Hello, I\'m trying to get create a hover state for comboBox_3 . When the user ho

Question

Hello,

I'm trying to get create a hover state for comboBox_3 . When the user hovers over it, Im trying to get it to scale up in height and length by 2 pixels. Below is the code.

import java.awt.EventQueue;

import javax.swing.JFrame;

import javax.swing.JComboBox;

import javax.swing.DefaultComboBoxModel;

import javax.swing.ImageIcon;

import javax.swing.JLabel;

import java.awt.Font;

import java.awt.Image;

import java.awt.SystemColor;

import javax.swing.UIManager;

import java.awt.Color;

import java.awt.Cursor;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

public class Main_GUI {

   private JFrame frmAaAutomation;

   /**

   * Launch the application.

   */

   public static void main(String[] args) {

       EventQueue.invokeLater(new Runnable() {

           public void run() {

               try {

                   Main_GUI window = new Main_GUI();

                   window.frmAaAutomation.setVisible(true);

               } catch (Exception e) {

                   e.printStackTrace();

               }

           }

       });

   }

   /**

   * Create the application.

   */

   public Main_GUI() {

       initialize();

   }

   /**

   * Initialize the contents of the frame.

   */

   private void initialize() {

       frmAaAutomation = new JFrame();

       frmAaAutomation.setTitle("All Access Automation");

       frmAaAutomation.getContentPane().setBackground(new Color(245, 245, 245));

       frmAaAutomation.setBounds(100, 100, 650, 900);

       frmAaAutomation.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

       frmAaAutomation.getContentPane().setLayout(null);

       JComboBox comboBox_3 = new JComboBox();

       comboBox_3.setName("DeviceDropD");

       comboBox_3.setBounds(148, 194, 343, 27);

       comboBox_3.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));

       comboBox_3.setModel(new DefaultComboBoxModel(new String[] {"Desktop", "Mobile Web", "Tablet"}));

       frmAaAutomation.getContentPane().add(comboBox_3);

       comboBox_3.addMouseListener(new MouseAdapter() {

           public void mouseEntered(java.awt.event.MouseEvent evt) {

              comboBox_3.setBounds(158, 196, 355, 30);

              }

              public void mouseExited(java.awt.event.MouseEvent evt) {

              comboBox_3.setForeground(UIManager.getColor("GREEN"));

              }

       });

       JLabel lblCreateSettings = new JLabel("Create Test");

       lblCreateSettings.setBounds(193, 106, 250, 37);

       lblCreateSettings.setForeground(Color.GRAY);

       lblCreateSettings.setFont(new Font("Heiti TC", Font.PLAIN, 36));

       frmAaAutomation.getContentPane().add(lblCreateSettings);

   }

}

Explanation / Answer

============================

Try above code, it is working. You probably are forgetting to bring the height and width back to original in your mouseExited method.

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