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/****************************************************************************
**
** Copyright (C) 2013 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 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, 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.
**
** 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QApplication>
#include <QDebug>
#include <QMouseEvent>
#include <QTabletEvent>
#include <QMainWindow>
#include <QMenuBar>
#include <QMenu>
#include <QAction>
#include <QVector>
#include <QPainter>
#include <QCursor>
enum TabletPointType {
TabletButtonPress,
TabletButtonRelease,
TabletMove,
TabletDraw
};
struct TabletPoint
{
TabletPoint(const QPoint &p = QPoint(), TabletPointType t = TabletMove) : pos(p), type(t) {}
QPoint pos;
TabletPointType type;
};
class EventReportWidget : public QWidget
{
Q_OBJECT
public:
EventReportWidget();
public slots:
void clearPoints() { m_points.clear(); update(); }
protected:
void mouseDoubleClickEvent(QMouseEvent *event) { outputMouseEvent(event); }
void mouseMoveEvent(QMouseEvent *event) { outputMouseEvent(event); }
void mousePressEvent(QMouseEvent *event) { outputMouseEvent(event); }
void mouseReleaseEvent(QMouseEvent *event) { outputMouseEvent(event); }
void tabletEvent(QTabletEvent *);
void paintEvent(QPaintEvent *);
private:
void outputMouseEvent(QMouseEvent *event);
bool m_lastIsMouseMove;
bool m_lastIsTabletMove;
QVector<TabletPoint> m_points;
};
EventReportWidget::EventReportWidget()
: m_lastIsMouseMove(false)
, m_lastIsTabletMove(false)
{ }
void EventReportWidget::paintEvent(QPaintEvent *)
{
QPainter p(this);
const QRect geom = QRect(QPoint(0, 0), size());
p.fillRect(geom, Qt::white);
p.drawRect(QRect(geom.topLeft(), geom.bottomRight() - QPoint(1,1)));
foreach (const TabletPoint &t, m_points) {
if (geom.contains(t.pos)) {
QPainterPath pp;
pp.addEllipse(t.pos, 5, 5);
switch (t.type) {
case TabletButtonPress:
p.fillPath(pp, Qt::black);
break;
case TabletButtonRelease:
p.fillPath(pp, Qt::red);
break;
case TabletMove:
p.drawPath(pp);
break;
case TabletDraw:
p.fillPath(pp, Qt::blue);
break;
}
}
}
}
void EventReportWidget::tabletEvent(QTabletEvent *event)
{
QWidget::tabletEvent(event);
QString type;
switch (event->type()) {
case QEvent::TabletEnterProximity:
m_lastIsTabletMove = false;
type = QString::fromLatin1("TabletEnterProximity");
break;
case QEvent::TabletLeaveProximity:
m_lastIsTabletMove = false;
type = QString::fromLatin1("TabletLeaveProximity");
break;
case QEvent::TabletMove:
if (m_lastIsTabletMove)
return;
m_lastIsTabletMove = true;
type = QString::fromLatin1("TabletMove");
m_points.push_back(TabletPoint(event->pos(), event->pressure() ? TabletDraw : TabletMove));
update();
break;
case QEvent::TabletPress:
m_lastIsTabletMove = false;
type = QString::fromLatin1("TabletPress");
m_points.push_back(TabletPoint(event->pos(), TabletButtonPress));
update();
break;
case QEvent::TabletRelease:
m_lastIsTabletMove = false;
type = QString::fromLatin1("TabletRelease");
m_points.push_back(TabletPoint(event->pos(), TabletButtonRelease));
update();
break;
default:
Q_ASSERT(false);
break;
}
qDebug() << "Tablet event, type = " << type
<< " position = " << event->pos()
<< " global position = " << event->globalPos()
<< " cursor at " << QCursor::pos();
}
void EventReportWidget::outputMouseEvent(QMouseEvent *event)
{
QString type;
switch (event->type()) {
case QEvent::MouseButtonDblClick:
m_lastIsMouseMove = false;
type = QString::fromLatin1("MouseButtonDblClick");
break;
case QEvent::MouseButtonPress:
m_lastIsMouseMove = false;
type = QString::fromLatin1("MouseButtonPress");
break;
case QEvent::MouseButtonRelease:
m_lastIsMouseMove = false;
type = QString::fromLatin1("MouseButtonRelease");
break;
case QEvent::MouseMove:
if (m_lastIsMouseMove)
return; // only show one move to keep things readable
m_lastIsMouseMove = true;
type = QString::fromLatin1("MouseMove");
break;
default:
Q_ASSERT(false);
break;
}
qDebug() << "Mouse event, type = " << type
<< " position = " << event->pos()
<< " global position = " << event->globalPos();
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QMainWindow mainWindow;
mainWindow.setWindowTitle(QString::fromLatin1("Tablet Test %1").arg(QT_VERSION_STR));
EventReportWidget *widget = new EventReportWidget;
widget->setMinimumSize(640, 480);
QMenu *fileMenu = mainWindow.menuBar()->addMenu("File");
QObject::connect(fileMenu->addAction("Clear"), SIGNAL(triggered()), widget, SLOT(clearPoints()));
QAction *quitAction = fileMenu->addAction("Quit");
QObject::connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
quitAction->setShortcut(Qt::CTRL + Qt::Key_Q);
mainWindow.setCentralWidget(widget);
mainWindow.show();
return app.exec();
}
#include "main.moc"
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