ref: b5f87e6175db229e3e84e054ce23a1194cc535e4
dir: /PuzzleApplet.java/
/*
* PuzzleApplet.java: NestedVM applet for the puzzle collection
*/
import java.awt.*;
import java.awt.event.*;
import java.awt.image.BufferedImage;
import java.util.*;
import javax.swing.*;
import javax.swing.border.BevelBorder;
import javax.swing.Timer;
import java.util.List;
import org.ibex.nestedvm.Runtime;
public class PuzzleApplet extends JApplet implements Runtime.CallJavaCB {
private static final long serialVersionUID = 1L;
private static final int CFG_SETTINGS = 0, CFG_SEED = 1, CFG_DESC = 2,
LEFT_BUTTON = 0x0200, MIDDLE_BUTTON = 0x201, RIGHT_BUTTON = 0x202,
LEFT_DRAG = 0x203, MIDDLE_DRAG = 0x204, RIGHT_DRAG = 0x205,
LEFT_RELEASE = 0x206, CURSOR_UP = 0x209, CURSOR_DOWN = 0x20a,
CURSOR_LEFT = 0x20b, CURSOR_RIGHT = 0x20c, MOD_CTRL = 0x1000,
MOD_SHFT = 0x2000, MOD_NUM_KEYPAD = 0x4000, ALIGN_VCENTRE = 0x100,
ALIGN_HCENTRE = 0x001, ALIGN_HRIGHT = 0x002, C_STRING = 0,
C_CHOICES = 1, C_BOOLEAN = 2;
private JFrame mainWindow;
private JMenu typeMenu;
private JMenuItem[] typeMenuItems;
private int customMenuItemIndex;
private JMenuItem solveCommand;
private Color[] colors;
private JLabel statusBar;
private PuzzlePanel pp;
private Runtime runtime;
private String[] puzzle_args;
private Graphics2D gg;
private Timer timer;
private int xarg1, xarg2, xarg3;
private int[] xPoints, yPoints;
private BufferedImage[] blitters = new BufferedImage[512];
private ConfigDialog dlg;
static {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Exception ex) {
ex.printStackTrace();
}
}
public void init() {
try {
Container cp = getContentPane();
cp.setLayout(new BorderLayout());
runtime = (Runtime) Class.forName("PuzzleEngine").newInstance();
runtime.setCallJavaCB(this);
JMenuBar menubar = new JMenuBar();
JMenu jm;
menubar.add(jm = new JMenu("Game"));
addMenuItemCallback(jm, "New", "jcallback_newgame_event");
addMenuItemCallback(jm, "Restart", "jcallback_restart_event");
addMenuItemCallback(jm, "Specific...", "jcallback_config_event", CFG_DESC);
addMenuItemCallback(jm, "Random Seed...", "jcallback_config_event", CFG_SEED);
jm.addSeparator();
addMenuItemCallback(jm, "Undo", "jcallback_undo_event");
addMenuItemCallback(jm, "Redo", "jcallback_redo_event");
jm.addSeparator();
solveCommand = addMenuItemCallback(jm, "Solve", "jcallback_solve_event");
solveCommand.setEnabled(false);
if (mainWindow != null) {
jm.addSeparator();
addMenuItemCallback(jm, "Exit", "jcallback_quit_event");
}
menubar.add(typeMenu = new JMenu("Type"));
typeMenu.setVisible(false);
menubar.add(jm = new JMenu("Help"));
addMenuItemCallback(jm, "About", "jcallback_about_event");
setJMenuBar(menubar);
cp.add(pp = new PuzzlePanel(), BorderLayout.CENTER);
pp.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent e) {
int key = -1;
int shift = e.isShiftDown() ? MOD_SHFT : 0;
int ctrl = e.isControlDown() ? MOD_CTRL : 0;
switch (e.getKeyCode()) {
case KeyEvent.VK_LEFT:
case KeyEvent.VK_KP_LEFT:
key = shift | ctrl | CURSOR_LEFT;
break;
case KeyEvent.VK_RIGHT:
case KeyEvent.VK_KP_RIGHT:
key = shift | ctrl | CURSOR_RIGHT;
break;
case KeyEvent.VK_UP:
case KeyEvent.VK_KP_UP:
key = shift | ctrl | CURSOR_UP;
break;
case KeyEvent.VK_DOWN:
case KeyEvent.VK_KP_DOWN:
key = shift | ctrl | CURSOR_DOWN;
break;
case KeyEvent.VK_PAGE_UP:
key = shift | ctrl | MOD_NUM_KEYPAD | '9';
break;
case KeyEvent.VK_PAGE_DOWN:
key = shift | ctrl | MOD_NUM_KEYPAD | '3';
break;
case KeyEvent.VK_HOME:
key = shift | ctrl | MOD_NUM_KEYPAD | '7';
break;
case KeyEvent.VK_END:
key = shift | ctrl | MOD_NUM_KEYPAD | '1';
break;
default:
if (e.getKeyCode() >= KeyEvent.VK_NUMPAD0 && e.getKeyCode() <=KeyEvent.VK_NUMPAD9) {
key = MOD_NUM_KEYPAD | (e.getKeyCode() - KeyEvent.VK_NUMPAD0+'0');
}
break;
}
if (key != -1) {
runtimeCall("jcallback_key_event", new int[] {0, 0, key});
}
}
public void keyTyped(KeyEvent e) {
int key = e.getKeyChar();
if (key == 26 && e.isShiftDown() && e.isControlDown()) {
runtimeCall("jcallback_redo_event", new int[0]);
return;
}
runtimeCall("jcallback_key_event", new int[] {0, 0, key});
}
});
pp.addMouseListener(new MouseAdapter() {
public void mouseReleased(MouseEvent e) {
mousePressedReleased(e, true);
}
public void mousePressed(MouseEvent e) {
pp.requestFocus();
mousePressedReleased(e, false);
}
private void mousePressedReleased(MouseEvent e, boolean released) {
int button;
if ((e.getModifiers() & (InputEvent.BUTTON2_MASK | InputEvent.SHIFT_MASK)) != 0)
button = MIDDLE_BUTTON;
else if ((e.getModifiers() & (InputEvent.BUTTON3_MASK | InputEvent.ALT_MASK)) != 0)
button = RIGHT_BUTTON;
else if ((e.getModifiers() & (InputEvent.BUTTON1_MASK)) != 0)
button = LEFT_BUTTON;
else
return;
if (released)
button += LEFT_RELEASE - LEFT_BUTTON;
runtimeCall("jcallback_key_event", new int[] {e.getX(), e.getY(), button});
}
});
pp.addMouseMotionListener(new MouseMotionAdapter() {
public void mouseDragged(MouseEvent e) {
int button;
if ((e.getModifiers() & (InputEvent.BUTTON2_MASK | InputEvent.SHIFT_MASK)) != 0)
button = MIDDLE_DRAG;
else if ((e.getModifiers() & (InputEvent.BUTTON3_MASK | InputEvent.ALT_MASK)) != 0)
button = RIGHT_DRAG;
else
button = LEFT_DRAG;
runtimeCall("jcallback_key_event", new int[] {e.getX(), e.getY(), button});
}
});
pp.addComponentListener(new ComponentAdapter() {
public void componentResized(ComponentEvent e) {
handleResized();
}
});
pp.setFocusable(true);
pp.requestFocus();
timer = new Timer(20, new ActionListener() {
public void actionPerformed(ActionEvent e) {
runtimeCall("jcallback_timer_func", new int[0]);
}
});
String gameid;
try {
gameid = getParameter("game_id");
} catch (java.lang.NullPointerException ex) {
gameid = null;
}
if (gameid == null) {
puzzle_args = null;
} else {
puzzle_args = new String[2];
puzzle_args[0] = "puzzle";
puzzle_args[1] = gameid;
}
SwingUtilities.invokeLater(new Runnable() {
public void run() {
runtime.start(puzzle_args);
runtime.execute();
}
});
} catch (Exception ex) {
ex.printStackTrace();
}
}
public void destroy() {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
runtime.execute();
if (mainWindow != null) {
mainWindow.dispose();
System.exit(0);
}
}
});
}
protected void handleResized() {
pp.createBackBuffer(pp.getWidth(), pp.getHeight(), colors[0]);
runtimeCall("jcallback_resize", new int[] {pp.getWidth(), pp.getHeight()});
}
private JMenuItem addMenuItemCallback(JMenu jm, String name, final String callback, final int arg) {
return addMenuItemCallback(jm, name, callback, new int[] {arg}, false);
}
private JMenuItem addMenuItemCallback(JMenu jm, String name, final String callback) {
return addMenuItemCallback(jm, name, callback, new int[0], false);
}
private JMenuItem addMenuItemCallback(JMenu jm, String name, final String callback, final int[] args, boolean checkbox) {
JMenuItem jmi;
if (checkbox)
jm.add(jmi = new JCheckBoxMenuItem(name));
else
jm.add(jmi = new JMenuItem(name));
jmi.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
runtimeCall(callback, args);
}
});
return jmi;
}
protected void runtimeCall(String func, int[] args) {
if (runtimeCallWithResult(func, args) == 42 && mainWindow != null) {
destroy();
}
}
protected int runtimeCallWithResult(String func, int[] args) {
try {
return runtime.call(func, args);
} catch (Runtime.CallException ex) {
ex.printStackTrace();
return 42;
}
}
private void buildConfigureMenuItem() {
if (typeMenu.isVisible()) {
typeMenu.addSeparator();
} else {
typeMenu.setVisible(true);
}
typeMenuItems[customMenuItemIndex] =
addMenuItemCallback(typeMenu, "Custom...",
"jcallback_config_event",
new int[] {CFG_SETTINGS}, true);
}
private void addTypeItem
(JMenu targetMenu, String name, int newId, final int ptrGameParams) {
typeMenu.setVisible(true);
typeMenuItems[newId] =
addMenuItemCallback(targetMenu, name,
"jcallback_preset_event",
new int[] {ptrGameParams}, true);
}
private void addTypeSubmenu
(JMenu targetMenu, String name, int newId) {
JMenu newMenu = new JMenu(name);
newMenu.setVisible(true);
typeMenuItems[newId] = newMenu;
targetMenu.add(newMenu);
}
public int call(int cmd, int arg1, int arg2, int arg3) {
try {
switch(cmd) {
case 0: // initialize
if (mainWindow != null) mainWindow.setTitle(runtime.cstring(arg1));
if ((arg2 & 1) != 0) buildConfigureMenuItem();
if ((arg2 & 2) != 0) addStatusBar();
if ((arg2 & 4) != 0) solveCommand.setEnabled(true);
colors = new Color[arg3];
return 0;
case 1: // configure Type menu
if (arg1 == 0) {
// preliminary setup
typeMenuItems = new JMenuItem[arg2 + 2];
typeMenuItems[arg2] = typeMenu;
customMenuItemIndex = arg2 + 1;
return arg2;
} else if (xarg1 != 0) {
addTypeItem((JMenu)typeMenuItems[arg2],
runtime.cstring(arg1), arg3, xarg1);
} else {
addTypeSubmenu((JMenu)typeMenuItems[arg2],
runtime.cstring(arg1), arg3);
}
return 0;
case 2: // MessageBox
JOptionPane.showMessageDialog(this, runtime.cstring(arg2), runtime.cstring(arg1), arg3 == 0 ? JOptionPane.INFORMATION_MESSAGE : JOptionPane.ERROR_MESSAGE);
return 0;
case 3: // Resize
pp.setPreferredSize(new Dimension(arg1, arg2));
if (mainWindow != null) mainWindow.pack();
handleResized();
if (mainWindow != null) mainWindow.setVisible(true);
return 0;
case 4: // drawing tasks
switch(arg1) {
case 0:
String text = runtime.cstring(arg2);
if (text.equals("")) text = " ";
statusBar.setText(text);
break;
case 1:
gg = pp.backBuffer.createGraphics();
if (arg2 != 0 || arg3 != 0 ||
arg2 + xarg2 != getWidth() ||
arg3 + xarg3 != getHeight()) {
int left = arg2, right = arg2 + xarg2;
int top = arg3, bottom = arg3 + xarg3;
int width = getWidth(), height = getHeight();
gg.setColor(colors != null ? colors[0] : Color.black);
gg.fillRect(0, 0, left, height);
gg.fillRect(right, 0, width-right, height);
gg.fillRect(0, 0, width, top);
gg.fillRect(0, bottom, width, height-bottom);
gg.setClip(left, top, right-left, bottom-top);
}
break;
case 2: gg.dispose(); pp.repaint(); break;
case 3: gg.setClip(arg2, arg3, xarg1, xarg2); break;
case 4:
if (arg2 == 0 && arg3 == 0) {
gg.setClip(0, 0, getWidth(), getHeight());
} else {
gg.setClip(arg2, arg3, getWidth()-2*arg2, getHeight()-2*arg3);
}
break;
case 5:
gg.setColor(colors[xarg3]);
gg.fillRect(arg2, arg3, xarg1, xarg2);
break;
case 6:
gg.setColor(colors[xarg3]);
gg.drawLine(arg2, arg3, xarg1, xarg2);
break;
case 7:
xPoints = new int[arg2];
yPoints = new int[arg2];
break;
case 8:
if (arg3 != -1) {
gg.setColor(colors[arg3]);
gg.fillPolygon(xPoints, yPoints, xPoints.length);
}
gg.setColor(colors[arg2]);
gg.drawPolygon(xPoints, yPoints, xPoints.length);
break;
case 9:
if (arg3 != -1) {
gg.setColor(colors[arg3]);
gg.fillOval(xarg1-xarg3, xarg2-xarg3, xarg3*2, xarg3*2);
}
gg.setColor(colors[arg2]);
gg.drawOval(xarg1-xarg3, xarg2-xarg3, xarg3*2, xarg3*2);
break;
case 10:
for(int i=0; i<blitters.length; i++) {
if (blitters[i] == null) {
blitters[i] = new BufferedImage(arg2, arg3, BufferedImage.TYPE_3BYTE_BGR);
return i;
}
}
throw new RuntimeException("No free blitter found!");
case 11: blitters[arg2] = null; break;
case 12:
timer.start(); break;
case 13:
timer.stop(); break;
}
return 0;
case 5: // more arguments
xarg1 = arg1;
xarg2 = arg2;
xarg3 = arg3;
return 0;
case 6: // polygon vertex
xPoints[arg1]=arg2;
yPoints[arg1]=arg3;
return 0;
case 7: // string
gg.setColor(colors[arg2]);
{
String text = runtime.utfstring(arg3);
Font ft = new Font((xarg3 & 0x10) != 0 ? "Monospaced" : "Dialog",
Font.PLAIN, 100);
int height100 = this.getFontMetrics(ft).getHeight();
ft = ft.deriveFont(arg1 * 100 / (float)height100);
FontMetrics fm = this.getFontMetrics(ft);
int asc = fm.getAscent(), desc = fm.getDescent();
if ((xarg3 & ALIGN_VCENTRE) != 0)
xarg2 += asc - (asc+desc)/2;
int wid = fm.stringWidth(text);
if ((xarg3 & ALIGN_HCENTRE) != 0)
xarg1 -= wid / 2;
else if ((xarg3 & ALIGN_HRIGHT) != 0)
xarg1 -= wid;
gg.setFont(ft);
gg.drawString(text, xarg1, xarg2);
}
return 0;
case 8: // blitter_save
Graphics g2 = blitters[arg1].createGraphics();
g2.drawImage(pp.backBuffer, 0, 0, blitters[arg1].getWidth(), blitters[arg1].getHeight(),
arg2, arg3, arg2 + blitters[arg1].getWidth(), arg3 + blitters[arg1].getHeight(), this);
g2.dispose();
return 0;
case 9: // blitter_load
gg.drawImage(blitters[arg1], arg2, arg3, this);
return 0;
case 10: // dialog_init
dlg= new ConfigDialog(this, runtime.cstring(arg1));
return 0;
case 11: // dialog_add_control
{
int sval_ptr = arg1;
int ival = arg2;
int ptr = xarg1;
int type=xarg2;
String name = runtime.cstring(xarg3);
switch(type) {
case C_STRING:
dlg.addTextBox(ptr, name, runtime.cstring(sval_ptr));
break;
case C_BOOLEAN:
dlg.addCheckBox(ptr, name, ival != 0);
break;
case C_CHOICES:
dlg.addComboBox(ptr, name, runtime.cstring(sval_ptr), ival);
}
}
return 0;
case 12:
dlg.finish();
dlg = null;
return 0;
case 13: // tick a menu item
if (arg1 < 0) arg1 = customMenuItemIndex;
for (int i = 0; i < typeMenuItems.length; i++) {
if (typeMenuItems[i] instanceof JCheckBoxMenuItem) {
((JCheckBoxMenuItem)typeMenuItems[i]).setSelected
(arg1 == i);
}
}
return 0;
default:
if (cmd >= 1024 && cmd < 2048) { // palette
colors[cmd-1024] = new Color(arg1, arg2, arg3);
}
if (cmd == 1024) {
pp.setBackground(colors[0]);
if (statusBar != null) statusBar.setBackground(colors[0]);
this.setBackground(colors[0]);
}
return 0;
}
} catch (Throwable ex) {
ex.printStackTrace();
System.exit(-1);
return 0;
}
}
private void addStatusBar() {
statusBar = new JLabel("test");
statusBar.setBorder(new BevelBorder(BevelBorder.LOWERED));
getContentPane().add(BorderLayout.SOUTH,statusBar);
}
// Standalone runner
public static void main(String[] args) {
final PuzzleApplet a = new PuzzleApplet();
JFrame jf = new JFrame("Loading...");
jf.getContentPane().setLayout(new BorderLayout());
jf.getContentPane().add(a, BorderLayout.CENTER);
a.mainWindow=jf;
a.init();
a.start();
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jf.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
a.stop();
a.destroy();
}
});
jf.setVisible(true);
}
public static class PuzzlePanel extends JPanel {
private static final long serialVersionUID = 1L;
protected BufferedImage backBuffer;
public PuzzlePanel() {
setPreferredSize(new Dimension(100,100));
createBackBuffer(100,100, Color.black);
}
public void createBackBuffer(int w, int h, Color bg) {
if (w > 0 && h > 0) {
backBuffer = new BufferedImage(w,h, BufferedImage.TYPE_3BYTE_BGR);
Graphics g = backBuffer.createGraphics();
g.setColor(bg);
g.fillRect(0, 0, w, h);
g.dispose();
}
}
protected void paintComponent(Graphics g) {
g.drawImage(backBuffer, 0, 0, this);
}
}
public static class ConfigComponent {
public int type;
public int configItemPointer;
public JComponent component;
public ConfigComponent(int type, int configItemPointer, JComponent component) {
this.type = type;
this.configItemPointer = configItemPointer;
this.component = component;
}
}
public class ConfigDialog extends JDialog {
private GridBagConstraints gbcLeft = new GridBagConstraints(
GridBagConstraints.RELATIVE, GridBagConstraints.RELATIVE, 1, 1,
0, 0, GridBagConstraints.WEST, GridBagConstraints.NONE,
new Insets(0, 0, 0, 0), 0, 0);
private GridBagConstraints gbcRight = new GridBagConstraints(
GridBagConstraints.RELATIVE, GridBagConstraints.RELATIVE,
GridBagConstraints.REMAINDER, 1, 1.0, 0,
GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL,
new Insets(5, 5, 5, 5), 0, 0);
private GridBagConstraints gbcBottom = new GridBagConstraints(
GridBagConstraints.RELATIVE, GridBagConstraints.RELATIVE,
GridBagConstraints.REMAINDER, GridBagConstraints.REMAINDER,
1.0, 1.0, GridBagConstraints.CENTER,
GridBagConstraints.HORIZONTAL, new Insets(5, 5, 5, 5), 0, 0);
private static final long serialVersionUID = 1L;
private List components = new ArrayList();
public ConfigDialog(JApplet parent, String title) {
super(JOptionPane.getFrameForComponent(parent), title, true);
getContentPane().setLayout(new GridBagLayout());
}
public void addTextBox(int ptr, String name, String value) {
getContentPane().add(new JLabel(name), gbcLeft);
JComponent c = new JTextField(value, 25);
getContentPane().add(c, gbcRight);
components.add(new ConfigComponent(C_STRING, ptr, c));
}
public void addCheckBox(int ptr, String name, boolean selected) {
JComponent c = new JCheckBox(name, selected);
getContentPane().add(c, gbcRight);
components.add(new ConfigComponent(C_BOOLEAN, ptr, c));
}
public void addComboBox(int ptr, String name, String values, int selected) {
getContentPane().add(new JLabel(name), gbcLeft);
StringTokenizer st = new StringTokenizer(values.substring(1), values.substring(0,1));
JComboBox c = new JComboBox();
c.setEditable(false);
while(st.hasMoreTokens())
c.addItem(st.nextToken());
c.setSelectedIndex(selected);
getContentPane().add(c, gbcRight);
components.add(new ConfigComponent(C_CHOICES, ptr, c));
}
public void finish() {
JPanel buttons = new JPanel(new GridLayout(1, 2, 5, 5));
getContentPane().add(buttons, gbcBottom);
JButton b;
buttons.add(b=new JButton("OK"));
b.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
save();
dispose();
}
});
getRootPane().setDefaultButton(b);
buttons.add(b=new JButton("Cancel"));
b.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
dispose();
}
});
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
pack();
setLocationRelativeTo(null);
setVisible(true);
}
private void save() {
for (int i = 0; i < components.size(); i++) {
ConfigComponent cc = (ConfigComponent) components.get(i);
switch(cc.type) {
case C_STRING:
JTextField jtf = (JTextField)cc.component;
runtimeCall("jcallback_config_set_string", new int[] {cc.configItemPointer, runtime.strdup(jtf.getText())});
break;
case C_BOOLEAN:
JCheckBox jcb = (JCheckBox)cc.component;
runtimeCall("jcallback_config_set_boolean", new int[] {cc.configItemPointer, jcb.isSelected()?1:0});
break;
case C_CHOICES:
JComboBox jcm = (JComboBox)cc.component;
runtimeCall("jcallback_config_set_choice", new int[] {cc.configItemPointer, jcm.getSelectedIndex()});
break;
}
}
runtimeCall("jcallback_config_ok", new int[0]);
}
}
}