内容

• 特性
• 公共函数
• 相关非成员
• 详细描述

QKeyEvent 类

( Qt3DInput::QKeyEvent )

QKeyEvent event type send by KeyBoardHandler. 更多...

头：	#include < QKeyEvent >
qmake:	QT += 3dinput
Since:	Qt 5.5
实例化：	KeyEvent
继承：	QObject

• 所有成员列表，包括继承成员

特性

accepted : bool count : const int isAutoRepeat : const bool key : const int

modifiers : const int nativeScanCode : const quint32 text : const QString

• 1 特性继承自 QObject

公共函数

	QKeyEvent (QEvent::Type type , int key , Qt::KeyboardModifiers modifiers , const QString & text = QString(), bool autorep = false, ushort count = 1)
	QKeyEvent (const QKeyEvent & ke )
int	count () const
bool	isAccepted () const
bool	isAutoRepeat () const
int	key () const
bool	matches (QKeySequence::StandardKey key_ ) const
int	modifiers () const
quint32	nativeScanCode () const
void	setAccepted (bool accepted )
QString	text () const
QEvent::Type	type () const

• 32 公共函数继承自 QObject

相关非成员

typedef

QKeyEventPtr

额外继承成员

• 1 公共槽继承自 QObject
• 2 信号继承自 QObject
• 11 静态公共成员继承自 QObject
• 9 保护函数继承自 QObject

详细描述

QKeyEvent event type send by KeyBoardHandler.

Contains parameters that describe a key event

特性文档编制

accepted : bool

设置 accepted to true prevents the key event from being propagated to the item's parent.

Generally, if the item acts on the key event then it should be accepted so that ancestor items do not also respond to the same event.

访问函数：

bool	isAccepted () const
void	setAccepted (bool accepted )

count : const int

Holds the number of keys involved in this event. If text is not empty, this is simply the length of the string.

访问函数：

int	count () const

isAutoRepeat : const bool

Holds whether this event comes from an auto-repeating key.

访问函数：

bool	isAutoRepeat () const

key : const int

This property holds the code of the key that was pressed or released.

见 Qt.Key for the list of keyboard codes.

访问函数：

int	key () const

另请参阅 QKeyEvent::key.

modifiers : const int

This property holds the keyboard modifier flags that existed immediately before the event occurred.

访问函数：

int	modifiers () const

另请参阅 QKeyEvent::modifiers.

nativeScanCode : const quint32

This property contains the native scan code of the key that was pressed. It is passed through from QKeyEvent unchanged.

访问函数：

quint32

nativeScanCode () const

text : const QString

This property holds the Unicode text that the key generated. The text returned can be an empty string in cases where modifier keys, such as Shift, Control, Alt, and Meta, are being pressed or released. In such cases key will contain a valid value.

访问函数：

QString

text () const

成员函数文档编制

QKeyEvent:: QKeyEvent ( QEvent::Type type , int key , Qt::KeyboardModifiers modifiers , const QString & text = QString(), bool autorep = false, ushort count = 1)

Default constructs an instance of QKeyEvent.

QKeyEvent:: QKeyEvent (const QKeyEvent & ke )

Copy constructor.

bool QKeyEvent:: matches ( QKeySequence::StandardKey key_ ) const

返回 true if the key event matches the given standard key key_ ；否则返回 false .

另请参阅 QKeySequence::StandardKey .

QEvent::Type QKeyEvent:: type () const

Returns the type of event

相关非成员

typedef Qt3DInput:: QKeyEventPtr

共享指针为 QKeyEvent .