PlatformMouseEventMac.mm   [plain text]

/*
 * Copyright (C) 2004, 2006 Apple Computer, 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. 
 */

#import "config.h"
#import "PlatformMouseEvent.h"

#import "PlatformScreen.h"

#import <GraphicsServices/GraphicsServices.h>
#import "WKWindow.h"

namespace WebCore {

static MouseButton mouseButtonForEvent(GSEventRef event)
{
    switch (GSEventGetType (event)) {
        case kGSEventLeftMouseDown:
        case kGSEventLeftMouseUp:
        case kGSEventLeftMouseDragged:
        default:
            return LeftButton;
    }
}

static int clickCountForEvent(GSEventRef event)
{
    if (GSEventIsMouseEventType(event)) {
        return GSEventGetClickCount(event);
    }
    return 0;
}

IntPoint pointForEvent(GSEventRef event)
{
    if (GSEventIsMouseEventType(event) || GSEventGetType(event) == kGSEventScrollWheel)
        return IntPoint(GSEventGetLocationInWindow(event));
    return IntPoint();
}

IntPoint globalPointForEvent(GSEventRef event)
{
    // Aspen WebKit works as if it is full screen. Therefore Web coords are Global coords.
    return pointForEvent(event);
}

int eventNumberForEvent(GSEventRef event)
{
    if (GSEventIsMouseEventType(event) || GSEventGetType(event) == kGSEventScrollWheel)
        return GSEventGetEventNumber(event);
    else
        return 0;
}
    
static MouseEventType mouseEventForNSEvent(GSEventRef event) 
{
    switch (GSEventGetType (event)) {
        case kGSEventScrollWheel:
            return MouseEventScroll;
        case kGSEventLeftMouseDragged:
            return MouseEventMoved;
        case kGSEventLeftMouseDown:
            return MouseEventPressed;
        case kGSEventLeftMouseUp:
            return MouseEventReleased;
        default:
            return MouseEventMoved;
    }
}

PlatformMouseEvent::PlatformMouseEvent(GSEventRef event)
    : m_position(pointForEvent(event))
    , m_globalPosition(globalPointForEvent(event))
    , m_button(mouseButtonForEvent(event))
    , m_eventType(mouseEventForNSEvent(event))
    , m_clickCount(clickCountForEvent(event))
    , m_shiftKey(GSEventGetModifierFlags(event) & kGSEventFlagMaskShift)
    , m_ctrlKey(GSEventGetModifierFlags(event) & kGSEventFlagMaskControl)
    , m_altKey(GSEventGetModifierFlags(event) & kGSEventFlagMaskAlternate)
    , m_metaKey(GSEventGetModifierFlags(event) & kGSEventFlagMaskCommand)
    , m_timestamp(GSEventGetTimestamp(event))
    , m_eventNumber(GSEventGetEventNumber(event))
{
}

}