Fix kitty icat handling

1 files changed, 7 insertions, 4 deletions

diff --git a/bin/fzf-preview.sh b/bin/fzf-preview.sh
index fe405ef1..bd12e3bc 100755
--- a/bin/fzf-preview.sh
+++ b/bin/fzf-preview.sh
@@ -23,10 +23,13 @@ if [[ ! $type =~ image/ ]]; then
 
   ${batname} --style="${BAT_STYLE:-numbers}" --color=always --pager=never -- "$file"
 elif [[ $KITTY_WINDOW_ID ]]; then
-  # 'memory' is the fastest option but if you want the image to be scrollable,
-  # you have to use 'stream'
-  kitty icat --clear --transfer-mode=memory --stdin=no --place="${FZF_PREVIEW_COLUMNS}x${FZF_PREVIEW_LINES}@0x0" "$file" | sed \$d
-  echo -en "\e[m"
+  # 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 --stdin=no --place="${FZF_PREVIEW_COLUMNS}x$((FZF_PREVIEW_LINES))@0x0" "$file" | sed '$d' | sed $'$s/$/\e[m/'
 elif command -v chafa > /dev/null; then
   chafa -f sixel -s "${FZF_PREVIEW_COLUMNS}x${FZF_PREVIEW_LINES}" "$file"
 else