src/gui/kernel/qstandardgestures.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 23:40:16 +0200
branchRCL_3
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permissions -rw-r--r--
Revision: 201003 Kit: 201007
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qstandardgestures_p.h"
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#include "qgesture.h"
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#include "qgesture_p.h"
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#include "qevent.h"
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#include "qwidget.h"
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#include "qabstractscrollarea.h"
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#include "qdebug.h"
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QT_BEGIN_NAMESPACE
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QPanGestureRecognizer::QPanGestureRecognizer()
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{
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}
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QGesture *QPanGestureRecognizer::create(QObject *target)
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{
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    if (target && target->isWidgetType()) {
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#if defined(Q_OS_WIN) && !defined(QT_NO_NATIVE_GESTURES)
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        // for scroll areas on Windows we want to use native gestures instead
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        if (!qobject_cast<QAbstractScrollArea *>(target->parent()))
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            static_cast<QWidget *>(target)->setAttribute(Qt::WA_AcceptTouchEvents);
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#else
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        static_cast<QWidget *>(target)->setAttribute(Qt::WA_AcceptTouchEvents);
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#endif
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    }
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    return new QPanGesture;
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}
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QGestureRecognizer::Result QPanGestureRecognizer::recognize(QGesture *state,
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                                                            QObject *,
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                                                            QEvent *event)
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{
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    QPanGesture *q = static_cast<QPanGesture *>(state);
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    QPanGesturePrivate *d = q->d_func();
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    const QTouchEvent *ev = static_cast<const QTouchEvent *>(event);
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    QGestureRecognizer::Result result;
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    switch (event->type()) {
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    case QEvent::TouchBegin: {
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        result = QGestureRecognizer::MayBeGesture;
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        QTouchEvent::TouchPoint p = ev->touchPoints().at(0);
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        d->lastOffset = d->offset = QPointF();
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        break;
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    }
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    case QEvent::TouchEnd: {
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        if (q->state() != Qt::NoGesture) {
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            if (ev->touchPoints().size() == 2) {
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                QTouchEvent::TouchPoint p1 = ev->touchPoints().at(0);
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                QTouchEvent::TouchPoint p2 = ev->touchPoints().at(1);
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                d->lastOffset = d->offset;
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                d->offset =
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                        QPointF(p1.pos().x() - p1.startPos().x() + p2.pos().x() - p2.startPos().x(),
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                              p1.pos().y() - p1.startPos().y() + p2.pos().y() - p2.startPos().y()) / 2;
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            }
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            result = QGestureRecognizer::FinishGesture;
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        } else {
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            result = QGestureRecognizer::CancelGesture;
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        }
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        break;
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    }
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    case QEvent::TouchUpdate: {
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        if (ev->touchPoints().size() >= 2) {
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            QTouchEvent::TouchPoint p1 = ev->touchPoints().at(0);
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            QTouchEvent::TouchPoint p2 = ev->touchPoints().at(1);
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            d->lastOffset = d->offset;
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            d->offset =
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                    QPointF(p1.pos().x() - p1.startPos().x() + p2.pos().x() - p2.startPos().x(),
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                          p1.pos().y() - p1.startPos().y() + p2.pos().y() - p2.startPos().y()) / 2;
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            if (d->offset.x() > 10  || d->offset.y() > 10 ||
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                d->offset.x() < -10 || d->offset.y() < -10) {
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                result = QGestureRecognizer::TriggerGesture;
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            } else {
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                result = QGestureRecognizer::MayBeGesture;
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            }
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        }
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        break;
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    }
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    case QEvent::MouseButtonPress:
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    case QEvent::MouseMove:
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    case QEvent::MouseButtonRelease:
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        result = QGestureRecognizer::Ignore;
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        break;
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    default:
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        result = QGestureRecognizer::Ignore;
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        break;
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    }
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    return result;
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}
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void QPanGestureRecognizer::reset(QGesture *state)
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{
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    QPanGesture *pan = static_cast<QPanGesture*>(state);
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    QPanGesturePrivate *d = pan->d_func();
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    d->lastOffset = d->offset = QPointF();
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    d->acceleration = 0;
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    QGestureRecognizer::reset(state);
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}
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//
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// QPinchGestureRecognizer
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//
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QPinchGestureRecognizer::QPinchGestureRecognizer()
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{
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}
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QGesture *QPinchGestureRecognizer::create(QObject *target)
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{
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    if (target && target->isWidgetType()) {
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        static_cast<QWidget *>(target)->setAttribute(Qt::WA_AcceptTouchEvents);
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    }
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    return new QPinchGesture;
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}
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   159
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QGestureRecognizer::Result QPinchGestureRecognizer::recognize(QGesture *state,
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                                                              QObject *,
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                                                              QEvent *event)
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{
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    QPinchGesture *q = static_cast<QPinchGesture *>(state);
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    QPinchGesturePrivate *d = q->d_func();
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   166
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    const QTouchEvent *ev = static_cast<const QTouchEvent *>(event);
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    QGestureRecognizer::Result result;
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    switch (event->type()) {
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    case QEvent::TouchBegin: {
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        result = QGestureRecognizer::MayBeGesture;
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        break;
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   175
    }
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    case QEvent::TouchEnd: {
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        if (q->state() != Qt::NoGesture) {
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            result = QGestureRecognizer::FinishGesture;
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        } else {
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            result = QGestureRecognizer::CancelGesture;
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        }
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        break;
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   183
    }
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    case QEvent::TouchUpdate: {
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        d->changeFlags = 0;
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        if (ev->touchPoints().size() == 2) {
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            QTouchEvent::TouchPoint p1 = ev->touchPoints().at(0);
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            QTouchEvent::TouchPoint p2 = ev->touchPoints().at(1);
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            d->hotSpot = p1.screenPos();
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            d->isHotSpotSet = true;
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   192
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            if (d->isNewSequence) {
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                d->startPosition[0] = p1.screenPos();
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                d->startPosition[1] = p2.screenPos();
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            }
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            QLineF line(p1.screenPos(), p2.screenPos());
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            QLineF tmp(line);
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            tmp.setLength(line.length() / 2.);
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            QPointF centerPoint = tmp.p2();
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   201
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            d->lastCenterPoint = d->centerPoint;
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            d->centerPoint = centerPoint;
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            d->changeFlags |= QPinchGesture::CenterPointChanged;
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   205
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            const qreal scaleFactor =
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                    QLineF(p1.screenPos(), p2.screenPos()).length()
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                    / QLineF(d->startPosition[0],  d->startPosition[1]).length();
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            if (d->isNewSequence) {
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                d->lastScaleFactor = scaleFactor;
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            } else {
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                d->lastScaleFactor = d->scaleFactor;
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   213
            }
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            d->scaleFactor = scaleFactor;
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            d->totalScaleFactor += d->scaleFactor - d->lastScaleFactor;
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            d->changeFlags |= QPinchGesture::ScaleFactorChanged;
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   217
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            qreal angle = QLineF(p1.screenPos(), p2.screenPos()).angle();
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            if (angle > 180)
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                angle -= 360;
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            qreal startAngle = QLineF(p1.startScreenPos(), p2.startScreenPos()).angle();
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            if (startAngle > 180)
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                startAngle -= 360;
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   224
            const qreal rotationAngle = startAngle - angle;
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   225
            if (d->isNewSequence)
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                d->lastRotationAngle = rotationAngle;
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   227
            else
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                d->lastRotationAngle = d->rotationAngle;
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            d->rotationAngle = rotationAngle;
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   230
            d->totalRotationAngle += d->rotationAngle - d->lastRotationAngle;
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   231
            d->changeFlags |= QPinchGesture::RotationAngleChanged;
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   232
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   233
            d->totalChangeFlags |= d->changeFlags;
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            d->isNewSequence = false;
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            result = QGestureRecognizer::TriggerGesture;
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   236
        } else {
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   237
            d->isNewSequence = true;
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   238
            if (q->state() == Qt::NoGesture)
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   239
                result = QGestureRecognizer::Ignore;
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   240
            else
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   241
                result = QGestureRecognizer::FinishGesture;
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   242
        }
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   243
        break;
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   244
    }
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   245
    case QEvent::MouseButtonPress:
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   246
    case QEvent::MouseMove:
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   247
    case QEvent::MouseButtonRelease:
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   248
        result = QGestureRecognizer::Ignore;
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   249
        break;
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   250
    default:
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   251
        result = QGestureRecognizer::Ignore;
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   252
        break;
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diff changeset
   253
    }
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    return result;
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}
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void QPinchGestureRecognizer::reset(QGesture *state)
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{
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    QPinchGesture *pinch = static_cast<QPinchGesture *>(state);
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    QPinchGesturePrivate *d = pinch->d_func();
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    d->totalChangeFlags = d->changeFlags = 0;
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   263
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   264
    d->startCenterPoint = d->lastCenterPoint = d->centerPoint = QPointF();
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    d->totalScaleFactor = d->lastScaleFactor = d->scaleFactor = 0;
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    d->totalRotationAngle = d->lastRotationAngle = d->rotationAngle = 0;
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   267
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    d->isNewSequence = true;
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    d->startPosition[0] = d->startPosition[1] = QPointF();
0
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    QGestureRecognizer::reset(state);
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}
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3
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//
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// QSwipeGestureRecognizer
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//
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QSwipeGestureRecognizer::QSwipeGestureRecognizer()
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{
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}
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QGesture *QSwipeGestureRecognizer::create(QObject *target)
0
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{
3
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   284
    if (target && target->isWidgetType()) {
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        static_cast<QWidget *>(target)->setAttribute(Qt::WA_AcceptTouchEvents);
0
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    }
3
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    return new QSwipeGesture;
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}
0
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   289
3
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   290
QGestureRecognizer::Result QSwipeGestureRecognizer::recognize(QGesture *state,
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                                                              QObject *,
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   292
                                                              QEvent *event)
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   293
{
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   294
    QSwipeGesture *q = static_cast<QSwipeGesture *>(state);
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    QSwipeGesturePrivate *d = q->d_func();
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   296
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   297
    const QTouchEvent *ev = static_cast<const QTouchEvent *>(event);
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   298
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   299
    QGestureRecognizer::Result result;
0
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    switch (event->type()) {
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   302
    case QEvent::TouchBegin: {
3
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   303
        d->speed = 1;
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        d->time = QTime::currentTime();
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   305
        d->started = true;
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   306
        result = QGestureRecognizer::MayBeGesture;
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   307
        break;
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   308
    }
0
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   309
    case QEvent::TouchEnd: {
3
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   310
        if (q->state() != Qt::NoGesture) {
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   311
            result = QGestureRecognizer::FinishGesture;
0
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        } else {
3
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   313
            result = QGestureRecognizer::CancelGesture;
0
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   314
        }
3
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   315
        break;
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   316
    }
0
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   317
    case QEvent::TouchUpdate: {
3
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   318
        if (!d->started)
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            result = QGestureRecognizer::CancelGesture;
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   320
        else if (ev->touchPoints().size() == 3) {
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   321
            QTouchEvent::TouchPoint p1 = ev->touchPoints().at(0);
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   322
            QTouchEvent::TouchPoint p2 = ev->touchPoints().at(1);
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   323
            QTouchEvent::TouchPoint p3 = ev->touchPoints().at(2);
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   324
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   325
            if (d->lastPositions[0].isNull()) {
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   326
                d->lastPositions[0] = p1.startScreenPos().toPoint();
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   327
                d->lastPositions[1] = p2.startScreenPos().toPoint();
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   328
                d->lastPositions[2] = p3.startScreenPos().toPoint();
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   329
            }
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   330
            d->hotSpot = p1.screenPos();
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   331
            d->isHotSpotSet = true;
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   332
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   333
            int xDistance = (p1.screenPos().x() - d->lastPositions[0].x() +
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diff changeset
   334
                             p2.screenPos().x() - d->lastPositions[1].x() +
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diff changeset
   335
                             p3.screenPos().x() - d->lastPositions[2].x()) / 3;
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   336
            int yDistance = (p1.screenPos().y() - d->lastPositions[0].y() +
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diff changeset
   337
                             p2.screenPos().y() - d->lastPositions[1].y() +
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diff changeset
   338
                             p3.screenPos().y() - d->lastPositions[2].y()) / 3;
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diff changeset
   339
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diff changeset
   340
            const int distance = xDistance >= yDistance ? xDistance : yDistance;
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diff changeset
   341
            int elapsedTime = d->time.msecsTo(QTime::currentTime());
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diff changeset
   342
            if (!elapsedTime)
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diff changeset
   343
                elapsedTime = 1;
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diff changeset
   344
            d->speed = 0.9 * d->speed + distance / elapsedTime;
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diff changeset
   345
            d->time = QTime::currentTime();
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diff changeset
   346
            d->swipeAngle = QLineF(p1.startScreenPos(), p1.screenPos()).angle();
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diff changeset
   347
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diff changeset
   348
            static const int MoveThreshold = 50;
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diff changeset
   349
            if (xDistance > MoveThreshold || yDistance > MoveThreshold) {
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diff changeset
   350
                // measure the distance to check if the direction changed
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diff changeset
   351
                d->lastPositions[0] = p1.screenPos().toPoint();
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diff changeset
   352
                d->lastPositions[1] = p2.screenPos().toPoint();
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diff changeset
   353
                d->lastPositions[2] = p3.screenPos().toPoint();
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diff changeset
   354
                QSwipeGesture::SwipeDirection horizontal =
41300fa6a67c Revision: 201003
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diff changeset
   355
                        xDistance > 0 ? QSwipeGesture::Right : QSwipeGesture::Left;
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diff changeset
   356
                QSwipeGesture::SwipeDirection vertical =
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diff changeset
   357
                        yDistance > 0 ? QSwipeGesture::Down : QSwipeGesture::Up;
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diff changeset
   358
                if (d->verticalDirection == QSwipeGesture::NoDirection)
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diff changeset
   359
                    d->verticalDirection = vertical;
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diff changeset
   360
                if (d->horizontalDirection == QSwipeGesture::NoDirection)
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diff changeset
   361
                    d->horizontalDirection = horizontal;
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diff changeset
   362
                if (d->verticalDirection != vertical || d->horizontalDirection != horizontal) {
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diff changeset
   363
                    // the user has changed the direction!
41300fa6a67c Revision: 201003
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diff changeset
   364
                    result = QGestureRecognizer::CancelGesture;
0
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diff changeset
   365
                }
3
41300fa6a67c Revision: 201003
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diff changeset
   366
                result = QGestureRecognizer::TriggerGesture;
0
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   367
            } else {
3
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   368
                if (q->state() != Qt::NoGesture)
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   369
                    result = QGestureRecognizer::TriggerGesture;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   370
                else
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   371
                    result = QGestureRecognizer::MayBeGesture;
0
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   372
            }
3
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   373
        } else if (ev->touchPoints().size() > 3) {
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   374
            result = QGestureRecognizer::CancelGesture;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   375
        } else { // less than 3 touch points
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   376
            if (d->started && (ev->touchPointStates() & Qt::TouchPointPressed))
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   377
                result = QGestureRecognizer::CancelGesture;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   378
            else if (d->started)
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   379
                result = QGestureRecognizer::Ignore;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   380
            else
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   381
                result = QGestureRecognizer::MayBeGesture;
0
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   382
        }
3
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   383
        break;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   384
    }
0
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   385
    case QEvent::MouseButtonPress:
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   386
    case QEvent::MouseMove:
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   387
    case QEvent::MouseButtonRelease:
3
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   388
        result = QGestureRecognizer::Ignore;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   389
        break;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   390
    default:
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   391
        result = QGestureRecognizer::Ignore;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   392
        break;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   393
    }
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   394
    return result;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   395
}
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   396
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   397
void QSwipeGestureRecognizer::reset(QGesture *state)
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   398
{
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   399
    QSwipeGesture *q = static_cast<QSwipeGesture *>(state);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   400
    QSwipeGesturePrivate *d = q->d_func();
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   401
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   402
    d->verticalDirection = d->horizontalDirection = QSwipeGesture::NoDirection;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   403
    d->swipeAngle = 0;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   404
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   405
    d->lastPositions[0] = d->lastPositions[1] = d->lastPositions[2] = QPoint();
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   406
    d->started = false;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   407
    d->speed = 0;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   408
    d->time = QTime();
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   409
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   410
    QGestureRecognizer::reset(state);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   411
}
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   412
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   413
//
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   414
// QTapGestureRecognizer
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   415
//
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   416
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   417
QTapGestureRecognizer::QTapGestureRecognizer()
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   418
{
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   419
}
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   420
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   421
QGesture *QTapGestureRecognizer::create(QObject *target)
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   422
{
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   423
    if (target && target->isWidgetType()) {
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   424
        static_cast<QWidget *>(target)->setAttribute(Qt::WA_AcceptTouchEvents);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   425
    }
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   426
    return new QTapGesture;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   427
}
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   428
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   429
QGestureRecognizer::Result QTapGestureRecognizer::recognize(QGesture *state,
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   430
                                                            QObject *,
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   431
                                                            QEvent *event)
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   432
{
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   433
    QTapGesture *q = static_cast<QTapGesture *>(state);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   434
    QTapGesturePrivate *d = q->d_func();
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   435
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   436
    const QTouchEvent *ev = static_cast<const QTouchEvent *>(event);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   437
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   438
    QGestureRecognizer::Result result = QGestureRecognizer::CancelGesture;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   439
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   440
    switch (event->type()) {
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   441
    case QEvent::TouchBegin: {
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   442
        d->position = ev->touchPoints().at(0).pos();
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   443
        result = QGestureRecognizer::TriggerGesture;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   444
        break;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   445
    }
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   446
    case QEvent::TouchUpdate:
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   447
    case QEvent::TouchEnd: {
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   448
        if (q->state() != Qt::NoGesture && ev->touchPoints().size() == 1) {
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   449
            QTouchEvent::TouchPoint p = ev->touchPoints().at(0);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   450
            QPoint delta = p.pos().toPoint() - p.startPos().toPoint();
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   451
            enum { TapRadius = 40 };
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   452
            if (delta.manhattanLength() <= TapRadius) {
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   453
                if (event->type() == QEvent::TouchEnd)
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   454
                    result = QGestureRecognizer::FinishGesture;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   455
                else
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   456
                    result = QGestureRecognizer::TriggerGesture;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   457
            }
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   458
        }
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   459
        break;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   460
    }
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   461
    case QEvent::MouseButtonPress:
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   462
    case QEvent::MouseMove:
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   463
    case QEvent::MouseButtonRelease:
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   464
        result = QGestureRecognizer::Ignore;
0
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   465
        break;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   466
    default:
3
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   467
        result = QGestureRecognizer::Ignore;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   468
        break;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   469
    }
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   470
    return result;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   471
}
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   472
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   473
void QTapGestureRecognizer::reset(QGesture *state)
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   474
{
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   475
    QTapGesture *q = static_cast<QTapGesture *>(state);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   476
    QTapGesturePrivate *d = q->d_func();
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   477
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   478
    d->position = QPointF();
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   479
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   480
    QGestureRecognizer::reset(state);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   481
}
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   482
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   483
//
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   484
// QTapAndHoldGestureRecognizer
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   485
//
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   486
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   487
QTapAndHoldGestureRecognizer::QTapAndHoldGestureRecognizer()
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   488
{
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   489
}
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   490
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   491
QGesture *QTapAndHoldGestureRecognizer::create(QObject *target)
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   492
{
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   493
    if (target && target->isWidgetType()) {
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   494
        static_cast<QWidget *>(target)->setAttribute(Qt::WA_AcceptTouchEvents);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   495
    }
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   496
    return new QTapAndHoldGesture;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   497
}
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   498
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   499
QGestureRecognizer::Result
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   500
QTapAndHoldGestureRecognizer::recognize(QGesture *state, QObject *object,
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   501
                                        QEvent *event)
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   502
{
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   503
    QTapAndHoldGesture *q = static_cast<QTapAndHoldGesture *>(state);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   504
    QTapAndHoldGesturePrivate *d = q->d_func();
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   505
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   506
    if (object == state && event->type() == QEvent::Timer) {
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   507
        q->killTimer(d->timerId);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   508
        d->timerId = 0;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   509
        return QGestureRecognizer::Ignore | QGestureRecognizer::ConsumeEventHint;
0
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   510
    }
3
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   511
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   512
    const QTouchEvent *ev = static_cast<const QTouchEvent *>(event);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   513
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   514
    QGestureRecognizer::Result result = QGestureRecognizer::CancelGesture;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   515
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   516
    enum { TimerInterval = 2000 };
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   517
    enum { TapRadius = 40 };
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   518
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   519
    switch (event->type()) {
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   520
    case QEvent::TouchBegin:
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   521
        d->position = ev->touchPoints().at(0).pos();
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   522
        if (d->timerId)
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   523
            q->killTimer(d->timerId);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   524
        d->timerId = q->startTimer(TimerInterval);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   525
        result = QGestureRecognizer::TriggerGesture;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   526
        break;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   527
    case QEvent::TouchEnd:
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   528
        if (d->timerId)
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   529
            result = QGestureRecognizer::CancelGesture;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   530
        else
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   531
            result = QGestureRecognizer::FinishGesture;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   532
        break;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   533
    case QEvent::TouchUpdate:
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   534
        if (q->state() != Qt::NoGesture && ev->touchPoints().size() == 1) {
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   535
            QTouchEvent::TouchPoint p = ev->touchPoints().at(0);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   536
            QPoint delta = p.pos().toPoint() - p.startPos().toPoint();
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   537
            if (delta.manhattanLength() <= TapRadius)
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   538
                result = QGestureRecognizer::TriggerGesture;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   539
        }
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   540
        break;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   541
    case QEvent::MouseButtonPress:
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   542
    case QEvent::MouseMove:
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   543
    case QEvent::MouseButtonRelease:
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   544
        result = QGestureRecognizer::Ignore;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   545
        break;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   546
    default:
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   547
        result = QGestureRecognizer::Ignore;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   548
        break;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   549
    }
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   550
    return result;
0
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   551
}
3
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   552
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   553
void QTapAndHoldGestureRecognizer::reset(QGesture *state)
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   554
{
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   555
    QTapAndHoldGesture *q = static_cast<QTapAndHoldGesture *>(state);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   556
    QTapAndHoldGesturePrivate *d = q->d_func();
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   557
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   558
    d->position = QPointF();
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   559
    if (d->timerId)
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   560
        q->killTimer(d->timerId);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   561
    d->timerId = 0;
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   562
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   563
    QGestureRecognizer::reset(state);
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   564
}
0
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   565
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   566
QT_END_NAMESPACE