f9f395c28b
Updated version of LGPL and FDL licenseheaders. Apply release phase licenseheaders for all source files. Reviewed-by: Trust Me
108 lines
4.2 KiB
C++
108 lines
4.2 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2011 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.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
|
** GNU Lesser General Public License Usage
|
|
** 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.
|
|
**
|
|
** 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.
|
|
**
|
|
** Other Usage
|
|
** Alternatively, this file may be used in accordance with the terms and
|
|
** conditions contained in a signed written agreement between you and Nokia.
|
|
**
|
|
**
|
|
**
|
|
**
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include "mousepangesturerecognizer.h"
|
|
|
|
#include <QEvent>
|
|
#include <QVariant>
|
|
#include <QGraphicsSceneMouseEvent>
|
|
#include <QMouseEvent>
|
|
#include <QGesture>
|
|
|
|
MousePanGestureRecognizer::MousePanGestureRecognizer()
|
|
{
|
|
}
|
|
|
|
QGesture* MousePanGestureRecognizer::create(QObject *)
|
|
{
|
|
return new QPanGesture;
|
|
}
|
|
|
|
QGestureRecognizer::Result MousePanGestureRecognizer::recognize(QGesture *state, QObject *, QEvent *event)
|
|
{
|
|
QPanGesture *g = static_cast<QPanGesture *>(state);
|
|
QPoint globalPos;
|
|
switch (event->type()) {
|
|
case QEvent::GraphicsSceneMousePress:
|
|
case QEvent::GraphicsSceneMouseDoubleClick:
|
|
case QEvent::GraphicsSceneMouseMove:
|
|
case QEvent::GraphicsSceneMouseRelease:
|
|
globalPos = static_cast<QGraphicsSceneMouseEvent *>(event)->screenPos();
|
|
break;
|
|
case QEvent::MouseButtonPress:
|
|
case QEvent::MouseMove:
|
|
case QEvent::MouseButtonRelease:
|
|
globalPos = static_cast<QMouseEvent *>(event)->globalPos();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (event->type() == QEvent::MouseButtonPress || event->type() == QEvent::MouseButtonDblClick
|
|
|| event->type() == QEvent::GraphicsSceneMousePress || event->type() == QEvent::GraphicsSceneMouseDoubleClick) {
|
|
g->setHotSpot(globalPos);
|
|
g->setProperty("startPos", globalPos);
|
|
g->setProperty("pressed", QVariant::fromValue<bool>(true));
|
|
return QGestureRecognizer::TriggerGesture | QGestureRecognizer::ConsumeEventHint;
|
|
} else if (event->type() == QEvent::MouseMove || event->type() == QEvent::GraphicsSceneMouseMove) {
|
|
if (g->property("pressed").toBool()) {
|
|
QPoint offset = globalPos - g->property("startPos").toPoint();
|
|
g->setLastOffset(g->offset());
|
|
g->setOffset(QPointF(offset.x(), offset.y()));
|
|
return QGestureRecognizer::TriggerGesture | QGestureRecognizer::ConsumeEventHint;
|
|
}
|
|
return QGestureRecognizer::CancelGesture;
|
|
} else if (event->type() == QEvent::MouseButtonRelease || event->type() == QEvent::GraphicsSceneMouseRelease) {
|
|
return QGestureRecognizer::FinishGesture | QGestureRecognizer::ConsumeEventHint;
|
|
}
|
|
return QGestureRecognizer::Ignore;
|
|
}
|
|
|
|
void MousePanGestureRecognizer::reset(QGesture *state)
|
|
{
|
|
QPanGesture *g = static_cast<QPanGesture *>(state);
|
|
g->setLastOffset(QPointF());
|
|
g->setOffset(QPointF());
|
|
g->setAcceleration(0);
|
|
g->setProperty("startPos", QVariant());
|
|
g->setProperty("pressed", QVariant::fromValue<bool>(false));
|
|
QGestureRecognizer::reset(state);
|
|
}
|