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/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Qt Software Information ([email protected]) ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial Usage ** Licensees holding valid Qt Commercial licenses may use this file in ** accordance with the Qt Commercial License Agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Nokia. ** ** 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 [email protected]. ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "calibration.h" #include <QWSPointerCalibrationData> #include <QPainter> #include <QFile> #include <QTimer> #include <QApplication> #include <QDesktopWidget> #include <QMouseEvent> #include <QScreen> #include <QWSServer> Calibration::Calibration() { QRect desktop = QApplication::desktop()->geometry(); desktop.moveTo(QPoint(0, 0)); setGeometry(desktop); setFocusPolicy(Qt::StrongFocus); setFocus(); setModal(true); 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); pressCount = 0; } Calibration::~Calibration() { } int Calibration::exec() { QWSServer::mouseHandler()->clearCalibration(); grabMouse(); activateWindow(); int ret = QDialog::exec(); releaseMouse(); return ret; } 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); } 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(); } void Calibration::accept() { Q_ASSERT(pressCount == 5); QWSServer::mouseHandler()->calibrate(&data); QDialog::accept(); }
Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies) | Trademarks | Qt 4.5.1 |