Weston

Fri Nov 11 11:08:11 UTC 2016

2016-11-11 11:18 GMT+01:00 Andrea Giammarchi <andrea.giammarchi at gmail.com>:
> Thanks for your answer.
>
>> you should be starting weston, not weston-launch, when you have a proper
>> logind. weston-launch is for users who do not have logind service.
>
> I think weston-launch does more than just weston, in some case weston wasn't
> able to start full-screen but I might give it another try with just weston
> on that very same service, unless there is a better way (for which I'd love
> an example)
>
>
>
>> This is really not meant to be used like you use it. The shell client is a
>> special client, it is not the place to plug in random applications for
>> autolaunch.
>
> AFAIK Weston is a compositor but it does not provide a way to auto launch
> applications if not through the shell.
> What you see there is what Tizen does (or used to do) together with every
> other Kiosk based on Weston.
>
> Is there any other way to launch a full screen-kiosk app if not through
> shell?
>
>
>
>> E.g. if you have a floating window, and you want to resize it by dragging
>> a pointer, the cursor is left as what the app last set it, rather than the
>> cursor the compositor would pick.
>
> Benja is a Web Kiosk, has no floating window, just evnetually Gtk modals and
> these show up fine.
>
>
>> You cannot have screen locking.
>
> I've posted my configuration which disables screen locking, not an issue.
>
>
>> Indications for frozen app windows is missing.
>
> if the browser freeze there's nothing else Benja can do if not a browser
> reset
>
>
>> The compositor start-up will take long, because it needs to time out
>> before fading in since the shell client is not signalling ready. In the
>> future there might be more things than just fade-in that wait for the
>> read-signal.
>
> the fade and animations are disabled, as you can see from the config so not
> an issue.
>
>
>> If your app ever goes non-fullscreen, you will see garbage outside the app
>> window.
>
> it never does that. It's an always full screen Web Kiosk with disabled
> resize.
>
>
>
>> You possibly see garbage or glitches during startup if you disable the
>> fade-in animation.
>
> I don't, like I've said Benja works already. It has been out for months now.
>
>
>
>> Maybe mod+tab shows wrong blending as there is no wallpaper.
>
> I don't want wallpaper, or at least not a system one, it's a Web Kiosk
> system.
>
>
>> Those are just what came to mind off-hand, there's possibly more.
>
> If you think there are more specific for Benja use case please let me know
> 'cause so far ....
>
>
>> So yeah, it probably works for you for now, if you don't pay attention to
>> details and nothing in apps ever fails. I'd call that fragile.
>
> ... I've paid attention already to these details and configured it to *not*
> be fragile. (it's been on for weaks now on my raspi2)
>
>
> Best Regards.

It may work without any glitch for you, but that doesn't change the
fact that you're misusing the feature, and a weston update could break
it anytime.

Cheers,
Giulio

>
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> On Fri, Nov 11, 2016 at 9:47 AM, Pekka Paalanen <ppaalanen at gmail.com> wrote:
>>
>> On Thu, 10 Nov 2016 14:48:53 +0000
>> Andrea Giammarchi <andrea.giammarchi at gmail.com> wrote:
>>
>> > > why is it using weston-launch when you have systemd?
>> >
>> > I am not sure I understand; that file is a service that's enable via
>> > systemctl and it launches weston once the graphic is ready, right?
>> >
>> > How else would you start weston on boot? Is there already a weston
>> > service
>> > I am missing? That might simplify things for me.
>>
>> Hi,
>>
>> you should be starting weston, not weston-launch, when you have a
>> proper logind. weston-launch is for users who do not have logind
>> service.
>>
>> weston-launch does support cases where logind exists, in which case it
>> remains unused - an extra setuid-root process with no purpose.
>>
>> > > No, that does not fully work
>> >
>> > FWICT benja works already pretty well and for a kiosk like system I
>> > think
>> > the following is enough, or at least it is enough for benja use case ...
>> > isn't it? Am I missing some configuration?
>> >
>> > ```
>> > [core]
>> > idle-time=0
>> > modules=xwayland.so
>> >
>> > [shell]
>> > client=/usr/bin/app
>>
>> This is really not meant to be used like you use it. The shell client
>> is a special client, it is not the place to plug in random applications
>> for autolaunch.
>>
>> > animation=none
>> > close-animation=none
>> > startup-animation=none
>> > locking=false
>> > ```
>> >
>> > > It may appear to work at first, but you will miss the corner cases.
>> >
>> > can you please indicate some of these corner cases?
>>
>> I listed them already.
>>
>> E.g. if you have a floating window, and you want to resize it by
>> dragging a pointer, the cursor is left as what the app last set it,
>> rather than the cursor the compositor would pick.
>>
>> You cannot have screen locking.
>>
>> Indications for frozen app windows is missing.
>>
>> The compositor start-up will take long, because it needs to time out
>> before fading in since the shell client is not signalling ready. In the
>> future there might be more things than just fade-in that wait for the
>> read-signal.
>>
>> If your app ever goes non-fullscreen, you will see garbage outside the
>> app window.
>>
>> You possibly see garbage or glitches during startup if you disable the
>> fade-in animation.
>>
>> Maybe mod+tab shows wrong blending as there is no wallpaper.
>>
>> Those are just what came to mind off-hand, there's possibly more.
>>
>> So yeah, it probably works for you for now, if you don't pay attention
>> to details and nothing in apps ever fails. I'd call that fragile.
>>
>>
>> Thanks
>> pq
>>
>>
>> > On Thu, Nov 10, 2016 at 10:57 AM, Pekka Paalanen <ppaalanen at gmail.com>
>> > wrote:
>> >
>> > > On Thu, 10 Nov 2016 09:44:58 +0000
>> > > Andrea Giammarchi <andrea.giammarchi at gmail.com> wrote:
>> > >
>> > > > It looks like you want something like benja ( https://benja.io/ )
>> > > > which
>> > > is
>> > > > Weston + Electron based.
>> > > >
>> > > > It uses a service:
>> > > > https://github.com/WebReflection/benja/blob/gh-
>> > > pages/os/sh/weston-compositor.service
>> > > > You can enable it via `systemctl enable weston-compositor`
>> > >
>> > > Hi,
>> > >
>> > > why is it using weston-launch when you have systemd?
>> > >
>> > > >
>> > > > You also need to put
>> > > > ```
>> > > > [shell]
>> > > > client=/usr/bin/chromium
>> > > > ```
>> > > > or the application you want to use instead of the default
>> > > > desktop/shell
>> > > > inside the `~/.config/weston.ini` file, and this can be also a bash
>> > > > file
>> > > > that launches chrome in fullscreen or with specific parameters.
>> > >
>> > > No, that does not fully work, unless you have modified chromium to
>> > > also
>> > > take care of weston-desktop-shell's responsibilities.
>> > >
>> > > weston-desktop-shell does not only do the wallpaper and panel, it also
>> > > provides the lock screen and pointer cursors for grabs and
>> > > unresponsive
>> > > apps, plus more. See weston-desktop-shell.xml in Weston repository.
>> > >
>> > > It may appear to work at first, but you will miss the corner cases.
>> > >
>> > > Doing that also gives the app privileges it would not have otherwise
>> > > (i.e. bind to and use weston_desktop_shell interface).
>> > >
>> > >
>> > > Thanks,
>> > > pq
>> > >
>> > > > You can test that everything works as expected simply using
>> > > > `/usr/bin/weston-terminal` as client to find yourself within the
>> > > > shell
>> > > (or
>> > > > you can just use Benja to develop your portable app)
>> > > >
>> > > > Best Regards
>> > > >
>> > > >
>> > > >
>> > > > On Wed, Oct 26, 2016 at 3:10 PM, Nikola Popovic <
>> > > nikola.popovic at rt-rk.com>
>> > > > wrote:
>> > > >
>> > > > > Greetings.
>> > > > >
>> > > > > I have installed yocto on my board. Im planing to run weston just
>> > > > > after
>> > > > > boot finish and to run chromium inside weston. Is it possible to
>> > > > > write
>> > > some
>> > > > > script or something in weston.ini to run chromium inside weston
>> > > without my
>> > > > > interaction.
>> > > > >
>> > > > > Tnx!
>> > > > >
>> > > > > --
>> > > > > Nikola Popovic
>> > > > > Software Engineer
>> > > > > Tel: +381 21 4801 1304
>> > > > > E-mail : nikola.popovic at rt-rk.com
>> > > > >
>> > > > > RT-RK LLC
>> > > > > Narodnog fronta 23a
>> > > > > 21000 Novi Sad
>> > > > > Serbia
>> > > > > www.rt-rk.com
>> > > > >
>> > > > > _______________________________________________
>> > > > > wayland-devel mailing list
>> > > > > wayland-devel at lists.freedesktop.org
>> > > > > https://lists.freedesktop.org/mailman/listinfo/wayland-devel
>> > > > >
>> > >
>> > >
>>
>
>
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