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GridLayout problem [message #466401] Tue, 10 January 2006 08:44 Go to next message
Koen is currently offline KoenFriend
Messages: 26
Registered: July 2009
Junior Member

I want to create a form with labels on the left side and text boxes on the right side. I want the labels to be fully visible and leave the rest of the space for the text boxes. I am trying to do this using a grid layout, but I failed so far. Can anybode tell me what I am doing wrong in the following code snippet?

package test;

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class GridLayoutTest {
private final static GridData labelData = new GridData(SWT.FILL, SWT.FILL,
false, false);

private final static GridData noSelectorEditData = new GridData(SWT.FILL,
SWT.FILL, true, false, 2, 1);

public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
while (!shell.isDisposed()) {
if (!display.readAndDispatch())

private static void createContents(Shell shell) {
shell.setLayout(new FillLayout());
Composite composite = new Composite(shell, SWT.NONE);
GridLayout gl = new GridLayout(3, false);

addCombo(composite, "One Two Three");
addText(composite, "One");
addText(composite, "Two");
addText(composite, "Three");

private static void addText(Composite parent, String s) {
addLabel(parent, s);
final Text t = new Text(parent, SWT.SINGLE | SWT.BORDER);

private static void addCombo(Composite parent, String s) {
addLabel(parent, s);
final Combo combo = new Combo(parent, SWT.BORDER);


private static void addLabel(Composite parent, String s) {
Label paramLabel = new Label(parent, SWT.NONE);

Thanks in advance,
Re: GridLayout problem [message #466403 is a reply to message #466401] Tue, 10 January 2006 09:00 Go to previous messageGo to next message
hortiz Mising name is currently offline hortiz Mising nameFriend
Messages: 96
Registered: July 2009

You can't reuse GridData objects !
See Javadoc for GridData :

"NOTE: Do not reuse GridData objects. Every control in a Composite that is
managed by a GridLayout must have a unique GridData object. If the layout
data for a control in a GridLayout is null at layout time, a unique
GridData object is created for it."
Re: GridLayout problem [message #466407 is a reply to message #466403] Tue, 10 January 2006 10:22 Go to previous message
Koen is currently offline KoenFriend
Messages: 26
Registered: July 2009
Junior Member
That solved it. Thanks!
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