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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#ifdef QUICK3D_MODULE
#include <QtGui/qvector3d.h>
#include <QtCore/qpoint.h>
#include <QtCore/qpointer.h>
#include <QtQuick3D/private/qquick3dnode_p.h>
#include <QtQuick3D/private/qquick3dmodel_p.h>
#include <QtQuick3D/private/qquick3dviewport_p.h>
#include <QtQuick3D/private/qtquick3dglobal_p.h>
namespace QmlDesigner {
namespace Internal {
class MouseArea3D : public QQuick3DNode
{
Q_OBJECT
Q_PROPERTY(QQuick3DViewport *view3D READ view3D WRITE setView3D NOTIFY view3DChanged)
Q_PROPERTY(bool grabsMouse READ grabsMouse WRITE setGrabsMouse NOTIFY grabsMouseChanged)
Q_PROPERTY(qreal x READ x WRITE setX NOTIFY xChanged)
Q_PROPERTY(qreal y READ y WRITE setY NOTIFY yChanged)
Q_PROPERTY(qreal width READ width WRITE setWidth NOTIFY widthChanged)
Q_PROPERTY(qreal height READ height WRITE setHeight NOTIFY heightChanged)
Q_PROPERTY(bool hovering READ hovering NOTIFY hoveringChanged)
Q_PROPERTY(bool dragging READ dragging NOTIFY draggingChanged)
Q_PROPERTY(int priority READ priority WRITE setPriority NOTIFY priorityChanged)
Q_PROPERTY(bool active READ active WRITE setActive NOTIFY activeChanged)
Q_PROPERTY(QPointF circlePickArea READ circlePickArea WRITE setCirclePickArea NOTIFY circlePickAreaChanged)
Q_PROPERTY(qreal minAngle READ minAngle WRITE setMinAngle NOTIFY minAngleChanged)
Q_PROPERTY(QQuick3DNode *pickNode READ pickNode WRITE setPickNode NOTIFY pickNodeChanged)
Q_PROPERTY(MouseArea3D *dragHelper READ dragHelper WRITE setDragHelper NOTIFY dragHelperChanged)
Q_INTERFACES(QQmlParserStatus)
public:
MouseArea3D(QQuick3DNode *parent = nullptr);
QQuick3DViewport *view3D() const;
qreal x() const;
qreal y() const;
qreal width() const;
qreal height() const;
int priority() const;
bool hovering() const;
bool dragging() const;
bool grabsMouse() const;
bool active() const;
QPointF circlePickArea() const;
qreal minAngle() const;
QQuick3DNode *pickNode() const;
MouseArea3D *dragHelper() const;
static qreal mouseDragMultiplier() { return .02; }
public slots:
void setView3D(QQuick3DViewport *view3D);
void setGrabsMouse(bool grabsMouse);
void setActive(bool active);
void setCirclePickArea(const QPointF &pickArea);
void setMinAngle(qreal angle);
void setPickNode(QQuick3DNode *node);
void setDragHelper(MouseArea3D *dragHelper);
void setX(qreal x);
void setY(qreal y);
void setWidth(qreal width);
void setHeight(qreal height);
void setPriority(int level);
Q_INVOKABLE QVector3D rayIntersectsPlane(const QVector3D &rayPos0,
const QVector3D &rayPos1,
const QVector3D &planePos,
const QVector3D &planeNormal) const;
Q_INVOKABLE QVector3D getNewScale(QQuick3DNode *node, const QVector3D &startScale,
const QVector3D &pressPos,
const QVector3D &sceneRelativeDistance, bool global);
Q_INVOKABLE qreal getNewRotationAngle(QQuick3DNode *node, const QVector3D &pressPos,
const QVector3D ¤tPos, const QVector3D &nodePos,
qreal prevAngle, bool trackBall);
Q_INVOKABLE void applyRotationAngleToNode(QQuick3DNode *node, const QVector3D &startRotation,
qreal angle);
Q_INVOKABLE void applyFreeRotation(QQuick3DNode *node, const QVector3D &startRotation,
const QVector3D &pressPos, const QVector3D ¤tPos);
signals:
void view3DChanged();
void xChanged();
void yChanged();
void widthChanged();
void heightChanged();
void priorityChanged();
void hoveringChanged();
void draggingChanged();
void activeChanged();
void grabsMouseChanged();
void circlePickAreaChanged();
void minAngleChanged();
void pickNodeChanged();
void dragHelperChanged();
// angle parameter is only set if circlePickArea is specified
void pressed(const QVector3D &scenePos, const QPoint &screenPos, qreal angle);
void released(const QVector3D &scenePos, const QPoint &screenPos);
void dragged(const QVector3D &scenePos, const QPoint &screenPos);
protected:
void classBegin() override {}
void componentComplete() override;
bool eventFilter(QObject *obj, QEvent *event) override;
private:
void setDragging(bool enable);
void setHovering(bool enable);
QVector3D getNormal() const;
QVector3D getCameraToNodeDir(QQuick3DNode *node) const;
Q_DISABLE_COPY(MouseArea3D)
QQuick3DViewport *m_view3D = nullptr;
qreal m_x;
qreal m_y;
qreal m_width;
qreal m_height;
int m_priority = 0;
bool m_hovering = false;
bool m_dragging = false;
bool m_active = false;
QVector3D getMousePosInPlane(const MouseArea3D *helper, const QPointF &mousePosInView) const;
static MouseArea3D *s_mouseGrab;
bool m_grabsMouse = false;
QVector3D m_mousePosInPlane;
QPointF m_circlePickArea;
qreal m_minAngle = 0.;
QQuick3DNode *m_pickNode = nullptr;
MouseArea3D *m_dragHelper = nullptr;
};
}
}
QML_DECLARE_TYPE(QmlDesigner::Internal::MouseArea3D)
#endif // QUICK3D_MODULE
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