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/*
* Copyright 1996 Jan Newmarch, University of Canberra.
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies. The author
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
*/
package awtCommand;
import java.awt.*;
import java.applet.*;
public class CApplet extends Applet {
protected Command gotFocusCommand = null,
lostFocusCommand = null;
protected Command mouseDownCommand = null,
mouseDragCommand = null,
mouseEnterCommand = null,
mouseExitCommand = null,
mouseMoveCommand = null,
mouseUpCommand = null;
protected Command keyUpCommand = null,
keyDownCommand = null;
/**
* Constructs a new CApplet.
*/
public CApplet() {
super();
}
/*
* event handling methods
*/
/**
* Called if the window gains focus. This results in a call to
* the gotFocusCommand object with <code>what</code> set to null.
*/
public boolean gotFocus(Event evt, Object what) {
if (gotFocusCommand != null)
gotFocusCommand.execute(this, evt, what);
return false;
}
/**
* Called if the window loses focus. This results in a call to
* the lostFocusCommand object with <code>what</code> set to null.
*/
public boolean lostFocus(Event evt, Object what) {
if (lostFocusCommand != null)
lostFocusCommand.execute(this, evt, what);
return false;
}
/**
* Called if the mouse is down.
* This results in a call to the mouseDownCommand object with
* <code>what</code> set to Point(x, y)
*/
public boolean mouseDown(Event evt, int x, int y) {
if (mouseDownCommand != null)
mouseDownCommand.execute(this, evt, new Point(x, y));
return false;
}
/**
* Called if the mouse is dragged.
* This results in a call to the mouseDragCommand object with
* <code>what</code> set to Point(x, y)
*/
public boolean mouseDrag(Event evt, int x, int y) {
if (mouseDragCommand != null)
mouseDragCommand.execute(this, evt, new Point(x, y));
return false;
}
/**
* Called if the mouse enters the window.
* This results in a call to the mouseEnterCommand object with
* <code>what</code> set to Point(x, y)
*/
public boolean mouseEnter(Event evt, int x, int y) {
if (mouseEnterCommand != null)
mouseEnterCommand.execute(this, evt, new Point(x, y));
return false;
}
/**
* Called if the mouse moves inside the window.
* This results in a call to the mouseMoveCommand object with
* <code>what</code> set to Point(x, y)
*/
public boolean mouseMove(Event evt, int x, int y) {
if (mouseExitCommand != null)
mouseExitCommand.execute(this, evt, new Point(x, y));
return false;
}
/**
* Called if the mouse is up.
* This results in a call to the mouseUpCommand object with
* <code>what</code> set to Point(x, y)
*/
public boolean mouseUp(Event evt, int x, int y) {
if (mouseUpCommand != null)
mouseUpCommand.execute(this, evt, new Point(x, y));
return false;
}
/**
* Called if a character is pressed.
* This results in a call to the keyDownCommand object with
* <code>what</code> set to Integer(key).
*/
public boolean keyDown(Event evt, int key) {
if (keyDownCommand != null)
keyDownCommand.execute(this, evt, new Integer(key));
return false;
}
/**
* Called if a character is released.
* This results in a call to the keyUpCommand object with
* <code>what</code> set to Integer(key).
*/
public boolean keyUp(Event evt, int key) {
if (keyUpCommand != null)
keyUpCommand.execute(this, evt, new Integer(key));
return false;
}
/*
* set...Command methods
*/
/**
* Sets the mouseDownCommand object.
*/
public void setMouseDownCommand(Command c) {
mouseDownCommand = c;
}
/**
* Sets the moueDragCommand object.
*/
public void setMouseDragCommand(Command c) {
mouseDragCommand = c;
}
/**
* Sets the mouseEnterCommand object.
*/
public void setMouseEnterCommand(Command c) {
mouseEnterCommand = c;
}
/**
* Sets the mouseExitCommand object.
*/
public void setMouseExitCommand(Command c) {
mouseExitCommand = c;
}
/**
* Sets the mouseMoveCommand object.
*/
public void setMouseMoveCommand(Command c) {
mouseMoveCommand = c;
}
/**
* Sets the mouseUpCommand object.
*/
public void setMouseUpCommand(Command c) {
mouseUpCommand = c;
}
/**
* Sets the keyDownCommand object.
*/
public void setKeyDownCommand(Command c) {
keyDownCommand = c;
}
/**
* Sets the keyUpCommand object.
*/
public void setKeyUpCommand(Command c) {
keyUpCommand = c;
}
}
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