[Okular-devel] [Bug 191343] Okular "Next Page" and "Previous page" buttons function erratically - pages not redrawn

[sphakka]

https://bugs.kde.org/show_bug.cgi?id=191343





--- Comment #9 from sphakka <marcoep gmail com>  2011-12-27 22:18:29 ---
Hi,

(In reply to comment #7)
> I'm unable to reproduce on Okular 0.13.3, KDE 4.7.3. I'm using continuous mode,
> and hitting any of Previous/Next or Pg-Up/Pg-Down works fine. 
> 
> If you are still having the issue, please post here and provide an example PDF.

You also need to enable "Trim Margins" Try this, f.i.:
<http://ctan.mirrorcatalogs.com/obsolete/macros/latex/contrib/subfigure/subfigure.pdf>

Now with Okular 0.13.3, KDE 4.7.3, PgDown misses almost always one hit out of
two (~50%), so worse than before though more predictable. The same now happens
with PgUp. Steps to reproduce:

0) open the document (it should start at its first page);
1) hit PgDown repeatedly and slowly enough to see the artifact: the first or
second hit makes the page flicker (no scroll), a subsequent one scrolls down
correcly;
2) now go back with "Ctrl+Home" and start over again scrolling down with
PgDown: no problem until you get to the last visited page, then it'll flicker
again one PgDown hit out two.

The same happens with PgUp if you start from the bottom by hitting "Ctrl+End",
then scroll up. Anyways, if the *whole* document is visited in either
directions, Okular will scroll perfectly from then on.

Cheers,

  ^s

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