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 wxToolkitInfo & wxConsoleAppTraits::GetToolkitInfo()
 330 {
 331     static wxToolkitInfo  vInfo;
 332     ULONG                 ulSysInfo[QSV_MAX] = {0};
 333     APIRET                ulrc;
 334
 335     vInfo.name = _T("wxBase");
 336     ulrc = ::DosQuerySysInfo( 1L
 337                              ,QSV_MAX
 338                              ,(PVOID)ulSysInfo
 339                              ,sizeof(ULONG) * QSV_MAX
 340                             );
 341     if (ulrc == 0L)
 342     {
 343         vInfo.versionMajor = ulSysInfo[QSV_VERSION_MAJOR] / 10;
 344         vInfo.versionMinor = ulSysInfo[QSV_VERSION_MINOR];
 345     }
 346     vInfo.os = wxOS2_PM;
 347     return vInfo;
 348 }
 349
 350 // ---------------------------------------------------------------------------
 351 const wxChar* wxGetHomeDir(
 352   wxString*                         pStr
 353 )
 354 {
 355     wxString&                       rStrDir = *pStr;
 356
 357     // OS/2 has no idea about home,
 358     // so use the working directory instead.
 359     // However, we might have a valid HOME directory,
 360     // as is used on many machines that have unix utilities
 361     // on them, so we should use that, if available.
 362
 363     // 256 was taken from os2def.h
 364 #ifndef MAX_PATH
 365 #  define MAX_PATH  256
 366 #endif
 367
 368     const wxChar *szHome = wxGetenv((wxChar*)"HOME");
 369     if ( szHome == NULL ) {
 370       // we're homeless, use current directory.
 371       rStrDir = wxT(".");
 372     }
 373     else
 374        rStrDir = szHome;
 375
 376     return rStrDir.c_str();
 377 }
 378
 379 // Hack for OS/2
 380 #if wxUSE_UNICODE
 381 const wxMB2WXbuf wxGetUserHome( const wxString &rUser )
 382 #else // just for binary compatibility -- there is no 'const' here
 383 wxChar* wxGetUserHome ( const wxString &rUser )
 384 #endif
 385 {
 386     wxChar*    zHome;
 387     wxString   sUser1(rUser);
 388
 389     wxChar *wxBuffer = new wxChar[256];
 390 #ifndef __EMX__
 391     if (!sUser1.empty())
 392     {
 393         wxChar                      zTmp[64];
 394
 395         if (wxGetUserId( zTmp
 396                         ,sizeof(zTmp)/sizeof(char)
 397                        ))
 398         {
 399             // Guests belong in the temp dir
 400             if (wxStricmp(zTmp, _T("annonymous")) == 0)
 401             {
 402                 if ((zHome = wxGetenv(_T("TMP"))) != NULL    ||
 403                     (zHome = wxGetenv(_T("TMPDIR"))) != NULL ||
 404                     (zHome = wxGetenv(_T("TEMP"))) != NULL)
 405                     delete[] wxBuffer;
 406                     return *zHome ? zHome : (wxChar*)_T("\\");
 407             }
 408             if (wxStricmp(zTmp, WXSTRINGCAST sUser1) == 0)
 409                 sUser1 = wxEmptyString;
 410         }
 411     }
 412 #endif
 413     if (sUser1.empty())
 414     {
 415         if ((zHome = wxGetenv(_T("HOME"))) != NULL)
 416         {
 417             wxStrcpy(wxBuffer, zHome);
 418             wxUnix2DosFilename(wxBuffer);
 419 #if wxUSE_UNICODE
 420             wxWCharBuffer retBuffer (wxBuffer);
 421             delete[] wxBuffer;
 422             return retBuffer;
 423 #else
 424             wxStrcpy(zHome, wxBuffer);
 425             delete[] wxBuffer;
 426             return zHome;
 427 #endif
 428         }
 429     }
 430     delete[] wxBuffer;
 431     return (wxChar*)wxEmptyString; // No home known!
 432 }
 433
 434 wxString wxPMErrorToStr(ERRORID vError)
 435 {
 436     wxString sError;
 437
 438     //
 439     // Remove the high order byte -- it is useless
 440     //
 441     vError &= 0x0000ffff;
 442     switch(vError)
 443     {
 444         case PMERR_INVALID_HWND:
 445             sError = wxT("Invalid window handle specified");
 446             break;
 447
 448         case PMERR_INVALID_FLAG:
 449             sError = wxT("Invalid flag bit set");
 450             break;
 451
 452         case PMERR_NO_MSG_QUEUE:
 453             sError = wxT("No message queue available");
 454             break;
 455
 456         case PMERR_INVALID_PARM:
 457             sError = wxT("Parameter contained invalid data");
 458             break;
 459
 460         case PMERR_INVALID_PARAMETERS:
 461             sError = wxT("Parameter value is out of range");
 462             break;
 463
 464         case PMERR_PARAMETER_OUT_OF_RANGE:
 465             sError = wxT("Parameter value is out of range");
 466             break;
 467
 468         case PMERR_INVALID_INTEGER_ATOM:
 469             sError = wxT("Not a valid atom");
 470             break;
 471
 472         case PMERR_INVALID_HATOMTBL:
 473             sError = wxT("Atom table handle is invalid");
 474             break;
 475
 476         case PMERR_INVALID_ATOM_NAME:
 477             sError = wxT("Not a valid atom name");
 478             break;
 479
 480         case PMERR_ATOM_NAME_NOT_FOUND:
 481             sError = wxT("Valid name format, but cannot find name in atom table");
 482             break;
 483
 484         default:
 485             sError = wxT("Unknown error");
 486     }
 487     return sError;
 488 } // end of wxPMErrorToStr
 489
 490 // replacement for implementation in unix/utilsunx.cpp,
 491 // to be used by all X11 based ports.
 492 struct wxEndProcessData;
 493
 494 void wxHandleProcessTermination(wxEndProcessData *WXUNUSED(proc_data))
 495 {
 496     // For now, just do nothing. To be filled in as needed.
 497 }