<AWT Dev> [10] JDK-8194135: The content in textArea can not be pasted after clicking "Copy" button.

[shashidhara veerabhadraiah]

Hi All, Please review a fix for the bug: https://bugs.openjdk.java.net/browse/JDK-8194135 <https://bugs.openjdk.java.net/browse/JDK-8194135>

Webrev: http://cr.openjdk.java.net/~sveerabhadra/8194135/webrev.00/ <http://cr.openjdk.java.net/~sveerabhadra/8194135/webrev.00/>

Summary: The text selection visibility behaves differently on linux/solaris platforms compared to windows or Mac platforms. There were 2 related fixes that went in this area. There are: https://bugs.openjdk.java.net/browse/JDK-5100950 <https://bugs.openjdk.java.net/browse/JDK-5100950> and https://bugs.openjdk.java.net/browse/JDK-8188081 <https://bugs.openjdk.java.net/browse/JDK-8188081>. While fixing the bug 5100950, a mistake was made to clear out the selection data. This behaviour is NOT the native behaviour as found in other native applications. The behaviour always is to retain the selection data and control the visibility of it depending on the conditions. On linux flavours we display only one selection data and upon toggling active application we get to see the selection data of that particular application hence we never loose the data. These behaviour differences are tested via the test components attached with this fix.
Considering the time, this fix addresses only the awt text components like textarea and textfield. Both these classes uses the same caret implementation, hence a change to the XAWTCaret is sufficient to reflect to both the text components. Swing based text components will be addressed later if there are any issues found.

Thanks and regards,
Shashi
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