Resize a text control : Text « SWT « Java Tutorial

1. Java Tutorial
2. SWT
3. Text

/*******************************************************************************
 * 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
 *******************************************************************************/
 
 
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.FontMetrics;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class TextControlResize {

  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Text text = new Text(shell, SWT.BORDER);
    int columns = 10;
    GC gc = new GC(text);
    FontMetrics fm = gc.getFontMetrics();
    int width = columns * fm.getAverageCharWidth();
    int height = fm.getHeight();
    gc.dispose();
    text.setSize(text.computeSize(width, height));
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

17.15.Text
	17.15.1.	Introducing Text and Text Styles
	17.15.2.	Create a single-line text field
	17.15.3.	Create a right-aligned single-line text field
	17.15.4.	Create a password text field
	17.15.5.	Create a read-only text field
	17.15.6.	Create a multiple-line text field
	17.15.7.	Change Text Font
	17.15.8.	Set the selection (start, end)
	17.15.9.	Get Caret Position
	17.15.10.	Append line to Text
	17.15.11.	Set size for Text
	17.15.12.	Select all text in Text
	17.15.13.	Resize a text control
	17.15.14.	Text: type in one text, output to another
	17.15.15.	Prevent Tab from traversing out of a control
	17.15.16.	Draw on the background of Text