subsys/system/cmd/color.c

   1 /* $Id$
   2  *
   3  *  COLOR.C - color internal command.
   4  *
   5  *
   6  *  History:
   7  *
   8  *    13-Dec-1998 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
   9  *        Started.
  10  *
  11  *    19-Jan-1999 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
  12  *        Unicode ready!
  13  *
  14  *    20-Jan-1999 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
  15  *        Redirection ready!
  16  *
  17  *    14-Oct-1999 (Paolo Pantaleo <paolopan@freemail.it>)
  18  *        4nt's syntax implemented
  19  */
  20
  21 #include "config.h"
  22
  23 #ifdef INCLUDE_CMD_COLOR
  24 #include <windows.h>
  25 #include <tchar.h>
  26 #include <string.h>
  27 #include <stdlib.h>
  28
  29 #include "cmd.h"
  30
  31 static VOID ColorHelp (VOID)
  32 {
  33                 ConOutPuts (_T(
  34                         "Sets the default foreground and background colors.\n"
  35                         "\n"
  36                         "COLOR [attr [/F]] \n\n"
  37                         "  attr        Specifies color attribute of console output\n"
  38                         "  /F          fill the console with color attribute\n"
  39                         "\n"
  40                         "There are three ways to specify the colors:"
  41                         ));
  42
  43                 ConOutPuts (_T(
  44                         "\n"
  45                         "1) [bright] name on [bright] name  (only the first three letters are required)\n"
  46                         "2) decimal on decimal\n"
  47                         "3) two hex digits\n"
  48                         "\n"
  49                         "Colors are:"
  50                         ));
  51
  52                 ConOutPuts (_T(
  53                         "dec  hex  name       dec  hex  name\n"
  54                         "0    0    Black       8   8    Gray(Bright black)\n"
  55                         "1    1    Blue        9   9    Bright Blue\n"
  56                         "2    2    Green      10   A    Bright Green\n"
  57                         "3    3    Cyan       11   B    Bright Cyan\n"
  58                         "4    4    Red        12   C    Bright Red\n"
  59                         "5    5    Magenta    13   D    Bright Magenta\n"
  60                         "6    6    Yellow     14   E    Bright Yellow\n"
  61                         "7    7    White      15   F    Bright White"));
  62 }
  63
  64
  65 VOID SetScreenColor (WORD wColor, BOOL bFill)
  66 {
  67         DWORD dwWritten;
  68         CONSOLE_SCREEN_BUFFER_INFO csbi;
  69         COORD coPos;
  70
  71         if (bFill == TRUE)
  72         {
  73                 GetConsoleScreenBufferInfo (hConsole, &csbi);
  74
  75                 coPos.X = 0;
  76                 coPos.Y = 0;
  77                 FillConsoleOutputAttribute (hConsole,
  78                                             (WORD)(wColor & 0x00FF),
  79                                             (csbi.dwSize.X)*(csbi.dwSize.Y),
  80                                             coPos,
  81                                             &dwWritten);
  82         }
  83         SetConsoleTextAttribute (hConsole, (WORD)(wColor & 0x00FF));
  84 }
  85
  86
  87 /*
  88  * color
  89  *
  90  * internal dir command
  91  */
  92 INT CommandColor (LPTSTR first, LPTSTR rest)
  93 {
  94         if (_tcsncmp (rest, _T("/?"), 2) == 0)
  95         {
  96                 ColorHelp ();
  97                 return 0;
  98         }
  99
 100         if (rest[0] == _T('\0'))
 101         {
 102                 /* set default color */
 103                 wColor = wDefColor;
 104                 SetScreenColor (wColor, TRUE);
 105                 return 0;
 106         }
 107
 108         if (StringToColor (&wColor, &rest) == FALSE)
 109         {
 110                 ConErrPuts(_T("error in color specification"));
 111                 return 1;
 112         }
 113
 114         ConErrPrintf (_T("Color %x\n"), wColor);
 115
 116         if ((wColor & 0xF) == (wColor &0xF0) >> 4)
 117         {
 118                 ConErrPuts (_T("same colors error!"));
 119                 return 1;
 120         }
 121
 122         /* set color */
 123         SetScreenColor (wColor,
 124                         (_tcsstr (rest,_T("/F")) || _tcsstr (rest,_T("/f"))));
 125
 126         return 0;
 127 }
 128
 129 #endif /* INCLUDE_CMD_COLOR */
 130
 131 /* EOF */