#!/bin/sh
# mblaze.env
# Written in 2020 by Lucas
# CC0 1.0 Universal/Public domain - No rights reserved
#
# To the extent possible under law, the author(s) have dedicated all
# copyright and related and neighboring rights to this software to the
# public domain worldwide. This software is distributed without any
# warranty. You should have received a copy of the CC0 Public Domain
# Dedication along with this software. If not, see
# <http://creativecommons.org/publicdomain/zero/1.0/>.

keyhandler()
{
	case "$1" in
	0|1)
		exit $1
		;;
	70) # F flag
		mflag -F .
		mseq -f : | mseq -S
		mseq -C +
		;;
	82) # R mark read
		mflag -S .
		mseq -f : | mseq -S
		mseq -C +
		;;
	94) # ^ goto parent
		mseq -C '.^' 2>/dev/null
		;;
	123) # { prev thread
		prev=$(mseq .-1 | sed 's/^ *//')
		prev_root=$(mseq -c "$prev" = | head -n 1 | sed 's/^ *//')
		mseq -C "$prev_root" 2>/dev/null
		;;
	125) # } next thread
		mseq -C "$(mseq .+1: | sed -n '/^[^ <]/{p;q;}')"
		;;
	esac
}