Steps to reproduce
Open a document or spreadsheet in Collabora Online (in a nextcloud installation) using a touchscreen PC (Lenovo T450s running Fedora 29 and Firefox 64.0 in this case). Try to select some text by dragging your mouse over it

Expected behaviour
Text should appear selected (blue background)

Actual behaviour
When dragging vertically, the document scrolls. Text is not selected. This is what I would expect on a tablet.


Server configuration

Operating system:
Linux 4.15.0-43-generic #46-Ubuntu SMP Thu Dec 6 14:45:28 UTC 2018 x86_64

Web server:
Apache (fpm-fcgi)

Database:
mysql 5.7.22

PHP version:
7.1.26
Modules loaded: Core, date, libxml, openssl, pcre, sqlite3, zlib, bz2, ctype, curl, dom, hash, fileinfo, filter, ftp, gd, SPL, iconv, intl, json, ldap, mbstring, mcrypt, pcntl, PDO, session, pdo_sqlite, posix, Reflection, standard, SimpleXML, mysqlnd, exif, tokenizer, xml, xmlreader, xmlwriter, zip, pdo_mysql, cgi-fcgi, redis, Zend OPcache
Nextcloud version: (see Nextcloud admin page)
14.0.5 - 14.0.5.2

Where did you install Nextcloud from:
nextcloud-snap

Where did you install Collabora Online from:
latest Collabora/CODE docker container by 2019-01-17

LOOLWSD
4.0.0 (git hash: 173510f)

LOKit
Collabora Office 6.0-18 (git hash: e74e598)