#!/bin/sh
#
-# Automatically select a display configuration based on connected devives
+# Automatically select a display configuration based on connected devices
#
# Stefan Tomanek <stefan.tomanek@wertarbyte.de>
#
# applications about it.
#
#
-# While the script uses xrandr by defult, calling it by the name "autodisper"
+# While the script uses xrandr by default, calling it by the name "autodisper"
# or "auto-disper" forces it to use the "disper" utility, which is useful for
# controlling nvidia chipsets. The formats for fingerprinting the current setup
# and saving/loading the current configuration are adjusted accordingly.
XRANDR=/usr/bin/xrandr
DISPER=/usr/bin/disper
+XDPYINFO=/usr/bin/xdpyinfo
PROFILES=~/.autorandr/
CONFIG=~/.autorandr.conf
SCRIPTNAME="$(basename $0)"
# when called as autodisper/auto-disper, we assume different defaults
if [ "$SCRIPTNAME" = "auto-disper" ] || [ "$SCRIPTNAME" = "autodisper" ]; then
+ echo "Assuming disper defaults..." >&2
FP_METHODS="setup_fp_disper"
CURRENT_CFG_METHOD="current_cfg_disper"
LOAD_METHOD="load_cfg_disper"
fi
-test -f $CONFIG && . $CONFIG
+if [ -f $CONFIG ]; then
+ echo "Loading configuration from '$CONFIG'" >&2
+ . $CONFIG
+fi
setup_fp_xrandr_edid() {
$XRANDR -q --verbose | awk '
$XRANDR -q > /dev/null
# hash the EDIDs of all _connected_ devices
for P in /sys/class/drm/card*-*/; do
+ # nothing found
+ [ ! -d "$P" ] && continue
if grep -q "^connected$" < "${P}status"; then
echo -n "$(basename "$P") "
md5sum ${P}edid | awk '{print $1}'
local FP="";
for M in $FP_METHODS; do
FP="$($M)"
- [ -n "$FP" ] && break;
+ if [ -n "$FP" ]; then
+ break
+ fi
done
if [ -z "$FP" ]; then
echo "Unable to fingerprint display configuration" >&2
}
current_cfg_xrandr() {
- $XRANDR -q | awk '
- /^[^ ]+ disconnected / {
- print "output "$1;
- print "off";
- }
- /^[^ ]+ connected / {
+ local PRIMARY_SETUP="";
+ if [ -x "$XDPYINFO" ]; then
+ PRIMARY_SETUP="$($XDPYINFO -ext XINERAMA | awk '/^ head #0:/ {printf $3 $5}')"
+ fi
+ $XRANDR -q | awk -v primary_setup="${PRIMARY_SETUP}" '
+ # display is connected and has a mode
+ /^[^ ]+ connected [^(]/ {
split($3, A, "+");
print "output "$1;
print "mode "A[1];
print "pos "A[2]"x"A[3];
+ if ($4 !~ /^\(/) {
+ print "rotate "$4;
+ }
+ if (A[1] A[2] "," A[3] == primary_setup)
+ print "primary";
+ next;
+ }
+ # disconnected or disabled displays
+ /^[^ ]+ (dis)?connected / ||
+ /^[^ ]+ unknown connection / {
+ print "output "$1;
+ print "off";
+ next;
}'
}
}
current_cfg() {
- $CURRENT_METHOD;
+ $CURRENT_CFG_METHOD;
}
blocked() {
}
load_cfg_disper() {
- $DISPER < -i < "$1"
+ $DISPER -i < "$1"
}
load() {
-d, --default <profile> make profile <profile> the default profile
--force force (re)loading of a profile
--fingerprint fingerprint your current hardware setup
+--config dump your current xrandr setup
To prevent a profile from being loaded, place a script call "block" in its
directory. The script is evaluated before the screen setup is inspected, and
exit
}
# process parameters
-OPTS=$(getopt -n autorandr -o s:l:d:cfh --long change,default:,save:,load:,force,fingerprint,help -- "$@")
+OPTS=$(getopt -n autorandr -o s:l:d:cfh --long change,default:,save:,load:,force,fingerprint,config,help -- "$@")
if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
eval set -- "$OPTS"
-h|--help) help ;;
--force) FORCE_LOAD=1; shift ;;
--fingerprint) setup_fp; exit 0;;
+ --config) current_cfg; exit 0;;
--) shift; break ;;
*) echo "Error: $1"; exit 1;;
esac
echo "Saving current configuration as profile '${SAVE_PROFILE}'"
mkdir -p "$PROFILES/$SAVE_PROFILE"
echo "$CURRENT_SETUP" > "$PROFILES/$SAVE_PROFILE/setup"
- current_cfg > "$PROFILES/$SAVE_PROFILE/config"
+ $CURRENT_CFG_METHOD > "$PROFILES/$SAVE_PROFILE/config"
exit 0
fi