[okular] [Bug 432007] Okular: No scrolling with non-continuous view

[David]

https://bugs.kde.org/show_bug.cgi?id=432007

--- Comment #2 from David <david.cortes.rivera at gmail.com> ---
(In reply to David Hurka from comment #1)
> I think it should be this way. The scrollbar is part of the
> QAbstractScrollArea, and Okular just places pages in the viewport of
> QAbstractScrollArea. In non-continuous mode, the viewport contains only one
> page. If that page fits on the screen, the scrollbar can not scroll
> anything, so Qt hides it.
> 
> If Okular shows another scrollbar in that case, that would visually imply
> the viewport is scrollable, which is not the case. That would be a weird
> user interface.
> 
> I don’t think we need another way to show the current position in the
> current document. We already have the page par/widget, and the thumbnails
> bar. The page widget is scrollable with the mouse wheel.

But you know, every other non-QT PDF viewer shows a document-level scroller
when browsing page-by-page with no zoom.

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