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Diffstat (limited to 'src/imports/statemachine/timeouttransition.cpp')
-rw-r--r-- | src/imports/statemachine/timeouttransition.cpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/imports/statemachine/timeouttransition.cpp b/src/imports/statemachine/timeouttransition.cpp new file mode 100644 index 0000000000..eb946e38ad --- /dev/null +++ b/src/imports/statemachine/timeouttransition.cpp @@ -0,0 +1,114 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Ford Motor Company +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtQml 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "timeouttransition.h" + +#include <QQmlInfo> +#include <QTimer> +#include <QState> + +TimeoutTransition::TimeoutTransition(QState* parent) + : QSignalTransition((m_timer = new QTimer), SIGNAL(timeout()), parent) +{ + m_timer->setSingleShot(true); + m_timer->setInterval(1000); +} + +TimeoutTransition::~TimeoutTransition() +{ + delete m_timer; +} + +int TimeoutTransition::timeout() const +{ + return m_timer->interval(); +} + +void TimeoutTransition::setTimeout(int timeout) +{ + if (timeout != m_timer->interval()) { + m_timer->setInterval(timeout); + emit timeoutChanged(); + } +} + +void TimeoutTransition::componentComplete() +{ + QState *state = qobject_cast<QState*>(parent()); + if (!state) { + qmlInfo(this) << "Parent needs to be a State"; + return; + } + + connect(state, SIGNAL(entered()), m_timer, SLOT(start())); + connect(state, SIGNAL(exited()), m_timer, SLOT(stop())); + if (state->active()) + m_timer->start(); +} + +/*! + \qmltype TimeoutTransition + \inqmlmodule QtStateMachine 1.0 + \inherits QSignalTransition + \ingroup qmlstatemachine + \since 5.4 + + \brief The TimeoutTransition type provides a transition based on a timer. + + \l{Timer} type can be combined with SignalTransition to enact more complex + timeout based transitions. + + TimeoutTransition is part of \l{The Declarative State Machine Framework}. + + \section1 Example Usage + + \snippet qml/statemachine/timeouttransition.qml document + + \clearfloat + + \sa StateMachine, SignalTransition, FinalState, HistoryState +*/ + +/*! + \qmlproperty int TimeoutTransition::timeout + + \brief The timeout interval in milliseconds. +*/ |