copy/paste wayland

[Ed Greshko]

I'm testing F34 in a VM trying to accept wayland. I've run into an issue which I hope is
covered, but can't seem to find a solution.

I want to copy/paste text from a konsole window into an email being written under
thunderbird.  I though, maybe, running thunderbird-wayland was the solution but
it seems not the case.  What I highlight in a konsole window doesn't show up
in the clipboard on the systray.  So, unable to paste in the email.

Is there a solution for this?

[Mattia Verga]

Il 26/04/21 11:13, Ed Greshko ha scritto:
> I'm testing F34 in a VM trying to accept wayland. I've run into an issue which I hope is
> covered, but can't seem to find a solution.
>
> I want to copy/paste text from a konsole window into an email being written under
> thunderbird.  I though, maybe, running thunderbird-wayland was the solution but
> it seems not the case.  What I highlight in a konsole window doesn't show up
> in the clipboard on the systray.  So, unable to paste in the email.
>
> Is there a solution for this?

I had switched to wayland with F33 and I've seen this very often when
trying to copy text from/to Firefox and Thunderbird. I often have to hit
ctrl-c a second time to have the text copied in the clipboard.

I think it's https://bugs.kde.org/show_bug.cgi?id=424754

Mattia

[Ed Greshko]

On 26/04/2021 17:40, Mattia Verga wrote:
> Il 26/04/21 11:13, Ed Greshko ha scritto:
> > I'm testing F34 in a VM trying to accept wayland. I've run into an issue which I hope is
> > covered, but can't seem to find a solution.
> >
> > I want to copy/paste text from a konsole window into an email being written under
> > thunderbird.  I though, maybe, running thunderbird-wayland was the solution but
> > it seems not the case.  What I highlight in a konsole window doesn't show up
> > in the clipboard on the systray.  So, unable to paste in the email.
> >
> > Is there a solution for this?
>
> I had switched to wayland with F33 and I've seen this very often when
> trying to copy text from/to Firefox and Thunderbird. I often have to hit
> ctrl-c a second time to have the text copied in the clipboard.
>
> I think it's https://bugs.kde.org/show_bug.cgi?id=424754

Thanks.  But copy/paste is working to/from Thunderbird and Firefox. But not between
konsole and thunderbird.  Also, the text highlighted in any app does not appear in
the Clipboard.

[Lukas Ruzicka]

I believe that you do use the CTRL-SHIFT-C when copying from the Konsole
window. Using just CTRL-C does not work there in order not to interfere
with the process killing trigger.
However, when this happens to me, I usually go for this:

1. Highlight what needs to be copied.
2. Right click above it.
3. Choose Copy to clipboard.
4. Paste it elsewhere.

This has always worked for me. If not, I would report a bug.

On Mon, Apr 26, 2021 at 12:08 PM Ed Greshko  wrote:
> On 26/04/2021 17:40, Mattia Verga wrote:
> > Il 26/04/21 11:13, Ed Greshko ha scritto:
> > > I'm testing F34 in a VM trying to accept wayland. I've run into an
>
> issue which I hope is
> > > covered, but can't seem to find a solution.
> > >
> > > I want to copy/paste text from a konsole window into an email being
>
> written under
> > > thunderbird.  I though, maybe, running thunderbird-wayland was the
>
> solution but
> > > it seems not the case.  What I highlight in a konsole window doesn't
>
> show up
> > > in the clipboard on the systray.  So, unable to paste in the email.
> > >
> > > Is there a solution for this?
> >
> > I had switched to wayland with F33 and I've seen this very often when
> > trying to copy text from/to Firefox and Thunderbird. I often have to hit
> > ctrl-c a second time to have the text copied in the clipboard.
> >
> > I think it's https://bugs.kde.org/show_bug.cgi?id=424754
>
> Thanks.  But copy/paste is working to/from Thunderbird and Firefox. But
> not between
> konsole and thunderbird.  Also, the text highlighted in any app does not
> appear in
> the Clipboard.
>
> --
> Remind me to ignore comments which aren't germane to the thread.
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[Ed Greshko]

On 26/04/2021 18:48, Lukas Ruzicka wrote:
> I believe that you do use the CTRL-SHIFT-C when copying from the Konsole window. Using just CTRL-C does not work there in order not to interfere with the process killing trigger.
> However, when this happens to me, I usually go for this:
> Highlight what needs to be copied.
> Right click above it.
> Choose Copy to clipboard.
> Paste it elsewhere.
>
> This has always worked for me. If not, I would report a bug.

OK, this seems to work.  But, it also seems to reveal that there are 2 clip boards in use under
wayland.

Doing what you suggests does put the text in the systray clipboard and then using Ctrl-V
in Thunderbird does past.  But the "paste" key on my trackball pastes text previously highlighted
within Firefox (for example).

It can be confusing to me to have to remember 2 methods depending on what apps I'm using.
Would be nice if this were unified.

[Lukas Ruzicka]

I am using Gnome on Wayland and the classical Linux method using
highlight to copy and middle click to paste works, too, however on my
computer, I am experiencing the following behaviour:

- If I highlight and middle click, things work as expected.
   - If I CTRL-C and CTRL-V (with SHIFT) on console, things work, too
   - If I highlight something to copy it, any CTRL-C pressing will
   overwrite it and both CTRL-V and middle click produce the same result.
   - If I press CTRL-C to copy something, highlighting another piece of
   text will *not *cancel the first clipboard, so I have basically two
   clipboards and I can use CTRL-V to paste one thing and the middle click to
   paste another.

I am not sure, if that is a bug or a feature, but it does not bother me in
any way.

Lukas

On Mon, Apr 26, 2021 at 1:14 PM Ed Greshko  wrote:
> On 26/04/2021 18:48, Lukas Ruzicka wrote:
> > I believe that you do use the CTRL-SHIFT-C when copying from the Konsole
>
> window. Using just CTRL-C does not work there in order not to interfere
> with the process killing trigger.
> > However, when this happens to me, I usually go for this:
> > Highlight what needs to be copied.
> > Right click above it.
> > Choose Copy to clipboard.
> > Paste it elsewhere.
> >
> > This has always worked for me. If not, I would report a bug.
>
> OK, this seems to work.  But, it also seems to reveal that there are 2
> clip boards in use under
> wayland.
>
> Doing what you suggests does put the text in the systray clipboard and
> then using Ctrl-V
> in Thunderbird does past.  But the "paste" key on my trackball pastes text
> previously highlighted
> within Firefox (for example).
>
> It can be confusing to me to have to remember 2 methods depending on what
> apps I'm using.
> Would be nice if this were unified.
>
> --
> Remind me to ignore comments which aren't germane to the thread.
>
> kde mailing list -- [e-mail]
> To unsubscribe send an email to [e-mail]
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[Ed Greshko]

On 26/04/2021 19:50, Lukas Ruzicka wrote:
> I am using Gnome on Wayland and the classical Linux method using
> highlight to copy and middle click to paste works, too, however on my computer, I am experiencing the following behaviour:
> If I highlight and middle click, things work as expected.
> If I CTRL-C and CTRL-V (with SHIFT) on console, things work, too
> If I highlight something to copy it, any CTRL-C pressing will overwrite it and both CTRL-V and middle click produce the same result.
> If I press CTRL-C to copy something, highlighting another piece of text will *not *cancel the first clipboard, so I have basically two clipboards and I can use CTRL-V to paste one thing and the middle click to paste another.
>
> I am not sure, if that is a bug or a feature, but it does not bother me in any way.

Yes, I suppose this old dog will need to learn some new tricks.

[Patrick O'Callaghan]

On Mon, 2021-04-26 at 13:50 +0200, Lukas Ruzicka wrote:
> I am using Gnome on Wayland and the classical Linux method using
> highlight to copy and middle click to paste works, too, however on my
> computer, I am experiencing the following behaviour:
>
> - If I highlight and middle click, things work as expected.
>    - If I CTRL-C and CTRL-V (with SHIFT) on console, things work, too
>    - If I highlight something to copy it, any CTRL-C pressing will
>    overwrite it and both CTRL-V and middle click produce the same
> result.
>    - If I press CTRL-C to copy something, highlighting another piece
> of
>    text will *not *cancel the first clipboard, so I have basically
> two
>    clipboards and I can use CTRL-V to paste one thing and the middle
> click to
>    paste another.
>
> I am not sure, if that is a bug or a feature, but it does not bother
> me
> in
> any way.

This is also the case under X11. It's not a case of having two
clipboards.

AFAIK Ctrl-C/Ctrl-V (and menu equivalents) access the clipboard and may
or may not be supported by each specific app. The highlight and middle
button access the cut buffer, an entirely separate mechanism handled by
the window system which doesn't depend on the particular app.

poc

[Aleksandar Kostadinov]

This is a very windows-like method to copy/paste text and is only useful for occasional users - not for users constantly copying and pasting.

For a long time Linux has this copy by just selecting text (called primary selection) as well regular copy/paste with keyboard or mouse right click. X11 has separate protocols for these.

Also clipboard managers exist since a long time to keep a hstory of your clipboard which is also very useful and is an instrumental feature for me. Honestly I'm baffled how many users work without this.

Now clipboard managers can be configured to put primary selection into history or not. Also they can be configured to sync clipboard and primary selection or not (so that you have something in clipboard and something else in primary selection and paste with middle click or keyboard/right-click).

Lately I tend to prefer syncing primary selection to clipboard due to issues with primary selection in browsers. If not for that, I'd keep them separate.

Anyway, the thing is that Wayland handles clipboard very differently thus window compositor and the clipboard manager need to work hard to keep existing X11 convenient behavior. From the thread it sounds like Gnome got it right already but not KDE unfortunately. Although officially it seems supported and the KDE clipboard manager `klipper` has the right options, they simply don't work for me.

I came to this mailing list to seek help, only to find out the upstream blocker bugs above. I guess I keep choosing X11 on login 2 more years until things are ironed out. I was thinking it is finally possible to migrate to Wayland but it isn't because clipboard is a show-stopper for me. Too bad Fedora switched to Wayland by default for KDE before it is ready.

I also hit other issues with kwallet being broken for me, especially under wayland the gpg dialog appears under other windows, failure to unlock wallet results in freezes, as well touchpad applet can't enable/disable touchpad.

Also kwallet is unable to work with GPG for me. Spills out invalid key or something which is not true as it worked in the past and gpg is working for me. Good that under X11 this is not distracting and I don't really use kwallet anyway.

So for any users that are bugged with strange behavior, I'd suggest to report your bugs to KDE bugzilla and switch to X11 until the next iteraiton.

So thank you for the information.

[Lukas Ruzicka]

So for any users that are bugged with strange behavior, I'd suggest to
> report your bugs to KDE bugzilla and switch to X11 until the next iteraiton.

I would also add that if you feel that such behaviour violates one of these
criteria [1], [2], [3], please propose a Blocker Bug for Fedora 35 [4] and
if
accepted, it will  have to be fixed before the next release.

[1] https://fedoraproject.org/wiki/Basic_Release_Criteria
[2] https://fedoraproject.org/wiki/Fedora_34_Beta_Release_Criteria
[3] https://fedoraproject.org/wiki/Fedora_34_Final_Release_Criteria
[4] https://qa.fedoraproject.org/blockerbugs/propose_bug

Thanks a lot for helping finding bugs.
> So thank you for the information.
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[Armin Wehrfritz]

> I think it's https://bugs.kde.org/show_bug.cgi?id=424754

It very much sounds like that bug. In fact, KDE maintains a list of
"Showstopper bugs"
(https://community.kde.org/Plasma/Wayland_Showstoppers) and this is
one of them.

There are currently three showstoppers which related to copy&paste
issues under Wayland:
https://bugs.kde.org/show_bug.cgi?id=424754
https://bugs.kde.org/show_bug.cgi?id=424649
https://bugs.kde.org/show_bug.cgi?id=434675

I ran into similar issues when trying to copy&paste things from
Firefox or Google Chrome (both use XWayland by default). The solution
for Chrome was to use the Wayland backend following the instructions
in the Arch Linux wiki
(https://wiki.archlinux.org/index.php/Chromium#Native_Wayland_support):
$ google-chrome-stable --enable-features=UseOzonePlatform
--ozone-platform=wayland

I get a feeling that the whole Wayland by default thing in Fedora 34
is not really well tested and has still a lot of rough edges (I have
hit already three of the showstopper bugs listed at the KDE webpage
and switched back to X11 as KDE Wayland is clearly not yet ready for
use in a production environment).

Hope this helps.

Armin

[Patrick O'Callaghan]

On Thu, 2021-04-29 at 16:39 +1000, Armin Wehrfritz wrote:
> I get a feeling that the whole Wayland by default thing in Fedora 34
> is not really well tested and has still a lot of rough edges (I have
> hit already three of the showstopper bugs listed at the KDE webpage
> and switched back to X11 as KDE Wayland is clearly not yet ready for
> use in a production environment).

+1

poc