Merge branch 'arch' into gentoo

This commit is contained in:
ItsDrike 2021-07-26 19:11:01 +02:00
commit 3372513a64
No known key found for this signature in database
GPG key ID: B5F6B41F708C3ADD
4 changed files with 148 additions and 1 deletions

6
home/.config/lf/clear_img.sh Executable file
View file

@ -0,0 +1,6 @@
#!/bin/sh
readonly PREVIEW_ID="preview"
printf '{"action": "remove", "identifier": "%s"}\n' "$PREVIEW_ID" > "$FIFO_UEBERZUG"

11
home/.config/lf/draw_img.sh Executable file
View file

@ -0,0 +1,11 @@
#!/bin/sh
readonly PREVIEW_ID="preview"
printf '{"action": "add", "identifier": "%s", "x": %d, "y": %d, "width": %d, "height": %d, "scaler": "contain", "scaling_position_x": 0.5, "scaling_position_y": 0.5, "path": "%s"}\n' \
"$PREVIEW_ID" "$2" "$3" "$4" "$5" "$1" > "$FIFO_UEBERZUG"
#declare -p -A cmd=([action]=add [identifier]="$PREVIEW_ID" \
# [x]="$2" [y]="$3" [max_width]="$4" [max_height]="$5" \
# [path]="$1") > "$FIFO_UEBERZUG"

View file

@ -1,5 +1,6 @@
# Basic settings
set previewer ~/.config/lf/previewer
set previewer ~/.config/lf/previewer.sh
set cleaner ~/.config/lf/clear_img.sh
set preview true
set hidden true
set drawbox true

129
home/.config/lf/previewer.sh Executable file
View file

@ -0,0 +1,129 @@
#!/bin/sh
# This script handles showing file-previews within lf.
# It can also show image previews using ueberzug, however
# that requires lf to be start with a script that also starts
# ueberzug alongside of it.
# (In my dotfiles, this script is in '~/.local/bin/scripts/lfu')
run_cmd() {
# Try to run given command, if it is installed.
# If it isn't try to fallback to text_handle,
# otherwise fail completely.
cmd="$1"
shift
if command -v "$cmd" > /dev/null; then
$cmd $@
else
# If we didn't found the requested command, check if
# the file is text-like and try to use the text_handle
# to show the preview, this may not be ideal for given
# file-format, but at least we won't fail.
case $(file --mime-type "$1" -bL) in
# TODO: Consider checking for UTF-8 formatting instead,
# or show previews for any file-type
text/*|application/json)
echo "@@PREVIEW FALLBACK: Using text handle, $cmd command not found!"
text_handle "$1"
;;
*)
echo "@@PREVIEW ERROR: Preview failed, $cmd command not found!"
;;
esac
fi
}
draw_image() {
# Draw passed image with use of given draw_script.
# If the image contains EXIF (metadata) orientation info,
# handle it and draw the rotated image.
draw_script="$1"
file="$2"
shift
shift
# Calculate where the image should be placed on the screen.
num=$(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 "$(tput lines) - 2" | bc`")
# Handle EXIF (metadata) orientation.
exif_orientation="$(identify -format '%[EXIF:Orientation]\n' -- "$file")"
if [ -n "$exif_orientation" ] && [ "$exif_orientation" != 1 ]; then
# In case `convert` command isn't aviable, ignore EXIF rotation
if command -v convert > /dev/null; then
cache=$(mktemp /tmp/thumbcache.XXXXX)
convert -- "$file" -auto-orient "$cache"
$draw_script "$cache" $num 1 $numb $numc
else
$draw_script "$file" $num 1 $numb $numc
fi
else
$draw_script "$file" $num 1 $numb $numc
fi
# Exit with status code 1 to signal lf that the function
# should be re-ran next time instead of caching the result.
exit 1
}
image_handle() {
# Control function for showing/cleaning image previews
draw_script="${XDG_CONFIG_HOME:-$HOME/.config}/lf/draw_img.sh"
file="$1"
shift
if [ -n "$FIFO_UEBERZUG" ] && [ -f "$draw_script" ]; then
draw_image $draw_script $file
else
# Fallback to mediainfo preview
echo "@@PREVIEW FALLBACK: Using mediainfo, ueberzug isn't aviable."
run_cmd mediainfo "$file"
fi
}
text_handle() {
width="$(tput cols)"
echo "Limiting to $width"
# Handle all other formats as text and cat them
# if highlighting tools are aviable, try to use them
if command -v bat > /dev/null; then
bat -pp --color=always "$1"
elif command -v highlight > /dev/null; then
highlight "$1" --out-format ansi --force
else
cat "$1"
fi
}
# Capture all directories at first, since they could
# potentionally match one of the file case statements
if [ -d "$1" ]; then
tree "$1" -La 1
elif [ -f "$1" ]; then
case "$1" in
*.tgz|*.tar.gz) run_cmd tar tzf "$1";;
*.tar.bz2|*.tbz2) run_cmd tar tjf "$1";;
*.tar.txz|*.txz) run_cmd xz --list "$1";;
*.tar) run_cmd tar tf "$1";;
*.zip|*.jar|*.war|*.ear|*.oxt) run_cmd unzip -l "$1";;
*.rar) run_cmd unrar l "$1";;
*.7z) run_cmd 7z l "$1";;
*.iso) run_cmd iso-info --no-header -l "$1";;
*.o) run_cmd nm "$1" | less ;;
*.csv) cat "$1" | sed s/,/\\n/g ;;
*odt,*.ods,*.odp,*.sxw) run_cmd odt2txt "$1";;
*.doc) run_cmd catdoc "$1" ;;
*.docx) run_cmd docx2txt "$1" - ;;
*.torrent) run_cmd transmission-show "$1";;
*.pdf) run_cmd pdftotext "$1";;
*.bmp|*.jpg|*.jpeg|*.png|*.xpm) image_handle "$1" ;;
*.wav|*.mp3|*.flac|*.m4a|*.wma|*.ape|*.ac3|*.og[agx]|*.spx|*.opus|*.as[fx]|*.flac) run_cmd 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
image_handle "$cache"
;;
*) text_handle "$1" ;;
esac
fi