Java Graphics Environment getMenuShortCutKeyMask()

Description

need to guard against headlessExceptions when testing.

License

Open Source License

Return

the acceletor mask for shortcuts.

Declaration

private static int getMenuShortCutKeyMask() 

Method Source Code

//package com.java2s;
/*/*from w  ww . j  a  v  a 2  s  .  co m*/
 * #%L
 * The AIBench Plugin Manager Plugin
 * %%
 * Copyright (C) 2006 - 2016 Daniel Glez-Pe?a and Florentino Fdez-Riverola
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/lgpl-3.0.html>.
 * #L%
 */

import java.awt.GraphicsEnvironment;

import java.awt.Toolkit;

import java.awt.event.KeyEvent;

import java.util.Locale;

public class Main {
    /** Operating system is Windows NT. */
    public static final int OS_WINNT = 1 << 0;
    /** Operating system is Windows 95. */
    public static final int OS_WIN95 = OS_WINNT << 1;
    /** Operating system is Windows 98. */
    public static final int OS_WIN98 = OS_WIN95 << 1;
    /** Operating system is Solaris. */
    public static final int OS_SOLARIS = OS_WIN98 << 1;
    /** Operating system is Linux. */
    public static final int OS_LINUX = OS_SOLARIS << 1;
    /** Operating system is HP-UX. */
    public static final int OS_HP = OS_LINUX << 1;
    /** Operating system is IBM AIX. */
    public static final int OS_AIX = OS_HP << 1;
    /** Operating system is SGI IRIX. */
    public static final int OS_IRIX = OS_AIX << 1;
    /** Operating system is Sun OS. */
    public static final int OS_SUNOS = OS_IRIX << 1;
    /** Operating system is Compaq TRU64 Unix */
    public static final int OS_TRU64 = OS_SUNOS << 1;
    /** Operating system is OS/2. */
    public static final int OS_OS2 = OS_TRU64 << 2;
    /** Operating system is Mac. */
    public static final int OS_MAC = OS_OS2 << 1;
    /** Operating system is Windows 2000. */
    public static final int OS_WIN2000 = OS_MAC << 1;
    /** Operating system is Compaq OpenVMS */
    public static final int OS_VMS = OS_WIN2000 << 1;
    /**
     *Operating system is one of the Windows variants but we don't know which
     *one it is
     */
    public static final int OS_WIN_OTHER = OS_VMS << 1;
    /** Operating system is unknown. */
    public static final int OS_OTHER = OS_WIN_OTHER << 1;
    /** Operating system is FreeBSD
     * @since 4.50
     */
    public static final int OS_FREEBSD = OS_OTHER << 1;
    private static int operatingSystem = -1;

    /**
     * need to guard against headlessExceptions when testing.
     * @return the acceletor mask for shortcuts.
     */
    private static int getMenuShortCutKeyMask() {
        if (GraphicsEnvironment.isHeadless()) {
            return ((getOperatingSystem() & OS_MAC) != 0) ? KeyEvent.META_MASK
                    : KeyEvent.CTRL_MASK;
        }

        return Toolkit.getDefaultToolkit().getMenuShortcutKeyMask();
    }

    /** Get the operating system on which NetBeans is running.
     * @return one of the <code>OS_*</code> constants (such as {@link #OS_WINNT})
     */
    public static int getOperatingSystem() {
        if (operatingSystem == -1) {
            String osName = System.getProperty("os.name");

            if ("Windows NT".equals(osName)) { // NOI18N
                operatingSystem = OS_WINNT;
            } else if ("Windows 95".equals(osName)) { // NOI18N
                operatingSystem = OS_WIN95;
            } else if ("Windows 98".equals(osName)) { // NOI18N
                operatingSystem = OS_WIN98;
            } else if ("Windows 2000".equals(osName)) { // NOI18N
                operatingSystem = OS_WIN2000;
            } else if (osName.startsWith("Windows ")) { // NOI18N
                operatingSystem = OS_WIN_OTHER;
            } else if ("Solaris".equals(osName)) { // NOI18N
                operatingSystem = OS_SOLARIS;
            } else if (osName.startsWith("SunOS")) { // NOI18N
                operatingSystem = OS_SOLARIS;
            }
            // JDK 1.4 b2 defines os.name for me as "Redhat Linux" -jglick
            else if (osName.endsWith("Linux")) { // NOI18N
                operatingSystem = OS_LINUX;
            } else if ("HP-UX".equals(osName)) { // NOI18N
                operatingSystem = OS_HP;
            } else if ("AIX".equals(osName)) { // NOI18N
                operatingSystem = OS_AIX;
            } else if ("Irix".equals(osName)) { // NOI18N
                operatingSystem = OS_IRIX;
            } else if ("SunOS".equals(osName)) { // NOI18N
                operatingSystem = OS_SUNOS;
            } else if ("Digital UNIX".equals(osName)) { // NOI18N
                operatingSystem = OS_TRU64;
            } else if ("OS/2".equals(osName)) { // NOI18N
                operatingSystem = OS_OS2;
            } else if ("OpenVMS".equals(osName)) { // NOI18N
                operatingSystem = OS_VMS;
            } else if (osName.equals("Mac OS X")) { // NOI18N
                operatingSystem = OS_MAC;
            } else if (osName.startsWith("Darwin")) { // NOI18N
                operatingSystem = OS_MAC;
            } else if (osName.toLowerCase(Locale.US).startsWith("freebsd")) { // NOI18N 
                operatingSystem = OS_FREEBSD;
            } else {
                operatingSystem = OS_OTHER;
            }
        }
        return operatingSystem;
    }
}

Related

1. getDefaultGraphicsConfig()
2. getDesktopSize()
3. getLocalGraphicsEnvironment()
4. getMaximumWindowBounds()
5. getMaximumWindowDimension()
6. getWindowMaxBounds()
7. isInteractive()