1 /*
2 * Copyright (c) 2011, 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 */
25
26 package com.sun.webkit.event;
27
28 import java.lang.annotation.Native;
29
30 public final class WCKeyEvent {
31
32 // Event types
33 @Native public static final int KEY_TYPED = 0;
34 @Native public static final int KEY_PRESSED = 1;
35 @Native public static final int KEY_RELEASED = 2;
36
37 // Windows virtual key code constants used by WebKit Java port
38 @Native public static final int VK_BACK = 0x08;
39 @Native public static final int VK_TAB = 0x09;
40 @Native public static final int VK_RETURN = 0x0D;
41 @Native public static final int VK_ESCAPE = 0x1B;
42 @Native public static final int VK_PRIOR = 0x21;
43 @Native public static final int VK_NEXT = 0x22;
44 @Native public static final int VK_END = 0x23;
45 @Native public static final int VK_HOME = 0x24;
46 @Native public static final int VK_LEFT = 0x25;
47 @Native public static final int VK_UP = 0x26;
48 @Native public static final int VK_RIGHT = 0x27;
49 @Native public static final int VK_DOWN = 0x28;
50 @Native public static final int VK_INSERT = 0x2D;
51 @Native public static final int VK_DELETE = 0x2E;
52 @Native public static final int VK_OEM_PERIOD = 0xBE;
53
54
55 private final int type;
56 private final long when;
57 private final String text;
58 private final String keyIdentifier;
59 private final int windowsVirtualKeyCode;
60 private final boolean shift;
61 private final boolean ctrl;
62 private final boolean alt;
63 private final boolean meta;
64
65
66 public WCKeyEvent(int type, String text, String keyIdentifier,
67 int windowsVirtualKeyCode, boolean shift, boolean ctrl,
68 boolean alt, boolean meta, long when)
69 {
70 this.type = type;
71 this.text = text;
72 this.keyIdentifier = keyIdentifier;
73 this.windowsVirtualKeyCode = windowsVirtualKeyCode;
74 this.shift = shift;
75 this.ctrl = ctrl;
76 this.alt = alt;
77 this.meta = meta;
78 this.when = when;
79 }
80
81
82 public int getType() { return type; }
83 public long getWhen() { return when; }
84 public String getText() { return text; }
85 public String getKeyIdentifier() { return keyIdentifier; }
86 public int getWindowsVirtualKeyCode() { return windowsVirtualKeyCode; }
87 public boolean isShiftDown() { return shift; }
88 public boolean isCtrlDown() { return ctrl; }
89 public boolean isAltDown() { return alt; }
90 public boolean isMetaDown() { return meta; }
91
92 public static boolean filterEvent(WCKeyEvent ke) {
93 if (ke.getType() == KEY_TYPED) {
94 String text = ke.getText();
95 if (text == null || text.length() != 1) {
96 return true;
97 }
98 char kc = text.charAt(0);
99 // don't send KEY_TYPED events to WebKit for some control keys
100 // like DELETE, BACKSPACE, etc.
101 if ((kc == '\b') || (kc == '\n') || (kc == '\t') ||
102 (kc == '\uffff') || (kc == '\u0018') || (kc == '\u001b') || (kc == '\u007f'))
103 {
104 return true;
105 }
106 }
107 return false;
108 }
109 }