Always track visited state of links. This way all visited links in all
labels look the same. Whether the theme wants to style :visited is the
theme's business.
This makes it more obvious that gtk_label_setup_mnemonic() depends on
the root of the widget and it therefore makes sense to call it in
::root/::unroot.
Don't allocate a new GString if we never need it and therefore don't
create the PangoAttrList if we have no attributes anyway. Update callers
to handle the possible NULL return value.
Don't crash while picking. The event signal broke
when GdkEvent was turned into a type instance,
since the automatic marshallers don't know how to
deal with that. Manually set the right marshaller.
GdkEvent has been a "I-can't-believe-this-is-not-OOP" type for ages,
using a union of sub-types. This has always been problematic when it
comes to implementing accessor functions: either you get generic API
that takes a GdkEvent and uses a massive switch() to determine which
event types have the data you're looking for; or you create namespaced
accessors, but break language bindings horribly, as boxed types cannot
have derived types.
The recent conversion of GskRenderNode (which had similar issues) to
GTypeInstance, and the fact that GdkEvent is now a completely opaque
type, provide us with the chance of moving GdkEvent to GTypeInstance,
and have sub-types for GdkEvent.
The change from boxed type to GTypeInstance is pretty small, all things
considered, but ends up cascading to a larger commit, as we still have
backends and code in GTK trying to access GdkEvent structures directly.
Additionally, the naming of the public getter functions requires
renaming all the data structures to conform to the namespace/type-name
pattern.
Use :focus-within for focus in entries, since the
actual focus is on the text within, and :focus for
notebooks, since we don't want to draw an outline
around the notebook when the focus is in content.
This is used for widgets that contain the focus widget,
reserving the focused state for the focus location itself.
This aligns our focus state handling with
https://www.w3.org/TR/selectors-4/
For the X11 backend, keep a list of monitors for which the surface
intersects the monitor area.
Whenever the X11 surface is configured, check against the list of
monitors to determine whether it enters a new monitor or if it left a
monitor, to emit the corresponding ::enter/leave-monitor signals just
like a Wayland compositor would.
As monitors can be added, removed or reconfigured at any time, redo
those checks whenever any of these events occur.
