Shell: getDisplay() : Shell « org.eclipse.swt.widgets « Java by API

1. Java by API
2. org.eclipse.swt.widgets
3. Shell

Shell: getDisplay()

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FontDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;

public class MainClass {

  public static void main(String[] a) {
    Display display = new Display();
    // Create the main window
    final Shell shell = new Shell(display);

    shell.setLayout(new GridLayout(2, false));

    final Label fontLabel = new Label(shell, SWT.NONE);
    fontLabel.setText("The selected font");

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Font...");
    button.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent event) {
        // Create the color-change dialog
        FontDialog dlg = new FontDialog(shell);
        Font font = null;
        Color color = null;

        if (font != null)
          dlg.setFontList(fontLabel.getFont().getFontData());
        if (color != null)
          dlg.setRGB(color.getRGB());

        if (dlg.open() != null) {
          if (font != null)
            font.dispose();
          if (color != null)
            color.dispose();

          font = new Font(shell.getDisplay(), dlg.getFontList());
          fontLabel.setFont(font);

          color = new Color(shell.getDisplay(), dlg.getRGB());
          fontLabel.setForeground(color);

          shell.pack();
        }
      }
    });

    shell.open();

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

           
       

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