1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* Copyright (C) 2007 Ryan Leavengood <leavengood@gmail.com>
* Copyright (C) 2009 Maxime Simon <simon.maxime@gmail.com>
* Copyright (C) 2010 Stephan Aßmus <superstippi@gmx.de>
*
* 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.
*/
#include "config.h"
#include "PlatformWheelEvent.h"
#include "Scrollbar.h"
#include <InterfaceDefs.h>
#include <Message.h>
#include <Point.h>
namespace WebCore {
PlatformWheelEvent::PlatformWheelEvent(BMessage* message)
: m_position(message->FindPoint("be:view_where"))
, m_globalPosition(message->FindPoint("screen_where"))
, m_deltaX(message->FindFloat("be:wheel_delta_x"))
, m_deltaY(message->FindFloat("be:wheel_delta_y"))
, m_wheelTicksX(m_deltaX)
, m_wheelTicksY(m_deltaY)
, m_granularity(ScrollByPixelWheelEvent)
, m_isAccepted(false)
{
m_deltaX *= -Scrollbar::pixelsPerLineStep();
m_deltaY *= -Scrollbar::pixelsPerLineStep();
int32 modifiers = message->FindInt32("modifiers");
m_shiftKey = modifiers & B_SHIFT_KEY;
m_ctrlKey = modifiers & B_CONTROL_KEY;
m_altKey = modifiers & B_COMMAND_KEY;
m_metaKey = modifiers & B_OPTION_KEY;
}
} // namespace WebCore
|