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Diffstat (limited to 'src/gui/statemachine/qmouseeventtransition.cpp')
| -rw-r--r-- | src/gui/statemachine/qmouseeventtransition.cpp | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/src/gui/statemachine/qmouseeventtransition.cpp b/src/gui/statemachine/qmouseeventtransition.cpp new file mode 100644 index 0000000..6ae3d36 --- /dev/null +++ b/src/gui/statemachine/qmouseeventtransition.cpp @@ -0,0 +1,221 @@ +/**************************************************************************** +** +** 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 "qmouseeventtransition.h" + +#ifndef QT_NO_STATEMACHINE + +#include "qbasicmouseeventtransition_p.h" +#include <QtCore/qwrappedevent.h> +#include <QtGui/qpainterpath.h> +#include <private/qeventtransition_p.h> + +QT_BEGIN_NAMESPACE + +/*! + \class QMouseEventTransition + + \brief The QMouseEventTransition class provides a transition for mouse events. + + \since 4.6 + \ingroup statemachine + + QMouseEventTransition is part of \l{The State Machine Framework}. + + \sa QState::addTransition() +*/ + +/*! + \property QMouseEventTransition::button + + \brief the button that this mouse event transition is associated with +*/ + +/*! + \property QMouseEventTransition::modifiersMask + + \brief the keyboard modifiers mask that this mouse event transition checks for +*/ + +class QMouseEventTransitionPrivate : public QEventTransitionPrivate +{ + Q_DECLARE_PUBLIC(QMouseEventTransition) +public: + QMouseEventTransitionPrivate(); + + QBasicMouseEventTransition *transition; +}; + +QMouseEventTransitionPrivate::QMouseEventTransitionPrivate() +{ +} + +/*! + Constructs a new mouse event transition with the given \a sourceState. +*/ +QMouseEventTransition::QMouseEventTransition(QState *sourceState) + : QEventTransition(*new QMouseEventTransitionPrivate, sourceState) +{ + Q_D(QMouseEventTransition); + d->transition = new QBasicMouseEventTransition(); +} + +/*! + Constructs a new mouse event transition for events of the given \a type for + the given \a object, with the given \a button and \a sourceState. +*/ +QMouseEventTransition::QMouseEventTransition(QObject *object, QEvent::Type type, + Qt::MouseButton button, + QState *sourceState) + : QEventTransition(*new QMouseEventTransitionPrivate, object, type, sourceState) +{ + Q_D(QMouseEventTransition); + d->transition = new QBasicMouseEventTransition(type, button); +} + +/*! + Constructs a new mouse event transition for events of the given \a type for + the given \a object, with the given \a button, \a targets and \a + sourceState. +*/ +QMouseEventTransition::QMouseEventTransition(QObject *object, QEvent::Type type, + Qt::MouseButton button, + const QList<QAbstractState*> &targets, + QState *sourceState) + : QEventTransition(*new QMouseEventTransitionPrivate, object, type, targets, sourceState) +{ + Q_D(QMouseEventTransition); + d->transition = new QBasicMouseEventTransition(type, button); +} + +/*! + Destroys this mouse event transition. +*/ +QMouseEventTransition::~QMouseEventTransition() +{ + Q_D(QMouseEventTransition); + delete d->transition; +} + +/*! + Returns the button that this mouse event transition checks for. +*/ +Qt::MouseButton QMouseEventTransition::button() const +{ + Q_D(const QMouseEventTransition); + return d->transition->button(); +} + +/*! + Sets the \a button that this mouse event transition will check for. +*/ +void QMouseEventTransition::setButton(Qt::MouseButton button) +{ + Q_D(QMouseEventTransition); + d->transition->setButton(button); +} + +/*! + Returns the keyboard modifiers mask that this mouse event transition checks + for. +*/ +Qt::KeyboardModifiers QMouseEventTransition::modifiersMask() const +{ + Q_D(const QMouseEventTransition); + return d->transition->modifiersMask(); +} + +/*! + Sets the keyboard \a modifiers mask that this mouse event transition will + check for. +*/ +void QMouseEventTransition::setModifiersMask(Qt::KeyboardModifiers modifiersMask) +{ + Q_D(QMouseEventTransition); + d->transition->setModifiersMask(modifiersMask); +} + +/*! + Returns the path for this mouse event transition. +*/ +QPainterPath QMouseEventTransition::path() const +{ + Q_D(const QMouseEventTransition); + return d->transition->path(); +} + +/*! + Sets the \a path for this mouse event transition. + If a valid path has been set, the transition will only trigger if the mouse + event position (QMouseEvent::pos()) is inside the path. + + \sa QPainterPath::contains() +*/ +void QMouseEventTransition::setPath(const QPainterPath &path) +{ + Q_D(QMouseEventTransition); + d->transition->setPath(path); +} + +/*! + \reimp +*/ +bool QMouseEventTransition::eventTest(QEvent *event) +{ + Q_D(const QMouseEventTransition); + if (!QEventTransition::eventTest(event)) + return false; + QWrappedEvent *we = static_cast<QWrappedEvent*>(event); + d->transition->setEventType(we->event()->type()); + return QAbstractTransitionPrivate::get(d->transition)->callEventTest(we->event()); +} + +/*! + \reimp +*/ +void QMouseEventTransition::onTransition(QEvent *event) +{ + QEventTransition::onTransition(event); +} + +QT_END_NAMESPACE + +#endif //QT_NO_STATEMACHINE |