#
# 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 IS _NOT_ OSS CODE!
+#
+#
#
# How to use:
#
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
+ which xxd >/dev/null 2>&1 || return
$XRANDR -q > /dev/null
- # hash the EDIDs of all _connected_ devices
- for P in /sys/class/drm/card*-*/; do
- # nothing found
- [ ! -d "$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]-)?##') "
+ xxd -c 256 -ps "${DEVICE}/edid" | awk 'ORS=""; /.+/ { print; }'
+ echo
done
}
echo "Unable to fingerprint display configuration" >&2
return
fi
- echo "$FP"
+ echo "$FINGERPRINT" | sort
}
current_cfg_xrandr() {
load_cfg_xrandr() {
# sed 1: Prefix arguments with "--"
# sed 2: Merge arguments into one line per output
- # sed 3: Merge into two lines, all --off outputs in the first one
+ # 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 '
- ### First line
/ --off/{
G
- # Merge if next line contains --off
+ # Merge with next line if it contains --off
s/\n\([^\n]* --off\)/ \1/
h
$!d;b
}
- ### Last line
- H;x
- # Merge if previous line contains --mode
- s/\(--mode [^\n]*\)\n/\1 /
- h
- $!d' | xargs -L 1 $XRANDR
+ / --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 $XRANDR
}
load_cfg_disper() {
continue
fi
- FILE_SETUP="$(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