1/* 2 * Copyright (C) 2006 Zack Rusin <zack@kde.org> 3 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. 4 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include "config.h" 29#include "EventHandler.h" 30 31#include "ClipboardQt.h" 32#include "Cursor.h" 33#include "Document.h" 34#include "EventNames.h" 35#include "FloatPoint.h" 36#include "FocusController.h" 37#include "Frame.h" 38#include "FrameLoader.h" 39#include "FrameTree.h" 40#include "FrameView.h" 41#include "HTMLFrameSetElement.h" 42#include "HitTestRequest.h" 43#include "HitTestResult.h" 44#include "KeyboardEvent.h" 45#include "MouseEventWithHitTestResults.h" 46#include "Page.h" 47#include "PlatformKeyboardEvent.h" 48#include "PlatformWheelEvent.h" 49#include "RenderWidget.h" 50#include "Scrollbar.h" 51#include "NotImplemented.h" 52 53QT_BEGIN_NAMESPACE 54extern Q_GUI_EXPORT bool qt_tab_all_widgets; // from qapplication.cpp 55QT_END_NAMESPACE 56 57namespace WebCore { 58 59const double EventHandler::TextDragDelay = 0.0; 60 61static bool isKeyboardOptionTab(KeyboardEvent* event) 62{ 63 return event 64 && (event->type() == eventNames().keydownEvent || event->type() == eventNames().keypressEvent) 65 && event->altKey() 66 && event->keyIdentifier() == "U+0009"; 67} 68 69bool EventHandler::invertSenseOfTabsToLinks(KeyboardEvent* event) const 70{ 71 return isKeyboardOptionTab(event); 72} 73 74bool EventHandler::tabsToAllControls(KeyboardEvent* event) const 75{ 76 return (isKeyboardOptionTab(event) ? !qt_tab_all_widgets : qt_tab_all_widgets); 77} 78 79void EventHandler::focusDocumentView() 80{ 81 Page* page = m_frame->page(); 82 if (!page) 83 return; 84 page->focusController()->setFocusedFrame(m_frame); 85} 86 87bool EventHandler::passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults&) 88{ 89 notImplemented(); 90 return false; 91} 92 93bool EventHandler::eventActivatedView(const PlatformMouseEvent&) const 94{ 95 //Qt has an activation event which is sent independently 96 // of mouse event so this thing will be a snafu to implement 97 // correctly 98 return false; 99} 100 101bool EventHandler::passWheelEventToWidget(PlatformWheelEvent& event, Widget* widget) 102{ 103 Q_ASSERT(widget); 104 if (!widget->isFrameView()) 105 return false; 106 107 return static_cast<FrameView*>(widget)->frame()->eventHandler()->handleWheelEvent(event); 108} 109 110PassRefPtr<Clipboard> EventHandler::createDraggingClipboard() const 111{ 112 return ClipboardQt::create(ClipboardWritable, true); 113} 114 115bool EventHandler::passMousePressEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe) 116{ 117 subframe->eventHandler()->handleMousePressEvent(mev.event()); 118 return true; 119} 120 121bool EventHandler::passMouseMoveEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe, HitTestResult* hoveredNode) 122{ 123 subframe->eventHandler()->handleMouseMoveEvent(mev.event(), hoveredNode); 124 return true; 125} 126 127bool EventHandler::passMouseReleaseEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe) 128{ 129 subframe->eventHandler()->handleMouseReleaseEvent(mev.event()); 130 return true; 131} 132 133unsigned EventHandler::accessKeyModifiers() 134{ 135 return PlatformKeyboardEvent::CtrlKey; 136} 137 138} 139