[okular] [Bug 395150] New: Okular print dialog always resets to

[Sergio]

https://bugs.kde.org/show_bug.cgi?id=395150

Bug ID: 395150
Summary: Okular print dialog always resets to duplex: none
Product: okular
Version: 1.3.3
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Severity: minor
Priority: NOR
Component: printing
Assignee: okular-***@kde.org
Reporter: ***@gmail.com
Target Milestone: ---

After an upgrade to ubuntu bionic and the latest KDE applications distributed
for this platform, I am experiencing an issue with okular.

Whenever I open the okular print dialog the duplex option is preset to none for
all printers, even those where long edge duplex is the default at the system
level. This is an issue that leads to a huge waste of paper whenever one
forgets checking.

I strongly suspect that the issue is with the QT print dialog rather than with
okular, but I am anyway asking here for an informed opinion.

Incidentally, I really think that KDE should move away from the extremely poor
qt print dialog as it was in the past, because from the qt dialog no printer
properties can be controlled (print quality, ink consumption, paper type,
stapling, etc.), which means keeping a non qt pdf reader around for any pdf
print need that requires some control over the printer.

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=395150

Nate Graham <***@kde.org> changed:

What |Removed |Added
----------------------------------------------------------------------------
CC| |***@kde.org
Status|UNCONFIRMED |RESOLVED
URL| |https://bugreports.qt.io/br
| |owse/QTBUG-3567
Resolution|--- |UPSTREAM

--- Comment #1 from Nate Graham <***@kde.org> ---
Yep, it's a Qt issue: https://bugreports.qt.io/browse/QTBUG-3567

I understand and share your frustration with the Qt's subpar print dialog.

However, the real solution here is to improve it so that all clients can
benefit. Diverging from it in the past caused code maintainability issues. When
the upstream code is lousy, we've just gotta do our part to improve it.

[Albert Astals Cid]

https://bugs.kde.org/show_bug.cgi?id=395150

Albert Astals Cid <***@kde.org> changed:

What |Removed |Added
----------------------------------------------------------------------------
CC| |***@kde.org

--- Comment #2 from Albert Astals Cid <***@kde.org> ---
Nate that bug you pointed has nothing to do with what Sergio is describing.

Sergio, which Qt version does Bionic ship?

Because for the stapling etc you want to use Qt 5.11
https://www.kdab.com/better-support-for-cups-features-in-qt-5-11/ which i guess
Ubuntu is not shipping because they always excel at shipping somewhat outdated
stuff.

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=395150

--- Comment #3 from Nate Graham <***@kde.org> ---
(In reply to Albert Astals Cid from comment #2)

Post by Albert Astals Cid
Nate that bug you pointed has nothing to do with what Sergio is describing.

I found https://bugreports.qt.io/browse/QTBUG-5196, which seems to describe
Sergio's issue, and that's marked as a duplicate of the one I mentioned above.
Is this wrong?

Post by Albert Astals Cid
Sergio, which Qt version does Bionic ship?

5.9.5

[Albert Astals Cid]

https://bugs.kde.org/show_bug.cgi?id=395150

--- Comment #4 from Albert Astals Cid <***@kde.org> ---
Note how he says "the duplex option is preset to none for all printers, even
those where long edge duplex is the default at the system level."

That is "Qt print dialog doesn't read default options" it's not "it doesn't
remember options from the last time you opened the dialog".

I suggest you to use something with Qt 5.11 or newer, it should give you a much
nicer print dialog experience, this bug is most probably fixed since I fixed
several issues regarding the default option support.

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=395150

--- Comment #5 from Nate Graham <***@kde.org> ---
Ah, thanks Albert. My mistake.

[Sergio]

https://bugs.kde.org/show_bug.cgi?id=395150

--- Comment #6 from Sergio <***@gmail.com> ---
@ Nate, Albert, thanks for the clarification, I was almost sure that the issue
was on Qt.

And indeed, bionic is stuck at QT 5.9.5. Good to know that at least is a matter
of waiting and that qt 5.11 has a better print dialog!

[Robert Bredereck]

https://bugs.kde.org/show_bug.cgi?id=395150

Robert Bredereck <***@web.de> changed:

What |Removed |Added
----------------------------------------------------------------------------
CC| |***@web.de

--- Comment #7 from Robert Bredereck <***@web.de> ---
I've have played around a bit and backported the patch mentioned in the above
bug report into ubuntu bionic packages. It seems to work fine. You may want to
test it installing "libqt5printsupport5" from my ppa:
https://launchpad.net/~rbredereck/+archive/ubuntu/qtbase-opensource-src-duplexpatch

If people can approve that it works, we can start annoying the ubuntu
maintainers to include the patch into the standard packages.

PS: I know that is is also weakly related to the KDE bug. However, it is highly
relevant to save wasting paper...