jdk/src/solaris/classes/sun/awt/X11/XAtomList.java
author yan
Mon, 06 Oct 2008 16:45:00 +0400
changeset 1966 12a51fb0db0d
parent 2 90ce3da70b43
child 5506 202f599c92aa
permissions -rw-r--r--
5100701: Toolkit.getLockingKeyState() does not work on XToolkit, but works on Motif Summary: Does not work on Motif but works on XToolkit now; implemented using XQueryPointer. Reviewed-by: anthony
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2
90ce3da70b43 Initial load
duke
parents:
diff changeset
     1
/*
90ce3da70b43 Initial load
duke
parents:
diff changeset
     2
 * Copyright 2003-2005 Sun Microsystems, Inc.  All Rights Reserved.
90ce3da70b43 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
90ce3da70b43 Initial load
duke
parents:
diff changeset
     4
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
90ce3da70b43 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
90ce3da70b43 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.  Sun designates this
90ce3da70b43 Initial load
duke
parents:
diff changeset
     8
 * particular file as subject to the "Classpath" exception as provided
90ce3da70b43 Initial load
duke
parents:
diff changeset
     9
 * by Sun in the LICENSE file that accompanied this code.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    10
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
    11
 * This code is distributed in the hope that it will be useful, but WITHOUT
90ce3da70b43 Initial load
duke
parents:
diff changeset
    12
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
90ce3da70b43 Initial load
duke
parents:
diff changeset
    13
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
90ce3da70b43 Initial load
duke
parents:
diff changeset
    14
 * version 2 for more details (a copy is included in the LICENSE file that
90ce3da70b43 Initial load
duke
parents:
diff changeset
    15
 * accompanied this code).
90ce3da70b43 Initial load
duke
parents:
diff changeset
    16
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
    17
 * You should have received a copy of the GNU General Public License version
90ce3da70b43 Initial load
duke
parents:
diff changeset
    18
 * 2 along with this work; if not, write to the Free Software Foundation,
90ce3da70b43 Initial load
duke
parents:
diff changeset
    19
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    20
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
    21
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
90ce3da70b43 Initial load
duke
parents:
diff changeset
    22
 * CA 95054 USA or visit www.sun.com if you need additional information or
90ce3da70b43 Initial load
duke
parents:
diff changeset
    23
 * have any questions.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    24
 */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    25
90ce3da70b43 Initial load
duke
parents:
diff changeset
    26
package sun.awt.X11;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    27
90ce3da70b43 Initial load
duke
parents:
diff changeset
    28
import java.util.*;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    29
90ce3da70b43 Initial load
duke
parents:
diff changeset
    30
/**
90ce3da70b43 Initial load
duke
parents:
diff changeset
    31
 * Helper class to ease the work with the lists of atoms.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    32
 */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    33
class XAtomList {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    34
    Set<XAtom> atoms = new HashSet<XAtom>();
90ce3da70b43 Initial load
duke
parents:
diff changeset
    35
90ce3da70b43 Initial load
duke
parents:
diff changeset
    36
    /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
    37
     * Creates empty list.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    38
     */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    39
    public XAtomList() {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    40
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    41
90ce3da70b43 Initial load
duke
parents:
diff changeset
    42
    /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
    43
     * Creates instance of XAtomList and initializes it with
90ce3da70b43 Initial load
duke
parents:
diff changeset
    44
     * the contents pointer by <code>data</code>.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    45
     * Uses default display to initialize atoms.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    46
     */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    47
    public XAtomList(long data, int count) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    48
        init(data, count);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    49
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    50
    private void init(long data, int count) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    51
        for (int i = 0; i < count; i++) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    52
            add(new XAtom(XToolkit.getDisplay(), XAtom.getAtom(data+count*XAtom.getAtomSize())));
90ce3da70b43 Initial load
duke
parents:
diff changeset
    53
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    54
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    55
90ce3da70b43 Initial load
duke
parents:
diff changeset
    56
    /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
    57
     * Creates instance of XAtomList and initializes it with
90ce3da70b43 Initial load
duke
parents:
diff changeset
    58
     * the arrays of atoms. Array can contain null atoms.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    59
     */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    60
    public XAtomList(XAtom[] atoms) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    61
        init(atoms);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    62
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    63
    private void init(XAtom[] atoms) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    64
        for (int i = 0; i < atoms.length; i++) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    65
            add(atoms[i]);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    66
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    67
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    68
90ce3da70b43 Initial load
duke
parents:
diff changeset
    69
    /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
    70
     * Returns contents of the list as array of atoms.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    71
     */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    72
    public XAtom[] getAtoms() {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    73
        XAtom[] res = new XAtom[size()];
90ce3da70b43 Initial load
duke
parents:
diff changeset
    74
        Iterator<XAtom> iter = atoms.iterator();
90ce3da70b43 Initial load
duke
parents:
diff changeset
    75
        int i = 0;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    76
        while (iter.hasNext()) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    77
            res[i++] = iter.next();
90ce3da70b43 Initial load
duke
parents:
diff changeset
    78
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    79
        return res;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    80
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    81
90ce3da70b43 Initial load
duke
parents:
diff changeset
    82
    /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
    83
     * Returns contents of the list as pointer to native data
90ce3da70b43 Initial load
duke
parents:
diff changeset
    84
     * The size of the native data is size of the list multiplied by
90ce3da70b43 Initial load
duke
parents:
diff changeset
    85
     * size of the Atom type on the platform. Caller is responsible for
90ce3da70b43 Initial load
duke
parents:
diff changeset
    86
     * freeing the data by Unsafe.freeMemory when it is no longer needed.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    87
     */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    88
    public long getAtomsData() {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    89
        return XAtom.toData(getAtoms());
90ce3da70b43 Initial load
duke
parents:
diff changeset
    90
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    91
90ce3da70b43 Initial load
duke
parents:
diff changeset
    92
    /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
    93
     * Returns true if this list contains the atom <code>atom</code>
90ce3da70b43 Initial load
duke
parents:
diff changeset
    94
     */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    95
    public boolean contains(XAtom atom) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    96
        return atoms.contains(atom);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    97
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    98
90ce3da70b43 Initial load
duke
parents:
diff changeset
    99
    /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
   100
     * Add atom to the list. Does nothing if list already contains this atom.
90ce3da70b43 Initial load
duke
parents:
diff changeset
   101
     */
90ce3da70b43 Initial load
duke
parents:
diff changeset
   102
    public void add(XAtom atom) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   103
        atoms.add(atom);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   104
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   105
90ce3da70b43 Initial load
duke
parents:
diff changeset
   106
    /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
   107
     * Removes atom from the list. Does nothing if arrays doesn't conaint this atom.
90ce3da70b43 Initial load
duke
parents:
diff changeset
   108
     */
90ce3da70b43 Initial load
duke
parents:
diff changeset
   109
    public void remove(XAtom atom) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   110
        atoms.remove(atom);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   111
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   112
90ce3da70b43 Initial load
duke
parents:
diff changeset
   113
90ce3da70b43 Initial load
duke
parents:
diff changeset
   114
    /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
   115
     * Returns size of the list
90ce3da70b43 Initial load
duke
parents:
diff changeset
   116
     */
90ce3da70b43 Initial load
duke
parents:
diff changeset
   117
    public int size() {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   118
        return atoms.size();
90ce3da70b43 Initial load
duke
parents:
diff changeset
   119
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   120
90ce3da70b43 Initial load
duke
parents:
diff changeset
   121
    /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
   122
     * Returns a subset of a list which is intersection of this set and set build by mapping <code>mask</code> in
90ce3da70b43 Initial load
duke
parents:
diff changeset
   123
     * <code>mapping</code>.
90ce3da70b43 Initial load
duke
parents:
diff changeset
   124
     */
90ce3da70b43 Initial load
duke
parents:
diff changeset
   125
    public XAtomList subset(int mask, Map<Integer, XAtom> mapping) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   126
        XAtomList res = new XAtomList();
90ce3da70b43 Initial load
duke
parents:
diff changeset
   127
        Iterator<Integer> iter = mapping.keySet().iterator();
90ce3da70b43 Initial load
duke
parents:
diff changeset
   128
        while (iter.hasNext()) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   129
            Integer bits = iter.next();
90ce3da70b43 Initial load
duke
parents:
diff changeset
   130
            if ( (mask & bits.intValue()) == bits.intValue() ) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   131
                XAtom atom = mapping.get(bits);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   132
                if (contains(atom)) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   133
                    res.add(atom);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   134
                }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   135
            }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   136
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   137
        return res;
90ce3da70b43 Initial load
duke
parents:
diff changeset
   138
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   139
90ce3da70b43 Initial load
duke
parents:
diff changeset
   140
    /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
   141
     * Returns iterator for items.
90ce3da70b43 Initial load
duke
parents:
diff changeset
   142
     */
90ce3da70b43 Initial load
duke
parents:
diff changeset
   143
    public Iterator<XAtom> iterator() {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   144
        return atoms.iterator();
90ce3da70b43 Initial load
duke
parents:
diff changeset
   145
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   146
90ce3da70b43 Initial load
duke
parents:
diff changeset
   147
    /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
   148
     * Merges without duplicates all the atoms from another list
90ce3da70b43 Initial load
duke
parents:
diff changeset
   149
     */
90ce3da70b43 Initial load
duke
parents:
diff changeset
   150
    public void addAll(XAtomList atoms) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   151
        Iterator<XAtom> iter = atoms.iterator();
90ce3da70b43 Initial load
duke
parents:
diff changeset
   152
        while(iter.hasNext()) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   153
            add(iter.next());
90ce3da70b43 Initial load
duke
parents:
diff changeset
   154
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   155
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   156
90ce3da70b43 Initial load
duke
parents:
diff changeset
   157
    public String toString() {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   158
        StringBuffer buf = new StringBuffer();
90ce3da70b43 Initial load
duke
parents:
diff changeset
   159
        buf.append("[");
90ce3da70b43 Initial load
duke
parents:
diff changeset
   160
        Iterator iter = atoms.iterator();
90ce3da70b43 Initial load
duke
parents:
diff changeset
   161
        while (iter.hasNext()) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   162
            buf.append(iter.next().toString());
90ce3da70b43 Initial load
duke
parents:
diff changeset
   163
            if (iter.hasNext()) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   164
                buf.append(", ");
90ce3da70b43 Initial load
duke
parents:
diff changeset
   165
            }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   166
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   167
        buf.append("]");
90ce3da70b43 Initial load
duke
parents:
diff changeset
   168
        return buf.toString();
90ce3da70b43 Initial load
duke
parents:
diff changeset
   169
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   170
}