Java by API/org.eclipse.swt.widgets/Composite

extends Composite

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.layout.RowLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.ruposite; 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 MainClass {

 public static void main(String[] a) {
   Display d = new Display();
   Shell s = new Shell(d);
   s.setSize(250, 250);
   s.setText("A Shell Composite Example");
   GridLayout gl = new GridLayout();
   gl.numColumns = 4;
   s.setLayout(gl);
   s.setLayout(gl);
   GridComposite gc = new GridComposite(s);
   GridData gd = new GridData(GridData.FILL_BOTH);
   gd.horizontalSpan = 4;
   gc.setLayoutData(gd);
   gd = new GridData();
   RowComposite rc = new RowComposite(s);
   gd = new GridData(GridData.FILL_HORIZONTAL);
   rc.setLayoutData(gd);
   s.open();
   while (!s.isDisposed()) {
     if (!d.readAndDispatch())
       d.sleep();
   }
   d.dispose();
 }

} class GridComposite extends Composite {

 public GridComposite(Composite c) {
   super(c, SWT.BORDER);
   GridLayout gl = new GridLayout();
   gl.numColumns = 3;
   this.setLayout(gl);
   final Label l1 = new Label(this, SWT.BORDER);
   l1.setText("Column One");
   final Label l2 = new Label(this, SWT.BORDER);
   l2.setText("Column Two");
   final Label l3 = new Label(this, SWT.BORDER);
   l3.setText("Column Three");
   final Text t1 = new Text(this, SWT.SINGLE | SWT.BORDER);
   final Text t2 = new Text(this, SWT.SINGLE | SWT.BORDER);
   final Text t3 = new Text(this, SWT.SINGLE | SWT.BORDER);
   final Text t4 = new Text(this, SWT.SINGLE | SWT.BORDER);
   final Text t5 = new Text(this, SWT.SINGLE | SWT.BORDER);
   final Text t6 = new Text(this, SWT.SINGLE | SWT.BORDER);
   GridData gd = new GridData();
   gd.horizontalAlignment = GridData.CENTER;
   l1.setLayoutData(gd);
   gd = new GridData();
   gd.horizontalAlignment = GridData.CENTER;
   l2.setLayoutData(gd);
   gd = new GridData();
   gd.horizontalAlignment = GridData.CENTER;
   l3.setLayoutData(gd);
   gd = new GridData(GridData.FILL_HORIZONTAL);
   t1.setLayoutData(gd);
   gd = new GridData(GridData.FILL_HORIZONTAL);
   t2.setLayoutData(gd);
   gd = new GridData(GridData.FILL_HORIZONTAL);
   t3.setLayoutData(gd);
   gd = new GridData(GridData.FILL_HORIZONTAL);
   t4.setLayoutData(gd);
   gd = new GridData(GridData.FILL_HORIZONTAL);
   t5.setLayoutData(gd);
   gd = new GridData(GridData.FILL_HORIZONTAL);
   t6.setLayoutData(gd);
 }

} class RowComposite extends Composite {

 final Button okBtn;
 final Button cancelBtn;
 public RowComposite(Composite c) {
   super(c, SWT.NO_FOCUS);
   RowLayout rl = new RowLayout();
   rl.wrap = false;
   rl.pack = false;
   this.setLayout(rl);
   okBtn = new Button(this, SWT.BORDER | SWT.PUSH);
   okBtn.setText("OK");
   okBtn.setSize(30, 20);
   cancelBtn = new Button(this, SWT.BORDER | SWT.PUSH);
   cancelBtn.setText("Cancel");
   cancelBtn.setSize(30, 20);
   cancelBtn.addSelectionListener(new SelectionAdapter() {
     public void widgetSelected(SelectionEvent e) {
       System.out.println("Cancel was clicked");
     }
   });
 }

}

      </source>
   
  
 
  

new Composite(Shell s, SWT.NO_FOCUS)

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.layout.RowLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.ruposite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; public class MainClass {

 public static void main(String[] a) {
   Display d = new Display();
   Shell s = new Shell(d);
   GridLayout gl = new GridLayout();
   gl.numColumns=4;
   s.setLayout(gl);
   s.setSize(250,275);
   s.setText("A Shell Composite Example");
   s.setLayout(gl);
   GridData gd = new GridData(GridData.FILL_BOTH);
   gd.horizontalSpan = 4;
   gd = new GridData();
   
   Composite c1 = new Composite(s, SWT.NO_FOCUS);
   gd = new GridData(GridData.FILL_HORIZONTAL);
   c1.setLayoutData(gd);
   Composite c2 = new Composite(s, SWT.NO_FOCUS);
   gd = new GridData(GridData.FILL_HORIZONTAL);
   c2.setLayoutData(gd);
   
   Composite c = new Composite(s, SWT.NO_FOCUS);
   c.setLayout(new RowLayout());
   Button b1 = new Button(c, SWT.PUSH | SWT.BORDER);
   b1.setText("OK");
   Button b2 = new Button(c, SWT.PUSH | SWT.BORDER);
   b2.setText("Cancel");
   gd = new GridData(GridData.FILL_HORIZONTAL);
   c.setLayoutData(gd);
   s.open();
   while (!s.isDisposed()) {
     if (!d.readAndDispatch())
       d.sleep();
   }
   d.dispose();
 }

}

      </source>