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* Copyright (C) 2006 Zack Rusin <zack@kde.org>
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "EventHandler.h"
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#include "ClipboardGtk.h"
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#include "FloatPoint.h"
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#include "FocusController.h"
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#include "FrameView.h"
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#include "KeyboardEvent.h"
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#include "MouseEventWithHitTestResults.h"
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#include "NotImplemented.h"
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#include "PlatformKeyboardEvent.h"
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#include "PlatformWheelEvent.h"
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#include "RenderWidget.h"
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#include "Scrollbar.h"
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const double EventHandler::TextDragDelay = 0.0;
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bool EventHandler::tabsToAllFormControls(KeyboardEvent* event) const
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// We always allow tabs to all controls
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void EventHandler::focusDocumentView()
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if (Page* page = m_frame->page())
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page->focusController()->setFocusedFrame(m_frame);
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bool EventHandler::passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults& event)
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// Figure out which view to send the event to.
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RenderObject* target = event.targetNode() ? event.targetNode()->renderer() : 0;
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if (!target || !target->isWidget())
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return passMouseDownEventToWidget(toRenderWidget(target)->widget());
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bool EventHandler::passWidgetMouseDownEventToWidget(RenderWidget* renderWidget)
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return passMouseDownEventToWidget(renderWidget->widget());
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bool EventHandler::passMouseDownEventToWidget(Widget* widget)
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bool EventHandler::eventActivatedView(const PlatformMouseEvent&) const
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//GTK+ activation is not necessarily tied to mouse events, so it may
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//not make sense to implement this
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bool EventHandler::passWheelEventToWidget(const PlatformWheelEvent& event, Widget* widget)
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if (!widget->isFrameView())
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return static_cast<FrameView*>(widget)->frame()->eventHandler()->handleWheelEvent(event);
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PassRefPtr<Clipboard> EventHandler::createDraggingClipboard() const
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return ClipboardGtk::create(ClipboardWritable, DataObjectGtk::create(), Clipboard::DragAndDrop, m_frame);
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bool EventHandler::passMousePressEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
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subframe->eventHandler()->handleMousePressEvent(mev.event());
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bool EventHandler::passMouseMoveEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe, HitTestResult* hoveredNode)
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subframe->eventHandler()->handleMouseMoveEvent(mev.event(), hoveredNode);
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bool EventHandler::passMouseReleaseEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
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subframe->eventHandler()->handleMouseReleaseEvent(mev.event());
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unsigned EventHandler::accessKeyModifiers()
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return PlatformEvent::AltKey;
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// GTK+ must scroll horizontally if the mouse pointer is on top of the
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// horizontal scrollbar while scrolling with the wheel; we need to
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// add the deltas and ticks here so that this behavior is consistent
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// for styled scrollbars.
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bool EventHandler::shouldTurnVerticalTicksIntoHorizontal(const HitTestResult& result, const PlatformWheelEvent&) const
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return result.scrollbar() && result.scrollbar()->orientation() == HorizontalScrollbar;