dots

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wp.sh (4496B)

      1 #!/bin/sh
      2 #
      3 # wp
      4 
      5 ALPHA=0.95
      6 # wp is sym link
      7 WP="${XDG_DATA_HOME:-${HOME}/.local/share/}/wp"
      8 # 16 colors generated by pywal
      9 COLORS="${XDG_CACHE_HOME:-${HOME}/.cache/}/wal/colors.sh"
     10 # term fg
     11 DEFAULTFG=259
     12 # xresources handles suckless vars
     13 XRESOURCES="${XDG_CONFIG_HOME:-${HOME}/.config/}/x/xresources"
     14 # file holding system color state
     15 COLOR="${XDG_CACHE_HOME:-${HOME}/.cache/}/dots/color"
     16 # gray wp dir
     17 GRAY_DIR="${XDG_CACHE_HOME:-${HOME}/.cache/}/dots/gray/"
     18 
     19 # get random valid file in dir
     20 get_rand_file() {
     21     # get all files in dir
     22     files="$(for file in "${1}"/*; do
     23                 [ -d "${file}" ] && continue
     24                 printf '%s\n' "${file}"
     25             done)"
     26 
     27     # loop until valid file found
     28     file=''
     29     while ! check_file "${file}"; do
     30         # get random file and remove it from list
     31         file="$(printf '%s' "${files}" | awk 'BEGIN{ srand() } { printf "%f %s\n", rand(), $0 }' | sort | cut -d ' ' -f 2 | head -n 1)"
     32         files="$(printf '%s' "${files}" | grep -iv "${file}")"
     33 
     34         # break if no more files to check
     35         [ -z "${files}" ] && break
     36     done
     37 
     38     # no files in dir are valid
     39     if ! check_file "${file}"; then file=''; fi
     40 
     41     if [ -z "${file}" ]; then return 1
     42     else return 0
     43     fi
     44 }
     45 
     46 check_file () {
     47     # get file extension
     48     file="${1}"
     49     ext="${file##*.}"
     50 
     51     case "${ext}" in
     52         # formats supported by imlib2 used by feh, sxiv, etc.
     53         bmp  \
     54       | dib  \
     55       | ff   \
     56       | gif  \
     57       | ico  \
     58       | iff  \
     59       | jfi  \
     60       | jfif \
     61       | jif  \
     62       | jpe  \
     63       | jpeg \
     64       | jpg  \
     65       | lbm  \
     66       | png  \
     67       | pnm  \
     68       | tga  \
     69       | tif  \
     70       | tiff \
     71       | webp \
     72       | xpm) return   ;;
     73         *)   return 1 ;;
     74     esac
     75 }
     76 
     77 wp () {
     78     # get system color state (0 = grayscale, 1 = rgb)
     79     mode="$(cat "${COLOR}")"
     80 
     81     # rgb
     82     if [ "${mode}" -eq 1 ]; then
     83         # create wp sym link as normal
     84         ln -sf "${file}" "${WP}"
     85     else
     86         # gen grayscale wp
     87         ext="${file##*.}"
     88         gray="${GRAY_DIR}/$(basename "${file%.*}-gray.${ext}")"
     89         if [ -e "${GRAY_DIR}" ]; then
     90             rm -rf "${GRAY_DIR}"
     91             mkdir "${GRAY_DIR}"
     92         fi
     93         magick "${file}" -colorspace Gray "${gray}" >/dev/null 2>&1
     94 
     95         # use grayscale wp as normal symlink and color wp as bak
     96         ln -sf "${gray}" "${WP}"
     97         ln -sf "${file}" "${WP}.bak"
     98     fi
     99 
    100     # change bg
    101     feh --no-fehbg --bg-scale "${WP}"
    102 
    103     # theme iff pywal installed
    104     command -v wal >/dev/null && theme
    105 }
    106 
    107 theme() {
    108     # remove cached themes
    109     wal -c
    110 
    111     # gen new theme with wpg (uses pywal)
    112     wpg -a "${file}" && wpg -ns "${file}"
    113 
    114     [ -f "${COLORS}" ] && . "${COLORS}"
    115 
    116     set -- "${color0}" "${color1}" "${color2}" "${color3}" "${color4}" "${color5}" "${color6}" "${color7}" \
    117            "${color8}" "${color9}" "${color10}" "${color11}" "${color12}" "${color13}" "${color14}" "${color15}"
    118 
    119     # replace colors in xresources
    120     i=0
    121     for color in "${@}"; do
    122         color="$(printf '%s' "${color}" | tr '[:upper:]' '[:lower:]')"
    123         printf '%s\n' "$(sed "s/#define col${i} .*/#define col${i} ${color}/" "${XRESOURCES}")" > "${XRESOURCES}"
    124         i=$((i+1))
    125         [ ${i} -eq 16 ] && break
    126     done
    127 
    128     # reload xresources
    129     xrdb "${XRESOURCES}"
    130 
    131     # firefox; python-pywalfox and firefox plugin are required
    132     # palette and theme templates have to be set up in firefox itself
    133     # see https://github.com/frewacom/pywalfox
    134     pywalfox dark
    135     pywalfox update
    136 
    137     # reload all instances of term
    138     kill -s USR1 $(ps -ef | grep -i "\<${TERMINAL}\>" | grep -v '\<grep\>' | awk '{ printf "%s ", $2 }')
    139 
    140     # hacky work-around to change terminal fg on the fly
    141     # buggy with alpha
    142     for tty in $(find /dev/pts/ -name '*' | grep '[1-9][0-9]*' | tr -d '[:alpha:][=/=]'); do
    143         echo "\033]4;${DEFAULTFG};${color0}\007" > "/dev/pts/${tty}" 2>/dev/null
    144     done
    145 
    146     # reload dwm
    147     dwmc reload
    148 
    149     # zathura
    150     zathura-pywal -a ${ALPHA}
    151 }
    152 
    153 main() {
    154     # convert relative to abs if not already
    155     case "${1}" in
    156         /*) path="${1}"        ;;
    157         *)  path="${PWD}/${1}" ;;
    158     esac
    159 
    160     # handle symlinks
    161     path="$("${HOME}/.local/bin/symlink.sh" "${path}")"
    162 
    163     # if dir get rand file
    164     if [ -d "${path}" ]; then
    165         get_rand_file "${path}" && wp "${file}"
    166     # if file check it
    167     elif [ -f "${path}" ]; then
    168         check_file "${path}" && wp "${file}"
    169     else return 1
    170     fi
    171 }
    172 
    173 main "${@}"