src/os2/utils.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #ifndef WX_PRECOMP
  16     #include "wx/setup.h"
  17     #include "wx/utils.h"
  18     #include "wx/app.h"
  19 #endif  //WX_PRECOMP
  20
  21 #include "wx/os2/private.h"
  22 #include "wx/intl.h"
  23 #include "wx/apptrait.h"
  24
  25 #include <ctype.h>
  26 #ifdef __EMX__
  27 #include <dirent.h>
  28 #endif
  29
  30 #include "wx/log.h"
  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 #ifndef __EMX__
  43 #include <upm.h>
  44 #include <netcons.h>
  45 #include <netbios.h>
  46 #endif
  47
  48 static const wxChar WX_SECTION[] = _T("wxWidgets");
  49 static const wxChar eHOSTNAME[]  = _T("HostName");
  50 static const wxChar eUSERID[]    = _T("UserId");
  51 static const wxChar eUSERNAME[]  = _T("UserName");
  52
  53 // For the following functions we SHOULD fill in support
  54 // for Windows-NT (which I don't know) as I assume it begin
  55 // a POSIX Unix (so claims MS) that it has some special
  56 // functions beyond those provided by WinSock
  57
  58 // Get full hostname (eg. DoDo.BSn-Germany.crg.de)
  59 bool wxGetHostName(
  60   wxChar*                           zBuf
  61 , int                               nMaxSize
  62 )
  63 {
  64 #if wxUSE_NET_API
  65     char                            zServer[256];
  66     char                            zComputer[256];
  67     unsigned long                   ulLevel = 0;
  68     unsigned char*                  zBuffer = NULL;
  69     unsigned long                   ulBuffer = 256;
  70     unsigned long*                  pulTotalAvail = NULL;
  71
  72     NetBios32GetInfo( (const unsigned char*)zServer
  73                      ,(const unsigned char*)zComputer
  74                      ,ulLevel
  75                      ,zBuffer
  76                      ,ulBuffer
  77                      ,pulTotalAvail
  78                     );
  79     strcpy(zBuf, zServer);
  80 #else
  81     wxChar*                         zSysname;
  82     const wxChar*                   zDefaultHost = _T("noname");
  83
  84     if ((zSysname = wxGetenv(_T("SYSTEM_NAME"))) == NULL)
  85     {
  86         ::PrfQueryProfileString( HINI_PROFILE
  87                                 ,(PSZ)WX_SECTION
  88                                 ,(PSZ)eHOSTNAME
  89                                 ,(PSZ)zDefaultHost
  90                                 ,(void*)zBuf
  91                                 ,(ULONG)nMaxSize - 1
  92                                );
  93     }
  94     else
  95         wxStrncpy(zBuf, zSysname, nMaxSize - 1);
  96     zBuf[nMaxSize] = _T('\0');
  97 #endif
  98     return *zBuf ? TRUE : FALSE;
  99 }
 100
 101 // Get user ID e.g. jacs
 102 bool wxGetUserId(
 103   wxChar*                           zBuf
 104 , int                               nType
 105 )
 106 {
 107 #if defined(__VISAGECPP__)
 108     long                            lrc;
 109     // UPM procs return 0 on success
 110     lrc = U32ELOCU((unsigned char*)zBuf, (unsigned long *)&nType);
 111     if (lrc == 0) return TRUE;
 112 #endif
 113     return FALSE;
 114 }
 115
 116 bool wxGetUserName(
 117   wxChar*                           zBuf
 118 , int                               nMaxSize
 119 )
 120 {
 121 #ifdef USE_NET_API
 122     wxGetUserId( zBuf
 123                 ,nMaxSize
 124                );
 125 #else
 126     wxStrncpy(zBuf, _T("Unknown User"), nMaxSize);
 127 #endif
 128     return TRUE;
 129 }
 130
 131 int wxKill(
 132   long                              lPid
 133 , wxSignal                          eSig
 134 , wxKillError*                      peError
 135 )
 136 {
 137     return((int)::DosKillProcess(0, (PID)lPid));
 138 }
 139
 140 //
 141 // Execute a program in an Interactive Shell
 142 //
 143 bool wxShell(
 144   const wxString&                   rCommand
 145 )
 146 {
 147     wxChar*                         zShell = _T("CMD.EXE");
 148     wxString                        sInputs;
 149     STARTDATA                       SData = {0};
 150     PSZ                             PgmTitle = "Command Shell";
 151     APIRET                          rc;
 152     PID                             vPid = 0;
 153     ULONG                           ulSessID = 0;
 154     UCHAR                           achObjBuf[256] = {0}; //error data if DosStart fails
 155     RESULTCODES                     vResult;
 156
 157     SData.Length   = sizeof(STARTDATA);
 158     SData.Related  = SSF_RELATED_INDEPENDENT;
 159     SData.FgBg     = SSF_FGBG_FORE;
 160     SData.TraceOpt = SSF_TRACEOPT_NONE;
 161     SData.PgmTitle = PgmTitle;
 162     SData.PgmName  = zShell;
 163
 164     sInputs = "/C " + rCommand;
 165     SData.PgmInputs     = (BYTE*)sInputs.c_str();
 166     SData.TermQ         = 0;
 167     SData.Environment   = 0;
 168     SData.InheritOpt    = SSF_INHERTOPT_SHELL;
 169     SData.SessionType   = SSF_TYPE_WINDOWABLEVIO;
 170     SData.IconFile      = 0;
 171     SData.PgmHandle     = 0;
 172     SData.PgmControl    = SSF_CONTROL_VISIBLE | SSF_CONTROL_MAXIMIZE;
 173     SData.InitXPos      = 30;
 174     SData.InitYPos      = 40;
 175     SData.InitXSize     = 200;
 176     SData.InitYSize     = 140;
 177     SData.Reserved      = 0;
 178     SData.ObjectBuffer  = (char*)achObjBuf;
 179     SData.ObjectBuffLen = (ULONG)sizeof(achObjBuf);
 180
 181     rc = ::DosStartSession(&SData, &ulSessID, &vPid);
 182     if (rc == 0 || rc == 457) // NO_ERROR or SMG_START_IN_BACKGROUND
 183     {
 184         PTIB                            ptib;
 185         PPIB                            ppib;
 186
 187         ::DosGetInfoBlocks(&ptib, &ppib);
 188
 189         ::DosWaitChild( DCWA_PROCESS
 190                        ,DCWW_WAIT
 191                        ,&vResult
 192                        ,&ppib->pib_ulpid
 193                        ,vPid
 194                       );
 195     }
 196     return (rc != 0);
 197 }
 198
 199 // Shutdown or reboot the PC
 200 bool wxShutdown(wxShutdownFlags wFlags)
 201 {
 202     // TODO
 203     return FALSE;
 204 }
 205
 206 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 207 long wxGetFreeMemory()
 208 {
 209     void*                           pMemptr = NULL;
 210     ULONG                           lSize;
 211     ULONG                           lMemFlags;
 212     APIRET                          rc;
 213
 214     lMemFlags = PAG_FREE;
 215     rc = ::DosQueryMem(pMemptr, &lSize, &lMemFlags);
 216     if (rc != 0)
 217         return -1L;
 218     return (long)lSize;
 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     return FALSE;
 260 #endif
 261 }
 262
 263 void wxMilliSleep(
 264   unsigned long                     ulMilliseconds
 265 )
 266 {
 267     ::DosSleep(ulMilliseconds);
 268 }
 269
 270 void wxMicroSleep(
 271   unsigned long                     ulMicroseconds
 272 )
 273 {
 274     ::DosSleep(ulMicroseconds/1000);
 275 }
 276
 277 void wxSleep(
 278   int                               nSecs
 279 )
 280 {
 281     ::DosSleep(1000 * nSecs);
 282 }
 283
 284 // Consume all events until no more left
 285 void wxFlushEvents()
 286 {
 287 //  wxYield();
 288 }
 289
 290 #if WXWIN_COMPATIBILITY_2_2
 291
 292 // Output a debug mess., in a system dependent fashion.
 293 void wxDebugMsg(
 294   const wxChar*                     zFmt ...
 295 )
 296 {
 297     va_list                         vAp;
 298     static wxChar                   zBuffer[512];
 299
 300     if (!wxTheApp->GetWantDebugOutput())
 301         return ;
 302     va_start(vAp, zFmt);
 303     sprintf(zBuffer, zFmt, vAp) ;
 304     va_end(vAp);
 305 }
 306
 307 // Non-fatal error: pop up message box and (possibly) continue
 308 void wxError(
 309   const wxString&                   rMsg
 310 , const wxString&                   rTitle
 311 )
 312 {
 313     wxChar *wxBuffer = new wxChar[256];
 314     wxSprintf(wxBuffer, "%s\nContinue?", WXSTRINGCAST rMsg);
 315     if (::WinMessageBox( HWND_DESKTOP
 316                         ,NULL
 317                         ,(PSZ)wxBuffer
 318                         ,(PSZ)WXSTRINGCAST rTitle
 319                         ,0
 320                         ,MB_ICONEXCLAMATION | MB_YESNO
 321                        ) == MBID_YES)
 322     delete[] wxBuffer;
 323     wxExit();
 324 }
 325
 326 // Fatal error: pop up message box and abort
 327 void wxFatalError(
 328   const wxString&                   rMsg
 329 , const wxString&                   rTitle
 330 )
 331 {
 332     unsigned long                   ulRc;
 333
 334     ulRc = ::WinMessageBox( HWND_DESKTOP
 335                            ,NULL
 336                            ,WXSTRINGCAST rMsg
 337                            ,WXSTRINGCAST rTitle
 338                            ,0
 339                            ,MB_NOICON | MB_OK
 340                           );
 341     DosExit(EXIT_PROCESS, ulRc);
 342 }
 343
 344 #endif // WXWIN_COMPATIBILITY_2_2
 345
 346 // Emit a beeeeeep
 347 void wxBell()
 348 {
 349     DosBeep(1000,1000); // 1kHz during 1 sec.
 350 }
 351
 352
 353 void wxAppTraits::InitializeGui(unsigned long &ulHab)
 354 {
 355 }
 356
 357 void wxAppTraits::TerminateGui(unsigned long ulHab)
 358 {
 359 }
 360
 361 wxToolkitInfo & wxConsoleAppTraits::GetToolkitInfo()
 362 {
 363     static wxToolkitInfo            vInfo;
 364     ULONG                           ulSysInfo[QSV_MAX] = {0};
 365     APIRET                          ulrc;
 366
 367     vInfo.name = _T("wxBase");
 368     ulrc = ::DosQuerySysInfo( 1L
 369                              ,QSV_MAX
 370                              ,(PVOID)ulSysInfo
 371                              ,sizeof(ULONG) * QSV_MAX
 372                             );
 373     if (ulrc == 0L)
 374     {
 375         vInfo.versionMajor = ulSysInfo[QSV_VERSION_MAJOR] / 10;
 376         vInfo.versionMinor = ulSysInfo[QSV_VERSION_MINOR];
 377     }
 378     vInfo.os = wxOS2_PM;
 379     return vInfo;
 380 }
 381
 382 // ---------------------------------------------------------------------------
 383 const wxChar* wxGetHomeDir(
 384   wxString*                         pStr
 385 )
 386 {
 387     wxString&                       rStrDir = *pStr;
 388
 389     // OS/2 has no idea about home,
 390     // so use the working directory instead.
 391     // However, we might have a valid HOME directory,
 392     // as is used on many machines that have unix utilities
 393     // on them, so we should use that, if available.
 394
 395     // 256 was taken from os2def.h
 396 #ifndef MAX_PATH
 397 #  define MAX_PATH  256
 398 #endif
 399
 400     const wxChar *szHome = wxGetenv("HOME");
 401     if ( szHome == NULL ) {
 402       // we're homeless, use current directory.
 403       rStrDir = wxT(".");
 404     }
 405     else
 406        rStrDir = szHome;
 407
 408     return rStrDir.c_str();
 409 }
 410
 411 // Hack for OS/2
 412 wxChar* wxGetUserHome (
 413   const wxString&                   rUser
 414 )
 415 {
 416     wxChar*                         zHome;
 417     wxString                        sUser1(rUser);
 418
 419     char *wxBuffer = new wxChar[256];
 420 #ifndef __EMX__
 421     if (sUser1 != _T(""))
 422     {
 423         wxChar                      zTmp[64];
 424
 425         if (wxGetUserId( zTmp
 426                         ,sizeof(zTmp)/sizeof(char)
 427                        ))
 428         {
 429             // Guests belong in the temp dir
 430             if (wxStricmp(zTmp, _T("annonymous")) == 0)
 431             {
 432                 if ((zHome = wxGetenv(_T("TMP"))) != NULL    ||
 433                     (zHome = wxGetenv(_T("TMPDIR"))) != NULL ||
 434                     (zHome = wxGetenv(_T("TEMP"))) != NULL)
 435                     delete[] wxBuffer;
 436                     return *zHome ? zHome : (wxChar*)_T("\\");
 437             }
 438             if (wxStricmp(zTmp, WXSTRINGCAST sUser1) == 0)
 439                 sUser1 = _T("");
 440         }
 441     }
 442 #endif
 443     if (sUser1 == _T(""))
 444     {
 445         if ((zHome = wxGetenv(_T("HOME"))) != NULL)
 446         {
 447             wxStrcpy(wxBuffer, zHome);
 448             wxUnix2DosFilename(wxBuffer);
 449             wxStrcpy(zHome, wxBuffer);
 450             delete[] wxBuffer;
 451             return zHome;
 452         }
 453     }
 454     delete[] wxBuffer;
 455     return NULL; // No home known!
 456 }
 457
 458 bool wxDirExists(
 459   const wxString&                   rDir
 460 )
 461 {
 462     return (::DosSetCurrentDir(WXSTRINGCAST rDir));
 463 }
 464
 465 wxString WXDLLEXPORT wxPMErrorToStr(
 466   ERRORID                           vError
 467 )
 468 {
 469     wxString                        sError;
 470
 471     //
 472     // Remove the high order byte -- it is useless
 473     //
 474     vError &= 0x0000ffff;
 475     switch(vError)
 476     {
 477         case PMERR_INVALID_HWND:
 478             sError = wxT("Invalid window handle specified");
 479             break;
 480
 481         case PMERR_INVALID_FLAG:
 482             sError = wxT("Invalid flag bit set");
 483             break;
 484
 485         case PMERR_NO_MSG_QUEUE:
 486             sError = wxT("No message queue available");
 487             break;
 488
 489         case PMERR_INVALID_PARM:
 490             sError = wxT("Parameter contained invalid data");
 491             break;
 492
 493         case PMERR_INVALID_PARAMETERS:
 494             sError = wxT("Parameter value is out of range");
 495             break;
 496
 497         case PMERR_PARAMETER_OUT_OF_RANGE:
 498             sError = wxT("Parameter value is out of range");
 499             break;
 500
 501         case PMERR_INVALID_INTEGER_ATOM:
 502             sError = wxT("Not a valid atom");
 503             break;
 504
 505         case PMERR_INVALID_HATOMTBL:
 506             sError = wxT("Atom table handle is invalid");
 507             break;
 508
 509         case PMERR_INVALID_ATOM_NAME:
 510             sError = wxT("Not a valid atom name");
 511             break;
 512
 513         case PMERR_ATOM_NAME_NOT_FOUND:
 514             sError = wxT("Valid name format, but cannot find name in atom table");
 515             break;
 516
 517         default:
 518             sError = wxT("Unknown error");
 519     }
 520     return(sError);
 521 } // end of wxPMErrorToStr
 522
 523 // replacement for implementation in unix/utilsunx.cpp,
 524 // to be used by all X11 based ports.
 525 struct wxEndProcessData;
 526
 527 void wxHandleProcessTermination(wxEndProcessData *proc_data)
 528 {
 529     // For now, just do nothing. To be filled in as needed.
 530 }