Review Request 126242: KCoreAddons: Add WheelArea

[David Rosca]

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https://git.reviewboard.kde.org/r/126242/
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Review request for KDE Frameworks.


Repository: kdeclarative


Description
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Our QML code in various places is using custom handling for wheel events with high resolution touchpads, but this code varies in details (eg. doesn't reset wheelDelta on changing direction or using completely different logic).
This adds a WheelArea that takes care of computing delta in consistent manner and offers signals for scroll steps (up, down, left, right).

This code is a merge of wheel handling code from batteryapplet and plasma-pa + it adds handling of scrolling to both directions.


Diffs
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  src/qmlcontrols/kcoreaddons/qmldir 626f8ce 
  src/qmlcontrols/kcoreaddons/CMakeLists.txt 3f77f2d 
  src/qmlcontrols/kcoreaddons/WheelArea.qml PRE-CREATION 

Diff: https://git.reviewboard.kde.org/r/126242/diff/


Testing
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Works fine with both classic mouse wheel scrolling and high resolution scrolling (from trackpoint).

I'm not sure if KCoreAddons is the correct place.


Thanks,

David Rosca

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