#
# Automatically select a display configuration based on connected devices
#
-# Stefan Tomanek <stefan.tomanek@wertarbyte.de>
+# 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/>.
+#
+#
#
# How to use:
#
DEFAULT_PROFILE=""
SAVE_PROFILE=""
-FP_METHODS="setup_fp_sysfs_edid setup_fp_xrandr_edid"
+FP_METHODS="setup_fp_xrandr_edid setup_fp_sysfs_edid"
CURRENT_CFG_METHOD="current_cfg_xrandr"
LOAD_METHOD="load_cfg_xrandr"
. $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 [^(]/ {
+ output=$1
print "output "$1;
if ($3 == "primary") {
print $3
}
next;
}
+ / [0-9]+x[0-9]+ .+/ {
+ if (output) {
+ for (n=1; n<10; n++) {
+ if($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;
# * 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}
H
$!d
x' | sed -e '
- /./ !d' | xargs -L 1 $XRANDR
+ /./ !d' | sed -e '
+ /--mode/{ N; s/\n/ /; }
+ ' | xargs -L 1 $XRANDR
}
load_cfg_disper() {
continue
fi
- FILE_SETUP="$(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
projects / deb_pkgs / autorandr.git / blobdiff