| /* Copyright (C) 1999, 2000, 2002 Free Software Foundation |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package java.awt; |
| |
| /** |
| * This class represents various predefined cursor types. |
| * |
| * @author Aaron M. Renn (arenn@urbanophile.com) |
| */ |
| public class Cursor implements java.io.Serializable |
| { |
| static final long serialVersionUID = 8028237497568985504L; |
| |
| /** |
| * Constant for the system default cursor type |
| */ |
| public static final int DEFAULT_CURSOR = 0; |
| |
| /** |
| * Constant for a cross-hair cursor. |
| */ |
| public static final int CROSSHAIR_CURSOR = 1; |
| |
| /** |
| * Constant for a cursor over a text field. |
| */ |
| public static final int TEXT_CURSOR = 2; |
| |
| /** |
| * Constant for a cursor to display while waiting for an action to complete. |
| */ |
| public static final int WAIT_CURSOR = 3; |
| |
| /** |
| * Cursor used over SW corner of window decorations. |
| */ |
| public static final int SW_RESIZE_CURSOR = 4; |
| |
| /** |
| * Cursor used over SE corner of window decorations. |
| */ |
| public static final int SE_RESIZE_CURSOR = 5; |
| |
| /** |
| * Cursor used over NW corner of window decorations. |
| */ |
| public static final int NW_RESIZE_CURSOR = 6; |
| |
| /** |
| * Cursor used over NE corner of window decorations. |
| */ |
| public static final int NE_RESIZE_CURSOR = 7; |
| |
| /** |
| * Cursor used over N edge of window decorations. |
| */ |
| public static final int N_RESIZE_CURSOR = 8; |
| |
| /** |
| * Cursor used over S edge of window decorations. |
| */ |
| public static final int S_RESIZE_CURSOR = 9; |
| |
| /** |
| * Cursor used over W edge of window decorations. |
| */ |
| public static final int W_RESIZE_CURSOR = 10; |
| |
| /** |
| * Cursor used over E edge of window decorations. |
| */ |
| public static final int E_RESIZE_CURSOR = 11; |
| |
| /** |
| * Constant for a hand cursor. |
| */ |
| public static final int HAND_CURSOR = 12; |
| |
| /** |
| * Constant for a cursor used during window move operations. |
| */ |
| public static final int MOVE_CURSOR = 13; |
| |
| public static final int CUSTOM_CURSOR = 0xFFFFFFFF; |
| |
| private static final int PREDEFINED_COUNT = 14; |
| |
| protected static Cursor[] predefined = new Cursor[PREDEFINED_COUNT]; |
| protected String name; |
| |
| /** |
| * @serial The numeric id of this cursor. |
| */ |
| int type; |
| |
| /** |
| * Initializes a new instance of <code>Cursor</code> with the specified |
| * type. |
| * |
| * @param type The cursor type. |
| * |
| * @exception IllegalArgumentException If the specified cursor type is invalid |
| */ |
| public Cursor(int type) |
| { |
| if (type < 0 || type >= PREDEFINED_COUNT) |
| throw new IllegalArgumentException ("invalid cursor " + type); |
| |
| this.type = type; |
| // FIXME: lookup and set name? |
| } |
| |
| /** This constructor is used internally only. |
| * Application code should call Toolkit.createCustomCursor(). |
| */ |
| protected Cursor(String name) |
| { |
| this.name = name; |
| this.type = CUSTOM_CURSOR; |
| } |
| |
| /** |
| * Returns an instance of <code>Cursor</code> for one of the specified |
| * predetermined types. |
| * |
| * @param type The type contant from this class. |
| * |
| * @return The requested predefined cursor. |
| * |
| * @exception IllegalArgumentException If the constant is not one of the |
| * predefined cursor type constants from this class. |
| */ |
| public static Cursor getPredefinedCursor(int type) |
| { |
| if (type < 0 || type >= PREDEFINED_COUNT) |
| throw new IllegalArgumentException ("invalid cursor " + type); |
| if (predefined[type] == null) |
| predefined[type] = new Cursor(type); |
| return predefined[type]; |
| } |
| |
| /** |
| * Retrieves the system specific custom Cursor named Cursor names are, |
| * for example: "Invalid.16x16". |
| * |
| * @exception AWTException |
| * @exception HeadlessException If GraphicsEnvironment.isHeadless() |
| * returns true. |
| */ |
| public static Cursor getSystemCustomCursor(String name) |
| throws AWTException |
| { |
| if (GraphicsEnvironment.isHeadless()) |
| throw new HeadlessException (); |
| |
| // FIXME |
| return null; |
| } |
| |
| /** |
| * Returns an instance of the system default cursor type. |
| * |
| * @return The system default cursor. |
| */ |
| public static Cursor getDefaultCursor() |
| { |
| return getPredefinedCursor(DEFAULT_CURSOR); |
| } |
| |
| /** |
| * Returns the numeric type identifier for this cursor. |
| * |
| * @return The cursor id. |
| */ |
| public int getType() |
| { |
| return type; |
| } |
| |
| public String getName() |
| { |
| return name; |
| } |
| |
| public String toString() |
| { |
| return (this.getClass() + "[" + getName() + "]"); |
| } |
| } |