base/shell/cmd/screen.c

   1 /*
   2  * SCREEN.C - screen internal command.
   3  *
   4  * clone from 4nt msgbox command
   5  *
   6  * 30 Aug 1999
   7  *     started - Paolo Pantaleo <paolopan@freemail.it>
   8  *
   9  *    30-Apr-2005 (Magnus Olsen <magnus@greatlord.com>)
  10  *        Remove all hardcoded strings in En.rc
  11  *
  12  */
  13
  14 #include "precomp.h"
  15
  16 #ifdef INCLUDE_CMD_SCREEN
  17
  18 INT CommandScreen(LPTSTR param)
  19 {
  20     SHORT x, y;
  21     SHORT maxx, maxy;
  22     BOOL bSkipText = FALSE;
  23
  24     if (_tcsncmp(param, _T("/?"), 2) == 0)
  25     {
  26         ConOutResPaging(TRUE,STRING_SCREEN_HELP);
  27         return 0;
  28     }
  29
  30     nErrorLevel = 0;
  31
  32     /* Retrieve the screen dimensions */
  33     GetScreenSize(&maxx, &maxy);
  34
  35     /* Get row */
  36     while (_istspace(*param))
  37         param++;
  38
  39     if (!*param)
  40     {
  41         error_req_param_missing();
  42         return 1;
  43     }
  44
  45     y = _ttoi(param);
  46     if (y < 0 || y > (maxy-1))
  47     {
  48         ConOutResPuts(STRING_SCREEN_ROW);
  49         return 1;
  50     }
  51
  52     /* Get column */
  53     if (!(param = _tcschr(param, _T(' '))))
  54     {
  55         error_req_param_missing();
  56         return 1;
  57     }
  58
  59     while (_istspace(*param))
  60         param++;
  61
  62     if (!*param)
  63     {
  64         error_req_param_missing();
  65         return 1;
  66     }
  67
  68     x = _ttoi(param);
  69     if (x < 0 || x > (maxx-1))
  70     {
  71         ConErrResPuts(STRING_SCREEN_COL);
  72         return 1;
  73     }
  74
  75     /* Get text */
  76     if (!(param = _tcschr(param, _T(' '))))
  77     {
  78         bSkipText = TRUE;
  79     }
  80     else
  81     {
  82         while (_istspace(*param))
  83             param++;
  84
  85         if (!*param)
  86             bSkipText = TRUE;
  87     }
  88
  89     bIgnoreEcho = TRUE;
  90
  91     if (bSkipText)
  92         x = 0;
  93
  94     SetCursorXY(x, y);
  95
  96     if (!bSkipText)
  97         ConOutPuts(param);
  98
  99     return 0;
 100 }
 101
 102 #endif /* INCLUDE_CMD_SCREEN */