ngraham added a comment.
As a general cross-platform UI convention, Shift+scroll wheel is typically used for horizontal scrolling. See the kinds of results returned with the following web search: https://duckduckgo.com/?q=shift+scroll Using just Ctrl for this should be fine though. REPOSITORY R169 Kirigami REVISION DETAIL https://phabricator.kde.org/D8726 To: broulik, #plasma, mart Cc: ngraham, plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, davidedmundson, mart, hein