[okular] [Bug 421780] Most ways of scrolling a document not working (Qt 5.15)

[David Hurka]

https://bugs.kde.org/show_bug.cgi?id=421780

--- Comment #20 from David Hurka <david.hurka at mailbox.org> ---
Thanks! No fails related to QScroller visible. But what’s with “parttest”?
ctest didn’t run it, or cmake didn’t compile it?

Maybe we can try to look at internal values of QScroller. You will need to
install debugging symbols for (at least) Qt5 and Okular. On ubuntu, they are
called: libqt5core5a-dbgsym, libqt5gui5-dbgsym, libqt5widgets5-dbgsym,
okular-dbgsym. I don’t know how Gentoo works, possible that you don’t need
them.

Then run:
> $ gdb okular
> (gdb) set pagination off
> (gdb) run
> no open a document in Okular and reproduce the bug
> ^C (hit Ctrl+C)
> (gdb) breakpoint QScroller::scrollTo
> (gdb) continue
> now reproduce the bug
> (gdb) print -pretty on -- *this->d_ptr

I will look later at QScroller to see what these values mean. ;)

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