platformcursor.h

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
 * Copyright (c) 2008, 2009, Google 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:
 * 
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 THE COPYRIGHT
 * OWNER 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,
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 */

#ifndef PlatformCursor_h
#define PlatformCursor_h

#include "Image.h"
#include "IntPoint.h"
#include "RefPtr.h"

namespace WebCore {

    class PlatformCursor {
    public:
        enum Type {
            TypePointer,
            TypeCross,
            TypeHand,
            TypeIBeam,
            TypeWait,
            TypeHelp,
            TypeEastResize,
            TypeNorthResize,
            TypeNorthEastResize,
            TypeNorthWestResize,
            TypeSouthResize,
            TypeSouthEastResize,
            TypeSouthWestResize,
            TypeWestResize,
            TypeNorthSouthResize,
            TypeEastWestResize,
            TypeNorthEastSouthWestResize,
            TypeNorthWestSouthEastResize,
            TypeColumnResize,
            TypeRowResize,
            TypeMiddlePanning,
            TypeEastPanning,
            TypeNorthPanning,
            TypeNorthEastPanning,
            TypeNorthWestPanning,
            TypeSouthPanning,
            TypeSouthEastPanning,
            TypeSouthWestPanning,
            TypeWestPanning,
            TypeMove,
            TypeVerticalText,
            TypeCell,
            TypeContextMenu,
            TypeAlias,
            TypeProgress,
            TypeNoDrop,
            TypeCopy,
            TypeNone,
            TypeNotAllowed,
            TypeZoomIn,
            TypeZoomOut,
            TypeCustom
        };

        // Cursor.h assumes that it can initialize us to 0.
        explicit PlatformCursor(int type = 0) : m_type(TypePointer) {}
        
        PlatformCursor(Type type) : m_type(type) {}

        PlatformCursor(Image* image, const IntPoint& hotSpot)
            : m_image(image)
            , m_hotSpot(hotSpot)
            , m_type(TypeCustom) {}

        PassRefPtr<Image> customImage() const { return m_image; }
        const IntPoint& hotSpot() const { return m_hotSpot; }
        Type type() const { return m_type; }

    private:
        RefPtr<Image> m_image;
        IntPoint m_hotSpot;
        Type m_type;
    };

} // namespace WebCore

#endif