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irc: compute color in case insensitive way (closes #194)

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Reintroduce infos "irc_nick_color" and "irc_nick_color_name" (that were
marked deprecated since version 1.5).

A server name is added in the two infos and is optional, for backward
compatibility.
This commit is contained in:
Sébastien Helleu
2023-08-24 09:05:35 +02:00
parent c2426e88c9
commit 6aa66b5363
23 changed files with 777 additions and 365 deletions
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ReleaseNotes.adoc
+30
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@@ -59,6 +59,36 @@ back with the two following commands:
They will then be advertised in reply to "CTCP CLIENTINFO", which is now built
dynamically with these options.
[[v4.1.0_info_irc_nick_color]]
=== Infos irc_nick_color and irc_nick_color_name
The infos irc_nick_color and irc_nick_color_name, that were deprecated since
version 1.5 are now used again, with a change in parameter: the server is now
optional before the nick: "server,nick". +
The nick is first converted to lower case, following the value of CASEMAPPING
on the server, then hashed to compute the color. +
That means the color for a nick is now case insensitive (in the way IRC servers
are case insensitive, so with a limited range of chars only).
If a script was using this info with a comma in nickname (which should not happen
anyway), this is now interpreted as the server name, and the script must be
modified. +
Anyway, it is recommended to always give the server name to respect the
CASEMAPPING of the server and prevent any issue with a comma in the nickname.
For example nick color of "alice" and "ALICE" is now always guaranteed to be the
same:
----
# with server name (recommended)
weechat.info_get("irc_nick_color", "libera,alice") == weechat.info_get("irc_nick_color", "libera,ALICE")
weechat.info_get("irc_nick_color_name", "libera,alice") == weechat.info_get("irc_nick_color_name", "libera,ALICE")
# without server name (allowed but not recommended, kept for compatibility)
weechat.info_get("irc_nick_color", "alice") == weechat.info_get("irc_nick_color", "ALICE")
weechat.info_get("irc_nick_color_name", "alice") == weechat.info_get("irc_nick_color_name", "ALICE")
----
[[v4.1.0_fset_allowed_values]]
=== Allowed values for options on fset buffer