Popover (GUI)
Apopoveris a container-typegraphical control elementthat hovers over its parent window and blocks any other interaction until it is selected. It can contain various other graphical control elements such ascheckboxes,radio buttons,orlist boxes.Like any container-type graphical control element, it is meant to group elements that belong together.
Popover graphical control element were introduced inGTK+3.12.[1]
Apple included popovers in theirhuman interface guidelines.[2]Popovers are in use on the web.Bootstraphas a component to create popovers, similar to those found in iOS.[3]
When hovering a link in Wikipedia, by default, there is a popup ofpage previewthat is in a way popover: it includes a button and it has more content than intooltip.