commit e6f789f4cbb301fdf14f6b0181e1b16d7fa9165d
parent f5c662980e6899a1f4dc0057a19922db9f4507e2
Author: Michael Neuper <73108749+michaelneuper@users.noreply.github.com>
Date: Tue, 15 Nov 2022 13:21:08 +0200
Try to add previews in lf
Diffstat:
7 files changed, 163 insertions(+), 119 deletions(-)
diff --git a/.config/lf/cleaner b/.config/lf/cleaner
@@ -0,0 +1,4 @@
+#!/bin/sh
+if [ -n "$FIFO_UEBERZUG" ]; then
+ printf '{"action": "remove", "identifier": "PREVIEW"}\n' > "$FIFO_UEBERZUG"
+fi
diff --git a/.config/lf/draw_img b/.config/lf/draw_img
@@ -1,68 +0,0 @@
-#!/usr/bin/env bash
-
-clear_screen() {
- printf '\e[%sH\e[9999C\e[1J%b\e[1;%sr' \
- "$((LINES-2))" "${TMUX:+\e[2J}" "$max_items"
-}
-
-# Get a file's mime_type.
-mime_type=$(file -bi "$1")
-
-# File isn't an image file, give warning.
-if [[ $mime_type != image/* ]]; then
- lf -remote "send $id echoerr 'Not an image'"
- exit
-fi
-
-w3m_paths=(/usr/{local/,}{lib,libexec,lib64,libexec64}/w3m/w3mi*)
-read -r w3m _ < <(type -p w3mimgdisplay "${w3m_paths[@]}")
-read -r LINES COLUMNS < <(stty size)
-
-# Get terminal window size in pixels and set it to WIDTH and HEIGHT.
-export $(xdotool getactivewindow getwindowgeometry --shell)
-
-# Get the image size in pixels.
-read -r img_width img_height < <("$w3m" <<< "5;${CACHE:-$1}")
-
-((img_width > WIDTH)) && {
- ((img_height=img_height*WIDTH/img_width))
- ((img_width=WIDTH))
-}
-
-((img_height > HEIGHT)) && {
- ((img_width=img_width*HEIGHT/img_height))
- ((img_height=HEIGHT))
-}
-
-# Variable needed for centering image.
-HALF_HEIGHT=$(expr $HEIGHT / 2)
-HALF_WIDTH=$(expr $WIDTH / 2)
-HALF_IMG_HEIGHT=$(expr $img_height / 2)
-HALF_IMG_WIDTH=$(expr $img_width / 2)
-X_POS=$(expr $HALF_WIDTH - $HALF_IMG_WIDTH)
-Y_POS=$(expr $HALF_HEIGHT - $HALF_IMG_HEIGHT)
-
-clear_screen
-# Hide the cursor.
-printf '\e[?25l'
-
-# Display the image.
-printf '0;1;%s;%s;%s;%s;;;;;%s\n3;\n4\n' \
- ${X_POS:-0} \
- ${Y_POS:-0} \
- "$img_width" \
- "$img_height" \
- "${CACHE:-$1}" | "$w3m" &>/dev/null
-
-# Wait for user input.
-read -ern 1
-
-# Clear the image.
-printf '6;%s;%s;%s;%s\n3;' \
- "${X_POS:-0}" \
- "${Y_POS:-0}" \
- "$WIDTH" \
- "$HEIGHT" | "$w3m" &>/dev/null
-
-clear_screen
-
diff --git a/.config/lf/image b/.config/lf/image
@@ -1,17 +0,0 @@
-#!/usr/bin/env bash
-readonly ID_PREVIEW="preview"
-main() {
- case "$1" in
- "clear")
- declare -p -A cmd=([action]=remove [identifier]="$ID_PREVIEW") \
- > "$FIFO_UEBERZUG"
- ;;
- "draw")
- declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" \
- [x]="$3" [y]="$4" [max_width]="$5" [max_height]="$6" \
- [path]="$2") > "$FIFO_UEBERZUG"
- ;;
- "*") echo "Unknown command: '$1', '$2'" ;;
- esac
-}
-main "$@"
diff --git a/.config/lf/lfrc b/.config/lf/lfrc
@@ -1,4 +1,9 @@
# Basic Settings
+set ratios 1:2:3
+set previewer ~/.config/lf/preview
+set cleaner ~/.config/lf/cleaner
+set preview true
+set drawbox true
set ignorecase true
set icons true
diff --git a/.config/lf/lfub b/.config/lf/lfub
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# This is a wrapper script for lb that allows it to create image previews with
+# ueberzug. This works in concert with the lf configuration file and the
+# lf-cleaner script.
+
+set -e
+
+cleanup() {
+ exec 3>&-
+ rm "$FIFO_UEBERZUG"
+}
+
+if [ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ]; then
+ lf "$@"
+else
+ [ ! -d "$HOME/.cache/lf" ] && mkdir -p "$HOME/.cache/lf"
+ export FIFO_UEBERZUG="$HOME/.cache/lf/ueberzug-$$"
+ mkfifo "$FIFO_UEBERZUG"
+ ueberzug layer -s <"$FIFO_UEBERZUG" -p json &
+ exec 3>"$FIFO_UEBERZUG"
+ trap cleanup HUP INT QUIT TERM PWR EXIT
+ lf "$@" 3>&-
+fi
diff --git a/.config/lf/preview b/.config/lf/preview
@@ -1,48 +1,95 @@
#!/bin/sh
-# Clear the last preview (if any)
-$HOME/.config/lf/image clear
+image() {
+ if [ -n "$DISPLAY" ] && [ -z "$WAYLAND_DISPLAY" ]; 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 "$4x"
+ fi
+}
-# Calculate where the image should be placed on the screen.
-num=$(printf "%0.f\n" "`echo "$(tput cols) / 2" | bc`")
-numb=$(printf "%0.f\n" "`echo "$(tput cols) - $num - 1" | bc`")
-numc=$(printf "%0.f\n" "`echo "$(tput lines) - 2" | bc`")
+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
+}
-case "$1" 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";;
- *.7z) 7z l "$1";;
+glowormdcat() {
+ file="$1"
+ shift
+ if command -v glow > /dev/null 2>&1
+ then
+ glow "$file"
+ else
+ mdcat "$file"
+ fi
+}
+
+CACHE="$HOME/.cache/lf/thumbnail.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | awk '{print $1}'))"
+
+case "$(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)
+ glowormdcat "$1";;
+ *.7z) 7z l "$1" ;;
*.[1-8]) man "$1" | col -b ;;
- *.o) nm "$1" | less ;;
- *.torrent) transmission-show "$1";;
- *.iso) iso-info --no-header -l "$1";;
- *odt,*.ods,*.odp,*.sxw) odt2txt "$1";;
+ *.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" - ;;
- *.csv) cat "$1" | sed s/,/\\n/g ;;
+ *.docx) docx2txt "$1" ;;
+ *.xml|*.html) w3m -dump "$1";;
+ *.xls|*.xlsx)
+ 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 "$1"
+ ;;
*.pdf)
- CACHE=$(mktemp /tmp/thumbcache.XXXXX)
- pdftoppm -png -f 1 -singlefile "$1" "$CACHE"
- $HOME/.config/lf/image draw "$CACHE.png" $num 1 $numb $numc
+ [ ! -f "${CACHE}.jpg" ] && \
+ pdftoppm -jpeg -f 1 -singlefile "$1" "$CACHE"
+ image "${CACHE}.jpg" "$2" "$3" "$4" "$5"
;;
*.epub)
- CACHE=$(mktemp /tmp/thumbcache.XXXXX)
- epub-thumbnailer "$1" "$CACHE" 1024
- $HOME/.config/lf/image draw "$CACHE" $num 1 $numb $numc
+ [ ! -f "$CACHE" ] && \
+ epub-thumbnailer "$1" "$CACHE" 1024
+ image "$CACHE" "$2" "$3" "$4" "$5"
;;
- *.bmp|*.jpg|*.jpeg|*.png|*.xpm)
- $HOME/.config/lf/image draw "$1" $num 1 $numb $numc
+ *.cbz|*.cbr|*.cbt)
+ [ ! -f "$CACHE" ] && \
+ comicthumb "$1" "$CACHE" 1024
+ image "$CACHE" "$2" "$3" "$4" "$5"
;;
- *.wav|*.mp3|*.flac|*.m4a|*.wma|*.ape|*.ac3|*.og[agx]|*.spx|*.opus|*.as[fx]|*.flac) exiftool "$1";;
*.avi|*.mp4|*.wmv|*.dat|*.3gp|*.ogv|*.mkv|*.mpg|*.mpeg|*.vob|*.fl[icv]|*.m2v|*.mov|*.webm|*.ts|*.mts|*.m4v|*.r[am]|*.qt|*.divx)
- CACHE=$(mktemp /tmp/thumbcache.XXXXX)
- ffmpegthumbnailer -i "$1" -o "$CACHE" -s 0
- $HOME/.config/lf/image draw "$CACHE" $num 1 $numb $numc
+ [ ! -f "${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|*.tiff|*.gif|*.jfif|*.ico)
+ 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"
;;
- *) highlight --out-format ansi "$1" || cat "$1";;
esac
-
+exit 0
diff --git a/.config/lf/scope b/.config/lf/scope
@@ -0,0 +1,49 @@
+#!/bin/sh
+
+# File preview handler for lf.
+
+set -C -f
+IFS="$(printf '%b_' '\n')"; IFS="${IFS%_}"
+
+image() {
+ 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"
+ else
+ mediainfo "$6"
+ fi
+}
+
+ifub() {
+ [ -n "$DISPLAY" ] && [ -z "$WAYLAND_DISPLAY" ] && command -V ueberzug >/dev/null 2>&1
+}
+
+# Note that the cache file name is a function of file information, meaning if
+# an image appears in multiple places across the machine, it will not have to
+# be regenerated once seen.
+
+case "$(file --dereference --brief --mime-type -- "$1")" in
+ image/*) image "$1" "$2" "$3" "$4" "$5" "$1" ;;
+ text/html) lynx -width="$4" -display_charset=utf-8 -dump "$1" ;;
+ text/troff) man ./ "$1" | col -b ;;
+ text/* | */xml | application/json) bat --terminal-width "$(($4-2))" -f "$1" ;;
+ application/zip) atool --list -- "$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"
+ ;;
+ *opendocument*) odt2txt "$1" ;;
+ application/pgp-encrypted) gpg -d -- "$1" ;;
+esac
+exit 1
