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     {
  88         ::PrfQueryProfileString( HINI_PROFILE
  89                                 ,(PSZ)WX_SECTION
  90                                 ,(PSZ)eHOSTNAME
  91                                 ,(PSZ)zDefaultHost
  92                                 ,(void*)zBuf
  93                                 ,(ULONG)nMaxSize - 1
  94                                );
  95     }
  96     else
  97     {
  98         wxStrncpy(zBuf, zSysname, nMaxSize - 1);
  99     }
 100
 101     zBuf[nMaxSize] = _T('\0');
 102 #endif
 103
 104     return *zBuf ? true : false;
 105 }
 106
 107 // Get user ID e.g. jacs
 108 bool wxGetUserId(wxChar* zBuf, int nType)
 109 {
 110 #if defined(__VISAGECPP__) || defined(__WATCOMC__)
 111     // UPM procs return 0 on success
 112     long lrc = U32ELOCU((PUCHAR)zBuf, (PULONG)&nType);
 113     if (lrc == 0) return true;
 114 #endif
 115     return false;
 116 }
 117
 118 bool wxGetUserName( wxChar* zBuf, int nMaxSize )
 119 {
 120 #ifdef USE_NET_API
 121     wxGetUserId( zBuf, nMaxSize );
 122 #else
 123     wxStrncpy(zBuf, _T("Unknown User"), nMaxSize);
 124 #endif
 125     return true;
 126 }
 127
 128 int wxKill(long         lPid,
 129            wxSignal     WXUNUSED(eSig),
 130            wxKillError* WXUNUSED(peError),
 131            int          WXUNUSED(flags))
 132 {
 133     return((int)::DosKillProcess(0, (PID)lPid));
 134 }
 135
 136 //
 137 // Execute a program in an Interactive Shell
 138 //
 139 bool wxShell( const wxString& rCommand )
 140 {
 141     wxChar*     zShell = _T("CMD.EXE");
 142     wxString    sInputs;
 143     STARTDATA   SData = {0};
 144     PSZ         PgmTitle = "Command Shell";
 145     APIRET      rc;
 146     PID         vPid = 0;
 147     ULONG       ulSessID = 0;
 148     UCHAR       achObjBuf[256] = {0}; //error data if DosStart fails
 149     RESULTCODES vResult;
 150
 151     SData.Length   = sizeof(STARTDATA);
 152     SData.Related  = SSF_RELATED_INDEPENDENT;
 153     SData.FgBg     = SSF_FGBG_FORE;
 154     SData.TraceOpt = SSF_TRACEOPT_NONE;
 155     SData.PgmTitle = PgmTitle;
 156     SData.PgmName  = (char*)zShell;
 157
 158     sInputs = _T("/C ") + rCommand;
 159     SData.PgmInputs     = (BYTE*)sInputs.c_str();
 160     SData.TermQ         = 0;
 161     SData.Environment   = 0;
 162     SData.InheritOpt    = SSF_INHERTOPT_SHELL;
 163     SData.SessionType   = SSF_TYPE_WINDOWABLEVIO;
 164     SData.IconFile      = 0;
 165     SData.PgmHandle     = 0;
 166     SData.PgmControl    = SSF_CONTROL_VISIBLE | SSF_CONTROL_MAXIMIZE;
 167     SData.InitXPos      = 30;
 168     SData.InitYPos      = 40;
 169     SData.InitXSize     = 200;
 170     SData.InitYSize     = 140;
 171     SData.Reserved      = 0;
 172     SData.ObjectBuffer  = (char*)achObjBuf;
 173     SData.ObjectBuffLen = (ULONG)sizeof(achObjBuf);
 174
 175     rc = ::DosStartSession(&SData, &ulSessID, &vPid);
 176     if (rc == 0 || rc == 457) // NO_ERROR or SMG_START_IN_BACKGROUND
 177     {
 178         PTIB                            ptib;
 179         PPIB                            ppib;
 180
 181         ::DosGetInfoBlocks(&ptib, &ppib);
 182
 183         ::DosWaitChild( DCWA_PROCESS
 184                        ,DCWW_WAIT
 185                        ,&vResult
 186                        ,&ppib->pib_ulpid
 187                        ,vPid
 188                       );
 189     }
 190     return (rc != 0);
 191 }
 192
 193 // Shutdown or reboot the PC
 194 bool wxShutdown(wxShutdownFlags WXUNUSED(wFlags))
 195 {
 196     // TODO
 197     return false;
 198 }
 199
 200 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 201 wxMemorySize wxGetFreeMemory()
 202 {
 203     void* pMemptr = NULL;
 204     LONG  lSize;
 205     ULONG lMemFlags;
 206     APIRET rc;
 207
 208     lMemFlags = PAG_FREE;
 209     rc = ::DosQueryMem(pMemptr, (PULONG)&lSize, &lMemFlags);
 210     if (rc != 0)
 211         lSize = -1L;
 212     return (wxMemorySize)lSize;
 213 }
 214
 215 // Get Process ID
 216 unsigned long wxGetProcessId()
 217 {
 218     return (unsigned long)getpid();
 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     wxUnusedVar(variable);
 260     wxUnusedVar(value);
 261     return false;
 262 #endif
 263 }
 264
 265 void wxMilliSleep(
 266   unsigned long                     ulMilliseconds
 267 )
 268 {
 269     ::DosSleep(ulMilliseconds);
 270 }
 271
 272 void wxMicroSleep(
 273   unsigned long                     ulMicroseconds
 274 )
 275 {
 276     ::DosSleep(ulMicroseconds/1000);
 277 }
 278
 279 void wxSleep(
 280   int                               nSecs
 281 )
 282 {
 283     ::DosSleep(1000 * nSecs);
 284 }
 285
 286 // Consume all events until no more left
 287 void wxFlushEvents()
 288 {
 289 //  wxYield();
 290 }
 291
 292 // Emit a beeeeeep
 293 void wxBell()
 294 {
 295     DosBeep(1000,1000); // 1kHz during 1 sec.
 296 }
 297
 298 wxString wxGetOsDescription()
 299 {
 300     wxString strVer(_T("OS/2"));
 301     ULONG ulSysInfo = 0;
 302
 303     if (::DosQuerySysInfo( QSV_VERSION_MINOR,
 304                            QSV_VERSION_MINOR,
 305                            (PVOID)&ulSysInfo,
 306                            sizeof(ULONG)
 307                          ) == 0L )
 308     {
 309         wxString ver;
 310         ver.Printf( _T(" ver. %d.%d"),
 311                     int(ulSysInfo / 10),
 312                     int(ulSysInfo % 10)
 313                   );
 314         strVer += ver;
 315     }
 316
 317     return strVer;
 318 }
 319
 320 bool wxIsPlatform64Bit()
 321 {
 322     // FIXME: No idea how to test for 64 bit processor
 323     //        (Probably irrelevant anyhow, though).
 324     return false;
 325 }
 326
 327 void wxAppTraits::InitializeGui(unsigned long &WXUNUSED(ulHab))
 328 {
 329 }
 330
 331 void wxAppTraits::TerminateGui(unsigned long WXUNUSED(ulHab))
 332 {
 333 }
 334
 335 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 336 {
 337     ULONG                 ulSysInfo = 0;
 338     APIRET                ulrc;
 339
 340     ulrc = ::DosQuerySysInfo( QSV_VERSION_MINOR,
 341                               QSV_VERSION_MINOR,
 342                               (PVOID)&ulSysInfo,
 343                               sizeof(ULONG)
 344                             );
 345
 346     if (ulrc == 0L)
 347     {
 348         if ( verMaj )
 349             *verMaj = ulSysInfo / 10;
 350         if ( verMin )
 351             *verMin = ulSysInfo % 10;
 352     }
 353
 354     return wxOS_OS2;
 355 }
 356
 357
 358 // ---------------------------------------------------------------------------
 359 const wxChar* wxGetHomeDir(
 360   wxString*                         pStr
 361 )
 362 {
 363     wxString&                       rStrDir = *pStr;
 364
 365     // OS/2 has no idea about home,
 366     // so use the working directory instead.
 367     // However, we might have a valid HOME directory,
 368     // as is used on many machines that have unix utilities
 369     // on them, so we should use that, if available.
 370
 371     // 256 was taken from os2def.h
 372 #ifndef MAX_PATH
 373 #  define MAX_PATH  256
 374 #endif
 375
 376     const wxChar *szHome = wxGetenv((wxChar*)"HOME");
 377     if ( szHome == NULL ) {
 378       // we're homeless, use current directory.
 379       rStrDir = wxT(".");
 380     }
 381     else
 382        rStrDir = szHome;
 383
 384     return rStrDir.c_str();
 385 }
 386
 387 // Hack for OS/2
 388 #if wxUSE_UNICODE
 389 const wxMB2WXbuf wxGetUserHome( const wxString &rUser )
 390 #else // just for binary compatibility -- there is no 'const' here
 391 wxChar* wxGetUserHome ( const wxString &rUser )
 392 #endif
 393 {
 394     wxChar*    zHome;
 395     wxString   sUser1(rUser);
 396
 397     wxChar *wxBuffer = new wxChar[256];
 398 #ifndef __EMX__
 399     if (!sUser1.empty())
 400     {
 401         wxChar                      zTmp[64];
 402
 403         if (wxGetUserId( zTmp
 404                         ,sizeof(zTmp)/sizeof(char)
 405                        ))
 406         {
 407             // Guests belong in the temp dir
 408             if (wxStricmp(zTmp, _T("annonymous")) == 0)
 409             {
 410                 if ((zHome = wxGetenv(_T("TMP"))) != NULL    ||
 411                     (zHome = wxGetenv(_T("TMPDIR"))) != NULL ||
 412                     (zHome = wxGetenv(_T("TEMP"))) != NULL)
 413                     delete[] wxBuffer;
 414                     return *zHome ? zHome : (wxChar*)_T("\\");
 415             }
 416             if (wxStricmp(zTmp, WXSTRINGCAST sUser1) == 0)
 417                 sUser1 = wxEmptyString;
 418         }
 419     }
 420 #endif
 421     if (sUser1.empty())
 422     {
 423         if ((zHome = wxGetenv(_T("HOME"))) != NULL)
 424         {
 425             wxStrcpy(wxBuffer, zHome);
 426             wxUnix2DosFilename(wxBuffer);
 427 #if wxUSE_UNICODE
 428             wxWCharBuffer retBuffer (wxBuffer);
 429             delete[] wxBuffer;
 430             return retBuffer;
 431 #else
 432             wxStrcpy(zHome, wxBuffer);
 433             delete[] wxBuffer;
 434             return zHome;
 435 #endif
 436         }
 437     }
 438     delete[] wxBuffer;
 439     return (wxChar*)wxEmptyString; // No home known!
 440 }
 441
 442 bool wxGetDiskSpace(const wxString& path,
 443                     wxDiskspaceSize_t *pTotal,
 444                     wxDiskspaceSize_t *pFree)
 445 {
 446     if (path.empty())
 447         return false;
 448
 449     wxFileName fn(path);
 450     FSALLOCATE fsaBuf = {0};
 451     APIRET rc = NO_ERROR;
 452     ULONG disknum = 0;
 453
 454     fn.MakeAbsolute();
 455
 456     if (wxDirExists(fn.GetFullPath()) == false)
 457         return false;
 458
 459     disknum = 1 + wxToupper(fn.GetVolume().GetChar(0)) - _T('A');
 460
 461     rc = ::DosQueryFSInfo(disknum,             // 1 = A, 2 = B, 3 = C, ...
 462                           FSIL_ALLOC,          // allocation info
 463                           (PVOID)&fsaBuf,
 464                           sizeof(FSALLOCATE));
 465
 466     if (rc != NO_ERROR)
 467         return false;
 468     else
 469     {
 470         if(pTotal)
 471         {
 472            // to try to avoid 32-bit overflow, let's not multiply right away
 473             // (num of alloc units)
 474             *pTotal = fsaBuf.cUnit;
 475             // * (num of sectors per alloc unit) * (num of bytes per sector)
 476             (*pTotal) *= fsaBuf.cSectorUnit * fsaBuf.cbSector;
 477         }
 478         if(pFree)
 479         {
 480             *pFree = fsaBuf.cUnitAvail;
 481             (*pFree) *= fsaBuf.cSectorUnit * fsaBuf.cbSector;
 482         }
 483         return true;
 484     }
 485 }
 486
 487 wxString wxPMErrorToStr(ERRORID vError)
 488 {
 489     wxString sError;
 490
 491     //
 492     // Remove the high order byte -- it is useless
 493     //
 494     vError &= 0x0000ffff;
 495     switch(vError)
 496     {
 497         case PMERR_INVALID_HWND:
 498             sError = wxT("Invalid window handle specified");
 499             break;
 500
 501         case PMERR_INVALID_FLAG:
 502             sError = wxT("Invalid flag bit set");
 503             break;
 504
 505         case PMERR_NO_MSG_QUEUE:
 506             sError = wxT("No message queue available");
 507             break;
 508
 509         case PMERR_INVALID_PARM:
 510             sError = wxT("Parameter contained invalid data");
 511             break;
 512
 513         case PMERR_INVALID_PARAMETERS:
 514             sError = wxT("Parameter value is out of range");
 515             break;
 516
 517         case PMERR_PARAMETER_OUT_OF_RANGE:
 518             sError = wxT("Parameter value is out of range");
 519             break;
 520
 521         case PMERR_INVALID_INTEGER_ATOM:
 522             sError = wxT("Not a valid atom");
 523             break;
 524
 525         case PMERR_INVALID_HATOMTBL:
 526             sError = wxT("Atom table handle is invalid");
 527             break;
 528
 529         case PMERR_INVALID_ATOM_NAME:
 530             sError = wxT("Not a valid atom name");
 531             break;
 532
 533         case PMERR_ATOM_NAME_NOT_FOUND:
 534             sError = wxT("Valid name format, but cannot find name in atom table");
 535             break;
 536
 537         case PMERR_INV_HPS:
 538             sError = wxT("PMERR_INV_HPS");
 539             break;
 540
 541         case PMERR_PS_BUSY:
 542             sError = wxT("PMERR_PS_BUSY");
 543             break;
 544
 545         case PMERR_INV_PRIMITIVE_TYPE:
 546             sError = wxT("PMERR_INV_PRIMITIVE_TYPE");
 547             break;
 548
 549         case PMERR_UNSUPPORTED_ATTR:
 550             sError = wxT("PMERR_UNSUPPORTED_ATTR");
 551             break;
 552
 553         case PMERR_INV_COLOR_ATTR:
 554             sError = wxT("PMERR_INV_COLOR_ATTR");
 555             break;
 556
 557         case PMERR_INV_BACKGROUND_COL_ATTR:
 558             sError = wxT("PMERR_INV_BACKGROUND_COL_ATTR");
 559             break;
 560
 561         case PMERR_INV_MIX_ATTR:
 562             sError = wxT("PMERR_INV_MIX_ATTR");
 563             break;
 564
 565         case PMERR_INV_LINE_WIDTH_ATTR:
 566             sError = wxT("PMERR_INV_LINE_WIDTH_ATTR");
 567             break;
 568
 569         case PMERR_INV_GEOM_LINE_WIDTH_ATTR:
 570             sError = wxT("PMERR_INV_GEOM_LINE_WIDTH_ATTR");
 571             break;
 572
 573         case PMERR_INV_LINE_TYPE_ATTR:
 574             sError = wxT("PMERR_INV_LINE_TYPE_ATTR");
 575             break;
 576
 577         case PMERR_INV_LINE_END_ATTR:
 578             sError = wxT("PMERR_INV_LINE_END_ATTR");
 579             break;
 580
 581         case PMERR_INV_LINE_JOIN_ATTR:
 582             sError = wxT("PMERR_INV_LINE_JOIN_ATTR");
 583             break;
 584
 585         case PMERR_INV_CHAR_SET_ATTR:
 586             sError = wxT("PMERR_INV_CHAR_SET_ATTR");
 587             break;
 588
 589         case PMERR_INV_CHAR_MODE_ATTR:
 590             sError = wxT("PMERR_INV_CHAR_MODE_ATTR");
 591             break;
 592
 593         case PMERR_INV_CHAR_DIRECTION_ATTR:
 594             sError = wxT("PMERR_INV_CHAR_DIRECTION_ATTR");
 595             break;
 596
 597         case PMERR_INV_CHAR_SHEAR_ATTR:
 598             sError = wxT("PMERR_INV_CHAR_SHEAR_ATTR");
 599             break;
 600
 601         case PMERR_INV_CHAR_ANGLE_ATTR:
 602             sError = wxT("PMERR_INV_CHAR_ANGLE_ATTR");
 603             break;
 604
 605         case PMERR_INV_MARKER_SET_ATTR:
 606             sError = wxT("PMERR_INV_MARKER_SET_ATTR");
 607             break;
 608
 609         case PMERR_INV_MARKER_SYMBOL_ATTR:
 610             sError = wxT("PMERR_INV_MARKER_SYMBOL_ATTR");
 611             break;
 612
 613         case PMERR_INV_PATTERN_SET_ATTR:
 614             sError = wxT("PMERR_INV_PATTERN_SET_ATTR");
 615             break;
 616
 617         case PMERR_INV_PATTERN_ATTR:
 618             sError = wxT("PMERR_INV_PATTERN_ATTR");
 619             break;
 620
 621         case PMERR_INV_COORDINATE:
 622             sError = wxT("PMERR_INV_COORDINATE");
 623             break;
 624
 625         case PMERR_UNSUPPORTED_ATTR_VALUE:
 626             sError = wxT("PMERR_UNSUPPORTED_ATTR_VALUE");
 627             break;
 628
 629         case PMERR_INV_PATTERN_SET_FONT:
 630             sError = wxT("PMERR_INV_PATTERN_SET_FONT");
 631             break;
 632
 633         case PMERR_HUGE_FONTS_NOT_SUPPORTED:
 634             sError = wxT("PMERR_HUGE_FONTS_NOT_SUPPORTED");
 635             break;
 636
 637         default:
 638             sError = wxT("Unknown error");
 639     }
 640     return sError;
 641 } // end of wxPMErrorToStr
 642
 643 // replacement for implementation in unix/utilsunx.cpp,
 644 // to be used by all X11 based ports.
 645 struct wxEndProcessData;
 646
 647 void wxHandleProcessTermination(wxEndProcessData *WXUNUSED(proc_data))
 648 {
 649     // For now, just do nothing. To be filled in as needed.
 650 }