LMMS / LMMS/lmms

Fix/Improve PianoRoll Knife Tool UI

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good first issue gui
Dominant language
C++
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Description

Currently the knife tool in the piano roll is hidden behind the tool menu, when it probably should reside along with the other modes buttons, such as draw/erase/select/pitch bending.

Also, it would probably be good to add a `TextFloat` which appears when the user enters the knife mode giving some simple tips/instructions, particularly that you can use `Shift` to automatically remove the cut ends of the notes.

I am mostly just making this issue as a reminder for me to come back and fix these things, but if anyone wants to tackle these, feel free!

Contributor guide

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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 in the piano roll UI and trace the existing knife tool in the tool menu alongside the draw, erase, select, and pitch-bending mode buttons. Identify how mode-specific TextFloat messages are implemented, then verify that knife mode is accessible with the other modes and that its Shift instruction appears correctly.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
design, desktop
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
48/100

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