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Use FZF_PREVIEW_HEIGHT if available. Requires fzf 0.16.7.

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Close #361
This commit is contained in:
Junegunn Choi
2017-04-30 12:06:41 +09:00
parent 8ffd3fb0ba
commit d99169da2d
2 changed files with 24 additions and 17 deletions
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4
bin/preview.rb
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@@ -33,9 +33,13 @@ if `file --mime "#{file}"` =~ /binary/
end end
center = (center || 0).to_i center = (center || 0).to_i
if ENV['FZF_PREVIEW_HEIGHT']
height = ENV['FZF_PREVIEW_HEIGHT'].to_i
else
height = File.readable?('/dev/tty') ? `stty size < /dev/tty`.split.first.to_i : 40 height = File.readable?('/dev/tty') ? `stty size < /dev/tty`.split.first.to_i : 40
height /= 2 if split height /= 2 if split
height -= 2 # preview border height -= 2 # preview border
end
offset = [1, center - height / 3].max offset = [1, center - height / 3].max
IO.popen(['sh', '-c', COMMAND.gsub('{}', Shellwords.shellescape(path))]) do |io| IO.popen(['sh', '-c', COMMAND.gsub('{}', Shellwords.shellescape(path))]) do |io|

7
bin/preview.sh
View File

@@ -31,19 +31,22 @@ if [ -z "$CENTER" ]; then
CENTER=1 CENTER=1
fi fi
if [ -n "$FZF_PREVIEW_HEIGHT" ]; then
LINES=$FZF_PREVIEW_HEIGHT
else
if [ -r /dev/tty ]; then if [ -r /dev/tty ]; then
LINES=$(stty size < /dev/tty | awk '{print $1}') LINES=$(stty size < /dev/tty | awk '{print $1}')
else else
LINES=40 LINES=40
fi fi
if [ -n "$SPLIT" ]; then if [ -n "$SPLIT" ]; then
LINES=$(($LINES/2)) # using horizontal split LINES=$(($LINES/2)) # using horizontal split
fi fi
LINES=$(($LINES-2)) # remove preview border LINES=$(($LINES-2)) # remove preview border
fi
FIRST=$(($CENTER-$LINES/3)) FIRST=$(($CENTER-$LINES/3))
FIRST=$(($FIRST < 1 ? 1 : $FIRST)) FIRST=$(($FIRST < 1 ? 1 : $FIRST))
LAST=$((${FIRST}+${LINES}-1)) LAST=$((${FIRST}+${LINES}-1))
awk "NR >= $FIRST && NR <= $LAST {if (NR == $CENTER) printf(\"\x1b[7m%5d %s\n\x1b[m\", NR, \$0); else printf(\"%5d %s\n\", NR, \$0)}" $FILE awk "NR >= $FIRST && NR <= $LAST {if (NR == $CENTER) printf(\"$REVERSE%5d %s\n$RESET\", NR, \$0); else printf(\"%5d %s\n\", NR, \$0)}" $FILE