[Marble-bugs] [marble] [Bug 358094] Regression; Scroll-zoom with touchpads broken in Marble v15.12

[Stefan Bauer via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=358094

--- Comment #2 from Stefan Bauer <stefan-a-bauer at gmx.net> ---
(In reply to Dennis Nienhüser from comment #1)
> Can you please check if
> https://quickgit.kde.org/?p=marble.git&a=commit&h=1b4da07 causes the problem?

You nailed it, this commit introduces the problem.

While testing I identified some prerequisites that have to be met in order to
trigger the issue:
- Touchpad is used (X.org synaptics in my case). Using a mouse with indexed
scroll wheel does not trigger the problem.
- Only certain maps trigger the issue: OpenCycleMap, Plain Map, Satellite View
and some more work, OSM Hike&Bike Map and OpenStreetMap don't. I guess this is
related to whether these maps are "discrete" or not.

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