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-rw-r--r--WebCore/platform/PlatformWheelEvent.h171
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diff --git a/WebCore/platform/PlatformWheelEvent.h b/WebCore/platform/PlatformWheelEvent.h
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--- a/WebCore/platform/PlatformWheelEvent.h
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-/*
- * Copyright (C) 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef PlatformWheelEvent_h
-#define PlatformWheelEvent_h
-
-#include "IntPoint.h"
-
-#if PLATFORM(GTK)
-typedef struct _GdkEventScroll GdkEventScroll;
-#endif
-
-#if PLATFORM(EFL)
-typedef struct _Evas_Event_Mouse_Wheel Evas_Event_Mouse_Wheel;
-#endif
-
-#if PLATFORM(QT)
-QT_BEGIN_NAMESPACE
-class QWheelEvent;
-class QGraphicsSceneWheelEvent;
-QT_END_NAMESPACE
-#endif
-
-#if PLATFORM(WIN)
-typedef struct HWND__* HWND;
-typedef unsigned WPARAM;
-typedef long LPARAM;
-#endif
-
-#if PLATFORM(WX)
-class wxMouseEvent;
-class wxPoint;
-#endif
-
-#if PLATFORM(HAIKU)
-class BMessage;
-#endif
-
-namespace WebCore {
-
- class FloatPoint;
- class FloatSize;
-
- // Wheel events come in two flavors:
- // 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,
- // and synthesized in other cases where platforms generate line-by-line scrolling events.
- // 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
- // 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.
- enum PlatformWheelEventGranularity { ScrollByPageWheelEvent, ScrollByPixelWheelEvent };
-
- class PlatformWheelEvent {
- public:
- PlatformWheelEvent()
- : m_deltaX(0)
- , m_deltaY(0)
- , m_wheelTicksX(0)
- , m_wheelTicksY(0)
- , m_granularity(ScrollByPixelWheelEvent)
- , m_isAccepted(false)
- , m_shiftKey(false)
- , m_ctrlKey(false)
- , m_altKey(false)
- , m_metaKey(false)
- {
- }
-
- const IntPoint& pos() const { return m_position; } // PlatformWindow coordinates.
- const IntPoint& globalPos() const { return m_globalPosition; } // Screen coordinates.
-
- float deltaX() const { return m_deltaX; }
- float deltaY() const { return m_deltaY; }
-
- float wheelTicksX() const { return m_wheelTicksX; }
- float wheelTicksY() const { return m_wheelTicksY; }
-
- PlatformWheelEventGranularity granularity() const { return m_granularity; }
-
- bool isAccepted() const { return m_isAccepted; }
- bool shiftKey() const { return m_shiftKey; }
- bool ctrlKey() const { return m_ctrlKey; }
- bool altKey() const { return m_altKey; }
- bool metaKey() const { return m_metaKey; }
-
- int x() const { return m_position.x(); } // PlatformWindow coordinates.
- int y() const { return m_position.y(); }
- int globalX() const { return m_globalPosition.x(); } // Screen coordinates.
- int globalY() const { return m_globalPosition.y(); }
-
- void accept() { m_isAccepted = true; }
- void ignore() { m_isAccepted = false; }
-
- void turnVerticalTicksIntoHorizontal()
- {
- m_deltaX = m_deltaY;
- m_deltaY = 0;
-
- m_wheelTicksX = m_wheelTicksY;
- m_wheelTicksY = 0;
- }
-
-#if PLATFORM(GTK)
- PlatformWheelEvent(GdkEventScroll*);
-#endif
-
-#if PLATFORM(EFL)
- PlatformWheelEvent(const Evas_Event_Mouse_Wheel*);
-#endif
-
-#if PLATFORM(MAC) && defined(__OBJC__)
- PlatformWheelEvent(NSEvent *, NSView *windowView);
-#endif
-
-#if PLATFORM(QT)
- PlatformWheelEvent(QWheelEvent*);
- PlatformWheelEvent(QGraphicsSceneWheelEvent*);
- void applyDelta(int delta, Qt::Orientation);
-#endif
-
-#if PLATFORM(WIN)
- PlatformWheelEvent(HWND, WPARAM, LPARAM, bool isMouseHWheel);
- PlatformWheelEvent(HWND, const FloatSize& delta, const FloatPoint& location);
-#endif
-
-#if PLATFORM(WX)
- PlatformWheelEvent(const wxMouseEvent&, const wxPoint&);
-#endif
-
-#if PLATFORM(HAIKU)
- PlatformWheelEvent(BMessage*);
-#endif
-
- protected:
- IntPoint m_position;
- IntPoint m_globalPosition;
- float m_deltaX;
- float m_deltaY;
- float m_wheelTicksX;
- float m_wheelTicksY;
- PlatformWheelEventGranularity m_granularity;
- bool m_isAccepted;
- bool m_shiftKey;
- bool m_ctrlKey;
- bool m_altKey;
- bool m_metaKey;
- };
-
-} // namespace WebCore
-
-#endif // PlatformWheelEvent_h