public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    final ScrolledComposite sc =
        new ScrolledComposite(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    sc.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
    Composite c = new Composite(sc, SWT.NONE);
    c.setLayout(new GridLayout(10, true));
    for (int i = 0; i < 300; i++) {
      Button b = new Button(c, SWT.PUSH);
      b.setText("Button " + i);
    }
    sc.setContent(c);
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);
    sc.setMinSize(c.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    sc.setShowFocusedControl(true);

    shell.setSize(300, 500);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setLayout(new RowLayout());
   Text text = new Text(shell, SWT.MULTI | SWT.BORDER);
   String modifier = SWT.MOD1 == SWT.CTRL ? "Ctrl" : "Command";
   text.setText("Hit " + modifier + "+Return\nto see\nthe default button\nrun");
   text.addTraverseListener(
       e -> {
         switch (e.detail) {
           case SWT.TRAVERSE_RETURN:
             if ((e.stateMask & SWT.MOD1) != 0) e.doit = true;
         }
       });
   Button button = new Button(shell, SWT.PUSH);
   button.pack();
   button.setText("OK");
   button.addSelectionListener(
       new SelectionAdapter() {
         @Override
         public void widgetSelected(SelectionEvent e) {
           System.out.println("OK selected");
         }
       });
   shell.setDefaultButton(button);
   shell.pack();
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
 }
  public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("SWT and Swing DND Example");
    GridLayout layout = new GridLayout(1, false);
    shell.setLayout(layout);

    Text swtText = new Text(shell, SWT.BORDER);
    swtText.setText("SWT Text");
    GridData data = new GridData(GridData.FILL_HORIZONTAL);
    swtText.setLayoutData(data);
    setDragDrop(swtText);

    Composite comp = new Composite(shell, SWT.EMBEDDED);
    java.awt.Frame frame = SWT_AWT.new_Frame(comp);
    JTextField swingText = new JTextField(40);
    swingText.setText("Swing Text");
    swingText.setDragEnabled(true);
    frame.add(swingText);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.heightHint = swingText.getPreferredSize().height;
    comp.setLayoutData(data);

    shell.setSize(400, 200);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setText("StyledText with underline and strike through");
   shell.setLayout(new FillLayout());
   StyledText text = new StyledText(shell, SWT.BORDER);
   text.setText("0123456789 ABCDEFGHIJKLM NOPQRSTUVWXYZ");
   // make 0123456789 appear underlined
   StyleRange style1 = new StyleRange();
   style1.start = 0;
   style1.length = 10;
   style1.underline = true;
   text.setStyleRange(style1);
   // make ABCDEFGHIJKLM have a strike through
   StyleRange style2 = new StyleRange();
   style2.start = 11;
   style2.length = 13;
   style2.strikeout = true;
   text.setStyleRange(style2);
   // make NOPQRSTUVWXYZ appear underlined and have a strike through
   StyleRange style3 = new StyleRange();
   style3.start = 25;
   style3.length = 13;
   style3.underline = true;
   style3.strikeout = true;
   text.setStyleRange(style3);
   shell.pack();
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
 }
Beispiel #5
0
 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setLayout(new RowLayout());
   Combo combo = new Combo(shell, SWT.NONE);
   combo.setItems(new String[] {"A-1", "B-1", "C-1"});
   Text text = new Text(shell, SWT.SINGLE | SWT.BORDER);
   text.setText("some text");
   combo.addListener(
       SWT.DefaultSelection,
       new Listener() {
         public void handleEvent(Event e) {
           System.out.println(e.widget + " - Default Selection");
         }
       });
   text.addListener(
       SWT.DefaultSelection,
       new Listener() {
         public void handleEvent(Event e) {
           System.out.println(e.widget + " - Default Selection");
         }
       });
   shell.pack();
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
 }
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new RowLayout());

    DateTime calendar = new DateTime(shell, SWT.CALENDAR);
    calendar.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            System.out.println("calendar date changed");
          }
        });

    DateTime time = new DateTime(shell, SWT.TIME);
    time.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            System.out.println("time changed");
          }
        });

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
 static boolean runLoopTimer(final Display display, final Shell shell, final int seconds) {
   final boolean[] timeout = {false};
   new Thread() {
     public void run() {
       try {
         for (int i = 0; i < seconds; i++) {
           Thread.sleep(1000);
           if (display.isDisposed() || shell.isDisposed()) return;
         }
       } catch (Exception e) {
       }
       timeout[0] = true;
       /* wake up the event loop */
       if (!display.isDisposed()) {
         display.asyncExec(
             new Runnable() {
               public void run() {
                 if (!shell.isDisposed()) shell.redraw();
               }
             });
       }
     }
   }.start();
   while (!timeout[0] && !shell.isDisposed()) if (!display.readAndDispatch()) display.sleep();
   return timeout[0];
 }
 public static void main(String[] args) {
   final Display display = new Display();
   final Shell shell = new Shell(display);
   shell.setLayout(new FillLayout());
   final StyledText styledText = new StyledText(shell, SWT.WRAP | SWT.BORDER);
   styledText.setText(text);
   FontData data = display.getSystemFont().getFontData()[0];
   Font font = new Font(display, data.getName(), 16, SWT.BOLD);
   styledText.setFont(font);
   styledText.setForeground(display.getSystemColor(SWT.COLOR_BLUE));
   styledText.addListener(
       SWT.Resize,
       new Listener() {
         public void handleEvent(Event event) {
           Rectangle rect = styledText.getClientArea();
           Image newImage = new Image(display, 1, Math.max(1, rect.height));
           GC gc = new GC(newImage);
           gc.setForeground(display.getSystemColor(SWT.COLOR_WHITE));
           gc.setBackground(display.getSystemColor(SWT.COLOR_YELLOW));
           gc.fillGradientRectangle(rect.x, rect.y, 1, rect.height, true);
           gc.dispose();
           styledText.setBackgroundImage(newImage);
           if (oldImage != null) oldImage.dispose();
           oldImage = newImage;
         }
       });
   shell.setSize(700, 400);
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   if (oldImage != null) oldImage.dispose();
   font.dispose();
   display.dispose();
 }
 public static void main(String[] args) {
   Display display = new Display();
   AddressBook application = new AddressBook();
   Shell shell = application.open(display);
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
 }
Beispiel #10
0
  /** Initialize all ui elements, and then display the window */
  public void Initialize() {
    initMenu();
    initToolbar();
    initCanvas();
    shell.open();

    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
  }
 public static void main(String[] args) {
   Display display = new Display();
   MessageWindow application = new MessageWindow();
   Shell shell = application.open(display);
   if (args.length != 0) {
     application.openAddressBook(args[0]);
   }
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
 }
 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setLayout(new FillLayout());
   final Table table = new Table(shell, SWT.BORDER);
   table.setHeaderVisible(true);
   final TableColumn column1 = new TableColumn(table, SWT.NONE);
   column1.setText("Column 1");
   final TableColumn column2 = new TableColumn(table, SWT.NONE);
   column2.setText("Column 2");
   TableItem item = new TableItem(table, SWT.NONE);
   item.setText(new String[] {"a", "3"});
   item = new TableItem(table, SWT.NONE);
   item.setText(new String[] {"b", "2"});
   item = new TableItem(table, SWT.NONE);
   item.setText(new String[] {"c", "1"});
   column1.setWidth(100);
   column2.setWidth(100);
   Listener sortListener =
       e -> {
         TableItem[] items = table.getItems();
         Collator collator = Collator.getInstance(Locale.getDefault());
         TableColumn column = (TableColumn) e.widget;
         int index = column == column1 ? 0 : 1;
         for (int i = 1; i < items.length; i++) {
           String value1 = items[i].getText(index);
           for (int j = 0; j < i; j++) {
             String value2 = items[j].getText(index);
             if (collator.compare(value1, value2) < 0) {
               String[] values = {items[i].getText(0), items[i].getText(1)};
               items[i].dispose();
               TableItem item1 = new TableItem(table, SWT.NONE, j);
               item1.setText(values);
               items = table.getItems();
               break;
             }
           }
         }
         table.setSortColumn(column);
       };
   column1.addListener(SWT.Selection, sortListener);
   column2.addListener(SWT.Selection, sortListener);
   table.setSortColumn(column1);
   table.setSortDirection(SWT.UP);
   shell.setSize(shell.computeSize(SWT.DEFAULT, SWT.DEFAULT).x, 300);
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
 }
 /** Invokes as a standalone program. */
 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display, SWT.SHELL_TRIM);
   shell.setLayout(new FillLayout());
   ControlExample instance = new ControlExample(shell);
   shell.setText(getResourceString("window.title"));
   setShellSize(instance, shell);
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   instance.dispose();
   display.dispose();
 }
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(2, true));

    final Browser browser;
    try {
      browser = new Browser(shell, SWT.NONE);
    } catch (SWTError e) {
      System.out.println("Could not instantiate Browser: " + e.getMessage());
      display.dispose();
      return;
    }
    GridData data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 2;
    browser.setLayoutData(data);

    Button headersButton = new Button(shell, SWT.PUSH);
    headersButton.setText("Send custom headers");
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    headersButton.setLayoutData(data);
    headersButton.addListener(
        SWT.Selection,
        event ->
            browser.setUrl(
                "http://www.ericgiguere.com/tools/http-header-viewer.html",
                null,
                new String[] {"User-agent: SWT Browser", "Custom-header: this is just a demo"}));
    Button postDataButton = new Button(shell, SWT.PUSH);
    postDataButton.setText("Send post data");
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    postDataButton.setLayoutData(data);
    postDataButton.addListener(
        SWT.Selection,
        event ->
            browser.setUrl(
                "https://bugs.eclipse.org/bugs/buglist.cgi",
                "emailassigned_to1=1&bug_severity=enhancement&bug_status=NEW&email1=platform-swt-inbox&emailtype1=substring",
                null));

    shell.setBounds(10, 10, 600, 600);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    shell.setText("Snippet 346");

    Text text = new Text(shell, SWT.PASSWORD | SWT.BORDER);
    text.setTextChars(new char[] {'p', 'a', 's', 's'});
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
Beispiel #16
0
 public static void main(String[] args) {
   Display display = Display.getDefault();
   Shell shell = new Shell(display);
   @SuppressWarnings("unused")
   MainWindow inst = new MainWindow(shell, SWT.NULL);
   shell.setLayout(new FillLayout());
   shell.setImage(SWTResourceManager.getImage("images/16x16.png"));
   shell.setText("Change This Title");
   shell.setBackgroundImage(SWTResourceManager.getImage("images/ToolbarBackground.gif"));
   shell.layout();
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
 }
 /**
  * Opens the dialog and returns the input
  *
  * @return String
  */
 public String open() {
   // Create the dialog window
   Shell shell = new Shell(getParent(), getStyle());
   shell.setText(getText());
   shell.setImage(UIUtils.getImageRegistry().get("sfdc_icon")); // $NON-NLS-1$
   createContents(shell);
   shell.pack();
   shell.open();
   Display display = getParent().getDisplay();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) {
       display.sleep();
     }
   }
   // Return the entered value, or null
   return input;
 }
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    RowLayout layout = new RowLayout(SWT.HORIZONTAL);
    layout.wrap = true;
    layout.fill = false;
    layout.justify = true;
    shell.setLayout(layout);

    Button b = new Button(shell, SWT.PUSH);
    b.setText("Button 1");
    b = new Button(shell, SWT.PUSH);

    b.setText("Button 2");

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 3");

    b = new Button(shell, SWT.PUSH);
    b.setText("Not shown");
    b.setVisible(false);
    RowData data = new RowData();
    data.exclude = true;
    b.setLayoutData(data);

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 200 high");
    data = new RowData();
    data.height = 200;
    b.setLayoutData(data);

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 200 wide");
    data = new RowData();
    data.width = 200;
    b.setLayoutData(data);

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(2, false));

    final Text text = new Text(shell, SWT.SEARCH | SWT.ICON_CANCEL);
    Image image = null;
    if ((text.getStyle() & SWT.ICON_CANCEL) == 0) {
      image = display.getSystemImage(SWT.ICON_ERROR);
      ToolBar toolBar = new ToolBar(shell, SWT.FLAT);
      ToolItem item = new ToolItem(toolBar, SWT.PUSH);
      item.setImage(image);
      item.addSelectionListener(
          new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
              text.setText("");
              System.out.println("Search cancelled");
            }
          });
    }
    text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    text.setText("Search text");
    text.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetDefaultSelected(SelectionEvent e) {
            if (e.detail == SWT.CANCEL) {
              System.out.println("Search cancelled");
            } else {
              System.out.println("Searching for: " + text.getText() + "...");
            }
          }
        });

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    if (image != null) image.dispose();
    display.dispose();
  }
 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setLayout(new FillLayout());
   shell.setText("Mozilla");
   final Browser browser;
   try {
     browser = new Browser(shell, SWT.MOZILLA);
   } catch (SWTError e) {
     System.out.println("Could not instantiate Browser: " + e.getMessage());
     display.dispose();
     return;
   }
   shell.open();
   browser.setUrl("http://mozilla.org");
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
 }
 public static void main(String[] args) {
   final Display display = new Display();
   final Image image = new Image(display, 16, 16);
   GC gc = new GC(image);
   gc.setBackground(display.getSystemColor(SWT.COLOR_RED));
   gc.fillRectangle(image.getBounds());
   gc.dispose();
   final Shell shell = new Shell(display);
   shell.setText("Lazy Table");
   shell.setLayout(new FillLayout());
   final Table table = new Table(shell, SWT.BORDER | SWT.MULTI);
   table.setSize(200, 200);
   Thread thread =
       new Thread() {
         @Override
         public void run() {
           for (int i = 0; i < 20000; i++) {
             if (table.isDisposed()) return;
             final int[] index = new int[] {i};
             display.syncExec(
                 () -> {
                   if (table.isDisposed()) return;
                   TableItem item = new TableItem(table, SWT.NONE);
                   item.setText("Table Item " + index[0]);
                   item.setImage(image);
                 });
           }
         }
       };
   thread.start();
   shell.setSize(200, 200);
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   image.dispose();
   display.dispose();
 }
 public static void main(String[] args) {
   Display display = new Display();
   final Shell shell = new Shell(display);
   shell.setText("Text Editor");
   Menu bar = new Menu(shell, SWT.BAR);
   shell.setMenuBar(bar);
   MenuItem fileItem = new MenuItem(bar, SWT.CASCADE);
   fileItem.setText("&File");
   Menu fileMenu = new Menu(shell, SWT.DROP_DOWN);
   fileItem.setMenu(fileMenu);
   MenuItem saveItem = new MenuItem(fileMenu, SWT.PUSH);
   saveItem.setText("&Save\tCtrl+S");
   saveItem.setAccelerator(SWT.MOD1 + 'S');
   saveItem.addListener(SWT.Selection, e -> shell.setModified(false));
   MenuItem exitItem = new MenuItem(fileMenu, SWT.PUSH);
   exitItem.setText("Exit");
   exitItem.addListener(SWT.Selection, e -> shell.close());
   Text text = new Text(shell, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
   text.addListener(SWT.Modify, e -> shell.setModified(true));
   shell.addListener(
       SWT.Close,
       e -> {
         if (shell.getModified()) {
           MessageBox box = new MessageBox(shell, SWT.PRIMARY_MODAL | SWT.OK | SWT.CANCEL);
           box.setText(shell.getText());
           box.setMessage("You have unsaved changes, do you want to exit?");
           e.doit = box.open() == SWT.OK;
         }
       });
   shell.setLayout(new FillLayout());
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
 }
  public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    Composite comp = new Composite(shell, SWT.NONE);
    comp.setLayout(new FillLayout());
    GLData data = new GLData();
    data.doubleBuffer = true;
    final GLCanvas canvas = new GLCanvas(comp, SWT.NONE, data);

    canvas.setCurrent();
    try {
      GLContext.useContext(canvas);
    } catch (LWJGLException e) {
      e.printStackTrace();
    }

    canvas.addListener(
        SWT.Resize,
        new Listener() {
          public void handleEvent(Event event) {
            Rectangle bounds = canvas.getBounds();
            float fAspect = (float) bounds.width / (float) bounds.height;
            canvas.setCurrent();
            try {
              GLContext.useContext(canvas);
            } catch (LWJGLException e) {
              e.printStackTrace();
            }
            GL11.glViewport(0, 0, bounds.width, bounds.height);
            GL11.glMatrixMode(GL11.GL_PROJECTION);
            GL11.glLoadIdentity();
            GLU.gluPerspective(45.0f, fAspect, 0.5f, 400.0f);
            GL11.glMatrixMode(GL11.GL_MODELVIEW);
            GL11.glLoadIdentity();
          }
        });

    GL11.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
    GL11.glColor3f(1.0f, 0.0f, 0.0f);
    GL11.glHint(GL11.GL_PERSPECTIVE_CORRECTION_HINT, GL11.GL_NICEST);
    GL11.glClearDepth(1.0);
    GL11.glLineWidth(2);
    GL11.glEnable(GL11.GL_DEPTH_TEST);

    shell.setText("SWT/LWJGL Example");
    shell.setSize(640, 480);
    shell.open();

    display.asyncExec(
        new Runnable() {
          int rot = 0;

          public void run() {
            if (!canvas.isDisposed()) {
              canvas.setCurrent();
              try {
                GLContext.useContext(canvas);
              } catch (LWJGLException e) {
                e.printStackTrace();
              }
              GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
              GL11.glClearColor(.3f, .5f, .8f, 1.0f);
              GL11.glLoadIdentity();
              GL11.glTranslatef(0.0f, 0.0f, -10.0f);
              float frot = rot;
              GL11.glRotatef(0.15f * rot, 2.0f * frot, 10.0f * frot, 1.0f);
              GL11.glRotatef(0.3f * rot, 3.0f * frot, 1.0f * frot, 1.0f);
              rot++;
              GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
              GL11.glColor3f(0.9f, 0.9f, 0.9f);
              drawTorus(1, 1.9f + ((float) Math.sin((0.004f * frot))), 15, 15);
              canvas.swapBuffers();
              display.asyncExec(this);
            }
          }
        });

    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
Beispiel #24
0
  /**
   * Constructor to create an editor to update/create an ontology entry
   *
   * @param display - points back to the display
   * @param oureditOntEntry - the entry being edited
   * @param ontParent - the edited item's parent in the hierarchy
   * @param newItem - true if this is a new item
   */
  public EditOntEntry(
      Display display, OntEntry oureditOntEntry, OntEntry ontParent, boolean newItem) {
    super();
    shell = new Shell(display, SWT.DIALOG_TRIM | SWT.PRIMARY_MODAL);
    shell.setText("OntEntry Information");
    GridLayout gridLayout = new GridLayout();
    gridLayout.numColumns = 3;
    gridLayout.marginHeight = 5;
    gridLayout.makeColumnsEqualWidth = true;
    shell.setLayout(gridLayout);

    ourOntEntry = oureditOntEntry;
    ourParent = ontParent;

    if (newItem) {
      ourOntEntry.setName("");
      ourOntEntry.setImportance(Importance.MODERATE);
    }

    new Label(shell, SWT.NONE).setText("Name:");

    nameField = new Text(shell, SWT.SINGLE | SWT.BORDER | SWT.H_SCROLL);
    nameField.setText(ourOntEntry.getName());
    GridData gridData =
        new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING);
    DisplayUtilities.setTextDimensions(nameField, gridData, 75);
    gridData.horizontalSpan = 2;
    nameField.setLayoutData(gridData);

    new Label(shell, SWT.NONE).setText("Description:");

    descArea = new Text(shell, SWT.MULTI | SWT.WRAP | SWT.BORDER | SWT.V_SCROLL);
    descArea.setText(ourOntEntry.getDescription());
    gridData = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
    DisplayUtilities.setTextDimensions(descArea, gridData, 75, 5);
    gridData.horizontalSpan = 2;
    gridData.heightHint = descArea.getLineHeight() * 3;
    descArea.setLayoutData(gridData);

    new Label(shell, SWT.NONE).setText("Importance:");
    importanceBox = new Combo(shell, SWT.DROP_DOWN | SWT.READ_ONLY);
    Enumeration impEnum = Importance.elements();
    int l = 0;
    Importance itype;
    while (impEnum.hasMoreElements()) {
      itype = (Importance) impEnum.nextElement();
      importanceBox.add(itype.toString());
      if (itype.toString().compareTo(ourOntEntry.getImportance().toString()) == 0) {
        importanceBox.select(l);
      }
      l++;
    }
    // Error checking: if no such selection is valid, set it to select index 0
    if (importanceBox.getSelectionIndex() == -1) {
      importanceBox.select(0);
    }
    importanceBox.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    new Label(shell, SWT.NONE).setText(" ");
    new Label(shell, SWT.NONE).setText(" ");

    addButton = new Button(shell, SWT.PUSH);
    gridData = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING);
    addButton.setLayoutData(gridData);
    if (newItem) {
      addButton.setText("Add");
      addButton.addSelectionListener(
          new SelectionAdapter() {

            public void widgetSelected(SelectionEvent event) {
              canceled = false;
              if (!nameField.getText().trim().equals("")) {
                ConsistencyChecker checker =
                    new ConsistencyChecker(ourOntEntry.getID(), nameField.getText(), "OntEntries");

                if (ourOntEntry.getName() == nameField.getText() || checker.check()) {
                  ourParent.addChild(ourOntEntry);
                  ourOntEntry.setLevel(ourParent.getLevel() + 1);
                  ourOntEntry.setName(nameField.getText());
                  ourOntEntry.setDescription(descArea.getText());
                  ourOntEntry.setImportance(
                      Importance.fromString(
                          importanceBox.getItem(importanceBox.getSelectionIndex())));

                  // comment before this made no sense...
                  ourOntEntry.setID(ourOntEntry.toDatabase(ourParent.getID()));
                  System.out.println("Name of added item = " + ourOntEntry.getName());

                  shell.close();
                  shell.dispose();
                }
              } else {
                MessageBox mbox = new MessageBox(shell, SWT.ICON_ERROR);
                mbox.setMessage("Need to provide the OntEntry name");
                mbox.open();
              }
            }
          });

    } else {
      addButton.setText("Save");
      addButton.addSelectionListener(
          new SelectionAdapter() {

            public void widgetSelected(SelectionEvent event) {
              canceled = false;

              ConsistencyChecker checker =
                  new ConsistencyChecker(ourOntEntry.getID(), nameField.getText(), "OntEntries");

              if (ourOntEntry.getName() == nameField.getText() || checker.check()) {
                ourOntEntry.setName(nameField.getText());
                ourOntEntry.setDescription(descArea.getText());
                ourOntEntry.setImportance(
                    Importance.fromString(
                        importanceBox.getItem(importanceBox.getSelectionIndex())));
                // since this is a save, not an add, the type and parent are ignored
                ourOntEntry.setID(ourOntEntry.toDatabase(0));

                //			RationaleDB db = RationaleDB.getHandle();
                //			db.addOntEntry(ourOntEntry);

                shell.close();
                shell.dispose();
              }
            }
          });
    }

    cancelButton = new Button(shell, SWT.PUSH);
    cancelButton.setText("Cancel");
    gridData = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING);
    cancelButton.setLayoutData(gridData);
    cancelButton.addSelectionListener(
        new SelectionAdapter() {

          public void widgetSelected(SelectionEvent event) {
            canceled = true;
            shell.close();
            shell.dispose();
          }
        });

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
  }
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(2, false));

    final Text text = new Text(shell, SWT.BORDER);
    text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
    Button go = new Button(shell, SWT.PUSH);
    go.setText("Go");
    OleFrame oleFrame = new OleFrame(shell, SWT.NONE);
    oleFrame.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
    OleControlSite controlSite;
    OleAutomation automation;
    try {
      controlSite = new OleControlSite(oleFrame, SWT.NONE, "Shell.Explorer");
      automation = new OleAutomation(controlSite);
      controlSite.doVerb(OLE.OLEIVERB_INPLACEACTIVATE);
    } catch (SWTException ex) {
      System.out.println("Unable to open activeX control");
      display.dispose();
      return;
    }

    final OleAutomation auto = automation;
    go.addListener(
        SWT.Selection,
        new Listener() {
          public void handleEvent(Event e) {
            String url = text.getText();
            int[] rgdispid = auto.getIDsOfNames(new String[] {"Navigate", "URL"});
            int dispIdMember = rgdispid[0];
            Variant[] rgvarg = new Variant[1];
            rgvarg[0] = new Variant(url);
            int[] rgdispidNamedArgs = new int[1];
            rgdispidNamedArgs[0] = rgdispid[1];
            auto.invoke(dispIdMember, rgvarg, rgdispidNamedArgs);
          }
        });

    // Read PostData whenever we navigate to a site that uses it
    int BeforeNavigate2 = 0xfa;
    controlSite.addEventListener(
        BeforeNavigate2,
        new OleListener() {
          public void handleEvent(OleEvent event) {
            Variant url = event.arguments[1];
            Variant postData = event.arguments[4];
            if (postData != null) {
              System.out.println(
                  "PostData = " + readSafeArray(postData) + ", URL = " + url.getString());
            }
          }
        });

    // Navigate to this web site which uses post data to fill in the text field
    // and put the string "hello world" into the text box
    text.setText("file://" + Snippet186.class.getResource("Snippet186.html").getFile());
    int[] rgdispid = automation.getIDsOfNames(new String[] {"Navigate", "URL", "PostData"});
    int dispIdMember = rgdispid[0];
    Variant[] rgvarg = new Variant[2];
    rgvarg[0] = new Variant(text.getText());
    rgvarg[1] = writeSafeArray("hello world");
    int[] rgdispidNamedArgs = new int[2];
    rgdispidNamedArgs[0] = rgdispid[1];
    rgdispidNamedArgs[1] = rgdispid[2];
    automation.invoke(dispIdMember, rgvarg, rgdispidNamedArgs);

    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
  protected String[] getAuthenticationDialog(final String realm, final String location) {
    final Display display = SWTThread.getInstance().getDisplay();

    if (display.isDisposed()) {

      return (null);
    }

    final AESemaphore sem = new AESemaphore("SWTAuth");

    final authDialog[] dialog = new authDialog[1];

    TOTorrent torrent = TorrentUtils.getTLSTorrent();

    final boolean is_tracker;
    final String details;

    if (torrent == null) {

      is_tracker = false;

      details = TorrentUtils.getTLSDescription();

    } else {

      details = TorrentUtils.getLocalisedName(torrent);
      is_tracker = true;
    }

    try {
      if (display.getThread() == Thread.currentThread()) {

        dialog[0] = new authDialog(sem, display, realm, is_tracker, location, details);

        while (!(display.isDisposed() || sem.isReleasedForever())) {

          if (!display.readAndDispatch()) {

            display.sleep();
          }
        }

        if (display.isDisposed()) {

          return (null);
        }
      } else {

        display.asyncExec(
            new AERunnable() {
              public void runSupport() {
                dialog[0] = new authDialog(sem, display, realm, is_tracker, location, details);
              }
            });
      }
    } catch (Throwable e) {

      Debug.printStackTrace(e);

      return (null);
    }

    sem.reserve();

    String user = dialog[0].getUsername();
    String pw = dialog[0].getPassword();
    String persist = dialog[0].savePassword() ? "true" : "false";

    if (user == null) {

      return (null);
    }

    return (new String[] {user, pw == null ? "" : pw, persist});
  }
  public static void main(String[] args) {
    final ImageFileNameProvider filenameProvider =
        new ImageFileNameProvider() {
          @Override
          public String getImagePath(int zoom) {
            switch (zoom) {
              case 150:
                return IMAGE_PATH_150;
              case 200:
                return IMAGE_PATH_200;
              default:
                return IMAGE_PATH_100;
            }
          }
        };
    final ImageDataProvider imageDataProvider =
        new ImageDataProvider() {
          @Override
          public ImageData getImageData(int zoom) {
            switch (zoom) {
              case 150:
                return new ImageData(IMAGE_PATH_150);
              case 200:
                return new ImageData(IMAGE_PATH_200);
              default:
                return new ImageData(IMAGE_PATH_100);
            }
          }
        };

    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(2, false));

    new Label(shell, SWT.NONE).setText(IMAGE_200 + ":");
    new Label(shell, SWT.NONE).setImage(new Image(display, IMAGE_PATH_200));

    new Label(shell, SWT.NONE).setText(IMAGE_150 + ":");
    new Label(shell, SWT.NONE).setImage(new Image(display, IMAGE_PATH_150));

    new Label(shell, SWT.NONE).setText(IMAGE_100 + ":");
    new Label(shell, SWT.NONE).setImage(new Image(display, IMAGE_PATH_100));

    new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL)
        .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));

    new Label(shell, SWT.NONE).setText("ImageFileNameProvider:");
    new Label(shell, SWT.NONE).setImage(new Image(display, filenameProvider));

    new Label(shell, SWT.NONE).setText("ImageDataProvider:");
    new Label(shell, SWT.NONE).setImage(new Image(display, imageDataProvider));

    new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL)
        .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));

    new Label(shell, SWT.NONE).setText("Canvas\n(PaintListener)");
    final Point size = new Point(550, 35);
    final Canvas canvas = new Canvas(shell, SWT.NONE);
    canvas.addPaintListener(
        new PaintListener() {
          @Override
          public void paintControl(PaintEvent e) {
            Point size = canvas.getSize();
            paintImage(e.gc, size);
          }
        });
    canvas.setLayoutData(new GridData(size.x, size.y));

    new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL)
        .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));

    new Label(shell, SWT.NONE).setText("Painted image\n (default resolution)");
    Image image = new Image(display, size.x, size.y);
    GC gc = new GC(image);
    try {
      paintImage(gc, size);
    } finally {
      gc.dispose();
    }
    new Label(shell, SWT.NONE).setImage(image);

    new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL)
        .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));

    new Label(shell, SWT.NONE).setText("Painted image\n(multi-res, unzoomed paint)");
    new Label(shell, SWT.NONE)
        .setImage(
            new Image(
                display,
                new ImageDataProvider() {
                  @Override
                  public ImageData getImageData(int zoom) {
                    Image temp = new Image(display, size.x * zoom / 100, size.y * zoom / 100);
                    GC gc = new GC(temp);
                    try {
                      paintImage(gc, size);
                      return temp.getImageData();
                    } finally {
                      gc.dispose();
                      temp.dispose();
                    }
                  }
                }));

    new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL)
        .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));

    new Label(shell, SWT.NONE).setText("Painted image\n(multi-res, zoomed paint)");
    new Label(shell, SWT.NONE)
        .setImage(
            new Image(
                display,
                new ImageDataProvider() {
                  @Override
                  public ImageData getImageData(int zoom) {
                    Image temp = new Image(display, size.x * zoom / 100, size.y * zoom / 100);
                    GC gc = new GC(temp);
                    try {
                      paintImage2(
                          gc, new Point(size.x * zoom / 100, size.y * zoom / 100), zoom / 100);
                      return temp.getImageData();
                    } finally {
                      gc.dispose();
                      temp.dispose();
                    }
                  }
                }));

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
  public static void main(String[] args) {
    Shell shell = new Shell();
    Display display = shell.getDisplay();
    shell.setLayout(new FillLayout());
    shell.setText("ExpandBar Example");

    Menu menubar = new Menu(shell, SWT.BAR);
    shell.setMenuBar(menubar);
    MenuItem fileItem = new MenuItem(menubar, SWT.CASCADE);
    fileItem.setText("&File");
    Menu submenu = new Menu(shell, SWT.DROP_DOWN);
    fileItem.setMenu(submenu);
    item = new MenuItem(submenu, SWT.PUSH);
    item.setText("New ExpandItem");

    bar = new ExpandBar(shell, SWT.V_SCROLL);
    image = display.getSystemImage(SWT.ICON_QUESTION);

    // First item
    Composite composite = new Composite(bar, SWT.NONE);
    Menu popupmenu = new Menu(shell, SWT.POP_UP);
    MenuItem popupItem = new MenuItem(popupmenu, SWT.PUSH);
    popupItem.setText("Popup");
    composite.setMenu(popupmenu);

    GridLayout layout = new GridLayout(2, false);
    layout.marginLeft = layout.marginTop = layout.marginRight = layout.marginBottom = 10;
    layout.verticalSpacing = 10;
    composite.setLayout(layout);
    Label label = new Label(composite, SWT.NONE);
    label.setImage(display.getSystemImage(SWT.ICON_ERROR));
    label = new Label(composite, SWT.NONE);
    label.setText("SWT.ICON_ERROR");
    label = new Label(composite, SWT.NONE);
    label.setImage(display.getSystemImage(SWT.ICON_INFORMATION));
    label = new Label(composite, SWT.NONE);
    label.setText("SWT.ICON_INFORMATION");
    label = new Label(composite, SWT.NONE);
    label.setImage(display.getSystemImage(SWT.ICON_WARNING));
    label = new Label(composite, SWT.NONE);
    label.setText("SWT.ICON_WARNING");
    label = new Label(composite, SWT.NONE);
    label.setImage(display.getSystemImage(SWT.ICON_QUESTION));
    label = new Label(composite, SWT.NONE);
    label.setText("SWT.ICON_QUESTION");
    ExpandItem item1 = new ExpandItem(bar, SWT.NONE);
    item1.setText("What is your favorite icon");
    item1.setHeight(composite.computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
    item1.setControl(composite);
    item1.setImage(image);

    // Second item
    composite = new Composite(bar, SWT.NONE);
    layout = new GridLayout(2, true);
    layout.marginLeft = layout.marginTop = layout.marginRight = layout.marginBottom = 10;
    layout.verticalSpacing = 10;
    composite.setLayout(layout);
    Button button1 = new Button(composite, SWT.PUSH);
    button1.setText("Button 1");
    Button button2 = new Button(composite, SWT.PUSH);
    button2.setText("Button 2");

    ExpandItem item0 = new ExpandItem(bar, SWT.NONE);
    item0.setText("What is your favorite button");
    item0.setHeight(composite.computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
    item0.setControl(composite);
    item0.setImage(image);
    item0.setExpanded(false);

    item.addListener(
        SWT.Selection,
        new Listener() {
          @Override
          public void handleEvent(Event e) {
            ExpandItem item2 = new ExpandItem(bar, SWT.NONE);
            Composite composite = new Composite(bar, SWT.NONE);
            GridLayout layout = new GridLayout(2, false);
            composite.setLayout(layout);
            Label label = new Label(composite, SWT.NONE);
            label.setText("What is your name?");
            Composite pcomposite = new Composite(composite, SWT.NONE);
            Text text = new Text(pcomposite, SWT.NONE);
            item2.setText("New Question");
            text.pack();
            composite.pack();
            Point size = composite.computeSize(SWT.DEFAULT, SWT.DEFAULT);
            item2.setHeight(size.y);
            item2.setControl(composite);
            item2.setImage(image);
            item2.setExpanded(true);
          }
        });

    bar.setSpacing(8);
    shell.setSize(400, 550);
    shell.open();
    System.out.println("------------------------------");
    System.out.println("getSize: " + button1.getSize());
    System.out.println("getBounds: " + button1.getBounds());
    System.out.println("computeSize: " + button1.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    System.out.println("getLocation: " + button1.getLocation());

    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    image.dispose();
    display.dispose();
  }
  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    GridLayout gridLayout = new GridLayout();
    gridLayout.numColumns = 3;
    shell.setLayout(gridLayout);
    ToolBar toolbar = new ToolBar(shell, SWT.NONE);
    ToolItem itemBack = new ToolItem(toolbar, SWT.PUSH);
    itemBack.setText("Back");
    ToolItem itemForward = new ToolItem(toolbar, SWT.PUSH);
    itemForward.setText("Forward");
    ToolItem itemStop = new ToolItem(toolbar, SWT.PUSH);
    itemStop.setText("Stop");
    ToolItem itemRefresh = new ToolItem(toolbar, SWT.PUSH);
    itemRefresh.setText("Refresh");
    ToolItem itemGo = new ToolItem(toolbar, SWT.PUSH);
    itemGo.setText("Go");

    GridData data = new GridData();
    data.horizontalSpan = 3;
    toolbar.setLayoutData(data);

    Label labelAddress = new Label(shell, SWT.NONE);
    labelAddress.setText("Address");

    final Text location = new Text(shell, SWT.BORDER);
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.horizontalSpan = 2;
    data.grabExcessHorizontalSpace = true;
    location.setLayoutData(data);

    final Browser browser;
    try {
      browser = new Browser(shell, SWT.NONE);
    } catch (SWTError e) {
      System.out.println("Could not instantiate Browser: " + e.getMessage());
      display.dispose();
      return;
    }
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.verticalAlignment = GridData.FILL;
    data.horizontalSpan = 3;
    data.grabExcessHorizontalSpace = true;
    data.grabExcessVerticalSpace = true;
    browser.setLayoutData(data);

    final Label status = new Label(shell, SWT.NONE);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    status.setLayoutData(data);

    final ProgressBar progressBar = new ProgressBar(shell, SWT.NONE);
    data = new GridData();
    data.horizontalAlignment = GridData.END;
    progressBar.setLayoutData(data);

    /* event handling */
    Listener listener =
        new Listener() {
          @Override
          public void handleEvent(Event event) {
            ToolItem item = (ToolItem) event.widget;
            String string = item.getText();
            if (string.equals("Back")) browser.back();
            else if (string.equals("Forward")) browser.forward();
            else if (string.equals("Stop")) browser.stop();
            else if (string.equals("Refresh")) browser.refresh();
            else if (string.equals("Go")) browser.setUrl(location.getText());
          }
        };
    browser.addProgressListener(
        new ProgressListener() {
          @Override
          public void changed(ProgressEvent event) {
            if (event.total == 0) return;
            int ratio = event.current * 100 / event.total;
            progressBar.setSelection(ratio);
          }

          @Override
          public void completed(ProgressEvent event) {
            progressBar.setSelection(0);
          }
        });
    browser.addStatusTextListener(
        new StatusTextListener() {
          @Override
          public void changed(StatusTextEvent event) {
            status.setText(event.text);
          }
        });
    browser.addLocationListener(
        new LocationListener() {
          @Override
          public void changed(LocationEvent event) {
            if (event.top) location.setText(event.location);
          }

          @Override
          public void changing(LocationEvent event) {}
        });
    itemBack.addListener(SWT.Selection, listener);
    itemForward.addListener(SWT.Selection, listener);
    itemStop.addListener(SWT.Selection, listener);
    itemRefresh.addListener(SWT.Selection, listener);
    itemGo.addListener(SWT.Selection, listener);
    location.addListener(
        SWT.DefaultSelection,
        new Listener() {
          @Override
          public void handleEvent(Event e) {
            browser.setUrl(location.getText());
          }
        });

    shell.open();
    browser.setUrl("http://eclipse.org");

    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
  public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    final Tree tree = new Tree(shell, SWT.FULL_SELECTION | SWT.BORDER);
    tree.setHeaderVisible(true);
    TreeColumn column0 = new TreeColumn(tree, SWT.LEFT);
    column0.setText("Column 0");
    TreeColumn column1 = new TreeColumn(tree, SWT.LEFT);
    column1.setText("Column 1");
    TreeColumn column2 = new TreeColumn(tree, SWT.LEFT);
    column2.setText("Column 2");
    for (int i = 0; i < 9; i++) {
      TreeItem item = new TreeItem(tree, SWT.NONE);
      item.setText("item " + i);
      item.setText(1, "column 1 - " + i);
      item.setText(2, "column 2 - " + i);
      for (int j = 0; j < 9; j++) {
        TreeItem subItem = new TreeItem(item, SWT.NONE);
        subItem.setText("item " + i + " " + j);
        subItem.setText(1, "column 1 - " + i + " " + j);
        subItem.setText(2, "column 2 - " + i + " " + j);
        for (int k = 0; k < 9; k++) {
          TreeItem subsubItem = new TreeItem(subItem, SWT.NONE);
          subsubItem.setText("item " + i + " " + j + " " + k);
          subsubItem.setText(1, "column 1 - " + i + " " + j + " " + k);
          subsubItem.setText(2, "column 2 - " + i + " " + j + " " + k);
        }
      }
    }
    column0.pack();
    column1.pack();
    column2.pack();

    Heartbeat =
        new Runnable() {
          @Override
          public void run() {
            if (!Tracking || tree.isDisposed()) return;
            Point cursor = display.getCursorLocation();
            cursor = display.map(null, tree, cursor);
            Scroll(tree, cursor.x, cursor.y);
            display.timerExec(ScrollSpeed, Heartbeat);
          }
        };
    Listener listener =
        new Listener() {
          @Override
          public void handleEvent(Event event) {
            switch (event.type) {
              case SWT.MouseEnter:
                Tracking = true;
                display.timerExec(0, Heartbeat);
                break;
              case SWT.MouseExit:
                Tracking = false;
                break;
            }
          }
        };
    tree.addListener(SWT.MouseEnter, listener);
    tree.addListener(SWT.MouseExit, listener);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }