LMMS / LMMS/lmms

Piano roll : unexpected snap to grid behavior

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#4,350 2 comments 0 reactions 0 assignees View on GitHub

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bug
Dominant language
C++
Stars
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Forks
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Avg merge
2d 13h
Merged PRs (30d)
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Description

When changing the grid from 1/16 to 1/12 (for example) and dragging a note , the note does not snap to the grid lines.

Recipe:
1) draw some notes with grid set to 1/16
2) change grid to 1/12
3) try dragging a note to a 1/12 grid line

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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

Start by reproducing the piano-roll recipe: change the grid from 1/16 to 1/12 and drag an existing note to a grid line. Trace the note-dragging and grid-snapping behavior in the piano-roll UI. Done means notes snap correctly to 1/12 grid lines after the grid changes.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
desktop
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
52/100

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