// Fig. 14.31: MouseDetailsFrame.java
// Demonstrating mouse clicks and distinguishing between mouse buttons.
import java.awt.BorderLayout;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JFrame;
import javax.swing.JLabel;

public class MouseDetailsFrame extends JFrame 
{
   private String details; // String that is displayed in the statusBar
   private JLabel statusBar; // JLabel that appears at bottom of window

   // constructor sets title bar String and register mouse listener
   public MouseDetailsFrame()
   {
      super( "Mouse Clicks and Buttons" );

      statusBar = new JLabel( "Click the mouse" );
      add( statusBar, BorderLayout.SOUTH );
      addMouseListener( new MouseClickHandler() ); // add handler
   } // end MouseDetailsFrame constructor

   // inner class to handle mouse events
   private class MouseClickHandler extends MouseAdapter 
   {
      // handle mouse-click event and determine which button was pressed
      public void mouseClicked( MouseEvent event )
      {
         int xPos = event.getX(); // get x-position of mouse
         int yPos = event.getY(); // get y-position of mouse

         details = String.format( "Clicked %d time(s)", 
            event.getClickCount() );
      
         if ( event.isMetaDown() ) // right mouse button   
            details += " with right mouse button";
         else if ( event.isAltDown() ) // middle mouse button
            details += " with center mouse button";
         else // left mouse button                       
            details += " with left mouse button";

         statusBar.setText( details ); // display message in statusBar
      } // end method mouseClicked
   } // end private inner class MouseClickHandler
} // end class MouseDetailsFrame


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