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138 lines
3.4 KiB
C
138 lines
3.4 KiB
C
/*
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* COLOR.C - color internal command.
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*
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*
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* History:
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*
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* 13-Dec-1998 (Eric Kohl)
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* Started.
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*
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* 19-Jan-1999 (Eric Kohl)
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* Unicode ready!
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*
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* 20-Jan-1999 (Eric Kohl)
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* Redirection ready!
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*
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* 14-Oct-1999 (Paolo Pantaleo <paolopan@freemail.it>)
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* 4nt's syntax implemented.
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*
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* 03-Apr-2005 (Magnus Olsen <magnus@greatlord.com>)
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* Move all hardcoded strings in En.rc.
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*/
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#include "precomp.h"
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#ifdef INCLUDE_CMD_COLOR
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BOOL SetScreenColor(WORD wColor, BOOL bNoFill)
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{
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HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
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DWORD dwWritten;
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CONSOLE_SCREEN_BUFFER_INFO csbi;
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COORD coPos;
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/* Foreground and Background colors can't be the same */
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if ((wColor & 0x0F) == (wColor & 0xF0) >> 4)
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return FALSE;
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/* Fill the whole background if needed */
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if (bNoFill != TRUE)
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{
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GetConsoleScreenBufferInfo(hConsole, &csbi);
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coPos.X = 0;
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coPos.Y = 0;
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FillConsoleOutputAttribute(hConsole,
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wColor & 0x00FF,
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csbi.dwSize.X * csbi.dwSize.Y,
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coPos,
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&dwWritten);
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}
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/* Set the text attribute */
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SetConsoleTextAttribute(hConsole, wColor & 0x00FF);
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return TRUE;
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}
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/*
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* color
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*
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* internal dir command
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*/
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INT CommandColor(LPTSTR rest)
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{
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WORD wColor = 0x00;
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/* The user asked for help */
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if (_tcsncmp(rest, _T("/?"), 2) == 0)
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{
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ConOutResPaging(TRUE, STRING_COLOR_HELP1);
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return 0;
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}
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/* Let's prepare %ERRORLEVEL% */
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nErrorLevel = 0;
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/* No parameter. Set the default colors */
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if (rest[0] == _T('\0'))
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{
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SetScreenColor(wDefColor, FALSE);
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return 0;
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}
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/* The parameter is just one character: Set color text */
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if (_tcslen(rest) == 1)
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{
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if ((rest[0] >= _T('0')) && (rest[0] <= _T('9')))
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{
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wColor = (WORD)_ttoi(rest);
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}
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else if ((rest[0] >= _T('a')) && (rest[0] <= _T('f')))
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{
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wColor = (WORD)(rest[0] + 10 - _T('a'));
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}
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else if ((rest[0] >= _T('A')) && (rest[0] <= _T('F')))
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{
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wColor = (WORD)(rest[0] + 10 - _T('A'));
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}
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else /* Invalid character */
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{
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ConOutResPaging(TRUE, STRING_COLOR_HELP1);
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nErrorLevel = 1;
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return 1;
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}
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}
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/* Color string: advanced choice: two-digits, "Color ON Color" , "Foreground ON Background" */
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else if (StringToColor(&wColor, &rest) == FALSE)
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{
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/* Invalid color string */
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ConOutResPaging(TRUE, STRING_COLOR_HELP1);
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nErrorLevel = 1;
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return 1;
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}
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/* Print the chosen color if we are in echo mode (NOTE: Not Windows-compliant) */
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if ((bc && bc->bEcho) || !bc)
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{
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ConErrResPrintf(STRING_COLOR_ERROR3, wColor);
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}
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/*
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* Set the chosen color. Use also the following advanced flag:
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* /-F to avoid changing already buffered foreground/background.
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*/
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if (SetScreenColor(wColor, (_tcsstr(rest, _T("/-F")) || _tcsstr(rest, _T("/-f")))) == FALSE)
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{
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/* Failed because foreground and background colors were the same */
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ConErrResPuts(STRING_COLOR_ERROR1);
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nErrorLevel = 1;
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return 1;
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}
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/* Return success */
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return 0;
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}
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#endif /* INCLUDE_CMD_COLOR */
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/* EOF */
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