jpcapplication.java

来自「JPC: x86 PC Hardware Emulator. 牛津大学开发的一个」· Java 代码 · 共 467 行 · 第 1/2 页

                            BlockDevice hda = new TreeBlockDevice(file, true);
                            DriveSet drives = pc.getDrives();
                            drives.setHardDrive(0, hda);
                            setTitle("JPC - " + file);
                        }
                        else if (fileChooser == diskImageChooser)
                        {
                            System.out.println("loading image");

                            BlockDevice device = null;
                            Class blockClass = Class.forName("org.jpc.support.FileBackedSeekableIODevice");
                            SeekableIODevice ioDevice = (SeekableIODevice)(blockClass.newInstance());
                            ioDevice.configure(file.getPath());
                            device = new RawBlockDevice(ioDevice);
                            DriveSet drives = pc.getDrives();
                            drives.setHardDrive(0, device);
                        
                            setTitle("JPC - " + file);
                        }
                        else if (fileChooser == snapshotChooser)
                        {
                            /*DataInputStream in = new DataInputStream(zip.getInputStream(entry));
                              int len = in.readInt();
                              String[] args = new String[len];
                              for (int i=0; i<len; i++)
                              args[i] = in.readUTF();
                              zip.close();*/
                            //pc = PC.createPC(args, new VirtualClock()); 
                            //monitor = new PCMonitor(pc);
                            System.out.println("Loading a snapshot of JPC");
                            pc.loadState(file);
                            System.out.println("Loading data");
                            pc.getGraphicsCard().resizeDisplay(monitor);
                            monitor.loadState(file);
                            System.out.println("done");
                        }
                    }
                }
                catch (IndexOutOfBoundsException e)
                {
                    //there were too many files in the directory tree selected
                    System.out.println("too many files");
                    JOptionPane.showMessageDialog(this, "The directory you selected contains too many files. Try selecting a directory with fewer contents.", "Error loading directory", JOptionPane.ERROR_MESSAGE, null);
                    return;
                }
                catch (Exception e)
                {
                    System.err.println(e);
                }
            }
            
            monitor.stopUpdateThread();
            if (reboot)
                pc.reset();
            monitor.revalidate();
            monitor.requestFocus();
            
            if (reboot)
                reset();
        }
    }

    private void saveSnapShot()
    {
        if (running)
            stop();
        int returnVal = snapshotChooser.showDialog(this, "Save JPC Snapshot");
        File file = snapshotChooser.getSelectedFile();
        
        if (returnVal == 0)
            try
            {
                DataOutputStream out = new DataOutputStream(new FileOutputStream(file));
                ZipOutputStream zip = new ZipOutputStream(out);
                
                pc.saveState(zip);
                monitor.saveState(zip);
                zip.close();
            }
            catch (Exception e)
            {
                System.err.println(e);
            }
        
        start();
    }

    private void showAboutUs()
    {
        Object[] buttons = {"Visit our Website", "Ok"};
        int i =JOptionPane.showOptionDialog(this, aboutUsText, "JPC info", JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE, null, buttons, buttons[1]);
        if (i == 0)
        {
            Desktop desktop = null;
            if (Desktop.isDesktopSupported()) 
            {
                desktop = Desktop.getDesktop();
                try
                {
                    desktop.browse(new URI("http://www-jpc.physics.ox.ac.uk"));
                }
                catch (Exception e)
                {
                    System.err.println(e);
                }
            }
        }
    }

    private void changeFloppy(int i)
    {
        int returnVal = floppyImageChooser.showDialog(this, "Load Floppy Drive Image");
        File file = floppyImageChooser.getSelectedFile();
        
        if (returnVal == 0)
            try
            {
                BlockDevice device = null;
                Class blockClass = Class.forName("org.jpc.support.FileBackedSeekableIODevice");
                SeekableIODevice ioDevice = (SeekableIODevice)(blockClass.newInstance());
                ioDevice.configure(file.getPath());
                device = new RawBlockDevice(ioDevice);
                pc.setFloppy(device, i);
            }
            catch (Exception e)
            {
                System.err.println(e);
            }
    }

    public void actionPerformed(ActionEvent evt)
    {
        super.actionPerformed(evt);

        if (evt.getSource() == doubleSize)
        {
            if (doubleSize.isSelected())
                setBounds(100, 100, (WIDTH*2)+20, (HEIGHT*2)+70);
            else
                setBounds(100, 100, WIDTH+20, HEIGHT+70);
        }
        else if (evt.getSource() == load)
            load("a directory", diskDirChooser, true);
        else if (evt.getSource() == image)
        {
            System.out.println("received image event");
            load("a disk image", diskImageChooser, true);
        }
        else if ((evt.getSource() == dosgamesImage) || (evt.getSource() == moregamesImage) || (evt.getSource() == mousegamesImage))
        {
            String fileName = "dosgames.img";
            if (evt.getSource() == moregamesImage)
                fileName = "moregames.img";
            else if (evt.getSource() == mousegamesImage)
                fileName = "mousegames.img";
            load(fileName, null, true);
        }
        else if (evt.getSource() == loadSnapshot)
            load("a snapshot", snapshotChooser, false);
        else if (evt.getSource() == saveSnapshot)
            saveSnapShot();
        else if (evt.getSource() == changeFloppyA)
            changeFloppy(0);
        else if (evt.getSource() == changeFloppyB)
            changeFloppy(1);
        else if (evt.getSource() == gettingStarted)
        {
            stop();
            getMonitorPane().setViewportView(licence);
        }
        else if (evt.getSource() == aboutUs)
            showAboutUs();
    }
    
    private static class ImageFileFilter extends javax.swing.filechooser.FileFilter
    {
        public boolean accept(File f) 
        {
            if (f.isDirectory()) 
                return true;
                
            String extension = getExtension(f);
            if ((extension != null) && (extension.equals("img")))
                return true;
            return false;
        }
            
        private String getExtension(File f) 
        {
            String ext = null;
            String s = f.getName();
            int i = s.lastIndexOf('.');
                
            if (i > 0 &&  i < s.length() - 1) 
            {
                ext = s.substring(i+1).toLowerCase();
            }
            return ext;
        }

        public String getDescription()
        {
            return "Shows disk image files and directories";
        }
    }


    public static void main(String[] args) throws Exception
    { 
        try
        {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        }
        catch (Exception e) {}

        if (args.length == 0)
            args = defaultArgs;
        
        PC pc = PC.createPC(args, new VirtualClock()); 
        JPCApplication app = new JPCApplication(args, pc);
        
        app.setBounds(100, 100, WIDTH+20, HEIGHT+70);
        try
        {
            app.setIconImage(Toolkit.getDefaultToolkit().getImage(ClassLoader.getSystemResource("resource/jpcicon.png")));
        }
        catch (Exception e) {}
        
        app.validate();
        app.setVisible(true);
    }
}