Re: Keystates, implementing a full Plasma on Wayland

Am 2019-04-03 04:45, schrieb Aleix Pol:
> On Tue, Apr 2, 2019 at 1:59 PM Martin Flöser <[email protected]> 
> wrote:
>> 
>> Hi Aleix,
>> 
>> I would have approached the problem differently. First of all I don't
>> think we need any new protocol for transmitting key state. That's
>> already built into the wl_keyboard protocol. The "problem" with this
>> protocol is that it only sends events to the focused application, 
>> which
>> makes it not a direct solution for applications like Plasma which need
>> to show the state all the time. For all other applications it would be
>> fine. Firefox doesn't need to know the state if it's not focused.
> 
> It would still be a problem if it gets out of sync, wouldn't it? (i.e.
> if the state changes while out of focus)

There's nothing which can go out of sync. The wl_keyboard protocol is 
quite neatly designed.

> 
> I'm not sure why exporting all the data to the process (plasmashell,
> screenlocker, keyboard kcm thingie) is better than having a simple
> specific protocol.

I'm not suggesting to send all data to the process, just the modifier 
event of wl_keyboard, which is exactly the same thing you need in the 
protocol you added. And instead of re-inventing the wheel, we use what 
already exists.

Cheers
Martin