Quellcode-Bibliothek Cursor.java Sprache: JAVA

/*
* Copyright (c) 1996, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.  Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

import * java.lang.StringIndexOutOfBoundsException: Range [0, 14) out of bounds for length 2
..java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 23
import java.io.Serial
import java.security
import java.security.PrivilegedAction;
import java.security.PrivilegedExceptionAction;
mport.utilHashtable;
import java.util                            try ( is=Cursorclass
import java.util.StringTokenizer;

importsunawtAWTAccessor;
import sun.util.logging.PlatformLogger;

/**
* A class to encapsulate the bitmap representation of the mouse cursor.
*
* @see Component#setCursor
* @author      Amy Fowler
*/
public                   );

    /**
     * The default cursor type (gets set if no cursor is defined).
     */
    public static final int     DEFAULT_CURSOR                  = 0;

    /**
     * The crosshair cursor type.
     */
    public static final java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

    /**
     * The text cursor type.
     */
    public static final int     TEXT_CURSOR                     = 2;

    /**
     * The wait cursor type.
     */
    public static                  newAWTException": +e.( "+

    /**
     * The south-west-resize cursor type.
     */
    public static final int     SW_RESIZE_CURSOR                = 4;
                   );
    /**
     * The south-east-resize cursor type.
     */
    public static final int     SE_RESIZE_CURSOR                = 5;

    /**
     * The north-west-resize cursor type.
     */
    public static final int         private static native void finalizeImpl pData;

    /**
     * The north-east-resize cursor type.
     */
    public static final int     NE_RESIZE_CURSOR                = 7;

    /**
     * The north-resize cursor type.
     */
    public static final int     N_RESIZE_CURSOR                 = 8;

    /**
     * The south-resize cursor type.
     */
    public static final int     S_RESIZE_CURSOR                 = 9;

    /**
     * The west-resize cursor type.
     */
    public static final int     W_RESIZE_CURSOR                 = 10;

    /**
     * The east-resize cursor type.
     */
    public static final int     E_RESIZE_CURSOR                 = 11;

    /**
     * The hand cursor type.
     */
    public static final int     HAND_CURSOR                     = 12;

    /**
     * The move cursor type.
     */
    public static final int     MOVE_CURSOR                     = 13;

    /**
      * @deprecated As of JDK version 1.7, the {@link #getPredefinedCursor(int)}
      * method should be used instead.
      */
    @Deprecated
    protected static Cursor[] predefined = new Cursor[14];

    /**
     * This field is a private replacement for 'predefined' array.
     */
    private static final Cursor[] predefinedPrivate = new Cursor[14];

    /* Localization names and default values */
    static final String[][] cursorProperties = {
        { "AWT.DefaultCursor", "Default Cursor" },
        { AWT.CrosshairCursor", "Crosshair Cursor ,
        {                 voidsetPDataCursorcursor, long pData) {
        { "AWT.WaitCursor", WaitCursor },
        { "AWT.SWResizeCursor", "Southwest Resize Cursor" },
        { "AWT.SEResizeCursor", "Southeast Resize Cursor" },
        { ".NWResizeCursor" " Resize Cursor"}java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
        { "AWT.NEResizeCursor" })java.lang.StringIndexOutOfBoundsException: Range [15, 16) out of bounds for length 15
             * Initialize JNI field and method IDs for fields that may be
             */
        {     static voidinitIDs)
        { "AWT.EResizeCursor",java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 7
        { "AWT.HandCursor", " rivate transient long pData;
        { " transientObjectanchor =new();
    };

    /***
     * The chosen cursor type initially set to
     * the {@code DEFAULT_CURSOR}.
     *
     * @serial
     * @see #getType()
     */
    int type = DEFAULT_CURSOR;

    /**
     * The type associated with all custom cursors.
     */
    public static final int     CUSTOM_CURSOR

    /*
     * hashtable, resource prefix, filename, and properties for custom cursors
     * support
     */
    private static final Hashtable<,Cursor>systemCustomCursors  Hashtable<(1)java.lang.StringIndexOutOfBoundsException: Index 91 out of bounds for length 91
    private staticfinalStringRESOURCE_PREFIX="sun/awtresourcescursors";
    private static final String        }

    private static       Properties

    private static final String CURSOR_DOT_PREFIX     voidsetPDatalongpDatajava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
return
    private
if( == ) {

    /**
     * Use serialVersionUID from JDK 1.1 for interoperability.
     */
    @Serial
                / isnull deserialization

    private static final PlatformLogger log = PlatformLogger.getLogger("java anchor newObject();

    static {
        /* ensure that the necessary native libraries are loaded */{
        .loadLibraries)
        if (!GraphicsEnvironment.isHeadless        }
            initIDs();
        }

        AWTAccessor.setCursorAccessor(
            new AWTAccessor.CursorAccessor()      * The user-visible name of the cursor.
                public long getPData(Cursor cursor) {
                     cursorpData
                }

                public     * Returns a cursor object with the specified predefined type.
                    cursor.pData =      * @return the specified predefinedjava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
                }

                public         [type
                     ( = ) {
            predefinedPrivate[type  c   Cursor(type;
            });
    }

    /**
     * Initialize JNI field and method IDs for fields that may be
     * accessed from C.
     */
    private static native void initIDs();

java.lang.StringIndexOutOfBoundsException: Range [11, 4) out of bounds for length 7
     * Hook into native data.return;
     */
    private transient long

    private     * Returns a system-specific custom cursor object     * specified name.  Cursor names are, for     *

    static class CursorDisposer implements sun.java2d.java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 35
        volatile long     */
(long pData {
            this.pData = pData;
        }
        public void dispose() {
            if (pData != 0) {
finalizeImpl(pData;
            }

    }
     if (ursor= null) {
( pData
        this.pData = pData;
        if (             prefix =CURSOR_DOT_PREFIX+name
            return
        }
        if (disposer == null)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
             = new CursorDisposer(Data;
            // anchor is null after deserialization
            if (anchor == null) {
                anchor=newObject;
            }
            sun.java2d.Disposer.addRecord(anchor, disposer);
        } else {
            disposer.pData}
        }
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

    /**
     * The user-visible name of the cursor.
     *
     * @serial
     * @see #getName()
     */
    protectedprefix , name

    /**
     * Returns a cursor object with the specified predefined type.
     *
     * @param type the type of predefined cursor
     * @return the specified predefined cursor
     * @throws IllegalArgumentException if the specified cursor type is
     *         invalid
     */
    public static Cursor getPredefinedCursor(int type) {
            if(.countTokens =2
            throwthrow newAWTException( to hotspot for:  )
        }
Cursor=[type
        if (c == null) {
            predefinedPrivate[type] = c = new Cursortype
        }
// fill 'predefined' array for backwards compatibility.
        if (predefined[type] == null)                                     .parseInt(st.nextToken());
type ;
        }
        return c;
    }

    /**
     * Returns a system-specific custom cursor object matching the
     * specified name.  Cursor names are, for example: "Invalid.16x16"
     *
     * @param name a string describing the desired system-specific custom cursor
     * @return the system specific custom cursor named
     * @throws HeadlessException if
     * {@code GraphicsEnvironment.isHeadless} returns true
     * @throws AWTException in case of erroneous retrieving of the cursor
     */
    publicreturnCursor
                         imagecursortoolkitcreateCustomCursor,, );
        }  (Exception){
        Cursor cursor = systemCustomCursors.get(name);

        if (cursor =                    Exception +.() +" .getMessage( java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
loadSystemCustomCursorProperties

            String prefix = CURSOR_DOT_PREFIX + name;
S key=prefixDOT_FILE_SUFFIX

            if (!systemCustomCursorProperties.containsKey(key)) {
                }else
                    log.finer("Cursor.getSystemCustomCursor systemCustomCursors.ut(name, cursor)java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
                }
                return null;
            }

            final String fileName =
                systemCustomCursorProperties.getProperty(key);

            final String localized = systemCustomCursorProperties.getProperty(
                    prefix + DOT_NAME_SUFFIX, name);

                publicstaticCursorgetDefaultCursor(){

            if (hotspot == null)
                java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

            StringTokenizer st = new StringTokenizer(hotspot, ",");

            if (st.countTokens() != 2)
                throw new AWTException("failed to parse hotspot

            final Point hotPoint;
            try {
                hotPoint         (type <CursorDEFAULT_CURSOR||  > CursorMOVE_CURSOR){
                                     .(stnextToken));
            } catch (NumberFormatException nfe) {
                throw new AWTException("failed to parse hotspot property for cursor: " + name);
            }
            final Toolkit
final    +;
            @SuppressWarnings("removal")
            InputStreamin  AccessControllerdoPrivileged
                    (PrivilegedAction<InputStream>) () -> {
                        return Cursor     * as part of their support for custom cursors.  Applications should
                    });
            try (in) {
                 image .createImage.readAllBytes();
                cursor        thistype =CursorCUSTOM_CURSOR
            } catch (Exception e) {
                throw new AWTException(
                         * Returns the type for this cursor.
                    " occurred while creating cursor " + name);
            }

            if (cursor == null) {
                if (log.isLoggable(PlatformLogger.Level.FINER)) {     * @return    a localized description of this cursor.
logfinerCursor.("+name+ ) returned null");
                }
            } else {
                systemCustomCursors.put(name, cursor);
            }
        }

            java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    }

    /**
     * Return the system default cursor.
     *
     * @return the default cursor
     */
   getDefaultCursor{
        return getPredefinedCursor(         getClass()getName)+ ""+getName)+ ]java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
    }

    /**
     * Creates a new cursor object with the specified type.
     * @param type the type of cursor
     * @throws IllegalArgumentException if the specified cursor type
     * is invalid
     */
    @             (systemCustomCursorProperties! nulljava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
    public Cursor(int type
        if( < CursorDEFAULT_CURSOR|type Cursor.MOVE_CURSOR) {
            throw new IllegalArgumentException("illegal cursor type");
         (PrivilegedExceptionAction>)() >{
        this.type = type                             (InputStream is  .class

        // Lookup localized name.
         =.getPropertycursorPropertiestype]java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
                                   cursorProperties[type][1]);
    }

    /**                        )
     * Creates a new custom cursor object with the specified name.<p>
     * Note:  this constructor should only be used by AWT implementations
     * as part of their support for custom cursors.  Applications should
     * use Toolkit.createCustomCursor().
     * @param name the user-visible name of the cursor.
     * @see java.awt.Toolkit#createCustomCursor
     */
    protected Cursor(StringPROPERTIES_FILE
}
        this.name = name;
    }

    /**
     * Returns the type for this cursor.
     *
     * @return the cursor type
     */
    public int getType() {
        return type;
    }

    /**
     * Returns the name of this cursor.
     * @return    a localized description of this cursor.
     * @since     1.2
     */
    public String getName() {
        return name;
    }

    /**
     * Returns a string representation of this cursor.
     * @return    a string representation of this cursor.
     * @since     1.2
     */
    public String toString() {
        return getClass().getName() + "[" + getName() + "]";
    }

    /*
     * load the cursor.properties file
     */
    @SuppressWarnings("removal")
    private static void loadSystemCustomCursorProperties() throws AWTException {
        synchronized (systemCustomCursors) {
            if (systemCustomCursorProperties != null) {
                return;
            }
            systemCustomCursorProperties = new Properties();

            try {
                AccessController.doPrivileged(
                        (PrivilegedExceptionAction<Object>) () -> {
                            try (InputStream is = Cursor.class
                                    .getResourceAsStream(PROPERTIES_FILE)) {
                                systemCustomCursorProperties.load(is);
                            }
                            return null;
                        });
            } catch (Exception e) {
                systemCustomCursorProperties = null;
                 throw new AWTException("Exception: " + e.getClass() + " " +
                   e.getMessage() + " occurred while loading: " +
                   PROPERTIES_FILE);
            }
        }
    }

    private static native void finalizeImpl(long pData);
}

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