#!/bin/sh
#
-# Automatically select a display configuration based on connected devives
+# Automatically select a display configuration based on connected devices
+#
+# Copyright (c) 2013 Stefan Tomanek <stefan.tomanek@wertarbyte.de>
+#
+# 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 <http://www.gnu.org/licenses/>.
+#
#
-# Stefan Tomanek <stefan.tomanek@wertarbyte.de>
#
# How to use:
#
# 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/
+PROFILES=~/.autorandr
CONFIG=~/.autorandr.conf
+RESERVED_PROFILE_NAMES=`cat <<EOF
+ common Clone all connected outputs at the largest common resolution
+ horizontal Stack all connected outputs horizontally at their largest resolution
+ vertical Stack all connected outputs vertically at their largest resolution
+EOF`
CHANGE_PROFILE=0
FORCE_LOAD=0
. $CONFIG
fi
+if ! which xxd 2>&1 >/dev/null; then
+ xxd() {
+ # xxd replacement for systems without vim. Ugly, but the only simple
+ # version that both Python 2 and 3 understand that I could come up with.
+ # awk can only do one direction, it has no ord() function.
+ if [ "$1" = "-r" ]; then
+ python -c "import binascii, sys; getattr(sys.stdout, 'buffer', sys.stdout).write(binascii.unhexlify(getattr(sys.stdin, 'buffer', sys.stdin).read()))"
+ else
+ python -c "import binascii, sys; getattr(sys.stdout, 'buffer', sys.stdout).write(binascii.hexlify(getattr(sys.stdin, 'buffer', sys.stdin).read()))"
+ echo
+ fi
+ }
+fi
+
setup_fp_xrandr_edid() {
$XRANDR -q --verbose | awk '
- /^[^ ]+ (dis)?connected / { DEV=$1; }
- $1 ~ /^[a-f0-9]+$/ { ID[DEV] = ID[DEV] $1 }
- END { for (X in ID) { print X " " ID[X]; } }'
+ ORS="";
+ / (dis)?connected/ { DEVICE=gensub("-([A-Z]-)?", "", "g", $1) " "; }
+ /^[[:blank:]]+EDID:/ {
+ print DEVICE
+ DEVICE=""
+ for(getline; /^[[:blank:]]+[0-9a-f]+$/; getline) {
+ print $1;
+ }
+ print "\n";
+ }
+ END {
+ print "\n";
+ }
+ '
}
setup_fp_sysfs_edid() {
- # xrandr triggers the reloading of EDID data
$XRANDR -q > /dev/null
- # hash the EDIDs of all _connected_ devices
- for P in /sys/class/drm/card*-*/; do
- # nothing found
- [ ! -d "$P" ] && continue
- if grep -q "^connected$" < "${P}status"; then
- echo -n "$(basename "$P") "
- md5sum ${P}edid | awk '{print $1}'
- fi
+ for DEVICE in /sys/class/drm/card*-*; do
+ [ -e "${DEVICE}/status" ] && grep -q "^connected$" "${DEVICE}/status" || continue
+ echo -n "$(echo "${DEVICE}/edid" | sed -re 's#^.+card[0-9]+-([^/]+).+#\1#; s#-([A-Z]-)?##') "
+ cat "${DEVICE}/edid" | xxd -c 256 -ps | awk 'ORS=""; /.+/ { print; }'
+ echo
done
}
echo "Unable to fingerprint display configuration" >&2
return
fi
- echo "$FP"
+ echo "$FP" | sort
}
current_cfg_xrandr() {
$XRANDR -q | awk -v primary_setup="${PRIMARY_SETUP}" '
# display is connected and has a mode
/^[^ ]+ connected [^(]/ {
- split($3, A, "+");
+ output=$1
print "output "$1;
+ if ($3 == "primary") {
+ print $3
+ split($4, A, "+")
+ $4=$5
+ }
+ else {
+ split($3, A, "+");
+ if (A[1] A[2] "," A[3] == primary_setup)
+ print "primary";
+ }
+ if (($4 == "left") || ($4 == "right")) {
+ split(A[1], B, "x");
+ A[1] = B[2]"x"B[1];
+ }
print "mode "A[1];
print "pos "A[2]"x"A[3];
- if (A[1] A[2] "," A[3] == primary_setup)
- print "primary";
+ if ($4 !~ /^\(/) {
+ print "rotate "$4;
+ }
+ else {
+ print "rotate normal";
+ }
next;
}
+ / [0-9]+x[0-9]+ .+/ {
+ if (output) {
+ for (n=1; n<10; n++) {
+ if($n ~ /[0-9]+\.[0-9]+\*/) {
+ print "rate " gensub(/(+|\*)/, "", "g", $n);
+ }
+ }
+ }
+ }
# disconnected or disabled displays
/^[^ ]+ (dis)?connected / ||
/^[^ ]+ unknown connection / {
+ output=""
print "output "$1;
print "off";
next;
$DISPER -p
}
+common_cfg_xrandr() {
+ $XRANDR -q | awk '
+ # variables:
+ # output: current output
+ # outputlist: space sep list of all outputs
+ # outputarr: array of all connected outputs
+ # outputarrsize: number of connected outputs
+ # modelist[800x600]: space sep list of outputs supporting mode
+ # display is connected
+ /^[^ ]+ connected / {
+ output=$1;
+ outputlist=outputlist " " output
+ outputarr[outputarrsize++]=output
+ }
+ # disconnected or disabled displays
+ /^[^ ]+ disconnected / ||
+ /^[^ ]+ unknown connection / {
+ print "output " $1;
+ print "off";
+ }
+ # modes available on a screen
+ /^ [0-9]+x[0-9]+/ {
+ modelist[$1]=modelist[$1] " " output
+ }
+ END {
+ # find common mode with largest screen area
+ for (m in modelist) {
+ if (modelist[m] == outputlist) {
+ # calculate area of resolution
+ split(m, wh, "x");
+ if (wh[1]*wh[2] >= maxdim) {
+ maxdim=wh[1]*wh[2]
+ maxmode=m
+ }
+ }
+ }
+ if (maxmode) {
+ for (i in outputarr) {
+ print "output " outputarr[i];
+ print "mode " maxmode;
+ print "pos 0x0";
+ if (i > 0) {
+ print "same-as " outputarr[0]
+ }
+ }
+ }
+ }' \
+ | load_cfg_xrandr -
+}
+
+stack_cfg_xrandr() {
+ $XRANDR -q | awk -v stack="${STACK}" '
+ # variables:
+ # stack: "horizontal" (anything except vertical) or "vertical"
+ # output: current output
+ # firstmode: pick first mode after output
+ # posX,posY: position of the next output
+ BEGIN {
+ posX=posY=0
+ }
+ # display is connected
+ /^[^ ]+ connected / {
+ output=$1;
+ print "output " $1;
+ firstmode=1
+ }
+ # disconnected or disabled displays
+ /^[^ ]+ disconnected / ||
+ /^[^ ]+ unknown connection / {
+ print "output " $1;
+ print "off";
+ }
+ # modes available on a screen, but pick only the first
+ /^ [0-9]+x[0-9]+/ {
+ if (!firstmode) next;
+ firstmode=0
+ # output mode at current virtual desktop pos
+ print "mode " $1;
+ print "pos " posX "x" posY;
+ # calculate position of next output
+ split($1, wh, "x");
+ if (stack == "vertical")
+ posY += wh[2];
+ else
+ posX += wh[1];
+ }' \
+ | load_cfg_xrandr -
+}
+
current_cfg() {
$CURRENT_CFG_METHOD;
}
}
load_cfg_xrandr() {
- sed 's!^!--!' "$1" | xargs $XRANDR
+ # sed 1: Prefix arguments with "--"
+ # sed 2: Merge arguments into one line per output
+ # sed 3: * Merge all --off outputs into the first line
+ # * Place the output with --pos 0x0 on the second line
+ # * Remaining outputs are appended as they appear
+ # * Keep everything in hold buffer until the last line
+ # sed 4: Remove empty lines caused by G and H on empty hold buffer
+ # sed 5: Join lines enabling screens in pairs of two (See https://github.com/phillipberndt/autorandr/pull/6)
+ sed 's/^/--/' "$1" | sed -e '
+ :START
+ /\n--output/{P;D}
+ s/\n/ /
+ N;bSTART' | sed -e '
+ / --off/{
+ G
+ # Merge with next line if it contains --off
+ s/\n\([^\n]* --off\)/ \1/
+ h
+ $!d;b
+ }
+ / --pos 0x0/{
+ G
+ # Swap lines 1 and 2 if --off is found
+ / --off/ s/^\([^\n]*\)\n\([^\n]*\)/\2\n\1/
+ h
+ $!d;b
+ }
+ H
+ $!d
+ x' | sed -e '
+ /./ !d' | sed -e '
+ /--mode/{ N; s/\n/ /; }
+ ' | xargs -L 1 $XRANDR
}
load_cfg_disper() {
load() {
local PROFILE="$1"
local CONF="$PROFILES/$PROFILE/config"
- if [ -e "$CONF" ] ; then
+ local IS_VIRTUAL_PROFILE=`echo "$RESERVED_PROFILE_NAMES" | grep -c "^ $PROFILE "`
+
+ if [ ! -f "$CONF" -a $IS_VIRTUAL_PROFILE -eq 0 ]; then
+ echo " -> Error: Profile '$PROFILE' does not exist." >&2
+ return
+ fi
+
+ if [ -x "$PROFILES/preswitch" ]; then
+ "$PROFILES/preswitch" "$PROFILE"
+ fi
+ if [ -x "$PROFILES/$PROFILE/preswitch" ]; then
+ "$PROFILES/$PROFILE/preswitch" "$PROFILE"
+ fi
+
+ if [ -f "$CONF" ]; then
echo " -> loading profile $PROFILE"
+ if [ $IS_VIRTUAL_PROFILE -ne 0 ]; then
+ echo " -> Warning: Existing profile overrides virtual profile with same name" >&2
+ fi
$LOAD_METHOD "$CONF"
+ else
+ # Virtual profiles
+ if [ $PROFILE = "common" ]; then
+ echo " -> setting largest common mode in cloned mode"
+ common_cfg_xrandr
+ elif [ $PROFILE = "horizontal" ]; then
+ echo " -> stacking all outputs horizontally at their largest modes"
+ STACK="horizontal" stack_cfg_xrandr
+ elif [ $PROFILE = "vertical" ]; then
+ echo " -> stacking all outputs vertically at their largest modes"
+ STACK="vertical" stack_cfg_xrandr
+ fi
+ fi
- [ -x "$PROFILES/$PROFILE/postswitch" ] && \
- "$PROFILES/$PROFILE/postswitch" "$PROFILE"
- [ -x "$PROFILES/postswitch" ] && \
- "$PROFILES/postswitch" "$PROFILE"
+ if [ -x "$PROFILES/$PROFILE/postswitch" ]; then
+ "$PROFILES/$PROFILE/postswitch" "$PROFILE"
+ fi
+ if [ -x "$PROFILES/postswitch" ]; then
+ "$PROFILES/postswitch" "$PROFILE"
fi
}
-c, --change reload current setup
-s, --save <profile> save your current setup to profile <profile>
-l, --load <profile> load profile <profile>
--d, --default <profile> make profile <profile> the default profile
+-d, --default <profile> make profile <profile> the default profile
--force force (re)loading of a profile
--fingerprint fingerprint your current hardware setup
+--config dump your current xrandr setup
To prevent a profile from being loaded, place a script call "block" in its
directory. The script is evaluated before the screen setup is inspected, and
When called by the name "autodisper" or "auto-disper", the script uses "disper"
instead of "xrandr" to detect, configure and save the display configuration.
+ If xrandr is used, the following virtual configurations are available:
+${RESERVED_PROFILE_NAMES}
+
EOH
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"
-d|--default) DEFAULT_PROFILE="$2"; shift 2 ;;
-s|--save) SAVE_PROFILE="$2"; shift 2 ;;
-l|--load) LOAD_PROFILE="$2"; shift 2 ;;
- -h|--help) help ;;
+ -h|--help) help ;;
--force) FORCE_LOAD=1; shift ;;
--fingerprint) setup_fp; exit 0;;
+ --config) current_cfg; exit 0;;
--) shift; break ;;
*) echo "Error: $1"; exit 1;;
esac
CURRENT_SETUP="$(setup_fp)"
if [ -n "$SAVE_PROFILE" ]; then
+ if echo "$RESERVED_PROFILE_NAMES" | grep -q "^ $SAVE_PROFILE "; then
+ echo "Cannot save current configuration as profile '${SAVE_PROFILE}': This configuration name is a reserved virtual configuration."
+ exit 1
+ fi
echo "Saving current configuration as profile '${SAVE_PROFILE}'"
mkdir -p "$PROFILES/$SAVE_PROFILE"
echo "$CURRENT_SETUP" > "$PROFILES/$SAVE_PROFILE/setup"
continue
fi
- FILE_SETUP="$(cat "$PROFILES/$PROFILE/setup")"
+ # This sed command is for compatibility with old versions that did not try
+ # to normalize device names
+ FILE_SETUP="$(sed -re 's#-([A-Z]-)?##g; s#card[0-9]##;' "$PROFILES/$PROFILE/setup")"
+ # Detect the md5sum in fingerprint files created using the old sysfs fingerprinting
+ # If it is detected, output a warning and calculate the legacy variant of the current
+ # setup.
+ if echo "$FILE_SETUP" | grep -Eq "^[^ ]+ [0-9a-f]{32}$"; then
+ echo -n " (Obsolete fingerprint format. Please update using --save.) "
+
+ if [ -z "$LEGACY_CURRENT_SETUP" ]; then
+ LEGACY_CURRENT_SETUP="$(echo "$CURRENT_SETUP" | while read DEVICE EDID; do
+ echo -n "${DEVICE} "
+ echo -n "${EDID}" | xxd -r -ps | md5sum - | awk '{print $1}'
+ done)"
+ fi
+ FILE_SETUP="$(echo "$FILE_SETUP" | sort)"
+ if [ "$LEGACY_CURRENT_SETUP" = "$FILE_SETUP" ]; then
+ CURRENT_SETUP="$LEGACY_CURRENT_SETUP"
+ fi
+ fi
+
if [ "$CURRENT_SETUP" = "$FILE_SETUP" ]; then
echo " (detected)"
if [ "$CHANGE_PROFILE" -eq 1 ]; then
load "$DEFAULT_PROFILE"
fi
exit 1
+
+# Local Variables:
+# tab-width: 8
+# sh-basic-offset: 8
+# sh-indentation: 8
+# indent-tabs-mode: t
+# End:
projects / deb_pkgs / autorandr.git / blobdiff