[5215] in java-interest
Re: GridBagLayout, and other layout problems.
daemon@ATHENA.MIT.EDU (Mete Senocak)
Fri Feb 2 05:21:13 1996
Date: Fri, 02 Feb 1996 00:21:12 -0800
From: Mete Senocak <msenocak@arachnid.microweb.com>
To: James Waldrop <sulam@construct.net>
Cc: java-interest@java.sun.com
Hi James:
James Waldrop wrote:
>
> Ok, I can't wait for a decent Layout manager tutorial. I'm trying to
> use GridBagLayout, and having quite a few problems.
>
> The general thing I want to see is:
> _______________________________
> | |
> | A |
> |_______________________________|
> _______________________________
> | |
> | B |
> |_______________________________|
> _______________________________
> |______________C________________|
>
> Where:
>
> A: is a subclass of Panel which contains a subclass of Canvas that an
> image is drawn onto.
>
> B: is a Panel which contains a TextArea.
>
> C: is a Panel which contains a TextField.
>
> Here's my code so far, please note the comments:
>
> public void init() {
>
> GridBagLayout gridBag = new GridBagLayout();
> GridBagConstraints c = new GridBagConstraints();
> c.fill = GridBagConstraints.BOTH;
>
> // setLayout(new FlowLayout()); // default, doesn't show A ??
> // setLayout(gridBag); // I can't make it show component A
> // setLayout(new BorderLayout()); // Also doesn't show component A
> setLayout(new GridLayout(3, 0)); // This works, but isn't what I want
> // C is much too large...
>
Here is one problem: You have to create a panel object first and then call its
method setLayout(), like this:
Panel yourPanel;
yourPanel = new Panel();
yourPanel.setLayout(new GridLayout());
I didn't check the rest of the code thoroughly, it might work though after fixing
this problem.
Let me know if it works.
Good luck,
-Mete
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