diff --git a/wiki/linux/vifm.md b/wiki/linux/vifm.md index 90ae62f..ddd6421 100644 --- a/wiki/linux/vifm.md +++ b/wiki/linux/vifm.md @@ -12,8 +12,9 @@ Some distributions also feature the `vifm` package. #### Image Previews with Ueberzug -This section is based on a +This section is based on a now outdated [video by Distrotube](https://www.youtube.com/watch?v=qgxsduCO1pE). +This is the updated version that is currently usable. First you need to install Überzug on your system. Überzug was provided by [seebye](https://github.com/seebye/ueberzug) but this project is now unmaintained. @@ -22,7 +23,8 @@ An alternative to using this project is alternative. It can be installed by the [Arch User Repository package `ueberzugpp`](/wiki/linux/package_manager.md#arch-linux-pacman-and-yay). -After that you need to add 2 files to your path: +After that you need to add 2 files to your path which can be found on +[thimc' Repository](https://github.com/thimc/vifmimg): - vifmimg - vifmrun @@ -32,199 +34,127 @@ If you want to preview files vifmrun you will start vifmrun instead of vifm. vifmrun: ```sh -#!/usr/bin/env bash - -# by cirala, checkout github.com/cirala/vifmimg - -export FIFO_UEBERZUG="/tmp/vifm-ueberzug-${PPID}" - -if [ ! -f "/usr/bin/ueberzug" ]; then - vifm - exit +#!/bin/sh + +if [ -z "$(command -v vifm)" ]; then + printf "vifm isn't installed on your system!\n" + exit 1 +elif [ -z "$(command -v ueberzug)" ]; then + exec vifm "$@" +else + cleanup() { + exec 3>&- + rm "$FIFO_UEBERZUG" + } + [ ! -d "$HOME/.cache/vifm" ] && mkdir -p "$HOME/.cache/vifm" + export FIFO_UEBERZUG="$HOME/.cache/vifm/ueberzug-${$}" + mkfifo "$FIFO_UEBERZUG" + ueberzug layer -s <"$FIFO_UEBERZUG" -p json & + exec 3>"$FIFO_UEBERZUG" + trap cleanup EXIT + vifm "$@" 3>&- + vifmimg clear fi - -function cleanup { - rm "$FIFO_UEBERZUG" 2>/dev/null - pkill -P $$ 2>/dev/null -} -pkill -P $$ 2>/dev/null -rm "$FIFO_UEBERZUG" 2>/dev/null -mkfifo "$FIFO_UEBERZUG" >/dev/null -trap cleanup EXIT 2>/dev/null -tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser bash 2>&1 >/dev/null & - -vifm "$@" -cleanup ``` vifmimg: ```sh -#!/usr/bin/env bash -readonly ID_PREVIEW="preview" - -#PLAY_GIF="yes" -# By enabling this option the GIF will be animated, by leaving it commented like it -# is now will make the gif previews behave the same way as video previews. - -#AUTO_REMOVE="yes" -# By enabling this option the script will remove the preview file after it is drawn -# and by doing so the preview will always be up-to-date with the file. -# This however, requires more CPU and therefore affects the overall performance. - -# The messy code below is for moving pages in pdf files in the vifm file preview by -# utilizing the < and > keys which will be bound to `vifmimg inc` or `vifmimg dec`. -# by cirala, checkout github.com/cirala/vifmimg - -PDF_PAGE_CONFIG="$HOME/.config/vifm/vifmimgpdfpage" -PDF_FILE_CONFIG="$HOME/.config/vifm/vifmimgpdffile" -PDF_PAGE=1 -PDF_FILE="" -# Initialize the variables and required files -[[ -f "$PDF_PAGE_CONFIG" ]] && PDF_PAGE=$(cat $PDF_PAGE_CONFIG) || touch $PDF_PAGE_CONFIG -[[ -f "$PDF_FILE_CONFIG" ]] && PDF_FILE=$(cat $PDF_FILE_CONFIG) || touch $PDF_FILE_CONFIG - - -# Create temporary working directory if the directory structure doesn't exist -if [[ ! -d "/tmp$PWD/" ]]; then - mkdir -p "/tmp$PWD/" -fi - -function inc() { - VAL="$(cat $PDF_PAGE_CONFIG)" - echo "$(expr $VAL + 1)" > $PDF_PAGE_CONFIG -} - -function dec() { - VAL="$(cat $PDF_PAGE_CONFIG)" - echo "$(expr $VAL - 1)" > $PDF_PAGE_CONFIG - if [[ $VAL -le 0 ]]; then - echo 0 > $PDF_PAGE_CONFIG - fi -} - -function previewclear() { - declare -p -A cmd=([action]=remove [identifier]="$ID_PREVIEW") \ - > "$FIFO_UEBERZUG" -} - -function fileclean() { - if [[ -f "/tmp$PWD/$6.png" ]]; then - rm -f "/tmp$PWD/$6.png" - elif [[ -d "/tmp$PWD/$6/" ]]; then - rm -rf "/tmp$PWD/$6/" - fi -} +#!/bin/sh -function preview() { - declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" - [x]="$2" [y]="$3" [width]="$4" [height]="$5" \ - [path]="$PWD/$6") \ - > "$FIFO_UEBERZUG" -} - -function previewvideo() { - if [[ ! -f "/tmp$PWD/$6.png" ]]; then - ffmpegthumbnailer -i "$PWD/$6" -o "/tmp$PWD/$6.png" -s 0 -q 10 - fi - declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" - [x]="$2" [y]="$3" [width]="$4" [height]="$5" \ - [path]="/tmp$PWD/$6.png") \ - > "$FIFO_UEBERZUG" -} - -function previewepub() { - if [[ ! -f "/tmp$PWD/$6.png" ]]; then - epub-thumbnailer "$6" "/tmp$PWD/$6.png" 1024 - fi - declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" - [x]="$2" [y]="$3" [width]="$4" [height]="$5" \ - [path]="/tmp$PWD/$6.png") \ - > "$FIFO_UEBERZUG" -} - -function previewaudio() { - if [[ ! -f "/tmp${PWD}/$6.png" ]]; then - ffmpeg -i "$6" "/tmp${PWD}/$6.png" -y &> /dev/null - fi - declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" - [x]="$2" [y]="$3" [width]="$4" [height]="$5" \ - [path]="/tmp${PWD}/$6.png") \ - > "$FIFO_UEBERZUG" -} +PCACHE="$HOME/.cache/vifm/thumbnail.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$PWD/$6")" | sha256sum)" +export PCACHE="${PCACHE%% *}" -function previewgif() { - if [[ ! -d "/tmp$PWD/$6/" ]]; then - mkdir -p "/tmp$PWD/$6/" - convert -coalesce "$PWD/$6" "/tmp$PWD/$6/$6.png" - fi - if [[ ! -z "$PLAY_GIF" ]]; then - for frame in $(ls -1 /tmp$PWD/$6/$6*.png | sort -V); do - declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" - [x]="$2" [y]="$3" [width]="$4" [height]="$5" \ - [path]="$frame") \ - > "$FIFO_UEBERZUG" - # Sleep between frames to make the animation smooth. - sleep .07 - done - else - declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" - [x]="$2" [y]="$3" [width]="$4" [height]="$5" \ - [path]="/tmp$PWD/$6/$6-0.png") \ - > "$FIFO_UEBERZUG" - fi +pclear() { + printf '{"action": "remove", "identifier": "vifm-preview"}\n' > "$FIFO_UEBERZUG" } -function previewpdf() { - if [[ ! "$6" == "$PDF_FILE" ]]; then - PDF_PAGE=1 - echo 1 > $PDF_PAGE_CONFIG - rm -f "/tmp$PWD/$6.png" - fi - - if [[ ! "$PDF_PAGE" == "1" ]] && [[ -f "/tmp$PWD/$6.png" ]]; then - rm -f "/tmp$PWD/$6.png" - fi - - if [[ ! -f "/tmp$PWD/$6.png" ]]; then - pdftoppm -png -f $PDF_PAGE -singlefile "$6" "/tmp$PWD/$6" - fi - echo "$6" > $PDF_FILE_CONFIG - - declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" - [x]="$2" [y]="$3" [width]="$4" [height]="$5" \ - [path]="/tmp$PWD/$6.png") \ - > "$FIFO_UEBERZUG" +image() { + printf '{"action": "add", "identifier": "vifm-preview", "x": "%s", "y": "%s", "width": "%s", "height": "%s", "scaler": "contain", "path": "%s"}\n' "$2" "$3" "$4" "$5" "$6" > "$FIFO_UEBERZUG" } - -function previewmagick() { - if [[ ! -f "/tmp$PWD/$6.png" ]]; then - convert -thumbnail $(identify -format "%wx%h" "$6") "$PWD/$6" "/tmp$PWD/$6.png" - fi - declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" - [x]="$2" [y]="$3" [width]="$4" [height]="$5" \ - [path]="/tmp$PWD/$6.png") \ - > "$FIFO_UEBERZUG" -} - - - -function main() { +main() { case "$1" in - "inc") inc "$@" ;; - "dec") dec "$@" ;; - "clear") previewclear "$@" ;; - "clean") fileclean "$@" ;; - "draw") preview "$@" ;; - "videopreview") previewvideo "$@" ;; - "epubpreview") previewepub "$@" ;; - "gifpreview") previewgif "$@" ;; - "pdfpreview") previewpdf "$@" ;; - "magickpreview") previewmagick "$@" ;; - "audiopreview") previewaudio "$@" ;; - "*") echo "Unknown command: '$@'" ;; + "clear") + pclear "$@" + ;; + "draw") + FILE="$PWD/$6" + image "$1" "$2" "$3" "$4" "$5" "$FILE" + ;; + "video") + [ ! -f "$PCACHE" ] && \ + ffmpegthumbnailer -i "$6" -o "${PCACHE}.jpg" -s 0 -q 5 + image "$1" "$2" "$3" "$4" "$5" "${PCACHE}.jpg" + ;; + "epub") + [ ! -f "$PCACHE" ] && \ + epub-thumbnailer "$6" "$PCACHE" 1024 + image "$1" "$2" "$3" "$4" "$5" "$PCACHE" + ;; + "pdf") + [ ! -f "${PCACHE}.jpg" ] && \ + pdftoppm -jpeg -f 1 -singlefile "$6" "$PCACHE" + image "$1" "$2" "$3" "$4" "$5" "${PCACHE}.jpg" + ;; + "djvu") + [ ! -f "${PCACHE}.jpg" ] && \ + ddjvu -format=tiff -quality=90 -page=1 "$6" "$PCACHE.jpg" + image "$1" "$2" "$3" "$4" "$5" "${PCACHE}.jpg" + ;; + "audio") + [ ! -f "${PCACHE}.jpg" ] && \ + ffmpeg -hide_banner -i "$6" "${PCACHE}.jpg" -y >/dev/null + image "$1" "$2" "$3" "$4" "$5" "${PCACHE}.jpg" + ;; + "font") + [ ! -f "${PCACHE}.jpg" ] && \ + fontpreview -i "$6" -o "${PCACHE}.jpg" + image "$1" "$2" "$3" "$4" "$5" "${PCACHE}.jpg" + ;; + *) esac } main "$@" ``` + +Additionally the following lines can be inserted into the configuration of vifm +`~/.config/vifm/vifmrc` as needed. +They provide previews for various possible types of file extensions. + +```txt +fileviewer *.pdf + \ vifmimg pdf %px %py %pw %ph %c + \ %pc + \ vifmimg clear + +fileviewer *.djvu + \ vifmimg djvu %px %py %pw %ph %c + \ %pc + \ vifmimg clear + +fileviewer *.epub + \ vifmimg epub %px %py %pw %ph %c + \ %pc + \ vifmimg clear + +fileviewer