/*
* Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
*
*
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*
*
*
*
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*/
package java.awt;
import java.io.File;
import java.io.FileInputStream;
import java.beans.ConstructorProperties;
import java.util.Hashtable;
import java.util.Properties;
import java.util.StringTokenizer;
import java.security.AccessController;
import sun.util.logging.PlatformLogger;
import sun.awt.AWTAccessor;
/**
* A class to encapsulate the bitmap representation of the mouse cursor.
*
* @see Component#setCursor
* @author Amy Fowler
*/
public class Cursor implements java.io.Serializable {
/**
* 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 int CROSSHAIR_CURSOR = 1;
/**
* The text cursor type.
*/
public static final int TEXT_CURSOR = 2;
/**
* The wait cursor type.
*/
public static final int WAIT_CURSOR = 3;
/**
* 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 NW_RESIZE_CURSOR = 6;
/**
* 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 final static Cursor[] predefinedPrivate = new Cursor[14];
/* Localization names and default values */
static final String[][] cursorProperties = {
{ "AWT.DefaultCursor", "Default Cursor" },
{ "AWT.CrosshairCursor", "Crosshair Cursor" },
{ "AWT.TextCursor", "Text Cursor" },
{ "AWT.WaitCursor", "Wait Cursor" },
{ "AWT.SWResizeCursor", "Southwest Resize Cursor" },
{ "AWT.SEResizeCursor", "Southeast Resize Cursor" },
{ "AWT.NWResizeCursor", "Northwest Resize Cursor" },
{ "AWT.NEResizeCursor", "Northeast Resize Cursor" },
{ "AWT.NResizeCursor", "North Resize Cursor" },
{ "AWT.SResizeCursor", "South Resize Cursor" },
{ "AWT.WResizeCursor", "West Resize Cursor" },
{ "AWT.EResizeCursor", "East Resize Cursor" },
{ "AWT.HandCursor", "Hand Cursor" },
{ "AWT.MoveCursor", "Move Cursor" },
};
/**
* The chosen cursor type initially set to
* the
* 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(String name) {
this.type = Cursor.CUSTOM_CURSOR;
this.name = name;
}
/**
* Returns the type for this cursor.
*/
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
*/
private static void loadSystemCustomCursorProperties() throws AWTException {
synchronized(systemCustomCursors) {
systemCustomCursorProperties = new Properties();
try {
AccessController.DEFAULT_CURSOR.
*
* @serial
* @see #getType()
*/
int type = DEFAULT_CURSOR;
/**
* The type associated with all custom cursors.
*/
public static final int CUSTOM_CURSOR = -1;
/*
* hashtable, filesystem dir prefix, filename, and properties for custom cursors support
*/
private static final HashtableGraphicsEnvironment.isHeadless returns true
*/
static public Cursor getSystemCustomCursor(final String name)
throws AWTException, HeadlessException {
GraphicsEnvironment.checkHeadless();
Cursor cursor = systemCustomCursors.get(name);
if (cursor == null) {
synchronized(systemCustomCursors) {
if (systemCustomCursorProperties == null)
loadSystemCustomCursorProperties();
}
String prefix = CursorDotPrefix + name;
String key = prefix + DotFileSuffix;
if (!systemCustomCursorProperties.containsKey(key)) {
if (log.isLoggable(PlatformLogger.Level.FINER)) {
log.finer("Cursor.getSystemCustomCursor(" + name + ") returned null");
}
return null;
}
final String fileName =
systemCustomCursorProperties.getProperty(key);
String localized = systemCustomCursorProperties.getProperty(prefix + DotNameSuffix);
if (localized == null) localized = name;
String hotspot = systemCustomCursorProperties.getProperty(prefix + DotHotspotSuffix);
if (hotspot == null)
throw new AWTException("no hotspot property defined for cursor: " + name);
StringTokenizer st = new StringTokenizer(hotspot, ",");
if (st.countTokens() != 2)
throw new AWTException("failed to parse hotspot property for cursor: " + name);
int x = 0;
int y = 0;
try {
x = Integer.parseInt(st.nextToken());
y = Integer.parseInt(st.nextToken());
} catch (NumberFormatException nfe) {
throw new AWTException("failed to parse hotspot property for cursor: " + name);
}
try {
final int fx = x;
final int fy = y;
final String flocalized = localized;
cursor = java.security.AccessController.