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Fix touchpad zooming in image viewer #481

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Merged
7w1 merged 2 commits into from
Mar 23, 2026
Merged

Fix touchpad zooming in image viewer #481

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943f0e9
Fix touchpad zooming in image viewer
integralfunction Mar 22, 2026
d9924e2
add changeset
integralfunction Mar 22, 2026
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5 changes: 5 additions & 0 deletions .changeset/fixes_touchpad_zooming_behaviour.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
default: minor
---

# fixes touchpad zooming behaviour
11 changes: 9 additions & 2 deletions src/app/components/image-viewer/ImageViewer.tsx
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Expand Up @@ -25,8 +25,15 @@ export const ImageViewer = as<'div', ImageViewerProps>(
};

const handleWheel = (e: WheelEvent) => {
if (e.deltaY < 0) zoomIn();
else zoomOut();
const { deltaY } = e;
// Mouse wheel scrolls only by integer delta values, therefore
// If deltaY is an integer, then it's a mouse wheel action
if (Number.isInteger(deltaY)) {
if (deltaY < 0) {
zoomIn();
} else zoomOut();
}
// If it's not an integer, then it's a touchpad action, do nothing and let the browser handle the zooming
};

return (
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