Bug 569170 - [macOS] Tree expand/contract animation does not work if the Tree uses a CellEditor
Summary: [macOS] Tree expand/contract animation does not work if the Tree uses a CellE...
Status: NEW
Alias: None
Product: Platform
Classification: Eclipse Project
Component: SWT (show other bugs)
Version: 4.18   Edit
Hardware: Macintosh Mac OS X
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Platform-SWT-Inbox CLA
QA Contact:
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Reported: 2020-11-25 07:22 EST by Phil Beauvoir CLA
Modified: 2020-11-25 07:22 EST (History)
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Snippet (3.66 KB, application/octet-stream)
2020-11-25 07:22 EST, Phil Beauvoir CLA 		no flags Details
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Description Phil Beauvoir CLA 2020-11-25 07:22:26 EST 
Created attachment 284885 [details]
Snippet

This is specific to macOS (all versions).

Normally, on macOS, expanding and contracting a Tree node has an animation so that the child nodes slide smoothly up and down. This can be seen in Eclipse in the Package Explorer.

However, if the SWT Tree has cell editing support this animation does not happen.

Attached is a modified Snippet to show the problem.

If line 76 is commented out (setEditor(v);) then the animation is present.

I know this is a minor thing but I thought I'd report it in case it's indicates some other issue.