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perf: batch queued cursor navigation events

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Valdemar Lorenzen
2026-10-14 15:06:04 +02:00
parent 1cb9a0ddfc
commit f26237af78
5 changed files with 187 additions and 25 deletions
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@@ -47,6 +47,7 @@ Rust tests live alongside their modules; native LSP integration checks are in [`
- Unix terminal-hook checks use isolated child processes and real PTYs to keep process-global hooks out of the parallel runner. They cover raw/alternate-screen/mouse-capture cleanup on entry failure, normal return, I/O errors, and panics during frame construction, including original panic-payload propagation.
- Redraw checks inspect actual Crossterm output during repeated scrolling: supporting terminals receive synchronized frames, terminals ignoring synchronization never paint with a visible hardware cursor, and the final caret remains visible. A protocol-state regression verifies that the terminal is not left in synchronized-output mode while the next frame is computed.
- Wheel checks render document/panel views and cover three-row scrolling, unchanged carets/selections/text, first/last-page clamping, offscreen cursor hiding, no-op/custom-bound navigation reveal, manual persistence through idle/resize/palette updates, and floating/unfocused-docked explorer selection and focus preservation. Queued-input checks verify that the next frame shows ordered wheel steps without crossing a key or resize boundary.
- Queued-navigation checks cover counted ordered motions through short rows, Normal/Visual ranges, remapped press/repeat keys, rendered caret visibility, edit/layout/prefix and non-key barriers, and the 64-key fairness bound. Burst smoke must verify the final cursor position as well as frame count; batching reduces queued redraws without increasing the OS/terminal repeat rate.
- Native LSP integration checks launch framed-protocol fixture subprocesses, covering initialization/settings, opt-in startup, synchronization, UTF-16/file-URI conversion, dirty targets, stale requests/diagnostics, and transport failures. Stack checks cover independent initialization, diagnostic merging/clearing, sibling failure isolation in active/parked buffers, same-revision rename/close identity, aggregate limits, first-server position routing, and both shutdowns. Semantic ordering uses protocol/file gates; elapsed deadlines only bound stuck subprocesses.
- Hover regression checks cover content forms, sanitization, cancelled/superseded replies, invalid results, scrolling/dismissal, Unicode clipping, and preserved editing state. Rendered checks cover longer/wider documentation visibility, Markdown heading and fenced-code colors, scrolled color coordinates, and replacement content without stale highlighting.
- Semantic-token checks cover full/range requests, legend/modifier remapping, UTF-16 boundaries and grapheme rounding, ASCII tab and Unicode column bounds, refresh/change coalescing, stale rename/close replies, null/empty/error fallback, primary/sibling retirement, and rendered cell precedence with syntax, diagnostics, search, selections, and carets.