Bug 571359 - [macOS] Big Sur: Paint listener of invisible controls is invoked
Summary: [macOS] Big Sur: Paint listener of invisible controls is invoked
Status: NEW
Alias: None
Product: Platform
Classification: Eclipse Project
Component: SWT (show other bugs)
Version: 4.19   Edit
Hardware: PC Mac OS X
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Platform-SWT-Inbox CLA
QA Contact:
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Reported: 2021-02-19 07:25 EST by Thomas Singer CLA
Modified: 2021-02-19 07:31 EST (History)
1 user (show)

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Attachments
Snippet to reproduce (897 bytes, text/plain)
2021-02-19 07:26 EST, Thomas Singer CLA 		no flags Details
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Description Thomas Singer CLA 2021-02-19 07:25:32 EST 
which might cause problems for applications
Comment 1 Thomas Singer CLA 2021-02-19 07:26:05 EST 
Created attachment 285608 [details]
Snippet to reproduce
Comment 2 Thomas Singer CLA 2021-02-19 07:31:18 EST 
The attached snippet contains 2 StyledText controls inside a StackLayout, only the first one is visible. I've added a paint listener to both and just print the StyledText index for which the paint event is received.

On Window, in the console only

0

is printed, on MacOS 10.14

0
0
0
0
...


On MacOS 11(.2), however,

0
1
0
0
0
...

is printed.