set up vifm image preview

users/rouven/modules/packages.nix

@@ -4,11 +4,13 @@
     # essentials
     wpa_supplicant_gui
     pcmanfm
+    xdg-utils
 
     # graphics
     evince
     gimp
     mpv
+    ffmpeg
 
     # sound
     pavucontrol

users/rouven/modules/vifm/default.nix

@@ -1,6 +1,17 @@
 { config, pkgs, ... }:
 {
-  home.packages = with pkgs; [ vifm ];
+  home.packages = with pkgs; [
+    vifm
+    ffmpegthumbnailer
+    dumptorrent
+    poppler_utils
+    fontpreview
+  ];
   xdg.configFile."vifm/vifmrc".source = ./vifmrc;
   xdg.configFile."vifm/colors/dracula.vifm".source = ./dracula.vifm;
+  xdg.configFile."vifm/scripts/vifm-sixel" = {
+    executable = true;
+    source = ./vifm-sixel;
+  };
+
 }

users/rouven/modules/vifm/vifm-sixel

@@ -0,0 +1,55 @@
+#!/run/current-system/sw/bin/bash
+
+[ -d "$HOME/.cache/vifm" ] || mkdir -p "$HOME/.cache/vifm"
+
+# $1 action
+action="$1"
+# $2 panel width
+# $3 panel height
+panel_width=$2
+panel_height=$3
+cell_width=10
+cell_height=18
+width=$((panel_width*cell_width))
+height=$((panel_height*cell_height))
+# $4 image path
+image_file="$4"
+background=black
+
+PCACHE="$HOME/.cache/vifm/thumbnail.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$PWD/$image_file")" | sha256sum | awk '{print $1}')"
+
+cleanup() {
+		printf '\33[s\33[5A\33[2K\33[u'
+		clear
+		exit 0
+}
+
+case "$action" in
+	"clear")
+		cleanup
+		;;
+	"draw")
+	img2sixel -S --width=$width $image_file
+		;;
+	"video")
+		[ ! -f "${PCACHE}.jpg" ] && \
+		ffmpegthumbnailer -i "$4" -o "${PCACHE}.jpg" -s 0 -q 5
+	img2sixel --width=$width ${PCACHE}.jpg
+		;;
+	"epub")
+		[ ! -f "${PCACHE}.jpg" ] && \
+		epub-thumbnailer "$image_file" "$PCACHE" 1024
+	img2sixel --width=$width --height=$height ${PCACHE}.jpg
+		;;
+	"pdf")
+		[ ! -f "${PCACHE}.jpg" ] && \
+		pdftoppm -jpeg -f 1 -singlefile "$image_file" "$PCACHE"
+	img2sixel --height=$height ${PCACHE}.jpg
+		;;
+	"font")
+		[ ! -f "${PCACHE}.jpg" ] && \
+		fontpreview -i "$image_file" -o "${PCACHE}.jpg"
+	img2sixel --width=$width --height=$height ${PCACHE}.jpg
+		;;
+	*)
+esac

users/rouven/modules/vifm/vifmrc

@@ -1,24 +1,12 @@
 " vim: filetype=vifm :
 
-
-" Command used to edit files in various contexts.  The default is vim.
-" If you would like to use another vi clone such as Elvis or Vile
-" you will need to change this setting.
-
 set vicmd=nvim
-" set vicmd=elvis\ -G\ termcap
-" set vicmd=vile
 
-" This makes vifm perform file operations on its own instead of relying on
-" standard utilities like `cp`.  While using `cp` and alike is a more universal
-" solution, it's also much slower when processing large amounts of files and
-" doesn't support progress measuring.
 set syscalls
 
 " Trash Directory
 set trash
 
-" This is how many directories to store in the directory history.
 set history=100
 
 " Automatically resolve symbolic links on l or Enter.
@@ -26,7 +14,7 @@ set nofollowlinks
 
 " With this option turned on you can run partially entered commands with
 " unambiguous beginning using :! (e.g. :!Te instead of :!Terminal or :!Te<tab>).
-" set fastrun
+set fastrun
 
 " Natural sort of (version) numbers within text.
 set sortnumbers
@@ -41,27 +29,14 @@ set vimhelp
 " press return on the file name set this.
 set norunexec
 
-" Selected color scheme
 colorscheme dracula
 
-" Format for displaying time in file list. For example:
-" TIME_STAMP_FORMAT=%m/%d-%H:%M
-" See man date or man strftime for details.
 set timefmt=%m/%d\ %H:%M
 
-" Show list of matches on tab completion in command-line mode
 set wildmenu
-
-" Display completions in a form of popup with descriptions of the matches
 set wildstyle=popup
-
-" Display suggestions in normal, visual and view modes for keys, marks and
-" registers (at most 5 files).  In other view, when available.
-
 set suggestoptions=normal,visual,view,otherpane,keys,marks,registers
 
-" Ignore case in search patterns unless it contains at least one uppercase
-" letter
 set ignorecase
 set smartcase
 
@@ -112,63 +87,10 @@ command! mkcd :mkdir %a | cd %a
 command! vgrep vim "+grep %a"
 command! reload :write | restart
 
-" ------------------------------------------------------------------------------
-
-" The file type is for the default programs to be used with
-" a file extension.
-" :filetype pattern1,pattern2 defaultprogram,program2
-" :fileviewer pattern1,pattern2 consoleviewer
-" The other programs for the file type can be accessed with the :file command
-" The command macros %f, %F, %d, %F may be used in the commands.
-" The %a macro is ignored.  To use a % you must put %%.
-
-" For automated FUSE mounts, you must register an extension with :file[x]type
-" in one of following formats:
-"
-" :filetype extensions FUSE_MOUNT|some_mount_command using %SOURCE_FILE and %DESTINATION_DIR variables
-" %SOURCE_FILE and %DESTINATION_DIR are filled in by vifm at runtime.
-" A sample line might look like this:
-" :filetype *.zip,*.jar,*.war,*.ear FUSE_MOUNT|fuse-zip %SOURCE_FILE %DESTINATION_DIR
-"
-" :filetype extensions FUSE_MOUNT2|some_mount_command using %PARAM and %DESTINATION_DIR variables
-" %PARAM and %DESTINATION_DIR are filled in by vifm at runtime.
-" A sample line might look like this:
-" :filetype *.ssh FUSE_MOUNT2|sshfs %PARAM %DESTINATION_DIR
-" %PARAM value is filled from the first line of file (whole line).
-" Example first line for SshMount filetype: root@127.0.0.1:/
-"
-" You can also add %CLEAR if you want to clear screen before running FUSE
-" program.
-
-" Pdf
-filextype *.pdf evince
-
-" Audio
-filetype *.wav,*.mp3,*.flac,*.m4a,*.wma,*.ape,*.ac3,*.og[agx],*.spx,*.opus
-       \ {Play using VLC}
-       \ vlc,
-
-" Video
-filextype *.avi,*.mp4,*.wmv,*.dat,*.3gp,*.ogv,*.mkv,*.mpg,*.mpeg,*.vob,
-         \*.fl[icv],*.m2v,*.mov,*.webm,*.ts,*.mts,*.m4v,*.r[am],*.qt,*.divx,
-         \*.as[fx]
-        \ {Play using VLC}
-        \ vlc,
-
-" Web
-filextype *.html,*.htm
-        \ {Open with firefox}
-        \ firefox %f &,
-
 " Man page
 filetype *.[1-8] man ./%c
 fileviewer *.[1-8] man ./%c | col -b
 
-" Images
-filextype *.bmp,*.jpg,*.jpeg,*.png,*.gif,*.xpm
-        \ {View in okular}
-        \ okular,
-
 " MD5
 filetype *.md5
        \ {Check MD5 hash sum}
@@ -195,7 +117,7 @@ filetype *.asc
        \ !!gpg --verify %c,
 
 " Torrent
-filetype *.torrent ktorrent %f &
+filetype *.torrent transmission-gtk %f &
 fileviewer *.torrent dumptorrent -v %c
 
 " FuseZipMount
@@ -249,57 +171,37 @@ filextype *.odt,*.doc,*.docx,*.xls,*.xlsx,*.odp,*.pptx libreoffice %f &
 fileviewer *.doc catdoc %c
 fileviewer *.docx docx2txt.pl %f -
 
-" Syntax highlighting in preview
-"
-" Explicitly set highlight type for some extensions
-"
-" 256-color terminal
-" fileviewer *.[ch],*.[ch]pp highlight -O xterm256 -s dante --syntax c %c
-" fileviewer Makefile,Makefile.* highlight -O xterm256 -s dante --syntax make %c
-"
-" 16-color terminal
-" fileviewer *.c,*.h highlight -O ansi -s dante %c
-"
-" Or leave it for automatic detection
-"
-" fileviewer *[^/] pygmentize -O style=monokai -f console256 -g
-
 " Displaying pictures in terminal
-"
+    fileviewer *.pdf
-" fileviewer *.jpg,*.png shellpic %c
+        \ vifm-sixel pdf %pw %ph %c %pd
+        \ %pc
+        \ vifm-sixel clear
 
-" Open all other files with default system programs (you can also remove all
+    fileviewer *.epub
-" :file[x]type commands above to ensure they don't interfere with system-wide
+        \ vifm-sixel epub %pw %ph %c %pd
-" settings).  By default all unknown files are opened with 'vi[x]cmd'
+        \ %pc
-" uncommenting one of lines below will result in ignoring 'vi[x]cmd' option
+        \ vifm-sixel clear
-" for unknown file types.
-" For *nix:
-" filetype * xdg-open
-" For OS X:
-" filetype * open
-" For Windows:
-" filetype * start, explorer
 
-" ------------------------------------------------------------------------------
+    fileviewer <video/*>
+        \ vifm-sixel video %pw %ph %c %pd
+        \ %pc
+        \ vifm-sixel clear
 
-" What should be saved automatically between vifm sessions.  Drop "savedirs"
+    fileviewer <image/*>
-" value if you don't want vifm to remember last visited directories for you.
+        \ vifm-sixel draw %pw %ph %c %pd
-set vifminfo=dhistory,savedirs,chistory,state,tui,shistory,
+        \ %pc
-    \phistory,fhistory,dirstack,registers,bookmarks,bmarks
+        \ vifm-sixel clear
 
-" ------------------------------------------------------------------------------
+    fileviewer <audio/*>
+        \ ffmpeg -i %c -hide_banner -f null /dev/null
 
-" Examples of configuring both panels
+    fileviewer <font/*>
+        \ vifm-sixel font %pw %ph %c %pd
+        \ %pc
+        \ vifm-sixel clear
 
-" Customize view columns a bit (enable ellipsis for truncated file names)
-"
-" set viewcolumns=-{name}..,6{}.
 
-" Filter-out build and temporary files
+filetype * xdg-open
-"
-" filter! /^.*\.(lo|o|d|class|py[co])$|.*~$/
-
-" ------------------------------------------------------------------------------
 
 " Better quit command"
 command Q :q

users/rouven/modules/zsh/default.nix

@@ -4,7 +4,6 @@
     enable = true;
     shellAliases = {
       rm = "trash";
-      vifm = "vifm .";
     };
     history = {
       size = 10000;