• Markus Ongyerth's avatar
    backend/libinput: Manage tablet tool livetimes · 000b305e
    Markus Ongyerth authored
    This adds the management code to manage tablet tools lifetimes from
    It follows the suggestion made in the tablet-unstable-v2.xml to destroy
    tablet_tools once all tablets that it got into contact with were removed
    from the system. This is implemented via a refcount.
    If a tool is *not* unique, it will be destroyed on proximity out. This
    is libinput specific and mentioned in libinput docs that tools will not
    be found again, so we shouldn't keep a reference to them.
    Also they can't be on other tablets as well, because they cannot be
    The naming in this commit is a bit off (to not break things).
    The wlr names stay the same, tablet_tool is the libinput_device with
    capaiblity LIBINPUT_DEVICE_CAP_TABLET_TOOL which is more akin to
    "tablet" in the tablet-unstable-v2 protocol.
    The struct that corresponds to the tablet_tool in tablet-unstable-v2 is
    called tablet_tool_tool, a rename should be done at some point in the