jj2000.disp

Class ImgMouseListener

java.lang.Object

java.awt.event.MouseAdapter

jj2000.disp.ImgMouseListener

All Implemented Interfaces:

MouseListener, MouseMotionListener, MouseWheelListener, EventListener

public class ImgMouseListener
extends MouseAdapter
implements MouseMotionListener

This class handles the dragging of an image displayed in an ImgScrollPane. When the mouse is dragged the image scrolls accordingly.

Objects of this class must be registerd as both mouse listener and mouse motion listener.

While the dragging is taking place the cursor is changed to the MOVE_CURSOR type. The original cursor is restored when the mouse is released after the drag.

Constructor Summary

Constructors

Constructor and Description
ImgMouseListener(ImgScrollPane isp) Instantiate a new ImgMouseListener that will work on the specified ImgScrollPane.

Method Summary

Methods

Modifier and Type	Method and Description
void	mouseDragged(MouseEvent evt)
void	mouseMoved(MouseEvent evt)
void	mousePressed(MouseEvent e)
void	mouseReleased(MouseEvent e)

Methods inherited from class java.awt.event.MouseAdapter

mouseClicked, mouseEntered, mouseExited, mouseWheelMoved

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ImgMouseListener

public ImgMouseListener(ImgScrollPane isp)

Instantiate a new ImgMouseListener that will work on the specified ImgScrollPane.

Parameters:

isp - The image scroll pane on which the actions should operate.

Method Detail

mousePressed

public void mousePressed(MouseEvent e)

Specified by:

mousePressed in interface MouseListener

Overrides:

mousePressed in class MouseAdapter

mouseReleased

public void mouseReleased(MouseEvent e)

Specified by:

mouseReleased in interface MouseListener

Overrides:

mouseReleased in class MouseAdapter

mouseDragged

public void mouseDragged(MouseEvent evt)

Specified by:

mouseDragged in interface MouseMotionListener

Overrides:

mouseDragged in class MouseAdapter

mouseMoved

public void mouseMoved(MouseEvent evt)

Specified by:

mouseMoved in interface MouseMotionListener

Overrides:

mouseMoved in class MouseAdapter