Unreal Engine Issues

UE-31338

Changing default click trace channel in player controller causes widget to not register the mouse

Changing default click trace channel in player controller causes widget to not register the mouse

Developer Notes

This issue has been closed as 'Won't Fix' due to an extended period of time without updates. If this issue is important to you please let us know by posting on the AnswerHub or UDN, and Epic will re-open the ticket for further review.

Questions & Answers
Description

When the default click trace channel is set to something other than ECC_Visibilty, the editor does not take the change into account when determining which channel is being blocked.

Download link for project:
[Link Removed]

Steps to Reproduce
  1. Download / Open project linked in description
  2. PIE and mouse over/click the button on screen
    • Note that "Button Hovered" and "Button Clicked" appear on screen
  3. Exit PIE and open FirstPersonCharacter BP
  4. Select CapsuleComponent
  5. In Collision section of the Details panel, open Collision Preset dropdown
  6. Set Trace Responses->Visibility to Block
  7. Repeat Step 2

Result:
Mouse over / click events are no longer registered even though default click channel is set to UI

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Won't Fix
ComponentUE - Editor - UI Systems
Affects Versions4.11.2, 4.12
CreatedMay 26, 2016
ResolvedJan 6, 2017
UpdatedApr 27, 2018