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feat: update the preview script

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benexl
2025-01-29 18:47:12 +03:00
parent d7dc63e003
commit 60b74bee18
2 changed files with 44 additions and 46 deletions
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85
fastanime/cli/utils/scripts.py
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@@ -1,53 +1,46 @@
fzf_preview = r"""
#
# Adapted from the preview script in the fzf repo
#
# Dependencies:
# - https://github.com/hpjansson/chafa
# - https://iterm2.com/utilities/imgcat
#
fzf-preview() {
file=${1/#\~\//$HOME/}
dim=${FZF_PREVIEW_COLUMNS}x${FZF_PREVIEW_LINES}
if [[ $dim = x ]]; then
dim=$(stty size </dev/tty | awk '{print $2 "x" $1}')
elif ! [[ $KITTY_WINDOW_ID ]] && ((FZF_PREVIEW_TOP + FZF_PREVIEW_LINES == $(stty size </dev/tty | awk '{print $1}'))); then
# Avoid scrolling issue when the Sixel image touches the bottom of the screen
# * https://github.com/junegunn/fzf/issues/2544
dim=${FZF_PREVIEW_COLUMNS}x$((FZF_PREVIEW_LINES - 1))
fi
fzf_preview() {
file=$1
# 1. Use kitty icat on kitty terminal
if [[ $KITTY_WINDOW_ID ]]; then
# 1. 'memory' is the fastest option but if you want the image to be scrollable,
# you have to use 'stream'.
#
# 2. The last line of the output is the ANSI reset code without newline.
# This confuses fzf and makes it render scroll offset indicator.
# So we remove the last line and append the reset code to its previous line.
kitty icat --clear --transfer-mode=memory --unicode-placeholder --stdin=no --place="$dim@0x0" "$file" | sed '$d' | sed $'$s/$/\e[m/'
dim=${FZF_PREVIEW_COLUMNS}x${FZF_PREVIEW_LINES}
if [ "$dim" = x ]; then
dim=$(stty size </dev/tty | awk "{print \$2 \"x\" \$1}")
fi
if ! [ "$FASTANIME_IMAGE_RENDERER" = "icat" ] && [ -z "$KITTY_WINDOW_ID" ] && [ "$((FZF_PREVIEW_TOP + FZF_PREVIEW_LINES))" -eq "$(stty size </dev/tty | awk "{print \$1}")" ]; then
dim=${FZF_PREVIEW_COLUMNS}x$((FZF_PREVIEW_LINES - 1))
fi
# 2. Use chafa with Sixel output
elif command -v chafa >/dev/null; then
case "$(uname -a)" in
# termux does not support sixel graphics
# and produces weird output
*ndroid*) chafa -s "$dim" "$file";;
*) chafa -f sixel -s "$dim" "$file";;
esac
# Add a new line character so that fzf can display multiple images in the preview window
echo
if [ "$FASTANIME_IMAGE_RENDERER" = "icat" ] && [ -z "$GHOSTTY_BIN_DIR" ]; then
if command -v kitten >/dev/null 2>&1; then
kitten icat --clear --transfer-mode=memory --unicode-placeholder --stdin=no --place="$dim@0x0" "$file" | sed "\$d" | sed "$(printf "\$s/\$/\033[m/")"
elif command -v icat >/dev/null 2>&1; then
icat --clear --transfer-mode=memory --unicode-placeholder --stdin=no --place="$dim@0x0" "$file" | sed "\$d" | sed "$(printf "\$s/\$/\033[m/")"
else
kitty icat --clear --transfer-mode=memory --unicode-placeholder --stdin=no --place="$dim@0x0" "$file" | sed "\$d" | sed "$(printf "\$s/\$/\033[m/")"
fi
# 3. If chafa is not found but imgcat is available, use it on iTerm2
elif command -v imgcat >/dev/null; then
# NOTE: We should use https://iterm2.com/utilities/it2check to check if the
# user is running iTerm2. But for the sake of simplicity, we just assume
# that's the case here.
imgcat -W "${dim%%x*}" -H "${dim##*x}" "$file"
elif [ -n "$GHOSTTY_BIN_DIR" ]; then
if command -v kitten >/dev/null 2>&1; then
kitten icat --clear --transfer-mode=memory --unicode-placeholder --stdin=no --place="$dim@0x0" "$file" | sed "\$d" | sed "$(printf "\$s/\$/\033[m/")"
elif command -v icat >/dev/null 2>&1; then
icat --clear --transfer-mode=memory --unicode-placeholder --stdin=no --place="$dim@0x0" "$file" | sed "\$d" | sed "$(printf "\$s/\$/\033[m/")"
else
chafa -s "$dim" "$file"
fi
elif command -v chafa >/dev/null 2>&1; then
case "$PLATFORM" in
android) chafa -s "$dim" "$file" ;;
windows) chafa -f sixel -s "$dim" "$file" ;;
*) chafa -s "$dim" "$file" ;;
esac
echo
# 4. Cannot find any suitable method to preview the image
else
echo install chafa or imgcat or install kitty terminal so you can enjoy image previews
fi
elif command -v imgcat >/dev/null; then
imgcat -W "${dim%%x*}" -H "${dim##*x}" "$file"
else
echo please install a terminal image viewer
echo either icat for kitty terminal and wezterm or imgcat or chafa
fi
}
"""