commit - /dev/null
commit + a984dfeb2bd1319e07d3a1a967d9a0b20a55f0e5
blob - /dev/null
blob + a3d817e3e890ecd1232f5f23dea1d73d1b50470a (mode 644)
--- /dev/null
+++ README.md
+Quick-n-dirty hack to use xrandr to configure internal/external displays
blob - /dev/null
blob + c1bce00035d7a19140741a5574d8b1fa52c07453 (mode 755)
--- /dev/null
+++ dtoogle.sh
+#!/bin/bash
+
+# Quick-n-dirty script to turn external/internal displays on/off with xrandr
+#
+# 2013 by Matthias Schmidt <xhr giessen.ccc.de>
+#
+# License GNU GPL
+
+# -----------------------------------------------------------------------
+# Add your own additional options for xrandr here
+# -----------------------------------------------------------------------
+XRANDROPTS="--dryrun"
+# -----------------------------------------------------------------------
+
+
+function choose_profile()
+{
+ local PROFILE=$1
+
+ case "$PROFILE" in
+ # Home profile: Internal on, external extended
+ home)
+ INTERN="LVDS1"
+ EXTERN[0]="HDMI1"
+ ;;
+ # Work profile: Internal off, both external displays on
+ work)
+ INTERN="LVDS1"
+ EXTERN[0]="HDMI3"
+ EXTERN[1]="HDMI2"
+ ;;
+ # Projector profile: Internal on, external VGA extended
+ vga)
+ INTERN="LVDS1"
+ EXTERN[0]="VGA1"
+ ;;
+ # -----------------------------------------------------------------------
+ # Add your own profiles here.
+ # -----------------------------------------------------------------------
+ # name)
+ # INTERN="LVDS1"
+ # EXTERN[0]="VGA1"
+ # ...
+ # ;;
+ # -----------------------------------------------------------------------
+ *)
+ usage
+ echo "ERROR: Profile not found"
+ exit 1
+ ;;
+ esac
+
+ # Only enable the internal display
+ if [ $IFLAG -eq 1 ]; then
+ build_xrandr_string "--auto" "--off"
+ # Clone screen on all displays
+ elif [ $CFLAG -eq 1 ]; then
+ RES=`xrandr -q | egrep "^ *[0-9]*x[0-9]*" | awk {'print $1'} | sort -g -r | uniq -d | head -1`
+ build_xrandr_string "--mode $RES" "--same-as $INTERN"
+ # Turn internal display off
+ elif [ $EFLAG -eq 1 ]; then
+ build_xrandr_string "--off" "--auto" "--left-of"
+ # Internal on and extend screen on all displays by default
+ else
+ build_xrandr_string "--auto" "--auto"
+ fi
+}
+
+function build_xrandr_string()
+{
+ local DOINTERN=$1
+ local DOEXTERN=$2
+ local POSITION=$3
+
+ CMD="xrandr --output $INTERN $DOINTERN "
+
+ CMDEXT=
+ i=0
+ for d in ${EXTERN[*]}; do
+ if [ $CFLAG -eq 1 ]; then
+ CMDEXT="${CMDEXT} --output ${DOEXTERN} --mode ${RES}"
+ elif [ ! -z $POSITION ]; then
+ # xrandr --output $INTERN --auto --output $EXTERN --auto --right-of $INTERN
+ if [ $i -eq 0 ]; then
+ CMDEXT="${CMDEXT} --output $d ${DOEXTERN} ${POSITION} $INTERN"
+ else
+ CMDEXT="${CMDEXT} --output $d ${DOEXTERN} ${POSITION} ${EXTERN[i-1]}"
+ fi
+ else
+ CMDEXT="${CMDEXT} --output $d ${DOEXTERN} ${POSITION}"
+ fi
+ i=$(($i + 1))
+ done
+
+ CMD="$CMD $CMDEXT"
+ echo $CMD
+}
+
+function run_xrandr()
+{
+ exec "$CMD XRANDROPTS"
+}
+
+function usage()
+{
+ echo "$0 [-ceim] [-p profile]"
+ echo
+ echo " -c Clone screen on all displays"
+ echo " -e Enable external display(s) and disable internal"
+ echo " -i Enable only the internal display"
+ echo " -m Show all available modes"
+ echo
+ echo " -p profile Enable the specified profile"
+ echo
+ echo "DEFAULT: Extend screen to all displays"
+ echo
+}
+
+CMD=
+PROFILE=
+INTERN=
+RES=
+EXTERN[0]=
+EXTERN[1]=
+EXTERN[2]=
+EXTERN[3]=
+
+# Clone screen on all displays
+CFLAG=0
+# Enable only external displays
+EFLAG=0
+# Enable only the internal display
+IFLAG=0
+
+while getopts "ciemp:" opt; do
+ case $opt in
+ c)
+ CFLAG=1
+ ;;
+ i)
+ IFLAG=1
+ ;;
+ e)
+ EFLAG=1
+ ;;
+ m)
+ exec xrandr -q
+ ;;
+ p)
+ [ ! -z "$OPTARG" ] && PROFILE=$OPTARG
+ ;;
+ *)
+ usage
+ exit 1
+ ;;
+ esac
+done
+
+if [ $((CFLAG + $IFLAG + $EFLAG)) -gt 1 ]; then
+ usage
+ echo "Please specify either -c or -e or -i"
+ exit 1
+fi
+
+choose_profile $PROFILE
+run_xrandr
+
+exit $?
\ No newline at end of file
