Source Code : Control example snippet: print mouse state and button (down, move, up)

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Control example snippet: print mouse state and button (down, move, up)

/*
 * Control example snippet: print mouse state and button (down, move, up)
 *
 * 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.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;

public class Snippet62 {

  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    Listener listener = new Listener() {
      public void handleEvent(Event e) {
        String string = "Unknown";
        switch (e.type) {
        case SWT.MouseDown:
          string = "DOWN";
          break;
        case SWT.MouseMove:
          string = "MOVE";
          break;
        case SWT.MouseUp:
          string = "UP";
          break;
        }
        string += ": button: " + e.button + ", ";
        string += "stateMask=0x" + Integer.toHexString(e.stateMask);
        if ((e.stateMask & SWT.BUTTON1) != 0)
          string += " BUTTON1";
        if ((e.stateMask & SWT.BUTTON2) != 0)
          string += " BUTTON2";
        if ((e.stateMask & SWT.BUTTON3) != 0)
          string += " BUTTON3";
        if ((e.stateMask & SWT.BUTTON4) != 0)
          string += " BUTTON4";
        if ((e.stateMask & SWT.BUTTON5) != 0)
          string += " BUTTON5";
        System.out.println(string);
      }
    };
    shell.addListener(SWT.MouseDown, listener);
    shell.addListener(SWT.MouseMove, listener);
    shell.addListener(SWT.MouseUp, listener);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}


           
       

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