内容

• 公共类型
• 特性
• 公共函数
• 公共槽
• 信号
• 静态公共成员
• 详细描述

QPickEvent Class

( Qt3DRender::QPickEvent )

The QPickEvent class holds information when an object is picked. 更多...

头：	#include <QPickEvent>
qmake:	QT += 3drender
Since:	Qt 5.7
实例化：	PickEvent
继承：	QObject
继承者：	Qt3DRender::QPickLineEvent , Qt3DRender::QPickPointEvent ，和 Qt3DRender::QPickTriangleEvent

• 所有成员列表，包括继承成员
• 过时成员

公共类型

enum	Buttons { LeftButton, RightButton, MiddleButton, BackButton, NoButton }
enum	Modifiers { NoModifier, ShiftModifier, ControlModifier, AltModifier, MetaModifier, KeypadModifier }

特性

accepted : bool button : const Qt3DRender::QPickEvent::Buttons buttons : const int distance : const float

localIntersection : const QVector3D modifiers : const int position : const QPointF worldIntersection : const QVector3D

• 1 特性继承自 QObject

公共函数

	QPickEvent ()
	QPickEvent (const QPointF & position , const QVector3D & intersection , const QVector3D & localIntersection , float distance )
	QPickEvent (const QPointF & position , const QVector3D & worldIntersection , const QVector3D & localIntersection , float distance , Qt3DRender::QPickEvent::Buttons button , int buttons , int modifiers )
Qt3DRender::QPickEvent::Buttons	button () const
int	buttons () const
float	distance () const
bool	isAccepted () const
QVector3D	localIntersection () const
int	modifiers () const
QPointF	position () const
QVector3D	worldIntersection () const

• 31 公共函数继承自 QObject

公共槽

void	setAccepted (bool accepted )

• 1 公共槽继承自 QObject

信号

void	acceptedChanged (bool accepted )

• 2 信号继承自 QObject

静态公共成员

const QMetaObject

staticMetaObject

• 9 静态公共成员继承自 QObject

额外继承成员

• 9 保护函数继承自 QObject

详细描述

The QPickEvent class holds information when an object is picked.

This is received as a parameter in most of the QObjectPicker component signals when picking succeeds.

另请参阅 QPickingSettings , QPickTriangleEvent ，和 QObjectPicker .

成员类型文档编制

enum QPickEvent:: Buttons

常量	值
Qt3DRender::QPickEvent::LeftButton	Qt::LeftButton
Qt3DRender::QPickEvent::RightButton	Qt::RightButton
Qt3DRender::QPickEvent::MiddleButton	Qt::MiddleButton
Qt3DRender::QPickEvent::BackButton	Qt::BackButton
Qt3DRender::QPickEvent::NoButton	Qt::NoButton

enum QPickEvent:: Modifiers

常量	值
Qt3DRender::QPickEvent::NoModifier	Qt::NoModifier
Qt3DRender::QPickEvent::ShiftModifier	Qt::ShiftModifier
Qt3DRender::QPickEvent::ControlModifier	Qt::ControlModifier
Qt3DRender::QPickEvent::AltModifier	Qt::AltModifier
Qt3DRender::QPickEvent::MetaModifier	Qt::MetaModifier
Qt3DRender::QPickEvent::KeypadModifier	Qt::KeypadModifier

特性文档编制

accepted : bool

Specifies if event has been accepted

访问函数：

bool	isAccepted () const
void	setAccepted (bool accepted )

通知程序信号：

void	acceptedChanged (bool accepted )

button : const Qt3DRender::QPickEvent::Buttons

Specifies mouse button that caused the event

访问函数：

Qt3DRender::QPickEvent::Buttons

button () const

buttons : const int

Specifies state of the mouse buttons for the event

访问函数：

int	buttons () const

distance : const float

Specifies the distance of the hit to the camera

访问函数：

float

distance () const

localIntersection : const QVector3D

Specifies the coordinates of the hit in the local coordinate system of the picked entity

访问函数：

QVector3D

localIntersection () const

modifiers : const int

Specifies state of the mouse buttons for the event

访问函数：

int	modifiers () const

position : const QPointF

Specifies the mouse position with respect to the render area (window or quick item)

访问函数：

QPointF

position () const

worldIntersection : const QVector3D

Specifies the coordinates of the hit in world coordinate system

访问函数：

QVector3D

worldIntersection () const

成员函数文档编制

QPickEvent:: QPickEvent ()

构造新的 QPickEvent .

QPickEvent:: QPickEvent (const QPointF & position , const QVector3D & intersection , const QVector3D & localIntersection , float distance )

构造新的 QPickEvent with the given parameters: position , intersection , localIntersection and distance

QPickEvent:: QPickEvent (const QPointF & position , const QVector3D & worldIntersection , const QVector3D & localIntersection , float distance , Qt3DRender::QPickEvent::Buttons button , int buttons , int modifiers )

构造新的 QPickEvent with the given parameters: position , worldIntersection , localIntersection , distance , button , buttons and modifiers

Qt3DRender::QPickEvent::Buttons QPickEvent:: button () const

QPickEvent::button Returns mouse button that caused the event

注意： getter 函数对于特性 button .

int QPickEvent:: buttons () const

QPickEvent::buttons Returns bitfield to be used to check for mouse buttons that may be accompanying the pick event.

注意： getter 函数对于特性 buttons .

float QPickEvent:: distance () const

QPickEvent::distance Returns distance from camera to pick point

注意： getter 函数对于特性 distance .

bool QPickEvent:: isAccepted () const

QPickEvent::isAccepted Returns true if the event has been accepted

注意： getter 函数对于特性 accepted .

QVector3D QPickEvent:: localIntersection () const

QPickEvent::localIntersection Returns coordinates of the hit in the local coordinate system of the picked entity

注意： getter 函数对于特性 localIntersection .

int QPickEvent:: modifiers () const

QPickEvent::modifiers Returns bitfield to be used to check for keyboard modifiers that may be accompanying the pick event.

注意： getter 函数对于特性 modifiers .

QPointF QPickEvent:: position () const

QPickEvent::position Returns mouse pointer coordinate of the pick query

注意： getter 函数对于特性 position .

[slot] void QPickEvent:: setAccepted ( bool accepted )

QPickEvent::setAccepted set if the event has been accepted to accepted

注意： setter 函数对于特性 accepted .

另请参阅 isAccepted ().

QVector3D QPickEvent:: worldIntersection () const

QPickEvent::worldIntersection Returns coordinates of the hit in world coordinate system

注意： getter 函数对于特性 worldIntersection .