Create a tracker on mouse down : Tracker « SWT « Java Tutorial

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Java Tutorial » SWT » Tracker 
17.35.1.Create a tracker on mouse downPrevious/Next
Create a tracker on mouse down
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tracker;

public class TrackerMouseDown {

  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.open();
    shell.addListener(SWT.MouseDown, new Listener() {
      public void handleEvent(Event e) {
        Tracker tracker = new Tracker(shell, SWT.NONE);
        tracker.setRectangles(new Rectangle[] { new Rectangle(e.x, e.y, 100100)});
        tracker.open();
      }
    });
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}
17.35.Tracker
17.35.1.Create a tracker on mouse downCreate a tracker on mouse down
17.35.2.Create a tracker: drag when torn offCreate a tracker: drag when torn off
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