Pass the Composite to the tab's setControl() method : TabItem « SWT « Java Tutorial

1. Java Tutorial
2. SWT
3. TabItem

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TabFolder;
import org.eclipse.swt.widgets.TabItem;

public class TabItemWithComposite {

  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    final TabFolder tabFolder = new TabFolder(shell, SWT.BORDER);
    for (int i = 0; i < 6; i++) {
      TabItem item = new TabItem(tabFolder, SWT.NONE);
      item.setText("TabItem " + i);
      item.setToolTipText("This is my tab" + i);
      item.setImage(new Image(display, "yourFile.gif"));

      

      Composite composite = new Composite(tabFolder, SWT.NONE);
      composite.setLayout(new FillLayout());
      new Button(composite, SWT.PUSH).setText("Button One");
      new Button(composite, SWT.PUSH).setText("Button Two");
      new Button(composite, SWT.PUSH).setText("Button Three");
      item.setControl(composite);

    }
    tabFolder.pack();
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

17.72.TabItem
	17.72.1.	Create tabs that run along the top or the bottom of the parent composite
	17.72.2.	Create a tab with a label, an image, a tool tip, and a control
	17.72.3.	Pass the Composite to the tab's setControl() method
	17.72.4.	Add Controls to TabItem
	17.72.5.	Add ToolTip to TabItem