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127 lines
3.4 KiB
Bash
127 lines
3.4 KiB
Bash
#!/bin/bash
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# setdisplay
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# A simple script to configure X and PulseAudio with predefined profiles.
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### Usage
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# setdisplay [PROFILE]
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# Configure X with the specified profile, but don't change the audio profile.
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# setdisplay -a [PROFILE]
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# Configure X with the specified profile and change the audio profile to match it.
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function call_xrandr() {
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xrandr_opts=''
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for display in "${!display_configurations[@]}"; do
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echo "Setting ${display} to ${display_configurations[$display]}"
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xrandr_opts="${xrandr_opts} --output ${display} ${display_configurations[$display]}"
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done
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# Word splitting here is important, so it's not in quotes.
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xrandr $xrandr_opts
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}
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function display_config() {
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display_name="$1"
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display_config="$2"
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if [[ ${display_configurations[$display_name]} = '' ]]; then
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echo "Tried to configure invalid display ${display_name}."
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exit 1
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fi
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if [[ ${connected_displays[$display_name]} != 'yes' ]]; then
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echo "Tried to configure disconnected display ${display_name}."
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exit 1
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fi
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display_configurations[$display_name]="$display_config"
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}
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function guess_output_from_class() {
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display_class="$1"
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canonical_display_name=''
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for display in "${!display_configurations[@]}"; do
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if [[ ( $display == ${display_class}* ) && \
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( "${connected_displays[$display]}" == 'yes' ) ]]; then
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if [[ $canonical_display_name == '' ]]; then
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canonical_display_name="$display"
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else
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echo "Multiple displays of class ${display_class} are connected. Quitting."
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exit 1
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fi
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fi
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done
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if [[ $canonical_display_name == '' ]]; then
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echo "No displays of class ${display_class} found. Quitting."
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exit 1
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fi
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echo "$canonical_display_name"
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}
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declare -A display_configurations
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declare -A connected_displays
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if [ "$1" = '-a' ]; then
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switch_audio='yes'
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display_profile="$2"
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else
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display_profile="$1"
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fi
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while read -r display_line; do
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display_name="$(echo "$display_line" | cut -d " " -f 1)"
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if [[ "$(echo "$display_line" | cut -d " " -f 2)" = 'connected' ]]; then
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connected_displays[$display_name]='yes'
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else
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connected_displays[$display_name]='no'
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fi
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display_configurations[$display_name]=' --off'
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done <<< "$(xrandr | grep connected)"
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# TODO: These cases can probably just be read from input now.
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case $display_profile in
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'lvds-hdmi')
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hdmi_display="$(guess_output_from_class "HDMI")"
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display_config 'LVDS1' '--primary --mode 1366x768'
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display_config "$hdmi_display" '--mode 1280x720 --above LVDS1'
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audio_profile='output:hdmi-stereo'
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;;
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'hdmi')
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hdmi_display="$(guess_output_from_class "HDMI")"
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display_config "$hdmi_display" '--primary --mode 1280x720'
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audio_profile='output:hdmi-stereo'
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;;
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'lvds')
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display_config 'LVDS1' '--primary --mode 1366x768'
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audio_profile='output:analog-stereo'
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;;
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# This is intended to be a quick rescue mode.
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'')
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display_config 'LVDS1' '--primary --mode 1366x768'
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audio_profile='output:analog-stereo'
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;;
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*)
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echo "No profile ${display_profile} has been defined."
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exit 1
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;;
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esac
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call_xrandr
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if [ "$switch_audio" = 'yes' ]; then
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# TODO: Figure out how to remove this dependency.
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ponymix -c 0 set-profile "${audio_profile}"
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fi
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