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Date:: Tue Jan 4 08:49:51 2022 UTC
Message:: Remove sed as dependency, can be done with awk
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  1 77230597 2020-10-28 xhr #!/usr/bin/env bash
  2 0aa694e5 2014-05-29 xhr 
  3 0aa694e5 2014-05-29 xhr # Quick-n-dirty script to turn external/internal displays on/off with xrandr
  4 0aa694e5 2014-05-29 xhr #
  5 6ee453d0 2022-01-04 xhr # 2013-14,2020,2022 by Matthias Schmidt <xhr giessen.ccc.de>
  6 0aa694e5 2014-05-29 xhr #
  7 0aa694e5 2014-05-29 xhr # License GNU GPL
  8 0aa694e5 2014-05-29 xhr 
  9 0aa694e5 2014-05-29 xhr function choose_profile()
 10 0aa694e5 2014-05-29 xhr {
 11 0aa694e5 2014-05-29 xhr   local PROFILE=$1
 12 0aa694e5 2014-05-29 xhr 
 13 0aa694e5 2014-05-29 xhr   # Use classic profile mode with -p
 14 2ff6f616 2014-05-30 xhr   if [ -n "${PROFILE}" ]; then
 15 0aa694e5 2014-05-29 xhr     case "$PROFILE" in
 16 0aa694e5 2014-05-29 xhr       # Home profile: Internal on, external extended
 17 0aa694e5 2014-05-29 xhr       home)
 18 0aa694e5 2014-05-29 xhr         INTERN="LVDS1"
 19 0aa694e5 2014-05-29 xhr         EXTERN[0]="HDMI1"
 20 0aa694e5 2014-05-29 xhr         ;;
 21 0aa694e5 2014-05-29 xhr       # Work profile: Internal off, both external displays on
 22 0aa694e5 2014-05-29 xhr       work)
 23 0aa694e5 2014-05-29 xhr         INTERN="LVDS1"
 24 0aa694e5 2014-05-29 xhr         EXTERN[1]="HDMI3"
 25 0aa694e5 2014-05-29 xhr         EXTERN[0]="HDMI2"
 26 0aa694e5 2014-05-29 xhr         ;;
 27 0aa694e5 2014-05-29 xhr       # Projector profile: Internal on, external VGA extended
 28 0aa694e5 2014-05-29 xhr       vga)
 29 0aa694e5 2014-05-29 xhr         INTERN="LVDS1"
 30 0aa694e5 2014-05-29 xhr         EXTERN[0]="VGA1"
 31 0aa694e5 2014-05-29 xhr         ;;
 32 0aa694e5 2014-05-29 xhr       # -----------------------------------------------------------------------
 33 0aa694e5 2014-05-29 xhr       # Add your own profiles here.
 34 0aa694e5 2014-05-29 xhr       # -----------------------------------------------------------------------
 35 0aa694e5 2014-05-29 xhr       # name)
 36 0aa694e5 2014-05-29 xhr       #   INTERN="LVDS1"
 37 0aa694e5 2014-05-29 xhr       #   EXTERN[0]="VGA1"
 38 0aa694e5 2014-05-29 xhr       #   ...
 39 0aa694e5 2014-05-29 xhr       #   EXTERN[n]="VGAn"
 40 0aa694e5 2014-05-29 xhr       #   ;;
 41 0aa694e5 2014-05-29 xhr       # -----------------------------------------------------------------------
 42 0aa694e5 2014-05-29 xhr       *)
 43 0aa694e5 2014-05-29 xhr         usage
 44 0aa694e5 2014-05-29 xhr         pr "Profile $PROFILE not found"
 45 0aa694e5 2014-05-29 xhr         exit 1
 46 0aa694e5 2014-05-29 xhr         ;;
 47 0aa694e5 2014-05-29 xhr     esac
 48 0aa694e5 2014-05-29 xhr   # No profiles, use the connected displays instead
 49 0aa694e5 2014-05-29 xhr   else
 50 0aa694e5 2014-05-29 xhr     # Convert string with connected displays to array
 51 0aa694e5 2014-05-29 xhr     local DARRAY=( ${CONNDIS} )
 52 0aa694e5 2014-05-29 xhr     # Assume that the first display is the internal one
 53 0aa694e5 2014-05-29 xhr     INTERN=${DARRAY[0]}
 54 0aa694e5 2014-05-29 xhr     i=0
 55 0aa694e5 2014-05-29 xhr     for d in "${DARRAY[@]:1}"; do
 56 0aa694e5 2014-05-29 xhr       EXTERN[$i]=$d
 57 0aa694e5 2014-05-29 xhr       i=$(($i + 1))
 58 0aa694e5 2014-05-29 xhr     done
 59 0aa694e5 2014-05-29 xhr 
 60 0aa694e5 2014-05-29 xhr     [ $VERBOSE -eq 1 ] && {
 61 0aa694e5 2014-05-29 xhr       echo "Internal Display"
 62 0aa694e5 2014-05-29 xhr       echo -n "  "
 63 0aa694e5 2014-05-29 xhr       pg "${INTERN}"
 64 0aa694e5 2014-05-29 xhr       echo "External Display(s)"
 65 0aa694e5 2014-05-29 xhr       echo -n "  "
 66 0aa694e5 2014-05-29 xhr       pg ${EXTERN[@]}
 67 0aa694e5 2014-05-29 xhr     }
 68 0aa694e5 2014-05-29 xhr   fi
 69 0aa694e5 2014-05-29 xhr 
 70 0aa694e5 2014-05-29 xhr   # Set options deliberatly if toogle mode is on
 71 0aa694e5 2014-05-29 xhr   if [ ${TFLAG} -eq 1 ]; then
 72 0aa694e5 2014-05-29 xhr     # 0 = extend
 73 0aa694e5 2014-05-29 xhr     # 1 = mirror 
 74 0aa694e5 2014-05-29 xhr     # 2 = internal only
 75 0aa694e5 2014-05-29 xhr     # 3 = external only
 76 0aa694e5 2014-05-29 xhr     case "${STATE}" in
 77 0aa694e5 2014-05-29 xhr       0)
 78 0aa694e5 2014-05-29 xhr         # Do nothing here
 79 0aa694e5 2014-05-29 xhr         ;;
 80 0aa694e5 2014-05-29 xhr       1)
 81 0aa694e5 2014-05-29 xhr         CFLAG=1
 82 0aa694e5 2014-05-29 xhr         ;;
 83 0aa694e5 2014-05-29 xhr       2)
 84 0aa694e5 2014-05-29 xhr         IFLAG=1
 85 0aa694e5 2014-05-29 xhr         ;;
 86 0aa694e5 2014-05-29 xhr       3)
 87 0aa694e5 2014-05-29 xhr         EFLAG=1
 88 0aa694e5 2014-05-29 xhr         ;;
 89 0aa694e5 2014-05-29 xhr     esac
 90 0aa694e5 2014-05-29 xhr   fi
 91 0aa694e5 2014-05-29 xhr 
 92 0aa694e5 2014-05-29 xhr   # Only enable the internal display
 93 0aa694e5 2014-05-29 xhr   if [ $IFLAG -eq 1 ]; then
 94 0aa694e5 2014-05-29 xhr     build_xrandr_string "--auto" "--off"
 95 0aa694e5 2014-05-29 xhr   # Clone screen on all displays
 96 0aa694e5 2014-05-29 xhr   elif [ $CFLAG -eq 1 ]; then
 97 0aa694e5 2014-05-29 xhr     RES=`xrandr -q | egrep "^ *[0-9]*x[0-9]*" | awk {'print $1'} | sort | uniq -d | head -1`
 98 0aa694e5 2014-05-29 xhr     build_xrandr_string "--mode $RES" "--same-as $INTERN"
 99 0aa694e5 2014-05-29 xhr   # Turn internal display off
100 0aa694e5 2014-05-29 xhr   elif [ $EFLAG -eq 1 ]; then
101 0aa694e5 2014-05-29 xhr     if [ $RIGHTOF -eq 1 ]; then
102 0aa694e5 2014-05-29 xhr       build_xrandr_string "--off" "--auto" "--right-of"
103 0aa694e5 2014-05-29 xhr     else
104 0aa694e5 2014-05-29 xhr       build_xrandr_string "--off" "--auto" "--left-of"
105 0aa694e5 2014-05-29 xhr     fi
106 0aa694e5 2014-05-29 xhr   # Internal on and extend screen on all displays by default
107 0aa694e5 2014-05-29 xhr   else
108 0aa694e5 2014-05-29 xhr     build_xrandr_string "--auto" "--auto" "--right-of"
109 0aa694e5 2014-05-29 xhr   fi
110 0aa694e5 2014-05-29 xhr }
111 0aa694e5 2014-05-29 xhr 
112 0aa694e5 2014-05-29 xhr function build_xrandr_string()
113 0aa694e5 2014-05-29 xhr {
114 0aa694e5 2014-05-29 xhr   local DOINTERN=$1
115 0aa694e5 2014-05-29 xhr   local DOEXTERN=$2
116 0aa694e5 2014-05-29 xhr   local POSITION=$3
117 0aa694e5 2014-05-29 xhr 
118 0aa694e5 2014-05-29 xhr   CMD="xrandr --output $INTERN $DOINTERN "
119 0aa694e5 2014-05-29 xhr 
120 0aa694e5 2014-05-29 xhr   CMDEXT=
121 0aa694e5 2014-05-29 xhr   i=0
122 0aa694e5 2014-05-29 xhr   for d in ${EXTERN[*]}; do
123 0aa694e5 2014-05-29 xhr     if [ $CFLAG -eq 1 ]; then
124 0aa694e5 2014-05-29 xhr       CMDEXT="${CMDEXT} --output $d ${DOEXTERN} --mode ${RES}"
125 0aa694e5 2014-05-29 xhr     elif [ ! -z $POSITION ]; then
126 0aa694e5 2014-05-29 xhr       if [ $i -eq 0 ]; then
127 0aa694e5 2014-05-29 xhr         CMDEXT="${CMDEXT} --output $d ${DOEXTERN} ${POSITION} $INTERN"
128 0aa694e5 2014-05-29 xhr       else
129 0aa694e5 2014-05-29 xhr         CMDEXT="${CMDEXT} --output $d ${DOEXTERN} ${POSITION} ${EXTERN[i-1]}"
130 0aa694e5 2014-05-29 xhr       fi
131 0aa694e5 2014-05-29 xhr     else
132 0aa694e5 2014-05-29 xhr       CMDEXT="${CMDEXT} --output $d ${DOEXTERN} ${POSITION}"
133 0aa694e5 2014-05-29 xhr     fi
134 0aa694e5 2014-05-29 xhr     i=$(($i + 1))
135 0aa694e5 2014-05-29 xhr   done
136 0aa694e5 2014-05-29 xhr 
137 0aa694e5 2014-05-29 xhr   CMD="$CMD $CMDEXT"
138 0aa694e5 2014-05-29 xhr   [ $VERBOSE -eq 1 ] && {
139 0aa694e5 2014-05-29 xhr     echo "I'll run the following command:" 
140 0aa694e5 2014-05-29 xhr     pg "$CMD"
141 0aa694e5 2014-05-29 xhr   }
142 0aa694e5 2014-05-29 xhr }
143 0aa694e5 2014-05-29 xhr 
144 0aa694e5 2014-05-29 xhr function run_xrandr()
145 0aa694e5 2014-05-29 xhr {
146 77230597 2020-10-28 xhr   echo "$CMD $XRANDROPTS" | bash
147 0aa694e5 2014-05-29 xhr }
148 0aa694e5 2014-05-29 xhr 
149 0aa694e5 2014-05-29 xhr function read_config()
150 0aa694e5 2014-05-29 xhr {
151 0aa694e5 2014-05-29 xhr   if [ -f ${DTCONF} ]; then
152 0aa694e5 2014-05-29 xhr     . ${DTCONF}
153 0aa694e5 2014-05-29 xhr   fi
154 0aa694e5 2014-05-29 xhr }
155 0aa694e5 2014-05-29 xhr 
156 0aa694e5 2014-05-29 xhr function get_last_option()
157 0aa694e5 2014-05-29 xhr {
158 0aa694e5 2014-05-29 xhr   # Check if dtoggle saved the last state
159 0aa694e5 2014-05-29 xhr   if [ -f ${DTSTATE} ]; then
160 0aa694e5 2014-05-29 xhr     . ${DTSTATE}
161 0aa694e5 2014-05-29 xhr   fi
162 0aa694e5 2014-05-29 xhr }
163 0aa694e5 2014-05-29 xhr 
164 0aa694e5 2014-05-29 xhr function write_last_option()
165 0aa694e5 2014-05-29 xhr {
166 0aa694e5 2014-05-29 xhr   echo "STATE=${STATE}" > ${DTSTATE}
167 0aa694e5 2014-05-29 xhr }
168 0aa694e5 2014-05-29 xhr 
169 0aa694e5 2014-05-29 xhr function toggle_option()
170 0aa694e5 2014-05-29 xhr {
171 0aa694e5 2014-05-29 xhr   STATE=$(((${STATE} + 1) % 4))
172 0aa694e5 2014-05-29 xhr }
173 0aa694e5 2014-05-29 xhr 
174 0aa694e5 2014-05-29 xhr function usage()
175 0aa694e5 2014-05-29 xhr {
176 2ff6f616 2014-05-30 xhr   echo "`basename $0` [-ceix] [-hmntv] [-lr] [-p profile]"
177 0aa694e5 2014-05-29 xhr   echo
178 0aa694e5 2014-05-29 xhr   echo "Display Options:"
179 0aa694e5 2014-05-29 xhr   echo " -c           Mirror screen on all displays"
180 0aa694e5 2014-05-29 xhr   echo " -e           Enable external display(s) and disable internal"
181 0aa694e5 2014-05-29 xhr   echo " -i           Enable only the internal display"
182 0aa694e5 2014-05-29 xhr   echo -n " -x           Extend screen to all displays "
183 0aa694e5 2014-05-29 xhr   pg "[default]"
184 0aa694e5 2014-05-29 xhr   echo
185 0aa694e5 2014-05-29 xhr   echo "General Options:"
186 0aa694e5 2014-05-29 xhr   echo " -h           Show this help"
187 0aa694e5 2014-05-29 xhr   echo " -m           Show all available modes"
188 0aa694e5 2014-05-29 xhr   echo " -n           Dry run. Do not run xrand.  Implies -v"
189 0aa694e5 2014-05-29 xhr   echo " -t           Toggle different options"
190 0aa694e5 2014-05-29 xhr   echo " -v           Be more verbose"
191 0aa694e5 2014-05-29 xhr   echo
192 0aa694e5 2014-05-29 xhr   echo "Position:"
193 0aa694e5 2014-05-29 xhr   echo " -l           Display n is left of display (n+1)"
194 0aa694e5 2014-05-29 xhr   echo -n " -r           Display n is right of display (n+1) "
195 0aa694e5 2014-05-29 xhr   pg "[default]"
196 0aa694e5 2014-05-29 xhr   echo
197 0aa694e5 2014-05-29 xhr   echo "Profile:"
198 0aa694e5 2014-05-29 xhr   echo " -p profile   Enable the specified profile"
199 0aa694e5 2014-05-29 xhr   echo
200 0aa694e5 2014-05-29 xhr }
201 0aa694e5 2014-05-29 xhr 
202 0aa694e5 2014-05-29 xhr RED='\e[0;31m'
203 0aa694e5 2014-05-29 xhr GREEN='\e[0;32m'
204 0aa694e5 2014-05-29 xhr BLUE='\e[0;34m'
205 0aa694e5 2014-05-29 xhr NC="\e[0;37;40m"
206 0aa694e5 2014-05-29 xhr 
207 0aa694e5 2014-05-29 xhr function pg()
208 0aa694e5 2014-05-29 xhr {
209 0aa694e5 2014-05-29 xhr   echo -e "${GREEN}${1}${NC}"
210 0aa694e5 2014-05-29 xhr }
211 0aa694e5 2014-05-29 xhr 
212 0aa694e5 2014-05-29 xhr function pr()
213 0aa694e5 2014-05-29 xhr {
214 0aa694e5 2014-05-29 xhr   echo -e "${RED}${1}${NC}"
215 0aa694e5 2014-05-29 xhr }
216 0aa694e5 2014-05-29 xhr 
217 0aa694e5 2014-05-29 xhr CMD=
218 0aa694e5 2014-05-29 xhr PROFILE=
219 0aa694e5 2014-05-29 xhr INTERN=
220 0aa694e5 2014-05-29 xhr RES=
221 0aa694e5 2014-05-29 xhr EXTERN[0]=
222 0aa694e5 2014-05-29 xhr EXTERN[1]=
223 0aa694e5 2014-05-29 xhr EXTERN[2]=
224 0aa694e5 2014-05-29 xhr EXTERN[3]=
225 0aa694e5 2014-05-29 xhr 
226 0aa694e5 2014-05-29 xhr # Clone screen on all displays
227 0aa694e5 2014-05-29 xhr CFLAG=0
228 0aa694e5 2014-05-29 xhr # Enable only external displays
229 0aa694e5 2014-05-29 xhr EFLAG=0
230 0aa694e5 2014-05-29 xhr # Enable only the internal display
231 0aa694e5 2014-05-29 xhr IFLAG=0
232 0aa694e5 2014-05-29 xhr # Toggle different modes
233 0aa694e5 2014-05-29 xhr TFLAG=0
234 0aa694e5 2014-05-29 xhr # Verbosity
235 0aa694e5 2014-05-29 xhr VERBOSE=0
236 0aa694e5 2014-05-29 xhr # Display n is right of display (n+1) [default]
237 0aa694e5 2014-05-29 xhr RIGHTOF=1
238 0aa694e5 2014-05-29 xhr # Additional options for xrandr
239 0aa694e5 2014-05-29 xhr XRANDROPTS=""
240 0aa694e5 2014-05-29 xhr # dtoggle state file
241 9583970e 2014-05-29 xhr DTSTATE=$HOME/.dtoggle
242 0aa694e5 2014-05-29 xhr # dtoggle state file
243 9583970e 2014-05-29 xhr DTCONF=$HOME/.dtoggle.conf
244 0aa694e5 2014-05-29 xhr # Default status
245 0aa694e5 2014-05-29 xhr STATE=0
246 0aa694e5 2014-05-29 xhr # Connected displays. Stolen from ArchLinux wiki
247 6ee453d0 2022-01-04 xhr CONNDIS=$(xrandr | grep " connected" | awk '{ printf("%s ", $1)  }')
248 0aa694e5 2014-05-29 xhr 
249 2ff6f616 2014-05-30 xhr while getopts "ciehmnrlp:vxt" opt; do
250 0aa694e5 2014-05-29 xhr   case $opt in
251 0aa694e5 2014-05-29 xhr     c)
252 0aa694e5 2014-05-29 xhr       CFLAG=1
253 0aa694e5 2014-05-29 xhr       ;;
254 0aa694e5 2014-05-29 xhr     i)
255 0aa694e5 2014-05-29 xhr       IFLAG=1
256 0aa694e5 2014-05-29 xhr       ;;
257 0aa694e5 2014-05-29 xhr     e)
258 0aa694e5 2014-05-29 xhr       EFLAG=1
259 0aa694e5 2014-05-29 xhr       ;;
260 0aa694e5 2014-05-29 xhr     t)
261 0aa694e5 2014-05-29 xhr       TFLAG=1
262 0aa694e5 2014-05-29 xhr       ;;
263 0aa694e5 2014-05-29 xhr     v)
264 0aa694e5 2014-05-29 xhr       VERBOSE=1
265 0aa694e5 2014-05-29 xhr       ;;
266 0aa694e5 2014-05-29 xhr     n)
267 0aa694e5 2014-05-29 xhr       XRANDROPTS="--dryrun"
268 0aa694e5 2014-05-29 xhr       VERBOSE=1
269 0aa694e5 2014-05-29 xhr       ;;
270 0aa694e5 2014-05-29 xhr     r)
271 0aa694e5 2014-05-29 xhr       RIGHTOF=1
272 0aa694e5 2014-05-29 xhr       ;;
273 0aa694e5 2014-05-29 xhr     l)
274 0aa694e5 2014-05-29 xhr       RIGHTOF=0
275 0aa694e5 2014-05-29 xhr       ;;
276 0aa694e5 2014-05-29 xhr     m)
277 0aa694e5 2014-05-29 xhr 	  pg "Connected Displays"
278 0aa694e5 2014-05-29 xhr 	  echo -n "  "
279 0aa694e5 2014-05-29 xhr 	  echo $CONNDIS
280 0aa694e5 2014-05-29 xhr 	  pg "Available Modes"
281 0aa694e5 2014-05-29 xhr 	  echo -n "  "
282 0aa694e5 2014-05-29 xhr 	  exec xrandr -q
283 0aa694e5 2014-05-29 xhr       ;;
284 0aa694e5 2014-05-29 xhr     x)
285 0aa694e5 2014-05-29 xhr       # Do nothing here since its the default
286 0aa694e5 2014-05-29 xhr       ;;
287 0aa694e5 2014-05-29 xhr     p)
288 0aa694e5 2014-05-29 xhr       [ ! -z "$OPTARG" ] && PROFILE=$OPTARG
289 0aa694e5 2014-05-29 xhr       ;;
290 0aa694e5 2014-05-29 xhr     h)
291 0aa694e5 2014-05-29 xhr       usage
292 0aa694e5 2014-05-29 xhr       exit 1
293 0aa694e5 2014-05-29 xhr       ;;
294 0aa694e5 2014-05-29 xhr     *)
295 0aa694e5 2014-05-29 xhr       usage
296 0aa694e5 2014-05-29 xhr       pr "Option not found"
297 0aa694e5 2014-05-29 xhr       exit 1
298 0aa694e5 2014-05-29 xhr       ;;
299 0aa694e5 2014-05-29 xhr   esac
300 0aa694e5 2014-05-29 xhr done
301 0aa694e5 2014-05-29 xhr 
302 0aa694e5 2014-05-29 xhr if [ $((CFLAG + $IFLAG + $EFLAG)) -gt 1 ]; then
303 0aa694e5 2014-05-29 xhr   usage
304 0aa694e5 2014-05-29 xhr   pr "Please specify either -c or -e or -i"
305 0aa694e5 2014-05-29 xhr   exit 1
306 0aa694e5 2014-05-29 xhr fi
307 0aa694e5 2014-05-29 xhr 
308 0aa694e5 2014-05-29 xhr read_config
309 0aa694e5 2014-05-29 xhr 
310 0aa694e5 2014-05-29 xhr if [ ${TFLAG} -eq 1 ]; then
311 0aa694e5 2014-05-29 xhr   get_last_option
312 0aa694e5 2014-05-29 xhr   toggle_option
313 0aa694e5 2014-05-29 xhr   write_last_option
314 0aa694e5 2014-05-29 xhr fi
315 0aa694e5 2014-05-29 xhr 
316 0aa694e5 2014-05-29 xhr choose_profile $PROFILE
317 0aa694e5 2014-05-29 xhr run_xrandr
318 0aa694e5 2014-05-29 xhr 
319 0aa694e5 2014-05-29 xhr exit $?