Merge pull request #280 from abhitrueprogrammer/zoomIn

fix: zoom

Author: abhitrueprogrammer

src/components/pdfViewer.tsx

@@ -168,6 +168,22 @@ export default function PdfViewer({ url, name }: PdfViewerProps) {
     return () => window.removeEventListener("resize", calculateScale);
   }, []);
 
+useEffect(() => {
+  const container = containerRef.current;
+  if (!container) return;
+
+  const handleWheel = (e: WheelEvent) => {
+    if (e.ctrlKey) { // ctrl+wheel is pinch zoom gesture
+      e.preventDefault();
+      setScale((prev) => Math.max(0.1, prev + (e.deltaY < 0 ? 0.1 : -0.1)));
+    }
+  };
+
+  container.addEventListener("wheel", handleWheel, { passive: false });
+  return () => container.removeEventListener("wheel", handleWheel);
+}, []);
+
+
   return (
     <div className="flex flex-col items-center p-3 md:p-0">
       <div