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771be1a3164fb91b48ddb9eac95bfae955b37cf9
weechat/src/gui/gui-color.c
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/*
* Copyright (c) 2003-2009 by FlashCode <flashcode@flashtux.org>
* See README for License detail, AUTHORS for developers list.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
/* gui-color.c: color functions, used by all GUI */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <time.h>
#include <ctype.h>
#include "../core/weechat.h"
#include "../core/wee-config.h"
#include "../core/wee-string.h"
#include "../core/wee-utf8.h"
#include "gui-color.h"
struct t_gui_color *gui_color[GUI_COLOR_NUM_COLORS]; /* GUI colors */
/*
* gui_color_search_config_int: search a color with configuration option name
* return color found (number >= 0), -1 if not found
*/
int
gui_color_search_config_int (const char *color_name)
{
struct t_config_section *ptr_section;
struct t_config_option *ptr_option;
if (color_name)
{
ptr_section = config_file_search_section (weechat_config_file,
"color");
if (ptr_section)
{
for (ptr_option = ptr_section->options; ptr_option;
ptr_option = ptr_option->next_option)
{
if (string_strcasecmp (ptr_option->name, color_name) == 0)
return ptr_option->min;
}
}
}
/* color not found */
return -1;
}
/*
* gui_color_get_custom: get a custom color with a name (GUI dependent)
*/
const char *
gui_color_get_custom (const char *color_name)
{
int fg, bg;
static char color[20][16];
static int index_color = 0;
char *pos_comma, *str_fg, *pos_bg;
/* attribute or other color name (GUI dependent) */
index_color = (index_color + 1) % 20;
color[index_color][0] = '\0';
if (!color_name || !color_name[0])
return color[index_color];
if (string_strcasecmp (color_name, "reset") == 0)
{
snprintf (color[index_color], sizeof (color[index_color]),
"%s",
GUI_COLOR_RESET_STR);
}
else if (string_strcasecmp (color_name, "bold") == 0)
{
snprintf (color[index_color], sizeof (color[index_color]),
"%s%s",
GUI_COLOR_SET_WEECHAT_STR,
GUI_COLOR_ATTR_BOLD_STR);
}
else if (string_strcasecmp (color_name, "-bold") == 0)
{
snprintf (color[index_color], sizeof (color[index_color]),
"%s%s",
GUI_COLOR_REMOVE_WEECHAT_STR,
GUI_COLOR_ATTR_BOLD_STR);
}
else if (string_strcasecmp (color_name, "reverse") == 0)
{
snprintf (color[index_color], sizeof (color[index_color]),
"%s%s",
GUI_COLOR_SET_WEECHAT_STR,
GUI_COLOR_ATTR_REVERSE_STR);
}
else if (string_strcasecmp (color_name, "-reverse") == 0)
{
snprintf (color[index_color], sizeof (color[index_color]),
"%s%s",
GUI_COLOR_REMOVE_WEECHAT_STR,
GUI_COLOR_ATTR_REVERSE_STR);
}
else if (string_strcasecmp (color_name, "italic") == 0)
{
snprintf (color[index_color], sizeof (color[index_color]),
"%s%s",
GUI_COLOR_SET_WEECHAT_STR,
GUI_COLOR_ATTR_ITALIC_STR);
}
else if (string_strcasecmp (color_name, "-italic") == 0)
{
snprintf (color[index_color], sizeof (color[index_color]),
"%s%s",
GUI_COLOR_REMOVE_WEECHAT_STR,
GUI_COLOR_ATTR_ITALIC_STR);
}
else if (string_strcasecmp (color_name, "underline") == 0)
{
snprintf (color[index_color], sizeof (color[index_color]),
"%s%s",
GUI_COLOR_SET_WEECHAT_STR,
GUI_COLOR_ATTR_UNDERLINE_STR);
}
else if (string_strcasecmp (color_name, "-underline") == 0)
{
snprintf (color[index_color], sizeof (color[index_color]),
"%s%s",
GUI_COLOR_REMOVE_WEECHAT_STR,
GUI_COLOR_ATTR_UNDERLINE_STR);
}
else if (string_strcasecmp (color_name, "bar_fg") == 0)
{
snprintf (color[index_color], sizeof (color[index_color]),
"%c%c%c",
GUI_COLOR_COLOR_CHAR,
GUI_COLOR_BAR_CHAR,
GUI_COLOR_BAR_FG_CHAR);
}
else if (string_strcasecmp (color_name, "bar_delim") == 0)
{
snprintf (color[index_color], sizeof (color[index_color]),
"%c%c%c",
GUI_COLOR_COLOR_CHAR,
GUI_COLOR_BAR_CHAR,
GUI_COLOR_BAR_DELIM_CHAR);
}
else if (string_strcasecmp (color_name, "bar_bg") == 0)
{
snprintf (color[index_color], sizeof (color[index_color]),
"%c%c%c",
GUI_COLOR_COLOR_CHAR,
GUI_COLOR_BAR_CHAR,
GUI_COLOR_BAR_BG_CHAR);
}
else
{
/* custom color name (GUI dependent) */
pos_comma = strchr (color_name, ',');
if (pos_comma)
{
if (pos_comma == color_name)
str_fg = NULL;
else
str_fg = string_strndup (color_name, pos_comma - color_name);
pos_bg = pos_comma + 1;
}
else
{
str_fg = strdup (color_name);
pos_bg = NULL;
}
if (str_fg && pos_bg)
{
fg = gui_color_search (str_fg);
bg = gui_color_search (pos_bg);
snprintf (color[index_color], sizeof (color[index_color]),
"%s*%02d,%02d",
GUI_COLOR_COLOR_STR, fg, bg);
}
else if (str_fg && !pos_bg)
{
fg = gui_color_search (str_fg);
snprintf (color[index_color], sizeof (color[index_color]),
"%sF%02d",
GUI_COLOR_COLOR_STR, fg);
}
else if (!str_fg && pos_bg)
{
bg = gui_color_search (pos_bg);
snprintf (color[index_color], sizeof (color[index_color]),
"%sB%02d",
GUI_COLOR_COLOR_STR, bg);
}
if (str_fg)
free (str_fg);
}
return color[index_color];
}
/*
* gui_color_decode: parses a message and remove WeeChat color codes
* if replacement is not NULL and not empty, it is used to
* replace color codes by first char of replacement (and
* next chars in string are NOT removed)
* if replacement is NULL or empty, color codes are removed,
* with following chars if they are related to color code
* After use, string returned has to be free()
*/
char *
gui_color_decode (const char *string, const char *replacement)
{
const unsigned char *ptr_string;
unsigned char *out;
int out_length, out_pos, length;
if (!string)
return NULL;
out_length = (strlen ((char *)string) * 2) + 1;
out = malloc (out_length);
if (!out)
return NULL;
ptr_string = (unsigned char *)string;
out_pos = 0;
while (ptr_string && ptr_string[0] && (out_pos < out_length - 1))
{
switch (ptr_string[0])
{
case GUI_COLOR_COLOR_CHAR:
ptr_string++;
if (replacement && replacement[0])
{
out[out_pos] = replacement[0];
out_pos++;
}
else
{
switch (ptr_string[0])
{
case GUI_COLOR_FG_CHAR:
case GUI_COLOR_BG_CHAR:
if (ptr_string[1] && ptr_string[2])
ptr_string += 3;
break;
case GUI_COLOR_FG_BG_CHAR:
if (ptr_string[1] && ptr_string[2] && (ptr_string[3] == ',')
&& ptr_string[4] && ptr_string[5])
ptr_string += 6;
break;
case GUI_COLOR_BAR_CHAR:
ptr_string++;
switch (ptr_string[0])
{
case GUI_COLOR_BAR_FG_CHAR:
case GUI_COLOR_BAR_BG_CHAR:
case GUI_COLOR_BAR_DELIM_CHAR:
case GUI_COLOR_BAR_START_INPUT_CHAR:
case GUI_COLOR_BAR_MOVE_CURSOR_CHAR:
ptr_string++;
break;
}
break;
default:
if (isdigit (ptr_string[0]) && isdigit (ptr_string[1]))
ptr_string += 2;
break;
}
}
break;
case GUI_COLOR_SET_WEECHAT_CHAR:
case GUI_COLOR_REMOVE_WEECHAT_CHAR:
ptr_string++;
if (replacement && replacement[0])
{
out[out_pos] = replacement[0];
out_pos++;
}
else
{
if (ptr_string[0])
ptr_string++;
}
break;
case GUI_COLOR_RESET_CHAR:
ptr_string++;
if (replacement && replacement[0])
{
out[out_pos] = replacement[0];
out_pos++;
}
break;
default:
length = utf8_char_size ((char *)ptr_string);
if (length == 0)
length = 1;
memcpy (out + out_pos, ptr_string, length);
out_pos += length;
ptr_string += length;
break;
}
}
out[out_pos] = '\0';
return (char *)out;
}
/*
* gui_color_free: free a color
*/
void
gui_color_free (struct t_gui_color *color)
{
if (color)
{
if (color->string)
free (color->string);
free (color);
}
}
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