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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWINDOWSTABLETSUPPORT_H
#define QWINDOWSTABLETSUPPORT_H
#include "qtwindowsglobal.h"
#if !defined(QT_NO_TABLETEVENT) && !defined(Q_OS_WINCE)
#include <QtCore/QVector>
#include <QtCore/QPointF>
#include <wintab.h>
QT_BEGIN_NAMESPACE
class QDebug;
class QWindow;
class QRect;
struct QWindowsWinTab32DLL
{
QWindowsWinTab32DLL() : wTOpen(0), wTClose(0), wTInfo(0), wTEnable(0), wTOverlap(0), wTPacketsGet(0), wTGet(0),
wTQueueSizeGet(0), wTQueueSizeSet(0) {}
bool init();
typedef HCTX (API *PtrWTOpen)(HWND, LPLOGCONTEXT, BOOL);
typedef BOOL (API *PtrWTClose)(HCTX);
typedef UINT (API *PtrWTInfo)(UINT, UINT, LPVOID);
typedef BOOL (API *PtrWTEnable)(HCTX, BOOL);
typedef BOOL (API *PtrWTOverlap)(HCTX, BOOL);
typedef int (API *PtrWTPacketsGet)(HCTX, int, LPVOID);
typedef BOOL (API *PtrWTGet)(HCTX, LPLOGCONTEXT);
typedef int (API *PtrWTQueueSizeGet)(HCTX);
typedef BOOL (API *PtrWTQueueSizeSet)(HCTX, int);
PtrWTOpen wTOpen;
PtrWTClose wTClose;
PtrWTInfo wTInfo;
PtrWTEnable wTEnable;
PtrWTOverlap wTOverlap;
PtrWTPacketsGet wTPacketsGet;
PtrWTGet wTGet;
PtrWTQueueSizeGet wTQueueSizeGet;
PtrWTQueueSizeSet wTQueueSizeSet;
};
struct QWindowsTabletDeviceData
{
QWindowsTabletDeviceData() : minPressure(0), maxPressure(0), minTanPressure(0),
maxTanPressure(0), minX(0), maxX(0), minY(0), maxY(0), minZ(0), maxZ(0),
uniqueId(0), currentDevice(0), currentPointerType(0) {}
QPointF scaleCoordinates(int coordX, int coordY,const QRect &targetArea) const;
qreal scalePressure(qreal p) const { return p / qreal(maxPressure - minPressure); }
qreal scaleTangentialPressure(qreal p) const { return p / qreal(maxTanPressure - minTanPressure); }
int minPressure;
int maxPressure;
int minTanPressure;
int maxTanPressure;
int minX, maxX, minY, maxY, minZ, maxZ;
qint64 uniqueId;
int currentDevice;
int currentPointerType;
};
QDebug operator<<(QDebug d, const QWindowsTabletDeviceData &t);
class QWindowsTabletSupport
{
Q_DISABLE_COPY(QWindowsTabletSupport)
explicit QWindowsTabletSupport(HWND window, HCTX context);
public:
~QWindowsTabletSupport();
static QWindowsTabletSupport *create();
void notifyActivate();
QString description() const;
bool translateTabletProximityEvent(WPARAM wParam, LPARAM lParam);
bool translateTabletPacketEvent();
int absoluteRange() const { return m_absoluteRange; }
void setAbsoluteRange(int a) { m_absoluteRange = a; }
private:
unsigned options() const;
QWindowsTabletDeviceData tabletInit(const quint64 uniqueId, const UINT cursorType) const;
static QWindowsWinTab32DLL m_winTab32DLL;
const HWND m_window;
const HCTX m_context;
int m_absoluteRange;
bool m_tiltSupport;
QVector<QWindowsTabletDeviceData> m_devices;
int m_currentDevice;
QPointF m_oldGlobalPosF;
};
QT_END_NAMESPACE
#endif // !QT_NO_TABLETEVENT && !Q_OS_WINCE
#endif // QWINDOWSTABLETSUPPORT_H
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