Simple timeline item selection
@iamer
Submitted by b'Islam Amer' Assigned to b'Islam Amer' @iamer
Description
First patch , trying to add item selection in the simple timeline along with some extra keybindings for easing keyboard navigations. I have a couple of other patches that I will attach here later.
Imported from https://bugzilla.gnome.org/show_bug.cgi?id=529398