LMMS / LMMS/lmms

Midi input switching between tracks issue

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bug master branch performance windows
Dominant language
C++
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Description

System Information

win10 64bit , MidiPlus X4 III

LMMS Version(s)

1.3.0 alpha1.713 +gb8b1dae40

Most Recent Working Version

No response

Bug Summary

When Click the new track , the switching did not work for the first time , I need wait for a second then click the new track again.

Expected Behaviour

Just one click ,not twice

Steps To Reproduce

See the video for details

https://github.com/user-attachments/assets/21f0f04e-806b-4179-96d1-9eb7cc6872f9

Logs
Click to expand
  
Screenshots / Minimum Reproducible Project

No response

Please search the issue tracker for existing bug reports before submitting your own.
  • I have searched all existing issues and confirmed that this is not a duplicate.

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  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

No source files, tests, or entry points are named. Reproduce the issue on Windows 10 with the MidiPlus X4 III using the linked video as a guide, then trace track selection and MIDI input switching; done means a new track activates on the first click without waiting or clicking again.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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