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author | lvgx <l@vgx.fr> | 2020-05-17 14:08:29 +0200 |
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committer | GitHub <noreply@github.com> | 2020-05-17 17:38:29 +0530 |
commit | a17ef6699da90cc03789f33bae9d02ae2e5aae5b (patch) | |
tree | 74d715ebfb74d39f9211e743247783990572a72a | |
parent | 5ea6bc338bdb1335a2ce87e35ffdfdac9ea0b8db (diff) | |
download | nnn-a17ef6699da90cc03789f33bae9d02ae2e5aae5b.tar.gz |
Add a preview-kitty plugin (#577)
-rw-r--r-- | plugins/README.md | 1 | ||||
-rwxr-xr-x | plugins/preview-kitty | 71 |
2 files changed, 72 insertions, 0 deletions
diff --git a/plugins/README.md b/plugins/README.md index d6a3ddb..3d770ea 100644 --- a/plugins/README.md +++ b/plugins/README.md @@ -61,6 +61,7 @@ Plugins are installed to `${XDG_CONFIG_HOME:-$HOME/.config}/nnn/plugins`. | pdfread | Read a PDF or text file aloud | sh | pdftotext, mpv,<br>pico2wave | | pdfview | View PDF file in `$PAGER` | sh | pdftotext/<br>mupdf-tools | | picker | Pick files and list one per line (to pipe) | sh | nnn | +| preview-kitty | File previewer in a kitty terminal pane | sh | [kitty](https://sw.kovidgoyal.net/kitty/), Optionally:<br>[exa](https://github.com/ogham/exa) [bat](https://github.com/sharkdp/bat) mediainfo | | preview-tabbed | `tabbed`/xembed based file previewer | bash | _see in-file docs_ | | preview-tui | Simple TUI file previewer (needs NNN_FIFO) | sh | tmux (>= 3.0)/xterm/<br>\$TERMINAL, file, tree | | pskill | Fuzzy list by name and kill process or zombie | sh | fzf, ps, sudo/doas | diff --git a/plugins/preview-kitty b/plugins/preview-kitty new file mode 100755 index 0000000..4bff54d --- /dev/null +++ b/plugins/preview-kitty @@ -0,0 +1,71 @@ +#!/usr/bin/env sh + +# Description: File previewer for kitty term using NNN_FIFO +# +# Dependencies: +# - kitty (https://sw.kovidgoyal.net/kitty/) with allow_remote_control on +# - file +# - exa (https://github.com/ogham/exa) (fallback: ls) +# - bat (https://github.com/sharkdp/bat) (fallback: cat) +# - mediainfo (fallback: file) +# +# Usage: +# This plugin only works in kitty (https://sw.kovidgoyal.net/kitty/), +# and with kitty's 'allow_remote_control' option turned on. +# You need to set a NNN_FIFO path and set a key for the plugin, +# then start `nnn`: +# +# $ NNN_FIFO=/tmp/nnn.fifo nnn +# +# Then in `nnn`, launch the `preview-kitty` plugin. +# +# If you provide the same NNN_FIFO to all nnn instances, there will be a +# single common preview window. I you provide different FIFO path, they +# will be independent. +# +# Shell: POSIX compliant +# Authors: Léo Villeveygoux + +preview_file () { + clear + lines=$(($(tput lines)-1)) + cols=$(tput cols) + mime="$(file -b --mime-type "$1")" + + if [ -d "$1" ]; then + # Print directory tree + # shellcheck disable=SC2015 + cd "$1" && \ + COLUMNS=$cols exa -G --colour=always 2>/dev/null || ls --color=alway + elif [ "${mime%%/*}" = "text" ] ; then + # Print file head + bat --terminal-width="$cols" --paging=never --decorations=always \ + --color=always "$1" 2>/dev/null || cat + elif [ "${mime%%/*}" = "image" ] ; then + kitty +kitten icat --silent --transfer-mode=stream --stdin=no "$1" + else + # Binary file + printf -- "-------- \033[1;31mBinary file\033[0m --------\n" + mediainfo "$1" 2>/dev/null || file -b "$1" + fi | head -n $lines +} + +if [ "$PREVIEW_MODE" ] ; then + if [ ! -r "$NNN_FIFO" ] ; then + echo "No FIFO available! (\$NNN_FIFO='$NNN_FIFO')" >&2 + read -r + exit 1 + fi + + preview_file "$1" + + exec < "$NNN_FIFO" + while read -r selection ; do + preview_file "$selection" + done + exit 0 +fi + +kitty @ launch --no-response --title "nnn preview" --keep-focus \ + --cwd="$PWD" --env "NNN_FIFO=$NNN_FIFO" --env "PREVIEW_MODE=1" \ + "$0" "$1" > /dev/null |