Hey everybody, I've been writing a simple chat program, and I was wondering about a few features that I haven't been able to figure out just yet.
1. How do I set the scroll bar's position manually, via code.
2. How do I call a method from a keystroke?
I plan on putting a method call to whatever method number 1 entails at the end of the while loop in IncomingReader's run() method, and I'd also like the program to be able to send the user's message when they press ENTER.
The code for the client class:
Joined: Jun 09, 2003
> 1. How do I set the scroll bar's position manually, via code.
get the scrollbar from the scrollPane and
but this has always been a bit wonky
a lot depends on what the maximum value is (and, if I remember correctly, this 'maximum' can change)
an alternative is to get the scrollPane's viewport and
where someRectangle could be (e.g.) textfield.getBounds()
I'm still having problems, though. When I try to compile my code now, it give's me an error:
My revised code to bind the Enter key to my JTextField outgoing:
Joined: Feb 23, 2007
Rather than implement Action, I'd try having having your class extend AbstractAction. This way while it has to implement the actionPerformed method it only overrides the other Action methods that you think are necessary (or none at all).