.Dd September 8, 2018
.Dt CHATTE 1
.Os "Causal Agency"
.Sh NAME
.Nm chatte
.Nd IRC for catgirls
.Sh SYNOPSIS
.Nm
.Op Fl v
.Op Fl W Ar pass
.Op Fl h Ar host
.Op Fl j Ar chan
.Op Fl l Ar path
.Op Fl n Ar nick
.Op Fl p Ar port
.Op Fl u Ar user
.Op Fl w Ar pass
.Sh DESCRIPTION
.Nm
is a curses IRC client
which only supports TLS.
.Pp
The arguments are as follows:
.Bl -tag -width Ds
.It Fl W Ar pass
Send
.Ql WEBIRC
command with
.Ar pass .
See
.Sx ENVIRONMENT
for details.
.It Fl h Ar host
Connect to
.Ar host .
.It Fl j Ar chan
Join
.Ar chan
after connecting.
.Ar chan
may be a comma-separated list.
.It Fl l Ar path
Log messages to subdirectories by target
and files by date under
.Ar path .
.It Fl n Ar nick
Set nickname to
.Ar nick .
.It Fl p Ar port
Connect to
.Ar port .
The default port is 6697.
.It Fl u Ar user
Set username to
.Ar user .
The default username is
the same as the nickname.
.It Fl v
Show raw IRC protocol in the
.Ql (irc)
view.
.It Fl w Ar pass
Log in with
.Ar pass .
.El
.Pp
If
.Fl h
or
.Fl n
are not provided,
they will be prompted for.
.Sh COMMANDS
Commands may be entered
as their shortest unique prefix.
A slash followed immediately by a number
is equivalent to
.Ic /view .
.Bl -tag
.It Ic /close
Close the current view.
All views after the current one
are renumbered.
.It Ic /join Ar chan
Join a channel.
.It Ic /me Ar action
Send a CTCP
.Ql ACTION
to the current target.
.It Ic /names
List users in the current channel.
Equivalent to
.Ic /who .
.It Ic /nick Ar nick
Change nicknames.
.It Ic /open Op Ar range
Open
.Ar range
most recent URLs
appearing in the current view
with
.Xr open 1 .
.Ar range
may be a hypen- or comma-separated range
from the most recent URL,
starting at 1.
The default
.Ar range
is 1.
.It Ic /part
Leave the current channel.
.It Ic /query Ar nick
Open a private message view with
.Ar nick .
.It Ic /quit Op Ar message
Quit IRC.
The default
.Ar message
is
.Dq Goodbye .
.It Ic /topic Op Ar topic
Show the topic of the current channel
or set it to
.Ar topic .
.It Ic /url
Hide the UI and
list the most recent URLS
which appeared in the current view.
Press
.Aq Enter
to resume the UI.
.It Ic /view Ar num
Switch to view number
.Ar num .
.It Ic /view Ar name
Switch to view for
.Ar name .
.It Ic /who
List users in the current channel.
.El
.Pp
Additionally,
messages entered in the
.Ql (irc)
view
will be sent as raw IRC commands.
.Sh LINE EDITING
.Nm
provides Emacs-like
line editing keys,
as well as keys for entering
IRC formatting codes.
.Bl -tag
.It Aq C-l
Redraw the UI.
.It Ao M-0 Ac \(en Ao M-9 Ac
Switch to view by number.
See
.Ic /view .
.It Aq S-Left
Scroll view up by one line.
.It Aq S-Right
Scroll view down by one line.
.It Aq PageUp
Scroll view up by half a page.
.It Aq PageDown
Scroll view down by half a page.
.It Ao C-b Ac Ao Left Ac
Move cursor left.
.It Ao C-f Ac Ao Right Ac
Move cursor right.
.It Ao C-a Ac Ao Home Ac
Move cursor to beginning of line.
.It Ao C-e Ac Ao End Ac
Move cursor to end of line.
.It Aq M-b
Move cursor to beginning of word.
.It Aq M-f
Move cursor to end of word.
.It Aq Backspace
Delete character before cursor.
.It Ao C-d Ac Ao Delete Ac
Delete character under cursor.
.It Ao C-w Ac Ao M-Backspace Ac
Delete word before cursor.
.It Aq M-d
Delete word after cursor.
.It Aq C-k
Delete line after cursor.
.It Aq Tab
Cycle through completions
for commands, nicks and channels.
.It Aq C-n
Insert IRC formatting reset.
.It Aq C-o
Insert IRC formatting bold.
.It Aq C-t
Insert IRC formatting italic.
.It Aq C-u
Insert IRC formatting underline.
.It Aq C-v
Insert IRC formatting reverse video.
.It Aq C-r
Insert IRC formatting color.
.El
.Sh ENVIRONMENT
.Bl -tag
.It Ev SSH_CLIENT
If
.Fl W
is passed and
.Ev SSH_CLIENT
is set,
the
.Ql WEBIRC
command is used
to set the hostname
to the first word of
.Ev SSH_CLIENT ,
usually the client IP address.
.El
.Sh EXAMPLES
.Bd -literal -offset indent
chatte -h ascii.town -j '&chatte'
.Ed
.Sh STANDARDS
.Rs
.%A C. Kalt
.%T Internet Relay Chat: Client Protocol
.%I IETF
.%N RFC 2812
.%D April 2000
.%U https://tools.ietf.org/html/rfc2812
.Re
.Sh CAVEATS
.Nm
does not support unencrypted connections.