https://bugs.kde.org/show_bug.cgi?id=343910
Ryan <r...@interoctiv.com> changed:
What |Removed |Added
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CC| |r...@interoctiv.com
--- Comment #4 from Ryan <r...@interoctiv.com> ---
Continuous horizontal scrolling is an important feature for me. It is available
in PDF-XChange, which I pay for and use mainly because of this feature.
However, PDF-XChange is a commercial application for Windows only.
My primary use case is reading and adding annotations to scientific journal
articles. Typically, these have a two-column layout that makes vertical
scrolling awkward. In contrast, continuous horizontal scrolling:
- always places related columns adjacent to each other;
- allows use of the full horizontal space of a wide screen, making it easier,
for instance, to view a graph or table on one page while referring to related
text on another page;
- provides the flexibility to view even-odd page-pairs (with the even-numbered
page on the left); and
- the reading experience is more natural than vertical scrolling (for material
that represents printed media), because left/right scrolling moves in the same
direction as a physical page-turn.
In PDF-XChange, rolling the mouse wheel up/down scrolls left/right (or
right/left) if the page view is zoomed to page height or less. When the zoom is
greater than full page height, the wheel changes to up/down scrolling.
Left/right scrolling is still possible with a tilting mouse wheel or using the
grabber (pan tool).
Continuous horizontal scrolling is remarkably useful, yet not found in any
other PDF application, to my knowledge, other than PDF-XChange. It would be
great to see this added to Okular.
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