IMHO, the mouse wheel shouldn't apply to horizontal sliders at all. It's too unintuitive, contentious about what the correct direction is (for Natural Scrolling), and a needless attempt at helping the user to avoid clicking and dragging. Plus, obviously, it causes this bug.
** Package changed: gnome-control-center (Ubuntu) => gtk+3.0 (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to gtk+3.0 in Ubuntu. https://bugs.launchpad.net/bugs/1823336 Title: Scrolling the sound panel with the mouse wheel can result in sliders being moved by mistake Status in gtk+3.0 package in Ubuntu: New Bug description: = Steps to reproduce = 1. Open the control center 2. Open the sound panel 3. Position the mouse in the middle of the panel and scroll up and down with the wheel 4. If a slider box moves to be under the mouse then the slider is moved instead of scrolling the window A video to try and show this is here: https://www.youtube.com/watch?v=IgqP25wYymU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1823336/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
