lucaronin 0082c02eb4 fix: bypass CodeMirror posAtCoords for accurate cursor at non-100% CSS zoom ...

CSS zoom on document.documentElement causes a coordinate space mismatch
between mouse event clientX/Y (viewport space) and Range.getClientRects()
(CSS space), breaking CodeMirror's click-to-position mapping. The previous
requestMeasure() fix only recalibrated cached geometry, not this mismatch.

New approach: zoomCursorFix extension patches posAtCoords/posAndSideAtCoords
on the EditorView instance to use document.caretRangeFromPoint() — the
browser's native, zoom-aware API — with coord-adjustment fallback.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-03-09 10:43:46 +01:00

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