Long live Qt 4.5!

1 files changed, 145 insertions, 0 deletions

diff --git a/examples/qws/mousecalibration/calibration.cpp b/examples/qws/mousecalibration/calibration.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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]
+