[PATCH inputproto 1/4] XI2.1: send RawEvents at all times.

[Jeremy Huddleston]

For the inputproto set:

Reviewed-by: Jeremy Huddleston <jeremyhu at apple.com>

On Jun 2, 2011, at 12:13 AM, Peter Hutterer wrote:

> When a client grabbed a device, XI 2.0 only sends RawEvents to that client.
> This behaviour is problematic and cannot be worked around for many
> applications that need to continue receiving events.
> 
> On the other hand, no client seems to rely on this behaviour or use it to
> its advantage. For XI 2.1, disable this behaviour and continue to send raw
> events regardless of the grab state of the device.
> 
> Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
> Acked-by: Chase Douglas <chase.douglas at canonical.com>
> Reviewed-by: Daniel Stone <daniel at fooishbar.org>
> ---
> specs/XI2proto.txt |   14 ++++++++++++--
> 1 files changed, 12 insertions(+), 2 deletions(-)
> 
> diff --git a/specs/XI2proto.txt b/specs/XI2proto.txt
> index 1e3adbe..5abf9d4 100644
> --- a/specs/XI2proto.txt
> +++ b/specs/XI2proto.txt
> @@ -34,6 +34,12 @@ used on applications employing the core protocol. XI2 addresses both of these
> issues by enabling devices to be both extended and core devices and providing
> device information in each event (with the exception of core events).
> 
> +2.1 Changes
> +-----------
> +Changes introduced by version 2.1
> +
> +- RawEvents are sent regardless of the grab state.
> +
> //                            ❧❧❧❧❧❧❧❧❧❧❧
> 
> 2. Notations used in this document
> @@ -1598,8 +1604,12 @@ transformed data as used in the server. Transformations include, but are
> not limited to, axis clipping and acceleration.
> Transformed valuator data may be equivalent to raw data. In this case,
> both raw and transformed valuator data is provided.
> -RawEvents are sent exclusively to all root windows or to the client
> -that grabbed the device only.
> +RawEvents are sent exclusively to all root windows.
> +Clients supporting XI 2.0 receive raw events when the device is not grabbed,
> +or when the device is grabbed by the client but not when the device is
> +grabbed by another client.
> +Clients supporting XI 2.1 or later receive raw events at all times, even
> +when the device is grabbed by another client.
> 
>     eventtype
>         The type of event that occured on the device.
> -- 
> 1.7.5.1
> 
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