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From "Roger Whitcomb (JIRA)" <j...@apache.org>
Subject [jira] [Created] (PIVOT-954) Double click in empty TextArea causes exception
Date Fri, 18 Jul 2014 22:42:06 GMT
Roger Whitcomb created PIVOT-954:
------------------------------------

             Summary: Double click in empty TextArea causes exception
                 Key: PIVOT-954
                 URL: https://issues.apache.org/jira/browse/PIVOT-954
             Project: Pivot
          Issue Type: Bug
          Components: wtk
    Affects Versions: 2.0.4, 2.1
         Environment: All
            Reporter: Roger Whitcomb
            Assignee: Roger Whitcomb
            Priority: Minor
             Fix For: 2.1, 2.0.5


Start with an empty TextArea, then double click anywhere (which normally would select the
current word), there will be basically an assertion error from here:
java.lang.IndexOutOfBoundsException: index: index (-1) < min (0)
        at org.apache.pivot.wtk.Component.indexBoundsCheck(Component.java:2861)
        at org.apache.pivot.wtk.TextArea.getCharacterAt(TextArea.java:904)
        at org.apache.pivot.wtk.skin.TextAreaSkin.selectSpan(TextAreaSkin.java:969)
        at org.apache.pivot.wtk.skin.TextAreaSkin.mouseClick(TextAreaSkin.java:1023)

The underlying problem is trying to get the character at offset -1 in the document.

It could also occur in any document in which the first line is empty, and trying to double
click there (with a slightly different stack trace):
java.lang.IndexOutOfBoundsException: index: index (-1) < min (0)
        at org.apache.pivot.wtk.Component.indexBoundsCheck(Component.java:2861)
        at org.apache.pivot.wtk.TextArea.getCharacterAt(TextArea.java:904)
        at org.apache.pivot.wtk.skin.TextAreaSkin.selectSpan(TextAreaSkin.java:974)
        at org.apache.pivot.wtk.skin.TextAreaSkin.mouseClick(TextAreaSkin.java:1023)

(This is from the "trunk" version).



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