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/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.snippets;
/*
* FormLayout example snippet: center a label and single line text using a form layout
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*/
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.layout.*;
public class Snippet69 {
public static void main (String [] args) {
Display display = new Display ();
Shell shell = new Shell (display);
Label label = new Label (shell, SWT.NONE | SWT.BORDER);
label.setText ("Name");
Text text = new Text (shell, SWT.NONE);
FormLayout layout = new FormLayout ();
layout.marginWidth = layout.marginHeight = 5;
shell.setLayout (layout);
GC gc = new GC (text);
FontMetrics fm = gc.getFontMetrics ();
int charWidth = fm.getAverageCharWidth ();
int width = text.computeSize (charWidth * 8, SWT.DEFAULT).x;
gc.dispose ();
FormData data = new FormData (width, SWT.DEFAULT);
text.setLayoutData (data);
data.left = new FormAttachment (label, 5);
data.top = new FormAttachment (label, 0, SWT.CENTER);
shell.open ();
while (!shell.isDisposed ()) {
if (!display.readAndDispatch ()) display.sleep ();
}
display.dispose ();
}
}
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