Scrolling with the Pg Up/Dn buttons doesn't allow you to read all the lines in a "page"

Bug #1587127 reported by Regular User
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
qpdfview
Triaged
Wishlist
Unassigned

Bug Description

Great pdf reader and I don't know how is it that I found about it now after years of being a Linux user but sadly it has one major flaw. Navigating with the Pg Up/Dn buttons doesn't let you read all the lines in a "page". The last line at the bottom or top (depending on if you're using the Pg Dn or Up respectively) in a page isn't shown neither on the current page or the next (the scroll bars probably have something to do with it). If you review all the major implementations of the page down button (for example) you'll see that it still leaves one or two lines of the previous "page" at the top of the current one and this is done for two reasons: 1) so you know exactly where you left and can be oriented easily and 2) so you can read any line cut off at the bottom/top of the previous "page". In Firefox in particular you can see that they perform some kind a calculation taking into account the size of the content view (minus all the bars, like the scrolling bar) of the previous page. You add this and it would be pretty much perfect. I looked over the settings but didn't see anything related to this.

Changed in qpdfview:
importance: Undecided → Critical
importance: Critical → Wishlist
status: New → Triaged
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