qt5base-lts/tests/manual/qtabletevent/event_compression/mousestatwidget.cpp

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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the test suite module 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.
**
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** 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:
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****************************************************************************/
#include "mousestatwidget.h"
#include <QTabletEvent>
#include <QPainter>
#include <QTextOption>
#include <QTest>
MouseStatWidget::MouseStatWidget(bool acceptTabletEvent):acceptTabletEvent(acceptTabletEvent),
receivedMouseEventCount(0),
receivedMouseEventCountToPaint(0),
receivedTabletEventCount(0),
receivedTabletEventCountToPaint(0)
{
startTimer(1000);
}
void MouseStatWidget::tabletEvent(QTabletEvent *event)
{
++receivedTabletEventCount;
if (acceptTabletEvent)
event->accept();
else
event->ignore();
// make sure the event loop is slow
QTest::qSleep(15);
}
void MouseStatWidget::mouseMoveEvent(QMouseEvent *)
{
++receivedMouseEventCount;
}
void MouseStatWidget::timerEvent(QTimerEvent *)
{
receivedMouseEventCountToPaint = receivedMouseEventCount;
receivedTabletEventCountToPaint = receivedTabletEventCount;
receivedMouseEventCount = 0;
receivedTabletEventCount = 0;
update();
}
void MouseStatWidget::paintEvent(QPaintEvent *)
{
QPainter painter(this);
painter.setPen(Qt::black);
painter.drawRect(rect());
QStringList text;
text << ((acceptTabletEvent) ? " - tablet events accepted - " : " - tablet events ignored - ");
text << QString("Number of tablet events received in the last second: %1").arg(QString::number(receivedTabletEventCountToPaint));
text << QString("Number of mouse events received in the last second: %1").arg(QString::number(receivedMouseEventCountToPaint));
QTextOption textOption(Qt::AlignCenter);
textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
painter.drawText(rect(),
text.join("\n"),
textOption);
}