From aa86cf955755cd05ed9c274daebbec248c39d863 Mon Sep 17 00:00:00 2001
From: Claire <claire.github-309c@sitedethib.com>
Date: Wed, 16 Feb 2022 21:44:47 +0100
Subject: [PATCH] Fix opening the emoji picker scrolling the single-column view
 to the top (#17579)

Fixes #17577
---
 .../compose/components/emoji_picker_dropdown.js   | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js b/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js
index 4a87714e644..f433e4de9fa 100644
--- a/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js
+++ b/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js
@@ -170,7 +170,7 @@ class EmojiPickerMenu extends React.PureComponent {
 
   state = {
     modifierOpen: false,
-    placement: null,
+    readyToFocus: false,
   };
 
   handleDocumentClick = e => {
@@ -182,6 +182,16 @@ class EmojiPickerMenu extends React.PureComponent {
   componentDidMount () {
     document.addEventListener('click', this.handleDocumentClick, false);
     document.addEventListener('touchend', this.handleDocumentClick, listenerOptions);
+
+    // Because of https://github.com/react-bootstrap/react-bootstrap/issues/2614 we need
+    // to wait for a frame before focusing
+    requestAnimationFrame(() => {
+      this.setState({ readyToFocus: true });
+      if (this.node) {
+        const element = this.node.querySelector('input[type="search"]');
+        if (element) element.focus();
+      }
+    });
   }
 
   componentWillUnmount () {
@@ -281,7 +291,7 @@ class EmojiPickerMenu extends React.PureComponent {
           showSkinTones={false}
           backgroundImageFn={backgroundImageFn}
           notFound={notFoundFn}
-          autoFocus
+          autoFocus={this.state.readyToFocus}
           emojiTooltip
         />
 
@@ -314,6 +324,7 @@ class EmojiPickerDropdown extends React.PureComponent {
   state = {
     active: false,
     loading: false,
+    placement: null,
   };
 
   setRef = (c) => {