127 lines
3.6 KiB
C
127 lines
3.6 KiB
C
/*
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* Copyright (C) 2013 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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* You can also choose to distribute this program under the terms of
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* the Unmodified Binary Distribution Licence (as given in the file
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* COPYING.UBDL), provided that you have satisfied its requirements.
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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#include <stdio.h>
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#include <errno.h>
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#include <assert.h>
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#include <ipxe/ansiesc.h>
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#include <ipxe/ansicol.h>
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#include <config/colour.h>
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/** @file
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*
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* ANSI colours
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*
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*/
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/** ANSI colour pair definitions */
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static struct ansicol_pair ansicol_pairs[] = {
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[CPAIR_DEFAULT] = { COLOR_DEFAULT, COLOR_DEFAULT },
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[CPAIR_NORMAL] = { COLOR_NORMAL_FG, COLOR_NORMAL_BG },
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[CPAIR_SELECT] = { COLOR_SELECT_FG, COLOR_SELECT_BG },
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[CPAIR_SEPARATOR] = { COLOR_SEPARATOR_FG, COLOR_SEPARATOR_BG },
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[CPAIR_EDIT] = { COLOR_EDIT_FG, COLOR_EDIT_BG },
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[CPAIR_ALERT] = { COLOR_ALERT_FG, COLOR_ALERT_BG },
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[CPAIR_URL] = { COLOR_URL_FG, COLOR_URL_BG },
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[CPAIR_PXE] = { COLOR_PXE_FG, COLOR_PXE_BG },
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};
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/**
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* Set ANSI colour (when no colour definition support is present)
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*
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* @v colour Colour index
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* @v which Foreground/background selector
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*/
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__weak void ansicol_set ( unsigned int colour, unsigned int which ) {
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/* Colour indices are hardcoded and should never be out of range */
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assert ( colour < 10 );
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/* Set basic colour */
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printf ( CSI "%c%dm", which, colour );
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}
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/**
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* Set ANSI foreground colour
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*
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* @v colour Colour index
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*/
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static void ansicol_foreground ( unsigned int colour ) {
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ansicol_set ( colour, '3' );
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}
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/**
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* Set ANSI background colour
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*
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* @v colour Colour index
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*/
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static void ansicol_background ( unsigned int colour ) {
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ansicol_set ( colour, '4' );
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}
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/**
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* Set ANSI foreground and background colour
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*
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* @v cpair Colour pair index
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*/
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void ansicol_set_pair ( unsigned int cpair ) {
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struct ansicol_pair *pair;
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/* Colour pair indices are hardcoded and should never be out of range */
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assert ( cpair < ( sizeof ( ansicol_pairs ) /
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sizeof ( ansicol_pairs[0] ) ) );
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/* Set both foreground and background colours */
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pair = &ansicol_pairs[cpair];
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ansicol_foreground ( pair->foreground );
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ansicol_background ( pair->background );
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}
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/**
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* Define ANSI colour pair
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*
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* @v cpair Colour pair index
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* @v foreground Foreground colour index
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* @v background Background colour index
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* @ret rc Return status code
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*/
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int ansicol_define_pair ( unsigned int cpair, unsigned int foreground,
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unsigned int background ) {
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struct ansicol_pair *pair;
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/* Fail if colour index is out of range */
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if ( cpair >= ( sizeof ( ansicol_pairs ) / sizeof ( ansicol_pairs[0] )))
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return -EINVAL;
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/* Update colour pair definition */
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pair = &ansicol_pairs[cpair];
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pair->foreground = foreground;
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pair->background = background;
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DBGC ( &ansicol_pairs[0], "ANSICOL redefined colour pair %d as "
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"foreground %d background %d\n", cpair, foreground, background );
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return 0;
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}
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