Grey rectangular appears when moving connection segments

[barmac]

Describe the Bug

A grey rectangular appears when moving connection segments:

Screen.Recording.2023-11-02.at.14.46.55.mov

Steps to Reproduce

1. Create a connection
2. Move segment

Expected Behavior

There should be no funny rectangular when dragging.

Environment

• Browser: [e.g. IE 11, Chrome 69]
• OS: [e.g. Windows 7]
• Library version: v15.0.0

[barmac]

I discovered this while reviewing bpmn-io/dmn-js#800, so it may be either in diagram-js or copied over from bpmn-js to the dmn-js PR.

[smbea]

The removal of the selection line in connections is intentional. The funny rectangular thing is not though

[smbea]

See user stories here: "When selecting a sequence flow, I don't expect any selection outline at all."

[barmac]

Thanks for clarification. Then, we only need to fix the rectangular thing.

[barmac]

I will reword the issue to talk about the rectangular only.

[smbea]

Ok so this is actually unrelated to the selection changes. It comes from this commit, which related to the preview feature. If I comment that out, it works.

I don't exactly know what this is affecting. @philippfromme how can i safely fix this without breaking something else? 😅

[philippfromme]

I will look into this.

[philippfromme]

Same issue when moving bendpoints. Seems affect all other components using djs-dragging.

[philippfromme]

Fixed by #2016.