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weechat/src/gui/gui-color.h

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/*
* Copyright (C) 2003-2021 Sébastien Helleu <flashcode@flashtux.org>
*
* This file is part of WeeChat, the extensible chat client.
*
* WeeChat 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.
*
* WeeChat 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 WeeChat. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef WEECHAT_GUI_COLOR_H
#define WEECHAT_GUI_COLOR_H
#include <regex.h>
struct t_config_option;
/*
* Color from configuration options.
*
* When changing some colors below:
* - always add to the end
* - never remove a color (mark it as obsolete if needed)
* - do not re-use an obsolete color
* - add build of color in file src/gui/curses/gui-curses-color.c,
* function gui_color_init_weechat ()
* - update the Developer's guide
*/
enum t_gui_color_enum
{
GUI_COLOR_SEPARATOR = 0,
GUI_COLOR_CHAT,
GUI_COLOR_CHAT_TIME,
GUI_COLOR_CHAT_TIME_DELIMITERS,
GUI_COLOR_CHAT_PREFIX_ERROR,
GUI_COLOR_CHAT_PREFIX_NETWORK,
GUI_COLOR_CHAT_PREFIX_ACTION,
GUI_COLOR_CHAT_PREFIX_JOIN,
GUI_COLOR_CHAT_PREFIX_QUIT,
GUI_COLOR_CHAT_PREFIX_MORE,
GUI_COLOR_CHAT_PREFIX_SUFFIX,
GUI_COLOR_CHAT_BUFFER,
GUI_COLOR_CHAT_SERVER,
GUI_COLOR_CHAT_CHANNEL,
GUI_COLOR_CHAT_NICK,
GUI_COLOR_CHAT_NICK_SELF,
GUI_COLOR_CHAT_NICK_OTHER,
/*
* following obsolete colors are kept here for compatibility
* with WeeChat <= 0.3.3
*/
GUI_COLOR_CHAT_NICK1_OBSOLETE, /* not used any more since WeeChat 0.3.4 */
GUI_COLOR_CHAT_NICK2_OBSOLETE, /* not used any more since WeeChat 0.3.4 */
GUI_COLOR_CHAT_NICK3_OBSOLETE, /* not used any more since WeeChat 0.3.4 */
GUI_COLOR_CHAT_NICK4_OBSOLETE, /* not used any more since WeeChat 0.3.4 */
GUI_COLOR_CHAT_NICK5_OBSOLETE, /* not used any more since WeeChat 0.3.4 */
GUI_COLOR_CHAT_NICK6_OBSOLETE, /* not used any more since WeeChat 0.3.4 */
GUI_COLOR_CHAT_NICK7_OBSOLETE, /* not used any more since WeeChat 0.3.4 */
GUI_COLOR_CHAT_NICK8_OBSOLETE, /* not used any more since WeeChat 0.3.4 */
GUI_COLOR_CHAT_NICK9_OBSOLETE, /* not used any more since WeeChat 0.3.4 */
GUI_COLOR_CHAT_NICK10_OBSOLETE, /* not used any more since WeeChat 0.3.4 */
GUI_COLOR_CHAT_HOST,
GUI_COLOR_CHAT_DELIMITERS,
GUI_COLOR_CHAT_HIGHLIGHT,
GUI_COLOR_CHAT_READ_MARKER,
GUI_COLOR_CHAT_TEXT_FOUND,
GUI_COLOR_CHAT_VALUE,
GUI_COLOR_CHAT_PREFIX_BUFFER,
GUI_COLOR_CHAT_TAGS,
GUI_COLOR_CHAT_INACTIVE_WINDOW,
GUI_COLOR_CHAT_INACTIVE_BUFFER,
GUI_COLOR_CHAT_PREFIX_BUFFER_INACTIVE_BUFFER,
GUI_COLOR_CHAT_NICK_OFFLINE,
GUI_COLOR_CHAT_NICK_OFFLINE_HIGHLIGHT,
GUI_COLOR_CHAT_NICK_PREFIX,
GUI_COLOR_CHAT_NICK_SUFFIX,
GUI_COLOR_EMPHASIS,
GUI_COLOR_CHAT_DAY_CHANGE,
GUI_COLOR_CHAT_VALUE_NULL,
/* number of colors */
GUI_COLOR_NUM_COLORS,
};
/* WeeChat internal color attributes (should never be in protocol messages) */
#define GUI_COLOR_COLOR_CHAR '\x19'
#define GUI_COLOR_SET_ATTR_CHAR '\x1A'
#define GUI_COLOR_REMOVE_ATTR_CHAR '\x1B'
#define GUI_COLOR_RESET_CHAR '\x1C'
#define GUI_COLOR_ATTR_BOLD_CHAR '\x01'
#define GUI_COLOR_ATTR_REVERSE_CHAR '\x02'
#define GUI_COLOR_ATTR_ITALIC_CHAR '\x03'
#define GUI_COLOR_ATTR_UNDERLINE_CHAR '\x04'
#define GUI_COLOR(color) ((gui_color[color]) ? gui_color[color]->string : "")
#define GUI_NO_COLOR "\x1C"
#define GUI_COLOR_CUSTOM_BAR_FG (gui_color_get_custom ("bar_fg"))
#define GUI_COLOR_CUSTOM_BAR_DELIM (gui_color_get_custom ("bar_delim"))
#define GUI_COLOR_CUSTOM_BAR_BG (gui_color_get_custom ("bar_bg"))
/* color codes for chat and bars */
#define GUI_COLOR_FG_CHAR 'F'
#define GUI_COLOR_BG_CHAR 'B'
#define GUI_COLOR_FG_BG_CHAR '*'
#define GUI_COLOR_EXTENDED_CHAR '@'
#define GUI_COLOR_EXTENDED_BOLD_CHAR '*'
#define GUI_COLOR_EXTENDED_REVERSE_CHAR '!'
#define GUI_COLOR_EXTENDED_ITALIC_CHAR '/'
#define GUI_COLOR_EXTENDED_UNDERLINE_CHAR '_'
#define GUI_COLOR_EXTENDED_KEEPATTR_CHAR '|'
#define GUI_COLOR_EMPHASIS_CHAR 'E'
/* color codes specific to bars */
#define GUI_COLOR_BAR_CHAR 'b'
#define GUI_COLOR_BAR_FG_CHAR 'F'
#define GUI_COLOR_BAR_DELIM_CHAR 'D'
#define GUI_COLOR_BAR_BG_CHAR 'B'
#define GUI_COLOR_BAR_START_INPUT_CHAR '_'
#define GUI_COLOR_BAR_START_INPUT_HIDDEN_CHAR '-'
#define GUI_COLOR_BAR_MOVE_CURSOR_CHAR '#'
#define GUI_COLOR_BAR_START_ITEM 'i'
#define GUI_COLOR_BAR_START_LINE_ITEM 'l'
#define GUI_COLOR_EXTENDED_FLAG 0x0100000
#define GUI_COLOR_EXTENDED_BOLD_FLAG 0x0200000
#define GUI_COLOR_EXTENDED_REVERSE_FLAG 0x0400000
#define GUI_COLOR_EXTENDED_ITALIC_FLAG 0x0800000
#define GUI_COLOR_EXTENDED_UNDERLINE_FLAG 0x1000000
#define GUI_COLOR_EXTENDED_KEEPATTR_FLAG 0x2000000
#define GUI_COLOR_EXTENDED_MASK 0x00FFFFF
#define GUI_COLOR_EXTENDED_MAX 99999
#define GUI_COLOR_REGEX_ANSI_DECODE \
"\33(" \
"([()].)|" \
"([<>])|" \
"(\\[[0-9;?]*[A-Za-z]))"
#define GUI_COLOR_BUFFER_NAME "color"
/* color structure */
struct t_gui_color
{
int foreground; /* foreground color */
int background; /* background color */
int attributes; /* attributes (bold, ..) */
char *string; /* WeeChat color: "\x19??", ?? is #color */
};
/* custom color in palette */
struct t_gui_color_palette
{
char *alias; /* alias name for this color pair */
int r, g, b; /* red/green/blue values for color */
};
/* color variables */
extern struct t_gui_color *gui_color[];
extern struct t_hashtable *gui_color_hash_palette_color;
extern struct t_hashtable *gui_color_hash_palette_alias;
extern struct t_weelist *gui_color_list_with_alias;
/* color functions */
extern const char *gui_color_from_option (struct t_config_option *option);
extern const char *gui_color_search_config (const char *color_name);
extern int gui_color_attr_get_flag (char c);
extern void gui_color_attr_build_string (int color, char *str_attr);
extern const char *gui_color_get_custom (const char *color_name);
extern int gui_color_convert_term_to_rgb (int color);
extern int gui_color_convert_rgb_to_term (int rgb, int limit);
extern int gui_color_code_size (const char *string);
extern char *gui_color_decode (const char *string, const char *replacement);
extern char *gui_color_decode_ansi (const char *string, int keep_colors);
extern char *gui_color_encode_ansi (const char *string);
extern char *gui_color_emphasize (const char *string, const char *search,
int case_sensitive, regex_t *regex);
extern void gui_color_free (struct t_gui_color *color);
extern void gui_color_palette_alloc_structs ();
extern int gui_color_palette_get_alias (const char *alias);
extern struct t_gui_color_palette *gui_color_palette_get (int number);
extern void gui_color_palette_add (int number, const char *value);
extern void gui_color_palette_remove (int number);
extern void gui_color_init ();
extern void gui_color_end ();
/* color functions (GUI dependent) */
extern int gui_color_search (const char *color_name);
extern const char *gui_color_search_index (int index);
extern int gui_color_get_extended_flags (int attrs);
extern int gui_color_assign (int *color, char const *color_name);
extern int gui_color_assign_by_diff (int *color, const char *color_name,
int diff);
extern int gui_color_get_weechat_colors_number ();
extern int gui_color_get_term_colors ();
extern int gui_color_get_term_color_pairs ();
extern const char *gui_color_get_name (int num_color);
extern void gui_color_free_vars ();
extern void gui_color_init_weechat ();
extern void gui_color_display_terminal_colors ();
extern void gui_color_info_term_colors (char *buffer, int size);
extern void gui_color_buffer_display ();
extern void gui_color_switch_colors ();
extern void gui_color_reset_pairs ();
extern void gui_color_buffer_assign ();
extern void gui_color_buffer_open ();
extern void gui_color_palette_build_aliases ();
extern struct t_gui_color_palette *gui_color_palette_new (int number,
const char *value);
extern void gui_color_palette_free (struct t_gui_color_palette *color_palette);
extern void gui_color_dump ();
#endif /* WEECHAT_GUI_COLOR_H */