net.sf.freecol.client.gui
Class CanvasMouseMotionListener

java.lang.Object
  net.sf.freecol.client.gui.CanvasMouseMotionListener

All Implemented Interfaces:

java.awt.event.MouseMotionListener, java.util.EventListener

public final class CanvasMouseMotionListener
extends java.lang.Object
implements java.awt.event.MouseMotionListener

Listens to the mouse being moved at the level of the Canvas.

Nested Class Summary

private class

CanvasMouseMotionListener.ScrollThread Scrolls the view of the Map by moving its focus.

Field Summary

private static int	AUTO_SCROLLSPACE
private Canvas	canvas
private static int	DRAG_SCROLLSPACE
private GUI	gui
private Tile	lastTile
private static java.util.logging.Logger	logger
private Map	map
private CanvasMouseMotionListener.ScrollThread	scrollThread

Constructor Summary

CanvasMouseMotionListener(Canvas canvas, GUI g, Map m)
The constructor to use.

Method Summary

private void	auto_scroll(int x, int y)
private void	drag_scroll(int x, int y)
void	mouseDragged(java.awt.event.MouseEvent e) Invoked when the mouse has been dragged.
void	mouseMoved(java.awt.event.MouseEvent e) Invoked when the mouse has been moved.
private void	scroll(int x, int y, int scrollspace)

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static final java.util.logging.Logger logger

lastTile

private Tile lastTile

canvas

private final Canvas canvas

gui

private final GUI gui

map

private final Map map

scrollThread

private CanvasMouseMotionListener.ScrollThread scrollThread

DRAG_SCROLLSPACE

private static final int DRAG_SCROLLSPACE

See Also:

Constant Field Values

AUTO_SCROLLSPACE

private static final int AUTO_SCROLLSPACE

See Also:

Constant Field Values

Constructor Detail

CanvasMouseMotionListener

public CanvasMouseMotionListener(Canvas canvas,
                                 GUI g,
                                 Map m)

The constructor to use.

Parameters:

canvas - The component this object gets created for.

g - The GUI that holds information such as screen resolution.

m - The Map that is currently being drawn on the Canvas (by the GUI).

Method Detail

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)

Invoked when the mouse has been moved.

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

Parameters:

e - The MouseEvent that holds all the information.

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

Invoked when the mouse has been dragged.

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

Parameters:

e - The MouseEvent that holds all the information.

auto_scroll

private void auto_scroll(int x,
                         int y)

drag_scroll

private void drag_scroll(int x,
                         int y)

scroll

private void scroll(int x,
                    int y,
                    int scrollspace)