<AWT Dev> Integrated: 8256465: [macos] Java frame and dialog presented full screen freeze application

[Tejpal Rebari]

On Fri, 9 Apr 2021 05:42:37 GMT, Tejpal Rebari <trebari at openjdk.org> wrote:

> Hi All,
> Please review the following fix for jdk17.
> 
> Issue : On MacOS 11 Java Frame and JDialog application is freezing  in Full Screen  when the System Preference -> General -> Prefer Tabs is set to "Full Screen". It is also freezing in normal screen when Prefer Tabs is set to "Always".
> It doesn't freeze when the Prefer tabs is set to "never".
> 
> Fix : The default value of allowsAutomaticWindowTabbing is 0/NO in MacOS prior to bigSur(11)  
> (in the AWTWindow.m file),  so the issue is not seen in mac os 10.13 10.14 and 10.15.
> From MacOS 11 onwards  this value is set to 1/YES and the issue is seen.
> This issue can also be reproduced in MacOS 10.15 by setting setAllowsAutomaticWindowTabbing to true in the AWTWindow.m file.
> 
> Fix is to set allowsAutomaticWindowTabbing to No for all the MacOS release staring from 10.12.
> The allowsAutomaticTabbing was introduced in MacOS 10.12 but the default value changed in macos11.
> 
> Test : Added a manual test and tested on MacOS 10.15 and 11.
> All the internal tests run are green.

This pull request has now been integrated.

Changeset: 042f0bdb
Author:    Tejpal Rebari <trebari at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/042f0bdb3568edab4f96b9f7c83cbb0f90db7f18
Stats:     171 lines in 3 files changed: 169 ins; 0 del; 2 mod

8256465: [macos] Java frame and dialog presented full screen freeze application

Reviewed-by: kcr, serb, prr

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PR: https://git.openjdk.java.net/jdk/pull/3407