[Differential] [Request, 53 lines] D4360: Revamp (Activity) Pager wheel handling

[Eike Hein]

hein created this revision.
hein added a reviewer: Plasma.
hein added a subscriber: plasma-devel.
Restricted Application added a project: Plasma.

REVISION SUMMARY
  Fixes the mouse wheel not working to switch activities by
  refactoring the code so currentPage() always behaves the
  same and accounting for virt desktops starting at 1 only
  where it actually counts, then fixing an off-by-one along
  the way.
  BUG:375769
  
  Also introduces the wheel event handling logic used in
  Task Manager and many other UIs to avoid reacting overly
  sensitively to gesture scroll events from trackpads.

REPOSITORY
  R119 Plasma Desktop

BRANCH
  Plasma/5.8

REVISION DETAIL
  https://phabricator.kde.org/D4360

AFFECTED FILES
  applets/pager/package/contents/ui/main.qml
  applets/pager/plugin/pagermodel.cpp
  applets/pager/plugin/pagermodel.h

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: hein, #plasma
Cc: plasma-devel, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas
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