diff options
Diffstat (limited to 'src/widgets/statemachine/qbasickeyeventtransition.cpp')
| -rw-r--r-- | src/widgets/statemachine/qbasickeyeventtransition.cpp | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/src/widgets/statemachine/qbasickeyeventtransition.cpp b/src/widgets/statemachine/qbasickeyeventtransition.cpp new file mode 100644 index 0000000000..615e642a7e --- /dev/null +++ b/src/widgets/statemachine/qbasickeyeventtransition.cpp @@ -0,0 +1,208 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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, Nokia gives you certain additional +** rights. These rights are described in the Nokia 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qbasickeyeventtransition_p.h" + +#ifndef QT_NO_STATEMACHINE + +#include <QtGui/qevent.h> +#include <qdebug.h> +#include <private/qabstracttransition_p.h> + +QT_BEGIN_NAMESPACE + +/*! + \internal + \class QBasicKeyEventTransition + \since 4.6 + \ingroup statemachine + + \brief The QBasicKeyEventTransition class provides a transition for Qt key events. +*/ + +class QBasicKeyEventTransitionPrivate : public QAbstractTransitionPrivate +{ + Q_DECLARE_PUBLIC(QBasicKeyEventTransition) +public: + QBasicKeyEventTransitionPrivate(); + + static QBasicKeyEventTransitionPrivate *get(QBasicKeyEventTransition *q); + + QEvent::Type eventType; + int key; + Qt::KeyboardModifiers modifierMask; +}; + +QBasicKeyEventTransitionPrivate::QBasicKeyEventTransitionPrivate() +{ + eventType = QEvent::None; + key = 0; + modifierMask = Qt::NoModifier; +} + +QBasicKeyEventTransitionPrivate *QBasicKeyEventTransitionPrivate::get(QBasicKeyEventTransition *q) +{ + return q->d_func(); +} + +/*! + Constructs a new key event transition with the given \a sourceState. +*/ +QBasicKeyEventTransition::QBasicKeyEventTransition(QState *sourceState) + : QAbstractTransition(*new QBasicKeyEventTransitionPrivate, sourceState) +{ +} + +/*! + Constructs a new event transition for events of the given \a type for the + given \a key, with the given \a sourceState. +*/ +QBasicKeyEventTransition::QBasicKeyEventTransition(QEvent::Type type, int key, + QState *sourceState) + : QAbstractTransition(*new QBasicKeyEventTransitionPrivate, sourceState) +{ + Q_D(QBasicKeyEventTransition); + d->eventType = type; + d->key = key; +} + +/*! + Constructs a new event transition for events of the given \a type for the + given \a key, with the given \a modifierMask and \a sourceState. +*/ +QBasicKeyEventTransition::QBasicKeyEventTransition(QEvent::Type type, int key, + Qt::KeyboardModifiers modifierMask, + QState *sourceState) + : QAbstractTransition(*new QBasicKeyEventTransitionPrivate, sourceState) +{ + Q_D(QBasicKeyEventTransition); + d->eventType = type; + d->key = key; + d->modifierMask = modifierMask; +} + +/*! + Destroys this event transition. +*/ +QBasicKeyEventTransition::~QBasicKeyEventTransition() +{ +} + +/*! + Returns the event type that this key event transition is associated with. +*/ +QEvent::Type QBasicKeyEventTransition::eventType() const +{ + Q_D(const QBasicKeyEventTransition); + return d->eventType; +} + +/*! + Sets the event \a type that this key event transition is associated with. +*/ +void QBasicKeyEventTransition::setEventType(QEvent::Type type) +{ + Q_D(QBasicKeyEventTransition); + d->eventType = type; +} + +/*! + Returns the key that this key event transition checks for. +*/ +int QBasicKeyEventTransition::key() const +{ + Q_D(const QBasicKeyEventTransition); + return d->key; +} + +/*! + Sets the key that this key event transition will check for. +*/ +void QBasicKeyEventTransition::setKey(int key) +{ + Q_D(QBasicKeyEventTransition); + d->key = key; +} + +/*! + Returns the keyboard modifier mask that this key event transition checks + for. +*/ +Qt::KeyboardModifiers QBasicKeyEventTransition::modifierMask() const +{ + Q_D(const QBasicKeyEventTransition); + return d->modifierMask; +} + +/*! + Sets the keyboard modifier mask that this key event transition will check + for. +*/ +void QBasicKeyEventTransition::setModifierMask(Qt::KeyboardModifiers modifierMask) +{ + Q_D(QBasicKeyEventTransition); + d->modifierMask = modifierMask; +} + +/*! + \reimp +*/ +bool QBasicKeyEventTransition::eventTest(QEvent *event) +{ + Q_D(const QBasicKeyEventTransition); + if (event->type() == d->eventType) { + QKeyEvent *ke = static_cast<QKeyEvent*>(event); + return (ke->key() == d->key) + && ((ke->modifiers() & d->modifierMask) == d->modifierMask); + } + return false; +} + +/*! + \reimp +*/ +void QBasicKeyEventTransition::onTransition(QEvent *) +{ +} + +QT_END_NAMESPACE + +#endif //QT_NO_STATEMACHINE |