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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWINDOWSMOUSEHANDLER_H
#define QWINDOWSMOUSEHANDLER_H
#include "qtwindowsglobal.h"
#include "qtwindows_additional.h"
#include <QtCore/QPointer>
#include <QtCore/QHash>
QT_BEGIN_NAMESPACE
class QWindow;
class QTouchDevice;
class QWindowsMouseHandler
{
Q_DISABLE_COPY(QWindowsMouseHandler)
public:
QWindowsMouseHandler();
bool translateMouseEvent(QWindow *widget, HWND hwnd,
QtWindows::WindowsEventType t, MSG msg,
LRESULT *result);
bool translateTouchEvent(QWindow *widget, HWND hwnd,
QtWindows::WindowsEventType t, MSG msg,
LRESULT *result);
static inline Qt::MouseButtons keyStateToMouseButtons(int);
static inline int mouseButtonsToKeyState(Qt::MouseButtons);
QWindow *windowUnderMouse() const { return m_windowUnderMouse.data(); }
private:
inline bool translateMouseWheelEvent(QWindow *window, HWND hwnd,
MSG msg, LRESULT *result);
QPointer<QWindow> m_windowUnderMouse;
QHash<DWORD, int> m_touchInputIDToTouchPointID;
QTouchDevice *m_touchDevice;
};
Qt::MouseButtons QWindowsMouseHandler::keyStateToMouseButtons(int wParam)
{
Qt::MouseButtons mb(Qt::NoButton);
if (wParam & MK_LBUTTON)
mb |= Qt::LeftButton;
if (wParam & MK_MBUTTON)
mb |= Qt::MiddleButton;
if (wParam & MK_RBUTTON)
mb |= Qt::RightButton;
if (wParam & MK_XBUTTON1)
mb |= Qt::XButton1;
if (wParam & MK_XBUTTON2)
mb |= Qt::XButton2;
return mb;
}
int QWindowsMouseHandler::mouseButtonsToKeyState(Qt::MouseButtons mb)
{
int result = 0;
if (mb & Qt::LeftButton)
result |= MK_LBUTTON;
if (mb & Qt::MiddleButton)
result |= MK_MBUTTON;
if (mb & Qt::RightButton)
result |= MK_RBUTTON;
if (mb & Qt::XButton1)
result |= MK_XBUTTON1;
if (mb & Qt::XButton2)
result |= MK_XBUTTON2;
return result;
}
QT_END_NAMESPACE
#endif // QWINDOWSMOUSEHANDLER_H
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