[PATCH RFC] Add language and text-direction to text protocol

[Jan Arne Petersen]

On 01.02.2013 14:25, Yichao Yu wrote:
> On Fri, Feb 1, 2013 at 8:06 AM, Jan Arne Petersen
> <jpetersen at openismus.com> wrote:
>> On 01.02.2013 13:46, Yichao Yu wrote:
>>> On Fri, Feb 1, 2013 at 3:18 AM, Jan Arne Petersen
>>> <jpetersen at openismus.com> wrote:
>>>> On 31.01.2013 23:39, Weng Xuetian wrote:
>>>>> And, IMHO, those hint should be set in a key-value map, instead of everytime
>>>>> we add some new API, hence the API would be much more flexible and easier to
>>>>> be backward compatible. And maybe also reduce IPC round trip between input
>>>>> method and application.
>>>>
>>>> No a key-value map is not really helpful, we would need to add a key
>>>> specification so that not every toolkit and every input method uses
>>>> different keys, different types of values etc.
>>>
>>> It will be useful as long as you define some keys you need, language
>>> and text-direction in this case, just like wl_display::global event,
>>> although the event may not necessarily sent out directly by the
>>> compositor.
>>
>> Why should I reinvent the Wayland protocol on-top of a key-value map and
>> not just use it as it is?
> 
> In order to easily add new stuff? Or is it possible to add a event
> without a abi breaking?

Yes that is easily possible, see "Protocol Versioning" at
http://lists.freedesktop.org/archives/wayland-devel/2012-October/005967.html

-- 
Jan Arne Petersen
Openismus GmbH
http://www.openismus.com