1/*
2 * Copyright (c) 1996, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25package sun.awt.windows;
26
27import java.awt.*;
28import java.awt.peer.*;
29import java.awt.event.ActionEvent;
30import java.awt.event.KeyEvent;
31
32final class WButtonPeer extends WComponentPeer implements ButtonPeer {
33
34    static {
35        initIDs();
36    }
37
38    // ComponentPeer overrides
39
40    @Override
41    public Dimension getMinimumSize() {
42        FontMetrics fm = getFontMetrics(((Button)target).getFont());
43        String label = ((Button)target).getLabel();
44        if ( label == null ) {
45            label = "";
46        }
47        return new Dimension(fm.stringWidth(label) + 14,
48                             fm.getHeight() + 8);
49    }
50    @Override
51    public boolean isFocusable() {
52        return true;
53    }
54
55    // ButtonPeer implementation
56
57    @Override
58    public native void setLabel(String label);
59
60    // Toolkit & peer internals
61
62    WButtonPeer(Button target) {
63        super(target);
64    }
65
66    @Override
67    native void create(WComponentPeer peer);
68
69    // native callbacks
70
71    // NOTE: This is called on the privileged toolkit thread. Do not
72    //       call directly into user code using this thread!
73    public void handleAction(final long when, final int modifiers) {
74        // Fixed 5064013: the InvocationEvent time should be equals
75        // the time of the ActionEvent
76        WToolkit.executeOnEventHandlerThread(target, new Runnable() {
77            @Override
78            public void run() {
79                postEvent(new ActionEvent(target, ActionEvent.ACTION_PERFORMED,
80                                          ((Button)target).getActionCommand(),
81                                          when, modifiers));
82            }
83        }, when);
84    }
85
86
87    @Override
88    public boolean shouldClearRectBeforePaint() {
89        return false;
90    }
91
92    /**
93     * Initialize JNI field and method IDs
94     */
95    private static native void initIDs();
96
97    @Override
98    @SuppressWarnings("deprecation")
99    public boolean handleJavaKeyEvent(KeyEvent e) {
100         switch (e.getID()) {
101            case KeyEvent.KEY_RELEASED:
102                if (e.getKeyCode() == KeyEvent.VK_SPACE){
103                    handleAction(e.getWhen(), e.getModifiers());
104                }
105            break;
106         }
107         return false;
108    }
109}
110