if [ "$TERMINAL" = "kitty" ]; then
# Kitty terminal users can use the native image preview method
kitty +kitten icat --silent --place "$1"x"$2"@0x0 --transfer-mode=stream --stdin=no "$3" &
- elif [ -n "$QLPATH" ] && stat "$3" >/dev/null 2>&1; then
+ elif [ -n "$QLPATH" ] && stat "$3"; then
f="$(wslpath -w "$3")" && "$QLPATH" "$f" && return
elif exists ueberzug; then
ueberzug_layer "$1" "$2" "$3" && return
printf '{"action": "remove", "identifier": "nnn_ueberzug"}\n' > "$FIFO_UEBERZUG"
}
-ueberzug_refresh() {
+winch_handler() {
clear
- kill "$(cat "$IMGPID")"
- kill "$(cat "$PAGERPID")"
+ kill "$(cat "$IMGPID")" "$(cat "$PAGERPID")"
pkill -P "$$"
- tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser json &
+ if [ -p "$FIFO_UEBERZUG" ]; then tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser json & fi
cat "$CURSEL" > "$NNN_FIFO"
- preview_fifo &
preview_file "$(cat "$CURSEL")"
+ preview_fifo &
wait "$!"
} 2>/dev/null
preview_fifo() {
printf "%s" "$$" > "$FIFOPID"
while read -r selection; do
- kill "$(cat "$IMGPID")"
- kill "$(cat "$PAGERPID")"
- [ "$TERMINAL" != "kitty" ] && exists ueberzug && ueberzug_remove
+ kill "$(cat "$IMGPID")" "$(cat "$PAGERPID")"
+ [ -p "$FIFO_UEBERZUG" ] && ueberzug_remove
preview_file "$selection"
printf "%s" "$selection" > "$CURSEL"
done < "$NNN_FIFO"
if [ "$PREVIEW_MODE" ]; then
if [ "$TERMINAL" != "kitty" ] && exists ueberzug; then
mkfifo "$FIFO_UEBERZUG"
- trap 'ueberzug_refresh' WINCH
tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser json &
fi
printf "%s" "$PWD/$1" > "$CURSEL"
preview_file "$PWD/$1"
preview_fifo &
+ trap 'winch_handler' WINCH
+ trap 'rm "$PAGERPID" "$IMGPID" "$CURSEL" "$FIFO_UEBERZUG" "$FIFOPID" 2>/dev/null' INT HUP EXIT
wait "$!" 2>/dev/null
- pkill -P "$$"
- rm "$PAGERPID" "$IMGPID" "$CURSEL" "$FIFO_UEBERZUG" "$FIFOPID" 2>/dev/null
else
if [ ! -r "$NNN_FIFO" ]; then
clear
audio) ffmpeg -i "$3" -filter_complex "scale=iw*min(1\,min($NNN_PREVIEWWIDTH/iw\,ih)):-1" "$NNN_PREVIEWDIR/$3.jpg" -y ;;
epub) gnome-epub-thumbnailer "$3" "$NNN_PREVIEWDIR/$3.jpg" ;;
font) fontpreview -i "$3" -o "$NNN_PREVIEWDIR/$3.jpg" ;;
- gif) if exists ueberzug && exists convert && [ "$TERMINAL" != "kitty" ]; then
+ gif) if [ -p "$FIFO_UEBERZUG" ] && exists convert; then
if [ ! -d "$NNN_PREVIEWDIR/$3" ]; then
mkdir -p "$NNN_PREVIEWDIR/$3"
convert -coalesce -resize "$NNN_PREVIEWWIDTH"x"$NNN_PREVIEWHEIGHT"\> "$3" "$NNN_PREVIEWDIR/$3/${3##*/}.jpg"
pdf) pdftoppm -jpeg -f 1 -singlefile "$3" "$NNN_PREVIEWDIR/$3" ;;
video) ffmpegthumbnailer -s0 -i "$3" -o "$NNN_PREVIEWDIR/$3.jpg" || rm "$NNN_PREVIEWDIR/$3.jpg" ;;
esac
- fi
+ fi >/dev/null
if [ -f "$NNN_PREVIEWDIR/$3.jpg" ]; then
image_preview "$1" "$2" "$NNN_PREVIEWDIR/$3.jpg"
else
fifo_pager print_bin_info "$3"
fi
-} >/dev/null 2>&1
+} 2>/dev/null
image_preview() {
clear
printf '{"action": "remove", "identifier": "nnn_ueberzug"}\n' > "$FIFO_UEBERZUG"
}
-ueberzug_refresh() {
+winch_handler() {
clear
- kill "$(cat "$IMGPID")"
- kill "$(cat "$PAGERPID")"
+ kill "$(cat "$IMGPID")" "$(cat "$PAGERPID")"
pkill -P "$$"
- tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser json &
+ if [ -p "$FIFO_UEBERZUG" ]; then tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser json & fi
cat "$CURSEL" > "$NNN_FIFO"
- preview_fifo &
preview_file "$(cat "$CURSEL")"
+ preview_fifo &
wait "$!"
} 2>/dev/null
preview_fifo() {
printf "%s" "$$" > "$FIFOPID"
while read -r selection; do
- kill "$(cat "$IMGPID")"
- kill "$(cat "$PAGERPID")"
- [ "$TERMINAL" != "kitty" ] && exists ueberzug && ueberzug_remove
+ kill "$(cat "$IMGPID")" "$(cat "$PAGERPID")"
+ [ -p "$FIFO_UEBERZUG" ] && ueberzug_remove
preview_file "$selection"
printf "%s" "$selection" > "$CURSEL"
done < "$NNN_FIFO"
if [ "$PREVIEW_MODE" ]; then
if [ "$TERMINAL" != "kitty" ] && exists ueberzug; then
mkfifo "$FIFO_UEBERZUG"
- trap 'ueberzug_refresh' WINCH
tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser json &
fi
printf "%s" "$PWD/$1" > "$CURSEL"
preview_file "$PWD/$1"
preview_fifo &
+ trap 'winch_handler' WINCH
+ trap 'rm "$PAGERPID" "$IMGPID" "$CURSEL" "$FIFO_UEBERZUG" "$FIFOPID" 2>/dev/null' INT HUP EXIT
wait "$!" 2>/dev/null
- pkill -P "$$"
- rm "$PAGERPID" "$IMGPID" "$CURSEL" "$FIFO_UEBERZUG" "$FIFOPID" 2>/dev/null
else
if [ ! -r "$NNN_FIFO" ]; then
clear