52 lines
1.6 KiB
Plaintext
52 lines
1.6 KiB
Plaintext
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#!/bin/bash
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# preferred order of monitors (highest to lowest priority)
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order=(DP HDMI)
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# preferred position of monitors (relative to previsous monitor in $order)
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position=${1:-above}
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# maximum number of monitors to use (only names from $order will be used)
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max=10
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if [[ "$1" = -h || "$1" = --help ]]; then
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echo "Usage: $(basename "$0") [position]" >&2
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exit
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fi
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connected=($(xrandr | grep ' connected ' | cut -f 1 -d ' '))
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options=()
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for choice in ${order[@]}; do
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# iterate over the indices of the connected monitors
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for monitor in ${!connected[@]}; do
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if [[ ${connected[$monitor]} =~ $choice ]]; then
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if [[ ${#options[@]} -eq 0 ]]; then
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# set first match from $order as primary monitor
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options=(--output ${connected[$monitor]} --auto --primary)
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else
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# put monitor in $position of the $last one
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options=(${options[@]} --output ${connected[$monitor]} --auto --$position $last)
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fi
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# remember this monitor to position the next one
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last=${connected[$monitor]}
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# delete this monitor from the list of connected monitors
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unset connected[$monitor]
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connected=(${connected[@]})
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# count down the number of monitors that is desired at most
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((max--))
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if [[ $max -eq 0 ]]; then
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break 2
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else
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break
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fi
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fi
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done
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done
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# let xrandr turn all disconnected monitors off (just in case) and also all
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# connected monitors that where above the maximum number of desired monitors
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for disconnected in $(xrandr | grep disconnected | cut -f 1 -d ' ') ${connected[@]}; do
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options=(${options[@]} --output $disconnected --off)
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done
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xrandr --verbose ${options[@]}
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