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Diffstat (limited to 'examples/radio/radio.cpp')
-rw-r--r-- | examples/radio/radio.cpp | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/examples/radio/radio.cpp b/examples/radio/radio.cpp deleted file mode 100644 index f5e6591..0000000 --- a/examples/radio/radio.cpp +++ /dev/null @@ -1,160 +0,0 @@ -/**************************************************************************** -** -** 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 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 "radio.h" - -#include <QtWidgets> - -Radio::Radio() -{ - radio = new QRadioTuner; - connect(radio, SIGNAL(error(QRadioTuner::Error)), this, SLOT(error(QRadioTuner::Error))); - - if(radio->isBandSupported(QRadioTuner::FM)) - radio->setBand(QRadioTuner::FM); - - QWidget *window = new QWidget; - QVBoxLayout* layout = new QVBoxLayout; - QHBoxLayout* buttonBar = new QHBoxLayout; - QHBoxLayout* topBar = new QHBoxLayout; - - layout->addLayout(topBar); - - freq = new QLabel; - freq->setText(QString("%1 kHz").arg(radio->frequency()/1000)); - topBar->addWidget(freq); - connect(radio,SIGNAL(frequencyChanged(int)),this,SLOT(freqChanged(int))); - - signal = new QLabel; - if (radio->isAvailable()) - signal->setText(tr("No Signal")); - else - signal->setText(tr("No radio found")); - topBar->addWidget(signal); - connect(radio,SIGNAL(signalStrengthChanged(int)),this,SLOT(signalChanged(int))); - - volumeSlider = new QSlider(Qt::Vertical,this); - volumeSlider->setRange(0,100); - volumeSlider->setValue(50); - connect(volumeSlider,SIGNAL(valueChanged(int)),this,SLOT(updateVolume(int))); - topBar->addWidget(volumeSlider); - - layout->addLayout(buttonBar); - - searchLeft = new QPushButton; - searchLeft->setText(tr("scan Down")); - connect(searchLeft,SIGNAL(clicked()),SLOT(searchDown())); - buttonBar->addWidget(searchLeft); - - left = new QPushButton; - left->setText(tr("Freq Down")); - connect(left,SIGNAL(clicked()),SLOT(freqDown())); - buttonBar->addWidget(left); - - right = new QPushButton; - connect(right,SIGNAL(clicked()),SLOT(freqUp())); - right->setText(tr("Freq Up")); - buttonBar->addWidget(right); - - searchRight = new QPushButton; - searchRight->setText(tr("scan Up")); - connect(searchRight,SIGNAL(clicked()),SLOT(searchUp())); - buttonBar->addWidget(searchRight); - - window->setLayout(layout); - setCentralWidget(window); - window->show(); - - radio->start(); -} - -Radio::~Radio() -{ -} - -void Radio::freqUp() -{ - int f = radio->frequency(); - f = f + radio->frequencyStep(QRadioTuner::FM); - radio->setFrequency(f); -} - -void Radio::freqDown() -{ - int f = radio->frequency(); - f = f - radio->frequencyStep(QRadioTuner::FM); - radio->setFrequency(f); -} - -void Radio::searchUp() -{ - radio->searchForward(); -} - -void Radio::searchDown() -{ - radio->searchBackward(); -} - -void Radio::freqChanged(int) -{ - freq->setText(QString("%1 kHz").arg(radio->frequency()/1000)); -} - -void Radio::signalChanged(int) -{ - if(radio->signalStrength() > 25) - signal->setText(tr("Got Signal")); - else - signal->setText(tr("No Signal")); -} - -void Radio::updateVolume(int v) -{ - radio->setVolume(v); -} - -void Radio::error(QRadioTuner::Error error) -{ - const QMetaObject* metaObj = radio->metaObject(); - QMetaEnum errorEnum = metaObj->enumerator(metaObj->indexOfEnumerator("Error")); - qWarning().nospace() << "Warning: Example application received error QRadioTuner::" << errorEnum.valueToKey(error); -} - |