jabber.developer2
e33874e6b5
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Variant A (PAD_THRESHOLD=12000) bounds the pad but still re-enters win_redraw() from the print path on every message once the *live* buffer renders >= the threshold — reachable with a single oversized message (huge paste, narrow terminal, crafted incoming), reintroducing the per-message redraw storm. Trigger the reclaim redraw on dead space (getcury - buffer->lines) instead of absolute pad height. After a redraw the cursor equals buffer->lines, so dead space is 0 regardless of buffer size: the reclaim can never fire while scrolling, and an oversized message no longer storms (and is shown in full rather than clipped). Dead space only accrues in a long append-only session that trimmed old entries — exactly when reclaiming is wanted.