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Fullscreen 21:9 aspect ratio offsets mouse cursor from UMG

When applying a 21:9 resolution in fullscreen, UMG buttons and mouse position will no longer match up. This makes it very difficult to interact with UMG elements

alt text

Steps to reproduce:

  • Make simple UMG elements that lets you apply resolution using "Get Game User Setting"

  • Start game either as packaged or "Standalone Game" in editor.

  • On a normal 1920x1080 monitor, apply a 1280x540 resolution in fullscreen.

  • When in fullscreen mode, hover over buttons or interact with them, the cursor trigger area has been offset.

Other resolutions like 1280x600 works fine, but when going down step by step to 1280x580, 1280x560 and so on, the hitbox area gets more and more shifted in fullscreen mode.

It also offsets on 1280x620, x640 and x660. But 1280x680 works fine. (On a 1920x1080 monitor)

Windowed modes works fine.

Some monitors appears on the market now with 21:9 2560x1080 resolution. Trying that resolution on a 4k screen, the widget hitboxes offset way out up to the right.

I do not have an actual 21:9 monitor to test on. (I was given this bug by a marketplace customer)

I have attached a sample project with a simple UMG to change resolution. link text

Product Version: UE 4.19
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asked Mar 25 '18 at 10:29 PM in Bug Reports

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avatar image mnikonov Mar 26 '18 at 05:22 PM

I see the same problem on my project. Engine version 4.19, MacOS High Sierra, MacBook Pro (13", 2017).

avatar image Jeff A ♦♦ STAFF Mar 26 '18 at 06:48 PM


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.



avatar image Scraphead Mar 26 '18 at 09:42 PM

Done, submitted it there.

avatar image Taurian Mar 27 '18 at 08:12 PM

I have the same exact problem. How are we notified if it's resolved? Is there UE link?

avatar image azdcheck Apr 30 '18 at 07:09 AM

I also have the same problem

avatar image Taurian May 15 '18 at 01:27 AM

Was there ever an update from Epic regarding this problem?

avatar image jonsnow987 May 25 '18 at 11:27 AM

Same here. Map starts scrolling to the left when I enter the game. I can't seem to control the cursor either. Right now the game is pretty much unplayable. I've tried monkeying with the settings, but haven't found any solution as of yet. If anyone knows how to solve the problem, I'd like to hear from you. :) Free Movie Sites l Pirate Proxy Sites

avatar image Oxford Tricks Jul 30 '18 at 01:28 PM

I have same issues with. map starts scrolling to the left when I enter to the game. kiss cartoon It's just disgusting and irritating. steven universe online Were there any updates from Epic for this issues?

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I have the same exact problem. How are we notified if it's resolved? Is there UE link?

G | U | I | D | E | S

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answered Jan 13 '19 at 04:15 AM

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