Exemple #1
0
  public View(Controller controller) {
    this.controller = controller;
    display = new Display();
    shell = new Shell(display);
    shell.setText("Gallant Animation Viewer");

    shell.setLayout(new GridLayout());
  }
 public void setTitle(String title, boolean append) {
   String text;
   if (append == true) {
     text = RadarConsts.PROGRAM_NAME + " " + RadarConsts.VERSION + " - " + title;
   } else {
     text = title;
   }
   mapShell.setText(text);
 }
  public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Widget");

    final Table table = new Table(shell, SWT.MULTI);
    table.setLinesVisible(true);
    table.setBounds(10, 10, 100, 100);
    for (int i = 0; i < 9; i++) {
      new TableItem(table, SWT.NONE).setText("item" + i);
    }

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Capture");
    button.pack();
    button.setLocation(10, 140);
    button.addListener(
        SWT.Selection,
        event -> {
          Point tableSize = table.getSize();
          GC gc = new GC(table);
          final Image image = new Image(display, tableSize.x, tableSize.y);
          gc.copyArea(image, 0, 0);
          gc.dispose();

          Shell popup = new Shell(shell);
          popup.setText("Image");
          popup.addListener(SWT.Close, e -> image.dispose());

          Canvas canvas = new Canvas(popup, SWT.NONE);
          canvas.setBounds(10, 10, tableSize.x + 10, tableSize.y + 10);
          canvas.addPaintListener(e -> e.gc.drawImage(image, 0, 0));
          popup.pack();
          popup.open();
        });
    shell.pack();
    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 = 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();
   }
 }
  private boolean save() {
    if (file == null) return saveAs();

    Cursor waitCursor = new Cursor(shell.getDisplay(), SWT.CURSOR_WAIT);
    shell.setCursor(waitCursor);

    TableItem[] items = table.getItems();
    String[] lines = new String[items.length];
    for (int i = 0; i < items.length; i++) {
      String[] itemText = new String[table.getColumnCount()];
      for (int j = 0; j < itemText.length; j++) {
        itemText[j] = items[i].getText(j);
      }
      lines[i] = encodeLine(itemText);
    }

    FileWriter fileWriter = null;
    try {
      fileWriter = new FileWriter(file.getAbsolutePath(), false);
      for (int i = 0; i < lines.length; i++) {
        fileWriter.write(lines[i]);
      }
    } catch (FileNotFoundException e) {
      displayError(resMessages.getString("File_not_found") + "\n" + file.getName());
      return false;
    } catch (IOException e) {
      displayError(resMessages.getString("IO_error_write") + "\n" + file.getName());
      return false;
    } finally {
      shell.setCursor(null);
      waitCursor.dispose();

      if (fileWriter != null) {
        try {
          fileWriter.close();
        } catch (IOException e) {
          displayError(resMessages.getString("IO_error_close") + "\n" + file.getName());
          return false;
        }
      }
    }

    shell.setText(resMessages.getString("Title_bar") + file.getName());
    isModified = false;
    return true;
  }
  MapShell(Display parent) {
    display = parent;
    mapShell = new Shell(display, SWT.MIN | SWT.CLOSE | SWT.RESIZE);
    mapShell.setText(RadarConsts.PROGRAM_NAME + " " + RadarConsts.VERSION);
    mapShell.addDisposeListener(
        new DisposeListener() {
          public void widgetDisposed(DisposeEvent e) {
            saveWindowPosition();
          }
        });
    mapShell.addListener(
        SWT.Resize,
        new Listener() {
          public void handleEvent(Event event) {
            renderMap();
          }
        });

    mapShell.setBackground(parent.getSystemColor(SWT.COLOR_BLACK));
  }
 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, SWT.SHELL_TRIM | SWT.DOUBLE_BUFFERED);
   shell.setText("Underline, Strike Out");
   Font font = shell.getFont();
   String text = "Here is some text that is underlined or struck out or both.";
   final TextLayout layout = new TextLayout(display);
   layout.setText(text);
   TextStyle style1 = new TextStyle(font, null, null);
   style1.underline = true;
   layout.setStyle(style1, 26, 35);
   TextStyle style2 = new TextStyle(font, null, null);
   style2.strikeout = true;
   layout.setStyle(style2, 40, 49);
   TextStyle style3 = new TextStyle(font, null, null);
   style3.underline = true;
   style3.strikeout = true;
   layout.setStyle(style3, 54, 57);
   shell.addListener(
       SWT.Paint,
       new Listener() {
         @Override
         public void handleEvent(Event event) {
           Point point = new Point(10, 10);
           int width = shell.getClientArea().width - 2 * point.x;
           layout.setWidth(width);
           layout.draw(event.gc, point.x, point.y);
         }
       });
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) display.sleep();
   }
   layout.dispose();
   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();
  }
  private void openAddressBook() {
    FileDialog fileDialog = new FileDialog(shell, SWT.OPEN);

    fileDialog.setFilterExtensions(new String[] {"*.adr;", "*.*"});
    fileDialog.setFilterNames(
        new String[] {
          resAddressBook.getString("Book_filter_name") + " (*.adr)",
          resAddressBook.getString("All_filter_name") + " (*.*)"
        });
    String name = fileDialog.open();

    if (name == null) return;
    File file = new File(name);
    if (!file.exists()) {
      displayError(
          resAddressBook.getString("File")
              + file.getName()
              + " "
              + resAddressBook.getString("Does_not_exist"));
      return;
    }

    Cursor waitCursor = shell.getDisplay().getSystemCursor(SWT.CURSOR_WAIT);
    shell.setCursor(waitCursor);

    FileReader fileReader = null;
    BufferedReader bufferedReader = null;
    String[] data = new String[0];
    try {
      fileReader = new FileReader(file.getAbsolutePath());
      bufferedReader = new BufferedReader(fileReader);
      String nextLine = bufferedReader.readLine();
      while (nextLine != null) {
        String[] newData = new String[data.length + 1];
        System.arraycopy(data, 0, newData, 0, data.length);
        newData[data.length] = nextLine;
        data = newData;
        nextLine = bufferedReader.readLine();
      }
    } catch (FileNotFoundException e) {
      displayError(resAddressBook.getString("File_not_found") + "\n" + file.getName());
      return;
    } catch (IOException e) {
      displayError(resAddressBook.getString("IO_error_read") + "\n" + file.getName());
      return;
    } finally {

      shell.setCursor(null);

      if (fileReader != null) {
        try {
          fileReader.close();
        } catch (IOException e) {
          displayError(resAddressBook.getString("IO_error_close") + "\n" + file.getName());
          return;
        }
      }
    }

    String[][] tableInfo = new String[data.length][table.getColumnCount()];
    int writeIndex = 0;
    for (int i = 0; i < data.length; i++) {
      String[] line = decodeLine(data[i]);
      if (line != null) tableInfo[writeIndex++] = line;
    }
    if (writeIndex != data.length) {
      String[][] result = new String[writeIndex][table.getColumnCount()];
      System.arraycopy(tableInfo, 0, result, 0, writeIndex);
      tableInfo = result;
    }
    Arrays.sort(tableInfo, new RowComparator(0));

    for (int i = 0; i < tableInfo.length; i++) {
      TableItem item = new TableItem(table, SWT.NONE);
      item.setText(tableInfo[i]);
    }
    shell.setText(resAddressBook.getString("Title_bar") + fileDialog.getFileName());
    isModified = false;
    this.file = file;
  }
 private void newAddressBook() {
   shell.setText(resAddressBook.getString("Title_bar") + resAddressBook.getString("New_title"));
   file = null;
   isModified = false;
 }
  private void openAddressBook(String name) {
    if (name == null) return;
    File file = new File(name);
    if (!file.exists()) {
      displayError(
          resMessages.getString("File")
              + file.getName()
              + " "
              + resMessages.getString("Does_not_exist"));
      return;
    }

    Cursor waitCursor = new Cursor(shell.getDisplay(), SWT.CURSOR_WAIT);
    shell.setCursor(waitCursor);

    FileReader fileReader = null;
    BufferedReader bufferedReader = null;
    String[] data = new String[0];
    try {
      fileReader = new FileReader(file.getAbsolutePath());
      bufferedReader = new BufferedReader(fileReader);
      String nextLine = bufferedReader.readLine();
      while (nextLine != null) {
        String[] newData = new String[data.length + 1];
        System.arraycopy(data, 0, newData, 0, data.length);
        newData[data.length] = nextLine;
        data = newData;
        nextLine = bufferedReader.readLine();
      }
    } catch (FileNotFoundException e) {
      displayError(resMessages.getString("File_not_found") + "\n" + file.getName());
      return;
    } catch (IOException e) {
      displayError(resMessages.getString("IO_error_read") + "\n" + file.getName());
      return;
    } finally {

      shell.setCursor(null);
      waitCursor.dispose();

      if (fileReader != null) {
        try {
          fileReader.close();
        } catch (IOException e) {
          displayError(resMessages.getString("IO_error_close") + "\n" + file.getName());
          return;
        }
      }
    }

    String[][] tableInfo = new String[data.length][table.getColumnCount()];
    for (int i = 0; i < data.length; i++) {
      tableInfo[i] = decodeLine(data[i]);
    }

    Arrays.sort(tableInfo, new RowComparator(0));

    for (int i = 0; i < tableInfo.length; i++) {
      TableItem item = new TableItem(table, SWT.NONE);
      item.setText(tableInfo[i]);
    }
    shell.setText(resMessages.getString("Title_bar") + file.getName());
    isModified = false;
    this.file = file;
  }
  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 Shell open(Display display) {
    clipboard = new Clipboard(display);
    shell = new Shell(display);
    shell.setText("SWT Clipboard");
    shell.setLayout(new FillLayout());

    ScrolledComposite sc = new ScrolledComposite(shell, SWT.H_SCROLL | SWT.V_SCROLL);
    Composite parent = new Composite(sc, SWT.NONE);
    sc.setContent(parent);
    parent.setLayout(new GridLayout(2, true));

    Group copyGroup = new Group(parent, SWT.NONE);
    copyGroup.setText("Copy From:");
    GridData data = new GridData(GridData.FILL_BOTH);
    copyGroup.setLayoutData(data);
    copyGroup.setLayout(new GridLayout(3, false));

    Group pasteGroup = new Group(parent, SWT.NONE);
    pasteGroup.setText("Paste To:");
    data = new GridData(GridData.FILL_BOTH);
    pasteGroup.setLayoutData(data);
    pasteGroup.setLayout(new GridLayout(3, false));

    Group controlGroup = new Group(parent, SWT.NONE);
    controlGroup.setText("Control API:");
    data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 2;
    controlGroup.setLayoutData(data);
    controlGroup.setLayout(new GridLayout(5, false));

    Group typesGroup = new Group(parent, SWT.NONE);
    typesGroup.setText("Available Types");
    data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 2;
    typesGroup.setLayoutData(data);
    typesGroup.setLayout(new GridLayout(2, false));

    status = new Label(parent, SWT.BORDER);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    data.heightHint = 60;
    status.setLayoutData(data);

    createTextTransfer(copyGroup, pasteGroup);
    createRTFTransfer(copyGroup, pasteGroup);
    createHTMLTransfer(copyGroup, pasteGroup);
    createFileTransfer(copyGroup, pasteGroup);
    createMyTransfer(copyGroup, pasteGroup);
    createControlTransfer(controlGroup);
    createAvailableTypes(typesGroup);

    sc.setMinSize(parent.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);

    Point size = shell.computeSize(SWT.DEFAULT, SWT.DEFAULT);
    Rectangle monitorArea = shell.getMonitor().getClientArea();
    shell.setSize(
        Math.min(size.x, monitorArea.width - 20), Math.min(size.y, monitorArea.height - 20));
    shell.open();
    return shell;
  }
  public static void main(String[] args) {
    final Display display = new Display();
    final Clipboard clipboard = new Clipboard(display);
    final Shell shell = new Shell(display, SWT.SHELL_TRIM);
    shell.setLayout(new GridLayout());
    shell.setText("Clipboard ImageTransfer");

    final Button imageButton = new Button(shell, SWT.NONE);
    GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    gd.minimumHeight = 400;
    gd.minimumWidth = 600;
    imageButton.setLayoutData(gd);

    final Text imageText = new Text(shell, SWT.BORDER);
    imageText.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));

    Composite buttons = new Composite(shell, SWT.NONE);
    buttons.setLayout(new GridLayout(4, true));
    Button button = new Button(buttons, SWT.PUSH);
    button.setText("Open");
    button.addListener(
        SWT.Selection,
        event -> {
          FileDialog dialog = new FileDialog(shell, SWT.OPEN);
          dialog.setText("Open an image file or cancel");
          String string = dialog.open();
          if (string != null) {
            imageButton.setText("");
            Image image = imageButton.getImage();
            if (image != null) image.dispose();
            image = new Image(display, string);
            imageButton.setImage(image);
            imageText.setText(string);
          }
        });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Copy");
    button.addListener(
        SWT.Selection,
        event -> {
          Image image = imageButton.getImage();
          if (image != null) {
            ImageTransfer imageTransfer = ImageTransfer.getInstance();
            TextTransfer textTransfer = TextTransfer.getInstance();
            clipboard.setContents(
                new Object[] {image.getImageData(), imageText.getText()},
                new Transfer[] {imageTransfer, textTransfer});
          }
        });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Paste");
    button.addListener(
        SWT.Selection,
        event -> {
          ImageData imageData = (ImageData) clipboard.getContents(ImageTransfer.getInstance());
          if (imageData != null) {
            imageButton.setText("");
            Image image = imageButton.getImage();
            if (image != null) image.dispose();
            image = new Image(display, imageData);
            imageButton.setImage(image);
          } else {
            imageButton.setText("No image");
            imageButton.setImage(null);
          }
          String text = (String) clipboard.getContents(TextTransfer.getInstance());
          if (text != null) {
            imageText.setText(text);
          } else {
            imageText.setText("");
          }
        });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Clear");
    button.addListener(
        SWT.Selection,
        event -> {
          imageButton.setText("");
          Image image = imageButton.getImage();
          if (image != null) image.dispose();
          imageButton.setImage(null);
          imageText.setText("");
        });

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