[Okular-devel] [Bug 309836] New: AutoScroll resets after scrolling with most other scrolling methods

[Avihay]

https://bugs.kde.org/show_bug.cgi?id=309836

            Bug ID: 309836
          Severity: normal
           Version: 0.15.2
          Priority: NOR
          Assignee: okular-devel at kde.org
           Summary: AutoScroll resets after scrolling with most other
                    scrolling methods
    Classification: Unclassified
                OS: Linux
          Reporter: kde at avihay.baratz.org
          Hardware: Ubuntu Packages
            Status: UNCONFIRMED
         Component: general
           Product: okular

If this is a wish, then I'm sorry for mislabelling as a bug.
when I use autoscroll (shift+arrows), I sometimes get to a part I wish to skip
fast (image, page break etc).
Trying to skip forwards with most other methods resets the autoscroll state and
speed to inactive and 0 respectively, so that autoscroll stops (might very well
be desireable), and hitting autoscroll pause/resume (shift/ctrl) does nothing,
as if you didn't use autoscroll, and to get back, you need to start autoscroll
again (shift+arrows), which is annoying when autoscrolling in any speed other
then 1 (as in pressing shift + arrow only once).

Methods that reset autoscrolling: mouse-drag with the browse tool, page
up/down, arrow up/down, arrow left/right, space/backspace.
Methods that only pause autoscrolling (can be resumed later with shift):
Ctrl+Home, Ctrl+end.
Methods that don't change autoscrolling: Mouse wheel scroll/Axis Z, Previous
and next actions from the toolbar or Go menu, Forward (default
alt+shift+right), Backward (default alt+shift+left)

The only way to skip without resetting the speed to 0, and without lifting a
hand from the keyboard is the forward/back shortcuts, and via the menu, and the
jumps are limited to specific places (beginning of all pages, or places you
scrolled to before), which is undesirable most times.

Please fix any way you see fit, or ask the community.

Points to ponder:
* Should there be horizontal autoscroll?
* Is this issue effecting Okular active?

Reproducible: Always

Steps to Reproduce:
1.Open a document that doesn't fit the whole screen vertically.
2.Start autoscrol going, preferably in a speed higher then one click
3.Use a resetting scroll method (drag with mouse or use arrow keys, or page
up/down or space/backspace)
Actual Results:  
Autoscroll stops and resuming by one key press fails/puts you at speed 1.

Expected Results:  
Either autoscroll continues to scroll from the new point in the document
Or autoscroll stops but pressing shift/control resumes autoscroll at the same
speed it was before

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