#!/bin/bash

# herbstluftwm_adjust_borders --- Change client borders of HerbstluftWM.
#
# Copyright (c) 2023  Protesilaos Stavrou <info@protesilaos.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.	If not, see <https://www.gnu.org/licenses/>.

_hc ()
{
    herbstclient "$@"
}

frame_border_current=$(_hc attr theme.border_width)
frame_border_increment=${1-0}
frame_border_new=$(($frame_border_current + $frame_border_increment))

# Make it cyclic.
if [ $frame_border_new -lt 0 ]
then
    frame_border_new=15
elif [ $frame_border_new -gt 15 ]
then
    frame_border_new=0
fi

_hc attr theme.border_width $frame_border_new
