From 59eada697230b587979b8995f71f0b43bef48e68 Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Mon, 23 Mar 2020 17:07:32 +0100
Subject: [PATCH] Add `passive: false` to the `wheel` event listener used in
 `PDFPresentationMode` (issue 11735, PR 10765 follow-up)

---
 web/pdf_presentation_mode.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/web/pdf_presentation_mode.js b/web/pdf_presentation_mode.js
index 41bf8df57..91f7706b6 100644
--- a/web/pdf_presentation_mode.js
+++ b/web/pdf_presentation_mode.js
@@ -423,7 +423,7 @@ class PDFPresentationMode {
 
     window.addEventListener("mousemove", this.showControlsBind);
     window.addEventListener("mousedown", this.mouseDownBind);
-    window.addEventListener("wheel", this.mouseWheelBind);
+    window.addEventListener("wheel", this.mouseWheelBind, { passive: false });
     window.addEventListener("keydown", this.resetMouseScrollStateBind);
     window.addEventListener("contextmenu", this.contextMenuBind);
     window.addEventListener("touchstart", this.touchSwipeBind);