diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowstabletsupport.h')
-rw-r--r-- | src/plugins/platforms/windows/qwindowstabletsupport.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowstabletsupport.h b/src/plugins/platforms/windows/qwindowstabletsupport.h new file mode 100644 index 0000000000..12f96b618d --- /dev/null +++ b/src/plugins/platforms/windows/qwindowstabletsupport.h @@ -0,0 +1,142 @@ +/**************************************************************************** +** +** 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 |