mc/lib/tty/color-slang.c
Slava Zanko 93dbc46e9c Reorganization of sources. Part 1.
* moved src/global.h into lib/global.h
 * moved glibcompat.[ch] from ./src/ into ./lib/
 * moved fs.h from ./src/ into ./lib/

Signed-off-by: Slava Zanko <slavazanko@gmail.com>
2010-01-26 10:30:23 +02:00

160 lines
4.7 KiB
C

/* Color setup for S_Lang screen library
Copyright (C) 1994, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
2007, 2008, 2009 Free Software Foundation, Inc.
Written by:
Andrew Borodin <aborodin@vmail.ru>, 2009.
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 of the License, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/** \file color-slang.c
* \brief Source: S-Lang-specific color setup
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h> /* size_t */
#include "lib/global.h"
#include "tty-slang.h"
#include "color.h" /* variables */
#include "color-internal.h"
#include "src/setup.h" /* color_terminal_string */
static int
has_colors (gboolean disable, gboolean force)
{
mc_tty_color_disable = disable;
if (force || (getenv ("COLORTERM") != NULL))
SLtt_Use_Ansi_Colors = 1;
if (!mc_tty_color_disable) {
const char *terminal = getenv ("TERM");
const size_t len = strlen (terminal);
char *cts = color_terminal_string;
char *s;
size_t i;
/* check color_terminal_string */
while (*cts != '\0') {
while (*cts == ' ' || *cts == '\t')
cts++;
s = cts;
i = 0;
while (*cts != '\0' && *cts != ',') {
cts++;
i++;
}
if ((i != 0) && (i == len) && (strncmp (s, terminal, i) == 0))
SLtt_Use_Ansi_Colors = 1;
if (*cts == ',')
cts++;
}
}
return SLtt_Use_Ansi_Colors;
}
static void
mc_tty_color_pair_init_special (tty_color_pair_t * mc_color_pair,
const char *fg1, const char *bg1,
const char *fg2, const char *bg2, SLtt_Char_Type mask)
{
if (SLtt_Use_Ansi_Colors != 0) {
if (!mc_tty_color_disable) {
SLtt_set_color (mc_color_pair->pair_index, (char *) "", (char *) fg1, (char *) bg1);
} else {
SLtt_set_color (mc_color_pair->pair_index, (char *) "", (char *) fg2, (char *) bg2);
}
} else {
SLtt_set_mono (mc_color_pair->pair_index, NULL, mask);
}
}
void
tty_color_init_lib (gboolean disable, gboolean force)
{
/* FIXME: if S-Lang is used, has_colors() must be called regardless
of whether we are interested in its result */
if (has_colors (disable, force) && !disable) {
use_colors = TRUE;
}
}
void
tty_color_deinit_lib (void)
{
}
void
tty_color_try_alloc_pair_lib (tty_color_pair_t * mc_color_pair)
{
const char *fg, *bg;
if (mc_color_pair->ifg <= (int) SPEC_A_REVERSE) {
switch (mc_color_pair->ifg) {
case SPEC_A_REVERSE:
mc_tty_color_pair_init_special (mc_color_pair,
"black", "white", "black", "lightgray", SLTT_REV_MASK);
break;
case SPEC_A_BOLD:
mc_tty_color_pair_init_special (mc_color_pair,
"white", "black", "white", "black", SLTT_BOLD_MASK);
break;
case SPEC_A_BOLD_REVERSE:
mc_tty_color_pair_init_special (mc_color_pair,
"white", "white",
"white", "white", SLTT_BOLD_MASK | SLTT_REV_MASK);
break;
case SPEC_A_UNDERLINE:
mc_tty_color_pair_init_special (mc_color_pair,
"white", "black", "white", "black", SLTT_ULINE_MASK);
break;
}
} else {
fg = (mc_color_pair->cfg) ? mc_color_pair->cfg : "default";
bg = (mc_color_pair->cbg) ? mc_color_pair->cbg : "default";
SLtt_set_color (mc_color_pair->pair_index, (char *) "", (char *) fg, (char *) bg);
}
}
void
tty_setcolor (int color)
{
SLsmg_set_color (color);
}
/* Set colorpair by index, don't interpret S-Lang "emulated attributes" */
void
tty_lowlevel_setcolor (int color)
{
SLsmg_set_color (color & 0x7F);
}
void
tty_set_normal_attrs (void)
{
SLsmg_normal_video ();
}