Java tutorial
/* * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * -Redistribution of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * -Redistribution 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. * * Neither the name of Sun Microsystems, Inc. or the names of contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * * This software is provided "AS IS," without a warranty of any kind. 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IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * You acknowledge that this software is not designed, licensed or intended * for use in the design, construction, operation or maintenance of any * nuclear facility. */ /* 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(); } } }