Files
tmux/regress/floating-pane-drag-composite.sh
2026-10-02 15:15:02 +01:00

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#!/bin/sh
# Each drag motion must draw the floating pane content once.
PATH=/bin:/usr/bin
TERM=screen
LC_ALL=C.UTF-8
export PATH TERM LC_ALL
[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
DIR=$(mktemp -d) || exit 1
cd "$DIR" || exit 1
INNER="$TEST_TMUX -Ldoublecomp-inner-$$ -f/dev/null"
OUTER="$TEST_TMUX -Ldoublecomp-outer-$$ -f/dev/null"
fail()
{
echo "$*" >&2
exit 1
}
cleanup()
{
$OUTER kill-server 2>/dev/null
$INNER kill-server 2>/dev/null
cd /
rm -rf "$DIR"
}
trap cleanup 0 1 15
mouse()
{
sequence=$(printf '\033[<%s;%s;%s%s' "$1" "$2" "$3" "$4")
$OUTER send-keys -t outer:0.0 -l "$sequence" || exit 1
sleep 0.15
}
$INNER new-session -d -s inner -x 40 -y 15 "printf '\\033[15;1HOUTSIDE'; exec sleep 100" || exit 1
$INNER set-option -g status off || exit 1
$INNER set-option -g window-size manual || exit 1
$INNER set-option -g mouse on || exit 1
$INNER set-option -g status-interval 0 || exit 1
$INNER set-option -g automatic-rename off || exit 1
FLOAT=$($INNER new-pane -d -PF '#{pane_id}' -x 15 -y 5 -X 5 -Y 2 \
"printf 'DRAGMARK'; exec sleep 100") || exit 1
$OUTER new-session -d -s outer -x 40 -y 15 'sleep 100' || exit 1
$OUTER set-option -g status off || exit 1
$OUTER set-option -g window-size manual || exit 1
$OUTER set-option -g default-terminal screen-256color || exit 1
$OUTER respawn-pane -k -t outer:0.0 \
"$TEST_TMUX -Ldoublecomp-inner-$$ -f/dev/null attach-session -t inner" ||
exit 1
sleep 0.5
XOFF=$($INNER display-message -p -t "$FLOAT" '#{pane_left}')
YOFF=$($INNER display-message -p -t "$FLOAT" '#{pane_top}')
GRABCOL=$((XOFF + 3))
BORDERROW=$YOFF
# Begin capture after focus changes from the initial mouse press have settled.
mouse 0 "$GRABCOL" "$BORDERROW" M
$OUTER pipe-pane -O -t outer:0.0 "cat >'$DIR/output'" || exit 1
$INNER refresh-client || exit 1
sleep 0.5
grep -aq DRAGMARK "$DIR/output" || fail "capture missed floating pane content"
grep -aq OUTSIDE "$DIR/output" || fail "capture missed untouched row"
offset=$(wc -c <"$DIR/output")
i=0
steps=6
while [ "$i" -lt "$steps" ]; do
GRABCOL=$((GRABCOL + 1))
mouse 32 "$GRABCOL" "$BORDERROW" M
i=$((i + 1))
done
mouse 0 "$GRABCOL" "$BORDERROW" m
sleep 0.3
NEWXOFF=$($INNER display-message -p -t "$FLOAT" '#{pane_left}')
[ "$NEWXOFF" -eq "$((XOFF + steps))" ] || fail "floating pane did not move six columns"
tail -c +"$((offset + 1))" "$DIR/output" >"$DIR/drag-output"
n=$(perl -0777 -ne '$n = () = /DRAGMARK/g; print "$n\n"' "$DIR/drag-output")
[ "$n" -eq "$steps" ] ||
fail "$steps drag motions wrote the floating pane content $n times"
exit 0