Source Code : Layout Components

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Layout Components

/******************************************************************************
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * All right reserved. 
 * 
 * Created on Jan 27, 2004 11:50:44 PM by JACK
 * $Id$
 * 
 * visit: http://www.asprise.com/swt
 *****************************************************************************/



import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.ControlListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class Layouting {

  Display display = new Display();
  Shell shell = new Shell(display);
  
  int count = 0;

  public Layouting() {
    init();
    shell.setLayout(new RowLayout());
    
    final Composite composite = new Composite(shell, SWT.BORDER);
    composite.setLayout(new RowLayout());
    composite.setBackground(display.getSystemColor(SWT.COLOR_YELLOW));
    composite.addControlListener(new ControlListener() {
      public void controlMoved(ControlEvent e) {
        // TODO Auto-generated method stub

      }

      public void controlResized(ControlEvent e) {
        System.out.println("Composite resize.");
      }
    });
    
    Button buttonAdd = new Button(shell, SWT.PUSH);
    buttonAdd.setText("Add new button");
    buttonAdd.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent e) {
        Button button = new Button(composite, SWT.PUSH);
        button.setText("Button #" + (count++));
        //composite.layout(true);
        composite.pack();
        //shell.layout(true;
        // shell.pack(true);
      }
    });
    
  
    // shell.pack();
    shell.setSize(450, 100);
    shell.open();
    //textUser.forceFocus();

    // Set up the event loop.
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        // If no more entries in event queue
        display.sleep();
      }
    }

    display.dispose();
  }

  private void init() {

  }

  public static void main(String[] args) {
    new Layouting();
  }
}


           
       

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