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Java Forum / GUI / February 2005

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Multiple highlights in a JTextArea

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ni4ni - 31 Jan 2005 08:51 GMT
Hello

I have a JtextArea in which I have to highlight several words (which
aren't necessarily located one after the other).
I realize I should use setCaretPosition and moveCaretPosition to
highlight text, but can it highlight multiple portions of the text at
the same time ? Whenever I select a word, does it "forget" my previous
selection ?

If I can't use it for this purpose, Is there another way ?

I prefer to use JTextPane and color the text myself only as a last
resort.

Thanks

Guy Shilo
Patrick DeJong - 01 Feb 2005 17:23 GMT
> If I can't use it for this purpose, Is there another way ?
>
> I prefer to use JTextPane and color the text myself only as a last
> resort.

Do yourself a favour and learn how to use JTextPane using an excellent text
such as "Core Swing: Advanced Programming" by Kim Topley (Prentice Hall).
You won't regret it....
Andrey Kuznetsov - 01 Feb 2005 17:26 GMT
> I have a JtextArea in which I have to highlight several words (which
> aren't necessarily located one after the other).
> I realize I should use setCaretPosition and moveCaretPosition to
> highlight text, but can it highlight multiple portions of the text at
> the same time ? Whenever I select a word, does it "forget" my previous
> selection ?

Realize that highlighted area is not necessarily the same thing as selected
area although selected area is usually highligted.

Highlighter.addHighlight(int p0, int p1,  Highlighter.HighlightPainter p)

Signature

Andrey Kuznetsov
http://uio.dev.java.net Unified I/O for Java
http://reader.imagero.com Java image reader
http://jgui.imagero.com Java GUI components and utilities



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