Return values in Wayland XML specification

[Pekka Paalanen]

On Mon, 15 May 2017 14:22:32 +0100
adlo <adloconwy at gmail.com> wrote:

> > On 15 May 2017, at 08:46, Pekka Paalanen <ppaalanen at gmail.com> wrote:
> > 
> > Yes, that is a good design suggestion.
> > 
> > If the events are always sent only as a response to a request, then
> > there is no need for a 'done' event. The client can send the request
> > followed by wl_display.sync, and once the sync callback arrives, all
> > responses have been received.
> > 
> > But, if the server can spontaneously send a series of events, then you
> > probably need a 'done' for the client to know when the series is
> > complete again.  
> 
> What are events? Are they things that are sent by an interface or
> received by it?
> 
> How do you link the request with its corresponding response event? If
> the client sends a get_window request, how does the server know how
> to respond to it? Do they both need to be specified in the XML?

Hi,

how about you read through Chapter 4 in
https://wayland.freedesktop.org/docs/html/ first, please?


Thanks,
pq
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