/*
* Copyright (c) 2008-2009, Piccolo2D project, http://piccolo2d.org
* Copyright (c) 1998-2008, University of Maryland
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided
* that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list of conditions
* and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions
* and the following disclaimer in the documentation and/or other materials provided with the
* distribution.
*
* None of the name of the University of Maryland, the name of the Piccolo2D project, or the names of its
* contributors may be used to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package edu.umd.cs.piccolox;
import java.awt.DisplayMode;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Rectangle;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import java.util.Collection;
import java.util.EventListener;
import java.util.Iterator;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import edu.umd.cs.piccolo.PCanvas;
/**
* <b>PFrame</b> is meant to be subclassed by applications that just need a
* PCanvas in a JFrame. It also includes full screen mode functionality when run
* in JDK 1.4. These subclasses should override the initialize method and start
* adding their own code there. Look in the examples package to see lots of uses
* of PFrame.
*
* @version 1.0
* @author Jesse Grosjean
*/
public class PFrame extends JFrame {
/** Used to allow versioned binary streams for serializations. */
private static final long serialVersionUID = 1L;
/** Canvas being displayed on this PFrame. */
private PCanvas canvas;
/** The graphics device onto which the PFrame is being displayed. */
private final GraphicsDevice graphicsDevice;
/** Listener that listens for escape key. */
private EventListener escapeFullScreenModeListener;
/**
* Creates a PFrame with no title, not full screen, and with the default
* canvas.
*/
public PFrame() {
this("", false, null);
}
/**
* Creates a PFrame with the given title and with the default canvas.
*
* @param title title to display at the top of the frame
* @param fullScreenMode whether to display a full screen frame or not
* @param canvas to embed in the frame
*/
public PFrame(final String title, final boolean fullScreenMode, final PCanvas aCanvas) {
this(title, GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice(), fullScreenMode, aCanvas);
}
/**
* Creates a PFrame with the given title and with the default canvas being
* displayed on the provided device.
*
* @param title title to display at the top of the frame
* @param aDevice device onto which PFrame is to be displayed
* @param fullScreenMode whether to display a full screen frame or not
* @param canvas to embed in the frame, may be null. If so, it'll create a
* default PCanvas
*/
public PFrame(final String title, final GraphicsDevice aDevice, final boolean fullScreenMode, final PCanvas aCanvas) {
super(title, aDevice.getDefaultConfiguration());
graphicsDevice = aDevice;
setBackground(null);
setBounds(getDefaultFrameBounds());
try {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
catch (final SecurityException e) {
// expected from applets
}
if (aCanvas == null) {
canvas = new PCanvas();
}
else {
canvas = aCanvas;
}
setContentPane(canvas);
validate();
setFullScreenMode(fullScreenMode);
canvas.requestFocus();
beforeInitialize();
// Manipulation of Piccolo's scene graph should be done from Swings
// event dispatch thread since Piccolo is not thread safe. This code
// calls initialize() from that thread once the PFrame is initialized,
// so you are safe to start working with Piccolo in the initialize()
// method.
SwingUtilities.invokeLater(new Runnable() {
public void run() {
PFrame.this.initialize();
repaint();
}
});
}
/**
* Returns the canvas being displayed on this frame.
*
* @return canvas being displayed on this frame
*/
public PCanvas getCanvas() {
return canvas;
}
/**
* Returns the default frame bounds.
*
* @return default frame bounds
*/
public Rectangle getDefaultFrameBounds() {
return new Rectangle(100, 100, 400, 400);
}
/**
* Returns whether the frame is currently in full screen mode.
*
* @return whether the frame is currently in full screen mode
*/
public boolean isFullScreenMode() {
return graphicsDevice.getFullScreenWindow() != null;
}
/**
* Switches full screen state.
*
* @param fullScreenMode whether to place the frame in full screen mode or
* not.
*/
public void setFullScreenMode(final boolean fullScreenMode) {
if (fullScreenMode != isFullScreenMode() || !isVisible()) {
if (fullScreenMode) {
switchToFullScreenMode();
}
else {
switchToWindowedMode();
}
}
}
private void switchToFullScreenMode() {
addEscapeFullScreenModeListener();
if (isDisplayable()) {
dispose();
}
setUndecorated(true);
setResizable(false);
graphicsDevice.setFullScreenWindow(this);
if (graphicsDevice.isDisplayChangeSupported()) {
chooseBestDisplayMode(graphicsDevice);
}
validate();
}
private void switchToWindowedMode() {
removeEscapeFullScreenModeListener();
if (isDisplayable()) {
dispose();
}
setUndecorated(false);
setResizable(true);
graphicsDevice.setFullScreenWindow(null);
validate();
setVisible(true);
}
protected void chooseBestDisplayMode(final GraphicsDevice device) {
final DisplayMode best = getBestDisplayMode(device);
if (best != null) {
device.setDisplayMode(best);
}
}
protected DisplayMode getBestDisplayMode(final GraphicsDevice device) {
final Iterator itr = getPreferredDisplayModes(device).iterator();
while (itr.hasNext()) {
final DisplayMode each = (DisplayMode) itr.next();
final DisplayMode[] modes = device.getDisplayModes();
for (int i = 0; i < modes.length; i++) {
if (modes[i].getWidth() == each.getWidth() && modes[i].getHeight() == each.getHeight()
&& modes[i].getBitDepth() == each.getBitDepth()) {
return each;
}
}
}
return null;
}
/**
* By default return the current display mode. Subclasses may override this
* method to return other modes in the collection.
*/
protected Collection getPreferredDisplayModes(final GraphicsDevice device) {
final ArrayList result = new ArrayList();
result.add(device.getDisplayMode());
/*
* result.add(new DisplayMode(640, 480, 32, 0)); result.add(new
* DisplayMode(640, 480, 16, 0)); result.add(new DisplayMode(640, 480,
* 8, 0));
*/
return result;
}
/**
* This method adds a key listener that will take this PFrame out of full
* screen mode when the escape key is pressed. This is called for you
* automatically when the frame enters full screen mode.
*/
public void addEscapeFullScreenModeListener() {
removeEscapeFullScreenModeListener();
escapeFullScreenModeListener = new KeyAdapter() {
public void keyPressed(final KeyEvent aEvent) {
if (aEvent.getKeyCode() == KeyEvent.VK_ESCAPE) {
setFullScreenMode(false);
}
}
};
canvas.addKeyListener((KeyListener) escapeFullScreenModeListener);
}
/**
* This method removes the escape full screen mode key listener. It will be
* called for you automatically when full screen mode exits, but the method
* has been made public for applications that wish to use other methods for
* exiting full screen mode.
*/
public void removeEscapeFullScreenModeListener() {
if (escapeFullScreenModeListener != null) {
canvas.removeKeyListener((KeyListener) escapeFullScreenModeListener);
escapeFullScreenModeListener = null;
}
}
// ****************************************************************
// Initialize
// ****************************************************************
/**
* This method will be called before the initialize() method and will be
* called on the thread that is constructing this object.
*/
public void beforeInitialize() {
}
/**
* Subclasses should override this method and add their Piccolo
* initialization code there. This method will be called on the swing event
* dispatch thread. Note that the constructors of PFrame subclasses may not
* be complete when this method is called. If you need to initailize some
* things in your class before this method is called place that code in
* beforeInitialize();
*/
public void initialize() {
}
public static void main(final String[] argv) {
new PFrame();
}
}
