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Macbook Pro touchpad two finger click and drag not rotating the viewport

Hello!

I'm having an issue with UE4 and Macbook Pro touchpad: I installed the Unreal Engine and created basic C++ project with starter content, at first everything was fine and functioned as expected, but then out of blue I noticed that when doing a two finger click and dragging inside the viewport - the viewport camera won't rotate as described in the documentation (https://docs.unrealengine.com/en-us/Engine/UI/LevelEditor/Viewports/ViewportControls#magicmouseandmagictrackpad) - instead it pans left, right, up and down - but using magic mouse it functions as expected.

Left clicking/one finger click and drag, on the touchpad, rotates the camera/viewport left and right and move backwards and forwards - but no up or down rotation.

Apparently UE4 for some reason treats touchpad two finger click as LMB + RMB (sees it as both mouse buttons being clicked together)

I have tried to completely remove the Unreal Engine and reinstall it - no luck.

Edit: Sometimes even magic mouse does not work as expected - i.e. right click moves the camera up, down, left and right, but not rotates - but after turning Bluetooth off and on again it works fine.

Device: Macbook Pro 15 (mid 2017) - macOS 10.13.3 Unreal Engine 4.18.3

Any suggestions/help really appreciated. Thank you!

Product Version: UE 4.18
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asked Mar 12 '18 at 06:25 AM in Bug Reports

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jrudaks
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avatar image Jeff A ♦♦ STAFF Mar 12 '18 at 02:36 PM

Hello,

We've recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1410408-unreal-engine-bug-submission-form

Thanks

avatar image jrudaks Mar 13 '18 at 07:06 AM

Thank you - will do!

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