summarylogtreecommitdiffstats
path: root/acpi-eeepc-generic-toggle-displays.sh
diff options
context:
space:
mode:
Diffstat (limited to 'acpi-eeepc-generic-toggle-displays.sh')
-rw-r--r--acpi-eeepc-generic-toggle-displays.sh253
1 files changed, 253 insertions, 0 deletions
diff --git a/acpi-eeepc-generic-toggle-displays.sh b/acpi-eeepc-generic-toggle-displays.sh
new file mode 100644
index 00000000000..e0dd0f21a0d
--- /dev/null
+++ b/acpi-eeepc-generic-toggle-displays.sh
@@ -0,0 +1,253 @@
+#!/bin/bash
+# Copyright 2009 Nicolas Bigaouette
+# This file is part of acpi-eeepc-generic.
+# http://code.google.com/p/acpi-eeepc-generic/
+#
+# acpi-eeepc-generic 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.
+#
+# acpi-eeepc-generic 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 acpi-eeepc-generic. If not, see <http://www.gnu.org/licenses/>.
+#
+# Toggle between available displays using xrandr
+#
+
+. /etc/acpi/eeepc/acpi-eeepc-generic-functions.sh
+
+xrandr=`which xrandr`
+if [ ! -e "$xrandr" ]; then
+ msg="Please install xorg-server-utils to be able
+to use xrandr."
+ eeepc_notify "$msg" display
+ logger "$msg"
+ echo "$msg"
+ exit 0
+fi
+
+var_xrandr="$EEEPC_VAR/xrandr.log"
+xrandr > $var_xrandr
+
+current=$(grep -B 1 "*" $var_xrandr | head -n 1 | awk '{print ""$1""}')
+
+connected=$(grep " connected " $var_xrandr | awk '{print ""$1""}')
+disconnected=$(grep " disconnected " $var_xrandr | awk '{print ""$1""}')
+all="$connected $disconnected"
+
+name_lvds=$(grep -i connected $var_xrandr | grep -i lvds | awk '{print ""$1""}')
+name_vga=""
+
+if [ "x`echo $connected | grep -i VGA`" == "x" ]; then
+ vga_connected="no"
+else
+ vga_connected="yes"
+ name_vga=$(grep -i connected $var_xrandr | grep -i vga | awk '{print ""$1""}')
+ vga_max_res=$(grep ${name_vga} -A 1 $var_xrandr | grep -v ${name_vga} | awk '{print ""$1""}')
+fi
+lvds_max_res=$(grep ${name_lvds} -A 1 $var_xrandr | grep -v ${name_lvds} | awk '{print ""$1""}')
+
+# Define XRandR commands for each modes
+xrandr_lvds="$xrandr --output ${name_lvds} --auto --output ${name_vga} --off"
+xrandr_clone="$xrandr --output ${name_lvds} --auto --output ${name_vga} --auto"
+xrandr_vga="$xrandr --output ${name_lvds} --off --output ${name_vga} --auto"
+#xrandr_vga_and_lvds="$xrandr --output LVDS --auto --output ${name_vga} --auto --${COMMANDS_XRANDR_TOGGLE_VGA} ${name_lvds}"
+xrandr_vga_and_lvds="$xrandr --auto --output ${name_vga} --mode ${vga_max_res} --${COMMANDS_XRANDR_TOGGLE_VGA} ${name_lvds}"
+
+xrandr_lvds_name="Laptop screen only"
+xrandr_clone_name="Clone"
+xrandr_vga_name="VGA only"
+xrandr_vga_and_lvds_name="VGA (${COMMANDS_XRANDR_TOGGLE_VGA/-/ }) laptop screen"
+
+
+# Available modes and their name. Needs first to contain only LVDS.
+modes=("${xrandr_lvds}" "${xrandr_lvds_name}")
+# Now get the other available modes from the config file.
+j=2
+for ((i=0 ; i < ${#XRANDR_AVAILABLE_MODES[*]} ; i++)); do
+ mode=${XRANDR_AVAILABLE_MODES[i]}
+ case ${mode} in
+ "clone")
+ modes[j]="${xrandr_clone}"
+ modes[j+1]="${xrandr_clone_name}"
+ j=$(($j+2))
+ ;;
+ "vga")
+ modes[j]="${xrandr_vga}"
+ modes[j+1]="${xrandr_vga_name}"
+ j=$(($j+2))
+ ;;
+ "both")
+ modes[j]="${xrandr_vga_and_lvds}"
+ modes[j+1]="${xrandr_vga_and_lvds_name}"
+ j=$(($j+2))
+ ;;
+ esac
+done
+
+
+# Get the number of modes of LVDS
+lvds_nb_modes=$((`sed -n '/LVDS/,//p' $var_xrandr | wc -l` - 1))
+# What is the actual LVDS mode?
+actual_mode_lvds=`sed -n '/LVDS/,//p' $var_xrandr | grep "*" | awk '{print ""$1""}'`
+# Get the position of LVDS
+position_lvds=(`grep ${name_lvds} $var_xrandr | awk '{print ""$3""}' | sed "s|[0-9]*x[0-9]*+\(.*\)+\(.*\)|\1 \2|g"`)
+
+#################################################################
+function get_mode_index() {
+ detected_name="$1"
+ detected_i=0
+ for ((i=0 ; i < ${#modes[*]} ; i++)); do
+ if [[ "${modes[i]}" == "${detected_name}" ]]; then
+ detected_i=i
+ break
+ fi
+ done
+ # Name is detected. But we want the index of the mode command.
+ echo $(($detected_i - 1))
+}
+
+# Assume we are actually at modes[0] (LVDS only)
+m=0
+
+# If VGA is connected, check its mode, its parameters, etc.
+if [[ "$vga_connected" = "yes" ]]; then
+ #echo "VGA connected. Trying to detect which configuration..."
+
+ # Get the number of modes of VGA
+ vga_nb_modes=$((`sed -n '/VGA/,/LVDS/p' $var_xrandr | wc -l` - 2))
+ # What is the actual VGA mode?
+ actual_mode_vga=`sed -n '/VGA/,/LVDS/p' $var_xrandr | grep "*" | awk '{print ""$1""}'`
+ # Get the position of VGA
+ position_vga=(`grep VGA $var_xrandr | awk '{print ""$3""}' | sed "s|[0-9]*x[0-9]*+\(.*\)+\(.*\)|\1 \2|g"`)
+
+ # If the position is detected (and awk/sed of previous line does not
+ # return a bogus value of '(normal'), detect which mode we actually use.
+ if [ "${position_vga}" != "(normal" ]; then
+ # Detect if we are at mode clone
+ if [[ \
+ "${position_lvds[0]}" == "0" && \
+ "${position_lvds[1]}" == "0" && \
+ "${position_vga[0]}" == "0" && \
+ "${position_vga[1]}" == "0" ]]; then
+ m=`get_mode_index "${xrandr_clone_name}"`
+ # Detect if we are at mode VGA only
+ elif [ "${position_lvds}" == "(normal" ]; then
+ m=`get_mode_index "${xrandr_vga_name}"`
+ # Detect if we are at mode VGA + LVDS
+ else
+ m=`get_mode_index "${xrandr_vga_and_lvds_name}"`
+ fi
+ m=$(($m/2))
+ fi
+fi
+
+#################################################################
+function display_toggle() {
+ mc=$(($m*2)) # Index of mode's command
+ mn=$(($m*2 + 1)) # Index of mode's name
+ prev_mc=$(($m*2)) # Index of (previous) mode's command
+ prev_mn=$(($m*2 + 1)) # Index of (previous) mode's name
+ echo "Actual mode is ${modes[$mn]} (m=$m)"
+
+ if [ "$1" == "" ]; then
+ # We are at mode "m", go to next mode
+ m=$(($m + 1))
+ mc=$((mc + 2))
+ # Check for round-up
+ if [ "$mc" == "${#modes[*]}" ]; then
+ m=0
+ mc=0
+ fi
+ else
+ echo "Called with: $1"
+ m=$((`get_mode_index "$1"`/2))
+ mc=$(($m*2))
+ fi
+ mn=$(($mc + 1))
+
+ echo "Next mode will be ${modes[$mn]} (m=$m)"
+
+ xrandr_cmd="${modes[$mc]}"
+ echo "xrandr_cmd = ${xrandr_cmd}"
+# return
+
+ if [ "${prev_mc}" == "${mc}" ]; then
+ eeepc_notify "Display already in '${modes[$mn]}' mode" video-display
+ return
+ fi
+
+ # If next mode is 0 (LVDS only), we really want to go there,
+ # whatever the state of the VGA is.
+ if [ "$m" == "0" ]; then
+ eeepc_notify "Changing display mode to: ${modes[$mn]}" video-display 10000
+ execute_commands "${xrandr_cmd}"
+ else
+ # Else, we check if VGA is connected: it does not make sense
+ # to activate it if it's not present.
+ if [ "$vga_connected" == "yes" ]; then
+ eeepc_notify "Changing display mode to '${modes[$mn]}' mode" video-display 10000
+ execute_commands "${xrandr_cmd}"
+ else
+ # If VGA is not connected, don't do anything
+ eeepc_notify "VGA not connected: not going to '${modes[$mn]}' mode" video-display
+ return
+ fi
+ fi
+
+}
+
+#################################################################
+function display_debug() {
+ echo "Modes (${#modes[*]}):"
+ for ((i=0 ; i < ${#modes[*]} ; i=i+2)); do
+ echo "${modes[i+1]}: ${modes[i]}"
+ done
+
+ echo "All: ${all}"
+ echo "Connected: ${connected}"
+ echo "Disconnected: ${disconnected}"
+ echo "vga_connected = $vga_connected"
+ echo "current = $current"
+
+ echo "vga_nb_modes = $vga_nb_modes"
+ echo "lvds_nb_modes = $lvds_nb_modes"
+ echo "actual_mode_vga = $actual_mode_vga"
+ echo "actual_mode_lvds = $actual_mode_lvds"
+
+ echo "position_lvds = ${position_lvds[*]}"
+ echo "position_vga = ${position_vga[*]}"
+
+ xrandr
+
+ exit
+}
+
+#################################################################
+case $1 in
+ lvds|Lvds|LVDS)
+ display_toggle "${xrandr_lvds_name}"
+ ;;
+ clone|Clone|CLONE)
+ display_toggle "${xrandr_clone_name}"
+ ;;
+ vga|Vga|VGA)
+ display_toggle "${xrandr_vga_name}"
+ ;;
+ vga_and_lvds|both|Both|BOTH)
+ display_toggle "${xrandr_vga_and_lvds_name}"
+ ;;
+ debug|Debug|DEBUG)
+ display_debug
+ ;;
+ *)
+ display_toggle
+ ;;
+esac
+
+### End of file #################################################