feat(scroll): add opt-in smooth pixel scrolling#1599
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Add an opt-in smooth scrolling path that accumulates trackpad pixel deltas, carries fractional scroll offset through the renderer, and shifts the grid shader origin for sub-line motion. Fetch an extra visible row while smooth scrolling so partially exposed history content can render without gaps, and reset the fractional offset for jump-style scroll commands and bottom snaps. Clamp the fractional offset at scrollback boundaries and expose the behavior through the scroll.smooth config option, disabled by default.
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Disclaimer: fully AI (GLM 5.1 via claude code, for transparency). |
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Screen.Recording.2026-05-16.at.12.59.47.mov |
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Summary
scroll.smoothsetting for pixel-level trackpad scrolling while keeping the existing line-based behavior as the default.Validation
cargo fmt --check