/** * 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, 2013 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 "EventDispatcher.h" #include "EventHandler.h" #include "EventNames.h" #include "Frame.h" #include "PlatformKeyboardEvent.h" #include "Settings.h" #include "WindowsKeyboardCodes.h" namespace WebCore { static inline const AtomicString& eventTypeForKeyboardEventType(PlatformEvent::Type type) { switch (type) { case PlatformEvent::KeyUp: return eventNames().keyupEvent; case PlatformEvent::RawKeyDown: return eventNames().keydownEvent; case PlatformEvent::Char: return eventNames().keypressEvent; case PlatformEvent::KeyDown: // The caller should disambiguate the combined event into RawKeyDown or Char events. break; default: break; } ASSERT_NOT_REACHED(); return eventNames().keydownEvent; } static inline int windowsVirtualKeyCodeWithoutLocation(int keycode) { switch (keycode) { case VK_LCONTROL: case VK_RCONTROL: return VK_CONTROL; case VK_LSHIFT: case VK_RSHIFT: return VK_SHIFT; case VK_LMENU: case VK_RMENU: return VK_MENU; default: return keycode; } } static inline KeyboardEvent::KeyLocationCode keyLocationCode(const PlatformKeyboardEvent& key) { if (key.isKeypad()) return KeyboardEvent::DOM_KEY_LOCATION_NUMPAD; switch (key.windowsVirtualKeyCode()) { case VK_LCONTROL: case VK_LSHIFT: case VK_LMENU: case VK_LWIN: return KeyboardEvent::DOM_KEY_LOCATION_LEFT; case VK_RCONTROL: case VK_RSHIFT: case VK_RMENU: case VK_RWIN: return KeyboardEvent::DOM_KEY_LOCATION_RIGHT; default: return KeyboardEvent::DOM_KEY_LOCATION_STANDARD; } } KeyboardEvent::KeyboardEvent() : m_location(DOM_KEY_LOCATION_STANDARD) , m_altGraphKey(false) #if PLATFORM(COCOA) , m_handledByInputMethod(false) #endif { } KeyboardEvent::KeyboardEvent(const PlatformKeyboardEvent& key, AbstractView* view) : UIEventWithKeyState(eventTypeForKeyboardEventType(key.type()), true, true, key.timestamp(), view, 0, key.ctrlKey(), key.altKey(), key.shiftKey(), key.metaKey()) , m_keyEvent(std::make_unique(key)) , m_keyIdentifier(key.keyIdentifier()) , m_location(keyLocationCode(key)) , m_altGraphKey(false) #if PLATFORM(COCOA) #if USE(APPKIT) , m_handledByInputMethod(key.handledByInputMethod()) , m_keypressCommands(key.commands()) #else , m_handledByInputMethod(false) #endif #endif { } // FIXME: This method should be get ride of in the future. // DO NOT USE IT! KeyboardEvent::KeyboardEvent(WTF::HashTableDeletedValueType) { } KeyboardEvent::KeyboardEvent(const AtomicString& eventType, const KeyboardEventInit& initializer) : UIEventWithKeyState(eventType, initializer) , m_keyIdentifier(initializer.keyIdentifier) , m_location(initializer.location) , m_altGraphKey(false) #if PLATFORM(COCOA) , m_handledByInputMethod(false) #endif { } KeyboardEvent::~KeyboardEvent() { } void KeyboardEvent::initKeyboardEvent(const AtomicString& type, bool canBubble, bool cancelable, AbstractView* view, const String &keyIdentifier, unsigned location, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool altGraphKey) { if (dispatched()) return; initUIEvent(type, canBubble, cancelable, view, 0); m_keyIdentifier = keyIdentifier; m_location = location; 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 windowsVirtualKeyCodeWithoutLocation(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() && view()->frame()) backwardCompatibilityMode = view()->frame()->eventHandler().needsKeyboardEventDisambiguationQuirks(); if (!m_keyEvent || (type() != eventNames().keypressEvent && !backwardCompatibilityMode)) return 0; String text = m_keyEvent->text(); return static_cast(text.characterStartingAt(0)); } EventInterface KeyboardEvent::eventInterface() const { return KeyboardEventInterfaceType; } 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 (is(*e)) return downcast(e); return nullptr; } } // namespace WebCore