Not able to take screenshots with KDE Plasma 5.20.80

[Méven]

As it was said, this change was introduced (by me) in :
https://phabricator.kde.org/D29407

It was done for Wayland to replace the past KWin behavior click-to-confirm
to take a screenshot while keeping at least a declarative setting.

Le jeu. 29 oct. 2020 à 17:39, Nate Graham <nate at kde.org> a écrit :

> Seems related to https://invent.kde.org/plasma/kwin/-/merge_requests/374.
>
This patch is to lift the

For Wayland, I recommend using xdg-desktop-portal standard API to use a
portable durable standard API.
I am fixing its support in
https://invent.kde.org/plasma/xdg-desktop-portal-kde/-/merge_requests/32
I thought it had already been done, sorry for this.

And if this does not fill your need, well, do the same as
https://invent.kde.org/plasma/xdg-desktop-portal-kde/-/merge_requests/32 in
your application.

But this screenshot API is not meant to last very long, as this is not
Wayland worthy security-wise.
This would need better standardisation for instance a Wayland Protocol
ideally.

Sorry for caughting you unaware.

Cheers,

Méven

Nate
>
>
> On 10/27/20 5:25 PM, Damir Porobic wrote:
> > Hi Jan,
> >
> > I have searched for files with that name and found following:
> >
> > /usr/share/xdg-desktop-portal-kde
> > /usr/share/lintian/overrides/xdg-desktop-portal-kde
> > /usr/share/doc/xdg-desktop-portal-kde
> > /usr/lib/x86_64-linux-gnu/libexec/xdg-desktop-portal-kde
> >
> > The first and third are directories, the fourth is a library. I've added
> > the string you mentioned to the second file and restarted my notebook
> > but the behavior seems to be the same. Did you mean a different file
> > where I should add the string?
> >
> > Regards,
> > Damir
> >
> > ------------------------------------------------------------------------
> > *From:* kde-devel <kde-devel-bounces at kde.org> on behalf of Jan Grulich
> > <jgrulich at redhat.com>
> > *Sent:* Monday, October 19, 2020 07:34
> > *To:* kde-devel at kde.org <kde-devel at kde.org>
> > *Subject:* Re: Not able to take screenshots with KDE Plasma 5.20.80
> > Hi,
> >
> > can you try to add
> > "X-KDE-DBUS-Restricted-Interfaces=org.kde.kwin.Screenshot" into the
> > xdg-desktop-portal-kde desktop file and restart it?
> >
> > Regards,
> > Jan
> >
> > ne 18. 10. 2020 v 22:50 odesílatel Damir Porobic <damir_porobic at live.com
> > <mailto:damir_porobic at live.com>> napsal:
> >
> >     Hello,
> >
> >     anyone any feedback on this one? Kind of breaks all non KDE
> >     Screenshot tools under Wayland.
> >     Would be nice to know if this is by error or some additional steps
> >     are required now.
> >
> >     Best regards,
> >     Damir
> >
> >
>  ------------------------------------------------------------------------
> >     *From:* Damir Porobic <damir_porobic at live.com
> >     <mailto:damir_porobic at live.com>>
> >     *Sent:* Wednesday, October 14, 2020 21:34
> >     *To:* kde-devel at kde.org <mailto:kde-devel at kde.org>
> >     <kde-devel at kde.org <mailto:kde-devel at kde.org>>
> >     *Subject:* Re: Not able to take screenshots with KDE Plasma 5.20.80
> >     Seems to be related to this change here
> >     https://phabricator.kde.org/D29407 <
> https://phabricator.kde.org/D29407>
> >
> >     Also, I see the same error when using
> >     org.freedesktop.portal.Screenshot which requires already
> >     confirmation by default so I'm bit confused why both, authorization
> >     and confirmation? Also, looking quickly through the discussion I
> >     haven't found any clue how a non KDE application could get access to
> >     those screenshot interfaces.
> >
> >     Best regards,
> >     Damir
> >
>  ------------------------------------------------------------------------
> >     *From:* kde-devel <kde-devel-bounces at kde.org
> >     <mailto:kde-devel-bounces at kde.org>> on behalf of Damir Porobic
> >     <damir_porobic at live.com <mailto:damir_porobic at live.com>>
> >     *Sent:* Wednesday, October 14, 2020 21:22
> >     *To:* kde-devel at kde.org <mailto:kde-devel at kde.org>
> >     <kde-devel at kde.org <mailto:kde-devel at kde.org>>
> >     *Subject:* Not able to take screenshots with KDE Plasma 5.20.80
> >     Hello,
> >
> >     one of my users informed me that he's not able to take screenshots
> >     with KDE Plasma Wayland anymore. I've just tested myself, with
> >     Plasma 5.19.5 everything is working, with Plasma 5.20.80, it's not.
> >     My application supports two ways of taking screenshots under KDE
> >     Plasma, one is using "org.kde.kwin.Screenshot" like Spectacle and
> >     the other is using "org.freedesktop.portal.Screenshot". Interesting
> >     is that both stopped working with 5.20.80 but Spectacle seems to be
> >     able to take screenshot still. My imageGrabber that uses
> >     "org.kde.kwin.Screenshot" is basically a copy of Spectacles
> >     imageGrabber, so I'm wondering why it works for Spectacle and not
> >     for my application.
> >
> >     Looking at the dbus-monitor sessions, I've notices an error saying:
> >     error_name=org.kde.kwin.Screenshot.Error.NoAuthorized
> >     reply_serial=32 string "The process is not authorized to take a
> >     screenshot"
> >
> >     That's something new. How can a process be authorized to take
> >     screenshots?
> >
> >     Regards,
> >     Damir
> >
> >
> >
> > --
> >
> > Jan Grulich,
> >
> > Senior Software Engineer, Desktop Team
> >
> > Red Hat
> >
>
>

-- 
Méven
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