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Diffstat (limited to 'src/gui/kernel/qgesturerecognizer.cpp')
-rw-r--r-- | src/gui/kernel/qgesturerecognizer.cpp | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/src/gui/kernel/qgesturerecognizer.cpp b/src/gui/kernel/qgesturerecognizer.cpp deleted file mode 100644 index c330663..0000000 --- a/src/gui/kernel/qgesturerecognizer.cpp +++ /dev/null @@ -1,159 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (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 http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qgesturerecognizer.h" -#include "qgesture.h" - -#include <private/qobject_p.h> -#include <private/qgesturerecognizer_p.h> - -QT_BEGIN_NAMESPACE - -QString qt_getStandardGestureTypeName(Qt::GestureType gestureType); - -/*! - \class QGestureRecognizer - \since 4.6 - - \brief The QGestureRecognizer class is the base class for - implementing custom gestures. - - This is a base class, to create a custom gesture type, you should - subclass it and implement its pure virtual functions. - - Usually gesture recognizer implements state machine, storing its - state internally in the recognizer object. The recognizer receives - input events through the \l{QGestureRecognizer::}{filterEvent()} - virtual function and decides whether the parsed event should - change the state of the recognizer - i.e. if the event starts or - ends a gesture or if it isn't related to gesture at all. -*/ - -/*! - \enum QGestureRecognizer::Result - \since 4.6 - - This enum type defines the state of the gesture recognizer. - - \value Ignore Gesture recognizer ignores the event. - - \value NotGesture Not a gesture. - - \value GestureStarted The continuous gesture has started. When the - recognizer is in this state, a \l{QGestureEvent}{gesture event} - containing QGesture objects returned by the - \l{QGestureRecognizer::}{getGesture()} will be sent to a widget. - - \value GestureFinished The gesture has ended. A - \l{QGestureEvent}{gesture event} will be sent to a widget. - - \value MaybeGesture Gesture recognizer hasn't decided yet if a - gesture has started, but it might start soon after the following - events are received by the recognizer. This means that gesture - manager shouldn't reset() the internal state of the gesture - recognizer. -*/ - -/*! \fn QGestureRecognizer::Result QGestureRecognizer::filterEvent(const QEvent *event) - - This is a pure virtual function that needs to be implemented in - subclasses. - - Parses input \a event and returns the result, which specifies if - the event sequence is a gesture or not. -*/ - -/*! \fn QGesture* QGestureRecognizer::getGesture() - - Returns a gesture object that will be send to the widget. This - function is called when the gesture recognizer changed its state - to QGestureRecognizer::GestureStarted or - QGestureRecognizer::GestureFinished. - - The returned QGesture object must point to the same object in a - single gesture sequence. - - The gesture object is owned by the recognizer itself. -*/ - -/*! \fn void QGestureRecognizer::reset() - - Resets the internal state of the gesture recognizer. -*/ - -/*! \fn void QGestureRecognizer::stateChanged(QGestureRecognizer::Result result) - - The gesture recognizer might emit the stateChanged() signal when - the gesture state changes asynchronously, i.e. without any event - being filtered through filterEvent(). -*/ - -QGestureRecognizerPrivate::QGestureRecognizerPrivate() - : gestureType(Qt::UnknownGesture) -{ -} - -/*! - Creates a new gesture recognizer object that handles gestures of - the specific \a gestureType as a child of \a parent. - - \sa QApplication::addGestureRecognizer(), - QApplication::removeGestureRecognizer(), -*/ -QGestureRecognizer::QGestureRecognizer(const QString &gestureType, QObject *parent) - : QObject(*new QGestureRecognizerPrivate, parent) -{ - Q_D(QGestureRecognizer); - d->customGestureType = gestureType; -} - -/*! - Returns the name of the gesture that is handled by the recognizer. -*/ -QString QGestureRecognizer::gestureType() const -{ - Q_D(const QGestureRecognizer); - if (d->gestureType == Qt::UnknownGesture) - return d->customGestureType; - return qt_getStandardGestureTypeName(d->gestureType); -} - -QT_END_NAMESPACE |