/* * 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.*;public class CFrame extends Frame {    protected Command destroyCommand = null,		      deiconifyCommand = null,		      iconifyCommand = null,		      movedCommand = null;    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;    protected Command actionCommand = null;    protected Command scrollAbsoluteCommand = null,	      	      lineDownCommand = null,	      	      lineUpCommand = null,	      	      pageDownCommand = null,	      	      pageUpCommand = null;    protected Command selectCommand 	= null,		      deselectCommand 	= null;    /**     * Constructs a new, initially invisible CFrame.     */    public CFrame() {	super();    }    /**     * Constructs a new, initially invisible CFrame with the     * specified title.     */    public CFrame(String title) {	super(title);    }    /**      * Handles the event     */    public boolean handleEvent(Event evt) {	switch (evt.id) {	    case Event.WINDOW_DESTROY:		return windowDestroy(evt);	    case Event.WINDOW_DEICONIFY:		return windowDeiconify(evt);	    case Event.WINDOW_ICONIFY:		return windowIconify(evt);	    case Event.WINDOW_MOVED:		return windowMoved(evt);	    case Event.SCROLL_ABSOLUTE:		return scrollAbsolute(evt, evt.arg);	    case Event.SCROLL_LINE_DOWN:		return lineDown(evt, evt.arg);	    case Event.SCROLL_LINE_UP:		return lineUp(evt, evt.arg);	    case Event.SCROLL_PAGE_DOWN:		return pageDown(evt, evt.arg);	    case Event.SCROLL_PAGE_UP:		return pageUp(evt, evt.arg);	    case Event.LIST_SELECT:		return select(evt, evt.arg);	    case Event.LIST_DESELECT:		return deselect(evt, evt.arg);	    default:		return super.handleEvent(evt);	}    }    /*     * event handling methods     */    /**      * Called if the dialog's window is destroyed. This results in a call to     * the destroyCommand object with <code>what</code> set to null     */    public boolean windowDestroy(Event evt) {	if (destroyCommand != null)	    destroyCommand.execute(this, evt, null);	return false;    }    /**      * Called if the dialog's window is deiconified. This results in a call to     * the deiconifyCommand object with <code>what</code> set to null      */    public boolean windowDeiconify(Event evt) {	if (deiconifyCommand != null)	    deiconifyCommand.execute(this, evt, null);	return false;    }    /**      * Called if the dialog is iconified. This results in a call to     * the iconifyCommand object with <code>what</code> set to null      */    public boolean windowIconify(Event evt) {	if (iconifyCommand != null)	    iconifyCommand.execute(this, evt, null);	return false;    }    /**      * Called if the dialog's window is moved. This results in a call to     * the movedCommand object with <code>what</code> set to Point(x, y)      */    public boolean windowMoved(Event evt) {	if (movedCommand != null)	    movedCommand.execute(this, evt, new Point(evt.x, evt.y));	return false;    }    /*     * I don't know where what objects this next set should belong     * to. Putting them at the top is ok for now     */    /**     * 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;    }    /**     * Called when an ACTION_EVENT is generated.     * This results in a call to the actionCommand object      * with <code>what</code> set to the event's arg.     */    public boolean action(Event evt, Object what) {	if (actionCommand != null)	    actionCommand.execute(this, evt, what);	return false;    }    /**     * Called when a scrollbar is dragged.     * This results in a call to the scrollAbsoluteCommand object     * with <code>what</code> set to the slider location value.     */    public boolean scrollAbsolute(Event evt, Object what) {        if (scrollAbsoluteCommand != null)            scrollAbsoluteCommand.execute(this, evt, what);	return false;    }    /**     * Called when a scrollbar is incremented down.     * This results in a call to the lineDownCommand object     * with <code>what</code> set to the slider location value.     */    public boolean lineDown(Event evt, Object what) {        if (lineDownCommand != null)            lineDownCommand.execute(this, evt, what);	return false;    }    /**     * Called when a scrollbar is incremented up.     * This results in a call to the lineUpCommand object     * with <code>what</code> set to the slider location value.     */    public boolean lineUp(Event evt, Object what) {        if (lineUpCommand != null)            lineUpCommand.execute(this, evt, what);	return false;    }    /**     * Called when a scrollbar pages up.     * This results in a call to the pageUpCommand object     * with <code>what</code> set to the slider location value.     */    public boolean pageUp(Event evt, Object what) {        if (pageUpCommand != null)            pageUpCommand.execute(this, evt, what);	return false;    }    /**     * Called when a scrollbar pages down.     * This results in a call to the pageDownCommand object     * with <code>what</code> set to the slider location value.     */    public boolean pageDown(Event evt, Object what) {        if (pageDownCommand != null)            pageDownCommand.execute(this, evt, what);	return false;    }    /**      * Called if the mouse selects an item in a List.      * This results in a call to the selectCommand object      * with <code>what</code> set to the selected index.     */    public boolean select(Event evt, Object what) {        if (selectCommand != null)            selectCommand.execute(this, evt, what);	return false;    }    /**      * Called if the mouse deselects an item in a List.      * This results in a call to the deselectCommand object      * with <code>what</code> set to the deselected index.     */    public boolean deselect(Event evt, Object what) {        if (deselectCommand != null)            deselectCommand.execute(this, evt, what);	return false;    }    /*     * set...Command methods     */     /**     * Sets the destroyCommand object.     */    public void setDestroyCommand(Command c) {	destroyCommand = c;    }    /**     * Sets the deiconifyCommand object.     */    public void setDeiconifyCommand(Command c) {	deiconifyCommand = c;    }    /**     * Sets the iconifyCommand object.     */    public void setIconifyCommand(Command c) {	iconifyCommand = c;    }    /**     * Sets the movedCommand object.     */    public void setMovedCommand(Command c) {	movedCommand = c;    }    /**     * 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;    }   /**    * Sets the actionCommand object.    */    public void setActionCommand(Command action) {	actionCommand = action;    }    /**     * Sets the scrollAbsoluteCommand.     */    public void setScrollAbsoluteCommand(Command c) {	scrollAbsoluteCommand = c;    }    /**     * Sets the lineUpCommand.     */    public void setLineUpCommand(Command c) {	lineUpCommand = c;    }    /**     * Sets the lineDownCommand.     */    public void setLineDownCommand(Command c) {	lineDownCommand = c;    }    /**     * Sets the pageUpCommand.     */    public void setPageUpCommand(Command c) {	pageUpCommand = c;    }    /**     * Sets the pageDownCommand.     */    public void setPageDownCommand(Command c) {	pageDownCommand = c;    }    /**     * Sets the selectCommand.     */    public void setSelectCommand(Command select) {	selectCommand = select;    }    public void setGotFocusCommand(Command c) { 	 gotFocusCommand = c ;     }     /**     * Sets the deselectCommand.     */    public void setDeselectCommand(Command deselect) {	deselectCommand = deselect;    }}