preview-tui: reformat toggle (#966)

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luukvbaal 2021-04-26 17:21:52 +02:00 committed by GitHub
parent eea4d34423
commit b97e2d02ea
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 152 additions and 145 deletions

View file

@ -67,27 +67,75 @@ USE_SCOPE="${USE_SCOPE:-0}"
USE_PISTOL="${USE_PISTOL:-0}"
PAGER="${PAGER:-less -P?n -R}"
TMPDIR="${TMPDIR:-/tmp}"
NUMPREVIEWTUI="$(($(find "$TMPDIR" -maxdepth 1 -name 'nnn-preview-tui-pagerpid*' 2>/dev/null | wc -l) + 1))"
PAGERPID="$TMPDIR/nnn-preview-tui-pagerpid.$NUMPREVIEWTUI"
GIFPID="$TMPDIR/nnn-preview-tui-gifpid.$NUMPREVIEWTUI"
CURSEL="$TMPDIR/nnn-preview-tui-selection.$NUMPREVIEWTUI"
FIFO_UEBERZUG="$TMPDIR/nnn-preview-tui-ueberzug-fifo.$NUMPREVIEWTUI"
[ "$PAGER" = "most" ] && PAGER="less -R"
startpreview() {
NUMPREVIEWTUI="$(($(find "$TMPDIR" -maxdepth 1 -name 'nnn-preview-tui-pagerpid*' 2>/dev/null | wc -l) + 1))"
PAGERPID="$TMPDIR/nnn-preview-tui-pagerpid.$NUMPREVIEWTUI"
GIFPID="$TMPDIR/nnn-preview-tui-gifpid.$NUMPREVIEWTUI"
CURSEL="$TMPDIR/nnn-preview-tui-selection.$NUMPREVIEWTUI"
FIFO_UEBERZUG="$TMPDIR/nnn-preview-tui-ueberzug-fifo.$NUMPREVIEWTUI"
if [ -e "${TMUX%%,*}" ] && tmux -V | grep -q '[ -][3456789]\.'; then
[ "$PAGER" = "most" ] && PAGER="less -R"
if [ -e "${TMUX%%,*}" ] && tmux -V | grep -q '[ -][3456789]\.'; then
TERMINAL=tmux
elif [ -n "$KITTY_WINDOW_ID" ] && kitty @ ls >/dev/null 2>&1; then
elif [ -n "$KITTY_WINDOW_ID" ] && kitty @ ls >/dev/null 2>&1; then
TERMINAL=kitty
else
else
TERMINAL="${TERMINAL:-xterm}"
fi
fi
if [ -z "$SPLIT" ] && [ $(($(tput lines) * 2)) -gt "$(tput cols)" ]; then
if [ -z "$SPLIT" ] && [ $(($(tput lines) * 2)) -gt "$(tput cols)" ]; then
SPLIT='h'
elif [ "$SPLIT" != 'h' ]; then
elif [ "$SPLIT" != 'h' ]; then
SPLIT='v'
fi
fi
if [ "$TERMINAL" = "tmux" ]; then
# tmux splits are inverted
if [ "$SPLIT" = "v" ]; then SPLIT="h"; else SPLIT="v"; fi
tmux split-window -e "NNN_FIFO=$NNN_FIFO" -e "PREVIEW_MODE=1" -e "PAGER=$PAGER" \
-e "USE_SCOPE=$USE_SCOPE" -e "SPLIT=$SPLIT" -e "USE_PISTOL=$USE_PISTOL" \
-e "PAGERPID=$PAGERPID" -e "GIFPID=$GIFPID" -e "CURSEL=$CURSEL" -e "TMPDIR=$TMPDIR" \
-e "FIFO_UEBERZUG=$FIFO_UEBERZUG" -e "QLPATH=$QLPATH" -d"$SPLIT" "$0" "$1"
elif [ "$TERMINAL" = "kitty" ]; then
# Setting the layout for the new window. It will be restored after the
# script ends.
kitty @ goto-layout splits >/dev/null
# Trying to use kitty's integrated window management as the split window.
# All environmental variables that will be used in the new window must
# be explicitly passed.
kitty @ launch --no-response --title "nnn preview" --keep-focus \
--cwd "$PWD" --env "PATH=$PATH" --env "NNN_FIFO=$NNN_FIFO" \
--env "PREVIEW_MODE=1" --env "PAGER=$PAGER" --env "TMPDIR=$TMPDIR" \
--env "USE_SCOPE=$USE_SCOPE" --env "SPLIT=$SPLIT" --env "TERMINAL=$TERMINAL"\
--env "USE_PISTOL=$USE_PISTOL" --env "PAGERPID=$PAGERPID" \
--env "GIFPID=$GIFPID" --env "FIFO_UEBERZUG=$FIFO_UEBERZUG" \
--env "CURSEL=$CURSEL" --location "${SPLIT}split" "$0" "$1" >/dev/null
elif [ -n "$2" ]; then
QUICKLOOK=1 QLPATH="$2" PREVIEW_MODE=1 "$0" "$1" >/dev/null &
else
PAGERPID="$PAGERPID" GIFPID="$GIFPID" CURSEL="$CURSEL" PREVIEW_MODE=1 \
FIFO_UEBERZUG="$FIFO_UEBERZUG" $TERMINAL -e "$0" "$1" 2>/dev/null &
fi
}
togglepreview() {
if exists QuickLook.exe; then
QLPATH="QuickLook.exe"
elif exists Bridge.exe; then
QLPATH="Bridge.exe"
fi
if pkill -fx "cat $NNN_FIFO" >/dev/null; then
if [ -n "$QLPATH" ] && stat "$1" >/dev/null 2>&1; then
f="$(wslpath -w "$1" 2>&1)" && "$QLPATH" "$f" &
fi
else
startpreview "$1" "$QLPATH"
fi
}
exists() {
which "$1" >/dev/null 2>&1
@ -159,7 +207,7 @@ preview_file () {
else
fifo_pager ls --color=always
fi
elif [ "$encoding" = "binary" ]; then
elif [ "${encoding#*)}" = "binary" ]; then
if [ "${mimetype%%/*}" = "image" ]; then
image_preview "$cols" "$lines" "$1"
elif [ "$mimetype" = "application/zip" ]; then
@ -202,7 +250,7 @@ image_preview() {
}
ueberzug_layer() {
printf '{"action": "add", "identifier": "nnn_ueberzug", "x": 0, "y": 0, "width": "%s", "height": "%s", "path": "%s"}\n' "$1" "$2" "$3" > "$FIFO_UEBERZUG"
printf '{"action": "add", "identifier": "nnn_ueberzug", "x": 0, "y": 0, "width": "%s", "height": "%s", "scaler": "fit_contain", "path": "%s"}\n' "$1" "$2" "$3" > "$FIFO_UEBERZUG"
}
ueberzug_remove() {
@ -217,13 +265,9 @@ ueberzug_refresh() {
tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser json &
preview_file "$(cat "$CURSEL")"
echo > "$NNN_FIFO"
preview_fifo &
preview_fifo 2>/dev/null &
wait
}
if [ "$TERMINAL" != "kitty" ] && [ "$PREVIEW_MODE" ] && exists ueberzug; then
trap 'ueberzug_refresh' WINCH
trap 'rm "$FIFO_UEBERZUG" "$PAGERPID" "$GIFPID" "$CURSEL"' INT HUP EXIT
fi
preview_fifo() {
# use cat instead of 'exec <' to avoid issues with dash shell
@ -249,58 +293,15 @@ if [ "$PREVIEW_MODE" ]; then
fi
if [ "$TERMINAL" != "kitty" ] && exists ueberzug; then
FIFO_UEBERZUG="$TMPDIR/nnn-ueberzug-fifo.$$"
mkfifo "$FIFO_UEBERZUG"
trap 'ueberzug_refresh; rm $FIFO_UEBERZUG' WINCH
tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser json &
fi
trap 'rm "$PAGERPID" "$GIFPID" "$CURSEL" 2>/dev/null' INT HUP EXIT
preview_file "$1"
preview_fifo &
preview_fifo 2>/dev/null &
wait
# Restoring the previous layout for kitty users. This will only work for
# kitty >= 0.18.0.
if [ "$TERMINAL" = "kitty" ]; then
kitty @ last-used-layout --no-response >/dev/null 2>&1
fi
exit 0
fi
if exists QuickLook.exe; then
QLPATH="QuickLook.exe"
elif exists Bridge.exe; then
QLPATH="Bridge.exe"
fi
if pkill -fx "cat $NNN_FIFO" >/dev/null; then
if [ -n "$QLPATH" ] && stat "$1" >/dev/null 2>&1; then
f="$(wslpath -w "$1" 2>&1)" && "$QLPATH" "$f" &
fi
exit 0
fi
if [ "$TERMINAL" = "tmux" ]; then
# tmux splits are inverted
if [ "$SPLIT" = "v" ]; then SPLIT="h"; else SPLIT="v"; fi
tmux split-window -e "NNN_FIFO=$NNN_FIFO" -e "PREVIEW_MODE=1" -e "PAGER=$PAGER" \
-e "USE_SCOPE=$USE_SCOPE" -e "SPLIT=$SPLIT" -e "USE_PISTOL=$USE_PISTOL" \
-e "QLPATH=$QLPATH" -d"$SPLIT" "$0" "$1"
elif [ "$TERMINAL" = "kitty" ]; then
# Setting the layout for the new window. It will be restored after the
# script ends.
kitty @ goto-layout splits >/dev/null
# Trying to use kitty's integrated window management as the split window.
# All environmental variables that will be used in the new window must
# be explicitly passed.
kitty @ launch --no-response --title "nnn preview" --keep-focus \
--cwd "$PWD" --env "PATH=$PATH" --env "NNN_FIFO=$NNN_FIFO" \
--env "PREVIEW_MODE=1" --env "PAGER=$PAGER" \
--env "USE_SCOPE=$USE_SCOPE" --env "SPLIT=$SPLIT" \
--env "USE_PISTOL=$USE_PISTOL" \
--location "${SPLIT}split" "$0" "$1" >/dev/null
elif [ -n "$QLPATH" ]; then
QUICKLOOK=1 QLPATH="$QLPATH" PREVIEW_MODE=1 "$0" "$1" >/dev/null &
else
PREVIEW_MODE=1 $TERMINAL -e "$0" "$1" &
fi
togglepreview "$1" &

View file

@ -71,7 +71,6 @@
#
# Shell: POSIX compliant
# Authors: Todd Yamakawa, Léo Villeveygoux, @Recidiviste, Mario Ortiz Manero, Luuk van Baal
SPLIT="$SPLIT" # you can set a permanent split here
TERMINAL="$TERMINAL" # same goes for the terminal
USE_SCOPE="${USE_SCOPE:-0}"
@ -83,27 +82,79 @@ TMPDIR="${TMPDIR:-/tmp}"
NNN_PREVIEWDIR="${NNN_PREVIEWDIR:-$TMPDIR}/nnn/previews"
NNN_PREVIEWWIDTH="${NNN_PREVIEWWIDTH:-1920}"
NNN_PREVIEWHEIGHT="${NNN_PREVIEWHEIGHT:-1080}"
NUMPREVIEWTUI="$(($(find "$TMPDIR" -maxdepth 1 -name 'nnn-preview-tui-pagerpid*' 2>/dev/null | wc -l) + 1))"
PAGERPID="$TMPDIR/nnn-preview-tui-pagerpid.$NUMPREVIEWTUI"
GIFPID="$TMPDIR/nnn-preview-tui-gifpid.$NUMPREVIEWTUI"
CURSEL="$TMPDIR/nnn-preview-tui-selection.$NUMPREVIEWTUI"
FIFO_UEBERZUG="$TMPDIR/nnn-preview-tui-ueberzug-fifo.$NUMPREVIEWTUI"
[ "$PAGER" = "most" ] && PAGER="less -R"
startpreview() {
NUMPREVIEWTUI="$(($(find "$TMPDIR" -maxdepth 1 -name 'nnn-preview-tui-pagerpid*' 2>/dev/null | wc -l) + 1))"
PAGERPID="$TMPDIR/nnn-preview-tui-pagerpid.$NUMPREVIEWTUI"
GIFPID="$TMPDIR/nnn-preview-tui-gifpid.$NUMPREVIEWTUI"
CURSEL="$TMPDIR/nnn-preview-tui-selection.$NUMPREVIEWTUI"
FIFO_UEBERZUG="$TMPDIR/nnn-preview-tui-ueberzug-fifo.$NUMPREVIEWTUI"
if [ -e "${TMUX%%,*}" ] && tmux -V | grep -q '[ -][3456789]\.'; then
[ "$PAGER" = "most" ] && PAGER="less -R"
if [ -e "${TMUX%%,*}" ] && tmux -V | grep -q '[ -][3456789]\.'; then
TERMINAL=tmux
elif [ -n "$KITTY_WINDOW_ID" ] && kitty @ ls >/dev/null 2>&1; then
elif [ -n "$KITTY_WINDOW_ID" ] && kitty @ ls >/dev/null 2>&1; then
TERMINAL=kitty
else
else
TERMINAL="${TERMINAL:-xterm}"
fi
fi
if [ -z "$SPLIT" ] && [ $(($(tput lines) * 2)) -gt "$(tput cols)" ]; then
if [ -z "$SPLIT" ] && [ $(($(tput lines) * 2)) -gt "$(tput cols)" ]; then
SPLIT='h'
elif [ "$SPLIT" != 'h' ]; then
elif [ "$SPLIT" != 'h' ]; then
SPLIT='v'
fi
fi
if [ "$TERMINAL" = "tmux" ]; then
# tmux splits are inverted
if [ "$SPLIT" = "v" ]; then SPLIT="h"; else SPLIT="v"; fi
tmux split-window -e "NNN_FIFO=$NNN_FIFO" -e "PREVIEW_MODE=1" -e "PAGER=$PAGER" \
-e "USE_SCOPE=$USE_SCOPE" -e "SPLIT=$SPLIT" -e "USE_PISTOL=$USE_PISTOL" \
-e "PAGERPID=$PAGERPID" -e "GIFPID=$GIFPID" -e "CURSEL=$CURSEL" -e "TMPDIR=$TMPDIR" \
-e "ICONLOOKUP=$ICONLOOKUP" -e "NNN_PREVIEWDIR=$NNN_PREVIEWDIR" \
-e "NNN_PREVIEWWIDTH=$NNN_PREVIEWWIDTH" -e "NNN_PREVIEWHEIGHT=$NNN_PREVIEWHEIGHT" \
-e "FIFO_UEBERZUG=$FIFO_UEBERZUG" -e "QLPATH=$2" -d"$SPLIT" "$0" "$1"
elif [ "$TERMINAL" = "kitty" ]; then
# Setting the layout for the new window. It will be restored after the
# script ends.
kitty @ goto-layout splits >/dev/null
# Trying to use kitty's integrated window management as the split window.
# All environmental variables that will be used in the new window must
# be explicitly passed.
kitty @ launch --no-response --title "nnn preview" --keep-focus \
--cwd "$PWD" --env "PATH=$PATH" --env "NNN_FIFO=$NNN_FIFO" \
--env "PREVIEW_MODE=1" --env "PAGER=$PAGER" --env "TMPDIR=$TMPDIR" \
--env "USE_SCOPE=$USE_SCOPE" --env "SPLIT=$SPLIT" --env "TERMINAL=$TERMINAL"\
--env "USE_PISTOL=$USE_PISTOL" --env "PAGERPID=$PAGERPID" \
--env "GIFPID=$GIFPID" --env "FIFO_UEBERZUG=$FIFO_UEBERZUG" \
--env "ICONLOOKUP=$ICONLOOKUP" --env "NNN_PREVIEWDIR=$NNN_PREVIEWDIR" \
--env "NNN_PREVIEWWIDTH=$NNN_PREVIEWWIDTH" --env "NNN_PREVIEWHEIGHT=$NNN_PREVIEWHEIGHT" \
--env "CURSEL=$CURSEL" --location "${SPLIT}split" "$0" "$1" >/dev/null
elif [ -n "$2" ]; then
QUICKLOOK=1 QLPATH="$2" PREVIEW_MODE=1 "$0" "$1" >/dev/null &
else
PAGERPID="$PAGERPID" GIFPID="$GIFPID" CURSEL="$CURSEL" PREVIEW_MODE=1 \
FIFO_UEBERZUG="$FIFO_UEBERZUG" $TERMINAL -e "$0" "$1" 2>/dev/null &
fi
}
togglepreview() {
if exists QuickLook.exe; then
QLPATH="QuickLook.exe"
elif exists Bridge.exe; then
QLPATH="Bridge.exe"
fi
if pkill -fx "cat $NNN_FIFO" >/dev/null; then
if [ -n "$QLPATH" ] && stat "$1" >/dev/null 2>&1; then
f="$(wslpath -w "$1" 2>&1)" && "$QLPATH" "$f" &
fi
else
startpreview "$1" "$QLPATH"
fi
}
exists() {
which "$1" >/dev/null 2>&1
@ -170,7 +221,8 @@ preview_file() {
elif [ -d "$1" ]; then
cd "$1" || return
if [ "$ICONLOOKUP" -ne 0 ] && [ -f "$(dirname "$0")"/.iconlookup ]; then
[ "$SPLIT" = h ] && BSTR="\n"
[ "$SPLIT" = h ] && [ "$TERMINAL" != "kitty" ] && BSTR="\n"
[ "$SPLIT" = v ] && [ "$TERMINAL" = "kitty" ] && BSTR="\n"
# shellcheck disable=SC2012
ls -F --group-directories-first | head -n "$((lines - 3))" | "$(dirname "$0")"/.iconlookup -l "$cols" -B "$BSTR" -b " "
elif exists tree; then
@ -289,8 +341,7 @@ image_preview() {
clear
if [ "$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"
kitty +kitten icat --silent --place "$1"x"$2"@0x0 --transfer-mode=stream --stdin=no "$3"
elif exists ueberzug; then
ueberzug_layer "$1" "$2" "$3"
elif exists catimg; then
@ -320,7 +371,7 @@ ueberzug_refresh() {
tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser json &
preview_file "$(cat "$CURSEL")"
echo > "$NNN_FIFO"
preview_fifo &
preview_fifo 2>/dev/null &
wait
}
@ -328,7 +379,7 @@ preview_fifo() {
# use cat instead of 'exec <' to avoid issues with dash shell
# shellcheck disable=SC2002
cat "$NNN_FIFO" |\
while read -r selection ; do
while read -r selection; do
kill "$(cat "$GIFPID" 2>/dev/null)" >/dev/null 2>&1
kill "$(cat "$PAGERPID" 2>/dev/null)" >/dev/null 2>&1
[ "$TERMINAL" != "kitty" ] && exists ueberzug && ueberzug_remove
@ -340,7 +391,6 @@ preview_fifo() {
pkill -P "$$" >/dev/null 2>&1
}
if [ "$PREVIEW_MODE" ]; then
if [ ! -r "$NNN_FIFO" ]; then
echo "No FIFO available! (\$NNN_FIFO='$NNN_FIFO')" >&2
@ -350,58 +400,14 @@ if [ "$PREVIEW_MODE" ]; then
if [ "$TERMINAL" != "kitty" ] && exists ueberzug; then
mkfifo "$FIFO_UEBERZUG"
trap 'ueberzug_refresh' WINCH
trap 'rm "$FIFO_UEBERZUG" "$PAGERPID" "$GIFPID" "$CURSEL"' INT HUP EXIT
trap 'ueberzug_refresh; rm $FIFO_UEBERZUG' WINCH
tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser json &
fi
trap 'rm "$PAGERPID" "$GIFPID" "$CURSEL" 2>/dev/null' INT HUP EXIT
preview_file "$1"
preview_fifo &
preview_fifo 2>/dev/null &
wait
# Restoring the previous layout for kitty users. This will only work for
# kitty >= 0.18.0.
if [ "$TERMINAL" = "kitty" ]; then
kitty @ last-used-layout --no-response >/dev/null 2>&1
fi
exit 0
fi
if exists QuickLook.exe; then
QLPATH="QuickLook.exe"
elif exists Bridge.exe; then
QLPATH="Bridge.exe"
fi
if pkill -fx "cat $NNN_FIFO" >/dev/null; then
if [ -n "$QLPATH" ] && stat "$1" >/dev/null 2>&1; then
f="$(wslpath -w "$1" 2>&1)" && "$QLPATH" "$f" &
fi
exit 0
fi
if [ "$TERMINAL" = "tmux" ]; then
# tmux splits are inverted
if [ "$SPLIT" = "v" ]; then SPLIT="h"; else SPLIT="v"; fi
tmux split-window -e "NNN_FIFO=$NNN_FIFO" -e "PREVIEW_MODE=1" -e "PAGER=$PAGER" \
-e "USE_SCOPE=$USE_SCOPE" -e "SPLIT=$SPLIT" -e "USE_PISTOL=$USE_PISTOL" \
-e "ICONLOOKUP=$ICONLOOKUP" -e "QLPATH=$QLPATH" -d"$SPLIT" "$0" "$1"
elif [ "$TERMINAL" = "kitty" ]; then
# Setting the layout for the new window. It will be restored after the
# script ends.
kitty @ goto-layout splits >/dev/null
# Trying to use kitty's integrated window management as the split window.
# All environmental variables that will be used in the new window must
# be explicitly passed.
kitty @ launch --no-response --title "nnn preview" --keep-focus \
--cwd "$PWD" --env "PATH=$PATH" --env "NNN_FIFO=$NNN_FIFO" \
--env "PREVIEW_MODE=1" --env "PAGER=$PAGER" \
--env "USE_SCOPE=$USE_SCOPE" --env "SPLIT=$SPLIT" \
--env "USE_PISTOL=$USE_PISTOL" --env "ICONLOOKUP=$ICONLOOKUP" \
--location "${SPLIT}split" "$0" "$1" >/dev/null
elif [ -n "$QLPATH" ]; then
QUICKLOOK=1 QLPATH="$QLPATH" PREVIEW_MODE=1 "$0" "$1" >/dev/null &
else
PREVIEW_MODE=1 $TERMINAL -e "$0" "$1" &
fi
togglepreview "$1" &