Re: Gnome on F31: X and Wayland clipboard weirdness(es)/regressions

[Ankur Sinha]

On Fri, Oct 04, 2019 13:10:19 +0200, Kamil Paral wrote:
> On Fri, Oct 4, 2019 at 12:50 PM Lukas Ruzicka  wrote:
> 
> Both have been rejected as blockers due to being too "edge case". But
> pasting into QT applications seems sufficiently broad to be 
> considering
> as blocking, I think. So if your problems are not related to those two
> issues (e.g. have a VM running), please file new bugs and feel free to
> propose them as blockers (or at least mark them as CommonBugs).
> 
> 
> I am not sure you would be able to block on this, since no QT applications
> are in standard Workstation installation. As far as I have seen, there is 
> a
> tendency not to block on additional software.
> 
> 
> It would be of course up to debate. I'm just saying it's a good topic for
> debate.

+1, if not blockers, they should be listed in CommonBugs at least. I've
filed two issues, and proposed one as a blocker now:

https://bugzilla.redhat.com/show_bug.cgi?id=1758865
https://bugzilla.redhat.com/show_bug.cgi?id=1758873

-- 
Thanks,
Regards,
Ankur Sinha "FranciscoD" (He / Him / His) | 
https://fedoraproject.org/wiki/User:Ankursinha
Time zone: Europe/London


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Re: Gnome on F31: X and Wayland clipboard weirdness(es)/regressions

[Lukas Ruzicka]

>
>
> It would be of course up to debate. I'm just saying it's a good topic for
> debate.
>
>
Sure, I will buy popcorn and coke :D


-- 

Lukáš Růžička

FEDORA QE, RHCE

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lruzi...@redhat.com
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Re: Gnome on F31: X and Wayland clipboard weirdness(es)/regressions

[Kamil Paral]

On Fri, Oct 4, 2019 at 12:50 PM Lukas Ruzicka  wrote:

>
>
> Both have been rejected as blockers due to being too "edge case". But
>> pasting into QT applications seems sufficiently broad to be considering as
>> blocking, I think. So if your problems are not related to those two issues
>> (e.g. have a VM running), please file new bugs and feel free to propose
>> them as blockers (or at least mark them as CommonBugs).
>>
>
> I am not sure you would be able to block on this, since no QT applications
> are in standard Workstation installation. As far as I have seen, there is a
> tendency not to block on additional software.
>

It would be of course up to debate. I'm just saying it's a good topic for
debate.
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Re: Gnome on F31: X and Wayland clipboard weirdness(es)/regressions

[Lukas Ruzicka]

Both have been rejected as blockers due to being too "edge case". But
> pasting into QT applications seems sufficiently broad to be considering as
> blocking, I think. So if your problems are not related to those two issues
> (e.g. have a VM running), please file new bugs and feel free to propose
> them as blockers (or at least mark them as CommonBugs).
>

I am not sure you would be able to block on this, since no QT applications
are in standard Workstation installation. As far as I have seen, there is a
tendency not to block on additional software.


-- 

Lukáš Růžička

FEDORA QE, RHCE

Red Hat



Purkyňova 115

612 45 Brno - Královo Pole

lruzi...@redhat.com
TRIED AND PERSONALLY TESTED, ERGO TRUSTED. 
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Re: Gnome on F31: X and Wayland clipboard weirdness(es)/regressions

[Kamil Paral]

On Thu, Oct 3, 2019 at 3:30 PM Ankur Sinha  wrote:

> Hello,
>
> I ran into an issues with copy/pasting on F31 with the new Gnome 3.34.
> Are these known, or are they expected and if not where should one file
> bugs please?
>
> gnome-shell-3.34.0-3.fc31.x86_64
>
>
> --- Issue 1 
>
> X clipboards cleared when applications closed
>
> Steps to reproduce:
>
> 1. Run gnome with Wayland
> 2. Install xsel and wl-clip to investigate the X and Wayland clipboard
> contents respectively
> 3. Open Gedit and write some text
> 4. Open a terminal (tile them both for ease)
> 5. In gedit copy the text: highlight and right click > copy
> 5. In the terminal, run the following commands:
> 5a. xsel -o (PRIMARY X selection buffer)
> 5b. xsel -o -b (CLIPBOARD X selection buffer)
> 5c. wl-paste (wayland selection buffer)
> 6. Then, close gedit, and re-run these commands.
>
> When gedit is running, the copied text is available to the X and wayland
> clipboards---all commands will show it.
>
> When gedit is closed, the `xsel` commands no longer show any results.
> The contents of the clipboards have been cleared. wl-paste still pastes
> the expected output.
>
> Is this expected behaviour?
>
>
>  Issue 2: cannot yank (copy) from gvim into Qt applications running on
> Gnome 
>
> Note that in the above, we used Gedit which I assume runs on wayland and
> accesses the required wayland clipboard properly.
>
> In the second scenario, if one copies anything from Gvim, it is
> available to the respective X clipboard, and the Wayland clipboard, but
> Qt applications running in Gnome cannot access any of this.
>
> Steps to reproduce:
>
> 1. Run gnome with wayland
> 2. Install xsel and wl-clip to investigate the X and Wayland clipboard
> contents respectively
> 3. Install qutebrowser and/or falkon
> 4. Open a terminal, open qutebrowser and falkon
> 5. Run a new Gvim instance: gvim -u NONE (ensures that no vimrc files are
> read)
> 6. Write two lines of text in Gvim (press i to enter insert mode, write a
> line, hit enter, write another line, press ctrl c to exit insert mode)
> 7. Copy the first line into the X CLIPBOARD selection buffer: go to the
> start of the line, press v to enter visual mode, go to the end of the line
> to highlight it; press "+y to yank to the + register (X CLIPBOARD selection)
> 8. In a terminal, check if this is available:
> 8a. wl-paste: shows copied text
> 8b. xsel -o -b: shows copied text
> 9. Try pasting in falkon or qutebrowser: ctrl v or right click > paste
> (greyed out): nothing shown.
> 10. Copy the second line into the X PRIMARY selection buffer: go to the
> start of the line, press v to enter visual mode, go to the end of the line
> to highlight it; press "*y to yank to the * register (X PRIMARY selection)
> 10a. wl-paste: still shows first line
> 10b. xsel -o -b: shows first line (as expected)
> 10c. xsel -o -p: shows second line (as expected)
> 11. Try pasting in falkon or qutebrowser: ctrl v or right click > paste
> (greyed out): nothing shown.
> 12. Open gedit, write something, copy it, try pasting in Falkon
> 12a. Irrespective of whether gedit remains open or not, the text is
> available the first time I try to paste it, and not any longer.
> 12b. On qutebrowser, though, this remains available, so this is a falkon
> thing/feature
> 12c. wl-paste continues to show this value as many times as you run it.
> 13. Since the x selections are cleared when gedit is closed (issue 1), vim
> cannot access the copied text at all using either the + or * registers
> later.
>
> So:
> - the wayland buffer is synced with the X CLIPBOARD buffer, which is
>  fine: https://wiki.gnome.org/Initiatives/Wayland/PrimarySelection
> - but none of this is available to Qt applications running in Gnome if
>  if it originates from X buffers?
>


Hi, so far I'm aware of these two clipboard-related issues:
https://bugzilla.redhat.com/show_bug.cgi?id=1751646
https://bugzilla.redhat.com/show_bug.cgi?id=1755038

Both have been rejected as blockers due to being too "edge case". But
pasting into QT applications seems sufficiently broad to be considering as
blocking, I think. So if your problems are not related to those two issues
(e.g. have a VM running), please file new bugs and feel free to propose
them as blockers (or at least mark them as CommonBugs).

I have learned that mutter now contains a clipboard manager, that should
keep clipboard contents even after an application is closed (that wasn't
the case before). But I don't know which exact cases it should cover (X11,
Wayland, Wayland<->XWayland). Hopefully some people here from the desktop
list can clarify.
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