| Value | Meaning |
|---|---|
| IGNORE0 | the axis is ignored. |
| X1 | the axis is used as the x axis. |
| Y2 | the axis is used as the y axis. |
| PRESSURE3 | the axis is used for pressure information. |
| XTILT4 | the axis is used for x tilt information. |
| YTILT5 | the axis is used for y tilt information. |
| WHEEL6 | the axis is used for wheel information. |
| DISTANCE7 | the axis is used for pen/tablet distance information. (Since: 3.22) |
| ROTATION8 | the axis is used for pen rotation information. (Since: 3.22) |
| SLIDER9 | the axis is used for pen slider information. (Since: 3.22) |
| LAST10 | a constant equal to the numerically highest axis value. |
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.