Re: How do I paint on an existing Panel?

From:

Lew <lewbloch@gmail.com>

Newsgroups:

comp.lang.java.gui

Date:

Fri, 17 Feb 2012 10:45:36 -0800 (PST)

Message-ID:

<7306414.1263.1329504337003.JavaMail.geo-discussion-forums@pbai10>

"A B" wrote:

Lew wrote:

Note that you did not start the GUI on the Event Dispatch Thread (EDT). I
don't
know if this causes your problem, but it's a mistake.

I'm sure it is. What is an EDT and what do you do with it?

As you quoted from my post, it's the "Event Dispatch Thread", as explained in
the Swing tutorial.

Have you read the tutorials?
<http://www.oracle.com/technetwork/java/javase/documentation/tutorials-jsp-138802.html>

Also, GIYF, dude!
<http://lmgtfy.com/?q=Java+Swing+Event+Dispatch+Thread>

I've chopped the code back to just the bits directly involved with the
drawing and sprinkled debugging statements everywhere, which established
that the bit that calls paintComponent() (via repaint() - that's right
isn't
it?) is firing but paintComponent() itself isn't. Here's what's left, if
you're interested. Sorry if anyone finds it hard to read, I don't know
how
you like it formatted.

We like it formatted according to the well-established Java Coding
Conventions
or a slight variation thereof.

Look I've admitted over and over again that I'm a complete newbie, there's
no need to keep taking me up on it like this. No, I DON'T know what the
accepted conventions are unless you tell me. I'm getting a proper Java
book, but it hasn't come yet.

You don't need to wait, just use your Internet connection
<http://lmgtfy.com/?q=Java+Coding+Conventions>

When you fail to do the most elementary research or learn the most basic
things, we take it up with you. It's called "advice". Instead of getting
all defensive, man up and take the advice. It will help you.

Sheesh.

--
Lew