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[4.16] Navigating ComboBox using keyboard/gamepad is not working


when creating a ComboBox in UMG, opening the and selection the options works fine when using the mouse. However, trying to do the same in keyboard/gamepad (using Xbox 360 controller) is not working.

The selections opens when you press the combo box BUT you can't navigate any of the options as the highlighted option does not move.

Also, if you open the combobox with a mouse and navigate with a keyboard you can move highlighted option but when you select one of the them, it doesn't choose the new option.

The only thing works is when you open the combobox and using PageUp and PageDn button but it only chooses the first and last selections.

Steps to Reproduce.

1- Create a project.

2- Create a widget blueprint.

3- Add a ComboBox inside the widget.

4- Add a few default options inside the combobox.

5- Add widget to viewport while game paused and game mode set to Game and UI.

6- Try to navigate ComboBox using keyboard/gamepad.

Product Version: UE 4.16
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asked May 25 '17 at 02:03 AM in Bug Reports

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avatar image raphernet May 31 '17 at 02:48 PM

I am seeing this behavior as well using the repro steps listed above.

It is worth noting that the navigation of the combo box items using the keyboard and gamepad does seem to work when the combo box is first expanded with the mouse. However, if it is expanded using the keyboard or gamepad, navigation of the individual items does not function as described above.

avatar image ellocator Feb 07 '18 at 02:24 PM

gamepad does seem to work when the combo box is first expanded with the mouse.

In this case only the navigation works, but you still can't select any element. (It just move the highlight without consequences)

avatar image cbidal Jul 05 '17 at 02:43 PM

Hi, We are encountering the same issue which is an enormous blocking situation for us. I cannot find any code modification from 4.15 version which may created an issue... Have you found any workaround?

avatar image Hassunami Aug 05 '17 at 04:08 PM

I haven't looked for a workaround unfortunately. I thought i would wait for a new version with a fix since i upgraded my project to 4.16 recently. Also, from the report submitted the fix would probably come with version 4.18

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Hello Hassunami,

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

Link: https://issues.unrealengine.com/issue/UE-45558

Make it a great day

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answered May 31 '17 at 07:17 PM

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Rudy Q ♦♦ STAFF
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avatar image cbidal Feb 08 '18 at 04:47 PM

Target Fix 4.20?! Okay... so no combo box for our game.

avatar image mightyenigma Feb 08 '18 at 11:26 PM

Everything's better at 4.20 :P j/k

avatar image Hassunami Oct 20 '18 at 06:59 AM

Hello, I just want to post an update.

As of version 4.20, the problem is mostly fixed. I can navigate using gamepad and keyboard normally. There is however a slight issue which is no big deal.

The first time you open the combo box it will focus on the first option ( sometimes it won't be highlighted to the option itself). However, closing the combo box and opening it again will correct itself so it's not big deal.

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