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Unreal Engine UI does not respect windows cursor speed


this is my first time trying out Unreal Engine and I've already managed to discover a quite severe bug. When I opened a blueprint and tried to pan, the panning speed felt absolutely out of control. I am using quite high DPI mouse, so I am reducing mouse speed in windows mouse control panel. It seems that Unreal Engine absolutely ignores this setting, and uses hardware input of the mouse. While that is appropriate for in-game input, it is borderline unacceptable for user interface input.

Here's a video showcasing the issue in detail: https://www.youtube.com/watch?v=uVaIXY2N6oU

Product Version: UE 4.13
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asked Nov 14 '16 at 03:37 PM in Bug Reports

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2 answers: sort voted first

Hello Rawalanche,

I was able to reproduce this on our end. I have written up a report and I have submitted it to the developers for further considerations. I have also provided a link to the public tracker. Please feel free to use the link provided for future updates. Thank you for you time and information.

Link: https://issues.unrealengine.com/issue/UE-38571

Make it a great day

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answered Nov 14 '16 at 04:41 PM

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Rudy Q ♦♦ STAFF
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avatar image Feureau Feb 18 '17 at 01:49 AM

Any news on this bug btw?

avatar image Rawalanche Feb 21 '17 at 02:56 PM

The issue was marked as "by design" in the bug tracker, so it looks like developers see nothing wrong with the behavior. This shows very concerning apathy of developers towards the quality of their product. Very disappointing.

avatar image Feureau Apr 04 '17 at 10:19 PM

Is there a way to re-open the issue or open a new bug report for it? Pretty sure "by design" is a bug in this case.

avatar image Flyynn_ Jun 29 '19 at 06:21 AM

"by design" is pretty much them saying "we are too lazy to fix it cuz ur the only one reporting it"

avatar image Flyynn_ Jun 29 '19 at 06:14 AM

i have this problem too as soon as i changed my mouse i realized that my normal mouse speed doesn't match with the drag speed in the node editor, graph editor, content browser, etc i also believe that its because ue4 doesn't use raw input on the mouse a simple solution would be them adding a ui.SensitivityMultiplier (x) in the ue4 console. how hard is that and im also positive that many people have this problem but they don't write a report about it because not every one has a huge difference between the normal and pan sensitivity because we have different mouses

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the only solution i can think of is that u could use a scripting program like AutoHotKey and use it to slow down the sensitivity when you hold down the right click (button you use to pan)


you could set the windows sensitivity to the same sensitivity of the panning and use an external software to slow it down I think that might work im not sure but make sure that the external software doesn't use the actual windows sensitivity multiplier value to change the sensitivity

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answered Jun 29 '19 at 06:18 AM

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