[jira] [Commented] (PIVOT-768) Using TablePane.Filler to align cells in a TablePane can result in blocked mouse input when a Component's 'columnSpan' is > 1

["Noel Grandin (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIVOT-768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13057708#comment-13057708 ] 

Noel Grandin commented on PIVOT-768:
------------------------------------

I can see two solutions to this

(1) we make TablePane.Filler components "transparent" to mouse/keyboard events, so that it passes keyboard events to the component(s) below it

(2) we add some kind of z-axis specification to the TablePane Container, so that the user can specify which z-order components should be displayed in.

I think option (1) will fix Chris' immediate problem, but this is a general problem with any container component that is overloading the order of child components with two meanings: painting order and layout order.

I'm in favour of implementing option (1) for version 2.0.1 and logging a separate issue to discuss and implement option (2) for version 2.1.



> Using TablePane.Filler to align cells in a TablePane can result in blocked mouse input when a Component's 'columnSpan' is > 1
> -----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: PIVOT-768
>                 URL: https://issues.apache.org/jira/browse/PIVOT-768
>             Project: Pivot
>          Issue Type: Improvement
>          Components: wtk, wtk-terra
>    Affects Versions: 2.0
>         Environment: n/a
>            Reporter: Chris Bartlett
>            Priority: Minor
>             Fix For: 2.1
>
>         Attachments: table_pane_filler_issue.bxml, table_pane_filler_issue.png
>
>
> See attached BXML file and screenshot
> A workaround is to make the 'filler' Component non-visible, whether it is an actual TablePane.Filler or something else.
> (A non-visible Label works exactly the same as a TablePane.Filler instance)
> Perhaps TablePane.Filler should default to being non-visible to avoid this problem?
> I haven't investigated this in any way, so making the change may well have ramifications elsewhere.

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