1 files changed, 142 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowstabletsupport.h b/src/plugins/platforms/windows/qwindowstabletsupport.h
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+++ b/src/plugins/platforms/windows/qwindowstabletsupport.h
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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();
+
+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;
+    bool m_tiltSupport;
+    QVector<QWindowsTabletDeviceData> m_devices;
+    int m_currentDevice;
+};
+
+QT_END_NAMESPACE
+
+#endif // !QT_NO_TABLETEVENT && !Q_OS_WINCE
+#endif // QWINDOWSTABLETSUPPORT_H