[Libreoffice-bugs] [Bug 123410] Paste doesn't work inside Writer

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=123410

John L. ten Wolde <johnltw at telus.net> changed:

           What    |Removed                     |Added
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                 CC|                            |johnltw at telus.net

--- Comment #3 from John L. ten Wolde <johnltw at telus.net> ---
I'm also on Linux x86_64 and gave this a quick go. Yep I *can* confirm what
Marcel is experiencing. Sort of. The issue appears weirdly inconsistent for me
and it's likely Qt5 VCL plugin dependant.

I'm on Mageia 6 using KDE Frameworks 5.42.0 (Qt 5.9.4). I tried copying the
text from this bug report into Writer from Firefox (60.5.0 ESR) as well as some
gibberish I typed into KWrite (KDE's notepad app).

Day-to-day I still run LO with VCL set to the old GTK2 plugin. Also, I still
normally run with OpenGL disabled. Under these conditions (VCLPLUGIN=gtk;
OpenGL disabled) I cannot reproduce Marcel's issue. However, if I switch to Qt5
what he's reporting does manifest itself for me.

With VCLPLUGIN=qt5 active (OpenGL enabled or not doesn't seem to matter),
Writer struggles to insert large blocks from the clipboard buffer. I say
"struggles" because if I press CTRL+V just once nothing happens. If I press it
again and again: nothing. But if I hammer CTRL+V a dozen or so times the buffer
*will* eventually suddenly puke out onto the screen. Otherwise, if I instead
right-click with my mouse and select "Paste" from the context menu, the buffer
seems to insert on the first try, every try, without issue. Single words appear
to paste fine either way using the keyboard shortcut or context menu.

@Xisco: From what I witnessed in my experimentation above, bug 120625 strikes
me as a different animal.

@Marcel: Which Linux distro are you on and what desktop environment are you
using? In LO, which VCL are you running? The answer to that last question is
located under Help -> About LibreOffice. I'm betting you're set to Qt5.

Also try this: with LO shut down, open a terminal window and copy-paste the
following command line:

libreoffice6.2 --writer -env:SAL_USE_VCLPLUGIN=

Your options after the '=' are:
    'gen'  (Generic X Windows);

    'gtk'  (GTK2 -- this one causes *me* the fewest headaches over all);

    'gtk3' (GTK3 obviously);

    'kde4' (with OpenGL active gives me screen corruption -- use at your own
risk!);

    'kde5' (this one is new for 6.2.x -- I understand it to be a GTK3/Qt5
hybrid[?]);

    'qt5'  (also new with 6.2.x -- *should* be ideal for KDE Plasma 5 users);

Try them with and without OpenGL active (Tools -> Options -> LibreOffice :
View) and report back your findings. Unless you're actually using KDE you can
probably skip 'kde4' and 'kde5'. I could only reproduce your bug with the Qt5
plugin.

Hope this helps. Note that I'm not a developer; only a fellow user with his own
issues (see bug 123285 and please confirm if you've got it too).

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