+++ /dev/null
-/****************************************************************************
- **
- ** Copyright (C) 2010 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 Mobility Components.
- **
- ** $QT_BEGIN_LICENSE:BSD$
- ** 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 "satellitedialog.h"
-
- #include <QtAlgorithms>
-
- #include <QApplication>
- #include <QPushButton>
- #include <QVBoxLayout>
- #include <QHBoxLayout>
- #include <QLabel>
- #include <QTimer>
- #include <QPainter>
- #include <QSize>
- #include <QRectF>
- #include <QSizePolicy>
- #include <QAction>
- #include <QMenuBar>
-
- #include "qgeopositioninfosource.h"
- #include "qgeosatelliteinfosource.h"
- #include "qgeopositioninfo.h"
- #include "qgeosatelliteinfo.h"
-
- class SatelliteWidget : public QWidget
- {
- public:
- SatelliteWidget(QWidget *parent,
- SatelliteDialog::Ordering ordering,
- SatelliteDialog::StrengthScaling scaling);
-
- void clearSatellites();
- void satellitesInViewUpdated(const QList<QGeoSatelliteInfo> &list);
- void satellitesInUseUpdated(const QList<QGeoSatelliteInfo> &list);
-
- QSize sizeHint() const;
-
- SatelliteDialog::Ordering ordering() const;
- void setOrdering(SatelliteDialog::Ordering ordering);
-
- SatelliteDialog::StrengthScaling strengthScaling() const;
- void setStrengthScaling(SatelliteDialog::StrengthScaling scaling);
-
- protected:
- void paintEvent(QPaintEvent *event);
-
- private:
- static const int numBars = 32;
- static const int gapWidth = 1;
- static const int barWidth = 3;
- static const int spanWidth = gapWidth + barWidth;
- static const int borderOffset = 4;
- static const int legendTextOffset = 5;
-
- int textHeight;
- int legendHeight;
-
- QColor inUseColor;
- QColor inViewColor;
-
- SatelliteDialog::Ordering m_ordering;
- SatelliteDialog::StrengthScaling m_scaling;
- int m_maximumSignalStrength;
-
- void updateSatelliteList();
- void paintSatellite(QPainter &painter, const QRect &bounds, int index);
- void paintLegend(QPainter &painter, const QRect &bounds);
-
- QList<QGeoSatelliteInfo> satellitesInView;
- QList<QGeoSatelliteInfo> satellitesInUse;
- QList<QPair<QGeoSatelliteInfo, bool> > satellites;
- };
-
- SatelliteWidget::SatelliteWidget(QWidget *parent,
- SatelliteDialog::Ordering ordering,
- SatelliteDialog::StrengthScaling scaling) : QWidget(parent),
- m_ordering(ordering),
- m_scaling(scaling)
- {
- QPainter painter(this);
- textHeight = painter.fontMetrics().height();
- legendHeight = borderOffset + textHeight + 2;
-
- inViewColor = QColor(192, 192, 255);
- inUseColor = QColor(64, 64, 255);
- }
-
- SatelliteDialog::Ordering SatelliteWidget::ordering() const
- {
- return m_ordering;
- }
-
- void SatelliteWidget::setOrdering(SatelliteDialog::Ordering ordering)
- {
- if (ordering != m_ordering) {
- m_ordering = ordering;
- updateSatelliteList();
- }
- }
-
- SatelliteDialog::StrengthScaling SatelliteWidget::strengthScaling() const
- {
- return m_scaling;
- }
-
- void SatelliteWidget::setStrengthScaling(SatelliteDialog::StrengthScaling scaling)
- {
- if (scaling != m_scaling) {
- m_scaling = scaling;
- updateSatelliteList();
- }
- }
-
- bool sortByPrn(const QGeoSatelliteInfo &s1, const QGeoSatelliteInfo &s2)
- {
- return s1.prnNumber() < s2.prnNumber();
- }
-
- bool sortBySignalStrength(const QGeoSatelliteInfo &s1, const QGeoSatelliteInfo &s2)
- {
- return s1.signalStrength() < s2.signalStrength();
- }
-
- void SatelliteWidget::clearSatellites()
- {
- satellitesInView.clear();
- satellitesInUse.clear();
- updateSatelliteList();
- }
-
- void SatelliteWidget::satellitesInViewUpdated(const QList<QGeoSatelliteInfo> &list)
- {
- satellitesInView = list;
- qSort(satellitesInView.begin(), satellitesInView.end(), sortByPrn);
- updateSatelliteList();
- }
-
- void SatelliteWidget::satellitesInUseUpdated(const QList<QGeoSatelliteInfo> &list)
- {
- satellitesInUse = list;
- qSort(satellitesInUse.begin(), satellitesInUse.end(), sortByPrn);
- updateSatelliteList();
- }
-
- bool sortPairsByPrn(const QPair<QGeoSatelliteInfo, bool> &p1, const QPair<QGeoSatelliteInfo, bool> &p2)
- {
- return sortByPrn(p1.first, p2.first);
- }
-
- bool sortPairsBySignalStrength(const QPair<QGeoSatelliteInfo, bool> &p1, const QPair<QGeoSatelliteInfo, bool> &p2)
- {
- return sortBySignalStrength(p1.first, p2.first);
- }
-
- void SatelliteWidget::updateSatelliteList()
- {
- satellites.clear();
-
- int useSize = satellitesInUse.size();
- int viewSize = satellitesInView.size();
-
- if ((useSize == 0) && (viewSize == 0)) {
- update();
- return;
- }
-
- for (int i = 0; i < useSize; ++i) {
- if (satellitesInUse.at(i).signalStrength() != 0)
- satellites << QPair<QGeoSatelliteInfo, bool>(satellitesInUse.at(i), true);
- }
-
- QList<QGeoSatelliteInfo>::iterator end = satellitesInUse.end();
-
- for (int i = 0; i < viewSize; ++i) {
- if (satellitesInView.at(i).signalStrength() == 0)
- continue;
-
- QList<QGeoSatelliteInfo>::iterator j =
- qBinaryFind(
- satellitesInUse.begin(),
- end,
- satellitesInView.at(i),
- sortByPrn
- );
-
- if (j == end) {
- satellites << QPair<QGeoSatelliteInfo, bool>(satellitesInView.at(i), false);
- }
- }
-
- int satSize = satellites.size();
-
- if (m_ordering == SatelliteDialog::OrderByPrnNumber) {
- qSort(satellites.begin(), satellites.end(), sortPairsByPrn);
- m_maximumSignalStrength = 0;
- for (int i = 0; i < satSize; ++i) {
- if (satellites.at(i).first.signalStrength() > m_maximumSignalStrength)
- m_maximumSignalStrength = satellites.at(i).first.signalStrength();
- }
-
- } else {
- qSort(satellites.begin(), satellites.end(), sortPairsBySignalStrength);
- m_maximumSignalStrength = satellites.at(satSize - 1).first.signalStrength();
- }
-
- update();
- }
-
- void SatelliteWidget::paintEvent(QPaintEvent * /*event*/)
- {
- QPainter painter(this);
- painter.setRenderHint(QPainter::Antialiasing);
-
- QRect satBounds = QRect(rect().x() + borderOffset,
- rect().y() + borderOffset,
- rect().width() - 2 * borderOffset,
- rect().height() - legendHeight - 2 * borderOffset);
-
- painter.setPen(QApplication::palette().color(QPalette::WindowText));
- painter.setBrush(QApplication::palette().color(QPalette::Base));
- painter.drawRect(satBounds);
-
- int size = satellites.size();
- for (int i = 0; i < size; ++i) {
- paintSatellite(painter, satBounds, i);
- }
-
- QRect legendBounds = QRect(rect().x() + borderOffset,
- rect().height() - legendHeight,
- rect().width() - 2 * borderOffset,
- legendHeight);
-
- paintLegend(painter, legendBounds);
- }
-
- void SatelliteWidget::paintSatellite(QPainter &painter, const QRect &bounds, int index)
- {
- int bars = numBars;
- if (m_ordering == SatelliteDialog::OrderBySignalStrength)
- bars = satellites.size();
-
- double pixelsPerUnit = (double) bounds.width() / (double)(bars * spanWidth + gapWidth);
- double spanPixels = pixelsPerUnit * spanWidth;
- double gapPixels = pixelsPerUnit * gapWidth;
- double barPixels = pixelsPerUnit * barWidth;
-
- painter.setPen(QApplication::palette().color(QPalette::WindowText));
- if (!satellites.at(index).second) {
- painter.setBrush(inViewColor);
- } else {
- painter.setBrush(inUseColor);
- }
-
- int maximum = 100;
- if (m_scaling == SatelliteDialog::ScaleToMaxAvailable) {
- maximum = m_maximumSignalStrength;
- }
-
- int i = index;
- if (m_ordering == SatelliteDialog::OrderByPrnNumber)
- i = satellites.at(index).first.prnNumber() - 1;
-
- double height = ((double) satellites.at(index).first.signalStrength() / (double) maximum) * bounds.height();
-
- QRectF r(bounds.x() + gapPixels + i * spanPixels, bounds.y() + bounds.height() - 1 - height, barPixels, height);
-
- painter.drawRect(r);
- }
-
- void SatelliteWidget::paintLegend(QPainter &painter, const QRect &bounds)
- {
- double halfWidth = (double) bounds.width() / 2.0;
-
- double keyX = bounds.x() + 1;
- double textX = keyX + legendHeight + 2 + legendTextOffset;
- double y = bounds.y() + 1;
- double keyWidth = legendHeight - 2 - borderOffset;
- double textWidth = halfWidth - legendHeight - 3 - legendTextOffset;
- double height = legendHeight - 2 - borderOffset;
-
- QRectF viewKeyRect(keyX, y, keyWidth, height);
- QRectF viewTextRect(textX, y, textWidth, height);
- QRectF useKeyRect(keyX + halfWidth, y, keyWidth, height);
- QRectF useTextRect(textX + halfWidth, y, textWidth, height);
-
- painter.setPen(QApplication::palette().color(QPalette::WindowText));
-
- painter.setBrush(inViewColor);
- painter.drawRect(viewKeyRect);
-
- painter.setBrush(inUseColor);
- painter.drawRect(useKeyRect);
-
- painter.setPen(QApplication::palette().color(QPalette::Text));
- painter.drawText(viewTextRect, Qt::AlignLeft, tr("In View"));
- painter.drawText(useTextRect, Qt::AlignLeft, tr("In Use"));
- }
-
- QSize SatelliteWidget::sizeHint() const
- {
- return QSize(parentWidget()->width(), parentWidget()->width() / 2 + legendHeight);
- }
-
- SatelliteDialog::SatelliteDialog(QWidget *parent,
- int noSatelliteTimeoutSeconds,
- ExitBehaviour exitBehaviour,
- Ordering ordering,
- StrengthScaling scaling) : QDialog(parent),
- m_noSatelliteTimeoutSeconds(noSatelliteTimeoutSeconds),
- m_exitBehaviour(exitBehaviour),
- m_ordering(ordering),
- m_scaling(scaling)
- {
- noSatelliteTimer = new QTimer(this);
- noSatelliteTimer->setInterval(m_noSatelliteTimeoutSeconds * 1000);
- noSatelliteTimer->setSingleShot(true);
-
- connect(noSatelliteTimer, SIGNAL(timeout()), this, SLOT(noSatelliteTimeout()));
-
- satelliteWidget = new SatelliteWidget(this, ordering, scaling);
-
- QLabel *titleLabel = new QLabel(tr("Satellite Signal Strength"));
- titleLabel->setAlignment(Qt::AlignCenter | Qt::AlignBottom);
-
- QVBoxLayout *mainLayout = new QVBoxLayout;
- mainLayout->addWidget(titleLabel);
- mainLayout->addWidget(satelliteWidget);
-
- #if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM) || defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6)
- QAction *switchAction = new QAction(tr("Switch"), this);
- switchAction->setSoftKeyRole(QAction::PositiveSoftKey);
-
- connect(switchAction, SIGNAL(triggered()), this, SLOT(switchButtonClicked()));
- addAction(switchAction);
-
- QAction *cancelAction = new QAction(tr("Cancel"), this);
- cancelAction->setSoftKeyRole(QAction::NegativeSoftKey);
-
- connect(cancelAction, SIGNAL(triggered()), this, SLOT(reject()));
- addAction(cancelAction);
-
- QMenuBar *menuBar = new QMenuBar(this);
- menuBar->addAction(switchAction);
- menuBar->addAction(cancelAction);
-
- #if defined(Q_OS_WINCE)
- menuBar->setDefaultAction(cancelAction);
- #endif
-
- #else
- cancelButton = new QPushButton(tr("Cancel"));
- connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()));
-
- switchButton = new QPushButton(tr("Switch"));
- connect(switchButton, SIGNAL(clicked()), this, SLOT(switchButtonClicked()));
-
- QHBoxLayout *buttonLayout = new QHBoxLayout;
- buttonLayout->addWidget(switchButton);
- buttonLayout->addStretch(1);
- buttonLayout->addWidget(cancelButton);
-
- mainLayout->addLayout(buttonLayout);
- #endif
-
- setLayout(mainLayout);
-
- /*#if defined(Q_OS_SYMBIAN)
- // workaround for QTBUG-4771
- oldTitle = windowTitle();
- connect(this, SIGNAL(finished(int)), this, SLOT(restoreWindowTitle()));
- #endif*/
-
- setWindowTitle(tr("Waiting for GPS fix"));
-
- setModal(true);
- }
-
- /*#if defined(Q_OS_SYMBIAN)
- // workaround for QTBUG-4771
- void SatelliteDialog::restoreWindowTitle()
- {
- setWindowTitle(oldTitle);
- }
- #endif*/
-
- void SatelliteDialog::connectSources(QGeoPositionInfoSource *posSource, QGeoSatelliteInfoSource *satSource)
- {
- connect(posSource, SIGNAL(positionUpdated(const QGeoPositionInfo &)),
- this, SLOT(positionUpdated(const QGeoPositionInfo &)));
-
- connect(satSource, SIGNAL(satellitesInViewUpdated(const QList<QGeoSatelliteInfo> &)),
- this, SLOT(satellitesInViewUpdated(const QList<QGeoSatelliteInfo> &)));
- connect(satSource, SIGNAL(satellitesInUseUpdated(const QList<QGeoSatelliteInfo> &)),
- this, SLOT(satellitesInUseUpdated(const QList<QGeoSatelliteInfo> &)));
- }
-
- void SatelliteDialog::switchButtonClicked()
- {
- SatelliteDialog::Ordering o = ordering();
- if (o == SatelliteDialog::OrderByPrnNumber)
- setOrdering(SatelliteDialog::OrderBySignalStrength);
- else if (o == SatelliteDialog::OrderBySignalStrength)
- setOrdering(SatelliteDialog::OrderByPrnNumber);
- }
-
- SatelliteDialog::ExitBehaviour SatelliteDialog::exitBehaviour() const
- {
- return m_exitBehaviour;
- }
-
- void SatelliteDialog::setExitBehaviour(SatelliteDialog::ExitBehaviour exitBehaviour)
- {
- m_exitBehaviour = exitBehaviour;
- }
-
- SatelliteDialog::Ordering SatelliteDialog::ordering() const
- {
- return satelliteWidget->ordering();
- }
-
- void SatelliteDialog::setOrdering(SatelliteDialog::Ordering ordering)
- {
- satelliteWidget->setOrdering(ordering);
- }
-
- SatelliteDialog::StrengthScaling SatelliteDialog::strengthScaling() const
- {
- return satelliteWidget->strengthScaling();
- }
-
- void SatelliteDialog::setStrengthScaling(SatelliteDialog::StrengthScaling scaling)
- {
- satelliteWidget->setStrengthScaling(scaling);
- }
-
- void SatelliteDialog::noSatelliteTimeout()
- {
- satelliteWidget->clearSatellites();
- }
-
- void SatelliteDialog::positionUpdated(const QGeoPositionInfo &/*pos*/)
- {
- if (m_exitBehaviour == ExitOnFixOrCancel) {
- accept();
- }
- }
-
- void SatelliteDialog::satellitesInViewUpdated(const QList<QGeoSatelliteInfo> &list)
- {
- noSatelliteTimer->stop();
- satelliteWidget->satellitesInViewUpdated(list);
- noSatelliteTimer->start();
- }
-
- void SatelliteDialog::satellitesInUseUpdated(const QList<QGeoSatelliteInfo> &list)
- {
- noSatelliteTimer->stop();
- satelliteWidget->satellitesInUseUpdated(list);
- noSatelliteTimer->start();
- }
projects / gpssportsniffer / blobdiff