qt5base-lts/tests/manual/qtabletevent/device_information/tabletwidget.cpp

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/****************************************************************************
**
** 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 module 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 "tabletwidget.h"
#include <QPainter>
#include <QApplication>
TabletWidget::TabletWidget()
{
QPalette newPalette = palette();
newPalette.setColor(QPalette::Window, Qt::white);
newPalette.setColor(QPalette::WindowText, Qt::black);
setPalette(newPalette);
qApp->installEventFilter(this);
resetAttributes();
}
bool TabletWidget::eventFilter(QObject *, QEvent *ev)
{
switch (ev->type()) {
case QEvent::TabletEnterProximity:
case QEvent::TabletLeaveProximity:
case QEvent::TabletMove:
case QEvent::TabletPress:
case QEvent::TabletRelease:
{
QTabletEvent *event = static_cast<QTabletEvent*>(ev);
mType = event->type();
mPos = event->pos();
mGPos = event->globalPos();
mHiResGlobalPos = event->hiResGlobalPos();
mDev = event->device();
mPointerType = event->pointerType();
mUnique = event->uniqueId();
mXT = event->xTilt();
mYT = event->yTilt();
mZ = event->z();
mPress = event->pressure();
mTangential = event->tangentialPressure();
mRot = event->rotation();
if (isVisible())
update();
break;
}
case QEvent::MouseMove:
{
resetAttributes();
QMouseEvent *event = static_cast<QMouseEvent*>(ev);
mType = event->type();
mPos = event->pos();
mGPos = event->globalPos();
}
default:
break;
}
return false;
}
void TabletWidget::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
QStringList eventInfo;
QString typeString("Event type: ");
switch (mType) {
case QEvent::TabletEnterProximity:
typeString += "QEvent::TabletEnterProximity";
break;
case QEvent::TabletLeaveProximity:
typeString += "QEvent::TabletLeaveProximity";
break;
case QEvent::TabletMove:
typeString += "QEvent::TabletMove";
break;
case QEvent::TabletPress:
typeString += "QEvent::TabletPress";
break;
case QEvent::TabletRelease:
typeString += "QEvent::TabletRelease";
break;
case QEvent::MouseMove:
typeString += "QEvent::MouseMove";
break;
}
eventInfo << typeString;
eventInfo << QString("Global position: %1 %2").arg(QString::number(mGPos.x()), QString::number(mGPos.y()));
eventInfo << QString("Local position: %1 %2").arg(QString::number(mPos.x()), QString::number(mPos.y()));
if (mType == QEvent::TabletEnterProximity || mType == QEvent::TabletLeaveProximity
|| mType == QEvent::TabletMove || mType == QEvent::TabletPress
|| mType == QEvent::TabletRelease) {
eventInfo << QString("Hight res global position: %1 %2").arg(QString::number(mHiResGlobalPos.x()), QString::number(mHiResGlobalPos.y()));
QString pointerType("Pointer type: ");
switch (mPointerType) {
case QTabletEvent::UnknownPointer:
pointerType += "QTabletEvent::UnknownPointer";
break;
case QTabletEvent::Pen:
pointerType += "QTabletEvent::Pen";
break;
case QTabletEvent::Cursor:
pointerType += "QTabletEvent::Cursor";
break;
case QTabletEvent::Eraser:
pointerType += "QTabletEvent::Eraser";
break;
}
eventInfo << pointerType;
QString deviceString = "Device type: ";
switch (mDev) {
case QTabletEvent::NoDevice:
deviceString += "QTabletEvent::NoDevice";
break;
case QTabletEvent::Puck:
deviceString += "QTabletEvent::Puck";
break;
case QTabletEvent::Stylus:
deviceString += "QTabletEvent::Stylus";
break;
case QTabletEvent::Airbrush:
deviceString += "QTabletEvent::Airbrush";
break;
case QTabletEvent::FourDMouse:
deviceString += "QTabletEvent::FourDMouse";
break;
case QTabletEvent::RotationStylus:
deviceString += "QTabletEvent::RotationStylus";
break;
}
eventInfo << deviceString;
eventInfo << QString("Pressure: %1").arg(QString::number(mPress));
eventInfo << QString("Tangential pressure: %1").arg(QString::number(mTangential));
eventInfo << QString("Rotation: %1").arg(QString::number(mRot));
eventInfo << QString("xTilt: %1").arg(QString::number(mXT));
eventInfo << QString("yTilt: %1").arg(QString::number(mYT));
eventInfo << QString("z: %1").arg(QString::number(mZ));
eventInfo << QString("Unique Id: %1").arg(QString::number(mUnique));
}
painter.drawText(rect(), eventInfo.join("\n"));
}
void TabletWidget::tabletEvent(QTabletEvent *event)
{
event->accept();
}