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Add Kitty keyboard protocol support

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This commit is contained in:
Michael Grant
2026-09-14 14:14:28 +01:00
parent 3a5df8780f
commit 5e5cc3e5bc
17 changed files with 1256 additions and 25 deletions
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107
regress/kitty-keys.sh Normal file
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#!/bin/sh
# Test pane-side Kitty keyboard protocol state and key encoding. This uses
# synthetic protocol sequences and does not require a particular terminal.
PATH=/bin:/usr/bin
TERM=screen
[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
CONF=$(mktemp)
OUT=$(mktemp)
TMUX="$TEST_TMUX -LtestK$$ -f$CONF"
trap 'rm -f "$CONF" "$OUT"; $TMUX kill-server 2>/dev/null' 0 1 15
printf '%s\n' 'set -g extended-keys on' \
'set -g extended-keys-format kitty' >"$CONF"
wait_for_output()
{
i=0
while [ ! -s "$OUT" ] && [ "$i" -lt 50 ]; do
sleep 0.1
i=$((i + 1))
done
[ -s "$OUT" ]
}
wait_for_mode()
{
wanted=$1
i=0
while [ "$($TMUX display-message -pt: '#{pane_key_mode}')" != "$wanted" ] &&
[ "$i" -lt 50 ]; do
sleep 0.1
i=$((i + 1))
done
[ "$($TMUX display-message -pt: '#{pane_key_mode}')" = "$wanted" ]
}
check_output()
{
expected=$1
actual=$(tr -d ' \n' <"$OUT")
if [ "$actual" != "$expected" ]; then
echo "expected $expected, got $actual"
exit 1
fi
}
$TMUX new-session -d -x80 -y24 \
"stty raw -echo; printf '\033[>1u'; dd bs=1 count=7 2>/dev/null | od -An -v -t x1 >'$OUT'; sleep 5" || exit 1
wait_for_mode 'Kitty 1'
$TMUX send-keys -t: C-S-a
wait_for_output
check_output 1b5b39373b3675
: >"$OUT"
$TMUX respawn-pane -k -t: \
"stty raw -echo; printf '\033[>1u'; dd bs=1 count=7 2>/dev/null | od -An -v -t x1 >'$OUT'; sleep 5"
wait_for_mode 'Kitty 1'
$TMUX send-keys -t: s-a
wait_for_output
check_output 1b5b39373b3975
: >"$OUT"
$TMUX respawn-pane -k -t: \
"stty raw -echo; printf '\033[>8u'; dd bs=1 count=5 2>/dev/null | od -An -v -t x1 >'$OUT'; sleep 5"
wait_for_mode 'Kitty 8'
$TMUX send-keys -t: a
wait_for_output
check_output 1b5b393775
: >"$OUT"
$TMUX respawn-pane -k -t: \
"stty raw -echo; printf '\033[>1u\033[?u'; dd bs=1 count=5 2>/dev/null | od -An -v -t x1 >'$OUT'; sleep 5"
wait_for_output
check_output 1b5b3f3175
: >"$OUT"
$TMUX respawn-pane -k -t: \
"stty raw -echo; printf '\033[>4;2m\033[?u'; dd bs=1 count=5 2>/dev/null | od -An -v -t x1 >'$OUT'; sleep 5"
wait_for_output
check_output 1b5b3f3075
: >"$OUT"
$TMUX respawn-pane -k -t: \
"stty raw -echo; printf '\033[>1u\033[>8u\033[<u\033[?u\033[>8u\033[<2u\033[?u'; dd bs=1 count=10 2>/dev/null | od -An -v -t x1 >'$OUT'; sleep 5"
wait_for_output
check_output 1b5b3f31751b5b3f3075
: >"$OUT"
$TMUX set-option -g extended-keys always
$TMUX respawn-pane -k -t: \
"stty raw -echo; printf '\033[>0u\033[?u'; dd bs=1 count=5 2>/dev/null | od -An -v -t x1 >'$OUT'; sleep 5"
wait_for_output
check_output 1b5b3f3175
$TMUX set-option -g extended-keys on
: >"$OUT"
$TMUX respawn-pane -k -t: \
"stty raw -echo; printf '\033[>1u\033[?u\033[?1049h\033[?u\033[>8u\033[?u\033[?1049l\033[?u'; dd bs=1 count=20 2>/dev/null | od -An -v -t x1 >'$OUT'; sleep 5"
wait_for_output
check_output 1b5b3f31751b5b3f30751b5b3f38751b5b3f3175
$TMUX kill-server 2>/dev/null
exit 0