irc: use nick color for users outside the channel

ChangeLog

@@ -45,6 +45,7 @@ Version 0.3.5 (under dev!)
 * core: allow background for nick colors (using ":")
 * api: add new function buffer_match_list
 * aspell: fix spellers used after switch of window (bug #32811)
+* irc: use nick color for users outside the channel
 * irc: replace options irc.color.nick_prefix_{op|halfop|voice|user} by a single
   option irc.color.nick_prefixes (task #10888)
 * irc: update short name of server buffer when server is renamed

src/plugins/irc/irc-ctcp.c

@@ -899,7 +899,7 @@ irc_ctcp_recv (struct t_irc_server *server, const char *command,
                                                         nick),
                                      "%s%s%s%s%s%s",
                                      weechat_prefix ("action"),
-                                     (ptr_nick) ? ptr_nick->color : IRC_COLOR_CHAT_NICK,
+                                     (ptr_nick) ? ptr_nick->color : ((nick) ? irc_nick_find_color (nick) : IRC_COLOR_CHAT_NICK),
                                      nick,
                                      (pos_args) ? IRC_COLOR_CHAT : "",
                                      (pos_args) ? " " : "",

src/plugins/irc/irc-nick.c

@@ -897,7 +897,7 @@ irc_nick_as_prefix (struct t_irc_server *server, struct t_irc_nick *nick,
               weechat_config_string (irc_config_look_nick_prefix) : "",
               str_prefix_color,
               prefix,
-              (force_color) ? force_color : ((nick) ? nick->color : IRC_COLOR_CHAT_NICK),
+              (force_color) ? force_color : ((nick) ? nick->color : ((nickname) ? irc_nick_find_color (nickname) : IRC_COLOR_CHAT_NICK)),
               (nick) ? nick->name : nickname,
               (weechat_config_string (irc_config_look_nick_suffix)
                && weechat_config_string (irc_config_look_nick_suffix)[0]) ?