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    <p>You can make MenuItem with styles SWT.CHECK, SWT.CASCADE, SWT.PUSH, SWT.RADIO, SWT.SEPARATOR <a href="http://help.eclipse.org/helios/index.jsp?topic=/org.eclipse.platform.doc.isv/reference/api/org/eclipse/swt/widgets/package-summary.html" rel="noreferrer">see javadoc</a>..</p> <p>So you can "hang" swt menu to selection of dropdown on toolbar item like this</p> <pre><code>public class Test { private Shell shell; public Test() { Display display = new Display(); shell = new Shell(display, SWT.SHELL_TRIM); shell.setLayout(new FillLayout(SWT.VERTICAL)); shell.setSize(50, 100); ToolBar toolbar = new ToolBar(shell, SWT.FLAT); ToolItem itemDrop = new ToolItem(toolbar, SWT.DROP_DOWN); itemDrop.setText("drop menu"); itemDrop.addSelectionListener(new SelectionAdapter() { Menu dropMenu = null; @Override public void widgetSelected(SelectionEvent e) { if(dropMenu == null) { dropMenu = new Menu(shell, SWT.POP_UP); shell.setMenu(dropMenu); MenuItem itemCheck = new MenuItem(dropMenu, SWT.CHECK); itemCheck.setText("checkbox"); MenuItem itemRadio = new MenuItem(dropMenu, SWT.RADIO); itemRadio.setText("radio1"); MenuItem itemRadio2 = new MenuItem(dropMenu, SWT.RADIO); itemRadio2.setText("radio2"); } if (e.detail == SWT.ARROW) { // Position the menu below and vertically aligned with the the drop down tool button. final ToolItem toolItem = (ToolItem) e.widget; final ToolBar toolBar = toolItem.getParent(); Point point = toolBar.toDisplay(new Point(e.x, e.y)); dropMenu.setLocation(point.x, point.y); dropMenu.setVisible(true); } } }); shell.open(); while(!shell.isDisposed()) { if(!display.readAndDispatch()) display.sleep(); } display.dispose(); } public static void main(String[] args) { new Test(); } } </code></pre>
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    1. COBTW, is it possible for `SWT.DROP_DOWN` toolbar buttons to distinguish between clicks on the normal button (which should directly invoke an action) and clicking the drop-down-area (which should show the drop down menu)?
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    2. COYes it is. The `SelectionEvent e` which you get as parameter of listener method have attribute `e.detail` which is `0` if the button is pushed and `4` (which is value of `SWT.ARROW`) if the arrow is pressed.
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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