Sebastian Ramacher [17.02.2014 23:28 +0100]:
> Hi Alfredo,
>
> On 2013-11-28 20:03:05, Alfredo Finelli wrote:
>> After some recent upgrade scrolling does not work correctly for me
>> anymore.
>>
>> I use continuous pages with 5 pixels padding in between and the
>> standard value of scroll-full-overlap (0.1).
>>
>> When in page-fit mode I get the correct behavior: a small document
>> portion from the bottom of the window is still visible at the top
>> after one single full page scrolling (space bar). When, instead, I
>> switch to fit-width mode (keyboard command 's') then I get too much
>> scrolling: the visible part jumps too much forward, so that to be
>> able to see the at the top the last text line I had at the bottom I
>> have to go back with single step scrolling (up-arrow) circa five
>> times. If I zoom in even more then the number of backwards single
>> scrolling steps needed increases proportionally.
>>
>> This bug makes full page scrolling useless because you have to always
>> go back to continue reading.
>>
>> Launching zathura in debug mode ("-l debug" option) does not help to
>> clarify the bug, it only informs about page cache misses or hits.
>> While investigating I ended up reading the change log of girara and I
>> think there is a line that could be related to this problem:
>>
>> girara (0.1.9-1) unstable; urgency=low
>> [...]
>> * debian/patches/fix-gtk3-scroll.patch: Removed, no longer needed.
>> [...]
>
> I'm not sure if we were able to fix the issue completely, but maybe
> you can test zathura 0.2.7-1 and girara 0.2.0-1 that I've uploaded
> today. Please let me know if the issues is still there.
>
> Regards
Hi, thanks for working on this.
I experimented a bit with the new version and observed some improvements.
Full page scrolling now works the same at different zoom levels: you
don't have the excess scrolling increase at deeper zoom like before.
The only problem is that I don't have any overlap, i.e. the last line
visible at the bottom is now the first line NOT visible at the top.
This is what the zathurarc man page says about overlap:
scroll-full-overlap
Defines the proportion of the current viewing area that should
be visible after scrolling a full page.
· Value type: Float
· Default value: 0.1
By default (no configuration) I have no overlap. I can get it only if I
explicitly add the line
set scroll-full-overlap 0.1
to my zathurarc configuration file. Then all is back to normal and
working as expected, also for different values of overlap.
I then experimented with different values of "page-padding" but they did
not have any influence on the scrolling behavior.
I hope this helps. Best regards.
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