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protocol: Clarify pointer axis event

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Pointer axis events are in the same coordinate space as motion events.

Signed-off-by: Jonas Ådahl <jadahl@gmail.com>
This commit is contained in:
Jonas Ådahl 2012-10-03 22:50:55 +02:00 • committed by Kristian Høgsberg
parent 6ac1cd692f
commit de1b471318
1 changed files with 16 additions and 4 deletions
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20
protocol/wayland.xml
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@ -987,10 +987,22 @@
<event name="axis">
<description summary="axis event">
Scroll and other axis notifications. The value parameter
is the length of a vector along an axis in a coordinate space
identical to those of motion events, representing the relative
movement along an axis.
Scroll and other axis notifications.
For scroll events (vertical and horizontal scroll axes), the
value parameter is the length of a vector along the specified
axis in a coordinate space identical to those of motion events,
representing a relative movement along the specified axis.
For devices that support movements non-parallel to axes multiple
axis events will be emitted.
When applicable, for example for touch pads, the server can
choose to emit scroll events where the motion vector is
equivalent to a motion event vector.
When applicable, clients can transform its view relative to the
scroll distance.
</description>
<arg name="time" type="uint"/>