<AWT Dev> <Awt Dev> [9] Review Request for 8022334: After calling frame.toBack() dialog goes to the back on Ubuntu 12.04

Semyon Sadetsky semyon.sadetsky at oracle.com
Thu Oct 15 05:59:42 UTC 2015

On 10/13/2015 6:03 PM, Sergey Bylokhov wrote:
>>> On 09/29/2015 08:51 PM, Semyon Sadetsky wrote:
>>>> Hello,
>>>> Please review fix for JDK9:
>>>> bug: https://bugs.openjdk.java.net/browse/JDK-8022334
>>>> webrev: http://cr.openjdk.java.net/~ssadetsky/8022334/webrev.00/
>>>> The Unity WM cannot switch top-level windows of different peers
>>>> inside one Java app, because they have different WM_CLASS property
>>>> and different WM_CLASS are treated as different applications. This
>>>> issue is the root cause why a single Java app that contains multiple
>>>> top-level windows is shown as several groups of apps in the taskbar.
>>>> And it makes impossible to "lock" multi-window Java app in the Unity
>>>> taskbar because desktop shortcut should contain one WM_CLASS per app.
>>>> As a fix it is proposed to use the same WM_CLASS value for all peer
>>>> classes.
> Should we also set the same hint for GTK FileChooser widget in 
> GtkFileDialogPeer?
This is not in this bug scope.  JDK doesn't set any wm class for GTK 
FileChooser dialog. But it can be worth to add it. I filed a separate 
bug for that https://bugs.openjdk.java.net/browse/JDK-8139635.
> @Alexander Z, it seems this application name can be covered by your JEP.

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