the axis is used for pen/tablet distance information. (Since: 3.22)
the axis is ignored.
a constant equal to the numerically highest axis value.
the axis is used for pressure information.
the axis is used for pen rotation information. (Since: 3.22)
the axis is used for pen slider information. (Since: 3.22)
the axis is used for wheel information.
the axis is used as the x axis.
the axis is used for x tilt information.
the axis is used as the y axis.
the axis is used for y tilt information.
An enumeration describing the way in which a device axis (valuator) maps onto the predefined valuator types that GTK+ understands.
Note that the X and Y axes are not really needed; pointer devices report their location via the x/y members of events regardless. Whether X and Y are present as axes depends on the GDK backend.