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From Jason Murray <icecreamgu...@gmail.com>
Subject Re: 2.0.2 How to move scroll bar to bottom of ScrollPane?
Date Fri, 07 Dec 2012 05:49:33 GMT
Thank you very much, that works perfectly! So anything that is set
after it's painted requires a callback?
--Jason


On Tue, Dec 4, 2012 at 10:52 AM, Roger L. Whitcomb
<Roger.Whitcomb@actian.com> wrote:
> Hi Jason,
>         The way we handle this case is to queue a callback that gets the
> Bounds of the last character and calls "scrollAreaToVisible" with those
> bounds.  Like this:
>             ApplicationContext.queueCallback(new Runnable() {
>                 @Override
>                 public void run() {
>                     Bounds bounds =
> resultArea.getCharacterBounds(resultArea.getCharacterCount());
>                     resultArea.scrollAreaToVisible(bounds);
>                 }
>             });
>
> The reason you have to do the queued callback is that the painting code is
> what actually sets the bounds, and so the value is not available until the
> repaint happens, and then the callback is invoked right after that.
>
> HTH,
> ~Roger Whitcomb
>
> -----Original Message-----
> From: Jason Murray [mailto:icecreamguy39@gmail.com]
> Sent: Saturday, December 01, 2012 8:29 PM
> To: user@pivot.apache.org
> Subject: 2.0.2 How to move scroll bar to bottom of ScrollPane?
>
> Right now, I have a TextArea set to refresh its text after the enter key
> is pressed.
> This works just fine, but the scroll bar of the ScrollPane that the
> TextArea is in doesn't automatically scroll down to the bottom where
> anything new would be.
> Is there a method of ScrollPane that I could put inside an event listener
> to do this?
> --Jason

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