/** | |
* Copyright (C) 2001 Peter Kelly (pmk@post.com) | |
* Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de) | |
* Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | |
* 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. | |
*/ | |
#include "config.h" | |
#include "KeyboardEvent.h" | |
#include "Document.h" | |
#include "DOMWindow.h" | |
#include "EventNames.h" | |
#include "EventHandler.h" | |
#include "Frame.h" | |
#include "PlatformKeyboardEvent.h" | |
#include "Settings.h" | |
namespace WebCore { | |
static inline const AtomicString& eventTypeForKeyboardEventType(PlatformKeyboardEvent::Type type) | |
{ | |
switch (type) { | |
case PlatformKeyboardEvent::KeyUp: | |
return eventNames().keyupEvent; | |
case PlatformKeyboardEvent::RawKeyDown: | |
return eventNames().keydownEvent; | |
case PlatformKeyboardEvent::Char: | |
return eventNames().keypressEvent; | |
case PlatformKeyboardEvent::KeyDown: | |
// The caller should disambiguate the combined event into RawKeyDown or Char events. | |
break; | |
} | |
ASSERT_NOT_REACHED(); | |
return eventNames().keydownEvent; | |
} | |
KeyboardEvent::KeyboardEvent() | |
: m_keyEvent(0) | |
, m_keyLocation(DOM_KEY_LOCATION_STANDARD) | |
, m_altGraphKey(false) | |
{ | |
} | |
KeyboardEvent::KeyboardEvent(const PlatformKeyboardEvent& key, AbstractView* view) | |
: UIEventWithKeyState(eventTypeForKeyboardEventType(key.type()), | |
true, true, view, 0, key.ctrlKey(), key.altKey(), key.shiftKey(), key.metaKey()) | |
, m_keyEvent(new PlatformKeyboardEvent(key)) | |
, m_keyIdentifier(key.keyIdentifier()) | |
, m_keyLocation(key.isKeypad() ? DOM_KEY_LOCATION_NUMPAD : DOM_KEY_LOCATION_STANDARD) // FIXME: differentiate right/left, too | |
, m_altGraphKey(false) | |
{ | |
} | |
KeyboardEvent::KeyboardEvent(const AtomicString& eventType, bool canBubble, bool cancelable, AbstractView *view, | |
const String &keyIdentifier, unsigned keyLocation, | |
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool altGraphKey) | |
: UIEventWithKeyState(eventType, canBubble, cancelable, view, 0, ctrlKey, altKey, shiftKey, metaKey) | |
, m_keyEvent(0) | |
, m_keyIdentifier(keyIdentifier) | |
, m_keyLocation(keyLocation) | |
, m_altGraphKey(altGraphKey) | |
{ | |
} | |
KeyboardEvent::~KeyboardEvent() | |
{ | |
} | |
void KeyboardEvent::initKeyboardEvent(const AtomicString& type, bool canBubble, bool cancelable, AbstractView* view, | |
const String &keyIdentifier, unsigned keyLocation, | |
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool altGraphKey) | |
{ | |
if (dispatched()) | |
return; | |
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; | |
} | |
bool KeyboardEvent::getModifierState(const String& keyIdentifier) const | |
{ | |
if (keyIdentifier == "Control") | |
return ctrlKey(); | |
if (keyIdentifier == "Shift") | |
return shiftKey(); | |
if (keyIdentifier == "Alt") | |
return altKey(); | |
if (keyIdentifier == "Meta") | |
return metaKey(); | |
return false; | |
} | |
int KeyboardEvent::keyCode() const | |
{ | |
// IE: virtual key code for keyup/keydown, character code for keypress | |
// Firefox: virtual key code for keyup/keydown, zero for keypress | |
// We match IE. | |
if (!m_keyEvent) | |
return 0; | |
if (type() == eventNames().keydownEvent || type() == eventNames().keyupEvent) | |
return m_keyEvent->windowsVirtualKeyCode(); | |
return charCode(); | |
} | |
int KeyboardEvent::charCode() const | |
{ | |
// IE: not supported | |
// Firefox: 0 for keydown/keyup events, character code for keypress | |
// We match Firefox, unless in backward compatibility mode, where we always return the character code. | |
bool backwardCompatibilityMode = false; | |
if (view()) | |
backwardCompatibilityMode = view()->frame()->eventHandler()->needsKeyboardEventDisambiguationQuirks(); | |
if (!m_keyEvent || (type() != eventNames().keypressEvent && !backwardCompatibilityMode)) | |
return 0; | |
String text = m_keyEvent->text(); | |
return static_cast<int>(text.characterStartingAt(0)); | |
} | |
bool KeyboardEvent::isKeyboardEvent() const | |
{ | |
return true; | |
} | |
int KeyboardEvent::which() const | |
{ | |
// Netscape's "which" returns a virtual key code for keydown and keyup, and a character code for keypress. | |
// That's exactly what IE's "keyCode" returns. So they are the same for keyboard events. | |
return keyCode(); | |
} | |
KeyboardEvent* findKeyboardEvent(Event* event) | |
{ | |
for (Event* e = event; e; e = e->underlyingEvent()) | |
if (e->isKeyboardEvent()) | |
return static_cast<KeyboardEvent*>(e); | |
return 0; | |
} | |
} // namespace WebCore |