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Diffstat (limited to 'examples/qws/mousecalibration/calibration.cpp')
-rw-r--r-- | examples/qws/mousecalibration/calibration.cpp | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/examples/qws/mousecalibration/calibration.cpp b/examples/qws/mousecalibration/calibration.cpp new file mode 100644 index 0000000000..c0746c9aeb --- /dev/null +++ b/examples/qws/mousecalibration/calibration.cpp @@ -0,0 +1,144 @@ +/**************************************************************************** +** +** 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] + |