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Diffstat (limited to 'src/corelib/statemachine/qeventtransition.cpp')
| -rw-r--r-- | src/corelib/statemachine/qeventtransition.cpp | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/src/corelib/statemachine/qeventtransition.cpp b/src/corelib/statemachine/qeventtransition.cpp deleted file mode 100644 index 5dcbcfff47..0000000000 --- a/src/corelib/statemachine/qeventtransition.cpp +++ /dev/null @@ -1,256 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** 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-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qeventtransition.h" -#include "qeventtransition_p.h" -#include "qstate.h" -#include "qstate_p.h" -#include "qstatemachine.h" -#include "qstatemachine_p.h" -#include <qdebug.h> - -QT_BEGIN_NAMESPACE - -/*! - \class QEventTransition - \inmodule QtCore - - \brief The QEventTransition class provides a QObject-specific transition for Qt events. - - \since 4.6 - \ingroup statemachine - - A QEventTransition object binds an event to a particular QObject. - QEventTransition is part of \l{The State Machine Framework}. - - Example: - - \code - QPushButton *button = ...; - QState *s1 = ...; - QState *s2 = ...; - // If in s1 and the button receives an Enter event, transition to s2 - QEventTransition *enterTransition = new QEventTransition(button, QEvent::Enter); - enterTransition->setTargetState(s2); - s1->addTransition(enterTransition); - // If in s2 and the button receives an Exit event, transition back to s1 - QEventTransition *leaveTransition = new QEventTransition(button, QEvent::Leave); - leaveTransition->setTargetState(s1); - s2->addTransition(leaveTransition); - \endcode - - \section1 Subclassing - - When reimplementing the eventTest() function, you should first call the base - implementation to verify that the event is a QStateMachine::WrappedEvent for - the proper object and event type. You may then cast the event to a - QStateMachine::WrappedEvent and get the original event by calling - QStateMachine::WrappedEvent::event(), and perform additional checks on that - object. - - \sa QState::addTransition() -*/ - -/*! - \property QEventTransition::eventSource - - \brief the event source that this event transition is associated with -*/ - -/*! - \property QEventTransition::eventType - - \brief the type of event that this event transition is associated with -*/ -QEventTransitionPrivate::QEventTransitionPrivate() -{ - object = nullptr; - eventType = QEvent::None; - registered = false; -} - -QEventTransitionPrivate::~QEventTransitionPrivate() -{ -} - -void QEventTransitionPrivate::unregister() -{ - Q_Q(QEventTransition); - if (!registered || !machine()) - return; - QStateMachinePrivate::get(machine())->unregisterEventTransition(q); -} - -void QEventTransitionPrivate::maybeRegister() -{ - Q_Q(QEventTransition); - if (QStateMachine *mach = machine()) - QStateMachinePrivate::get(mach)->maybeRegisterEventTransition(q); -} - -/*! - Constructs a new QEventTransition object with the given \a sourceState. -*/ -QEventTransition::QEventTransition(QState *sourceState) - : QAbstractTransition(*new QEventTransitionPrivate, sourceState) -{ -} - -/*! - Constructs a new QEventTransition object associated with events of the given - \a type for the given \a object, and with the given \a sourceState. -*/ -QEventTransition::QEventTransition(QObject *object, QEvent::Type type, - QState *sourceState) - : QAbstractTransition(*new QEventTransitionPrivate, sourceState) -{ - Q_D(QEventTransition); - d->registered = false; - d->object = object; - d->eventType = type; - d->maybeRegister(); -} - -/*! - \internal -*/ -QEventTransition::QEventTransition(QEventTransitionPrivate &dd, QState *parent) - : QAbstractTransition(dd, parent) -{ -} - -/*! - \internal -*/ -QEventTransition::QEventTransition(QEventTransitionPrivate &dd, QObject *object, - QEvent::Type type, QState *parent) - : QAbstractTransition(dd, parent) -{ - Q_D(QEventTransition); - d->registered = false; - d->object = object; - d->eventType = type; - d->maybeRegister(); -} - -/*! - Destroys this QObject event transition. -*/ -QEventTransition::~QEventTransition() -{ -} - -/*! - Returns the event type that this event transition is associated with. -*/ -QEvent::Type QEventTransition::eventType() const -{ - Q_D(const QEventTransition); - return d->eventType; -} - -/*! - Sets the event \a type that this event transition is associated with. -*/ -void QEventTransition::setEventType(QEvent::Type type) -{ - Q_D(QEventTransition); - if (d->eventType == type) - return; - d->unregister(); - d->eventType = type; - d->maybeRegister(); -} - -/*! - Returns the event source associated with this event transition. -*/ -QObject *QEventTransition::eventSource() const -{ - Q_D(const QEventTransition); - return d->object; -} - -/*! - Sets the event source associated with this event transition to be the given - \a object. -*/ -void QEventTransition::setEventSource(QObject *object) -{ - Q_D(QEventTransition); - if (d->object == object) - return; - d->unregister(); - d->object = object; - d->maybeRegister(); -} - -/*! - \reimp -*/ -bool QEventTransition::eventTest(QEvent *event) -{ - Q_D(const QEventTransition); - if (event->type() == QEvent::StateMachineWrapped) { - QStateMachine::WrappedEvent *we = static_cast<QStateMachine::WrappedEvent*>(event); - return (we->object() == d->object) - && (we->event()->type() == d->eventType); - } - return false; -} - -/*! - \reimp -*/ -void QEventTransition::onTransition(QEvent *event) -{ - Q_UNUSED(event); -} - -/*! - \reimp -*/ -bool QEventTransition::event(QEvent *e) -{ - return QAbstractTransition::event(e); -} - -QT_END_NAMESPACE - -#include "moc_qeventtransition.cpp" |