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.\" vi: tw=80
.\"
.\" BSD Zero Clause License
.\"
.\" Copyright (c) 2022 Thomas Voss
.\"
.\" Permission to use, copy, modify, and/or distribute this software for any
.\" purpose with or without fee is hereby granted.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
.\" REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
.\" AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
.\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
.\" LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
.\" OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
.\" PERFORMANCE OF THIS SOFTWARE.
.Dd $Mdocdate: September 23 2022 $
.Dt MSTATUS 1
.Os
.Sh NAME
.Nm mstatus
.Nd a modular status bar
.Sh SYNOPSIS
.Nm
.Op Fl r
.Op Fl s Ar seperator
.Sh DESCRIPTION
.Nm
is a modular status bar.
The
.Nm
status bar is comprised of a series of blocks which can be programmatically
added, removed, and updated.
These blocks appear side by side on the status bar seperated by the string
.Dq " | " ,
although this can be configured with the
.Fl s
flag.
Commands are sent to and from the status bar via a named pipe located at
.Pa $XDG_RUNTIME_DIR/mstatus.pipe
or
.Pa /run/user/$(id -u)/mstatus.pipe
if the
.Ev $XDG_RUNTIME_DIR
environment variable is not set.
.Ss SYNTAX
The syntax used to send commands is extremely simple.
Every command sent follows the form
.Dq (\-?)([0-9]*)(.*)
or in other words, an optional
.Sq \-
followed by an optional unsigned integer, followed by an optional string.
Starting at the beginning, a leading
.Sq \-
tells
.Nm
that you would like to remove a block from the status bar.
If the command does not begin with a
.Sq \-
then
.Nm
will attempt to create/update a block instead.
.Pp
Next, you can optionally provide a number which represents the block you want
to act upon.
As an example, the command
.Dq \-10
signals that you would like to remove block 10 from the status bar.
The command
.Dq 4
on the other hand signals that you would like to create/update block 4.
If no block number is specified, then the specified action will be executed on
block 1.
It is important to note that the command
.Dq 0
will be ignored as there is no block 0, however the command
.Dq \-0
is special in that it deletes all the blocks from the status bar.
.Pp
Finally, after you have provided the optional
.Sq \-
flag and have selected the block to act upon, you can provide any string which
will be displayed in the selected block.
If the
.Sq \-
flag was specified then this string will be simply ignored.
.Sh OPTIONS
.Bl -tag -width Ds
.It Fl r
Add a single space of padding to the right of the status bar.
.It Fl s Ar seperator
Set the block seperator to the string specified by
.Ar seperator
as opposed to the default of
.Dq " | " .
.El
.Sh EXAMPLES
Display the current time in block 1, and the current date in block 2:
.Pp
.Dl "$ date \(aq+%H:%M\(aq >$XDG_RUNTIME_DIR/mstatus.pipe # Note the implicit \(aq1\(aq"
.Dl "$ date \(aq+2%d/%m/%Y\(aq >$XDG_RUNTIME_DIR/mstatus.pipe # Note the leading \(aq2\(aq"
.Pp
Delete the 5th block:
.Pp
.Dl $ echo \(aq-5\(aq >$XDG_RUNTIME_DIR/mstatus.pipe
.Pp
Replace the entire status bar with
.Dq Hello world! :
.Pp
.Dl $ printf \(aq-0\enHello world!\(aq >$XDG_RUNTIME_DIR/mstatus.pipe
.Sh EXIT STATUS
.Ex -std
.Sh NOTES
.Nm
always allocates enough memory to be able to hold as many blocks as the number
of the rightmost block.
This means that if you created a block in slots 1 and 2, memory will be
allocated for 2 blocks, however if you create a block in slots 1, 2, and 300,
then memory will be allocated for 300 blocks.
It is for this reason that you should avoid creating blocks in very high slots
without reason.
Luckily if deleting the block in slot 300 from the above example, the memory
for slots 3 to 300 will all be freed.
.Sh BUGS
As of the initial 1.0 version you cannot have a block which begins with a digit.
.Sh SEE ALSO
.Xr dwm 1 ,
.Xr sway 1
.Sh AUTHORS
.An Thomas Voss Aq Mt thomasvoss@live.com
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