sarutak commented on code in PR #56694:
URL: https://github.com/apache/spark/pull/56694#discussion_r3472676612
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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");
+ svg.on("wheel.zoom", null);
+ svgNode.addEventListener("wheel", function (e) {
+ if (e.ctrlKey || e.metaKey) {
+ // Prevent the browser's native page zoom so only the DAG zooms.
+ e.preventDefault();
+ // Forward to d3-zoom's original handler for zoom behavior.
+ // Note: trackpad pinch gestures fire as wheel events with ctrlKey=true,
+ // so pinch-to-zoom still works as expected.
+ if (d3WheelHandler) d3WheelHandler.call(this, e);
+ } else {
+ // Let the event propagate naturally for page scrolling and show hint
+ showZoomHint();
Review Comment:
The hint now shows once, then suppresses further triggers until the 1s
display+fade completes. Continuous scrolling over the DAG no longer keeps the
overlay visible.
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