<AWT Dev> Review Request for 8057574: Inconsistent behavior for setBackground (Windows/Linux)

Sergey Bylokhov Sergey.Bylokhov at oracle.com
Tue Jan 19 03:45:25 UTC 2016


On 19/01/16 06:30, Prem Balakrishnan wrote:
> In the case of Foreground color, Behavior is same in Windows and Linux
> platforms.
>
> (i.e., Child inherits parents Foreground color).
>
> And from my point of view the behavior can be retained.

What about OSX? Does it works in the same way?

>
> *From:*Semyon Sadetsky
> *Sent:* Monday, January 18, 2016 2:30 PM
> *To:* Prem Balakrishnan; Ambarish Rapte; Sergey Bylokhov;
> awt-dev at openjdk.java.net
> *Subject:* Re: Review Request for 8057574: Inconsistent behavior for
> setBackground (Windows/Linux)
>
> Hi Prem,
>
> The updated version looks better.
> Should we do the same for the foreground color?
>
> --Semyon
>
> On 1/13/2016 4:24 PM, Prem Balakrishnan wrote:
>
>     Hi Semyon,
>
>     The scenario which you mentioned, child Window with Frame/Dialog as
>     parent *FAILED*.
>
>     I have fixed the issue and updated relative test cases .
>
>     *Updated Webrev:
>     *http://cr.openjdk.java.net/~arapte/prem/8057574/webrev.02/
>
>     Regards,
>
>     Prem
>
>     *From:*Semyon Sadetsky
>     *Sent:* Wednesday, January 13, 2016 4:13 PM
>     *To:* Prem Balakrishnan; Ambarish Rapte; Sergey Bylokhov;
>     awt-dev at openjdk.java.net <mailto:awt-dev at openjdk.java.net>
>     *Subject:* Re: Review Request for 8057574: Inconsistent behavior for
>     setBackground (Windows/Linux)
>
>
>     On 1/13/2016 1:24 PM, Prem Balakrishnan wrote:
>
>
>     Hi Semyon,
>
>     Yup tried with Window:
>
>     Dialog checks parent’s type internally, if the type is Window
>     following exception is thrown.
>
>     I meant *child* Window with Frame or Dialog parent.
>
>
>     Exception in thread "main" java.lang.IllegalArgumentException: Wrong
>     parent window
>
>     *Code snippet  from awt/Dialog.java *
>
>       public Dialog(Window owner, String title, ModalityType modalityType) {
>
>              super(owner);
>
>             if ((owner != null) &&
>
>                  !(owner instanceof Frame) &&
>
>                  !(owner instanceof Dialog))
>
>              {
>
>                  throw new IllegalArgumentException("Wrong parent window");
>
>              }
>
>     …….
>
>     …….
>
>     Regards,
>     Prem
>
>     *From:*Semyon Sadetsky
>     *Sent:* Wednesday, January 13, 2016 3:40 PM
>     *To:* Prem Balakrishnan; Ambarish Rapte; Sergey Bylokhov;
>     awt-dev at openjdk.java.net <mailto:awt-dev at openjdk.java.net>
>     *Subject:* Re: Review Request for 8057574: Inconsistent behavior for
>     setBackground (Windows/Linux)
>
>     Hi,
>
>     On 1/13/2016 12:20 PM, Prem Balakrishnan wrote:
>
>         Hi Semyon,
>
>         1.Patch is updated with the relative test for the fix.
>
>         *Updated Webrev:*
>         http://cr.openjdk.java.net/~arapte/prem/8057574/webrev.01/
>         <http://cr.openjdk.java.net/%7Earapte/prem/8057574/webrev.01/>
>
>         *Bug:* https://bugs.openjdk.java.net/browse/JDK-8057574
>
>         2.The issue is observed when Frame is parent and Dialog is
>         Child. (Scenario reported by Alexander Stepanov)
>
>         The above issue is resolved with the same fix.
>
>     Did you try Window child?
>
>     --Semyon
>
>
>
>     Test related to this scenario is also updated with the patch.
>
>     Regards,
>
>     Prem
>
>     *From:*Semyon Sadetsky
>     *Sent:* Monday, January 11, 2016 6:00 PM
>     *To:* Prem Balakrishnan; Ambarish Rapte; awt-dev at openjdk.java.net
>     <mailto:awt-dev at openjdk.java.net>
>     *Subject:* Re: Review Request for 8057574: Inconsistent behavior for
>     setBackground (Windows/Linux)
>
>     On 1/11/2016 2:18 PM, Prem Balakrishnan wrote:
>
>
>
>
>     Hi Semyon,
>
>     Thanks for the review comments.
>
>     1.I will add a relative test for the fix.
>
>     2.The same issue is observed with Frame also,
>
>              As the original issue is reported for dialog, fix submitted
>     only for dialog.
>
>     Should I combine  fix for  Dialog and Frame in the same patch?
>
>     Yes. I would consider it as the same issue. All window types may
>     have this issue.
>
>     --Semyon
>
>
>
>
>     Regards,
>
>     Prem
>
>     *From:*Semyon Sadetsky
>     *Sent:* Monday, January 11, 2016 3:32 PM
>     *To:* Prem Balakrishnan; Ambarish Rapte; awt-dev at openjdk.java.net
>     <mailto:awt-dev at openjdk.java.net>
>     *Subject:* Re: Review Request for 8057574: Inconsistent behavior for
>     setBackground (Windows/Linux)
>
>     Hi Prem,
>
>     By default a fix requires a regression test which fails before the
>     fix an passes after. When it is absent noreg-??? label should be set
>     to the JIRA ticket. See
>     http://openjdk.java.net/guide/changePlanning.html for possible noreg
>     suffixes.
>     But it seems to me that reg test can be written for the issue.
>
>     In JIRA Alexander Stepanov noted that the issue takes place for
>     Frame as well but your solution is fixing the Dialog only. Did you
>     run the scenario with Frame?
>
>     --Semyon
>
>     On 1/4/2016 11:28 AM, Prem Balakrishnan wrote:
>
>         Hi,
>
>         Please review fix for JDK9,
>
>         *Bug:* https://bugs.openjdk.java.net/browse/JDK-8057574
>
>         *Webrev:*
>         http://cr.openjdk.java.net/~arapte/prem/8057574/webrev.00/
>         <http://cr.openjdk.java.net/%7Earapte/prem/8057574/webrev.00/>
>
>         *Issue:*
>
>         It is Platform specific Issue - LINUX
>
>         If Child Dialog’s Background color is NOT set explicitly, Child
>         Dialog inherits Parent Dialog’s Background Color.
>
>         (In Windows OS Child Dialog is NOT inheriting parent Dialog’s
>         Background Color)
>
>         *Cause:*
>
>         Default Background color for Dialog is not initialized.
>
>         *Fix:*
>
>         If Background color is not set explicitly , default Background
>         color is set at the time of Dialog’s initialization.
>
>         Thanks,
>
>         Prem
>


-- 
Best regards, Sergey.


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