Full screen: Display Mode Test : Full Screen « 2D Graphics GUI « Java





Full screen: Display Mode Test

Full screen: Display Mode Test
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/*
 test @(#)DisplayModeTest.java  1.4 01/07/17
 @bug 4189326
 @summary Tests changing display mode
 @author martak@eng: area=FullScreen
 @ignore This test enters full-screen mode, if available, and should not
 be run as an applet or as part of the test harness.
 */

/**
 * This test generates a table of all available display modes, enters
 * full-screen mode, if available, and allows you to change the display mode.
 * The application should look fine under each enumerated display mode. On UNIX,
 * only a single display mode should be available, and on Microsoft Windows,
 * display modes should depend on direct draw availability and the type of
 * graphics card.
 */

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.DisplayMode;
import java.awt.FlowLayout;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableColumn;

class DisplayModeModel extends DefaultTableModel {
  private DisplayMode[] modes;

  public DisplayModeModel(DisplayMode[] modes) {
    this.modes = modes;
  }

  public DisplayMode getDisplayMode(int r) {
    return modes[r];
  }

  public String getColumnName(int c) {
    return DisplayModeTest.COLUMN_NAMES[c];
  }

  public int getColumnCount() {
    return DisplayModeTest.COLUMN_WIDTHS.length;
  }

  public boolean isCellEditable(int r, int c) {
    return false;
  }

  public int getRowCount() {
    if (modes == null) {
      return 0;
    }
    return modes.length;
  }

  public Object getValueAt(int rowIndex, int colIndex) {
    DisplayMode dm = modes[rowIndex];
    switch (colIndex) {
    case DisplayModeTest.INDEX_WIDTH:
      return Integer.toString(dm.getWidth());
    case DisplayModeTest.INDEX_HEIGHT:
      return Integer.toString(dm.getHeight());
    case DisplayModeTest.INDEX_BITDEPTH: {
      int bitDepth = dm.getBitDepth();
      String ret;
      if (bitDepth == DisplayMode.BIT_DEPTH_MULTI) {
        ret = "Multi";
      } else {
        ret = Integer.toString(bitDepth);
      }
      return ret;
    }
    case DisplayModeTest.INDEX_REFRESHRATE: {
      int refreshRate = dm.getRefreshRate();
      String ret;
      if (refreshRate == DisplayMode.REFRESH_RATE_UNKNOWN) {
        ret = "Unknown";
      } else {
        ret = Integer.toString(refreshRate);
      }
      return ret;
    }
    }
    throw new ArrayIndexOutOfBoundsException("Invalid column value");
  }

}

public class DisplayModeTest extends JFrame implements ActionListener,
    ListSelectionListener {

  private boolean waiting = false;

  private GraphicsDevice device;

  private DisplayMode originalDM;

  private JButton exit = new JButton("Exit");

  private JButton changeDM = new JButton("Set Display");

  private JLabel currentDM = new JLabel();

  private JTable dmList = new JTable();

  private JScrollPane dmPane = new JScrollPane(dmList);

  private boolean isFullScreen = false;

  public static final int INDEX_WIDTH = 0;

  public static final int INDEX_HEIGHT = 1;

  public static final int INDEX_BITDEPTH = 2;

  public static final int INDEX_REFRESHRATE = 3;

  public static final int[] COLUMN_WIDTHS = new int[] { 100, 100, 100, 100 };

  public static final String[] COLUMN_NAMES = new String[] { "Width",
      "Height", "Bit Depth", "Refresh Rate" };

  public DisplayModeTest(GraphicsDevice device) {
    super(device.getDefaultConfiguration());
    this.device = device;
    setTitle("Display Mode Test");
    originalDM = device.getDisplayMode();
    setDMLabel(originalDM);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    // Make sure a DM is always selected in the list
    exit.addActionListener(this);
    changeDM.addActionListener(this);
    changeDM.setEnabled(device.isDisplayChangeSupported());
  }

  public void actionPerformed(ActionEvent ev) {
    Object source = ev.getSource();
    if (source == exit) {
      device.setDisplayMode(originalDM);
      System.exit(0);
    } else { // if (source == changeDM)
      int index = dmList.getSelectionModel().getAnchorSelectionIndex();
      if (index >= 0) {
        DisplayModeModel model = (DisplayModeModel) dmList.getModel();
        DisplayMode dm = model.getDisplayMode(index);
        device.setDisplayMode(dm);
        setDMLabel(dm);
        setSize(new Dimension(dm.getWidth(), dm.getHeight()));
        validate();
      }
    }
  }

  public void valueChanged(ListSelectionEvent ev) {
    changeDM.setEnabled(device.isDisplayChangeSupported());
  }

  private void initComponents(Container c) {
    setContentPane(c);
    c.setLayout(new BorderLayout());
    // Current DM
    JPanel currentPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
    c.add(currentPanel, BorderLayout.NORTH);
    JLabel current = new JLabel("Current Display Mode : ");
    currentPanel.add(current);
    currentPanel.add(currentDM);
    // Display Modes
    JPanel modesPanel = new JPanel(new GridLayout(1, 2));
    c.add(modesPanel, BorderLayout.CENTER);
    // List of display modes
    for (int i = 0; i < COLUMN_WIDTHS.length; i++) {
      TableColumn col = new TableColumn(i, COLUMN_WIDTHS[i]);
      col.setIdentifier(COLUMN_NAMES[i]);
      col.setHeaderValue(COLUMN_NAMES[i]);
      dmList.addColumn(col);
    }
    dmList.getSelectionModel().setSelectionMode(
        ListSelectionModel.SINGLE_SELECTION);
    dmList.getSelectionModel().addListSelectionListener(this);
    modesPanel.add(dmPane);
    // Controls
    JPanel controlsPanelA = new JPanel(new BorderLayout());
    modesPanel.add(controlsPanelA);
    JPanel controlsPanelB = new JPanel(new GridLayout(2, 1));
    controlsPanelA.add(controlsPanelB, BorderLayout.NORTH);
    // Exit
    JPanel exitPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
    controlsPanelB.add(exitPanel);
    exitPanel.add(exit);
    // Change DM
    JPanel changeDMPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
    controlsPanelB.add(changeDMPanel);
    changeDMPanel.add(changeDM);
    controlsPanelA.add(new JPanel(), BorderLayout.CENTER);
  }

  public void setVisible(boolean isVis) {
    super.setVisible(isVis);
    if (isVis) {
      dmList.setModel(new DisplayModeModel(device.getDisplayModes()));
    }
  }

  public void setDMLabel(DisplayMode newMode) {
    int bitDepth = newMode.getBitDepth();
    int refreshRate = newMode.getRefreshRate();
    String bd, rr;
    if (bitDepth == DisplayMode.BIT_DEPTH_MULTI) {
      bd = "Multi";
    } else {
      bd = Integer.toString(bitDepth);
    }
    if (refreshRate == DisplayMode.REFRESH_RATE_UNKNOWN) {
      rr = "Unknown";
    } else {
      rr = Integer.toString(refreshRate);
    }
    currentDM.setText(COLUMN_NAMES[INDEX_WIDTH] + ": " + newMode.getWidth()
        + " " + COLUMN_NAMES[INDEX_HEIGHT] + ": " + newMode.getHeight()
        + " " + COLUMN_NAMES[INDEX_BITDEPTH] + ": " + bd + " "
        + COLUMN_NAMES[INDEX_REFRESHRATE] + ": " + rr);
  }

  public void begin() {
    isFullScreen = device.isFullScreenSupported();
    setUndecorated(isFullScreen);
    setResizable(!isFullScreen);
    if (isFullScreen) {
      // Full-screen mode
      device.setFullScreenWindow(this);
      validate();
    } else {
      // Windowed mode
      pack();
      setVisible(true);
    }
  }

  public static void main(String[] args) {
    GraphicsEnvironment env = GraphicsEnvironment
        .getLocalGraphicsEnvironment();
    GraphicsDevice[] devices = env.getScreenDevices();
    // REMIND : Multi-monitor full-screen mode not yet supported
    for (int i = 0; i < 1 /* devices.length */; i++) {
      DisplayModeTest test = new DisplayModeTest(devices[i]);
      test.initComponents(test.getContentPane());
      test.begin();
    }
  }
}
           
       










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