title: how to control on the position of toolbar Item in SWT?
body: <p>I have 3 ToolItem  : text , item1 , item2</p>
  
  <p>I want that text item will be align to the left and item 1 and item 2 will be align to the right</p>
  
  <p>for example</p>
  
  <pre><code> text                         item1,item2
  </code></pre>
  
  <p>This is the code</p>
  
  <p>ToolBar treeToolBar = new ToolBar(treeComposite, SWT.NONE);</p>
  
  <pre><code>    filterText = new Text(treeToolBar, SWT.BORDER);
  
      ToolItem textItem = new ToolItem(treeToolBar, SWT.SEPARATOR);
      textItem.setControl(filterText);
      textItem.setWidth(filterText.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
  
      Item1 = new ToolItem(treeToolBar, SWT.PUSH | SWT.RIGHT);
  
      item2 = new ToolItem(treeToolBar, SWT.PUSH | SWT.RIGHT);
  </code></pre>