Chris wrote:
>I have a label in a JInternalFrame. The label has a mouseListener on
> it, to listen for clicks but also when the mouse is over the label.
> When the mouse is over it, I want to change the cursor to a hand
> cursor, and back to normal when exiting the label. All this works
> when my frame & internal frame are their start up sizes, but if I
> maximize the main JFrame and then move the mouse over the label, no
> hand! But it's still clickable. For some reason teh setCursor isn't
> working. But un-maximize the JFrame & things work again.
> In the sample code below, I have 2 classes, the main application frame
> that extends JFrame, and MyInternalFrame that extends JInternalFrame.
> It's in the internal frame that holds the label & mouseListener.
> Any help appreciated!!
> import java.awt.BorderLayout;
> import java.awt.Cursor;
> import java.awt.event.MouseAdapter;
> import java.awt.event.MouseEvent;
> import javax.swing.*;
> public class TestLabelLink extends JFrame {
> JDesktopPane desktop;
> public TestLabelLink() {
> super("Test");
> setSize(400,400);
> //Set up the GUI.
> desktop = new JDesktopPane(); //a specialized layered pane
> MyInternalFrame frame = new MyInternalFrame();
> frame.setVisible(true); //necessary as of 1.3
> desktop.add(frame);
> try {
> frame.setSelected(true);
> } catch (java.beans.PropertyVetoException e) {}
> setContentPane(desktop);
> //Make dragging a little faster but perhaps uglier.
> desktop.setDragMode(JDesktopPane.OUTLINE_DRAG_MODE);
> }
> //Quit the application.
> protected void quit() {
> System.exit(0);
> }
> /**
> * Create the GUI and show it. For thread safety,
> * this method should be invoked from the
> * event-dispatching thread.
> */
> private static void createAndShowGUI() {
> //Make sure we have nice window decorations.
> JFrame.setDefaultLookAndFeelDecorated(true);
> //Create and set up the window.
> TestLabelLink frame = new TestLabelLink();
> frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
> //Display the window.
> frame.setVisible(true);
> }
> public static void main(String[] args) {
> //Schedule a job for the event-dispatching thread:
> //creating and showing this application's GUI.
> javax.swing.SwingUtilities.invokeLater(new Runnable() {
> public void run() {
> createAndShowGUI();
> }
> });
> }
> }
> class MyInternalFrame extends JInternalFrame {
> JLabel label = new JLabel("<html><body><a href=\"\">click me</a></
> body></html>");
> public MyInternalFrame() {
> super();
> setSize(200,200);
> this.getContentPane().add(label, BorderLayout.NORTH);
> label.addMouseListener(new MouseAdapter() {
> public void mouseClicked(MouseEvent e) {
> System.out.println("bang!");
> }
> public void mouseEntered(MouseEvent e) {
> label.setCursor(new Cursor(Cursor.HAND_CURSOR));
> }
> public void mouseExited(MouseEvent e) {
> label.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
> }
> });
Just a guess. Do the mouseEnter and Mouse Exit events ever fire when