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Class convexHull.MouseCanvas 

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Container
                   |
                   +----java.awt.Panel
                           |
                           +----convexHull.MouseCanvas
public class MouseCanvas
extends Panel
This is a container for a canvas. This container will display rulers around the canvas (on the top and left).

Variable Index

o leftCanvas
canvas for the left ruler
o mainCanvas
the main canvas
o topCanvas
canvas for the top ruler

Constructor Index

o MouseCanvas(Canvas)
Lays out its children (top & left rulers + the user defined canvas).

Method Index

o doLayout()
Makes sure that the rulers and the main canvas are always properly laid out.
o mouseCB(MouseEvent)
Callback for the mouse
o setBackground(Color)
This method allows the user to set the background.

Variables

o topCanvas 
 private TopCanvas topCanvas
canvas for the top ruler

o leftCanvas 
 private LeftCanvas leftCanvas
canvas for the left ruler

o mainCanvas 
 private Canvas mainCanvas
the main canvas

Constructors

o MouseCanvas 
 public MouseCanvas(Canvas mainCanvas)
Lays out its children (top & left rulers + the user defined canvas). Associates callbacks with various mouse events, so that the rulers can be properly updated.

Parameters:
mainCanvas - java.awt.Canvas - the real user-graphics canvas

Methods

o doLayout 
 public void doLayout()
Makes sure that the rulers and the main canvas are always properly laid out.

Overrides:
doLayout in class Container
o mouseCB 
 public void mouseCB(MouseEvent e)
Callback for the mouse

Parameters:
e - java.awt.Event.MouseEvent - mouse event that triggered this event
o setBackground 
 public void setBackground(Color col)
This method allows the user to set the background.

Parameters:
col - java.awt.Color - the user defined color
Overrides:
setBackground in class Component 
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