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Diffstat (limited to 'src/gui/statemachine/qbasicmouseeventtransition.cpp')
| -rw-r--r-- | src/gui/statemachine/qbasicmouseeventtransition.cpp | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/src/gui/statemachine/qbasicmouseeventtransition.cpp b/src/gui/statemachine/qbasicmouseeventtransition.cpp new file mode 100644 index 0000000..0304e28 --- /dev/null +++ b/src/gui/statemachine/qbasicmouseeventtransition.cpp @@ -0,0 +1,213 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qbasicmouseeventtransition_p.h" + +#ifndef QT_NO_STATEMACHINE + +#include <QtGui/qevent.h> +#include <QtGui/qpainterpath.h> +#include <qdebug.h> +#include <private/qabstracttransition_p.h> + +QT_BEGIN_NAMESPACE + +/*! + \internal + \class QBasicMouseEventTransition + \since 4.6 + \ingroup statemachine + + \brief The QBasicMouseEventTransition class provides a transition for Qt mouse events. +*/ + +class QBasicMouseEventTransitionPrivate : public QAbstractTransitionPrivate +{ + Q_DECLARE_PUBLIC(QBasicMouseEventTransition) +public: + QBasicMouseEventTransitionPrivate(); + + static QBasicMouseEventTransitionPrivate *get(QBasicMouseEventTransition *q); + + QEvent::Type eventType; + Qt::MouseButton button; + Qt::KeyboardModifiers modifiersMask; + QPainterPath path; +}; + +QBasicMouseEventTransitionPrivate::QBasicMouseEventTransitionPrivate() +{ + eventType = QEvent::None; + button = Qt::NoButton; +} + +QBasicMouseEventTransitionPrivate *QBasicMouseEventTransitionPrivate::get(QBasicMouseEventTransition *q) +{ + return q->d_func(); +} + +/*! + Constructs a new mouse event transition with the given \a sourceState. +*/ +QBasicMouseEventTransition::QBasicMouseEventTransition(QState *sourceState) + : QAbstractTransition(*new QBasicMouseEventTransitionPrivate, sourceState) +{ +} + +/*! + Constructs a new mouse event transition for events of the given \a type. +*/ +QBasicMouseEventTransition::QBasicMouseEventTransition(QEvent::Type type, + Qt::MouseButton button, + QState *sourceState) + : QAbstractTransition(*new QBasicMouseEventTransitionPrivate, sourceState) +{ + Q_D(QBasicMouseEventTransition); + d->eventType = type; + d->button = button; +} + +/*! + Destroys this mouse event transition. +*/ +QBasicMouseEventTransition::~QBasicMouseEventTransition() +{ +} + +/*! + Returns the event type that this mouse event transition is associated with. +*/ +QEvent::Type QBasicMouseEventTransition::eventType() const +{ + Q_D(const QBasicMouseEventTransition); + return d->eventType; +} + +/*! + Sets the event \a type that this mouse event transition is associated with. +*/ +void QBasicMouseEventTransition::setEventType(QEvent::Type type) +{ + Q_D(QBasicMouseEventTransition); + d->eventType = type; +} + +/*! + Returns the button that this mouse event transition checks for. +*/ +Qt::MouseButton QBasicMouseEventTransition::button() const +{ + Q_D(const QBasicMouseEventTransition); + return d->button; +} + +/*! + Sets the button that this mouse event transition will check for. +*/ +void QBasicMouseEventTransition::setButton(Qt::MouseButton button) +{ + Q_D(QBasicMouseEventTransition); + d->button = button; +} + +/*! + Returns the keyboard modifiers mask that this mouse event transition checks + for. +*/ +Qt::KeyboardModifiers QBasicMouseEventTransition::modifiersMask() const +{ + Q_D(const QBasicMouseEventTransition); + return d->modifiersMask; +} + +/*! + Sets the keyboard modifiers mask that this mouse event transition will check + for. +*/ +void QBasicMouseEventTransition::setModifiersMask(Qt::KeyboardModifiers modifiersMask) +{ + Q_D(QBasicMouseEventTransition); + d->modifiersMask = modifiersMask; +} + +/*! + Returns the path for this mouse event transition. +*/ +QPainterPath QBasicMouseEventTransition::path() const +{ + Q_D(const QBasicMouseEventTransition); + return d->path; +} + +/*! + Sets the path for this mouse event transition. +*/ +void QBasicMouseEventTransition::setPath(const QPainterPath &path) +{ + Q_D(QBasicMouseEventTransition); + d->path = path; +} + +/*! + \reimp +*/ +bool QBasicMouseEventTransition::eventTest(QEvent *event) +{ + Q_D(const QBasicMouseEventTransition); + if (event->type() == d->eventType) { + QMouseEvent *me = static_cast<QMouseEvent*>(event); + return (me->button() == d->button) + && ((me->modifiers() & d->modifiersMask) == d->modifiersMask) + && (d->path.isEmpty() || d->path.contains(me->pos())); + } + return false; +} + +/*! + \reimp +*/ +void QBasicMouseEventTransition::onTransition(QEvent *) +{ +} + +QT_END_NAMESPACE + +#endif //QT_NO_STATEMACHINE |