Surface ID assignment for multiple instances of an application

[Eugen Friedrich]

Hi Dalvi,

The ivi id is something application needs to set explicitly, need to
understand how the id is assigned for application you already can control?!
Are you using id-agent plugin?

Best regards
Jena

Vaibhav Dalvi <vaibhav.dlv at gmail.com> schrieb am Fr. 4. Juni 2021 um 07:19:

> Hi all,
> I'm working on a simple C++ application (dbus-service) which can
> start/stop another application ( a vnc viewer application ). My platform is
> arm-linux with wayland + ivi-shell. Now I am able to start / stop the x11
> vncviewer application one instance. Needed to add desktop-app entries in
> weston.ini. I'm using LayerManagerControl commands to manage the window (
> at present - further on ilm API's shall be used. )
>
> Now my next use case is multiple instances of this vnc viewer application.
> And for that I added few more desktop-app entries to weston.ini, and
> updated the service to launch multiple instances of vnc viewer. I am able
> to launch multiple instances of vncviewer. But to control those instances,
> I need to know which instance is assigned which surface ID.
>
> Another look at ilm api's led me to surface-property's creator-PID field.
> Unfortunately with xwayland, for x11 apps this field contains PID of
> xwayland instance and not the actual x11 app.
>
> I looked at libweston as well as xwayland-api, but not able to see a clear
> solution. Please suggest any way to obtain this mapping of surface ID and
> process ID for x11 apps with xwayland.
>
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>
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