diff -r 000000000000 -r 1918ee327afb tests/manual/gestures/scrollarea/mousepangesturerecognizer.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/manual/gestures/scrollarea/mousepangesturerecognizer.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,94 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the test suite 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "mousepangesturerecognizer.h" + +#include +#include +#include + +MousePanGestureRecognizer::MousePanGestureRecognizer() +{ +} + +QGesture* MousePanGestureRecognizer::createGesture(QObject *) const +{ + return new QPanGesture; +} + +QGestureRecognizer::Result MousePanGestureRecognizer::filterEvent(QGesture *state, QObject *, QEvent *event) +{ + QPanGesture *g = static_cast(state); + QMouseEvent *me = static_cast(event); + if (event->type() == QEvent::MouseButtonPress || event->type() == QEvent::MouseButtonDblClick) { + g->setHotSpot(me->globalPos()); + g->setProperty("lastPos", me->globalPos()); + g->setProperty("pressed", QVariant::fromValue(true)); + return QGestureRecognizer::GestureTriggered | QGestureRecognizer::ConsumeEventHint; + } else if (event->type() == QEvent::MouseMove) { + if (g->property("pressed").toBool()) { + QPoint pos = me->globalPos(); + QPoint lastPos = g->property("lastPos").toPoint(); + g->setLastOffset(g->offset()); + lastPos = pos - lastPos; + g->setOffset(QPointF(lastPos.x(), lastPos.y())); + g->setTotalOffset(g->totalOffset() + QPointF(lastPos.x(), lastPos.y())); + g->setProperty("lastPos", pos); + return QGestureRecognizer::GestureTriggered | QGestureRecognizer::ConsumeEventHint; + } + return QGestureRecognizer::NotGesture; + } else if (event->type() == QEvent::MouseButtonRelease) { + return QGestureRecognizer::GestureFinished | QGestureRecognizer::ConsumeEventHint; + } + return QGestureRecognizer::Ignore; +} + +void MousePanGestureRecognizer::reset(QGesture *state) +{ + QPanGesture *g = static_cast(state); + g->setTotalOffset(QPointF()); + g->setLastOffset(QPointF()); + g->setOffset(QPointF()); + g->setAcceleration(0); + g->setProperty("lastPos", QVariant()); + g->setProperty("pressed", QVariant::fromValue(false)); + QGestureRecognizer::reset(state); +}