Tests for screen-redraw.c (not all passing right now).

regress/screen-redraw-bidi.sh

@@ -0,0 +1,79 @@
+#!/bin/sh
+
+# Exercise screen-redraw.c bidirectional-isolate handling. When the client is
+# UTF-8 and its terminal has the Bidi capability, each drawn span is wrapped in
+# directional isolate characters (U+2066 .. U+2069) so a bidi terminal does not
+# reorder pane contents across borders (the REDRAW_ISOLATES path).
+#
+# The Bidi capability is added with terminal-overrides before the client
+# attaches, so the attached client picks it up. The isolate characters appear in
+# the captured output around each span.
+#
+# 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
+	$TMUX capturep -p >$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 'printf \"BIDI-LEFT 12345\nBIDI-RIGHT 67890\"; exec sleep 100'" || exit 1
+	$TMUX2 selectw -t:\$ || exit 1
+	$TMUX2 resizew -x40 -y12 || exit 1
+}
+
+C="sh -c 'printf \"BIDI-PANE 12345\nBIDI-PANE 67890\"; exec sleep 100'"
+
+$TMUX kill-server 2>/dev/null
+$TMUX2 kill-server 2>/dev/null
+
+$TMUX2 new -d -x40 -y12 "sh -c 'printf \"BIDI-BASE 12345\nBIDI-BASE 67890\"; exec sleep 100'" || exit 1
+$TMUX2 set -g status off || exit 1
+$TMUX2 set -g window-size manual || exit 1
+# Add the Bidi capability before the client attaches.
+$TMUX2 set -ag terminal-overrides ",*:Bidi=\\E[8h" || exit 1
+
+$TMUX new -d -x40 -y12 || 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: content is wrapped in isolates.
+new_scene
+compare bidi-single
+
+# Two panes: borders and both panes are isolated.
+new_scene
+$TMUX2 splitw -h "$C" || exit 1
+compare bidi-split
+
+exit 0

regress/screen-redraw-cache.sh

@@ -0,0 +1,162 @@
+#!/bin/sh
+
+# Exercise the scene caching in screen-redraw.c. A scene is built once and reused
+# until it is invalidated; redraw_get_scene rebuilds it when the window changes,
+# the generation number is bumped (panes moved/resized/swapped), or the offset
+# changes. These tests make such a change in place and capture afterwards: if the
+# matching invalidation did not fire, the stale cached scene would be drawn and
+# the capture would not match the golden.
+#
+# Each scene is rendered in an inner tmux attached inside an outer tmux pane. The
+# outer pane is captured and compared with a golden in screen-redraw-results/.
+#
+# 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
+	$TMUX capturep -p >$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 'i=0; while [ \$i -lt 13 ]; do printf \"BASE%02d abcdefghij\n\" \$i; i=\$((i + 1)); done; exec sleep 100'" || exit 1
+	$TMUX2 selectw -t:\$ || exit 1
+	$TMUX2 resizew -x40 -y14 || exit 1
+}
+
+C="sh -c 'i=0; while [ \$i -lt 5 ]; do printf \"PANE%02d abcdefghij\n\" \$i; i=\$((i + 1)); done; exec sleep 100'"
+
+$TMUX kill-server 2>/dev/null
+$TMUX2 kill-server 2>/dev/null
+
+$TMUX2 new -d -x40 -y14 "sh -c 'exec sleep 100'" || exit 1
+$TMUX2 set -g status off || exit 1
+$TMUX2 set -g window-size manual || exit 1
+
+$TMUX new -d -x40 -y14 || exit 1
+$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
+$TMUX send Enter || exit 1
+sleep 1
+
+# --- Generation change: a pane is resized in place. ---
+
+# Two columns; first capture pins the initial divider position. The scene is
+# built here and cached.
+new_scene
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+compare cache-resize-before
+
+# Move the divider left. resize-pane bumps the generation, so the cached scene
+# must be rebuilt and the divider must appear in its new position.
+$TMUX2 resize-pane -t0 -L 6 || exit 1
+compare cache-resize-after
+
+# --- Generation change: panes are swapped/rotated in place. ---
+
+# Three columns, each pane titled so the order is visible. The pane status line
+# makes a swap show up in the captured scene.
+new_scene
+$TMUX2 setw pane-border-format " #{pane_title} " || exit 1
+$TMUX2 setw pane-border-status top || exit 1
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t:.0 -T AAA || exit 1
+$TMUX2 selectp -t:.1 -T BBB || exit 1
+$TMUX2 selectp -t:.2 -T CCC || exit 1
+$TMUX2 selectp -t:.0 || exit 1
+compare cache-rotate-before
+
+# Rotate the panes; the titles must move with them in the rebuilt scene.
+# rotate-window keeps the cell geometry, so only its scene invalidation makes
+# this differ from cache-rotate-before.
+$TMUX2 rotate-window || exit 1
+$TMUX2 selectp -t:.0 || exit 1
+compare cache-rotate-after
+
+# --- Generation change: two panes swapped in place. ---
+
+# swap-pane likewise moves panes between cells without changing geometry; the
+# swapped titles must appear in the rebuilt scene.
+new_scene
+$TMUX2 setw pane-border-format " #{pane_title} " || exit 1
+$TMUX2 setw pane-border-status top || exit 1
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t:.0 -T LEFT || exit 1
+$TMUX2 selectp -t:.1 -T RIGHT || exit 1
+$TMUX2 selectp -t:.0 || exit 1
+compare cache-swap-before
+
+$TMUX2 swap-pane -d -s:.0 -t:.1 || exit 1
+$TMUX2 selectp -t:.0 || exit 1
+compare cache-swap-after
+
+# --- Window change: the client switches between two differently laid out
+# windows and back. The scene is keyed on the window, so each must show its own
+# layout and switching back must not show the other window's cached scene. ---
+
+# Window A: a single pane (no internal border).
+$TMUX2 neww -d "sh -c 'i=0; while [ \$i -lt 13 ]; do printf \"WINA%02d abcdefghij\n\" \$i; i=\$((i + 1)); done; exec sleep 100'" || exit 1
+$TMUX2 selectw -t:\$ || exit 1
+$TMUX2 resizew -x40 -y14 || exit 1
+A=$($TMUX2 display -p '#{window_id}') || exit 1
+
+# Window B: a top/bottom split (a horizontal border).
+$TMUX2 neww -d "sh -c 'i=0; while [ \$i -lt 13 ]; do printf \"WINB%02d abcdefghij\n\" \$i; i=\$((i + 1)); done; exec sleep 100'" || exit 1
+$TMUX2 selectw -t:\$ || exit 1
+$TMUX2 resizew -x40 -y14 || exit 1
+$TMUX2 splitw -v "$C" || exit 1
+B=$($TMUX2 display -p '#{window_id}') || exit 1
+
+$TMUX2 selectw -t$A || exit 1
+compare cache-window-a
+$TMUX2 selectw -t$B || exit 1
+compare cache-window-b
+$TMUX2 selectw -t$A || exit 1
+compare cache-window-a-again
+
+# --- Size change: the client (and so the scene) is resized. ---
+
+# With window-size latest the inner window tracks the client size, so resizing
+# the outer window resizes the inner client and the scene. The cached scene must
+# be rebuilt at the new size (the scene->sx/sy mismatch path in
+# redraw_get_scene), not drawn at the old size.
+$TMUX2 set -g window-size latest || exit 1
+$TMUX2 neww -d "sh -c 'i=0; while [ \$i -lt 13 ]; do printf \"SIZE%02d abcdefghij\n\" \$i; i=\$((i + 1)); done; exec sleep 100'" || exit 1
+$TMUX2 selectw -t:\$ || exit 1
+$TMUX2 splitw -v "$C" || exit 1
+compare cache-resizeclient-before
+
+$TMUX resizew -x30 -y10 || exit 1
+compare cache-resizeclient-after
+
+exit 0

regress/screen-redraw-floating.sh

@@ -0,0 +1,221 @@
+#!/bin/sh
+
+# Exercise screen-redraw.c drawing of floating panes: their borders and titles,
+# clipping at the window edge, and the interaction with the area outside the
+# window (when the window is smaller than the attached client).
+#
+# Each scene is rendered in an inner tmux attached inside an outer tmux pane.
+# The outer pane is captured (the full client scene drawn by screen-redraw.c)
+# and compared with a golden file in screen_redraw_results/.
+#
+# 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 -p $2 >$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 <width> <height>: fresh inner window of the given window size.
+new_scene() {
+	$TMUX2 neww -d "sh -c 'printf base; exec sleep 100'" || exit 1
+	$TMUX2 selectw -t:\$ || exit 1
+	$TMUX2 resizew -x$1 -y$2 || exit 1
+}
+
+# tile_2x2: split the current window into a 2x2 grid of tiled panes.
+tile_2x2() {
+	C="sh -c 'exec sleep 100'"
+	$TMUX2 splitw -h "$C" || exit 1
+	$TMUX2 splitw -v "$C" || exit 1
+	$TMUX2 selectp -t0 || exit 1
+	$TMUX2 splitw -v "$C" || exit 1
+	$TMUX2 select-layout tiled || exit 1
+}
+
+# fill_base_pattern: make clipped floating panes visibly cover every column.
+fill_base_pattern() {
+	$TMUX2 respawnp -k "sh -c 'i=0; while [ \$i -lt 12 ]; do printf \"%02d:abcdefghijklmnopqrstuvwxyz0123456789\n\" \$i; i=\$((i + 1)); done; exec sleep 100'" || exit 1
+}
+
+# fill_all_panes: make each pane visibly nonblank.
+fill_all_panes() {
+	for pane in $($TMUX2 list-panes -F '#{pane_id}'); do
+		$TMUX2 respawnp -k -t "$pane" "sh -c 'i=0; while [ \$i -lt 5 ]; do printf \"TILE%02d abcdefghij\n\" \$i; i=\$((i + 1)); done; exec sleep 100'" || exit 1
+	done
+}
+
+$TMUX kill-server 2>/dev/null
+$TMUX2 kill-server 2>/dev/null
+
+$TMUX2 new -d -x40 -y12 "sh -c 'printf base; exec sleep 100'" || exit 1
+$TMUX2 set -g status off || exit 1
+$TMUX2 set -g window-size manual || exit 1
+$TMUX2 set -g pane-border-format " #{pane_title} " || exit 1
+
+$TMUX new -d -x40 -y12 || exit 1
+$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
+$TMUX send Enter || exit 1
+sleep 1
+
+# Basic floating pane, well inside the window.
+new_scene 40 12
+$TMUX2 new-pane -x20 -y6 -X8 -Y3 "sh -c 'printf FLOAT; exec sleep 100'" || exit 1
+compare floating-basic
+
+# Floating pane with a title on its border. pane-border-status also draws the
+# base pane's title, so set it explicitly (the default is the hostname, which is
+# not stable).
+new_scene 40 12
+$TMUX2 setw pane-border-status top || exit 1
+$TMUX2 selectp -t:.0 -T base || exit 1
+$TMUX2 new-pane -x20 -y6 -X8 -Y2 -T title \
+	"sh -c 'printf FLOAT; exec sleep 100'" || exit 1
+compare floating-title
+
+# Larger floating pane with double border lines.
+new_scene 40 12
+$TMUX2 new-pane -x28 -y8 -X4 -Y1 -B double \
+	"sh -c 'printf FLOAT; exec sleep 100'" || exit 1
+compare floating-border-double
+
+# Floating pane with no border lines: redraw_mark_pane_borders returns early so
+# the float has no border at all, only its (clipped) content over the base pane.
+new_scene 40 12
+$TMUX2 new-pane -x20 -y6 -X10 -Y3 -B none \
+	"sh -c 'printf NOBORDER; exec sleep 100'" || exit 1
+compare floating-noborder
+
+# Floating pane positioned past the right and bottom edges: must clip.
+new_scene 40 12
+$TMUX2 new-pane -x20 -y6 -X30 -Y8 "sh -c 'printf CLIP; exec sleep 100'" || exit 1
+compare floating-clip-edge
+
+# Window smaller than the client (outside area filled), with a floating pane
+# that overlaps the boundary into the outside region.
+new_scene 28 8
+$TMUX2 new-pane -x16 -y5 -X18 -Y4 "sh -c 'printf OUT; exec sleep 100'" || exit 1
+compare floating-outside
+
+# Floating pane clipped at the top-left corner (negative offsets).
+new_scene 40 12
+$TMUX2 new-pane -x18 -y6 -X-4 -Y-2 "sh -c 'printf TL; exec sleep 100'" || exit 1
+compare floating-clip-topleft
+
+# Floating panes clipped at each edge. The patterned base pane makes sure the
+# clipped edge still obscures both content and borders underneath.
+new_scene 40 12
+fill_base_pattern
+$TMUX2 new-pane -x20 -y6 -X-10 -Y3 "sh -c 'printf LEFT; exec sleep 100'" || exit 1
+compare floating-clip-left
+
+new_scene 40 12
+fill_base_pattern
+$TMUX2 new-pane -x20 -y6 -X30 -Y3 "sh -c 'printf RIGHT; exec sleep 100'" || exit 1
+compare floating-clip-right
+
+new_scene 40 12
+fill_base_pattern
+$TMUX2 new-pane -x20 -y6 -X10 -Y-3 "sh -c 'printf TOP; exec sleep 100'" || exit 1
+compare floating-clip-top
+
+new_scene 40 12
+fill_base_pattern
+$TMUX2 new-pane -x20 -y6 -X10 -Y9 "sh -c 'printf BOTTOM; exec sleep 100'" || exit 1
+compare floating-clip-bottom
+
+# Floating pane over a tiled 2x2 grid: the float draws a complete box and must
+# NOT merge its borders with the tiled pane borders underneath.
+new_scene 40 12
+tile_2x2
+fill_all_panes
+$TMUX2 new-pane -x16 -y6 -X11 -Y3 "sh -c 'printf FLT; exec sleep 100'" || exit 1
+compare floating-over-tiled
+
+# Same, but the float uses double border lines while the tiled panes use single:
+# the two border styles must coexist without merging.
+new_scene 40 12
+tile_2x2
+fill_all_panes
+$TMUX2 new-pane -x16 -y6 -X11 -Y3 -B double \
+	"sh -c 'printf FLT; exec sleep 100'" || exit 1
+compare floating-over-tiled-double
+
+# Two overlapping floating panes: the later (top) float draws over the earlier.
+new_scene 40 12
+$TMUX2 new-pane -x16 -y6 -X4 -Y2 "sh -c 'printf AAA; exec sleep 100'" || exit 1
+$TMUX2 new-pane -x16 -y6 -X14 -Y6 "sh -c 'printf BBB; exec sleep 100'" || exit 1
+compare floating-overlap
+
+# Two floating panes with different per-pane configuration: one has its status on
+# top with single borders, the other has its status on the bottom with heavy
+# borders (pane-border-status and pane-border-lines are per-pane options).
+new_scene 40 12
+$TMUX2 setw pane-border-format " #{pane_title} " || exit 1
+$TMUX2 new-pane -x16 -y4 -X3 -Y1 -T one \
+	"sh -c 'printf ONE; exec sleep 100'" || exit 1
+$TMUX2 set -p pane-border-status top || exit 1
+$TMUX2 set -p pane-border-lines single || exit 1
+$TMUX2 new-pane -x16 -y4 -X18 -Y6 -T two \
+	"sh -c 'printf TWO; exec sleep 100'" || exit 1
+$TMUX2 set -p pane-border-status bottom || exit 1
+$TMUX2 set -p pane-border-lines heavy || exit 1
+compare floating-mixed-config
+
+# Floating pane over a pane that has a scrollbar: the float must draw over the
+# scrollbar. Captured with -e since the scrollbar is drawn with styles.
+new_scene 40 12
+$TMUX2 setw pane-scrollbars on || exit 1
+$TMUX2 setw pane-scrollbars-style "bg=black,fg=white,width=1,pad=0" || exit 1
+$TMUX2 new-pane -x16 -y6 -X22 -Y3 "sh -c 'printf OVERSB; exec sleep 100'" || exit 1
+compare floating-over-scrollbar -e
+
+# Floating pane overlapping the client status line: the status line is not part
+# of the window scene, so the float is clipped at the window's bottom edge.
+new_scene 40 11
+$TMUX2 set status on || exit 1
+$TMUX2 set status-position bottom || exit 1
+$TMUX2 set status-format[0] "" || exit 1
+$TMUX2 new-pane -x20 -y6 -X8 -Y7 "sh -c 'printf OVERST; exec sleep 100'" || exit 1
+compare floating-over-status
+
+# A window left with only a floating pane: killing the single tiled pane removes
+# it from the layout, so the area it occupied is no longer owned by any pane and
+# is drawn as EMPTY cells (middle dots) around the float. This is the only way to
+# produce a REDRAW_SPAN_EMPTY span.
+new_scene 40 12
+$TMUX2 new-pane -x20 -y6 -X8 -Y3 "sh -c 'printf FLOAT; exec sleep 100'" || exit 1
+tiled=$($TMUX2 list-panes -F '#{pane_floating_flag} #{pane_id}' | \
+	awk '$1==0{print $2; exit}') || exit 1
+$TMUX2 kill-pane -t "$tiled" || exit 1
+compare floating-empty
+
+exit 0

regress/screen-redraw-indicators.sh

@@ -0,0 +1,212 @@
+#!/bin/sh
+
+# Exercise screen-redraw.c pane-border-indicators: the arrow indicators that
+# point at the active pane, and the two-pane border colour split.
+#
+# Arrows are drawn as glyphs (captured plain). The two-pane colour split is
+# drawn with styles, so that scene is captured with escapes (-e) and uses
+# distinct active/inactive border styles so the split is visible.
+#
+# Each scene is rendered in an inner tmux attached inside an outer tmux pane.
+# The outer pane is captured and compared with a golden in screen-redraw-results/.
+#
+# 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 <name> [-e]: capture the outer pane and compare (or generate).
+compare() {
+	sleep 1
+	$TMUX capturep -p $2 >$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
+	$TMUX2 resizew -x40 -y12 || exit 1
+}
+
+C="sh -c 'exec sleep 100'"
+
+$TMUX kill-server 2>/dev/null
+$TMUX2 kill-server 2>/dev/null
+
+$TMUX2 new -d -x40 -y12 "sh -c 'exec sleep 100'" || exit 1
+$TMUX2 set -g status off || exit 1
+$TMUX2 set -g window-size manual || exit 1
+
+$TMUX new -d -x40 -y12 || exit 1
+$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
+$TMUX send Enter || exit 1
+sleep 1
+
+# --- Arrows: must appear for whichever pane is active (GitHub #4780). ---
+
+$TMUX2 set -g pane-border-indicators arrows || exit 1
+
+# Two panes, left active: arrow points left.
+new_scene
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+compare arrows-2pane-left
+
+# Two panes, right active: arrow points right (the case that regressed).
+new_scene
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t1 || exit 1
+compare arrows-2pane-right
+
+# Three columns, middle active.
+new_scene
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t1 || exit 1
+compare arrows-3pane
+
+# Four panes (2x2), one active.
+new_scene
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 splitw -v "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+$TMUX2 splitw -v "$C" || exit 1
+$TMUX2 select-layout tiled || exit 1
+$TMUX2 selectp -t0 || exit 1
+compare arrows-4pane
+
+# --- Two-pane border colour split. ---
+
+# Distinct active/inactive styles so the coloured halves are visible; captured
+# with -e to record the SGR.
+$TMUX2 set -g pane-border-indicators colour || exit 1
+
+# Left/right split: the border is vertical and is split into a top half (active
+# pane colour) and a bottom half (the LAYOUT_LEFTRIGHT case).
+new_scene
+$TMUX2 setw pane-active-border-style fg=red || exit 1
+$TMUX2 setw pane-border-style fg=green || exit 1
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+compare two-pane-colour-vertical -e
+
+# Top/bottom split: the border is horizontal and is split into a left half and a
+# right half instead (the LAYOUT_TOPBOTTOM case).
+new_scene
+$TMUX2 setw pane-active-border-style fg=red || exit 1
+$TMUX2 setw pane-border-style fg=green || exit 1
+$TMUX2 splitw -v "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+compare two-pane-colour-horizontal -e
+
+# The colour split only applies with exactly two tiled panes. With three panes
+# the split is suppressed: the whole border uses the active pane's colour and
+# there is no coloured half (redraw_check_two_pane_colours returns 0).
+new_scene
+$TMUX2 setw pane-active-border-style fg=red || exit 1
+$TMUX2 setw pane-border-style fg=green || exit 1
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+compare colour-three-suppressed -e
+
+# A floating pane is ignored by the two-pane count, so two tiled panes plus a
+# float still split. The float itself is never coloured by the indicator.
+new_scene
+$TMUX2 setw pane-active-border-style fg=red || exit 1
+$TMUX2 setw pane-border-style fg=green || exit 1
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+$TMUX2 new-pane -x16 -y6 -X10 -Y2 "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+compare colour-two-plus-float -e
+
+# --- Both indicators together. ---
+
+# pane-border-indicators both enables the arrow and the colour split at once
+# (it satisfies both the arrow and the colour branches). Two panes so the colour
+# split also applies.
+$TMUX2 set -g pane-border-indicators both || exit 1
+new_scene
+$TMUX2 setw pane-active-border-style fg=red || exit 1
+$TMUX2 setw pane-border-style fg=green || exit 1
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+compare indicators-both -e
+
+# --- Marked pane. ---
+
+# A marked pane (select-pane -m) has its border drawn reversed. Captured with -e
+# to record the reverse attribute. The marked pane is made non-active so its
+# reversed border is distinct from the active pane.
+$TMUX2 set -g pane-border-indicators off || exit 1
+
+# Left/right split, right pane marked.
+new_scene
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+$TMUX2 selectp -t1 -m || exit 1
+compare marked-pane-lr -e
+
+# Top/bottom split, bottom pane marked.
+new_scene
+$TMUX2 splitw -v "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+$TMUX2 selectp -t1 -m || exit 1
+compare marked-pane-tb -e
+
+# Three columns, middle pane marked (reversed border on both sides).
+new_scene
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+$TMUX2 selectp -t1 -m || exit 1
+compare marked-pane-three -e
+
+# Floating pane marked: the whole floating box border is reversed.
+new_scene
+$TMUX2 new-pane -x20 -y6 -X8 -Y3 "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+$TMUX2 selectp -t1 -m || exit 1
+compare marked-pane-float -e
+
+# Marked pane together with a pane status line: the title border is reversed too.
+new_scene
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 setw pane-border-format " #{pane_index}:#{pane_title} " || exit 1
+$TMUX2 setw pane-border-status top || exit 1
+$TMUX2 selectp -t:.0 -T left || exit 1
+$TMUX2 selectp -t:.1 -T right || exit 1
+$TMUX2 selectp -t0 || exit 1
+$TMUX2 selectp -t1 -m || exit 1
+compare marked-pane-status -e
+
+exit 0

regress/screen-redraw-outside.sh

@@ -0,0 +1,116 @@
+#!/bin/sh
+
+# Exercise screen-redraw.c when the window is smaller than the attached client,
+# so part of the client is outside the window. screen-redraw.c fills the outside
+# area and draws a real border along the window's right and/or bottom edge (not
+# just where panes meet). This checks redraw_get_window_offset and the OUTSIDE
+# span handling, including how the window-edge border joins the pane borders.
+#
+# Each scene is rendered in an inner tmux attached inside an outer tmux pane.
+# The outer client is 40x14; the inner window is made smaller with resizew. The
+# outer pane is captured and compared with a golden in screen-redraw-results/.
+#
+# 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
+	$TMUX capturep -p >$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 <width> <height>: fresh inner window smaller than the 40x14 client.
+new_scene() {
+	$TMUX2 neww -d "sh -c 'i=0; while [ \$i -lt $(($2 - 1)) ]; do printf \"OUT%02d abcdefghij\n\" \$i; i=\$((i + 1)); done; exec sleep 100'" || exit 1
+	$TMUX2 selectw -t:\$ || exit 1
+	$TMUX2 resizew -x$1 -y$2 || exit 1
+}
+
+C="sh -c 'i=0; while [ \$i -lt 8 ]; do printf \"PAN%02d abcdefghij\n\" \$i; i=\$((i + 1)); done; exec sleep 100'"
+
+$TMUX kill-server 2>/dev/null
+$TMUX2 kill-server 2>/dev/null
+
+$TMUX2 new -d -x40 -y14 "sh -c 'i=0; while [ \$i -lt 13 ]; do printf \"OUT%02d abcdefghij\n\" \$i; i=\$((i + 1)); done; exec sleep 100'" || exit 1
+$TMUX2 set -g status off || exit 1
+$TMUX2 set -g window-size manual || exit 1
+
+$TMUX new -d -x40 -y14 || exit 1
+$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
+$TMUX send Enter || exit 1
+sleep 1
+
+# Single pane, narrower than the client: a border along the right edge.
+new_scene 28 14
+compare outside-right-single
+
+# Narrower than the client with a left/right split: the inter-pane border plus a
+# real border on the window's right edge, then the outside area.
+new_scene 28 14
+$TMUX2 splitw -h "$C" || exit 1
+compare outside-right-split
+
+# Shorter than the client with a top/bottom split: a real border on the window's
+# bottom edge.
+new_scene 40 9
+$TMUX2 splitw -v "$C" || exit 1
+compare outside-bottom-split
+
+# Smaller in both dimensions with a 2x2 grid: borders on the right and bottom
+# edges meeting the internal pane borders at the corner.
+new_scene 28 9
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 splitw -v "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+$TMUX2 splitw -v "$C" || exit 1
+$TMUX2 select-layout tiled || exit 1
+compare outside-both-2x2
+
+# Window BIGGER than the client: only part of the window is viewed and the view
+# can be panned (refresh-client). This exercises a non-zero scene offset.
+# A 2x2 grid in a 60x20 window viewed through the 40x14 client.
+new_scene 60 20
+$TMUX2 splitw -h "$C" || exit 1
+$TMUX2 splitw -v "$C" || exit 1
+$TMUX2 selectp -t0 || exit 1
+$TMUX2 splitw -v "$C" || exit 1
+$TMUX2 select-layout tiled || exit 1
+
+# Default view: the top-left of the window.
+$TMUX2 refresh-client -U 100 || exit 1
+$TMUX2 refresh-client -L 100 || exit 1
+compare bigger-topleft
+
+# Panned to the bottom-right of the window (down and right to the limit).
+$TMUX2 refresh-client -D 100 || exit 1
+$TMUX2 refresh-client -R 100 || exit 1
+compare bigger-bottomright
+
+exit 0

regress/screen-redraw-popups.sh

@@ -0,0 +1,92 @@
+#!/bin/sh
+
+# Exercise drawing of popups (display-popup) over the window scene. A popup is an
+# overlay drawn on top of the redraw scene (the overlay_draw path in
+# screen-redraw.c), so this guards against regressions in how popups appear.
+#
+# A popup is modal and stays open until its command exits, so each scene fully
+# re-creates the servers and re-attaches; the popup is opened in the background
+# (display-popup blocks the client that runs it) and the outer pane is captured
+# while it is open.
+#
+# 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
+	$TMUX capturep -p >$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
+}
+
+C="sh -c 'i=0; while [ \$i -lt 13 ]; do printf \"POP%02d abcdefghij\n\" \$i; i=\$((i + 1)); done; exec sleep 100'"
+
+# setup: fresh inner window attached inside a fresh outer pane, 40x14.
+setup() {
+	$TMUX kill-server 2>/dev/null
+	$TMUX2 kill-server 2>/dev/null
+	$TMUX2 new -d -x40 -y14 "$C" || exit 1
+	$TMUX2 set -g status off || exit 1
+	$TMUX2 set -g window-size manual || exit 1
+	$TMUX2 resizew -x40 -y14 || exit 1
+	$TMUX new -d -x40 -y14 || 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
+}
+
+# popup <args>: open a popup running a fixed command, in the background (it stays
+# open because the command sleeps; the servers are killed at the next setup).
+popup() {
+	$TMUX2 display-popup "$@" -E "sh -c 'printf POPUP; exec sleep 100'" &
+	sleep 1
+}
+
+# Basic popup over a single pane.
+setup
+popup -w20 -h6 -x6 -y3
+compare popup-basic
+
+# Popup over a split: drawn on top of the pane border.
+setup
+$TMUX2 splitw -h "$C" || exit 1
+popup -w24 -h8 -x8 -y3
+compare popup-over-split
+
+# Popup with no border lines (-B).
+setup
+popup -B -w20 -h6 -x6 -y3
+compare popup-noborder
+
+# Popup with double border lines.
+setup
+popup -b double -w20 -h6 -x6 -y3
+compare popup-double
+
+exit 0

regress/screen-redraw-results/arrows-2pane-left.result

@@ -0,0 +1,12 @@
+                    │
+                    ←
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │

regress/screen-redraw-results/arrows-2pane-right.result

@@ -0,0 +1,12 @@
+                    │
+                    →
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │

regress/screen-redraw-results/arrows-3pane.result

@@ -0,0 +1,12 @@
+          │         │
+          →         ←
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │

regress/screen-redraw-results/arrows-4pane.result

@@ -0,0 +1,12 @@
+                   │
+                   ←
+                   │
+                   │
+                   │
+─↑─────────────────┼────────────────────
+                   │
+                   │
+                   │
+                   │
+                   │
+                   │

regress/screen-redraw-results/bidi-single.result

@@ -0,0 +1,12 @@
+BIDI-LEFT 12345
+BIDI-RIGHT 67890
+
+
+
+
+
+
+
+
+
+

regress/screen-redraw-results/bidi-split.result

@@ -0,0 +1,12 @@
+BIDI-LEFT 12345     ⁩│⁦BIDI-PANE 12345
+BIDI-RIGHT 67890    ⁩│⁦BIDI-PANE 67890
+                    ⁩│⁦
+                    ⁩│⁦
+                    ⁩│⁦
+                    ⁩│⁦
+                    ⁩│⁦
+                    ⁩│⁦
+                    ⁩│⁦
+                    ⁩│⁦
+                    ⁩│⁦
+                    ⁩│⁦

regress/screen-redraw-results/bigger-bottomright.result

@@ -0,0 +1,14 @@
+         │PAN06 abcdefghij
+         │PAN07 abcdefghij
+         │
+─────────┼──────────────────────────────
+         │PAN00 abcdefghij
+         │PAN01 abcdefghij
+         │PAN02 abcdefghij
+         │PAN03 abcdefghij
+         │PAN04 abcdefghij
+         │PAN05 abcdefghij
+         │PAN06 abcdefghij
+         │PAN07 abcdefghij
+         │
+         │

regress/screen-redraw-results/bigger-topleft.result

@@ -0,0 +1,14 @@
+OUT11 abcdefghij             │PAN00 abcd
+OUT12 abcdefghij             │PAN01 abcd
+OUT13 abcdefghij             │PAN02 abcd
+OUT14 abcdefghij             │PAN03 abcd
+OUT15 abcdefghij             │PAN04 abcd
+OUT16 abcdefghij             │PAN05 abcd
+OUT17 abcdefghij             │PAN06 abcd
+OUT18 abcdefghij             │PAN07 abcd
+                             │
+─────────────────────────────┼──────────
+PAN00 abcdefghij             │PAN00 abcd
+PAN01 abcdefghij             │PAN01 abcd
+PAN02 abcdefghij             │PAN02 abcd
+PAN03 abcdefghij             │PAN03 abcd

regress/screen-redraw-results/cache-resize-after.result

@@ -0,0 +1,14 @@
+hij           │PANE00 abcdefghij
+BASE07 abcdefg│PANE01 abcdefghij
+hij           │PANE02 abcdefghij
+BASE08 abcdefg│PANE03 abcdefghij
+hij           │PANE04 abcdefghij
+BASE09 abcdefg│
+hij           │
+BASE10 abcdefg│
+hij           │
+BASE11 abcdefg│
+hij           │
+BASE12 abcdefg│
+hij           │
+              │

regress/screen-redraw-results/cache-resize-before.result

@@ -0,0 +1,14 @@
+BASE00 abcdefghij   │PANE00 abcdefghij
+BASE01 abcdefghij   │PANE01 abcdefghij
+BASE02 abcdefghij   │PANE02 abcdefghij
+BASE03 abcdefghij   │PANE03 abcdefghij
+BASE04 abcdefghij   │PANE04 abcdefghij
+BASE05 abcdefghij   │
+BASE06 abcdefghij   │
+BASE07 abcdefghij   │
+BASE08 abcdefghij   │
+BASE09 abcdefghij   │
+BASE10 abcdefghij   │
+BASE11 abcdefghij   │
+BASE12 abcdefghij   │
+                    │

regress/screen-redraw-results/cache-resizeclient-after.result

@@ -0,0 +1,10 @@
+SIZE09 abcdefghij
+SIZE10 abcdefghij
+SIZE11 abcdefghij
+SIZE12 abcdefghij
+
+──────────────────────────────
+PANE02 abcdefghij
+PANE03 abcdefghij
+PANE04 abcdefghij
+

regress/screen-redraw-results/cache-resizeclient-before.result

@@ -0,0 +1,14 @@
+SIZE07 abcdefghij
+SIZE08 abcdefghij
+SIZE09 abcdefghij
+SIZE10 abcdefghij
+SIZE11 abcdefghij
+SIZE12 abcdefghij
+
+────────────────────────────────────────
+PANE00 abcdefghij
+PANE01 abcdefghij
+PANE02 abcdefghij
+PANE03 abcdefghij
+PANE04 abcdefghij
+

regress/screen-redraw-results/cache-rotate-after.result

@@ -0,0 +1,14 @@
+── BBB ───┬── CCC ──┬── AAA ────────────
+PANE00 abc│cdefghij │BASE01 abcdefghij
+defghij   │PANE03 ab│BASE02 abcdefghij
+PANE01 abc│cdefghij │BASE03 abcdefghij
+defghij   │PANE04 ab│BASE04 abcdefghij
+PANE02 abc│cdefghij │BASE05 abcdefghij
+defghij   │         │BASE06 abcdefghij
+PANE03 abc│         │BASE07 abcdefghij
+defghij   │         │BASE08 abcdefghij
+PANE04 abc│         │BASE09 abcdefghij
+defghij   │         │BASE10 abcdefghij
+          │         │BASE11 abcdefghij
+          │         │BASE12 abcdefghij
+          │         │

regress/screen-redraw-results/cache-rotate-before.result

@@ -0,0 +1,14 @@
+── AAA ───┬── BBB ──┬── CCC ────────────
+BASE07 abc│PANE00 ab│PANE00 abcdefghij
+defghij   │cdefghij │PANE01 abcdefghij
+BASE08 abc│PANE01 ab│PANE02 abcdefghij
+defghij   │cdefghij │PANE03 abcdefghij
+BASE09 abc│PANE02 ab│PANE04 abcdefghij
+defghij   │cdefghij │
+BASE10 abc│PANE03 ab│
+defghij   │cdefghij │
+BASE11 abc│PANE04 ab│
+defghij   │cdefghij │
+BASE12 abc│         │
+defghij   │         │
+          │         │

regress/screen-redraw-results/cache-swap-after.result

@@ -0,0 +1,14 @@
+── RIGHT ───────────┬── LEFT ───────────
+PANE00 abcdefghij   │BASE01 abcdefghij
+PANE01 abcdefghij   │BASE02 abcdefghij
+PANE02 abcdefghij   │BASE03 abcdefghij
+PANE03 abcdefghij   │BASE04 abcdefghij
+PANE04 abcdefghij   │BASE05 abcdefghij
+                    │BASE06 abcdefghij
+                    │BASE07 abcdefghij
+                    │BASE08 abcdefghij
+                    │BASE09 abcdefghij
+                    │BASE10 abcdefghij
+                    │BASE11 abcdefghij
+                    │BASE12 abcdefghij
+                    │

regress/screen-redraw-results/cache-swap-before.result

@@ -0,0 +1,14 @@
+── LEFT ────────────┬── RIGHT ──────────
+BASE01 abcdefghij   │PANE00 abcdefghij
+BASE02 abcdefghij   │PANE01 abcdefghij
+BASE03 abcdefghij   │PANE02 abcdefghij
+BASE04 abcdefghij   │PANE03 abcdefghij
+BASE05 abcdefghij   │PANE04 abcdefghij
+BASE06 abcdefghij   │
+BASE07 abcdefghij   │
+BASE08 abcdefghij   │
+BASE09 abcdefghij   │
+BASE10 abcdefghij   │
+BASE11 abcdefghij   │
+BASE12 abcdefghij   │
+                    │

regress/screen-redraw-results/cache-window-a-again.result

@@ -0,0 +1,14 @@
+WINA00 abcdefghij
+WINA01 abcdefghij
+WINA02 abcdefghij
+WINA03 abcdefghij
+WINA04 abcdefghij
+WINA05 abcdefghij
+WINA06 abcdefghij
+WINA07 abcdefghij
+WINA08 abcdefghij
+WINA09 abcdefghij
+WINA10 abcdefghij
+WINA11 abcdefghij
+WINA12 abcdefghij
+

regress/screen-redraw-results/cache-window-a.result

@@ -0,0 +1,14 @@
+WINA00 abcdefghij
+WINA01 abcdefghij
+WINA02 abcdefghij
+WINA03 abcdefghij
+WINA04 abcdefghij
+WINA05 abcdefghij
+WINA06 abcdefghij
+WINA07 abcdefghij
+WINA08 abcdefghij
+WINA09 abcdefghij
+WINA10 abcdefghij
+WINA11 abcdefghij
+WINA12 abcdefghij
+

regress/screen-redraw-results/cache-window-b.result

@@ -0,0 +1,14 @@
+WINB07 abcdefghij
+WINB08 abcdefghij
+WINB09 abcdefghij
+WINB10 abcdefghij
+WINB11 abcdefghij
+WINB12 abcdefghij
+
+────────────────────────────────────────
+PANE00 abcdefghij
+PANE01 abcdefghij
+PANE02 abcdefghij
+PANE03 abcdefghij
+PANE04 abcdefghij
+

regress/screen-redraw-results/colour-three-suppressed.result

@@ -0,0 +1,12 @@
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │

regress/screen-redraw-results/colour-two-plus-float.result

@@ -0,0 +1,12 @@
+                    │
+         ┌────────────────┐
+         │                │
+         │                │
+         │                │
+         │                │
+         │                │
+         │                │
+         └────────────────┘
+                    │
+                    │
+                    │

regress/screen-redraw-results/cross-double.result

@@ -0,0 +1,14 @@
+                   ║
+                   ║
+                   ║
+                   ║
+                   ║
+                   ║
+═══════════════════╬════════════════════
+                   ║
+                   ║
+                   ║
+                   ║
+                   ║
+                   ║
+                   ║

regress/screen-redraw-results/cross-heavy.result

@@ -0,0 +1,14 @@
+                   ┃
+                   ┃
+                   ┃
+                   ┃
+                   ┃
+                   ┃
+━━━━━━━━━━━━━━━━━━━╋━━━━━━━━━━━━━━━━━━━━
+                   ┃
+                   ┃
+                   ┃
+                   ┃
+                   ┃
+                   ┃
+                   ┃

regress/screen-redraw-results/cross-none.result

@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+

regress/screen-redraw-results/cross-number.result

@@ -0,0 +1,14 @@
+                   1
+                   1
+                   1
+                   1
+                   1
+                   1
+0000000000000000000011111111111111111111
+                   2
+                   2
+                   2
+                   2
+                   2
+                   2
+                   2

regress/screen-redraw-results/cross-simple.result

@@ -0,0 +1,14 @@
+                   |
+                   |
+                   |
+                   |
+                   |
+                   |
+-------------------+--------------------
+                   |
+                   |
+                   |
+                   |
+                   |
+                   |
+                   |

regress/screen-redraw-results/cross-single.result

@@ -0,0 +1,14 @@
+                   │
+                   │
+                   │
+                   │
+                   │
+                   │
+───────────────────┼────────────────────
+                   │
+                   │
+                   │
+                   │
+                   │
+                   │
+                   │

regress/screen-redraw-results/cross-spaces.result

@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+

regress/screen-redraw-results/floating-basic.result

@@ -0,0 +1,12 @@
+base
+
+       ┌────────────────────┐
+       │FLOAT               │
+       │                    │
+       │                    │
+       │                    │
+       │                    │
+       │                    │
+       └────────────────────┘
+
+

regress/screen-redraw-results/floating-border-double.result

@@ -0,0 +1,12 @@
+bas╔════════════════════════════╗
+   ║FLOAT                       ║
+   ║                            ║
+   ║                            ║
+   ║                            ║
+   ║                            ║
+   ║                            ║
+   ║                            ║
+   ║                            ║
+   ╚════════════════════════════╝
+
+

regress/screen-redraw-results/floating-clip-bottom.result

@@ -0,0 +1,12 @@
+01:abcdefghijklmnopqrstuvwxyz0123456789
+02:abcdefghijklmnopqrstuvwxyz0123456789
+03:abcdefghijklmnopqrstuvwxyz0123456789
+04:abcdefghijklmnopqrstuvwxyz0123456789
+05:abcdefghijklmnopqrstuvwxyz0123456789
+06:abcdefghijklmnopqrstuvwxyz0123456789
+07:abcdefghijklmnopqrstuvwxyz0123456789
+08:abcdefghijklmnopqrstuvwxyz0123456789
+09:abcdef┌────────────────────┐23456789
+10:abcdef│BOTTOM              │23456789
+11:abcdef│                    │23456789
+         │                    │

regress/screen-redraw-results/floating-clip-edge.result

@@ -0,0 +1,12 @@
+base
+
+
+
+
+
+
+                             ┌──────────
+                             │CLIP
+                             │
+                             │
+                             │

regress/screen-redraw-results/floating-clip-left.result

@@ -0,0 +1,12 @@
+01:abcdefghijklmnopqrstuvwxyz0123456789
+02:abcdefghijklmnopqrstuvwxyz0123456789
+──────────┐ijklmnopqrstuvwxyz0123456789
+          │ijklmnopqrstuvwxyz0123456789
+          │ijklmnopqrstuvwxyz0123456789
+          │ijklmnopqrstuvwxyz0123456789
+          │ijklmnopqrstuvwxyz0123456789
+          │ijklmnopqrstuvwxyz0123456789
+          │ijklmnopqrstuvwxyz0123456789
+──────────┘ijklmnopqrstuvwxyz0123456789
+11:abcdefghijklmnopqrstuvwxyz0123456789
+

regress/screen-redraw-results/floating-clip-right.result

@@ -0,0 +1,12 @@
+01:abcdefghijklmnopqrstuvwxyz0123456789
+02:abcdefghijklmnopqrstuvwxyz0123456789
+03:abcdefghijklmnopqrstuvwxyz┌──────────
+04:abcdefghijklmnopqrstuvwxyz│RIGHT
+05:abcdefghijklmnopqrstuvwxyz│
+06:abcdefghijklmnopqrstuvwxyz│
+07:abcdefghijklmnopqrstuvwxyz│
+08:abcdefghijklmnopqrstuvwxyz│
+09:abcdefghijklmnopqrstuvwxyz│
+10:abcdefghijklmnopqrstuvwxyz└──────────
+11:abcdefghijklmnopqrstuvwxyz0123456789
+

regress/screen-redraw-results/floating-clip-top.result

@@ -0,0 +1,12 @@
+01:abcdef│                    │23456789
+02:abcdef│                    │23456789
+03:abcdef│                    │23456789
+04:abcdef└────────────────────┘23456789
+05:abcdefghijklmnopqrstuvwxyz0123456789
+06:abcdefghijklmnopqrstuvwxyz0123456789
+07:abcdefghijklmnopqrstuvwxyz0123456789
+08:abcdefghijklmnopqrstuvwxyz0123456789
+09:abcdefghijklmnopqrstuvwxyz0123456789
+10:abcdefghijklmnopqrstuvwxyz0123456789
+11:abcdefghijklmnopqrstuvwxyz0123456789
+

regress/screen-redraw-results/floating-clip-topleft.result

@@ -0,0 +1,12 @@
+              │
+              │
+              │
+              │
+──────────────┘
+
+
+
+
+
+
+

regress/screen-redraw-results/floating-empty.result

@@ -0,0 +1,12 @@
+········································
+········································
+·······┌────────────────────┐···········
+·······│FLOAT               │···········
+·······│                    │···········
+·······│                    │···········
+·······│                    │···········
+·······│                    │···········
+·······│                    │···········
+·······└────────────────────┘···········
+········································
+

regress/screen-redraw-results/floating-mixed-config.result

@@ -0,0 +1,12 @@
+ba┌── one ─────────┐
+  │ONE             │
+  │                │
+  │                │
+  │                │
+  └──────────────┏━━━━━━━━━━━━━━━━┓
+                 ┃TWO             ┃
+                 ┃                ┃
+                 ┃                ┃
+                 ┃                ┃
+                 ┗━━ two ━━━━━━━━━┛
+

regress/screen-redraw-results/floating-noborder.result

@@ -0,0 +1,12 @@
+base
+
+
+          NOBORDER
+
+
+
+
+
+
+
+

regress/screen-redraw-results/floating-outside.result

@@ -0,0 +1,12 @@
+base                        │···········
+                            │···········
+                            │···········
+                 ┌──────────│···········
+                 │OUT       │···········
+                 │          │···········
+                 │          │···········
+                 │          │···········
+────────────────────────────┘···········
+········································
+········································
+········································

regress/screen-redraw-results/floating-over-scrollbar.result

@@ -0,0 +1,12 @@
+base                                   
+                                       
+                     ┌────────────────┐
+                     │OVERSB          │
+                     │                │
+                     │                │
+                     │                │
+                     │                │
+                     │                │
+                     └────────────────┘
+                                       
+                                       

regress/screen-redraw-results/floating-over-status.result

@@ -0,0 +1,12 @@
+base
+
+
+
+
+
+       ┌────────────────────┐
+       │OVERST              │
+       │                    │
+       │                    │
+       │                    │
+

regress/screen-redraw-results/floating-over-tiled-double.result

@@ -0,0 +1,12 @@
+TILE01 abcdefghij  │TILE01 abcdefghij
+TILE02 abcdefghij  │TILE02 abcdefghij
+TILE03 abc╔════════════════╗bcdefghij
+TILE04 abc║FLT             ║bcdefghij
+          ║                ║
+──────────║                ║────────────
+TILE00 abc║                ║bcdefghij
+TILE01 abc║                ║bcdefghij
+TILE02 abc║                ║bcdefghij
+TILE03 abc╚════════════════╝bcdefghij
+TILE04 abcdefghij  │TILE04 abcdefghij
+                   │

regress/screen-redraw-results/floating-over-tiled.result

@@ -0,0 +1,12 @@
+TILE01 abcdefghij  │TILE01 abcdefghij
+TILE02 abcdefghij  │TILE02 abcdefghij
+TILE03 abc┌────────────────┐bcdefghij
+TILE04 abc│FLT             │bcdefghij
+          │                │
+──────────│                │────────────
+TILE00 abc│                │bcdefghij
+TILE01 abc│                │bcdefghij
+TILE02 abc│                │bcdefghij
+TILE03 abc└────────────────┘bcdefghij
+TILE04 abcdefghij  │TILE04 abcdefghij
+                   │

regress/screen-redraw-results/floating-overlap.result

@@ -0,0 +1,12 @@
+base
+   ┌────────────────┐
+   │AAA             │
+   │                │
+   │                │
+   │         ┌────────────────┐
+   │         │BBB             │
+   │         │                │
+   └─────────│                │
+             │                │
+             │                │
+             │                │

regress/screen-redraw-results/floating-title.result

@@ -0,0 +1,12 @@
+── base ────────────────────────────────
+base   ┌── title ───────────┐
+       │FLOAT               │
+       │                    │
+       │                    │
+       │                    │
+       │                    │
+       │                    │
+       └────────────────────┘
+
+
+

regress/screen-redraw-results/indicators-both.result

@@ -0,0 +1,12 @@
+                    │
+                    ←
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │

regress/screen-redraw-results/marked-pane-float.result

@@ -0,0 +1,12 @@
+
+
+       ┌────────────────────┐
+       │                    │
+       │                    │
+       │                    │
+       │                    │
+       │                    │
+       │                    │
+       └────────────────────┘
+
+

regress/screen-redraw-results/marked-pane-lr.result

@@ -0,0 +1,12 @@
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │

regress/screen-redraw-results/marked-pane-status.result

@@ -0,0 +1,12 @@
+── 0:left ──────────┬── 1:right ────────
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │

regress/screen-redraw-results/marked-pane-tb.result

@@ -0,0 +1,12 @@
+
+
+
+
+
+
+────────────────────────────────────────
+
+
+
+
+

regress/screen-redraw-results/marked-pane-three.result

@@ -0,0 +1,12 @@
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │

regress/screen-redraw-results/outside-both-2x2.result

@@ -0,0 +1,14 @@
+hij          │ij            │···········
+OUT07 abcdefg│PAN07 abcdefgh│···········
+hij          │ij            │···········
+             │              │···········
+─────────────┼──────────────┤···········
+hij          │ij            │···········
+PAN07 abcdefg│PAN07 abcdefgh│···········
+hij          │ij            │···········
+             │              │···········
+─────────────┴──────────────┘···········
+········································
+········································
+········································
+········································

regress/screen-redraw-results/outside-bottom-split.result

@@ -0,0 +1,14 @@
+OUT05 abcdefghij
+OUT06 abcdefghij
+OUT07 abcdefghij
+
+────────────────────────────────────────
+PAN05 abcdefghij
+PAN06 abcdefghij
+PAN07 abcdefghij
+
+────────────────────────────────────────
+········································
+········································
+········································
+········································

regress/screen-redraw-results/outside-right-single.result

@@ -0,0 +1,14 @@
+OUT00 abcdefghij            │···········
+OUT01 abcdefghij            │···········
+OUT02 abcdefghij            │···········
+OUT03 abcdefghij            │···········
+OUT04 abcdefghij            │···········
+OUT05 abcdefghij            │···········
+OUT06 abcdefghij            │···········
+OUT07 abcdefghij            │···········
+OUT08 abcdefghij            │···········
+OUT09 abcdefghij            │···········
+OUT10 abcdefghij            │···········
+OUT11 abcdefghij            │···········
+OUT12 abcdefghij            │···········
+                            │···········

regress/screen-redraw-results/outside-right-split.result

@@ -0,0 +1,14 @@
+ij            │hij          │···········
+OUT07 abcdefgh│PAN02 abcdefg│···········
+ij            │hij          │···········
+OUT08 abcdefgh│PAN03 abcdefg│···········
+ij            │hij          │···········
+OUT09 abcdefgh│PAN04 abcdefg│···········
+ij            │hij          │···········
+OUT10 abcdefgh│PAN05 abcdefg│···········
+ij            │hij          │···········
+OUT11 abcdefgh│PAN06 abcdefg│···········
+ij            │hij          │···········
+OUT12 abcdefgh│PAN07 abcdefg│···········
+ij            │hij          │···········
+              │             │···········

regress/screen-redraw-results/pane-status-2x2-top.result

@@ -0,0 +1,14 @@
+── p0 ─────────────┬── p1 ──────────────
+                   │
+                   │
+                   │
+                   │
+                   │
+── p2 ─────────────┼── p3 ──────────────
+                   │
+                   │
+                   │
+                   │
+                   │
+                   │
+                   │

regress/screen-redraw-results/pane-status-3-bottom.result

@@ -0,0 +1,14 @@
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+── p0 ────┴── p1 ───┴── p2 ─────────────

regress/screen-redraw-results/pane-status-3-top.result

@@ -0,0 +1,14 @@
+── p0 ────┬── p1 ───┬── p2 ─────────────
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │

regress/screen-redraw-results/pane-status-bottom.result

@@ -0,0 +1,14 @@
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+── 0:left ──────────┴── 1:right ────────

regress/screen-redraw-results/pane-status-top.result

@@ -0,0 +1,14 @@
+── 0:left ──────────┬── 1:right ────────
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │

regress/screen-redraw-results/popup-basic.result

@@ -0,0 +1,14 @@
+POP00 ┌──────────────────┐
+POP01 │POPUP             │
+POP02 │                  │
+POP03 │                  │
+POP04 │                  │
+POP05 └──────────────────┘
+POP06 abcdefghij
+POP07 abcdefghij
+POP08 abcdefghij
+POP09 abcdefghij
+POP10 abcdefghij
+POP11 abcdefghij
+POP12 abcdefghij
+

regress/screen-redraw-results/popup-double.result

@@ -0,0 +1,14 @@
+POP00 ╔══════════════════╗
+POP01 ║POPUP             ║
+POP02 ║                  ║
+POP03 ║                  ║
+POP04 ║                  ║
+POP05 ╚══════════════════╝
+POP06 abcdefghij
+POP07 abcdefghij
+POP08 abcdefghij
+POP09 abcdefghij
+POP10 abcdefghij
+POP11 abcdefghij
+POP12 abcdefghij
+

regress/screen-redraw-results/popup-noborder.result

@@ -0,0 +1,14 @@
+POP00 POPUP
+POP01
+POP02
+POP03
+POP04
+POP05
+POP06 abcdefghij
+POP07 abcdefghij
+POP08 abcdefghij
+POP09 abcdefghij
+POP10 abcdefghij
+POP11 abcdefghij
+POP12 abcdefghij
+

regress/screen-redraw-results/popup-over-split.result

@@ -0,0 +1,14 @@
+POP00 ab┌──────────────────────┐fghij
+POP01 ab│POPUP                 │fghij
+POP02 ab│                      │fghij
+POP03 ab│                      │fghij
+POP04 ab│                      │fghij
+POP05 ab│                      │fghij
+POP06 ab│                      │fghij
+POP07 ab└──────────────────────┘fghij
+POP08 abcdefghij    │POP08 abcdefghij
+POP09 abcdefghij    │POP09 abcdefghij
+POP10 abcdefghij    │POP10 abcdefghij
+POP11 abcdefghij    │POP11 abcdefghij
+POP12 abcdefghij    │POP12 abcdefghij
+                    │

regress/screen-redraw-results/scrollbar-copy-mode.result

@@ -0,0 +1,12 @@
+1                                      
+2                                      
+3                                      
+4                                      
+5                                      
+6                                      
+7                                      
+8                                      
+9                                      
+10                                     
+11                                     
+12                                     

regress/screen-redraw-results/scrollbar-floating.result

@@ -0,0 +1,12 @@
+SB00 abcdefghij                        
+SB01 abcdefghij                        
+SB02 ab┌────────────────────┐          
+SB03 ab│FLOAT00 abcdef      │          
+SB04 ab│FLOAT01 abcdef      │          
+SB05 ab│FLOAT02 abcdef      │          
+SB06 ab│FLOAT03 abcdef      │          
+SB07 ab│FLOAT04 abcdef      │          
+SB08 ab│                    │          
+SB09 ab└────────────────────┘          
+SB10 abcdefghij                        
+                                       

regress/screen-redraw-results/scrollbar-left-pad.result

@@ -0,0 +1,12 @@
+  SB00 abcdefghij
+  SB01 abcdefghij
+  SB02 abcdefghij
+  SB03 abcdefghij
+  SB04 abcdefghij
+  SB05 abcdefghij
+  SB06 abcdefghij
+  SB07 abcdefghij
+  SB08 abcdefghij
+  SB09 abcdefghij
+  SB10 abcdefghij
+ 

regress/screen-redraw-results/scrollbar-left-w1.result

@@ -0,0 +1,12 @@
+ SB00 abcdefghij
+ SB01 abcdefghij
+ SB02 abcdefghij
+ SB03 abcdefghij
+ SB04 abcdefghij
+ SB05 abcdefghij
+ SB06 abcdefghij
+ SB07 abcdefghij
+ SB08 abcdefghij
+ SB09 abcdefghij
+ SB10 abcdefghij
+ 

regress/screen-redraw-results/scrollbar-right-pad.result

@@ -0,0 +1,12 @@
+SB00 abcdefghij                        
+SB01 abcdefghij                        
+SB02 abcdefghij                        
+SB03 abcdefghij                        
+SB04 abcdefghij                        
+SB05 abcdefghij                        
+SB06 abcdefghij                        
+SB07 abcdefghij                        
+SB08 abcdefghij                        
+SB09 abcdefghij                        
+SB10 abcdefghij                        
+                                       

regress/screen-redraw-results/scrollbar-right-w1.result

@@ -0,0 +1,12 @@
+SB00 abcdefghij                        
+SB01 abcdefghij                        
+SB02 abcdefghij                        
+SB03 abcdefghij                        
+SB04 abcdefghij                        
+SB05 abcdefghij                        
+SB06 abcdefghij                        
+SB07 abcdefghij                        
+SB08 abcdefghij                        
+SB09 abcdefghij                        
+SB10 abcdefghij                        
+                                       

regress/screen-redraw-results/scrollbar-right-w2.result

@@ -0,0 +1,12 @@
+SB00 abcdefghij                       
+SB01 abcdefghij                       
+SB02 abcdefghij                       
+SB03 abcdefghij                       
+SB04 abcdefghij                       
+SB05 abcdefghij                       
+SB06 abcdefghij                       
+SB07 abcdefghij                       
+SB08 abcdefghij                       
+SB09 abcdefghij                       
+SB10 abcdefghij                       
+                                      

regress/screen-redraw-results/scrollbar-split-left.result

@@ -0,0 +1,12 @@
+ SB00 abcdefghij    │ SBL00 abcdefghij
+ SB01 abcdefghij    │ SBL01 abcdefghij
+ SB02 abcdefghij    │ SBL02 abcdefghij
+ SB03 abcdefghij    │ SBL03 abcdefghij
+ SB04 abcdefghij    │ SBL04 abcdefghij
+ SB05 abcdefghij    │ SBL05 abcdefghij
+ SB06 abcdefghij    │ SBL06 abcdefghij
+ SB07 abcdefghij    │ SBL07 abcdefghij
+ SB08 abcdefghij    │ SBL08 abcdefghij
+ SB09 abcdefghij    │ SBL09 abcdefghij
+ SB10 abcdefghij    │ SBL10 abcdefghij
+                    │ 

regress/screen-redraw-results/scrollbar-split-right.result

@@ -0,0 +1,12 @@
+SB00 abcdefghij     │SBR00 abcdefghij  
+SB01 abcdefghij     │SBR01 abcdefghij  
+SB02 abcdefghij     │SBR02 abcdefghij  
+SB03 abcdefghij     │SBR03 abcdefghij  
+SB04 abcdefghij     │SBR04 abcdefghij  
+SB05 abcdefghij     │SBR05 abcdefghij  
+SB06 abcdefghij     │SBR06 abcdefghij  
+SB07 abcdefghij     │SBR07 abcdefghij  
+SB08 abcdefghij     │SBR08 abcdefghij  
+SB09 abcdefghij     │SBR09 abcdefghij  
+SB10 abcdefghij     │SBR10 abcdefghij  
+                    │                  

regress/screen-redraw-results/status-3-bottom.result

@@ -0,0 +1,12 @@
+TOP
+
+
+
+──────────────────────────────
+BOT
+
+
+
+
+
+

regress/screen-redraw-results/status-3-top.result

@@ -0,0 +1,12 @@
+
+
+
+TOP
+
+
+
+──────────────────────────────
+BOT
+
+
+

regress/screen-redraw-results/status-bottom.result

@@ -0,0 +1,12 @@
+TOP
+
+
+
+
+──────────────────────────────
+BOT
+
+
+
+
+

regress/screen-redraw-results/status-off.result

@@ -0,0 +1,12 @@
+TOP
+
+
+
+
+
+──────────────────────────────
+BOT
+
+
+
+

regress/screen-redraw-results/status-top.result

@@ -0,0 +1,12 @@
+
+TOP
+
+
+
+
+──────────────────────────────
+BOT
+
+
+
+

regress/screen-redraw-results/tee-down-double.result

@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+════════════════════╦═══════════════════
+                    ║
+                    ║
+                    ║
+                    ║
+                    ║
+                    ║

regress/screen-redraw-results/tee-down-heavy.result

@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━
+                    ┃
+                    ┃
+                    ┃
+                    ┃
+                    ┃
+                    ┃

regress/screen-redraw-results/tee-down-none.result

@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+

regress/screen-redraw-results/tee-down-number.result

@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+0000000000000000000022222222222222222222
+                    2
+                    2
+                    2
+                    2
+                    2
+                    2

regress/screen-redraw-results/tee-down-simple.result

@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+--------------------+-------------------
+                    |
+                    |
+                    |
+                    |
+                    |
+                    |

regress/screen-redraw-results/tee-down-single.result

@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+────────────────────┬───────────────────
+                    │
+                    │
+                    │
+                    │
+                    │
+                    │

regress/screen-redraw-results/tee-down-spaces.result

@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+

regress/screen-redraw-results/tee-lr-double.result

@@ -0,0 +1,14 @@
+          ║         ║
+          ║         ║
+          ║         ║
+          ║         ║
+          ║         ║
+          ║         ║
+          ║         ║
+          ╠═════════╣
+          ║         ║
+          ║         ║
+          ║         ║
+          ║         ║
+          ║         ║
+          ║         ║

regress/screen-redraw-results/tee-lr-heavy.result

@@ -0,0 +1,14 @@
+          ┃         ┃
+          ┃         ┃
+          ┃         ┃
+          ┃         ┃
+          ┃         ┃
+          ┃         ┃
+          ┃         ┃
+          ┣━━━━━━━━━┫
+          ┃         ┃
+          ┃         ┃
+          ┃         ┃
+          ┃         ┃
+          ┃         ┃
+          ┃         ┃

regress/screen-redraw-results/tee-lr-none.result

@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+

regress/screen-redraw-results/tee-lr-number.result

@@ -0,0 +1,14 @@
+          0         1
+          0         1
+          0         1
+          0         1
+          0         1
+          0         1
+          0         1
+          22222222222
+          2         2
+          2         2
+          2         2
+          2         2
+          2         2
+          2         2

regress/screen-redraw-results/tee-lr-simple.result

@@ -0,0 +1,14 @@
+          |         |
+          |         |
+          |         |
+          |         |
+          |         |
+          |         |
+          |         |
+          +---------+
+          |         |
+          |         |
+          |         |
+          |         |
+          |         |
+          |         |

regress/screen-redraw-results/tee-lr-single.result

@@ -0,0 +1,14 @@
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          ├─────────┤
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │
+          │         │

regress/screen-redraw-results/tee-lr-spaces.result

@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+

regress/screen-redraw-results/tee-up-double.result

@@ -0,0 +1,14 @@
+                    ║
+                    ║
+                    ║
+                    ║
+                    ║
+                    ║
+                    ║
+════════════════════╩═══════════════════
+
+
+
+
+
+