<AWT Dev> RFR: 8256465: [macos] Java frame and dialog presented full screen freeze application [v11]
kcr at openjdk.java.net
Fri Jun 4 14:30:01 UTC 2021
On Fri, 4 Jun 2021 14:25:31 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.
> Tejpal Rebari has updated the pull request incrementally with one additional commit since the last revision:
> call on testApp on correct thread
Marked as reviewed by kcr (Author).
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