Replace the 10 nick color options and number of nick colors by a single option "weechat.color.chat_nick_colors" (comma separated list of colors)

9 files changed, 123 insertions, 116 deletions

diff --git a/src/core/wee-config.c b/src/core/wee-config.c
index 719cf21dd..5efd720f6 100644
--- a/src/core/wee-config.c
+++ b/src/core/wee-config.c
@@ -78,7 +78,6 @@ struct t_config_option *config_startup_display_version;
 struct t_config_option *config_look_align_end_of_lines;
 struct t_config_option *config_look_buffer_notify_default;
 struct t_config_option *config_look_buffer_time_format;
-struct t_config_option *config_look_color_nicks_number;
 struct t_config_option *config_look_color_real_white;
 struct t_config_option *config_look_command_chars;
 struct t_config_option *config_look_confirm_quit;
@@ -138,9 +137,9 @@ struct t_config_option *config_color_chat_buffer;
 struct t_config_option *config_color_chat_server;
 struct t_config_option *config_color_chat_channel;
 struct t_config_option *config_color_chat_nick;
+struct t_config_option *config_color_chat_nick_colors;
 struct t_config_option *config_color_chat_nick_self;
 struct t_config_option *config_color_chat_nick_other;
-struct t_config_option *config_color_chat_nick_colors[GUI_COLOR_NICK_NUMBER];
 struct t_config_option *config_color_chat_host;
 struct t_config_option *config_color_chat_delimiters;
 struct t_config_option *config_color_chat_highlight;
@@ -1456,11 +1455,6 @@ config_weechat_init_options ()
            "\"${color}\", for example french time: "
            "\"${lightblue}%H${white}%M${lightred}%S\""),
         NULL, 0, 0, "%H:%M:%S", NULL, 0, NULL, NULL, &config_change_buffer_time_format, NULL, NULL, NULL);
-    config_look_color_nicks_number = config_file_new_option (
-        weechat_config_file, ptr_section,
-        "color_nicks_number", "integer",
-        N_("number of colors to use for nicks colors"),
-        NULL, 1, 10, "10", NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL);
     config_look_color_real_white = config_file_new_option (
         weechat_config_file, ptr_section,
         "color_real_white", "boolean",
@@ -1869,6 +1863,13 @@ config_weechat_init_options ()
         N_("text color for nicks in chat window"),
         NULL, GUI_COLOR_CHAT_NICK, 0, "lightcyan", NULL, 0,
         NULL, NULL, &config_change_color, NULL, NULL, NULL);
+    config_color_chat_nick_colors = config_file_new_option (
+        weechat_config_file, ptr_section,
+        "chat_nick_colors", "string",
+        N_("text color for nicks (comma separated list of colors)"),
+        NULL, 0, 0, "cyan,magenta,green,brown,lightblue,default,lightcyan,"
+        "lightmagenta,lightgreen,blue", NULL, 0,
+        NULL, NULL, NULL, NULL, NULL, NULL);
     config_color_chat_nick_self = config_file_new_option (
         weechat_config_file, ptr_section,
         "chat_nick_self", "color",
@@ -1881,66 +1882,6 @@ config_weechat_init_options ()
         N_("text color for other nick in private buffer"),
         NULL, GUI_COLOR_CHAT_NICK_OTHER, 0, "cyan", NULL, 0,
         NULL, NULL, &config_change_color, NULL, NULL, NULL);
-    config_color_chat_nick_colors[0] = config_file_new_option (
-        weechat_config_file, ptr_section,
-        "chat_nick_color01", "color",
-        N_("text color #1 for nick"),
-        NULL, GUI_COLOR_CHAT_NICK1, 0, "cyan", NULL, 0,
-        NULL, NULL, &config_change_color, NULL, NULL, NULL);
-    config_color_chat_nick_colors[1] = config_file_new_option (
-        weechat_config_file, ptr_section,
-        "chat_nick_color02", "color",
-        N_("text color #2 for nick"),
-        NULL, GUI_COLOR_CHAT_NICK2, 0, "magenta", NULL, 0,
-        NULL, NULL, &config_change_color, NULL, NULL, NULL);
-    config_color_chat_nick_colors[2] = config_file_new_option (
-        weechat_config_file, ptr_section,
-        "chat_nick_color03", "color",
-        N_("text color #3 for nick"),
-        NULL, GUI_COLOR_CHAT_NICK3, 0, "green", NULL, 0,
-        NULL, NULL, &config_change_color, NULL, NULL, NULL);
-    config_color_chat_nick_colors[3] = config_file_new_option (
-        weechat_config_file, ptr_section,
-        "chat_nick_color04", "color",
-        N_("text color #4 for nick"),
-        NULL, GUI_COLOR_CHAT_NICK4, 0, "brown", NULL, 0,
-        NULL, NULL, &config_change_color, NULL, NULL, NULL);
-    config_color_chat_nick_colors[4] = config_file_new_option (
-        weechat_config_file, ptr_section,
-        "chat_nick_color05", "color",
-        N_("text color #5 for nick"),
-        NULL, GUI_COLOR_CHAT_NICK5, 0, "lightblue", NULL, 0,
-        NULL, NULL, &config_change_color, NULL, NULL, NULL);
-    config_color_chat_nick_colors[5] = config_file_new_option (
-        weechat_config_file, ptr_section,
-        "chat_nick_color06", "color",
-        N_("text color #6 for nick"),
-        NULL, GUI_COLOR_CHAT_NICK6, 0, "default", NULL, 0,
-        NULL, NULL, &config_change_color, NULL, NULL, NULL);
-    config_color_chat_nick_colors[6] = config_file_new_option (
-        weechat_config_file, ptr_section,
-        "chat_nick_color07", "color",
-        N_("text color #7 for nick"),
-        NULL, GUI_COLOR_CHAT_NICK7, 0, "lightcyan", NULL, 0,
-        NULL, NULL, &config_change_color, NULL, NULL, NULL);
-    config_color_chat_nick_colors[7] = config_file_new_option (
-        weechat_config_file, ptr_section,
-        "chat_nick_color08", "color",
-        N_("text color #8 for nick"),
-        NULL, GUI_COLOR_CHAT_NICK8, 0, "lightmagenta", NULL, 0,
-        NULL, NULL, &config_change_color, NULL, NULL, NULL);
-    config_color_chat_nick_colors[8] = config_file_new_option (
-        weechat_config_file, ptr_section,
-        "chat_nick_color09", "color",
-        N_("text color #9 for nick"),
-        NULL, GUI_COLOR_CHAT_NICK9, 0, "lightgreen", NULL, 0,
-        NULL, NULL, &config_change_color, NULL, NULL, NULL);
-    config_color_chat_nick_colors[9] = config_file_new_option (
-        weechat_config_file, ptr_section,
-        "chat_nick_color10", "color",
-        N_("text color #10 for nick"),
-        NULL, GUI_COLOR_CHAT_NICK10, 0, "blue", NULL, 0,
-        NULL, NULL, &config_change_color, NULL, NULL, NULL);
     config_color_chat_host = config_file_new_option (
         weechat_config_file, ptr_section,
         "chat_host", "color",
diff --git a/src/core/wee-config.h b/src/core/wee-config.h
index 659f0910f..94a053dab 100644
--- a/src/core/wee-config.h
+++ b/src/core/wee-config.h
@@ -109,7 +109,6 @@ extern struct t_config_option *config_look_buffer_notify_default;
 extern struct t_config_option *config_look_buffer_time_format;
 extern struct t_config_option *config_look_command_chars;
 extern struct t_config_option *config_look_confirm_quit;
-extern struct t_config_option *config_look_color_nicks_number;
 extern struct t_config_option *config_look_color_real_white;
 extern struct t_config_option *config_look_day_change;
 extern struct t_config_option *config_look_day_change_time_format;
@@ -165,9 +164,9 @@ extern struct t_config_option *config_color_chat_buffer;
 extern struct t_config_option *config_color_chat_server;
 extern struct t_config_option *config_color_chat_channel;
 extern struct t_config_option *config_color_chat_nick;
+extern struct t_config_option *config_color_chat_nick_colors;
 extern struct t_config_option *config_color_chat_nick_self;
 extern struct t_config_option *config_color_chat_nick_other;
-extern struct t_config_option *config_color_chat_nick_colors[];
 extern struct t_config_option *config_color_chat_host;
 extern struct t_config_option *config_color_chat_delimiters;
 extern struct t_config_option *config_color_chat_highlight;
diff --git a/src/gui/curses/gui-curses-color.c b/src/gui/curses/gui-curses-color.c
index fd66f6816..2f44518ef 100644
--- a/src/gui/curses/gui-curses-color.c
+++ b/src/gui/curses/gui-curses-color.c
@@ -225,6 +225,11 @@ gui_color_get_name (int num_color)
 void
 gui_color_build (int number, int foreground, int background)
 {
+    if (foreground < 0)
+        foreground = 0;
+    if (background < 0)
+        background = 0;
+    
     if (!gui_color[number])
     {
         gui_color[number] = malloc (sizeof (*gui_color[number]));
@@ -370,8 +375,6 @@ gui_color_init_pairs ()
 void
 gui_color_init_weechat ()
 {
-    int i;
-    
     gui_color_build (GUI_COLOR_SEPARATOR, CONFIG_COLOR(config_color_separator), CONFIG_COLOR(config_color_chat_bg));
     
     gui_color_build (GUI_COLOR_CHAT, CONFIG_COLOR(config_color_chat), CONFIG_COLOR(config_color_chat_bg));
@@ -390,10 +393,6 @@ gui_color_init_weechat ()
     gui_color_build (GUI_COLOR_CHAT_NICK, CONFIG_COLOR(config_color_chat_nick), CONFIG_COLOR(config_color_chat_bg));
     gui_color_build (GUI_COLOR_CHAT_NICK_SELF, CONFIG_COLOR(config_color_chat_nick_self), CONFIG_COLOR(config_color_chat_bg));
     gui_color_build (GUI_COLOR_CHAT_NICK_OTHER, CONFIG_COLOR(config_color_chat_nick_other), CONFIG_COLOR(config_color_chat_bg));
-    for (i = 0; i < GUI_COLOR_NICK_NUMBER; i++)
-    {
-        gui_color_build (GUI_COLOR_CHAT_NICK1 + i, CONFIG_COLOR(config_color_chat_nick_colors[i]), CONFIG_COLOR(config_color_chat_bg));
-    }
     gui_color_build (GUI_COLOR_CHAT_HOST, CONFIG_COLOR(config_color_chat_host), CONFIG_COLOR(config_color_chat_bg));
     gui_color_build (GUI_COLOR_CHAT_DELIMITERS, CONFIG_COLOR(config_color_chat_delimiters), CONFIG_COLOR(config_color_chat_bg));
     gui_color_build (GUI_COLOR_CHAT_HIGHLIGHT, CONFIG_COLOR(config_color_chat_highlight), CONFIG_COLOR(config_color_chat_highlight_bg));
@@ -401,6 +400,23 @@ gui_color_init_weechat ()
     gui_color_build (GUI_COLOR_CHAT_TEXT_FOUND, CONFIG_COLOR(config_color_chat_text_found), CONFIG_COLOR(config_color_chat_text_found_bg));
     gui_color_build (GUI_COLOR_CHAT_VALUE, CONFIG_COLOR(config_color_chat_value), CONFIG_COLOR(config_color_chat_bg));
     gui_color_build (GUI_COLOR_CHAT_PREFIX_BUFFER, CONFIG_COLOR(config_color_chat_prefix_buffer), CONFIG_COLOR(config_color_chat_bg));
+    
+    /*
+     * define old nick colors for compatibility on /upgrade with previous
+     * versions: these colors have been removed in version 0.3.4 and replaced
+     * by new option "weechat.color.chat_nick_colors", which is a list of
+     * colors (without limit on number of colors)
+     */
+    gui_color_build (GUI_COLOR_CHAT_NICK1_OBSOLETE,  gui_color_search ("cyan"), CONFIG_COLOR(config_color_chat_bg));
+    gui_color_build (GUI_COLOR_CHAT_NICK2_OBSOLETE,  gui_color_search ("magenta"), CONFIG_COLOR(config_color_chat_bg));
+    gui_color_build (GUI_COLOR_CHAT_NICK3_OBSOLETE,  gui_color_search ("green"), CONFIG_COLOR(config_color_chat_bg));
+    gui_color_build (GUI_COLOR_CHAT_NICK4_OBSOLETE,  gui_color_search ("brown"), CONFIG_COLOR(config_color_chat_bg));
+    gui_color_build (GUI_COLOR_CHAT_NICK5_OBSOLETE,  gui_color_search ("lightblue"), CONFIG_COLOR(config_color_chat_bg));
+    gui_color_build (GUI_COLOR_CHAT_NICK6_OBSOLETE,  gui_color_search ("default"), CONFIG_COLOR(config_color_chat_bg));
+    gui_color_build (GUI_COLOR_CHAT_NICK7_OBSOLETE,  gui_color_search ("lightcyan"), CONFIG_COLOR(config_color_chat_bg));
+    gui_color_build (GUI_COLOR_CHAT_NICK8_OBSOLETE,  gui_color_search ("lightmagenta"), CONFIG_COLOR(config_color_chat_bg));
+    gui_color_build (GUI_COLOR_CHAT_NICK9_OBSOLETE,  gui_color_search ("lightgreen"), CONFIG_COLOR(config_color_chat_bg));
+    gui_color_build (GUI_COLOR_CHAT_NICK10_OBSOLETE, gui_color_search ("blue"), CONFIG_COLOR(config_color_chat_bg));
 }
 
 /*
diff --git a/src/gui/gui-color.h b/src/gui/gui-color.h
index a9262d782..853fcd79d 100644
--- a/src/gui/gui-color.h
+++ b/src/gui/gui-color.h
@@ -20,8 +20,6 @@
 #ifndef __WEECHAT_GUI_COLOR_H
 #define __WEECHAT_GUI_COLOR_H 1
 
-#define GUI_COLOR_NICK_NUMBER 10
-
 enum t_gui_color_enum
 {
     GUI_COLOR_SEPARATOR = 0,
@@ -42,16 +40,20 @@ enum t_gui_color_enum
     GUI_COLOR_CHAT_NICK,
     GUI_COLOR_CHAT_NICK_SELF,
     GUI_COLOR_CHAT_NICK_OTHER,
-    GUI_COLOR_CHAT_NICK1,
-    GUI_COLOR_CHAT_NICK2,
-    GUI_COLOR_CHAT_NICK3,
-    GUI_COLOR_CHAT_NICK4,
-    GUI_COLOR_CHAT_NICK5,
-    GUI_COLOR_CHAT_NICK6,
-    GUI_COLOR_CHAT_NICK7,
-    GUI_COLOR_CHAT_NICK8,
-    GUI_COLOR_CHAT_NICK9,
-    GUI_COLOR_CHAT_NICK10,
+    /*
+     * 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,
diff --git a/src/plugins/demo/demo.c b/src/plugins/demo/demo.c
index c55ab8f85..27e2f29c5 100644
--- a/src/plugins/demo/demo.c
+++ b/src/plugins/demo/demo.c
@@ -68,13 +68,12 @@ demo_printf_command_cb (void *data, struct t_gui_buffer *buffer, int argc,
                         _("%sdemo message with error prefix"),
                         weechat_prefix ("error"));
         weechat_printf (buffer,
-                        _("colors: %s buffer %s nick1 %s nick2 %s nick3 "
-                          "%s nick4"),
+                        "%s: %s chat_buffer %s chat_server "
+                        "%s chat_host",
+                        _("colors"),
                         weechat_color ("chat_buffer"),
-                        weechat_color ("chat_nick_color1"),
-                        weechat_color ("chat_nick_color2"),
-                        weechat_color ("chat_nick_color3"),
-                        weechat_color ("chat_nick_color4"));
+                        weechat_color ("chat_server"),
+                        weechat_color ("chat_host"));
     }
     
     return WEECHAT_RC_OK;
diff --git a/src/plugins/irc/irc-config.c b/src/plugins/irc/irc-config.c
index 44e0e3cdc..3421c8de6 100644
--- a/src/plugins/irc/irc-config.c
+++ b/src/plugins/irc/irc-config.c
@@ -126,7 +126,9 @@ struct t_config_option *irc_config_network_send_unknown_commands;
 
 struct t_config_option *irc_config_server_default[IRC_SERVER_NUM_OPTIONS];
 
-struct t_hook *hook_config_color_nicks_number = NULL;
+struct t_hook *irc_config_hook_config_nick_colors = NULL;
+char **irc_config_nick_colors = NULL;
+int irc_config_num_nick_colors = 0;
 struct t_hashtable *irc_config_hashtable_nick_color_force = NULL;
 
 int irc_config_write_temp_servers = 0;
@@ -187,20 +189,41 @@ irc_config_compute_nick_colors ()
 }
 
 /*
- * irc_config_change_look_color_nicks_number: called when the
- *                                            "weechat.look.color_nicks_number"
- *                                            option is changed
+ * irc_config_set_nick_colors: set nick colors using option
+ *                             "weechat.color.chat_nick_colors"
+ */
+
+void
+irc_config_set_nick_colors ()
+{
+    if (irc_config_nick_colors)
+    {
+        weechat_string_free_split (irc_config_nick_colors);
+        irc_config_nick_colors = NULL;
+        irc_config_num_nick_colors = 0;
+    }
+    
+    irc_config_nick_colors =
+        weechat_string_split (weechat_config_string (weechat_config_get ("weechat.color.chat_nick_colors")),
+                              ",", 0, 0,
+                              &irc_config_num_nick_colors);
+}
+
+/*
+ * irc_config_change_nick_colors_cb: callback called when option
+ *                                   "weechat.color.chat_nick_colors" is changed
  */
 
 int
-irc_config_change_look_color_nicks_number (void *data, const char *option,
-                                           const char *value)
+irc_config_change_nick_colors_cb (void *data, const char *option,
+                                  const char *value)
 {
     /* make C compiler happy */
     (void) data;
     (void) option;
     (void) value;
     
+    irc_config_set_nick_colors ();
     irc_config_compute_nick_colors ();
     
     return WEECHAT_RC_OK;
@@ -2254,8 +2277,8 @@ irc_config_init ()
     }
     irc_config_section_server = ptr_section;
     
-    hook_config_color_nicks_number = weechat_hook_config ("weechat.look.color_nicks_number",
-                                                          &irc_config_change_look_color_nicks_number, NULL);
+    irc_config_hook_config_nick_colors = weechat_hook_config ("weechat.color.chat_nick_colors",
+                                                              &irc_config_change_nick_colors_cb, NULL);
     
     return 1;
 }
@@ -2299,13 +2322,19 @@ void
 irc_config_free ()
 {
     weechat_config_free (irc_config_file);
-
-    if (hook_config_color_nicks_number)
+    
+    if (irc_config_hook_config_nick_colors)
     {
-        weechat_unhook (hook_config_color_nicks_number);
-        hook_config_color_nicks_number = NULL;
+        weechat_unhook (irc_config_hook_config_nick_colors);
+        irc_config_hook_config_nick_colors = NULL;
     }
-
+    if (irc_config_nick_colors)
+    {
+        weechat_string_free_split (irc_config_nick_colors);
+        irc_config_nick_colors = NULL;
+        irc_config_num_nick_colors = 0;
+    }
+    
     if (irc_config_hashtable_nick_color_force)
     {
         weechat_hashtable_free (irc_config_hashtable_nick_color_force);
diff --git a/src/plugins/irc/irc-config.h b/src/plugins/irc/irc-config.h
index aed25367e..e199f4bcc 100644
--- a/src/plugins/irc/irc-config.h
+++ b/src/plugins/irc/irc-config.h
@@ -145,8 +145,12 @@ extern struct t_config_option *irc_config_network_send_unknown_commands;
 
 extern struct t_config_option *irc_config_server_default[];
 
+extern char **irc_config_nick_colors;
+extern int irc_config_num_nick_colors;
+
 extern struct t_hashtable *irc_config_hashtable_nick_color_force;
 
+extern void irc_config_set_nick_colors ();
 extern void irc_config_server_change_cb (void *data,
                                          struct t_config_option *option);
 struct t_config_option *irc_config_server_new_option (struct t_config_file *config_file,
diff --git a/src/plugins/irc/irc-nick.c b/src/plugins/irc/irc-nick.c
index 3d42afca1..f29eaf480 100644
--- a/src/plugins/irc/irc-nick.c
+++ b/src/plugins/irc/irc-nick.c
@@ -141,6 +141,12 @@ irc_nick_hash_color (const char *nickname)
     int color;
     const char *ptr_nick;
     
+    if (!irc_config_nick_colors)
+        irc_config_set_nick_colors ();
+    
+    if (irc_config_num_nick_colors == 0)
+        return 0;
+    
     color = 0;
     ptr_nick = nickname;
     while (ptr_nick && ptr_nick[0])
@@ -148,8 +154,8 @@ irc_nick_hash_color (const char *nickname)
         color += weechat_utf8_char_int (ptr_nick);
         ptr_nick = weechat_utf8_next_char (ptr_nick);
     }
-    return (color %
-            weechat_config_integer (weechat_config_get ("weechat.look.color_nicks_number")));
+    
+    return (color % irc_config_num_nick_colors);
 }
 
 /*
@@ -161,9 +167,15 @@ const char *
 irc_nick_find_color (const char *nickname)
 {
     int color;
-    char *nickname2, color_name[64];
+    char *nickname2;
     const char *forced_color;
     
+    if (!irc_config_nick_colors)
+        irc_config_set_nick_colors ();
+    
+    if (irc_config_num_nick_colors == 0)
+        return weechat_color ("default");
+    
     nickname2 = irc_nick_strdup_for_color (nickname);
     
     /* look if color is forced */
@@ -186,9 +198,7 @@ irc_nick_find_color (const char *nickname)
         free (nickname2);
     
     /* return color */
-    snprintf (color_name, sizeof (color_name),
-              "chat_nick_color%02d", color + 1);
-    return weechat_color (color_name);
+    return weechat_color (irc_config_nick_colors[color]);
 }
 
 /*
@@ -200,8 +210,15 @@ const char *
 irc_nick_find_color_name (const char *nickname)
 {
     int color;
-    char *nickname2, color_name[128];
+    char *nickname2;
     const char *forced_color;
+    static char *default_color = "default";
+    
+    if (!irc_config_nick_colors)
+        irc_config_set_nick_colors ();
+    
+    if (irc_config_num_nick_colors == 0)
+        return default_color;
     
     nickname2 = irc_nick_strdup_for_color (nickname);
     
@@ -221,9 +238,7 @@ irc_nick_find_color_name (const char *nickname)
         free (nickname2);
     
     /* return color name */
-    snprintf (color_name, sizeof (color_name),
-              "weechat.color.chat_nick_color%02d", color + 1);
-    return weechat_config_color (weechat_config_get (color_name));
+    return irc_config_nick_colors[color];
 }
 
 /*
diff --git a/src/plugins/irc/irc-nick.h b/src/plugins/irc/irc-nick.h
index 8df1c66fa..54799fc7f 100644
--- a/src/plugins/irc/irc-nick.h
+++ b/src/plugins/irc/irc-nick.h
@@ -46,6 +46,8 @@ struct t_irc_nick
 extern int irc_nick_valid (struct t_irc_channel *channel,
                            struct t_irc_nick *nick);
 extern int irc_nick_is_nick (const char *string);
+extern int irc_nick_config_colors_cb (void *data, const char *option,
+                                      const char *value);
 extern const char *irc_nick_find_color (const char *nickname);
 extern const char *irc_nick_find_color_name (const char *nickname);
 extern int irc_nick_is_op (struct t_irc_server *server,