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#!/usr/bin/env bash
# xrandr (graphical output) ############################################
type xrandr &>/dev/null && modules+=(xrandr)
xrandr.get() {
xrandr --query --verbose|awk -v OFS=$'\t' '/ connected /{print "xrandr", $1, $5}'
}
xrandr.set() {
xrandr --orientation "$1"
}
# xsetwacom (touchscreen input) ########################################
type xsetwacom &>/dev/null && modules+=(xsetwacom)
xsetwacom.get() {
local device
xsetwacom --list devices|cut -d $'\t' -f1|while read -r device; do
printf 'xsetwacom\t%s\t%s\n' "$device" "$(xsetwacom --get "$device" Rotate)"
done | sed -e $'s/\tnone$/\tnormal/' \
-e $'s/\tcw$/\tright/' \
-e $'s/\tccw$/\tleft/' \
-e $'s/\thalf$/\tinverted/'
}
xsetwacom.set() {
declare -A xrandr2wacom
xrandr2wacom[normal]=none
xrandr2wacom[left]=ccw
xrandr2wacom[right]=cw
xrandr2wacom[inverted]=half
local device
local r=0
xsetwacom --list devices|cut -d $'\t' -f1|while read -r device; do
xsetwacom --set "$device" Rotate ${xrandr2wacom[$1]} || r=$?
done
return $r
}
# xmodmap (D-pad input) ################################################
type xmodmap &>/dev/null && modules+=(xmodmap)
declare -A xrandr2xmodmap
xrandr2xmodmap[keycode]=' 111 113 114 116 '
xrandr2xmodmap[normal]=' Up Left Right Down '
xrandr2xmodmap[left]=' Right Up Down Left '
xrandr2xmodmap[right]=' Left Down Up Right'
xrandr2xmodmap[inverted]='Down Right Left Up '
xmodmap.get() {
local cur=malformed
local keys=($(xmodmap -pke | grep -f <(printf '^keycode %s =\n' ${xrandr2xmodmap[keycode]})|awk '{print $4}'))
local k
for k in normal left right inverted; do
if [[ "$(echo ${xrandr2xmodmap[$k]})" = "${keys[*]}" ]]; then
cur=$k
fi
done
printf 'xmodmap\t-\t%s\n' "$cur"
}
xmodmap.set() {
paste \
<(printf '%s\n' ${xrandr2xmodmap[keycode]}) \
<(printf '%s\n' ${xrandr2xmodmap[$1]}) \
| awk '{print "keycode", $1, "=", $2}' | xmodmap -
}
# main #################################################################
usage() {
. libremessages
print 'Usage: %q [-h|--help|normal|left|right|inverted]' "${0##*/}"
print 'Get or set screen rotation.'
echo
prose 'Without any arguments, return the screen rotation as
reported by supported subsystems. The output format is:'
echo
print ' SUBSYSTEM <tab> DEVICE <tab> STATE <newline>'
}
xget() {
local r=0
local module
for module in "${modules[@]}"; do
"${module}.get" || r=$?
done
return $r
}
xset() {
local r=0
local module
for module in "${modules[@]}"; do
"${module}.set" "$1" || r=$?
done
return $r
}
main() {
case $# in
0) xget;;
1)
case "$1" in
normal|left|right|inverted) xset "$1";;
-h|--help) usage;;
*) usage >&2; exit 1;;
esac
;;
*) usage >&2; exit 1;;
esac
}
main "$@"
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