--- /dev/null
+/*
+ * 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 solveCommand;
+ private Color[] colors;
+ private JLabel statusBar;
+ private PuzzlePanel pp;
+ private Runtime runtime;
+ 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"));
+ addMenuItemWithKey(jm, "New", 'n');
+ 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();
+ addMenuItemWithKey(jm, "Undo", 'u');
+ addMenuItemWithKey(jm, "Redo", 'r');
+ jm.addSeparator();
+ solveCommand = addMenuItemCallback(jm, "Solve", "jcallback_solve_event");
+ solveCommand.setEnabled(false);
+ if (mainWindow != null) {
+ jm.addSeparator();
+ addMenuItemWithKey(jm, "Exit", 'q');
+ }
+ 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) {
+ runtimeCall("jcallback_key_event", new int[] {0, 0, e.getKeyChar()});
+ }
+ });
+ 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]);
+ }
+ });
+ SwingUtilities.invokeLater(new Runnable() {
+ public void run() {
+ runtime.start();
+ 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 void addMenuItemWithKey(JMenu jm, String name, int key) {
+ addMenuItemCallback(jm, name, "jcallback_menu_key_event", key);
+ }
+
+ private JMenuItem addMenuItemCallback(JMenu jm, String name, final String callback, final int arg) {
+ return addMenuItemCallback(jm, name, callback, new int[] {arg});
+ }
+
+ private JMenuItem addMenuItemCallback(JMenu jm, String name, final String callback) {
+ return addMenuItemCallback(jm, name, callback, new int[0]);
+ }
+
+ private JMenuItem addMenuItemCallback(JMenu jm, String name, final String callback, final int[] args) {
+ JMenuItem jmi;
+ if (jm == typeMenu)
+ typeMenu.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);
+ }
+ addMenuItemCallback(typeMenu, "Custom...", "jcallback_config_event", CFG_SETTINGS);
+ }
+
+ private void addTypeItem(String name, final int ptrGameParams) {
+ typeMenu.setVisible(true);
+ addMenuItemCallback(typeMenu, name, "jcallback_preset_event", ptrGameParams);
+ }
+
+ 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: // Type menu item
+ addTypeItem(runtime.cstring(arg1), arg2);
+ 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 = " ";
+ System.out.println("status '" + text + "'");
+ statusBar.setText(text); break;
+ case 1:
+ gg = pp.backBuffer.createGraphics();
+ if (arg2 != 0 || arg3 != 0) {
+ gg.setColor(Color.black);
+ gg.fillRect(0, 0, arg2, getHeight());
+ gg.fillRect(0, 0, getWidth(), arg3);
+ gg.fillRect(getWidth() - arg2, 0, arg2, getHeight());
+ gg.fillRect(0, getHeight() - arg3, getWidth(), arg3);
+ gg.setClip(arg2, arg3, getWidth()-2*arg2, getHeight()-2*arg3);
+ }
+ 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.fillRect(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.cstring(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;
+ else
+ xarg2 += asc;
+ 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 = typeMenu.getItemCount() - 1;
+ for (int i = 0; i < typeMenu.getItemCount(); i++) {
+ if (typeMenu.getMenuComponent(i) instanceof JCheckBoxMenuItem) {
+ ((JCheckBoxMenuItem)typeMenu.getMenuComponent(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) {
+ 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_boolean", new int[] {cc.configItemPointer, jcm.getSelectedIndex()});
+ break;
+ }
+ }
+ runtimeCall("jcallback_config_ok", new int[0]);
+ }
+ }
+}
~mdw / sgt / puzzles / blobdiff