974c210835
- Renamed LICENSE.LGPL to LICENSE.LGPLv21 - Added LICENSE.LGPLv3 - Removed LICENSE.GPL Change-Id: Iec3406e3eb3f133be549092015cefe33d259a3f2 Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>
92 lines
3.8 KiB
C++
92 lines
3.8 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
|
|
** Contact: http://www.qt-project.org/legal
|
|
**
|
|
** This file is part of the test suite of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL21$
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and Digia. For licensing terms and
|
|
** conditions see http://qt.digia.com/licensing. For further information
|
|
** use the contact form at http://qt.digia.com/contact-us.
|
|
**
|
|
** 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 or version 3 as published by the Free
|
|
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
** following information to ensure the GNU Lesser General Public License
|
|
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** In addition, as a special exception, Digia gives you certain additional
|
|
** rights. These rights are described in the Digia Qt LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include "mousepangesturerecognizer.h"
|
|
|
|
#include <QEvent>
|
|
#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);
|
|
if (event->type() == QEvent::TouchBegin) {
|
|
// ignore the following mousepress event
|
|
g->setProperty("ignoreMousePress", QVariant::fromValue<bool>(true));
|
|
} else if (event->type() == QEvent::TouchEnd) {
|
|
g->setProperty("ignoreMousePress", QVariant::fromValue<bool>(false));
|
|
}
|
|
QMouseEvent *me = static_cast<QMouseEvent *>(event);
|
|
if (event->type() == QEvent::MouseButtonPress) {
|
|
if (g->property("ignoreMousePress").toBool())
|
|
return QGestureRecognizer::Ignore;
|
|
g->setHotSpot(me->globalPos());
|
|
g->setProperty("startPos", me->globalPos());
|
|
g->setProperty("pressed", QVariant::fromValue<bool>(true));
|
|
return QGestureRecognizer::TriggerGesture | QGestureRecognizer::ConsumeEventHint;
|
|
} else if (event->type() == QEvent::MouseMove) {
|
|
if (g->property("pressed").toBool()) {
|
|
QPoint offset = me->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) {
|
|
if (g->property("pressed").toBool())
|
|
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));
|
|
g->setProperty("ignoreMousePress", QVariant::fromValue<bool>(false));
|
|
QGestureRecognizer::reset(state);
|
|
}
|