path: root/src/gui/kernel/qeventpoint_p.h

// Copyright (C) 2020 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 QEVENTPOINT_P_H#define QEVENTPOINT_P_H//// W A R N I N G// -------------//// This file is not part of the Qt API. It exists for the convenience// of other Qt classes. This header file may change from version to// version without notice, or even be removed.//// We mean it.//#include <QtGui/private/qtguiglobal_p.h>#include <QtGui/qevent.h>#include <QtCore/qloggingcategory.h>#include <QtCore/qpointer.h> QT_BEGIN_NAMESPACE Q_DECLARE_LOGGING_CATEGORY(lcPointerVel);Q_DECLARE_LOGGING_CATEGORY(lcEPDetach);class QPointingDevice;class QEventPointPrivate :public QSharedData {public:QEventPointPrivate(int id,const QPointingDevice *device):device(device),pointId(id) { }QEventPointPrivate(int pointId,QEventPoint::State state,const QPointF &scenePosition,const QPointF &globalPosition):scenePos(scenePosition),globalPos(globalPosition),pointId(pointId),state(state){if(state ==QEventPoint::State::Released) pressure =0;}inlinebooloperator==(const QEventPointPrivate &other)const{return device == other.device && window == other.window && target == other.target && pos == other.pos && scenePos == other.scenePos && globalPos == other.globalPos && globalPressPos == other.globalPressPos && globalGrabPos == other.globalGrabPos && globalLastPos == other.globalLastPos && pressure == other.pressure && rotation == other.rotation && ellipseDiameters == other.ellipseDiameters && velocity == other.velocity && timestamp == other.timestamp && lastTimestamp == other.lastTimestamp && pressTimestamp == other.pressTimestamp && uniqueId == other.uniqueId && pointId == other.pointId && state == other.state;}const QPointingDevice *device =nullptr; QPointer<QWindow> window; QPointer<QObject> target; QPointF pos, scenePos, globalPos, globalPressPos, globalGrabPos, globalLastPos; qreal pressure =1; qreal rotation =0; QSizeF ellipseDiameters =QSizeF(0,0); QVector2D velocity; ulong timestamp =0; ulong lastTimestamp =0; ulong pressTimestamp =0; QPointingDeviceUniqueId uniqueId;int pointId = -1;QEventPoint::State state =QEventPoint::State::Unknown;bool accept =false;};// Private subclasses to allow accessing and modifying protected variables.// These should NOT hold any extra state.class QMutableEventPoint {public:static QEventPoint withTimeStamp(ulong timestamp,int pointId,QEventPoint::State state, QPointF position, QPointF scenePosition, QPointF globalPosition){ QEventPoint p(pointId, state, scenePosition, globalPosition); p.d->timestamp = timestamp; p.d->pos = position;return p;}static Q_GUI_EXPORT voidupdate(const QEventPoint &from, QEventPoint &to);static Q_GUI_EXPORT voiddetach(QEventPoint &p);#define TRIVIAL_SETTER(type, field, Field) \ static void set##Field (QEventPoint &p, type arg) { p.d->field = std::move(arg); } \/* end */TRIVIAL_SETTER(int, pointId, Id)TRIVIAL_SETTER(const QPointingDevice *, device, Device)// not trivial:static Q_GUI_EXPORT voidsetTimestamp(QEventPoint &p, ulong t);TRIVIAL_SETTER(ulong, pressTimestamp, PressTimestamp)TRIVIAL_SETTER(QEventPoint::State, state, State)TRIVIAL_SETTER(QPointingDeviceUniqueId, uniqueId, UniqueId)TRIVIAL_SETTER(QPointF, pos, Position)TRIVIAL_SETTER(QPointF, scenePos, ScenePosition)TRIVIAL_SETTER(QPointF, globalPos, GlobalPosition)TRIVIAL_SETTER(QPointF, globalPressPos, GlobalPressPosition)TRIVIAL_SETTER(QPointF, globalGrabPos, GlobalGrabPosition)TRIVIAL_SETTER(QPointF, globalLastPos, GlobalLastPosition)TRIVIAL_SETTER(QSizeF, ellipseDiameters, EllipseDiameters)TRIVIAL_SETTER(qreal, pressure, Pressure)TRIVIAL_SETTER(qreal, rotation, Rotation)TRIVIAL_SETTER(QVector2D, velocity, Velocity)static QWindow *window(const QEventPoint &p) {return p.d->window.data(); }TRIVIAL_SETTER(QWindow *, window, Window)static QObject *target(const QEventPoint &p) {return p.d->target.data(); }TRIVIAL_SETTER(QObject *, target, Target)#undef TRIVIAL_SETTER}; QT_END_NAMESPACE #endif// QEVENTPOINT_P_H