author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 17 Sep 2010 09:02:29 +0300 | |
changeset 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2004, 2005, 2006, 2009 Apple Inc. All rights reserved. |
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* |
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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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* are met: |
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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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* |
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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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*/ |
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#ifndef PlatformWheelEvent_h |
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#define PlatformWheelEvent_h |
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#include "IntPoint.h" |
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#if PLATFORM(GTK) |
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typedef struct _GdkEventScroll GdkEventScroll; |
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#endif |
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#if PLATFORM(EFL) |
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typedef struct _Evas_Event_Mouse_Wheel Evas_Event_Mouse_Wheel; |
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#endif |
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#if PLATFORM(QT) |
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QT_BEGIN_NAMESPACE |
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class QWheelEvent; |
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class QGraphicsSceneWheelEvent; |
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QT_END_NAMESPACE |
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#endif |
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#if PLATFORM(WIN) |
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typedef struct HWND__* HWND; |
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typedef unsigned WPARAM; |
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typedef long LPARAM; |
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#endif |
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#if PLATFORM(WX) |
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class wxMouseEvent; |
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class wxPoint; |
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#endif |
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#if PLATFORM(HAIKU) |
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class BMessage; |
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#endif |
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namespace WebCore { |
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class FloatPoint; |
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class FloatSize; |
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// Wheel events come in two flavors: |
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// The ScrollByPixelWheelEvent is a fine-grained event that specifies the precise number of pixels to scroll. It is sent directly by MacBook touchpads on OS X, |
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// and synthesized in other cases where platforms generate line-by-line scrolling events. |
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// The ScrollByPageWheelEvent indicates that the wheel event should scroll an entire page. In this case WebCore's built in paging behavior is used to page |
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// up and down (you get the same behavior as if the user was clicking in a scrollbar track to page up or page down). Page scrolling only works in the vertical direction. |
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enum PlatformWheelEventGranularity { ScrollByPageWheelEvent, ScrollByPixelWheelEvent }; |
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class PlatformWheelEvent { |
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public: |
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PlatformWheelEvent() |
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: m_deltaX(0) |
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, m_deltaY(0) |
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, m_wheelTicksX(0) |
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, m_wheelTicksY(0) |
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, m_granularity(ScrollByPixelWheelEvent) |
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, m_isAccepted(false) |
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, m_shiftKey(false) |
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, m_ctrlKey(false) |
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, m_altKey(false) |
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, m_metaKey(false) |
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{ |
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} |
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const IntPoint& pos() const { return m_position; } // PlatformWindow coordinates. |
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const IntPoint& globalPos() const { return m_globalPosition; } // Screen coordinates. |
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float deltaX() const { return m_deltaX; } |
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float deltaY() const { return m_deltaY; } |
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float wheelTicksX() const { return m_wheelTicksX; } |
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float wheelTicksY() const { return m_wheelTicksY; } |
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PlatformWheelEventGranularity granularity() const { return m_granularity; } |
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bool isAccepted() const { return m_isAccepted; } |
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bool shiftKey() const { return m_shiftKey; } |
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bool ctrlKey() const { return m_ctrlKey; } |
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bool altKey() const { return m_altKey; } |
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bool metaKey() const { return m_metaKey; } |
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int x() const { return m_position.x(); } // PlatformWindow coordinates. |
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int y() const { return m_position.y(); } |
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int globalX() const { return m_globalPosition.x(); } // Screen coordinates. |
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int globalY() const { return m_globalPosition.y(); } |
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void accept() { m_isAccepted = true; } |
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void ignore() { m_isAccepted = false; } |
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void turnVerticalTicksIntoHorizontal() |
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{ |
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m_deltaX = m_deltaY; |
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m_deltaY = 0; |
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m_wheelTicksX = m_wheelTicksY; |
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m_wheelTicksY = 0; |
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} |
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#if PLATFORM(GTK) |
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PlatformWheelEvent(GdkEventScroll*); |
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#endif |
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#if PLATFORM(EFL) |
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PlatformWheelEvent(const Evas_Event_Mouse_Wheel*); |
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#endif |
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#if PLATFORM(MAC) && defined(__OBJC__) |
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PlatformWheelEvent(NSEvent *, NSView *windowView); |
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#endif |
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#if PLATFORM(QT) |
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PlatformWheelEvent(QWheelEvent*); |
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PlatformWheelEvent(QGraphicsSceneWheelEvent*); |
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void applyDelta(int delta, Qt::Orientation); |
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#endif |
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#if PLATFORM(WIN) |
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PlatformWheelEvent(HWND, WPARAM, LPARAM, bool isMouseHWheel); |
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PlatformWheelEvent(HWND, const FloatSize& delta, const FloatPoint& location); |
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#endif |
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#if PLATFORM(WX) |
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PlatformWheelEvent(const wxMouseEvent&, const wxPoint&); |
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#endif |
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#if PLATFORM(HAIKU) |
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PlatformWheelEvent(BMessage*); |
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#endif |
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protected: |
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IntPoint m_position; |
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IntPoint m_globalPosition; |
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float m_deltaX; |
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float m_deltaY; |
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float m_wheelTicksX; |
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float m_wheelTicksY; |
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PlatformWheelEventGranularity m_granularity; |
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bool m_isAccepted; |
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bool m_shiftKey; |
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bool m_ctrlKey; |
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bool m_altKey; |
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bool m_metaKey; |
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}; |
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} // namespace WebCore |
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#endif // PlatformWheelEvent_h |