77 lines
2.5 KiB
Bash
Executable File
77 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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################################################################################
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#
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# Small script using `xrandr` and `fzf` to quickly select connected monitors.
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#
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# TODO:
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# - Add possibility to not only mirror onto all outputs but use the total
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# screen space.
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################################################################################
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command -v xrandr &>/dev/null || exit 1
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command -v fzf &>/dev/null || exit 1
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xrandr_q="$(xrandr -q)"
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# Get outputs currently in use as regex matching either one (e.g. `HDMI-0|DP-0`)
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in_use="$( <<<"$xrandr_q" \
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tac | # Reverse for non-greedy matches
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sed -En '/\*/,/ connected/p' | # lines from selected config to it's name
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grep -Po '^.*(?= connected)' | # only the name
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tr '\n' '|' # format into regex
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)"
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in_use="${in_use%|}" # remove trailing `|`
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# Get all outputs in a table in the form `<name> <res> [*]`
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formatted="$(<<<"$xrandr_q" \
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grep -wA1 connected | # output line and highest res
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awk '{ print $1 }' | # only name and resolution
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grep -ve -- | # remove grep's match separator
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paste - - | # join name and res
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sed -E "s/($in_use).*/&\t*/" | # append `*` to all in-use
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column -t # tabularize
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)"
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# Select all outputs to-use
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selected=( $(<<<"$formatted" \
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fzf -m --cycle --header "Select outputs" | # select
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cut -d' ' -f1 # only output name
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) )
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# Abort if nothing was selected
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(( ${#selected[@]} )) || exit 1
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# Regex to match either one of the selected outputs
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selected_regex="$(<<<"${selected[@]}" tr ' ' '|')"
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# Gather non-selected outputs
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non_selected=( $(<<<"$xrandr_q" \
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grep connected | # list lines with output ({,dis}connected)
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grep -Ev "$selected_regex" | # filter out selected ones
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cut -d' ' -f1 # only output name
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) )
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# Choose primary
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primary="$(<<<"$formatted" \
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grep -E "$selected_regex" | # use formatted for more information
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fzf --cycle --select-1 --header "Select primary" |
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cut -d' ' -f1 # name only
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)"
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[[ $primary ]] || exit 1
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# Build the `xrandr` command
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xrandr_cmd=(xrandr)
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for out in "${selected[@]}"; do
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xrandr_cmd+=(--output "$out" --rotate normal --auto)
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[[ $out != $primary ]] || xrandr_cmd+=(--primary)
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done
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for out in "${non_selected[@]}"; do
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xrandr_cmd+=(--output "$out" --off)
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done
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# Print for debugging purposes and finally execute it
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printf "%s\n" "${xrandr_cmd[*]}"
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"${xrandr_cmd[@]}"
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