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tmux/regress/screen-redraw-window-style.sh
2026-06-19 17:33:33 +01:00

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#!/bin/sh
# Exercise window-style and window-active-style, which set the default cell
# (background) style for a window's panes. screen-redraw.c uses these for the
# default grid cell of each pane (the active pane uses window-active-style, the
# others window-style). Captured with -e to record the background colours.
#
# Run with GENERATE=1 to (re)create the golden files.
PATH=/bin:/usr/bin
TERM=screen
LC_ALL=C.UTF-8
export TERM LC_ALL
[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
TMUX="$TEST_TMUX -Ltest -f/dev/null"
TMUX2="$TEST_TMUX -Ltest2 -f/dev/null"
RESULTS=screen-redraw-results
TMP=$(mktemp)
trap "rm -f $TMP; $TMUX kill-server 2>/dev/null; $TMUX2 kill-server 2>/dev/null" \
0 1 15
fail() {
echo "$*" >&2
exit 1
}
compare() {
sleep 1
$TMUX capturep -pe >$TMP || exit 1
if [ -n "$GENERATE" ]; then
cp $TMP "$RESULTS/$1.result" || exit 1
echo "generated $1"
else
cmp -s $TMP "$RESULTS/$1.result" || \
fail "scene $1 differs from $RESULTS/$1.result"
fi
}
new_scene() {
$TMUX2 neww -d "sh -c 'exec sleep 100'" || exit 1
$TMUX2 selectw -t:\$ || exit 1
$TMUX2 resizew -x40 -y8 || exit 1
}
C="sh -c 'exec sleep 100'"
$TMUX kill-server 2>/dev/null
$TMUX2 kill-server 2>/dev/null
$TMUX2 new -d -x40 -y8 "sh -c 'exec sleep 100'" || exit 1
$TMUX2 set -g status off || exit 1
$TMUX2 set -g window-size manual || exit 1
$TMUX new -d -x40 -y8 || exit 1
$TMUX set -g status off || exit 1
$TMUX set -g window-size manual || exit 1
$TMUX set -g default-terminal "tmux-256color" || exit 1
$TMUX send -l "$TMUX2 attach" || exit 1
$TMUX send Enter || exit 1
sleep 1
# Single pane with a window background style.
new_scene
$TMUX2 setw window-style "bg=blue" || exit 1
compare window-style-single
# Split: the active pane uses window-active-style, the other window-style.
new_scene
$TMUX2 setw window-style "bg=blue" || exit 1
$TMUX2 setw window-active-style "bg=red" || exit 1
$TMUX2 splitw -h "$C" || exit 1
$TMUX2 selectp -t0 || exit 1
compare window-style-active
exit 0