diff --git a/.config/lf/preview b/.config/lf/preview index af057f37..2983b5e8 100755 --- a/.config/lf/preview +++ b/.config/lf/preview @@ -1,82 +1,64 @@ #!/bin/sh +# File preview handler for lf. + +set -C -f +IFS="$(printf '%b_' '\n')" +IFS="${IFS%_}" + image() { - if [ -n "$DISPLAY" ] && [ -z "$WAYLAND_DISPLAY" ]; then + if [ -f "$1" ] && [ -n "$DISPLAY" ] && [ -z "$WAYLAND_DISPLAY" ] && command -V ueberzug >/dev/null 2>&1; then printf '{"action": "add", "identifier": "PREVIEW", "x": "%s", "y": "%s", "width": "%s", "height": "%s", "scaler": "contain", "path": "%s"}\n' "$4" "$5" "$(($2 - 1))" "$(($3 - 1))" "$1" >"$FIFO_UEBERZUG" - exit 1 else - chafa "$1" -s "$4x" + mediainfo "$6" fi } -batorcat() { - file="$1" - shift - if command -v bat >/dev/null 2>&1; then - bat --color=always --style=plain --pager=never "$file" "$@" - else - cat "$file" - fi +ifub() { + [ -n "$DISPLAY" ] && [ -z "$WAYLAND_DISPLAY" ] && command -V ueberzug >/dev/null 2>&1 } -CACHE="$HOME/.cache/lf/thumbnail.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | awk '{print $1}'))" +# Note that the cache file name is a function of file information, meaning if +# an image appears in multiple places across the machine, it will not have to +# be regenerated once seen. -case "$(printf "%s\n" "$(readlink -f "$1")" | awk '{print tolower($0)}')" in -*.tgz | *.tar.gz) tar tzf "$1" ;; -*.tar.bz2 | *.tbz2) tar tjf "$1" ;; -*.tar.txz | *.txz) xz --list "$1" ;; -*.tar) tar tf "$1" ;; -*.zip | *.jar | *.war | *.ear | *.oxt) unzip -l "$1" ;; -*.rar) unrar l "$1" ;; -*.md) glow -s dark "$1" ;; -*.7z) 7z l "$1" ;; -*.[1-8]) man "$1" | col -b ;; -*.o) nm "$1" ;; -*.torrent) transmission-show "$1" ;; -*.iso) iso-info --no-header -l "$1" ;; -*.odt | *.ods | *.odp | *.sxw) odt2txt "$1" ;; -*.doc) catdoc "$1" ;; -*.docx) docx2txt "$1" - ;; -*.xml | *.html) w3m -dump "$1" ;; -*.xls | *.xlsx) +case "$(file --dereference --brief --mime-type -- "$1")" in +image/svg* | application/illustrator) + CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/lf/thumb.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | cut -d' ' -f1)" + [ ! -f "$CACHE.jpg" ] && + convert "$1" "$CACHE.jpg" + image "$CACHE.jpg" "$2" "$3" "$4" "$5" + ;; +image/*) image "$1" "$2" "$3" "$4" "$5" "$1" ;; +text/html) lynx -width="$4" -display_charset=utf-8 -dump "$1" ;; +text/troff) man ./ "$1" | col -b ;; +text/markdown) glow -s dark "$1" ;; +text/* | */xml | application/json) bat --style=plain "$(($4 - 2))" -f "$1" ;; +audio/* | application/octet-stream) mediainfo "$1" || exit 1 ;; +video/*) + CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/lf/thumb.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | cut -d' ' -f1)" + [ ! -f "$CACHE" ] && ffmpegthumbnailer -i "$1" -o "$CACHE" -s 0 + image "$CACHE" "$2" "$3" "$4" "$5" "$1" + ;; +*/pdf) + CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/lf/thumb.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | cut -d' ' -f1)" + [ ! -f "$CACHE.jpg" ] && pdftoppm -jpeg -f 1 -singlefile "$1" "$CACHE" + image "$CACHE.jpg" "$2" "$3" "$4" "$5" "$1" + ;; +*/epub+zip | */mobi*) + CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/lf/thumb.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | cut -d' ' -f1)" + [ ! -f "$CACHE.jpg" ] && gnome-epub-thumbnailer "$1" "$CACHE.jpg" + image "$CACHE.jpg" "$2" "$3" "$4" "$5" "$1" + ;; +application/*zip) atool --list -- "$1" ;; +application/pgp-encrypted) gpg -d -- "$1" ;; +application/x-bittorrent) transmission-show "$1" ;; +application/x-iso*) iso-info "$1" ;; +*msword) catdoc "$1" ;; +*openxmlformats-officedocument.wordprocessingml.document) docx2txt "$1" - ;; +*opendocument*) odt2txt "$1" ;; +*ms-excel | *openxmlformats-officedocument.spreadsheetml.sheet) ssconvert --export-type=Gnumeric_stf:stf_csv "$1" "fd://1" | batorcat --language=csv ;; -*.wav | *.mp3 | *.flac | *.m4a | *.wma | *.ape | *.ac3 | *.og[agx] | *.spx | *.opus | *.as[fx] | *.mka) - exiftool "$1" - ;; -*.pdf) - [ ! -f "${CACHE}.jpg" ] && - pdftoppm -jpeg -f 1 -singlefile "$1" "$CACHE" - image "${CACHE}.jpg" "$2" "$3" "$4" "$5" - ;; -*.epub) - [ ! -f "$CACHE" ] && - epub-thumbnailer "$1" "$CACHE" 1024 - image "$CACHE" "$2" "$3" "$4" "$5" - ;; -*.cbz | *.cbr | *.cbt) - [ ! -f "$CACHE" ] && - comicthumb "$1" "$CACHE" 1024 - image "$CACHE" "$2" "$3" "$4" "$5" - ;; -*.avi | *.mp4 | *.wmv | *.dat | *.3gp | *.ogv | *.mkv | *.mpg | *.mpeg | *.vob | *.fl[icv] | *.m2v | *.mov | *.webm | *.ts | *.mts | *.m4v | *.r[am] | *.qt | *.divx) - [ ! -f "${CACHE}.jpg" ] && - ffmpegthumbnailer -i "$1" -o "${CACHE}.jpg" -s 0 -q 5 - image "${CACHE}.jpg" "$2" "$3" "$4" "$5" - ;; -*.bmp | *.jpg | *.jpeg | *.png | *.xpm | *.webp | *.gif | *.jfif) - image "$1" "$2" "$3" "$4" "$5" - ;; -*.svg) - [ ! -f "${CACHE}.jpg" ] && - convert "$1" "${CACHE}.jpg" - image "${CACHE}.jpg" "$2" "$3" "$4" "$5" - ;; -*.ino) - batorcat --language=cpp "$1" - ;; -*) - batorcat "$1" - ;; esac -exit 0 +exit 1