[ 
https://issues.apache.org/jira/browse/NETBEANS-5853?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Eirik Bakke updated NETBEANS-5853:
----------------------------------
    Description: 
On the Windows LAF, when using the dropdown menu to select an editor tab, 
hovering over the "X" button and then moving the mouse cursor to the right 
outside the switcher popup will cause repaint problems. See the attached GIF, 
which was prepared by DevCharly (who found the bug during review of [another 
PR|https://github.com/apache/netbeans/pull/2967]).

The component in question is org.netbeans.swing.tabcontrol.ButtonPopupSwitcher. 
See also https://github.com/apache/netbeans/pull/2528 , which intends to make 
some changes in this area.

The bug does not appear on MacOS/Aqua. It does appear on both the Windows LAF 
and FlatLAF Dark on Windows.

  was:
On the Windows LAF, when using the dropdown menu to select an editor tab, 
hovering over the "X" button and then moving the mouse cursor to the right 
outside the switcher popup will cause repaint problems. See the attached GIF, 
which was prepared by DevCharly (who found the bug during review of another PR, 
see https://github.com/apache/netbeans/pull/2967 ).

The component in question is org.netbeans.swing.tabcontrol.ButtonPopupSwitcher. 
See also https://github.com/apache/netbeans/pull/2528 , which intends to make 
some changes in this area.

The bug does not appear on MacOS.


> Repaint problems in tabcontrol ButtonPopupSwitcher
> --------------------------------------------------
>
>                 Key: NETBEANS-5853
>                 URL: https://issues.apache.org/jira/browse/NETBEANS-5853
>             Project: NetBeans
>          Issue Type: Bug
>          Components: platform - Window System
>    Affects Versions: 12.4
>         Environment: NetBeans 12.4 on OpenJDK 11.0.11 on Windows, with 
> Windows LAF.
>            Reporter: Eirik Bakke
>            Priority: Minor
>         Attachments: Tab Switcher Bug.gif
>
>
> On the Windows LAF, when using the dropdown menu to select an editor tab, 
> hovering over the "X" button and then moving the mouse cursor to the right 
> outside the switcher popup will cause repaint problems. See the attached GIF, 
> which was prepared by DevCharly (who found the bug during review of [another 
> PR|https://github.com/apache/netbeans/pull/2967]).
> The component in question is 
> org.netbeans.swing.tabcontrol.ButtonPopupSwitcher. See also 
> https://github.com/apache/netbeans/pull/2528 , which intends to make some 
> changes in this area.
> The bug does not appear on MacOS/Aqua. It does appear on both the Windows LAF 
> and FlatLAF Dark on Windows.



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