sarutak commented on code in PR #56694:
URL: https://github.com/apache/spark/pull/56694#discussion_r3472697710
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sql/core/src/main/resources/org/apache/spark/sql/execution/ui/static/spark-sql-viz.js:
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@@ -765,6 +765,48 @@ function setupZoomAndPan(svg, zoomLayer) {
// provides the natural fit, and the zoom-layer has no transform, so no
// explicit transform is required here.
updateZoomLevelLabel(1);
+
+ // Remove d3-zoom's wheel listener (which is registered as non-passive and
+ // can block page scrolling) and replace it with a gated wrapper that only
+ // forwards Ctrl/Cmd+wheel to d3, letting unmodified scrolls pass through.
+ var d3WheelHandler = svg.on("wheel.zoom");
Review Comment:
`wheel.zoom` is d3-zoom's documented event namespace and has been stable
across d3 v4–v7. The null-guard on `d3WheelHandler` already protects against
breakage if it ever changes. I've added a comment noting this coupling.
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