[gtk+/wip/wayland-tablet: 530/555] device: Add distance/rotation/slider GdkAxisUse values

[Carlos Garnacho <carlosg src gnome org>]

commit af847aacb3126ae07736b60b268fd0a15cd529ee
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Jan 27 21:34:21 2015 +0000

    device: Add distance/rotation/slider GdkAxisUse values
    
    These are possible to handle in tablets, so add a value for these in the
    axis enum.

 gdk/gdkdevice.h |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/gdk/gdkdevice.h b/gdk/gdkdevice.h
index 49d6777..d171f8f 100644
--- a/gdk/gdkdevice.h
+++ b/gdk/gdkdevice.h
@@ -89,6 +89,9 @@ typedef enum
  * @GDK_AXIS_XTILT: the axis is used for x tilt information.
  * @GDK_AXIS_YTILT: the axis is used for y tilt information.
  * @GDK_AXIS_WHEEL: the axis is used for wheel information.
+ * @GDK_AXIS_DISTANCE: the axis is used for pen/tablet distance information. (Since: 3.22)
+ * @GDK_AXIS_ROTATION: the axis is used for pen rotation information. (Since: 3.22)
+ * @GDK_AXIS_SLIDER: the axis is used for pen slider information. (Since: 3.22)
  * @GDK_AXIS_LAST: a constant equal to the numerically highest axis value.
  *
  * An enumeration describing the way in which a device
@@ -104,6 +107,9 @@ typedef enum
   GDK_AXIS_XTILT,
   GDK_AXIS_YTILT,
   GDK_AXIS_WHEEL,
+  GDK_AXIS_DISTANCE,
+  GDK_AXIS_ROTATION,
+  GDK_AXIS_SLIDER,
   GDK_AXIS_LAST
 } GdkAxisUse;