Fix lf's preview

This commit is contained in:
Kristofers Solo 2023-02-22 22:12:33 +02:00
parent d3e78e39f1
commit 8ed0a4c78c

View File

@ -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