| 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. |
| LAST7 | 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.