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|
# Timeout protection (prevents hanging)
TIMEOUT=5
if [ -z "$LF_PREVIEW_RUNNING" ]; then
export LF_PREVIEW_RUNNING=1
exec timeout "$TIMEOUT" "$0" "$@"
fi
# Parameters from lf
FILE="$1"
WIDTH="$2"
HEIGHT="$3"
X="$4"
Y="$5"
# Temp dir
TMP_DIR="/tmp/lf-preview-$(id -u)"
mkdir -p "$TMP_DIR"
TMP_IMG="$TMP_DIR/pv-$(basename "$FILE" | tr -c '[:alnum:]' '_').png"
# Render image via kitty
render_image() {
kitten icat --stdin no --transfer-mode memory --place "${w}x${h}@${x}x${y}" "$1" </dev/null >/dev/tty
exit 1
}
file="$1"
w="$2"
h="$3"
x="$4"
y="$5"
# Ensure file exists
[ ! -r "$FILE" ] && exit 0
MIMETYPE=$(file --dereference --brief --mime-type "$FILE")
echo $FILE > /tmp/testing-my-script.txt
echo $MIMETYPE >> /tmp/testing-my-script.txt
case "$MIMETYPE" in
# --- IMAGES ---
image/svg+xml)
rsvg-convert "$FILE" -o "$TMP_IMG" >/dev/null 2>&1 && render_image "$TMP_IMG"
;;
image/*)
render_image "$FILE"
;;
# --- VIDEOS ---
video/*)
if command -v ffmpegthumbnailer >/dev/null; then
ffmpegthumbnailer -i "$FILE" -o "$TMP_IMG" -s 0 -q 5 >/dev/null 2>&1
else
ffmpeg -y -i "$FILE" -ss 00:00:01 -vframes 1 "$TMP_IMG" >/dev/null 2>&1
fi
[ -f "$TMP_IMG" ] && render_image "$TMP_IMG"
;;
# --- AUDIO ---
audio/*)
ffmpeg -y -i "$FILE" \
-filter_complex "showwavespic=s=${WIDTH}x${HEIGHT}:colors=white" \
-frames:v 1 "$TMP_IMG" >/dev/null 2>&1
ffprobe -hide_banner -v quiet -show_format -show_streams "$FILE"
[ -f "$TMP_IMG" ] && render_image "$TMP_IMG"
exit 0
;;
# --- PDF ---
application/pdf)
pdftoppm -f 1 -l 1 -png -singlefile "$FILE" "${TMP_IMG%.png}" >/dev/null 2>&1
[ -f "$TMP_IMG" ] && render_image "$TMP_IMG"
;;
# --- EPUB / MOBI ---
application/epub+zip|application/x-mobipocket-ebook)
unzip -p "$FILE" "*/cover*.jpg" > "$TMP_IMG" 2>/dev/null
[ -s "$TMP_IMG" ] && render_image "$TMP_IMG"
;;
# --- OFFICE ---
application/vnd.openxmlformats-officedocument.*|application/msword|application/vnd.oasis.opendocument.*)
libreoffice --headless --convert-to pdf --outdir "$TMP_DIR" "$FILE" >/dev/null 2>&1
PDF_VER="${TMP_DIR}/$(basename "${FILE%.*}").pdf"
if [ -f "$PDF_VER" ]; then
pdftoppm -f 1 -l 1 -png -singlefile "$PDF_VER" "${TMP_IMG%.png}" >/dev/null 2>&1
render_image "$TMP_IMG"
fi
;;
# --- ARCHIVES ---
application/zip|application/x-7z-compressed|application/x-rar|application/x-tar|application/x-gzip)
7z l "$FILE" 2>/dev/null || bsdtar -tf "$FILE"
exit 0
;;
# --- TEXT / CODE ---
text/*|application/json|application/javascript|application/xml)
if command -v nvim >/dev/null; then
nvim --headless \
+"set nomore" \
+"set nowrap" \
+"syntax on" \
+"set number" \
+"0,200print" \
+q "$FILE" 2>/dev/null
else
cat "$FILE"
fi
exit 0
;;
# --- FONTS ---
font/*|application/vnd.ms-fontobject|application/x-font-ttf)
fc-scan "$FILE"
exit 0
;;
# --- FALLBACK ---
*)
file --dereference --brief "$FILE"
echo "------------------------------------------------"
hexdump -C "$FILE" | head -n 100
exit 0
;;
esac
# Always exit cleanly
exit 0
|
