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Merge pull request #1231 from luukvbaal/preview-tui

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Preview-tui workaround for ncurses tput regression
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Arun 2021-11-11 06:05:35 +05:30 committed by GitHub
parent fec0479da3 0d657b47b9
commit bd7f127ad9
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1 changed files with 11 additions and 7 deletions
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18
plugins/preview-tui
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@ -91,6 +91,7 @@ FIFOPID="$TMPDIR/nnn-preview-tui-fifopid.$NNN_PARENT"
PREVIEWPID="$TMPDIR/nnn-preview-tui-pagerpid.$NNN_PARENT"
CURSEL="$TMPDIR/nnn-preview-tui-selection.$NNN_PARENT"
FIFO_UEBERZUG="$TMPDIR/nnn-preview-tui-ueberzug-fifo.$NNN_PARENT"
PREVIEWSIZE="$TMPDIR/nnn-preview-tui-size.$NNN_PARENT"
start_preview() {
[ "$PAGER" = "most" ] && PAGER="less -R"
@ -114,7 +115,7 @@ start_preview() {
case "$TERMINAL" in
tmux) # tmux splits are inverted
if [ "$SPLIT" = "v" ]; then DSPLIT="h"; else DSPLIT="v"; fi
tmux split-window -e "NNN_FIFO=$NNN_FIFO" -e "PREVIEW_MODE=1" \
tmux split-window -e "NNN_FIFO=$NNN_FIFO" -e "PREVIEWSIZE=$PREVIEWSIZE" -e "PREVIEW_MODE=1" \
-e "CURSEL=$CURSEL" -e "TMPDIR=$TMPDIR" -e "FIFOPID=$FIFOPID" \
-e "BAT_STYLE=$BAT_STYLE" -e "BAT_THEME=$BAT_THEME" -e "PREVIEWPID=$PREVIEWPID" \
-e "PAGER=$PAGER" -e "ICONLOOKUP=$ICONLOOKUP" -e "NNN_PREVIEWWIDTH=$NNN_PREVIEWWIDTH" \
@ -133,7 +134,7 @@ start_preview() {
--env "ICONLOOKUP=$ICONLOOKUP" --env "NNN_PREVIEWHEIGHT=$NNN_PREVIEWHEIGHT" \
--env "NNN_PREVIEWWIDTH=$NNN_PREVIEWWIDTH" --env "NNN_PREVIEWDIR=$NNN_PREVIEWDIR" \
--env "USE_PISTOL=$USE_PISTOL" --env "BAT_STYLE=$BAT_STYLE" \
--env "BAT_THEME=$BAT_THEME" --env "FIFOPID=$FIFOPID" \
--env "BAT_THEME=$BAT_THEME" --env "FIFOPID=$FIFOPID" --env "PREVIEWSIZE=$PREVIEWSIZE" \
--env "CURSEL=$CURSEL" --location "${SPLIT}split" "$0" "$1" ;;
iterm)
command="$SHELL -c 'cd $PWD; \
@ -142,7 +143,7 @@ start_preview() {
PREVIEWPID=\\\"$PREVIEWPID\\\" CURSEL=\\\"$CURSEL\\\" TMPDIR=\\\"$TMPDIR\\\" \
ICONLOOKUP=\\\"$ICONLOOKUP\\\" NNN_PREVIEWHEIGHT=\\\"$NNN_PREVIEWHEIGHT\\\" \
NNN_PREVIEWWIDTH=\\\"$NNN_PREVIEWWIDTH\\\" NNN_PREVIEWDIR=\\\"$NNN_PREVIEWDIR\\\" \
USE_PISTOL=\\\"$USE_PISTOL\\\" BAT_STYLE=\\\"$BAT_STYLE\\\" \
USE_PISTOL=\\\"$USE_PISTOL\\\" BAT_STYLE=\\\"$BAT_STYLE\\\" PREVIEWSIZE=\\\"$PREVIEWSIZE\\\" \
BAT_THEME=\\\"$BAT_THEME\\\" FIFOPID=\\\"$FIFOPID\\\" \\\"$0\\\" \\\"$1\\\"'"
if [ "$SPLIT" = "h" ]; then split="horizontally"; else split="vertically"; fi
osascript <<-EOF
@ -305,8 +306,9 @@ preview_file() {
mimetype="$(file -bL --mime-type -- "$1")"
ext="${1##*.}"
[ -n "$ext" ] && ext="$(printf "%s" "${ext}" | tr '[:upper:]' '[:lower:]')"
lines=$(tput lines)
cols=$(tput cols)
size="$(cat "$PREVIEWSIZE")"
lines=${size% *}
cols=${size#* }
# Otherwise, falling back to the defaults.
if [ -d "$1" ]; then
@ -407,6 +409,7 @@ winch_handler() {
pkill -f "tail --follow $FIFO_UEBERZUG"
tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser json &
fi
stty size > "$PREVIEWSIZE"
preview_file "$(cat "$CURSEL")"
} 2>/dev/null
@ -415,7 +418,7 @@ preview_fifo() {
if [ -n "$selection" ]; then
kill "$(cat "$PREVIEWPID")"
[ -p "$FIFO_UEBERZUG" ] && ueberzug_remove
[ "$selection" = "close" ] && sleep 0.15 && break
[ "$selection" = "close" ] && sleep 0.15 && pkill -P "$$" && exit
preview_file "$selection"
printf "%s" "$selection" > "$CURSEL"
fi
@ -430,12 +433,13 @@ if [ "$PREVIEW_MODE" ]; then
tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser json &
fi
stty size > "$PREVIEWSIZE"
preview_file "$PWD/$1"
preview_fifo &
printf "%s" "$!" > "$FIFOPID"
printf "%s" "$PWD/$1" > "$CURSEL"
trap 'winch_handler; wait' WINCH
trap 'rm "$PREVIEWPID" "$CURSEL" "$FIFO_UEBERZUG" "$FIFOPID" 2>/dev/null' INT HUP EXIT
trap 'rm "$PREVIEWPID" "$CURSEL" "$FIFO_UEBERZUG" "$FIFOPID $PREVIEWSIZE" 2>/dev/null' INT HUP EXIT
wait "$!" 2>/dev/null
else
if [ ! -r "$NNN_FIFO" ]; then