GtkPopover is a bubble-like context window, primarily meant to provide context-dependent information or options. Popovers are attached to a widget, passed at construction time on gtk.popover.Popover.new_, or updated afterwards through gtk.popover.Popover.setRelativeTo, by default they will point to the whole widget area, although this behavior can be changed through gtk.popover.Popover.setPointingTo.
Fluent builder for gtk.popover.Popover
Fluent builder implementation template for gtk.popover.Popover
Module for Popover class