KeyboardEvent.cpp | searchcode

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<h1 style="margin:8px;" id="f1">KeyboardEvent.cpp&nbsp;&nbsp;&nbsp;<span style="font-weight: normal; font-size: 0.5em;">[<a href="?txt">plain text</a>]</span></h1>
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<span class="enscript-comment">/**
 * Copyright (C) 2001 Peter Kelly (<a href="mailto:pmk@post.com">pmk@post.com</a>)
 * Copyright (C) 2001 Tobias Anton (<a href="mailto:anton@stud.fbi.fh-darmstadt.de">anton@stud.fbi.fh-darmstadt.de</a>)
 * Copyright (C) 2006 Samuel Weinig (<a href="mailto:sam.weinig@gmail.com">sam.weinig@gmail.com</a>)
 * Copyright (C) 2003, 2005, 2006, 2007 Apple Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */</span>

#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;config.h&quot;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;KeyboardEvent.h&quot;</span>

#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;EventNames.h&quot;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;PlatformKeyboardEvent.h&quot;</span>

namespace WebCore {

using namespace EventNames;

<span class="enscript-function-name">KeyboardEvent::KeyboardEvent</span>()
    : m_keyEvent(0)
    , m_keyLocation(DOM_KEY_LOCATION_STANDARD)
    , m_altGraphKey(false)
{
}

<span class="enscript-function-name">KeyboardEvent::KeyboardEvent</span>(<span class="enscript-type">const</span> PlatformKeyboardEvent&amp; key, AbstractView* view)
    : UIEventWithKeyState(key.isKeyUp() ? keyupEvent : key.isAutoRepeat() ? keypressEvent : keydownEvent,
                          true, true, view, 0, key.ctrlKey(), key.altKey(), key.shiftKey(), key.metaKey())
    , m_keyEvent(<span class="enscript-keyword">new</span> PlatformKeyboardEvent(key))
    , m_keyIdentifier(key.keyIdentifier())
    , m_keyLocation(key.isKeypad() ? DOM_KEY_LOCATION_NUMPAD : DOM_KEY_LOCATION_STANDARD)
    , m_altGraphKey(false)
{
}

<span class="enscript-function-name">KeyboardEvent::KeyboardEvent</span>(<span class="enscript-type">const</span> AtomicString&amp; eventType, <span class="enscript-type">bool</span> canBubble, <span class="enscript-type">bool</span> cancelable, AbstractView *view,
                             <span class="enscript-type">const</span> String &amp;keyIdentifier,  <span class="enscript-type">unsigned</span> keyLocation,
                             <span class="enscript-type">bool</span> ctrlKey, <span class="enscript-type">bool</span> altKey, <span class="enscript-type">bool</span> shiftKey, <span class="enscript-type">bool</span> metaKey, <span class="enscript-type">bool</span> altGraphKey)
    : UIEventWithKeyState(eventType, canBubble, cancelable, view, 0, ctrlKey, altKey, shiftKey, metaKey)
    , m_keyEvent(0)
    , m_keyIdentifier(keyIdentifier)
    , m_keyLocation(keyLocation)
    , m_altGraphKey(altGraphKey)
{
}

<span class="enscript-function-name">KeyboardEvent::~KeyboardEvent</span>()
{
    <span class="enscript-keyword">delete</span> m_keyEvent;
}

<span class="enscript-type">void</span> <span class="enscript-function-name">KeyboardEvent::initKeyboardEvent</span>(<span class="enscript-type">const</span> AtomicString&amp; type, <span class="enscript-type">bool</span> canBubble, <span class="enscript-type">bool</span> cancelable, AbstractView* view,
                                      <span class="enscript-type">const</span> String &amp;keyIdentifier, <span class="enscript-type">unsigned</span> keyLocation,
                                      <span class="enscript-type">bool</span> ctrlKey, <span class="enscript-type">bool</span> altKey, <span class="enscript-type">bool</span> shiftKey, <span class="enscript-type">bool</span> metaKey, <span class="enscript-type">bool</span> altGraphKey)
{
    <span class="enscript-keyword">if</span> (dispatched())
        <span class="enscript-keyword">return</span>;

    initUIEvent(type, canBubble, cancelable, view, 0);

    m_keyIdentifier = keyIdentifier;
    m_keyLocation = keyLocation;
    m_ctrlKey = ctrlKey;
    m_shiftKey = shiftKey;
    m_altKey = altKey;
    m_metaKey = metaKey;
    m_altGraphKey = altGraphKey;
}

<span class="enscript-type">bool</span> <span class="enscript-function-name">KeyboardEvent::getModifierState</span>(<span class="enscript-type">const</span> String&amp; keyIdentifier) <span class="enscript-type">const</span>
{
    <span class="enscript-keyword">if</span> (keyIdentifier == <span class="enscript-string">&quot;Control&quot;</span>)
        <span class="enscript-keyword">return</span> ctrlKey();
    <span class="enscript-keyword">if</span> (keyIdentifier == <span class="enscript-string">&quot;Shift&quot;</span>)
        <span class="enscript-keyword">return</span> shiftKey();
    <span class="enscript-keyword">if</span> (keyIdentifier == <span class="enscript-string">&quot;Alt&quot;</span>)
        <span class="enscript-keyword">return</span> altKey();
    <span class="enscript-keyword">if</span> (keyIdentifier == <span class="enscript-string">&quot;Meta&quot;</span>)
        <span class="enscript-keyword">return</span> metaKey();
    <span class="enscript-keyword">return</span> false;
}

<span class="enscript-type">int</span> <span class="enscript-function-name">KeyboardEvent::keyCode</span>() <span class="enscript-type">const</span>
{
    <span class="enscript-keyword">if</span> (!m_keyEvent)
        <span class="enscript-keyword">return</span> 0;
    <span class="enscript-keyword">if</span> (type() == keydownEvent || type() == keyupEvent)
        <span class="enscript-keyword">return</span> m_keyEvent-&gt;WindowsKeyCode();
    <span class="enscript-keyword">return</span> charCode();
}

<span class="enscript-type">int</span> <span class="enscript-function-name">KeyboardEvent::charCode</span>() <span class="enscript-type">const</span>
{
    <span class="enscript-keyword">if</span> (!m_keyEvent)
        <span class="enscript-keyword">return</span> 0;
    String text = m_keyEvent-&gt;text();
    <span class="enscript-keyword">if</span> (text.length() != 1)
        <span class="enscript-keyword">return</span> 0;
    <span class="enscript-keyword">return</span> text[0];
}

<span class="enscript-type">bool</span> <span class="enscript-function-name">KeyboardEvent::isKeyboardEvent</span>() <span class="enscript-type">const</span>
{
    <span class="enscript-keyword">return</span> true;
}

<span class="enscript-type">int</span> <span class="enscript-function-name">KeyboardEvent::which</span>() <span class="enscript-type">const</span>
{
    <span class="enscript-comment">// Netscape's &quot;which&quot; returns a virtual key code for keydown and keyup, and a character code for keypress.
</span>    <span class="enscript-comment">// That's exactly what IE's &quot;keyCode&quot; returns. So they are the same for keyboard events.
</span>    <span class="enscript-keyword">return</span> keyCode();
}

KeyboardEvent* <span class="enscript-function-name">findKeyboardEvent</span>(Event* event)
{
    <span class="enscript-keyword">for</span> (Event* e = event; e; e = e-&gt;underlyingEvent())
        <span class="enscript-keyword">if</span> (e-&gt;isKeyboardEvent())
            <span class="enscript-keyword">return</span> static_cast&lt;KeyboardEvent*&gt;(e);
    <span class="enscript-keyword">return</span> 0;
}

} <span class="enscript-comment">// namespace WebCore
</span></pre>
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