mirror of
https://github.com/tmux/tmux.git
synced 2026-10-07 02:04:22 +00:00
138 lines
3.8 KiB
Bash
Executable File
138 lines
3.8 KiB
Bash
Executable File
#!/bin/sh
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# A floating pane that is larger than a tiled pane on every side (so none of
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# its edges fall inside the tiled pane) must still hide that pane: output from
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# the covered pane must not be drawn over the floating pane.
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PATH=/bin:/usr/bin
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TERM=screen
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LC_ALL=C.UTF-8
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export PATH TERM LC_ALL
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[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
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DIR=$(mktemp -d) || exit 1
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INNER="$TEST_TMUX -Lcovers-inner-$$ -f/dev/null"
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OUTER="$TEST_TMUX -Lcovers-outer-$$ -f/dev/null"
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EMITTER=$DIR/emitter.pl
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FILLER=$DIR/filler.pl
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TRIGGER=$DIR/trigger
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CAPTURE=$DIR/capture
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fail()
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{
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echo "$*" >&2
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[ -s "$CAPTURE" ] && cat "$CAPTURE" >&2
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exit 1
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}
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cleanup()
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{
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$OUTER kill-server 2>/dev/null
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$INNER kill-server 2>/dev/null
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rm -rf "$DIR"
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}
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trap cleanup 0 1 15
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wait_outer_has()
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{
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marker=$1
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i=0
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while [ "$i" -lt 50 ]; do
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$OUTER capture-pane -p -t outer:0.0 >"$CAPTURE" 2>/dev/null || true
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grep -q "$marker" "$CAPTURE" && return 0
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sleep 0.1
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i=$((i + 1))
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done
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fail "outer client did not show $marker"
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}
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wait_inner_has()
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{
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marker=$1
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i=0
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while [ "$i" -lt 50 ]; do
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$INNER capture-pane -p -t "$2" 2>/dev/null |
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grep -q "$marker" && return 0
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sleep 0.1
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i=$((i + 1))
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done
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fail "inner pane $2 did not contain $marker"
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}
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# Covered pane: waits for the trigger, then scrolls a small region.
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cat >"$EMITTER" <<'PERL'
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use strict;
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use warnings;
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$| = 1;
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while (!-e $ENV{TRIGGER}) {
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select undef, undef, undef, 0.01;
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}
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# Scroll a small region: this is redrawn row by row rather than by a large
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# region redraw, so it must not draw over the floating pane.
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print "\e[1;2r\e[2;1HCOVEREDCOVERED\n";
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sleep 100;
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PERL
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# Floating pane: fill it so any overwriting is visible.
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cat >"$FILLER" <<'PERL'
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use strict;
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use warnings;
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$| = 1;
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for my $row (1 .. 8) {
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print "\e[$row;1H", 'F' x 30;
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}
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sleep 100;
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PERL
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$INNER new-session -d -s inner -x 60 -y 20 'sleep 100' || exit 1
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$INNER set-option -g status off || exit 1
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$INNER set-option -g window-size manual || exit 1
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# Three rows of panes; the middle row is short and split into three so that
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# the middle pane has other panes on both sides and above and below.
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$INNER split-window -d -v -t inner:0.0 'sleep 100' || exit 1
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$INNER split-window -d -v -t inner:0.1 'sleep 100' || exit 1
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$INNER resize-pane -t inner:0.0 -y 6 || exit 1
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$INNER resize-pane -t inner:0.1 -y 4 || exit 1
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MID=$($INNER split-window -d -h -P -F '#{pane_id}' -l 20 -t inner:0.1 \
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'sleep 100') || exit 1
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$INNER split-window -d -h -l 20 -t inner:0.1 'sleep 100' || exit 1
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# The covered pane is the one in the middle of the short row.
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set -- $($INNER list-panes -F '#{pane_left} #{pane_id}' -f '#{==:#{pane_top},7}' |
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sort -n | awk '{ print $2 }')
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[ $# -eq 3 ] || fail "expected three panes in the middle row, got $#"
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COVERED=$2
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X=$($INNER display-message -p -t "$COVERED" '#{pane_left}')
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Y=$($INNER display-message -p -t "$COVERED" '#{pane_top}')
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W=$($INNER display-message -p -t "$COVERED" '#{pane_width}')
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H=$($INNER display-message -p -t "$COVERED" '#{pane_height}')
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# Bigger than the covered pane on all four sides.
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FLOAT=$($INNER new-pane -d -PF '#{pane_id}' -x $((W + 6)) -y $((H + 4)) \
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-X $((X - 3)) -Y $((Y - 2)) "perl '$FILLER'") || fail "new-pane failed"
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$INNER respawn-pane -k -t "$COVERED" "TRIGGER='$TRIGGER' perl '$EMITTER'" ||
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exit 1
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$OUTER new-session -d -s outer -x 60 -y 20 'sleep 100' || exit 1
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$OUTER set-option -g status off || exit 1
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$OUTER set-option -g window-size manual || exit 1
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$OUTER set-option -g default-terminal screen || exit 1
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$OUTER respawn-pane -k -t outer:0.0 \
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"$TEST_TMUX -Lcovers-inner-$$ -f/dev/null attach-session -t inner" ||
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exit 1
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wait_outer_has FFFFFFFFFF
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sleep 1
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: >"$TRIGGER"
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wait_inner_has COVERED "$COVERED"
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sleep 1
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$OUTER capture-pane -p -t outer:0.0 >"$CAPTURE"
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grep -q COVERED "$CAPTURE" && fail "covered pane drawn over floating pane"
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exit 0
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