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QKeyEventTransition Class

The QKeyEventTransition class provides a transition for key events. More...

Header: #include <QKeyEventTransition>
qmake: QT += widgets
Since: Qt 4.6
Inherits: QEventTransition

This class was introduced in Qt 4.6.

Properties

Public Functions

QKeyEventTransition(QObject *object, QEvent::Type type, int key, QState *sourceState = nullptr)
QKeyEventTransition(QState *sourceState = nullptr)
virtual ~QKeyEventTransition()
int key() const
Qt::KeyboardModifiers modifierMask() const
void setKey(int key)
void setModifierMask(Qt::KeyboardModifiers modifierMask)

Reimplemented Protected Functions

virtual bool eventTest(QEvent *event) override
virtual void onTransition(QEvent *event) override

Detailed Description

QKeyEventTransition is part of The State Machine Framework.

See also QState::addTransition().

Property Documentation

key : int

This property holds the key that this key event transition is associated with

Access functions:

int key() const
void setKey(int key)

modifierMask : Qt::KeyboardModifiers

This property holds the keyboard modifier mask that this key event transition checks for

Access functions:

Qt::KeyboardModifiers modifierMask() const
void setModifierMask(Qt::KeyboardModifiers modifierMask)

Member Function Documentation

QKeyEventTransition::QKeyEventTransition(QObject *object, QEvent::Type type, int key, QState *sourceState = nullptr)

Constructs a new key event transition for events of the given type for the given object, with the given key and sourceState.

QKeyEventTransition::QKeyEventTransition(QState *sourceState = nullptr)

Constructs a new key event transition with the given sourceState.

[virtual] QKeyEventTransition::~QKeyEventTransition()

Destroys this key event transition.

[override virtual protected] bool QKeyEventTransition::eventTest(QEvent *event)

Reimplements: QEventTransition::eventTest(QEvent *event).

int QKeyEventTransition::key() const

Returns the key that this key event transition checks for.

Note: Getter function for property key.

See also setKey().

Qt::KeyboardModifiers QKeyEventTransition::modifierMask() const

Returns the keyboard modifier mask that this key event transition checks for.

Note: Getter function for property modifierMask.

See also setModifierMask().

[override virtual protected] void QKeyEventTransition::onTransition(QEvent *event)

Reimplements: QEventTransition::onTransition(QEvent *event).

void QKeyEventTransition::setKey(int key)

Sets the key that this key event transition will check for.

Note: Setter function for property key.

See also key().

void QKeyEventTransition::setModifierMask(Qt::KeyboardModifiers modifierMask)

Sets the keyboard modifier mask that this key event transition will check for to modifierMask.

Note: Setter function for property modifierMask.

See also modifierMask().

© The Qt Company Ltd
Licensed under the GNU Free Documentation License, Version 1.3.
https://doc.qt.io/qt-5.15/qkeyeventtransition.html