Monitor example: center a shell on the primary monitor : Monitor « SWT JFace Eclipse « Java

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Monitor example: center a shell on the primary monitor

/*
 * Monitor example snippet: center a shell on the primary monitor
 *
 * For a list of all SWT example snippets see
 * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
 */
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Monitor;
import org.eclipse.swt.widgets.Shell;

public class Snippet120 {

  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setSize(200, 200);
    Monitor primary = display.getPrimaryMonitor();
    Rectangle bounds = primary.getBounds();
    Rectangle rect = shell.getBounds();
    int x = bounds.x + (bounds.width - rect.width) / 2;
    int y = bounds.y + (bounds.height - rect.height) / 2;
    shell.setLocation(x, y);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

           
       

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