 525         case PMERR_INVALID_INTEGER_ATOM:
 526             sError = wxT("Not a valid atom");
 527             break;
 528
 529         case PMERR_INVALID_HATOMTBL:
 530             sError = wxT("Atom table handle is invalid");
 531             break;
 532
 533         case PMERR_INVALID_ATOM_NAME:
 534             sError = wxT("Not a valid atom name");
 535             break;
 536
 537         case PMERR_ATOM_NAME_NOT_FOUND:
 538             sError = wxT("Valid name format, but cannot find name in atom table");
 539             break;
 540
 541         case PMERR_INV_HPS:
 542             sError = wxT("PMERR_INV_HPS");
 543             break;
 544
 545         case PMERR_PS_BUSY:
 546             sError = wxT("PMERR_PS_BUSY");
 547             break;
 548
 549         case PMERR_INV_PRIMITIVE_TYPE:
 550             sError = wxT("PMERR_INV_PRIMITIVE_TYPE");
 551             break;
 552
 553         case PMERR_UNSUPPORTED_ATTR:
 554             sError = wxT("PMERR_UNSUPPORTED_ATTR");
 555             break;
 556
 557         case PMERR_INV_COLOR_ATTR:
 558             sError = wxT("PMERR_INV_COLOR_ATTR");
 559             break;
 560
 561         case PMERR_INV_BACKGROUND_COL_ATTR:
 562             sError = wxT("PMERR_INV_BACKGROUND_COL_ATTR");
 563             break;
 564
 565         case PMERR_INV_MIX_ATTR:
 566             sError = wxT("PMERR_INV_MIX_ATTR");
 567             break;
 568
 569         case PMERR_INV_LINE_WIDTH_ATTR:
 570             sError = wxT("PMERR_INV_LINE_WIDTH_ATTR");
 571             break;
 572
 573         case PMERR_INV_GEOM_LINE_WIDTH_ATTR:
 574             sError = wxT("PMERR_INV_GEOM_LINE_WIDTH_ATTR");
 575             break;
 576
 577         case PMERR_INV_LINE_TYPE_ATTR:
 578             sError = wxT("PMERR_INV_LINE_TYPE_ATTR");
 579             break;
 580
 581         case PMERR_INV_LINE_END_ATTR:
 582             sError = wxT("PMERR_INV_LINE_END_ATTR");
 583             break;
 584
 585         case PMERR_INV_LINE_JOIN_ATTR:
 586             sError = wxT("PMERR_INV_LINE_JOIN_ATTR");
 587             break;
 588
 589         case PMERR_INV_CHAR_SET_ATTR:
 590             sError = wxT("PMERR_INV_CHAR_SET_ATTR");
 591             break;
 592
 593         case PMERR_INV_CHAR_MODE_ATTR:
 594             sError = wxT("PMERR_INV_CHAR_MODE_ATTR");
 595             break;
 596
 597         case PMERR_INV_CHAR_DIRECTION_ATTR:
 598             sError = wxT("PMERR_INV_CHAR_DIRECTION_ATTR");
 599             break;
 600
 601         case PMERR_INV_CHAR_SHEAR_ATTR:
 602             sError = wxT("PMERR_INV_CHAR_SHEAR_ATTR");
 603             break;
 604
 605         case PMERR_INV_CHAR_ANGLE_ATTR:
 606             sError = wxT("PMERR_INV_CHAR_ANGLE_ATTR");
 607             break;
 608
 609         case PMERR_INV_MARKER_SET_ATTR:
 610             sError = wxT("PMERR_INV_MARKER_SET_ATTR");
 611             break;
 612
 613         case PMERR_INV_MARKER_SYMBOL_ATTR:
 614             sError = wxT("PMERR_INV_MARKER_SYMBOL_ATTR");
 615             break;
 616
 617         case PMERR_INV_PATTERN_SET_ATTR:
 618             sError = wxT("PMERR_INV_PATTERN_SET_ATTR");
 619             break;
 620
 621         case PMERR_INV_PATTERN_ATTR:
 622             sError = wxT("PMERR_INV_PATTERN_ATTR");
 623             break;
 624
 625         case PMERR_INV_COORDINATE:
 626             sError = wxT("PMERR_INV_COORDINATE");
 627             break;
 628
 629         case PMERR_UNSUPPORTED_ATTR_VALUE:
 630             sError = wxT("PMERR_UNSUPPORTED_ATTR_VALUE");
 631             break;
 632
 633         case PMERR_INV_PATTERN_SET_FONT:
 634             sError = wxT("PMERR_INV_PATTERN_SET_FONT");
 635             break;
 636
 637         case PMERR_HUGE_FONTS_NOT_SUPPORTED:
 638             sError = wxT("PMERR_HUGE_FONTS_NOT_SUPPORTED");
 639             break;
 640
 641         default:
 642             sError = wxT("Unknown error");
 643     }
 644     return sError;
 645 } // end of wxPMErrorToStr
 646
 647 // replacement for implementation in unix/utilsunx.cpp,
 648 // to be used by all X11 based ports.
 649 struct wxEndProcessData;
 650
 651 void wxHandleProcessTermination(wxEndProcessData *WXUNUSED(proc_data))
 652 {
 653     // For now, just do nothing. To be filled in as needed.
 654 }