Problem with GridBagLayout and ComboBox

Swing Designer allows you to quickly create the frames, panels, dialogs, applets and other UI elements that comprise Java Swing applications.

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Problem with GridBagLayout and ComboBox

Postby mkornatzki » Fri Aug 20, 2010 12:54 am

Hi,

under the following condition
* layout=GridBagLayout
* cell with JCombobox
* vertical grow
* anchor = GridBagConstraints.BASELINE <- this causes the problem

i get the error
Code: Select all
java.lang.IllegalArgumentException: Width and height must be >= 0


Code: Select all
GridBagLayout gbl_contentPane = new GridBagLayout();
gbl_contentPane.columnWidths = new int[]{0, 0};
gbl_contentPane.rowHeights = new int[]{0, 0};
gbl_contentPane.columnWeights = new double[]{0.0, Double.MIN_VALUE};
gbl_contentPane.rowWeights = new double[]{1.0, Double.MIN_VALUE};
contentPane.setLayout(gbl_contentPane);
GridBagConstraints gbc_cmb = new GridBagConstraints();
gbc_cmb.anchor = GridBagConstraints.BASELINE;
gbc_cmb.fill = GridBagConstraints.HORIZONTAL;
gbc_cmb.gridx = 0;
gbc_cmb.gridy = 0;
contentPane.add(getCmb_1(), gbc_cmb);


cheers, michael
mkornatzki
 
Posts: 121
Joined: Wed Oct 15, 2008 3:57 am

Re: Problem with GridBagLayout and ComboBox

Postby Eric Clayberg » Sat Aug 21, 2010 5:17 am

This is caused by a bug in Swing.

We have added a work around in the latest build.
Eric Clayberg
Software Engineering Manager
Google
http://code.google.com/webtoolkit/download.html

Author: "Eclipse Plug-ins"
http://www.qualityeclipse.com
Eric Clayberg
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