[jira] [Closed] (PIVOT-757) ScrollPane paints over columnHeader if header has no background

[Sandro Martini (JIRA)]

     [ 
https://issues.apache.org/jira/browse/PIVOT-757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sandro Martini closed PIVOT-757.
--------------------------------
    Resolution: Later

Be free to reopen if/when needed (and confirmed that it's still a valid issue).

> ScrollPane paints over columnHeader if header has no background
> ---------------------------------------------------------------
>
>                 Key: PIVOT-757
>                 URL: https://issues.apache.org/jira/browse/PIVOT-757
>             Project: Pivot
>          Issue Type: Bug
>          Components: wtk
>    Affects Versions: 2.0
>            Reporter: Edvin Syse
>            Priority: Minor
>             Fix For: 2.1
>
>         Attachments: headerbug.png, scrollpane-header-bug.zip
>
>
> If the columnHeader of the ScrollPane doesn't have a background, and you 
> scroll the view down and then trigger a repaint, the background of the 
> columnHeader will actually be drawn on by the ScrollPane View. The following 
> code will trigger the problem if you make the surrounding Window small enough 
> to give you scrollbars, scroll down, and then resize the window, see attached 
> screenshot.
>     <ScrollPane>
>         <ImageView image="@http://pivot.apache.org/images/logo.png"/>
>         <columnHeader>
>             <BoxPane>
>                 <Label text="Don't paint over me!"/>
>             </BoxPane>
>         </columnHeader>
>     </ScrollPane>
> Workaround: Make sure the BoxPane has a background color set.
> Will attach both a testcase and a screenshot.



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