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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 examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "calibration.h"
+
+#include <QWSPointerCalibrationData>
+#include <QPainter>
+#include <QFile>
+#include <QTimer>
+#include <QApplication>
+#include <QDesktopWidget>
+#include <QMouseEvent>
+#include <QScreen>
+#include <QWSServer>
+
+//! [0]
+Calibration::Calibration()
+{
+ QRect desktop = QApplication::desktop()->geometry();
+ desktop.moveTo(QPoint(0, 0));
+ setGeometry(desktop);
+
+ setFocusPolicy(Qt::StrongFocus);
+ setFocus();
+ setModal(true);
+//! [0]
+
+//! [1]
+ int width = qt_screen->deviceWidth();
+ int height = qt_screen->deviceHeight();
+
+ int dx = width / 10;
+ int dy = height / 10;
+
+ QPoint *points = data.screenPoints;
+ points[QWSPointerCalibrationData::TopLeft] = QPoint(dx, dy);
+ points[QWSPointerCalibrationData::BottomLeft] = QPoint(dx, height - dy);
+ points[QWSPointerCalibrationData::BottomRight] = QPoint(width - dx, height - dy);
+ points[QWSPointerCalibrationData::TopRight] = QPoint(width - dx, dy);
+ points[QWSPointerCalibrationData::Center] = QPoint(width / 2, height / 2);
+//! [1]
+
+//! [2]
+ pressCount = 0;
+}
+//! [2]
+
+//! [3]
+Calibration::~Calibration()
+{
+}
+//! [3]
+
+//! [4]
+int Calibration::exec()
+{
+ QWSServer::mouseHandler()->clearCalibration();
+ grabMouse();
+ activateWindow();
+ int ret = QDialog::exec();
+ releaseMouse();
+ return ret;
+}
+//! [4]
+
+//! [5]
+void Calibration::paintEvent(QPaintEvent*)
+{
+ QPainter p(this);
+ p.fillRect(rect(), Qt::white);
+
+ QPoint point = data.screenPoints[pressCount];
+
+ // Map to logical coordinates in case the screen is transformed
+ QSize screenSize(qt_screen->deviceWidth(), qt_screen->deviceHeight());
+ point = qt_screen->mapFromDevice(point, screenSize);
+
+ p.fillRect(point.x() - 6, point.y() - 1, 13, 3, Qt::black);
+ p.fillRect(point.x() - 1, point.y() - 6, 3, 13, Qt::black);
+}
+//! [5]
+
+//! [6]
+void Calibration::mouseReleaseEvent(QMouseEvent *event)
+{
+ // Map from device coordinates in case the screen is transformed
+ QSize screenSize(qt_screen->width(), qt_screen->height());
+ QPoint p = qt_screen->mapToDevice(event->pos(), screenSize);
+
+ data.devPoints[pressCount] = p;
+
+ if (++pressCount < 5)
+ repaint();
+ else
+ accept();
+}
+//! [6]
+
+//! [7]
+void Calibration::accept()
+{
+ Q_ASSERT(pressCount == 5);
+ QWSServer::mouseHandler()->calibrate(&data);
+ QDialog::accept();
+}
+//! [7]
+