Unity-Technologies / Unity-Technologies/uGUI

EventSystem does not clear m_CurrentInputModule when the active InputModule is disabled, causing Process() to continue executing

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Dominant language
C#
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Description

BaseInputModule.OnDisable() calls m_EventSystem.UpdateModules(), which removes the module from m_SystemInputModules. However, m_CurrentInputModule is a separate reference that is never checked or cleared in this path.I just want to know why.

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with BaseInputModule.OnDisable() and follow m_EventSystem.UpdateModules(), then compare the handling of m_SystemInputModules with m_CurrentInputModule during Process(). Reproduce disabling the active input module and determine the expected behavior; the issue is complete when the cause and desired fix are clearly documented or a focused change is specified.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
game-dev
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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