Alright thanks, Roger. I now realize it would probably do me buckets of good to look through the source instead of just the javadocs and tutorials.. Thanks again for your help --Jason
On Thu, Dec 6, 2012 at 11:27 PM, Roger and Beth Whitcomb <[email protected]> wrote: > Hi Jason, > It's not exactly that. It's just that in the case of TextArea all the > real calculations happen as part of the painting code, so the bounds of the > last character don't calculate right unless we let the paint happen before > trying to get the bounds. Not all components are like that. And I suppose, > ideally, TextArea wouldn't be like that either, but .... > > HTH, > ~Roger > > > On 12/6/12 9:49 PM, Jason Murray wrote: >> >> 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 >> <[email protected]> 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:[email protected]] >>> Sent: Saturday, December 01, 2012 8:29 PM >>> To: [email protected] >>> 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 >> >> >
