[PATCH libinput] Add libinput_device_pointer_has_button over the plain has_button

Peter Hutterer peter.hutterer at who-t.net
Fri Feb 13 19:06:13 PST 2015

On 14/02/2015 11:17 , Bill Spitzak wrote:
> On 02/13/2015 04:46 PM, Peter Hutterer wrote:
>> On 14/02/2015 05:00 , Bill Spitzak wrote:
>>> Actually, more to the point, it sounds like the client is unable to
>>> distinguish the BTN_LEFT produced by the pointer from the BTN_LEFT
>>> produced by the pad.
>> the caller can tell what event caused the button.
>>> If in fact it *can* be distinguished then there should be some very
>>> similar api to this "has" function. For instance if there is some
>>> sub-device id sent with the events then this function should take that
>>> same sub-device id.
>> what sub-device ID? we don't have subdevices, that was an idea that was
>> floated for a while and obsoleted by the device group.
> Sorry for being vague. But what I am saying is that if "the caller can
> tell what event caused the button" then something says whether the event
> is from the pointer or from the pad. What I am thinking is that this
> "has" function should take the same information so that you can ask
> whether the pointer or the pad has the button.

isn't that exactly what the patch does?


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