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/app.h"
  19     #include "wx/intl.h"
  20     #include "wx/log.h"
  21 #endif  //WX_PRECOMP
  22
  23 #include "wx/os2/private.h"
  24 #include "wx/apptrait.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[QSV_MAX] = {0};
 302
 303     if (::DosQuerySysInfo( 1L,
 304                            QSV_MAX,
 305                            (PVOID)ulSysInfo,
 306                            sizeof(ULONG) * QSV_MAX
 307                          ) == 0L )
 308     {
 309         wxString ver;
 310         ver.Printf( _T(" ver. %d.%d rev. %c"),
 311                     int(ulSysInfo[QSV_VERSION_MAJOR] / 10),
 312                     int(ulSysInfo[QSV_VERSION_MINOR]),
 313                     char(ulSysInfo[QSV_VERSION_REVISION])
 314                   );
 315         strVer += ver;
 316     }
 317
 318     return strVer;
 319 }
 320
 321 void wxAppTraits::InitializeGui(unsigned long &WXUNUSED(ulHab))
 322 {
 323 }
 324
 325 void wxAppTraits::TerminateGui(unsigned long WXUNUSED(ulHab))
 326 {
 327 }
 328
 329 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 330 {
 331     static wxToolkitInfo  vInfo;
 332     ULONG                 ulSysInfo[QSV_MAX] = {0};
 333     APIRET                ulrc;
 334
 335     ulrc = ::DosQuerySysInfo( 1L
 336                              ,QSV_MAX
 337                              ,(PVOID)ulSysInfo
 338                              ,sizeof(ULONG) * QSV_MAX
 339                             );
 340
 341     if (ulrc == 0L)
 342     {
 343         if ( verMaj )
 344             *verMaj = ulSysInfo[QSV_VERSION_MAJOR] / 10;
 345         if ( verMin )
 346             *verMin = ulSysInfo[QSV_VERSION_MINOR];
 347     }
 348
 349     return wxOS_OS2;
 350 }
 351
 352
 353 // ---------------------------------------------------------------------------
 354 const wxChar* wxGetHomeDir(
 355   wxString*                         pStr
 356 )
 357 {
 358     wxString&                       rStrDir = *pStr;
 359
 360     // OS/2 has no idea about home,
 361     // so use the working directory instead.
 362     // However, we might have a valid HOME directory,
 363     // as is used on many machines that have unix utilities
 364     // on them, so we should use that, if available.
 365
 366     // 256 was taken from os2def.h
 367 #ifndef MAX_PATH
 368 #  define MAX_PATH  256
 369 #endif
 370
 371     const wxChar *szHome = wxGetenv((wxChar*)"HOME");
 372     if ( szHome == NULL ) {
 373       // we're homeless, use current directory.
 374       rStrDir = wxT(".");
 375     }
 376     else
 377        rStrDir = szHome;
 378
 379     return rStrDir.c_str();
 380 }
 381
 382 // Hack for OS/2
 383 #if wxUSE_UNICODE
 384 const wxMB2WXbuf wxGetUserHome( const wxString &rUser )
 385 #else // just for binary compatibility -- there is no 'const' here
 386 wxChar* wxGetUserHome ( const wxString &rUser )
 387 #endif
 388 {
 389     wxChar*    zHome;
 390     wxString   sUser1(rUser);
 391
 392     wxChar *wxBuffer = new wxChar[256];
 393 #ifndef __EMX__
 394     if (!sUser1.empty())
 395     {
 396         wxChar                      zTmp[64];
 397
 398         if (wxGetUserId( zTmp
 399                         ,sizeof(zTmp)/sizeof(char)
 400                        ))
 401         {
 402             // Guests belong in the temp dir
 403             if (wxStricmp(zTmp, _T("annonymous")) == 0)
 404             {
 405                 if ((zHome = wxGetenv(_T("TMP"))) != NULL    ||
 406                     (zHome = wxGetenv(_T("TMPDIR"))) != NULL ||
 407                     (zHome = wxGetenv(_T("TEMP"))) != NULL)
 408                     delete[] wxBuffer;
 409                     return *zHome ? zHome : (wxChar*)_T("\\");
 410             }
 411             if (wxStricmp(zTmp, WXSTRINGCAST sUser1) == 0)
 412                 sUser1 = wxEmptyString;
 413         }
 414     }
 415 #endif
 416     if (sUser1.empty())
 417     {
 418         if ((zHome = wxGetenv(_T("HOME"))) != NULL)
 419         {
 420             wxStrcpy(wxBuffer, zHome);
 421             wxUnix2DosFilename(wxBuffer);
 422 #if wxUSE_UNICODE
 423             wxWCharBuffer retBuffer (wxBuffer);
 424             delete[] wxBuffer;
 425             return retBuffer;
 426 #else
 427             wxStrcpy(zHome, wxBuffer);
 428             delete[] wxBuffer;
 429             return zHome;
 430 #endif
 431         }
 432     }
 433     delete[] wxBuffer;
 434     return (wxChar*)wxEmptyString; // No home known!
 435 }
 436
 437 wxString wxPMErrorToStr(ERRORID vError)
 438 {
 439     wxString sError;
 440
 441     //
 442     // Remove the high order byte -- it is useless
 443     //
 444     vError &= 0x0000ffff;
 445     switch(vError)
 446     {
 447         case PMERR_INVALID_HWND:
 448             sError = wxT("Invalid window handle specified");
 449             break;
 450
 451         case PMERR_INVALID_FLAG:
 452             sError = wxT("Invalid flag bit set");
 453             break;
 454
 455         case PMERR_NO_MSG_QUEUE:
 456             sError = wxT("No message queue available");
 457             break;
 458
 459         case PMERR_INVALID_PARM:
 460             sError = wxT("Parameter contained invalid data");
 461             break;
 462
 463         case PMERR_INVALID_PARAMETERS:
 464             sError = wxT("Parameter value is out of range");
 465             break;
 466
 467         case PMERR_PARAMETER_OUT_OF_RANGE:
 468             sError = wxT("Parameter value is out of range");
 469             break;
 470
 471         case PMERR_INVALID_INTEGER_ATOM:
 472             sError = wxT("Not a valid atom");
 473             break;
 474
 475         case PMERR_INVALID_HATOMTBL:
 476             sError = wxT("Atom table handle is invalid");
 477             break;
 478
 479         case PMERR_INVALID_ATOM_NAME:
 480             sError = wxT("Not a valid atom name");
 481             break;
 482
 483         case PMERR_ATOM_NAME_NOT_FOUND:
 484             sError = wxT("Valid name format, but cannot find name in atom table");
 485             break;
 486
 487         case PMERR_INV_HPS:
 488             sError = wxT("PMERR_INV_HPS");
 489             break;
 490
 491         case PMERR_PS_BUSY:
 492             sError = wxT("PMERR_PS_BUSY");
 493             break;
 494
 495         case PMERR_INV_PRIMITIVE_TYPE:
 496             sError = wxT("PMERR_INV_PRIMITIVE_TYPE");
 497             break;
 498
 499         case PMERR_UNSUPPORTED_ATTR:
 500             sError = wxT("PMERR_UNSUPPORTED_ATTR");
 501             break;
 502
 503         case PMERR_INV_COLOR_ATTR:
 504             sError = wxT("PMERR_INV_COLOR_ATTR");
 505             break;
 506
 507         case PMERR_INV_BACKGROUND_COL_ATTR:
 508             sError = wxT("PMERR_INV_BACKGROUND_COL_ATTR");
 509             break;
 510
 511         case PMERR_INV_MIX_ATTR:
 512             sError = wxT("PMERR_INV_MIX_ATTR");
 513             break;
 514
 515         case PMERR_INV_LINE_WIDTH_ATTR:
 516             sError = wxT("PMERR_INV_LINE_WIDTH_ATTR");
 517             break;
 518
 519         case PMERR_INV_GEOM_LINE_WIDTH_ATTR:
 520             sError = wxT("PMERR_INV_GEOM_LINE_WIDTH_ATTR");
 521             break;
 522
 523         case PMERR_INV_LINE_TYPE_ATTR:
 524             sError = wxT("PMERR_INV_LINE_TYPE_ATTR");
 525             break;
 526
 527         case PMERR_INV_LINE_END_ATTR:
 528             sError = wxT("PMERR_INV_LINE_END_ATTR");
 529             break;
 530
 531         case PMERR_INV_LINE_JOIN_ATTR:
 532             sError = wxT("PMERR_INV_LINE_JOIN_ATTR");
 533             break;
 534
 535         case PMERR_INV_CHAR_SET_ATTR:
 536             sError = wxT("PMERR_INV_CHAR_SET_ATTR");
 537             break;
 538
 539         case PMERR_INV_CHAR_MODE_ATTR:
 540             sError = wxT("PMERR_INV_CHAR_MODE_ATTR");
 541             break;
 542
 543         case PMERR_INV_CHAR_DIRECTION_ATTR:
 544             sError = wxT("PMERR_INV_CHAR_DIRECTION_ATTR");
 545             break;
 546
 547         case PMERR_INV_CHAR_SHEAR_ATTR:
 548             sError = wxT("PMERR_INV_CHAR_SHEAR_ATTR");
 549             break;
 550
 551         case PMERR_INV_CHAR_ANGLE_ATTR:
 552             sError = wxT("PMERR_INV_CHAR_ANGLE_ATTR");
 553             break;
 554
 555         case PMERR_INV_MARKER_SET_ATTR:
 556             sError = wxT("PMERR_INV_MARKER_SET_ATTR");
 557             break;
 558
 559         case PMERR_INV_MARKER_SYMBOL_ATTR:
 560             sError = wxT("PMERR_INV_MARKER_SYMBOL_ATTR");
 561             break;
 562
 563         case PMERR_INV_PATTERN_SET_ATTR:
 564             sError = wxT("PMERR_INV_PATTERN_SET_ATTR");
 565             break;
 566
 567         case PMERR_INV_PATTERN_ATTR:
 568             sError = wxT("PMERR_INV_PATTERN_ATTR");
 569             break;
 570
 571         case PMERR_INV_COORDINATE:
 572             sError = wxT("PMERR_INV_COORDINATE");
 573             break;
 574
 575         case PMERR_UNSUPPORTED_ATTR_VALUE:
 576             sError = wxT("PMERR_UNSUPPORTED_ATTR_VALUE");
 577             break;
 578
 579         case PMERR_INV_PATTERN_SET_FONT:
 580             sError = wxT("PMERR_INV_PATTERN_SET_FONT");
 581             break;
 582
 583         case PMERR_HUGE_FONTS_NOT_SUPPORTED:
 584             sError = wxT("PMERR_HUGE_FONTS_NOT_SUPPORTED");
 585             break;
 586
 587         default:
 588             sError = wxT("Unknown error");
 589     }
 590     return sError;
 591 } // end of wxPMErrorToStr
 592
 593 // replacement for implementation in unix/utilsunx.cpp,
 594 // to be used by all X11 based ports.
 595 struct wxEndProcessData;
 596
 597 void wxHandleProcessTermination(wxEndProcessData *WXUNUSED(proc_data))
 598 {
 599     // For now, just do nothing. To be filled in as needed.
 600 }