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reactos/rosapps/mc/src/color.c
Steven Edwards e5c0c7185e Midnight Commander for Win32 
svn path=/trunk/; revision=2456
2001-12-30 10:02:14 +00:00

318 lines
8 KiB
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/* Color setup
Copyright (C) 1994 Miguel de Icaza.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <config.h>
#include "tty.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "mad.h"
#include "setup.h" /* For the externs */
#include "color.h"
#include "x.h"
/* "$Id: color.c,v 1.1 2001/12/30 09:55:26 sedwards Exp $" */
/* To avoid excessive calls to ncurses' has_colors () */
int hascolors = 0;
/* Set to force black and white display at program startup */
int disable_colors = 0;
/* Set if we are actually using colors */
int use_colors = 0;
int dialog_colors [4];
#define ELEMENTS(arr) ( sizeof(arr) / sizeof((arr)[0]) )
#ifdef HAVE_GNOME
# define CTYPE GdkColor *
void init_pair (int, CTYPE, CTYPE);
#else
# ifdef HAVE_SLANG
# define CTYPE char *
# else
# define CTYPE int
# define color_map_fg(n) (color_map[n].fg % COLORS)
# define color_map_bg(n) (color_map[n].bg % COLORS)
# endif
#endif
struct colorpair {
char *name; /* Name of the entry */
CTYPE fg; /* foreground color */
CTYPE bg; /* background color */
};
#ifndef color_map_fg
# define color_map_fg(n) color_map[n].fg
# define color_map_bg(n) color_map[n].bg
#endif
struct colorpair color_map [] = {
{ "normal=", 0, 0 }, /* normal */
{ "selected=", 0, 0 }, /* selected */
{ "marked=", 0, 0 }, /* marked */
{ "markselect=", 0, 0 }, /* marked/selected */
{ "errors=", 0, 0 }, /* errors */
{ "menu=", 0, 0 }, /* menu entry */
{ "reverse=", 0, 0 }, /* reverse */
/* Dialog colors */
{ "dnormal=", 0, 0 }, /* Dialog normal */
{ "dfocus=", 0, 0 }, /* Dialog focused */
{ "dhotnormal=", 0, 0 }, /* Dialog normal/hot */
{ "dhotfocus=", 0, 0 }, /* Dialog focused/hot */
{ "viewunderline=", 0, 0 }, /* _\b? sequence in view */
{ "menusel=", 0, 0 }, /* Menu selected color */
{ "menuhot=", 0, 0 }, /* Color for menu hotkeys */
{ "menuhotsel=", 0, 0 }, /* Menu hotkeys/selected entry */
{ "helpnormal=", 0, 0 }, /* Help normal */
{ "helpitalic=", 0, 0 }, /* Italic in help */
{ "helpbold=", 0, 0 }, /* Bold in help */
{ "helplink=", 0, 0 }, /* Not selected hyperlink */
{ "helpslink=", 0, 0 }, /* Selected hyperlink */
{ "gauge=", 0, 0 }, /* Color of the progress bar (percentage) */
{ "input=", 0, 0 },
/* Per file types colors */
{ "directory=", 0, 0 },
{ "execute=", 0, 0 },
{ "link=", 0, 0 },
{ "device=", 0, 0 },
{ "special=", 0, 0 },
{ "core=", 0, 0 },
};
struct color_table_s {
char *name;
int value;
};
struct color_table_s color_table [] = {
{ "black", COLOR_BLACK },
{ "gray", COLOR_BLACK | A_BOLD },
{ "red", COLOR_RED },
{ "brightred", COLOR_RED | A_BOLD },
{ "green", COLOR_GREEN },
{ "brightgreen", COLOR_GREEN | A_BOLD },
{ "brown", COLOR_YELLOW },
{ "yellow", COLOR_YELLOW | A_BOLD },
{ "blue", COLOR_BLUE },
{ "brightblue", COLOR_BLUE | A_BOLD },
{ "magenta", COLOR_MAGENTA },
{ "brightmagenta", COLOR_MAGENTA | A_BOLD },
{ "cyan", COLOR_CYAN },
{ "brightcyan", COLOR_CYAN | A_BOLD },
{ "lightgray", COLOR_WHITE },
{ "white", COLOR_WHITE | A_BOLD }
};
#ifdef HAVE_GNOME
void get_color (char *cpp, CTYPE *colp);
#else
# ifdef HAVE_SLANG
# define color_value(i) color_table [i].name
# define color_name(i) color_table [i].name
# else
# define color_value(i) color_table [i].value
# define color_name(i) color_table [i].name
# endif
static void get_color (char *cpp, CTYPE *colp)
{
int i;
for (i = 0; i < ELEMENTS(color_table); i++){
if (strcmp (cpp, color_name (i)) == 0){
*colp = color_value (i);
return;
}
}
}
#endif /* HAVE_GNOME */
static void get_two_colors (char **cpp, struct colorpair *colorpairp)
{
char *p = *cpp;
int state;
state = 0;
for (; *p; p++){
if (*p == ':'){
*p = 0;
get_color (*cpp, state ? &colorpairp->bg : &colorpairp->fg);
*p = ':';
*cpp = p + 1;
return;
}
if (*p == ','){
state = 1;
*p = 0;
get_color (*cpp, &colorpairp->fg);
*p = ',';
*cpp = p + 1;
}
}
get_color (*cpp, state ? &colorpairp->bg : &colorpairp->fg);
}
void configure_colors_string (char *the_color_string)
{
char *color_string, *p;
int i, found;
if (!the_color_string)
return;
p = color_string = strdup (the_color_string);
while (color_string && *color_string){
while (*color_string == ' ' || *color_string == '\t')
color_string++;
found = 0;
for (i = 0; i < ELEMENTS(color_map); i++){
int klen = strlen (color_map [i].name);
if (strncmp (color_string, color_map [i].name, klen) == 0){
color_string += klen;
get_two_colors (&color_string, &color_map [i]);
found = 1;
}
}
if (!found){
while (*color_string && *color_string != ':')
color_string++;
if (*color_string)
color_string++;
}
}
free (p);
}
static void configure_colors (void)
{
extern char *command_line_colors;
#ifndef HAVE_TK
#ifndef HAVE_XVIEW
extern char *default_edition_colors;
configure_colors_string (default_edition_colors);
#endif
#endif
configure_colors_string (setup_color_string);
configure_colors_string (term_color_string);
configure_colors_string (getenv ("MC_COLOR_TABLE"));
configure_colors_string (command_line_colors);
}
#ifndef HAVE_SLANG
#define MAX_PAIRS 30
int attr_pairs [MAX_PAIRS];
#endif
static void
load_dialog_colors (void)
{
dialog_colors [0] = COLOR_NORMAL;
dialog_colors [1] = COLOR_FOCUS;
dialog_colors [2] = COLOR_HOT_NORMAL;
dialog_colors [3] = COLOR_HOT_FOCUS;
}
#ifdef HAVE_X
void
init_colors (void)
{
int i;
use_colors = 1;
start_color ();
configure_colors ();
for (i = 0; i < ELEMENTS (color_map); i++)
init_pair (i+1, color_map_fg(i), color_map_bg(i));
load_dialog_colors ();
}
#else
void init_colors (void)
{
int i;
hascolors = has_colors ();
if (!disable_colors && hascolors){
use_colors = 1;
}
if (use_colors){
start_color ();
configure_colors ();
#ifndef HAVE_SLANG
if (ELEMENTS (color_map) > MAX_PAIRS){
/* This message should only be seen by the developers */
fprintf (stderr,
"Too many defined colors, resize MAX_PAIRS on color.c");
exit (1);
}
#endif
#if defined HAVE_SLANG && !defined(OS2_NT)
if (use_colors) { /* Hack to make COLOR_PAIR(31) be the default fg/bg
of the terminal */
char *Norm_Vid = SLtt_tgetstr ("me");
if (Norm_Vid == NULL)
Norm_Vid = SLtt_tgetstr ("se");
if (Norm_Vid == NULL)
Norm_Vid = "\033[0m";
SLtt_set_color_esc (31, Norm_Vid);
}
#endif
for (i = 0; i < ELEMENTS (color_map); i++){
init_pair (i+1, color_map_fg(i), color_map_bg(i));
#ifndef HAVE_SLANG
/*
* As a convenience, for the SVr4 curses configuration, we have
* OR'd the A_BOLD attribute to the color number. We'll need that
* later, to set the attribute with the colors.
*/
attr_pairs [i+1] = color_map [i].fg & A_BOLD;
#endif
}
}
load_dialog_colors ();
}
#endif
void toggle_color_mode (void)
{
if (hascolors)
use_colors = !use_colors;
}
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