nano/color.c

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/* $Id$ */
/**************************************************************************
* color.c *
* *
* Copyright (C) 1999 Chris Allegretta *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 1, or (at your option) *
* any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
**************************************************************************/
#include "config.h"
#ifdef ENABLE_COLOR
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "proto.h"
#include "nano.h"
#ifndef NANO_SMALL
#include <libintl.h>
#define _(string) gettext(string)
#else
#define _(string) (string)
#endif
void color_on(WINDOW *win, int whatever)
{
/* Temporary fallback, if the color value hasn't been set,
turn on hilighting */
if (!colors[whatever - FIRST_COLORNUM].set) {
wattron(win, A_REVERSE);
return;
}
if (colors[whatever - FIRST_COLORNUM].bold)
wattron(win, A_BOLD);
/* If the foreground color is black, we've switched fg and bg (see
the comment in colorinit_one() about this) so turn on reverse so
it looks like it's supposed to */
if (colors[whatever - FIRST_COLORNUM].fg == COLOR_BLACK)
wattron(win, A_REVERSE);
wattron(win, COLOR_PAIR(whatever));
}
void color_off(WINDOW *win, int whatever)
{
if (!colors[whatever - FIRST_COLORNUM].set) {
wattroff(win, A_REVERSE);
return;
}
wattroff(win, COLOR_PAIR(whatever));
if (colors[whatever - FIRST_COLORNUM].fg == COLOR_BLACK)
wattroff(win, A_REVERSE);
if (colors[whatever - FIRST_COLORNUM].bold)
wattroff(win, A_BOLD);
}
void colorinit_one(int colortoset, short fg, short bg, int bold)
{
colors[colortoset - FIRST_COLORNUM].fg = fg;
colors[colortoset - FIRST_COLORNUM].bg = bg;
colors[colortoset - FIRST_COLORNUM].bold = bold;
colors[colortoset - FIRST_COLORNUM].set = 1;
/* Okay, so if they want a black foreground, do a switch on the fg
and bg, because specifying black as the foreground color gives
this ugly grey color. Then in color_on we will turn A_REVERSE
which is probably what they want it to look like... */
if (fg == COLOR_BLACK)
init_pair(colortoset, bg, fg);
else
init_pair(colortoset, fg, bg);
}
int do_colorinit(void)
{
if (has_colors()) {
start_color();
/* Add in colors, if available */
#ifdef HAVE_USE_DEFAULT_COLORS
/* Use if at all possible for transparent terminals =-) */
use_default_colors();
#endif
/* Some defaults values to play with */
/* Okay I'll be nice and comment these out for the commit =)
colorinit_one(COLOR_TITLEBAR, COLOR_GREEN, COLOR_BLUE, 1);
colorinit_one(COLOR_BOTTOMBARS, COLOR_GREEN, COLOR_BLUE, 1);
colorinit_one(COLOR_STATUSBAR, COLOR_BLACK, COLOR_CYAN, 0);
colorinit_one(COLOR_TEXT, COLOR_WHITE, COLOR_BLACK, 0);
colorinit_one(COLOR_MARKER, COLOR_BLACK, COLOR_CYAN, 0);
*/
}
return 0;
}
#endif /* ENABLE_COLOR */