nano/color.c
Chris Allegretta 6df90f5787 DLR and DB fixes mega-merge
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1235 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
2002-07-19 01:08:59 +00:00

125 lines
3.8 KiB
C

/* $Id$ */
/**************************************************************************
* color.c *
* *
* Copyright (C) 1999-2002 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 2, 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"
#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"
#ifdef ENABLE_COLOR
#ifdef ENABLE_NLS
#include <libintl.h>
#define _(string) gettext(string)
#else
#define _(string) (string)
#endif
void do_colorinit(void)
{
int i;
colortype *tmpcolor = NULL, *beforenow = NULL;
int defok = 0;
if (has_colors()) {
start_color();
/* Add in colors, if available */
#ifdef HAVE_USE_DEFAULT_COLORS
if (use_default_colors() != ERR)
defok = 1;
#endif
i = 1;
for (tmpcolor = colorstrings; tmpcolor != NULL;
tmpcolor = tmpcolor->next) {
for (beforenow = colorstrings; beforenow != NULL
&& beforenow != tmpcolor &&
(beforenow->fg != tmpcolor->fg || beforenow->bg != tmpcolor->bg
|| beforenow->bright != tmpcolor->bright);
beforenow = beforenow->next)
;
if (beforenow != NULL && beforenow != tmpcolor) {
tmpcolor->pairnum = beforenow->pairnum;
continue;
}
if (defok && tmpcolor->bg == -1)
init_pair(i, tmpcolor->fg, -1);
else if (tmpcolor->bg == -1)
init_pair(i, tmpcolor->fg, COLOR_BLACK);
else /* They picked a fg and bg color */
init_pair(i, tmpcolor->fg, tmpcolor->bg);
#ifdef DEBUG
fprintf(stderr, _("Running init_pair with fg = %d and bg = %d\n"), tmpcolor->fg, tmpcolor->bg);
#endif
tmpcolor->pairnum = i;
i++;
}
}
return;
}
/* Update the color information based on the current filename */
void update_color(void)
{
syntaxtype *tmpsyntax;
colorstrings = NULL;
for (tmpsyntax = syntaxes; tmpsyntax != NULL; tmpsyntax = tmpsyntax->next) {
exttype *e;
for (e = tmpsyntax->extensions; e != NULL; e = e->next) {
regcomp(&syntaxfile_regexp, e->val, 0);
/* Set colorstrings if we matched the extension regex */
if (!regexec(&syntaxfile_regexp, filename, 1, synfilematches, 0))
colorstrings = tmpsyntax->color;
regfree(&syntaxfile_regexp);
}
}
/* if we haven't found a match, use the override string */
if (colorstrings == NULL && syntaxstr != NULL) {
for (tmpsyntax = syntaxes; tmpsyntax != NULL;
tmpsyntax = tmpsyntax->next) {
if (!strcasecmp(tmpsyntax->desc, syntaxstr))
colorstrings = tmpsyntax->color;
}
}
do_colorinit();
edit_refresh();
}
#endif /* ENABLE_COLOR */