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(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     wxUnusedVar(variable);
 261     wxUnusedVar(value);
 262     return false;
 263 #endif
 264 }
 265
 266 void wxMilliSleep(
 267   unsigned long                     ulMilliseconds
 268 )
 269 {
 270     ::DosSleep(ulMilliseconds);
 271 }
 272
 273 void wxMicroSleep(
 274   unsigned long                     ulMicroseconds
 275 )
 276 {
 277     ::DosSleep(ulMicroseconds/1000);
 278 }
 279
 280 void wxSleep(
 281   int                               nSecs
 282 )
 283 {
 284     ::DosSleep(1000 * nSecs);
 285 }
 286
 287 // Consume all events until no more left
 288 void wxFlushEvents()
 289 {
 290 //  wxYield();
 291 }
 292
 293 // Emit a beeeeeep
 294 void wxBell()
 295 {
 296     DosBeep(1000,1000); // 1kHz during 1 sec.
 297 }
 298
 299 wxString wxGetOsDescription()
 300 {
 301     wxString strVer(_T("OS/2"));
 302     ULONG ulSysInfo = 0;
 303
 304     if (::DosQuerySysInfo( QSV_VERSION_MINOR,
 305                            QSV_VERSION_MINOR,
 306                            (PVOID)&ulSysInfo,
 307                            sizeof(ULONG)
 308                          ) == 0L )
 309     {
 310         wxString ver;
 311         ver.Printf( _T(" ver. %d.%d"),
 312                     int(ulSysInfo / 10),
 313                     int(ulSysInfo % 10)
 314                   );
 315         strVer += ver;
 316     }
 317
 318     return strVer;
 319 }
 320
 321 bool wxIsPlatform64Bit()
 322 {
 323     // FIXME: No idea how to test for 64 bit processor
 324     //        (Probably irrelevant anyhow, though).
 325     return false;
 326 }
 327
 328 void wxAppTraits::InitializeGui(unsigned long &WXUNUSED(ulHab))
 329 {
 330 }
 331
 332 void wxAppTraits::TerminateGui(unsigned long WXUNUSED(ulHab))
 333 {
 334 }
 335
 336 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 337 {
 338     ULONG                 ulSysInfo = 0;
 339     APIRET                ulrc;
 340
 341     ulrc = ::DosQuerySysInfo( QSV_VERSION_MINOR,
 342                               QSV_VERSION_MINOR,
 343                               (PVOID)&ulSysInfo,
 344                               sizeof(ULONG)
 345                             );
 346
 347     if (ulrc == 0L)
 348     {
 349         if ( verMaj )
 350             *verMaj = ulSysInfo / 10;
 351         if ( verMin )
 352             *verMin = ulSysInfo % 10;
 353     }
 354
 355     return wxOS_OS2;
 356 }
 357
 358
 359 // ---------------------------------------------------------------------------
 360 const wxChar* wxGetHomeDir(
 361   wxString*                         pStr
 362 )
 363 {
 364     wxString&                       rStrDir = *pStr;
 365
 366     // OS/2 has no idea about home,
 367     // so use the working directory instead.
 368     // However, we might have a valid HOME directory,
 369     // as is used on many machines that have unix utilities
 370     // on them, so we should use that, if available.
 371
 372     // 256 was taken from os2def.h
 373 #ifndef MAX_PATH
 374 #  define MAX_PATH  256
 375 #endif
 376
 377     const wxChar *szHome = wxGetenv((wxChar*)"HOME");
 378     if ( szHome == NULL ) {
 379       // we're homeless, use current directory.
 380       rStrDir = wxT(".");
 381     }
 382     else
 383        rStrDir = szHome;
 384
 385     return rStrDir.c_str();
 386 }
 387
 388 // Hack for OS/2
 389 #if wxUSE_UNICODE
 390 const wxMB2WXbuf wxGetUserHome( const wxString &rUser )
 391 #else // just for binary compatibility -- there is no 'const' here
 392 wxChar* wxGetUserHome ( const wxString &rUser )
 393 #endif
 394 {
 395     wxChar*    zHome;
 396     wxString   sUser1(rUser);
 397
 398     wxChar *wxBuffer = new wxChar[256];
 399 #ifndef __EMX__
 400     if (!sUser1.empty())
 401     {
 402         wxChar                      zTmp[64];
 403
 404         if (wxGetUserId( zTmp
 405                         ,sizeof(zTmp)/sizeof(char)
 406                        ))
 407         {
 408             // Guests belong in the temp dir
 409             if (wxStricmp(zTmp, _T("annonymous")) == 0)
 410             {
 411                 if ((zHome = wxGetenv(_T("TMP"))) != NULL    ||
 412                     (zHome = wxGetenv(_T("TMPDIR"))) != NULL ||
 413                     (zHome = wxGetenv(_T("TEMP"))) != NULL)
 414                     delete[] wxBuffer;
 415                     return *zHome ? zHome : (wxChar*)_T("\\");
 416             }
 417             if (wxStricmp(zTmp, WXSTRINGCAST sUser1) == 0)
 418                 sUser1 = wxEmptyString;
 419         }
 420     }
 421 #endif
 422     if (sUser1.empty())
 423     {
 424         if ((zHome = wxGetenv(_T("HOME"))) != NULL)
 425         {
 426             wxStrcpy(wxBuffer, zHome);
 427             wxUnix2DosFilename(wxBuffer);
 428 #if wxUSE_UNICODE
 429             wxWCharBuffer retBuffer (wxBuffer);
 430             delete[] wxBuffer;
 431             return retBuffer;
 432 #else
 433             wxStrcpy(zHome, wxBuffer);
 434             delete[] wxBuffer;
 435             return zHome;
 436 #endif
 437         }
 438     }
 439     delete[] wxBuffer;
 440     return (wxChar*)wxEmptyString; // No home known!
 441 }
 442
 443 bool wxGetDiskSpace(const wxString& path,
 444                     wxDiskspaceSize_t *pTotal,
 445                     wxDiskspaceSize_t *pFree)
 446 {
 447     if (path.empty())
 448         return false;
 449
 450     wxFileName fn(path);
 451     FSALLOCATE fsaBuf = {0};
 452     APIRET rc = NO_ERROR;
 453     ULONG disknum = 0;
 454
 455     fn.MakeAbsolute();
 456
 457     if (wxDirExists(fn.GetFullPath()) == false)
 458         return false;
 459
 460     disknum = 1 + wxToupper(fn.GetVolume().GetChar(0)) - _T('A');
 461
 462     rc = ::DosQueryFSInfo(disknum,             // 1 = A, 2 = B, 3 = C, ...
 463                           FSIL_ALLOC,          // allocation info
 464                           (PVOID)&fsaBuf,
 465                           sizeof(FSALLOCATE));
 466
 467     if (rc != NO_ERROR)
 468         return false;
 469     else
 470     {
 471         if(pTotal)
 472         {
 473            // to try to avoid 32-bit overflow, let's not multiply right away
 474             // (num of alloc units)
 475             *pTotal = fsaBuf.cUnit;
 476             // * (num of sectors per alloc unit) * (num of bytes per sector)
 477             (*pTotal) *= fsaBuf.cSectorUnit * fsaBuf.cbSector;
 478         }
 479         if(pFree)
 480         {
 481             *pFree = fsaBuf.cUnitAvail;
 482             (*pFree) *= fsaBuf.cSectorUnit * fsaBuf.cbSector;
 483         }
 484         return true;
 485     }
 486 }
 487
 488 wxString wxPMErrorToStr(ERRORID vError)
 489 {
 490     wxString sError;
 491
 492     //
 493     // Remove the high order byte -- it is useless
 494     //
 495     vError &= 0x0000ffff;
 496     switch(vError)
 497     {
 498         case PMERR_INVALID_HWND:
 499             sError = wxT("Invalid window handle specified");
 500             break;
 501
 502         case PMERR_INVALID_FLAG:
 503             sError = wxT("Invalid flag bit set");
 504             break;
 505
 506         case PMERR_NO_MSG_QUEUE:
 507             sError = wxT("No message queue available");
 508             break;
 509
 510         case PMERR_INVALID_PARM:
 511             sError = wxT("Parameter contained invalid data");
 512             break;
 513
 514         case PMERR_INVALID_PARAMETERS:
 515             sError = wxT("Parameter value is out of range");
 516             break;
 517
 518         case PMERR_PARAMETER_OUT_OF_RANGE:
 519             sError = wxT("Parameter value is out of range");
 520             break;
 521
 522         case PMERR_INVALID_INTEGER_ATOM:
 523             sError = wxT("Not a valid atom");
 524             break;
 525
 526         case PMERR_INVALID_HATOMTBL:
 527             sError = wxT("Atom table handle is invalid");
 528             break;
 529
 530         case PMERR_INVALID_ATOM_NAME:
 531             sError = wxT("Not a valid atom name");
 532             break;
 533
 534         case PMERR_ATOM_NAME_NOT_FOUND:
 535             sError = wxT("Valid name format, but cannot find name in atom table");
 536             break;
 537
 538         case PMERR_INV_HPS:
 539             sError = wxT("PMERR_INV_HPS");
 540             break;
 541
 542         case PMERR_PS_BUSY:
 543             sError = wxT("PMERR_PS_BUSY");
 544             break;
 545
 546         case PMERR_INV_PRIMITIVE_TYPE:
 547             sError = wxT("PMERR_INV_PRIMITIVE_TYPE");
 548             break;
 549
 550         case PMERR_UNSUPPORTED_ATTR:
 551             sError = wxT("PMERR_UNSUPPORTED_ATTR");
 552             break;
 553
 554         case PMERR_INV_COLOR_ATTR:
 555             sError = wxT("PMERR_INV_COLOR_ATTR");
 556             break;
 557
 558         case PMERR_INV_BACKGROUND_COL_ATTR:
 559             sError = wxT("PMERR_INV_BACKGROUND_COL_ATTR");
 560             break;
 561
 562         case PMERR_INV_MIX_ATTR:
 563             sError = wxT("PMERR_INV_MIX_ATTR");
 564             break;
 565
 566         case PMERR_INV_LINE_WIDTH_ATTR:
 567             sError = wxT("PMERR_INV_LINE_WIDTH_ATTR");
 568             break;
 569
 570         case PMERR_INV_GEOM_LINE_WIDTH_ATTR:
 571             sError = wxT("PMERR_INV_GEOM_LINE_WIDTH_ATTR");
 572             break;
 573
 574         case PMERR_INV_LINE_TYPE_ATTR:
 575             sError = wxT("PMERR_INV_LINE_TYPE_ATTR");
 576             break;
 577
 578         case PMERR_INV_LINE_END_ATTR:
 579             sError = wxT("PMERR_INV_LINE_END_ATTR");
 580             break;
 581
 582         case PMERR_INV_LINE_JOIN_ATTR:
 583             sError = wxT("PMERR_INV_LINE_JOIN_ATTR");
 584             break;
 585
 586         case PMERR_INV_CHAR_SET_ATTR:
 587             sError = wxT("PMERR_INV_CHAR_SET_ATTR");
 588             break;
 589
 590         case PMERR_INV_CHAR_MODE_ATTR:
 591             sError = wxT("PMERR_INV_CHAR_MODE_ATTR");
 592             break;
 593
 594         case PMERR_INV_CHAR_DIRECTION_ATTR:
 595             sError = wxT("PMERR_INV_CHAR_DIRECTION_ATTR");
 596             break;
 597
 598         case PMERR_INV_CHAR_SHEAR_ATTR:
 599             sError = wxT("PMERR_INV_CHAR_SHEAR_ATTR");
 600             break;
 601
 602         case PMERR_INV_CHAR_ANGLE_ATTR:
 603             sError = wxT("PMERR_INV_CHAR_ANGLE_ATTR");
 604             break;
 605
 606         case PMERR_INV_MARKER_SET_ATTR:
 607             sError = wxT("PMERR_INV_MARKER_SET_ATTR");
 608             break;
 609
 610         case PMERR_INV_MARKER_SYMBOL_ATTR:
 611             sError = wxT("PMERR_INV_MARKER_SYMBOL_ATTR");
 612             break;
 613
 614         case PMERR_INV_PATTERN_SET_ATTR:
 615             sError = wxT("PMERR_INV_PATTERN_SET_ATTR");
 616             break;
 617
 618         case PMERR_INV_PATTERN_ATTR:
 619             sError = wxT("PMERR_INV_PATTERN_ATTR");
 620             break;
 621
 622         case PMERR_INV_COORDINATE:
 623             sError = wxT("PMERR_INV_COORDINATE");
 624             break;
 625
 626         case PMERR_UNSUPPORTED_ATTR_VALUE:
 627             sError = wxT("PMERR_UNSUPPORTED_ATTR_VALUE");
 628             break;
 629
 630         case PMERR_INV_PATTERN_SET_FONT:
 631             sError = wxT("PMERR_INV_PATTERN_SET_FONT");
 632             break;
 633
 634         case PMERR_HUGE_FONTS_NOT_SUPPORTED:
 635             sError = wxT("PMERR_HUGE_FONTS_NOT_SUPPORTED");
 636             break;
 637
 638         default:
 639             sError = wxT("Unknown error");
 640     }
 641     return sError;
 642 } // end of wxPMErrorToStr
 643
 644 // replacement for implementation in unix/utilsunx.cpp,
 645 // to be used by all X11 based ports.
 646 struct wxEndProcessData;
 647
 648 void wxHandleProcessTermination(wxEndProcessData *WXUNUSED(proc_data))
 649 {
 650     // For now, just do nothing. To be filled in as needed.
 651 }