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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QWINDOWSTABLETSUPPORT_H
#define QWINDOWSTABLETSUPPORT_H
#include "qtwindowsglobal.h"
#include <QtGui/qtguiglobal.h>
#include <QtGui/qpointingdevice.h>
#include <QtCore/qhash.h>
#include <QtCore/qlist.h>
#include <QtCore/qpoint.h>
#include <QtCore/qsharedpointer.h>
#include <wintab.h>
QT_REQUIRE_CONFIG(tabletevent);
QT_BEGIN_NAMESPACE
class QDebug;
class QWindow;
class QRect;
struct QWindowsWinTab32DLL
{
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 = nullptr;
PtrWTClose wTClose = nullptr;
PtrWTInfo wTInfo = nullptr;
PtrWTEnable wTEnable = nullptr;
PtrWTOverlap wTOverlap = nullptr;
PtrWTPacketsGet wTPacketsGet = nullptr;
PtrWTGet wTGet = nullptr;
PtrWTQueueSizeGet wTQueueSizeGet = nullptr;
PtrWTQueueSizeSet wTQueueSizeSet = nullptr;
};
// Data associated with a physical cursor (system ID) which is shared between
// devices of varying device type/pointer type.
struct QWindowsTabletDeviceData
{
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 = 0;
int maxPressure = 0;
int minTanPressure = 0;
int maxTanPressure = 0;
int minX = 0;
int maxX = 0;
int minY = 0;
int maxY = 0;
int minZ = 0;
int maxZ = 0;
qint64 systemId = 0;
bool zCapability = false;
bool tiltCapability = false;
QHash<quint8, quint8> buttonsMap;
};
class QWinTabPointingDevice : public QPointingDevice
{
public:
using DeviceDataPtr = QSharedPointer<QWindowsTabletDeviceData>;
explicit QWinTabPointingDevice(const DeviceDataPtr &data,
const QString &name, qint64 systemId,
QInputDevice::DeviceType devType,
PointerType pType, Capabilities caps, int maxPoints,
int buttonCount, const QString &seatName = QString(),
QPointingDeviceUniqueId uniqueId = QPointingDeviceUniqueId(),
QObject *parent = nullptr);
const DeviceDataPtr &deviceData() const { return m_deviceData; }
private:
DeviceDataPtr m_deviceData;
};
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug d, const QWindowsTabletDeviceData &t);
#endif
class QWindowsTabletSupport
{
Q_DISABLE_COPY_MOVE(QWindowsTabletSupport)
explicit QWindowsTabletSupport(HWND window, HCTX context);
public:
using DevicePtr = QSharedPointer<QWinTabPointingDevice>;
using Devices = QList<DevicePtr>;
enum Mode
{
PenMode,
MouseMode
};
enum State
{
PenUp,
PenProximity,
PenDown
};
~QWindowsTabletSupport();
static QWindowsTabletSupport *create();
void notifyActivate();
QString description() const;
bool translateTabletProximityEvent(WPARAM wParam, LPARAM lParam);
bool translateTabletPacketEvent();
static int absoluteRange() { return m_absoluteRange; }
static void setAbsoluteRange(int a) { m_absoluteRange = a; }
private:
unsigned options() const;
QWindowsTabletDeviceData tabletInit(qint64 uniqueId, UINT cursorType) const;
void updateData(QWindowsTabletDeviceData *data) const;
void updateButtons(unsigned currentCursor, QWindowsTabletDeviceData *data) const;
void enterProximity(ulong time = 0, QWindow *window = nullptr);
void leaveProximity(ulong time = 0, QWindow *window = nullptr);
void enterLeaveProximity(bool enter, ulong time, QWindow *window = nullptr);
DevicePtr findDevice(qint64 systemId) const;
DevicePtr findDevice(qint64 systemId,
QInputDevice::DeviceType deviceType,
QPointingDevice::PointerType pointerType) const;
DevicePtr clonePhysicalDevice(qint64 systemId,
QInputDevice::DeviceType deviceType,
QPointingDevice::PointerType pointerType);
static QWindowsWinTab32DLL m_winTab32DLL;
const HWND m_window;
const HCTX m_context;
static int m_absoluteRange;
bool m_tiltSupport = false;
Devices m_devices;
DevicePtr m_currentDevice;
Mode m_mode = PenMode;
State m_state = PenUp;
ulong m_eventTime = 0;
};
QT_END_NAMESPACE
#endif // QWINDOWSTABLETSUPPORT_H
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