mirror of
https://forge.katzen.cafe/schrottkatze/nix-configs.git
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88 lines
2.4 KiB
Bash
88 lines
2.4 KiB
Bash
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# Copy-pasted from https://raw.githubusercontent.com/BarbUk/menu-qalc/master/%3D
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# I hope this is even legal but OH WELL
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# https://github.com/onespaceman/menu-calc
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# Calculator for use with rofi/dmenu(2)
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# Copying to the clipboard requires xclip
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usage() {
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echo "$(tput bold)menu-calc$(tput sgr0)"
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echo "A calculator for Rofi/dmenu(2)"
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echo
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echo "$(tput bold)Usage:$(tput sgr0)"
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echo " = 4+2"
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echo " = (4+2)/(4+3)"
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echo " = 4^2"
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echo " = sqrt(4)"
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echo " = c(2)"
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echo
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echo "$(tput bold)Force Rofi/dmenu(2):$(tput sgr0)"
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echo "By default, if rofi exists, it will be used. To force menu-calc to"
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echo "use one or the other, use the --dmenu argument"
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echo
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echo " = --dmenu=<dmenu_executable>"
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echo
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echo "$(tput bold)Passing arguments to Rofi/dmenu(2):$(tput sgr0)"
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echo "Any parameters after ' -- ' will be passed to Rofi/dmenu(2)."
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echo
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echo " = -- <Rofi/dmenu(2) args>"
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echo
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echo "The answer can be copied to the clipboard and used for further calculations inside (or outside) Rofi/dmenu."
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echo
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echo "If launched outside of Rofi/dmenu the expression may need quotation marks."
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exit
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}
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# Process CLI parameters
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for var in "$@"
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do
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case $var in
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-h|--help) usage ;;
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-d=*|--dmenu=*)
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menu=$(echo $var | cut -d'=' -f 2);
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;;
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--) break ;;
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esac
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done
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# Grab the answer
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if [ -n "$1" ]; then
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answer=$(echo "$1" | qalc +u8 -color=never -terse | awk '!/^>/ && !/^$/ {gsub(/^[ \t]+|[ \t]+$/, "", $0); print}')
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fi
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# Path to menu application
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if [ -z "${menu+1}" ]; then
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if [[ -n $(command -v rofi) ]]; then
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menu="$(command -v rofi)"
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elif [[ -n $(command -v dmenu) ]]; then
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menu=$(command -v dmenu)
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else
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>&2 echo "Rofi or dmenu not found"
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exit
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fi
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fi
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# If using rofi, add the necessary parameters
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if [[ $menu == "rofi" || $menu == $(command -v rofi) ]]; then
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menu="$menu -dmenu -lines 3"
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elif [[ $menu == "dmenu" || $menu == $(command -v dmenu) ]]; then
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menu="$menu ""$DMENU_OPTIONS"
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fi
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# Determine args to pass to dmenu/rofi
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while [[ $# -gt 0 && $1 != "--" ]]; do
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shift
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done
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[[ $1 == "--" ]] && shift
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action=$(echo -e "Copy to clipboard\nClear\nClose" | $menu "$@" -p "= $answer")
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case $action in
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"Clear") $0 ;;
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"Copy to clipboard") echo -n "$answer" | xclip -selection clipboard ;;
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"Close") ;;
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"") ;;
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*) $0 "$answer $action" "--dmenu=$menu" "--" "$@" ;;
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esac
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