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https://issues.apache.org/jira/browse/PIVOT-772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13073579#comment-13073579
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Noel Grandin commented on PIVOT-772:
------------------------------------
I've backed out my fix for now.
Roger, the only solution that it available to you right now, is too push the
scrollAreaToVisible() method call into a new Runnable, which is queued to be
run after the TextArea modification.
That will ensure that the component hierarchy is validated before
scrollAreaToVisible() performs it's calculations.
Long-term, I can't see any easy solution, other than documenting this
requirement.
> Exceptions thrown when calling getCharacterBounds of TextArea when incomplete
> lines exist
> -----------------------------------------------------------------------------------------
>
> Key: PIVOT-772
> URL: https://issues.apache.org/jira/browse/PIVOT-772
> Project: Pivot
> Issue Type: Bug
> Components: wtk
> Affects Versions: 2.0.1
> Environment: Windows XP SP3, JRE 1.6_25 or JRE 1.7 (beta)
> Reporter: Roger Whitcomb
> Assignee: Noel Grandin
> Priority: Minor
> Fix For: 2.0.1
>
> Attachments: Scroll.java, Scroll2.java, scroll.bxml, scroll.log,
> scroll2.log
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> If partial lines are appended to a TextArea and then "getCharacterBounds"
> followed by "scrollAreaToVisible" is called, Pivot throws
> java.lang.IndexOutOfBoundsException from
> TextAreaSkinParagraphView.getCharacterBounds:
> java.lang.IndexOutOfBoundsException: ix = 38
> at sun.font.StandardGlyphVector.getGlyphLogicalBounds(Unknown Source)
> at
> org.apache.pivot.wtk.skin.TextAreaSkinParagraphView.getCharacterBounds(TextAreaSkinParagraphView.java:393)
> at
> org.apache.pivot.wtk.skin.TextAreaSkin.getCharacterBounds(TextAreaSkin.java:442)
> at
> org.apache.pivot.wtk.TextArea.getCharacterBounds(TextArea.java:1243)
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