subsys/system/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  *
  10  */
  11
  12 #include "config.h"
  13
  14 #ifdef INCLUDE_CMD_SCREEN
  15
  16 #include <tchar.h>
  17 #include <windows.h>
  18 #include <stdlib.h>
  19 #include <ctype.h>
  20
  21 #include "cmd.h"
  22
  23
  24 INT CommandScreen (LPTSTR cmd, LPTSTR param)
  25 {
  26         SHORT x,y;
  27         BOOL bSkipText = FALSE;
  28
  29         if (_tcsncmp (param, _T("/?"), 2) == 0)
  30         {
  31                 ConOutPuts(_T(
  32                               "move cursor and optionally print text\n"
  33                               "\n"
  34                               "SCREEN row col [text]\n"
  35                               "\n"
  36                               "  row         row to wich move the cursor\n"
  37                               "  col         column to wich move the cursor"));
  38                 return 0;
  39         }
  40
  41         //get row
  42         while(_istspace(*param))
  43                 param++;
  44
  45         if(!(*param))
  46         {
  47                 error_req_param_missing ();
  48                 return 1;
  49         }
  50
  51         y = atoi(param);
  52         if (y<0 || y>(maxy-1))
  53         {
  54                 ConOutPrintf("invalid value for row");
  55                 return 1;
  56         }
  57
  58         //get col
  59         if(!(param = _tcschr(param,_T(' '))))
  60         {
  61                 error_req_param_missing ();
  62                 return 1;
  63         }
  64
  65         while(_istspace(*param))
  66                 param++;
  67
  68         if(!(*param))
  69         {
  70                 error_req_param_missing ();
  71                 return 1;
  72         }
  73
  74         x = atoi(param);
  75         if (x<0 || x>(maxx-1))
  76         {
  77                 ConErrPuts(_T("invalid value for col"));
  78                 return 1;
  79         }
  80
  81         //get text
  82         if(!(param = _tcschr(param,_T(' '))))
  83         {
  84                 bSkipText = TRUE;
  85         }
  86         else
  87         {
  88                 while(_istspace(*param))
  89                         param++;
  90
  91                 if(!(*param))
  92                 {
  93                         bSkipText = TRUE;
  94                 }
  95         }
  96
  97         bIgnoreEcho = TRUE;
  98
  99         if(bSkipText)
 100                 x=0;
 101
 102
 103         SetCursorXY(x,y);
 104
 105         if(!(bSkipText))
 106                 ConOutPuts(param);
 107
 108         return 0;
 109 }
 110
 111 #endif /* INCLUDE_CMD_SCREEN */