freedvmodgui.cpp

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// Copyright (C) 2019 Edouard Griffiths, F4EXB                                   //
//                                                                               //
// This program is free software; you can redistribute it and/or modify          //
// it under the terms of the GNU General Public License as published by          //
// the Free Software Foundation as version 3 of the License, or                  //
// (at your option) any later version.                                           //
//                                                                               //
// This program is distributed in the hope that it will be useful,               //
// but WITHOUT ANY WARRANTY; without even the implied warranty of                //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
// GNU General Public License V3 for more details.                               //
//                                                                               //
// You should have received a copy of the GNU General Public License             //
// along with this program. If not, see <http://www.gnu.org/licenses/>.          //

#include <QDockWidget>
#include <QMainWindow>
#include <QFileDialog>
#include <QTime>
#include <QDebug>

#include "freedvmodgui.h"

#include "device/deviceuiset.h"
#include "dsp/spectrumvis.h"
#include "plugin/pluginapi.h"
#include "util/simpleserializer.h"
#include "util/db.h"
#include "dsp/dspengine.h"
#include "dsp/dspcommands.h"
#include "gui/crightclickenabler.h"
#include "gui/audioselectdialog.h"
#include "gui/basicchannelsettingsdialog.h"
#include "mainwindow.h"
#include "ui_freedvmodgui.h"

FreeDVModGUI* FreeDVModGUI::create(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampleSource *channelTx)
{
    FreeDVModGUI* gui = new FreeDVModGUI(pluginAPI, deviceUISet, channelTx);
    return gui;
}

void FreeDVModGUI::destroy()
{
    delete this;
}

void FreeDVModGUI::setName(const QString& name)
{
    setObjectName(name);
}

QString FreeDVModGUI::getName() const
{
    return objectName();
}

qint64 FreeDVModGUI::getCenterFrequency() const {
    return m_channelMarker.getCenterFrequency();
}

void FreeDVModGUI::setCenterFrequency(qint64 centerFrequency)
{
    m_channelMarker.setCenterFrequency(centerFrequency);
    m_settings.m_inputFrequencyOffset = m_channelMarker.getCenterFrequency();
    applySettings();
}

void FreeDVModGUI::resetToDefaults()
{
    m_settings.resetToDefaults();
}

QByteArray FreeDVModGUI::serialize() const
{
    return m_settings.serialize();
}

bool FreeDVModGUI::deserialize(const QByteArray& data)
{
    if(m_settings.deserialize(data))
    {
        qDebug("FreeDVModGUI::deserialize");
        displaySettings();
        applyBandwidths(5 - ui->spanLog2->value(), true); // does applySettings(true)
        return true;
    }
    else
    {
        m_settings.resetToDefaults();
        displaySettings();
        applyBandwidths(5 - ui->spanLog2->value(), true); // does applySettings(true)
        return false;
    }
}

bool FreeDVModGUI::handleMessage(const Message& message)
{
    if (FreeDVMod::MsgReportFileSourceStreamData::match(message))
    {
        m_recordSampleRate = ((FreeDVMod::MsgReportFileSourceStreamData&)message).getSampleRate();
        m_recordLength = ((FreeDVMod::MsgReportFileSourceStreamData&)message).getRecordLength();
        m_samplesCount = 0;
        updateWithStreamData();
        return true;
    }
    else if (FreeDVMod::MsgReportFileSourceStreamTiming::match(message))
    {
        m_samplesCount = ((FreeDVMod::MsgReportFileSourceStreamTiming&)message).getSamplesCount();
        updateWithStreamTime();
        return true;
    }
    else if (DSPConfigureAudio::match(message))
    {
        qDebug("FreeDVModGUI::handleMessage: DSPConfigureAudio: %d", m_freeDVMod->getModemSampleRate());
        applyBandwidths(5 - ui->spanLog2->value()); // will update spectrum details with new sample rate
        return true;
    }
    else if (FreeDVMod::MsgConfigureFreeDVMod::match(message))
    {
        const FreeDVMod::MsgConfigureFreeDVMod& cfg = (FreeDVMod::MsgConfigureFreeDVMod&) message;
        m_settings = cfg.getSettings();
        blockApplySettings(true);
        displaySettings();
        blockApplySettings(false);
        return true;
    }
    else if (CWKeyer::MsgConfigureCWKeyer::match(message))
    {
        const CWKeyer::MsgConfigureCWKeyer& cfg = (CWKeyer::MsgConfigureCWKeyer&) message;
        ui->cwKeyerGUI->setSettings(cfg.getSettings());
        ui->cwKeyerGUI->displaySettings();
        return true;
    }
    else
    {
        return false;
    }
}

void FreeDVModGUI::channelMarkerChangedByCursor()
{
    ui->deltaFrequency->setValue(m_channelMarker.getCenterFrequency());
    m_settings.m_inputFrequencyOffset = m_channelMarker.getCenterFrequency();
    applySettings();
}

void FreeDVModGUI::channelMarkerUpdate()
{
    m_settings.m_rgbColor = m_channelMarker.getColor().rgb();
    displaySettings();
    applySettings();
}

void FreeDVModGUI::handleSourceMessages()
{
    Message* message;

    while ((message = getInputMessageQueue()->pop()) != 0)
    {
        if (handleMessage(*message))
        {
            delete message;
        }
    }
}

void FreeDVModGUI::on_deltaFrequency_changed(qint64 value)
{
    m_channelMarker.setCenterFrequency(value);
    m_settings.m_inputFrequencyOffset = m_channelMarker.getCenterFrequency();
    applySettings();
}

void FreeDVModGUI::on_spanLog2_valueChanged(int value)
{
    if ((value < 0) || (value > 4)) {
        return;
    }

    applyBandwidths(5 - value);
}

void FreeDVModGUI::on_gaugeInput_toggled(bool checked)
{
    m_settings.m_gaugeInputElseModem = checked;
    applySettings();
}

void FreeDVModGUI::on_toneFrequency_valueChanged(int value)
{
    ui->toneFrequencyText->setText(QString("%1k").arg(value / 100.0, 0, 'f', 2));
    m_settings.m_toneFrequency = value * 10.0;
    applySettings();
}

void FreeDVModGUI::on_volume_valueChanged(int value)
{
    ui->volumeText->setText(QString("%1").arg(value / 10.0, 0, 'f', 1));
    m_settings.m_volumeFactor = value / 10.0;
    applySettings();
}

void FreeDVModGUI::on_audioMute_toggled(bool checked)
{
    m_settings.m_audioMute = checked;
    applySettings();
}

void FreeDVModGUI::on_freeDVMode_currentIndexChanged(int index)
{
    m_settings.m_freeDVMode = (FreeDVModSettings::FreeDVMode) index;
    m_channelMarker.setBandwidth(FreeDVModSettings::getHiCutoff(m_settings.m_freeDVMode) * 2);
    m_channelMarker.setLowCutoff(FreeDVModSettings::getLowCutoff(m_settings.m_freeDVMode));
    applySettings();
}

void FreeDVModGUI::on_playLoop_toggled(bool checked)
{
    m_settings.m_playLoop = checked;
    applySettings();
}

void FreeDVModGUI::on_play_toggled(bool checked)
{
    ui->tone->setEnabled(!checked); // release other source inputs
    ui->morseKeyer->setEnabled(!checked);
    ui->mic->setEnabled(!checked);
    m_settings.m_modAFInput = checked ? FreeDVModSettings::FreeDVModInputFile : FreeDVModSettings::FreeDVModInputNone;
    applySettings();
    ui->navTimeSlider->setEnabled(!checked);
    m_enableNavTime = !checked;
}

void FreeDVModGUI::on_tone_toggled(bool checked)
{
    ui->play->setEnabled(!checked); // release other source inputs
    ui->morseKeyer->setEnabled(!checked);
    ui->mic->setEnabled(!checked);
    m_settings.m_modAFInput = checked ? FreeDVModSettings::FreeDVModInputTone : FreeDVModSettings::FreeDVModInputNone;
    applySettings();
}

void FreeDVModGUI::on_morseKeyer_toggled(bool checked)
{
    ui->play->setEnabled(!checked); // release other source inputs
    ui->tone->setEnabled(!checked); // release other source inputs
    ui->mic->setEnabled(!checked);
    m_settings.m_modAFInput = checked ? FreeDVModSettings::FreeDVModInputCWTone : FreeDVModSettings::FreeDVModInputNone;
    applySettings();
}

void FreeDVModGUI::on_mic_toggled(bool checked)
{
    ui->play->setEnabled(!checked); // release other source inputs
    ui->morseKeyer->setEnabled(!checked);
    ui->tone->setEnabled(!checked); // release other source inputs
    m_settings.m_modAFInput = checked ? FreeDVModSettings::FreeDVModInputAudio : FreeDVModSettings::FreeDVModInputNone;
    applySettings();
}

void FreeDVModGUI::on_navTimeSlider_valueChanged(int value)
{
    if (m_enableNavTime && ((value >= 0) && (value <= 100)))
    {
        int t_sec = (m_recordLength * value) / 100;
        QTime t(0, 0, 0, 0);
        t = t.addSecs(t_sec);

        FreeDVMod::MsgConfigureFileSourceSeek* message = FreeDVMod::MsgConfigureFileSourceSeek::create(value);
        m_freeDVMod->getInputMessageQueue()->push(message);
    }
}

void FreeDVModGUI::on_showFileDialog_clicked(bool checked)
{
    (void) checked;
    QString fileName = QFileDialog::getOpenFileName(this,
        tr("Open raw audio file"), ".", tr("Raw audio Files (*.raw)"), 0, QFileDialog::DontUseNativeDialog);

    if (fileName != "")
    {
        m_fileName = fileName;
        ui->recordFileText->setText(m_fileName);
        ui->play->setEnabled(true);
        configureFileName();
    }
}

void FreeDVModGUI::configureFileName()
{
    qDebug() << "FileSourceGui::configureFileName: " << m_fileName.toStdString().c_str();
    FreeDVMod::MsgConfigureFileSourceName* message = FreeDVMod::MsgConfigureFileSourceName::create(m_fileName);
    m_freeDVMod->getInputMessageQueue()->push(message);
}

void FreeDVModGUI::onWidgetRolled(QWidget* widget, bool rollDown)
{
    (void) widget;
    (void) rollDown;
}

void FreeDVModGUI::onMenuDialogCalled(const QPoint &p)
{
    if (m_contextMenuType == ContextMenuChannelSettings)
    {
        BasicChannelSettingsDialog dialog(&m_channelMarker, this);
        dialog.setUseReverseAPI(m_settings.m_useReverseAPI);
        dialog.setReverseAPIAddress(m_settings.m_reverseAPIAddress);
        dialog.setReverseAPIPort(m_settings.m_reverseAPIPort);
        dialog.setReverseAPIDeviceIndex(m_settings.m_reverseAPIDeviceIndex);
        dialog.setReverseAPIChannelIndex(m_settings.m_reverseAPIChannelIndex);

        dialog.move(p);
        dialog.exec();

        m_settings.m_inputFrequencyOffset = m_channelMarker.getCenterFrequency();
        m_settings.m_rgbColor = m_channelMarker.getColor().rgb();
        m_settings.m_title = m_channelMarker.getTitle();
        m_settings.m_useReverseAPI = dialog.useReverseAPI();
        m_settings.m_reverseAPIAddress = dialog.getReverseAPIAddress();
        m_settings.m_reverseAPIPort = dialog.getReverseAPIPort();
        m_settings.m_reverseAPIDeviceIndex = dialog.getReverseAPIDeviceIndex();
        m_settings.m_reverseAPIChannelIndex = dialog.getReverseAPIChannelIndex();

        setWindowTitle(m_settings.m_title);
        setTitleColor(m_settings.m_rgbColor);

        applySettings();
    }

    resetContextMenuType();
}

FreeDVModGUI::FreeDVModGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampleSource *channelTx, QWidget* parent) :
    RollupWidget(parent),
    ui(new Ui::FreeDVModGUI),
    m_pluginAPI(pluginAPI),
    m_deviceUISet(deviceUISet),
    m_channelMarker(this),
    m_doApplySettings(true),
    m_spectrumRate(6000),
    m_recordLength(0),
    m_recordSampleRate(48000),
    m_samplesCount(0),
    m_tickCount(0),
    m_enableNavTime(false)
{
    ui->setupUi(this);
    setAttribute(Qt::WA_DeleteOnClose, true);
    connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
    connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

    m_spectrumVis = new SpectrumVis(SDR_TX_SCALEF, ui->glSpectrum);
    m_freeDVMod = (FreeDVMod*) channelTx;
    m_freeDVMod->setSpectrumSampleSink(m_spectrumVis);
    m_freeDVMod->setMessageQueueToGUI(getInputMessageQueue());

    resetToDefaults();

    ui->glSpectrum->setCenterFrequency(m_spectrumRate/2);
    ui->glSpectrum->setSampleRate(m_spectrumRate);
    ui->glSpectrum->setDisplayWaterfall(true);
    ui->glSpectrum->setDisplayMaxHold(true);
    ui->glSpectrum->setSsbSpectrum(true);
    ui->glSpectrum->connectTimer(MainWindow::getInstance()->getMasterTimer());

    connect(&MainWindow::getInstance()->getMasterTimer(), SIGNAL(timeout()), this, SLOT(tick()));

    CRightClickEnabler *audioMuteRightClickEnabler = new CRightClickEnabler(ui->mic);
    connect(audioMuteRightClickEnabler, SIGNAL(rightClick(const QPoint &)), this, SLOT(audioSelect()));

    ui->deltaFrequencyLabel->setText(QString("%1f").arg(QChar(0x94, 0x03)));
    ui->deltaFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold));
    ui->deltaFrequency->setValueRange(false, 7, -9999999, 9999999);

    m_channelMarker.setSourceOrSinkStream(false);
    m_channelMarker.setVisible(true);

    m_deviceUISet->registerTxChannelInstance(FreeDVMod::m_channelIdURI, this);
    m_deviceUISet->addChannelMarker(&m_channelMarker);
    m_deviceUISet->addRollupWidget(this);

    connect(&m_channelMarker, SIGNAL(changedByCursor()), this, SLOT(channelMarkerChangedByCursor()));

    ui->cwKeyerGUI->setCWKeyer(m_freeDVMod->getCWKeyer());
    ui->spectrumGUI->setBuddies(m_spectrumVis->getInputMessageQueue(), m_spectrumVis, ui->glSpectrum);

    m_settings.setChannelMarker(&m_channelMarker);
    m_settings.setSpectrumGUI(ui->spectrumGUI);
    m_settings.setCWKeyerGUI(ui->cwKeyerGUI);

    connect(getInputMessageQueue(), SIGNAL(messageEnqueued()), this, SLOT(handleSourceMessages()));
    connect(m_freeDVMod, SIGNAL(levelChanged(qreal, qreal, int)), ui->volumeMeter, SLOT(levelChanged(qreal, qreal, int)));

    displaySettings();
    applyBandwidths(5 - ui->spanLog2->value(), true); // does applySettings(true)
}

FreeDVModGUI::~FreeDVModGUI()
{
    m_deviceUISet->removeTxChannelInstance(this);
    delete m_freeDVMod; // TODO: check this: when the GUI closes it has to delete the modulator
    delete m_spectrumVis;
    delete ui;
}

bool FreeDVModGUI::blockApplySettings(bool block)
{
    bool ret = !m_doApplySettings;
    m_doApplySettings = !block;
    return ret;
}

void FreeDVModGUI::applySettings(bool force)
{
    if (m_doApplySettings)
    {
        FreeDVMod::MsgConfigureChannelizer *msgChan = FreeDVMod::MsgConfigureChannelizer::create(
                48000, m_settings.m_inputFrequencyOffset);
        m_freeDVMod->getInputMessageQueue()->push(msgChan);

        FreeDVMod::MsgConfigureFreeDVMod *msg = FreeDVMod::MsgConfigureFreeDVMod::create(m_settings, force);
        m_freeDVMod->getInputMessageQueue()->push(msg);
    }
}

void FreeDVModGUI::applyBandwidths(int spanLog2, bool force)
{
    displayBandwidths(spanLog2);
    m_settings.m_spanLog2 = spanLog2;
    applySettings(force);
}

void FreeDVModGUI::displayBandwidths(int spanLog2)
{
    m_spectrumRate = m_freeDVMod->getModemSampleRate() / (1<<spanLog2);
    int bwMax = m_freeDVMod->getModemSampleRate() / (100*(1<<spanLog2));

    qDebug() << "FreeDVModGUI::displayBandwidths:"
            << " spanLog2: " << spanLog2
            << " m_spectrumRate: " << m_spectrumRate
            << " bwMax: " << bwMax;

    QString spanStr = QString::number(bwMax/10.0, 'f', 1);

    ui->spanText->setText(tr("%1k").arg(spanStr));
    ui->glSpectrum->setCenterFrequency(m_spectrumRate/2);
    ui->glSpectrum->setSampleRate(m_spectrumRate);
    ui->glSpectrum->setSsbSpectrum(true);
    ui->glSpectrum->setLsbDisplay(false);
}

void FreeDVModGUI::displaySettings()
{
    m_channelMarker.blockSignals(true);
    m_channelMarker.setCenterFrequency(m_settings.m_inputFrequencyOffset);
    m_channelMarker.setTitle(m_settings.m_title);
    m_channelMarker.setBandwidth(FreeDVModSettings::getHiCutoff(m_settings.m_freeDVMode) * 2);
    m_channelMarker.setLowCutoff(FreeDVModSettings::getLowCutoff(m_settings.m_freeDVMode));
    m_channelMarker.setSidebands(ChannelMarker::usb);
    m_channelMarker.blockSignals(false);
    m_channelMarker.setColor(m_settings.m_rgbColor);

    setTitleColor(m_settings.m_rgbColor);
    setWindowTitle(m_channelMarker.getTitle());

    blockApplySettings(true);

    ui->freeDVMode->setCurrentIndex((int) m_settings.m_freeDVMode);
    ui->audioMute->setChecked(m_settings.m_audioMute);
    ui->playLoop->setChecked(m_settings.m_playLoop);

    // Prevent uncontrolled triggering of applyBandwidths
    ui->spanLog2->blockSignals(true);
    ui->spanLog2->setValue(5 - m_settings.m_spanLog2);
    displayBandwidths(m_settings.m_spanLog2);
    ui->spanLog2->blockSignals(false);

    ui->gaugeInput->setChecked(m_settings.m_gaugeInputElseModem);

    // The only one of the four signals triggering applyBandwidths will trigger it once only with all other values
    // set correctly and therefore validate the settings and apply them to dependent widgets

    ui->deltaFrequency->setValue(m_settings.m_inputFrequencyOffset);

    ui->toneFrequency->setValue(roundf(m_settings.m_toneFrequency / 10.0));
    ui->toneFrequencyText->setText(QString("%1k").arg(m_settings.m_toneFrequency / 1000.0, 0, 'f', 2));

    ui->volume->setValue(m_settings.m_volumeFactor * 10.0);
    ui->volumeText->setText(QString("%1").arg(m_settings.m_volumeFactor, 0, 'f', 1));

    ui->tone->setEnabled((m_settings.m_modAFInput == FreeDVModSettings::FreeDVModInputAF::FreeDVModInputTone)
            || (m_settings.m_modAFInput == FreeDVModSettings::FreeDVModInputAF::FreeDVModInputNone));
    ui->mic->setEnabled((m_settings.m_modAFInput == FreeDVModSettings::FreeDVModInputAF::FreeDVModInputAudio)
            || (m_settings.m_modAFInput == FreeDVModSettings::FreeDVModInputAF::FreeDVModInputNone));
    ui->play->setEnabled((m_settings.m_modAFInput == FreeDVModSettings::FreeDVModInputAF::FreeDVModInputFile)
            || (m_settings.m_modAFInput == FreeDVModSettings::FreeDVModInputAF::FreeDVModInputNone));
    ui->morseKeyer->setEnabled((m_settings.m_modAFInput == FreeDVModSettings::FreeDVModInputAF::FreeDVModInputCWTone)
            || (m_settings.m_modAFInput == FreeDVModSettings::FreeDVModInputAF::FreeDVModInputNone));

    ui->tone->setChecked(m_settings.m_modAFInput == FreeDVModSettings::FreeDVModInputAF::FreeDVModInputTone);
    ui->mic->setChecked(m_settings.m_modAFInput == FreeDVModSettings::FreeDVModInputAF::FreeDVModInputAudio);
    ui->play->setChecked(m_settings.m_modAFInput == FreeDVModSettings::FreeDVModInputAF::FreeDVModInputFile);
    ui->morseKeyer->setChecked(m_settings.m_modAFInput == FreeDVModSettings::FreeDVModInputAF::FreeDVModInputCWTone);

    blockApplySettings(false);
}

void FreeDVModGUI::leaveEvent(QEvent*)
{
    m_channelMarker.setHighlighted(false);
}

void FreeDVModGUI::enterEvent(QEvent*)
{
    m_channelMarker.setHighlighted(true);
}

void FreeDVModGUI::audioSelect()
{
    qDebug("FreeDVModGUI::audioSelect");
    AudioSelectDialog audioSelect(DSPEngine::instance()->getAudioDeviceManager(), m_settings.m_audioDeviceName, true); // true for input
    audioSelect.exec();

    if (audioSelect.m_selected)
    {
        m_settings.m_audioDeviceName = audioSelect.m_audioDeviceName;
        applySettings();
    }
}

void FreeDVModGUI::tick()
{
    double powDb = CalcDb::dbPower(m_freeDVMod->getMagSq());
    m_channelPowerDbAvg(powDb);
    ui->channelPower->setText(tr("%1 dB").arg(m_channelPowerDbAvg.asDouble(), 0, 'f', 1));

    if (((++m_tickCount & 0xf) == 0) && (m_settings.m_modAFInput == FreeDVModSettings::FreeDVModInputFile))
    {
        FreeDVMod::MsgConfigureFileSourceStreamTiming* message = FreeDVMod::MsgConfigureFileSourceStreamTiming::create();
        m_freeDVMod->getInputMessageQueue()->push(message);
    }
}

void FreeDVModGUI::updateWithStreamData()
{
    QTime recordLength(0, 0, 0, 0);
    recordLength = recordLength.addSecs(m_recordLength);
    QString s_time = recordLength.toString("HH:mm:ss");
    ui->recordLengthText->setText(s_time);
    updateWithStreamTime();
}

void FreeDVModGUI::updateWithStreamTime()
{
    int t_sec = 0;
    int t_msec = 0;

    if (m_recordSampleRate > 0)
    {
        t_msec = ((m_samplesCount * 1000) / m_recordSampleRate) % 1000;
        t_sec = m_samplesCount / m_recordSampleRate;
    }

    QTime t(0, 0, 0, 0);
    t = t.addSecs(t_sec);
    t = t.addMSecs(t_msec);
    QString s_timems = t.toString("HH:mm:ss.zzz");
    QString s_time = t.toString("HH:mm:ss");
    ui->relTimeText->setText(s_timems);

    if (!m_enableNavTime)
    {
        float posRatio = (float) t_sec / (float) m_recordLength;
        ui->navTimeSlider->setValue((int) (posRatio * 100.0));
    }
}