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c121116b3c
Support Kitty and SIXEL input and output with grid-resident image layers, history and copy-mode integration, text fallback rendering, and damage-rectangle redraws. Consolidate the image work through 250f96b4b onto the redraw-damage-rectangles-new base, excluding the superseded redraw implementation and its historical merges. The original history is preserved in backup/4902-image-support-before-master-rebase-20261003.
45 lines
1.7 KiB
Bash
Executable File
45 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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# Visual test for sixel-region-scrolling: does this terminal actually move
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# SIXEL pixels along with tmux's own scroll-region escapes (DECSTBM/DECSLRM
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# + IND/RI/RIN), or does tmux need to fall back to redrawing the image on
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# every scroll?
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#
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# There is no way to query a terminal for this, so it has to be judged by
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# eye. Run this from inside the tmux session you want to test (attached
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# from whichever terminal emulator you're checking), and watch the
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# numbered colour bands in the floating pane while the counter below it
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# scrolls slowly. Run it once with the option on, once with it off, and
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# compare:
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#
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# - "off" is the known-good baseline: tmux redraws the whole image every
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# scroll, so the bands must stay perfectly aligned with the counter no
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# matter what the terminal does on its own.
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# - "on" trusts the terminal to have moved the pixels itself. If it
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# looks identical to "off", this terminal is fine. If a band freezes,
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# duplicates, tears, or drifts out of sync with the counter, this
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# terminal does not scroll SIXEL regions correctly and
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# sixel-region-scrolling should stay off for it.
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#
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# Usage: sh tools/sixel-scroll-region-test.sh [on|off]
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set -eu
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cd "$(dirname "$0")/.."
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MODE=${1:-on}
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case "$MODE" in
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on|off) ;;
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*) echo "usage: $0 [on|off]" >&2; exit 1 ;;
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esac
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tmux set -s sixel-region-scrolling "$MODE"
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tmux set -as terminal-features ',*:sixel'
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echo "Testing with sixel-region-scrolling=$MODE. Watch the coloured bands" >&2
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echo "in the floating pane - they should stay locked to the counter." >&2
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sleep 2
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PANE=$(tmux new-pane -d -x 24 -y 22 -PF '#{pane_id}' \
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"cat '$(pwd)/tools/sixel-ruler.six'; for i in \$(seq 1 50); do echo line \$i; sleep 0.3; done; echo done - press enter; read _")
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tmux select-pane -t "$PANE"
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