diff options
Diffstat (limited to 'bin/menuscripts')
| -rwxr-xr-x | bin/menuscripts/commander | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/bin/menuscripts/commander b/bin/menuscripts/commander new file mode 100755 index 0000000..3f26429 --- /dev/null +++ b/bin/menuscripts/commander @@ -0,0 +1,261 @@ +#!/bin/sh + +# An attempt to unify usage of multiple launchers. +# MENUCMD must be set to the name of the lancher +# +# look at the last line to understand how it works + +### TODO +# instead of dynamic, provide a command to set width and height manually + +tmp="$(mktemp -u)" +export menuopts="" +TOFIRC="$HOME/.config/tofi/config" + +options=' +horizontal +height +center +input +instant +long +prompt +numbered +prefix +width' + +cleanup() { rm -f "$tmp"; } + +logn() { >&2 printf '%s\n' "$@"; } +die() { logn "$@"; exit 1; } + +help() { + >&2 cat <<-EOF + Usage: commander OPTIONS... + + An attempt to regroup multiple launchers into one, + it detects the value of the MENUCMD variable + + try: + MENUCMD=tofi commander < /etc/passwd + + Options: + -h Display items horizontally + -c Display centered + -i Take an input and return it to stdout + -p ARG Prompt user with the specified argument + -l Display in long list format + -n Output the number of matches + -r Select an executable from PATH + -1 Invert instant select on single match + -y ARG Use specified height + -w ARG Use specified width + -x Invert prefix matching + EOF +} + +add_option() { menuopts="$menuopts $*"; } +get_prop() { awk -F '=' "/$1 *=*/ {print \$2}" "$TOFIRC"; } + + +trap cleanup EXIT + +# Helper functions +case "$MENUCMD" in + tofi) + ### Get a height based on a number of items + # $1: max items count + get_height() + { + font_size="$(get_prop "font-size")" + padding_top="$(get_prop "padding-top")" + padding_bottom="$(get_prop "padding-bottom")" + + printf "%s" "$(( + font_size*2 + padding_top + padding_bottom + 2 + + ($1)*(font_size*2 - 2) + ))" + + } + ### Get a width based on a maximum character length + # $1: max character length + get_width() + { + font_size="$(get_prop "font-size")" + padding_left="$(get_prop "padding-left")" + padding_right="$(get_prop "padding-right")" + printf "%s" "$(($1*(font_size-2) + 3 + padding_left + padding_right))" + } ;; + *) ;; +esac + + +main() +{ + # shellcheck disable=SC2317 + case "$MENUCMD" in + tofi) + center() { add_option "--anchor=center --width=252"; } + + horizontal() { + add_option "--horizontal=true --height=32" + add_option "--result-spacing=12" + add_option "--selection-background=#88c0d0" + add_option "--selection-background-padding=6,4" + add_option "--padding-top=0 --padding-bottom=0" + add_option "--margin-top=4" + } + + long() { add_option "--width=100% --height=$(get_height 20)"; } + + input() { + add_option "--height=$(get_height 0) --width=$(get_width 24)" + pre_filter() { cat /dev/null; } + } + + prefix() { add_option '--matching-algorithm=normal'; } + + instant() { add_option "--auto-accept-single=false"; } + + prompt() { add_option '--prompt-text' "$prompt_arg"; } + + numbered() { + pre_filter() { awk '{print NR, $0}'; } + post_filter() { awk '{print $1}'; } + } + + height() { add_option "--height=$(get_height "$height_arg")"; } + width() { add_option "--width=$(get_width "$width_arg")"; } + + run() { tofi-run $*; } + + menucmd() { tofi "$@"; } ;; + + dmenu) + horizontal() { add_option "-l 0"; } + + center() { add_option "-c"; } + + long() { add_option "-l 20 -g 1"; } + + input() { + pre_filter() { cat /dev/null; } + } + + instant() { add_option "-n"; } + + prefix() { add_option '-x -i'; } + + prompt() { add_option '-p' "$prompt_arg"; } + + numbered() { add_option "-px"; } + + + height() { add_option "-l $height_arg"; } + width() { add_option "-g $width_arg"; } + + run() { dmenu_path | dmenu $*; } + + menucmd() { dmenu $*; } ;; + + fzf) + center() { :; } + horizontal() { :; } + long() { :; } + height() { :; } + width() { :; } + instant() { :; } + prefix() { :; } + + input() { + pre_filter() { cat /dev/null; } + add_option '--print-query' + } + + prompt() { add_option "--prompt" "$prompt_arg"; } + + numbered() { + pre_filter() { awk '{print NR, $0}'; } + add_option '--with-nth' '2..' + post_filter() { awk '{print $1}'; } + } + + run() { + IFS=: + set -f + find -L $PATH -type f -printf "%f\n" 2> /dev/null | sort -u | fzf $* + } + + menucmd() { fzf -0 -1 "$@"; } ;; + + *) ;; + esac + + for option in $options + do eval "$option=0" + done + + while getopts ":cdhilop:nr1w:xy:v" opt + do + # shellcheck disable=SC2034 + case $opt in + + # display horizontal + h) horizontal=1 ;; + # display centered + c) center=1 ;; + # take an input and return it on stdout + i) input=1 ;; + # adjust size and style dynamically + p) prompt=1; prompt_arg="$OPTARG";; + # long list format + l) long=1 ;; + # output number of match + n) numbered=1 ;; + # select an executable from PATH + r) run=1 ;; + # invert instant select on single match + 1) instant=1 ;; + w) width=1; width_arg="$OPTARG" ;; + # invert prefix matching + x) prefix=1 ;; + y) height=1; height_arg="$OPTARG" ;; + + :) die "Option '-$OPTARG' requires an argument" ;; + ?) die "Invalid option: -$OPTARG" ;; + esac + done + + # quit if stdin is empty + [ -t 0 ] && [ "${run:-0}" -eq 0 ] && [ "$input" -eq 0 ] && help && exit 1 + + # call options + for option in $options + do eval "test \"\$$option\" -eq 1" && $option + done + + if [ "$run" ] + then + run "$menuopts" + exit + fi + + command -v pre_filter > /dev/null || pre_filter() { cat; } + command -v post_filter > /dev/null || post_filter() { cat; } + + ! which "${MENUCMD:-fzf}" > /dev/null && die "MENUCMD '$MENUCMD' was not found." + + if command -v pre_cmd > /dev/null + then + pre_cmd > "$tmp" + logn "menuopts: $menuopts" + # shellcheck disable=SC2086 + pre_filter < "$tmp" | menucmd $menuopts | post_filter + else + logn "menuopts: $menuopts" + # shellcheck disable=SC2086 + pre_filter | menucmd $menuopts | post_filter + fi +} + +main "$@" |