https://bugs.kde.org/show_bug.cgi?id=297853

Henrik Fehlauer <rk...@lab12.net> changed:

           What    |Removed                     |Added
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                 CC|                            |rk...@lab12.net

--- Comment #8 from Henrik Fehlauer <rk...@lab12.net> ---
It's still an issue for me using a mouse wheel. Basically, Gwenview's Browse
mode (aka thumbnail view) uses the number of lines assigned to a scroll tick in
your mouse config in "systemsettings", which is 3 by default. In case you have
large thumbnails or just a small window height, this can mean a single scroll
can be equivalent to a PageDown press (it's capped to never skip rows,
luckily).

I'm a bit unhappy in general with how jumpy scrolling works with a mouse wheel
in Gwenview and also in Dolphin (it's better with a touchpad supporting
pixel-perfect smooth scrolling, I guess). Items jump around too much, so I
never really know where the items I was looking at are located afterwards. In
Firefox, smooth scrolling, the scrolling distance and scrolling acceleration
work much better (I tweaked it a bit in about:config, though), which displays
both text and larger graphical elements.

I wonder if we should just hardcode the scrolling distance to 1 row (+ a small
offset) or provide a config option? (Firefox-like scrolling is probably
out-of-scope here.) On the other hand, scrolling should not get too slow for
directories with an enormous amount of images. Maybe we could base it on a
fixed percentage of the viewport height? (I did not try the attached patch yet,
maybe it helps already.)

Nate: Thoughts? Please reopen if you can confirm.

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