From 9ce9b0e8d7df7907701c4359b152372f5dcbd00e Mon Sep 17 00:00:00 2001
From: Miguel Serrano <mserranom@users.noreply.github.com>
Date: Tue, 7 Dec 2021 10:19:10 +0100
Subject: [PATCH] Merge pull request #6021 from
 overleaf/ae-pdf-preview-horizontal-scroll

[web] Store left offset of PDF position

GitOrigin-RevId: 77d6b52a8485a427bb59618bf42b5f4a300c260a
---
 .../frontend/js/features/pdf-preview/util/pdf-js-wrapper.js  | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/services/web/frontend/js/features/pdf-preview/util/pdf-js-wrapper.js b/services/web/frontend/js/features/pdf-preview/util/pdf-js-wrapper.js
index 2293bc5c9f..70dbaeac03 100644
--- a/services/web/frontend/js/features/pdf-preview/util/pdf-js-wrapper.js
+++ b/services/web/frontend/js/features/pdf-preview/util/pdf-js-wrapper.js
@@ -150,12 +150,13 @@ export default class PDFJSWrapper {
 
     const containerRect = this.container.getBoundingClientRect()
     const dy = containerRect.top - pageRect.top
+    const dx = containerRect.left - pageRect.left
+    const [left, top] = pageView.viewport.convertToPdfPoint(dx, dy)
     const [, , width, height] = pageView.viewport.viewBox
-    const [, top] = pageView.viewport.convertToPdfPoint(0, dy)
 
     return {
       page: pageIndex,
-      offset: { top, left: 0 },
+      offset: { top, left },
       pageSize: { height, width },
     }
   }