Changeset - ec156a195fe7
[Not reviewed]
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0 8 0
Hasan Yavuz ÖZDERYA - 8 years ago 2017-10-29 14:12:22
hy@ozderya.net
removed unused code
8 files changed with 0 insertions and 63 deletions:
0 comments (0 inline, 0 general)
src/channelmanager.cpp
Show inline comments
 
/*
 
  Copyright © 2017 Hasan Yavuz Özderya
 

	
 
  This file is part of serialplot.
 

	
 
  serialplot 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, either version 3 of the License, or
 
  (at your option) any later version.
 

	
 
  serialplot 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 for more details.
 

	
 
  You should have received a copy of the GNU General Public License
 
  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
 
*/
 

	
 
#include <QModelIndex>
 

	
 
#include <QtDebug>
 

	
 
#include "channelmanager.h"
 
#include "setting_defines.h"
 

	
 
ChannelManager::ChannelManager(unsigned numberOfChannels, unsigned numberOfSamples, QObject *parent) :
 
    QObject(parent),
 
    _infoModel(numberOfChannels)
 
{
 
    _numOfChannels = numberOfChannels;
 
    _numOfSamples = numberOfSamples;
 
    _paused = false;
 

	
 
    for (unsigned int i = 0; i < numberOfChannels; i++)
 
    {
 
        channelBuffers.append(new FrameBuffer(numberOfSamples));
 
    }
 

	
 
    connect(&_infoModel, &ChannelInfoModel::dataChanged,
 
            this, &ChannelManager::onChannelInfoChanged);
 
}
 

	
 
ChannelManager::~ChannelManager()
 
{
 
    for (auto buffer : channelBuffers)
 
    {
 
        delete buffer;
 
    }
 
}
 

	
 
unsigned ChannelManager::numOfChannels()
 
{
 
    return channelBuffers.size();
 
}
 

	
 
unsigned ChannelManager::numOfSamples()
 
{
 
    return _numOfSamples;
 
}
 

	
 
void ChannelManager::setNumOfChannels(unsigned number)
 
{
 
    unsigned int oldNum = channelBuffers.size();
 

	
 
    if (number > oldNum)
 
    {
 
        // add new channels
 
        for (unsigned int i = 0; i < number - oldNum; i++)
 
        {
 
            channelBuffers.append(new FrameBuffer(_numOfSamples));
 
        }
 
    }
 
    else if(number < oldNum)
 
    {
 
        // remove channels
 
        for (unsigned int i = oldNum-1; i > number-1; i--)
 
        {
 
            delete channelBuffers.takeLast();
 
        }
 
    }
 

	
 
    _numOfChannels = number;
 
    _infoModel.setNumOfChannels(number);
 

	
 
    emit numOfChannelsChanged(number);
 
}
 

	
 
void ChannelManager::setNumOfSamples(unsigned number)
 
{
 
    _numOfSamples = number;
 

	
 
    for (int ci = 0; ci < channelBuffers.size(); ci++)
 
    {
 
        channelBuffers[ci]->resize(_numOfSamples);
 
    }
 

	
 
    emit numOfSamplesChanged(number);
 
}
 

	
 
void ChannelManager::pause(bool paused)
 
{
 
    _paused = paused;
 
}
 

	
 
FrameBuffer* ChannelManager::channelBuffer(unsigned channel)
 
{
 
    return channelBuffers[channel];
 
}
 

	
 
ChannelInfoModel* ChannelManager::infoModel()
 
{
 
    return &_infoModel;
 
}
 

	
 
QString ChannelManager::channelName(unsigned channel)
 
{
 
    return _infoModel.data(_infoModel.index(channel, ChannelInfoModel::COLUMN_NAME),
 
                           Qt::DisplayRole).toString();
 
}
 

	
 
QStringList ChannelManager::channelNames()
 
{
 
    QStringList list;
 
    for (unsigned ci = 0; ci < _numOfChannels; ci++)
 
    {
 
        list << channelName(ci);
 
    }
 
    return list;
 
}
 

	
 
void ChannelManager::onChannelInfoChanged(const QModelIndex & topLeft,
 
                                          const QModelIndex & bottomRight,
 
                                          const QVector<int> & roles)
 
{
 
    int start = topLeft.row();
 
    int end = bottomRight.row();
 
    int col = topLeft.column();
 

	
 
    for (int ci = start; ci <= end; ci++)
 
    {
 
        for (auto role : roles)
 
        {
 
            switch (role)
 
            {
 
                case Qt::EditRole:
 
                    if (col == ChannelInfoModel::COLUMN_NAME)
 
                    {
 
                        emit channelNameChanged(ci, channelName(ci));
 
                    }
 
                    break;
 
                case Qt::ForegroundRole:
 
                    if (col == ChannelInfoModel::COLUMN_NAME)
 
                    {
 
                        // TODO: emit channel color changed
 
                    }
 
                    break;
 
                case Qt::CheckStateRole:
 
                    if (col == ChannelInfoModel::COLUMN_VISIBILITY)
 
                    {
 
                        // TODO: emit visibility
 
                    }
 
                    break;
 
            }
 
        }
 
        // emit channelNameChanged(i, channelName(i));
 
    }
 
}
 

	
 
void ChannelManager::addData(double* data, unsigned size)
 
{
 
    Q_ASSERT(size % _numOfChannels == 0);
 

	
 
    if (_paused) return;
 

	
 
    int n = size / _numOfChannels;
 
    for (unsigned ci = 0; ci < _numOfChannels; ci++)
 
    {
 
        channelBuffers[ci]->addSamples(&data[ci*n], n);
 
    }
 

	
 
    emit dataAdded();
 
}
 

	
 
void ChannelManager::saveSettings(QSettings* settings)
 
{
 
    _infoModel.saveSettings(settings);
 
}
 

	
 
void ChannelManager::loadSettings(QSettings* settings)
 
{
 
    _infoModel.loadSettings(settings);
 
}
src/channelmanager.h
Show inline comments
 
/*
 
  Copyright © 2017 Hasan Yavuz Özderya
 

	
 
  This file is part of serialplot.
 

	
 
  serialplot 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, either version 3 of the License, or
 
  (at your option) any later version.
 

	
 
  serialplot 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 for more details.
 

	
 
  You should have received a copy of the GNU General Public License
 
  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
 
*/
 

	
 
#ifndef CHANNELMANAGER_H
 
#define CHANNELMANAGER_H
 

	
 
#include <QObject>
 
#include <QStringList>
 
#include <QModelIndex>
 
#include <QVector>
 
#include <QSettings>
 

	
 
#include "framebuffer.h"
 
#include "channelinfomodel.h"
 

	
 
class ChannelManager : public QObject
 
{
 
    Q_OBJECT
 
public:
 
    explicit ChannelManager(unsigned numberOfChannels, unsigned numberOfSamples, QObject *parent = 0);
 
    ~ChannelManager();
 

	
 
    unsigned numOfChannels();
 
    unsigned numOfSamples();
 
    FrameBuffer* channelBuffer(unsigned channel);
 
    QString channelName(unsigned channel);
 
    /// Stores channel names into a `QSettings`
 
    void saveSettings(QSettings* settings);
 
    /// Loads channel names from a `QSettings`.
 
    void loadSettings(QSettings* settings);
 
    /// Returns a model that manages channel information (name, color etc)
 
    ChannelInfoModel* infoModel();
 
    /// Returns a list of channel names
 
    QStringList channelNames();
 

	
 
signals:
 
    void numOfChannelsChanged(unsigned value);
 
    void numOfSamplesChanged(unsigned value);
 
    void channelNameChanged(unsigned channel, QString name);
 
    void dataAdded(); ///< emitted when data added to channel man.
 

	
 
public slots:
 
    void setNumOfChannels(unsigned number);
 
    void setNumOfSamples(unsigned number);
 
    /**
 
     * Add data for all channels.
 
     *
 
     * All channels data is provided in a single array which contains equal
 
     * number of samples for all channels. Structure is as shown below:
 
     *
 
     * [CH0_SMP0, CH0_SMP1 ... CH0_SMPN, CH1_SMP0, CH1_SMP1, ... , CHN_SMPN]
 
     *
 
     * @param data samples for all channels
 
     * @param size size of `data`, must be multiple of `numOfChannels`
 
     */
 
    void addData(double* data, unsigned size);
 

	
 
    /// When paused `addData` does nothing.
 
    void pause(bool paused);
 

	
 
private:
 
    unsigned _numOfChannels;
 
    unsigned _numOfSamples;
 
    bool _paused;
 
    QList<FrameBuffer*> channelBuffers;
 
    // QStringListModel _channelNames;
 
    ChannelInfoModel _infoModel;
 

	
 
    void addChannelName(QString name); ///< appends a new channel name at the end of list
 

	
 
private slots:
 
    void onChannelInfoChanged(const QModelIndex & topLeft,
 
                              const QModelIndex & bottomRight,
 
                              const QVector<int> & roles = QVector<int> ());
 
};
 

	
 
#endif // CHANNELMANAGER_H
src/plot.cpp
Show inline comments
 
@@ -24,335 +24,305 @@
 
#include <qwt_plot_curve.h>
 
#include <math.h>
 
#include <algorithm>
 

	
 
#include "plot.h"
 
#include "utils.h"
 

	
 
static const int SYMBOL_SHOW_AT_WIDTH = 5;
 
static const int SYMBOL_SIZE_MAX = 7;
 

	
 
Plot::Plot(QWidget* parent) :
 
    QwtPlot(parent),
 
    zoomer(this->canvas(), false),
 
    sZoomer(this, &zoomer)
 
{
 
    isAutoScaled = true;
 
    symbolSize = 0;
 
    numOfSamples = 1;
 
    plotWidth = 1;
 
    showSymbols = Plot::ShowSymbolsAuto;
 

	
 
    QObject::connect(&zoomer, &Zoomer::unzoomed, this, &Plot::unzoomed);
 

	
 
    zoomer.setZoomBase();
 
    grid.attach(this);
 
    legend.attach(this);
 

	
 
    showGrid(false);
 
    darkBackground(false);
 

	
 
    snapshotOverlay = NULL;
 

	
 
    connect(&zoomer, &QwtPlotZoomer::zoomed,
 
            [this](const QRectF &rect)
 
            {
 
                onXScaleChanged();
 
            });
 

	
 
    connect(this, &QwtPlot::itemAttached,
 
            [this](QwtPlotItem *plotItem, bool on)
 
            {
 
                if (symbolSize) updateSymbols();
 
            });
 

	
 
    // init demo indicator
 
    QwtText demoText(" DEMO RUNNING ");  // looks better with spaces
 
    demoText.setColor(QColor("white"));
 
    demoText.setBackgroundBrush(Qt::darkRed);
 
    demoText.setBorderRadius(4);
 
    demoText.setRenderFlags(Qt::AlignLeft | Qt::AlignBottom);
 
    demoIndicator.setText(demoText);
 
    demoIndicator.hide();
 
    demoIndicator.attach(this);
 

	
 
    // init no channels are visible indicator
 
    QwtText noChannelText(" No Visible Channels ");
 
    noChannelText.setColor(QColor("white"));
 
    noChannelText.setBackgroundBrush(Qt::darkBlue);
 
    noChannelText.setBorderRadius(4);
 
    noChannelText.setRenderFlags(Qt::AlignHCenter | Qt::AlignVCenter);
 
    noChannelIndicator.setText(noChannelText);
 
    noChannelIndicator.hide();
 
    noChannelIndicator.attach(this);
 
}
 

	
 
Plot::~Plot()
 
{
 
    if (snapshotOverlay != NULL) delete snapshotOverlay;
 
}
 

	
 
void Plot::setYAxis(bool autoScaled, double yAxisMin, double yAxisMax)
 
{
 
    this->isAutoScaled = autoScaled;
 

	
 
    if (!autoScaled)
 
    {
 
        yMin = yAxisMin;
 
        yMax = yAxisMax;
 
    }
 

	
 
    zoomer.zoom(0);
 
    resetAxes();
 
}
 

	
 
void Plot::setXAxis(double xMin, double xMax)
 
{
 
    _xMin = xMin;
 
    _xMax = xMax;
 

	
 
    zoomer.setXLimits(xMin, xMax);
 
    zoomer.zoom(0); // unzoom
 

	
 
    // set axis
 
    // setAxisScale(QwtPlot::xBottom, xMin, xMax);
 
    replot(); // Note: if we don't replot here scale at startup isn't set correctly
 

	
 
    // reset zoom base
 
    // auto base = zoomer.zoomBase();
 
    // base.setLeft(xMin);
 
    // base.setRight(xMax);
 
    // zoomer.setZoomBase(base);
 

	
 
    onXScaleChanged();
 
}
 

	
 
void Plot::resetAxes()
 
{
 
    // reset y axis
 
    if (isAutoScaled)
 
    {
 
        setAxisAutoScale(QwtPlot::yLeft);
 
    }
 
    else
 
    {
 
        setAxisScale(QwtPlot::yLeft, yMin, yMax);
 
    }
 

	
 
    zoomer.setZoomBase();
 

	
 
    replot();
 
}
 

	
 
void Plot::unzoomed()
 
{
 
    resetAxes();
 
    onXScaleChanged();
 
}
 

	
 
void Plot::showGrid(bool show)
 
{
 
    grid.enableX(show);
 
    grid.enableY(show);
 
    replot();
 
}
 

	
 
void Plot::showMinorGrid(bool show)
 
{
 
    grid.enableXMin(show);
 
    grid.enableYMin(show);
 
    replot();
 
}
 

	
 
void Plot::showLegend(bool show)
 
{
 
    legend.setVisible(show);
 
    replot();
 
}
 

	
 
void Plot::showDemoIndicator(bool show)
 
{
 
    demoIndicator.setVisible(show);
 
    replot();
 
}
 

	
 
void Plot::showNoChannel(bool show)
 
{
 
    noChannelIndicator.setVisible(show);
 
    replot();
 
}
 

	
 
void Plot::unzoom()
 
{
 
    zoomer.zoom(0);
 
}
 

	
 
void Plot::darkBackground(bool enabled)
 
{
 
    QColor gridColor;
 
    if (enabled)
 
    {
 
        setCanvasBackground(QBrush(Qt::black));
 
        gridColor.setHsvF(0, 0, 0.25);
 
        grid.setPen(gridColor);
 
        zoomer.setRubberBandPen(QPen(Qt::white));
 
        zoomer.setTrackerPen(QPen(Qt::white));
 
        sZoomer.setPickerPen(QPen(Qt::white));
 
        legend.setTextPen(QPen(Qt::white));
 
    }
 
    else
 
    {
 
        setCanvasBackground(QBrush(Qt::white));
 
        gridColor.setHsvF(0, 0, 0.80);
 
        grid.setPen(gridColor);
 
        zoomer.setRubberBandPen(QPen(Qt::black));
 
        zoomer.setTrackerPen(QPen(Qt::black));
 
        sZoomer.setPickerPen(QPen(Qt::black));
 
        legend.setTextPen(QPen(Qt::black));
 
    }
 
    updateSymbols();
 
    replot();
 
}
 

	
 
/*
 
  Below crude drawing demostrates how color selection occurs for
 
  given channel index
 

	
 
  0°                     <--Hue Value-->                           360°
 
  |* . o . + . o . * . o . + . o . * . o . + . o . * . o . + . o . |
 

	
 
  * -> 0-3
 
  + -> 4-7
 
  o -> 8-15
 
  . -> 16-31
 

	
 
 */
 
QColor Plot::makeColor(unsigned int channelIndex)
 
{
 
    auto i = channelIndex;
 

	
 
    if (i < 4)
 
    {
 
        return QColor::fromHsv(360*i/4, 255, 230);
 
    }
 
    else
 
    {
 
        double p = floor(log2(i));
 
        double n = pow(2, p);
 
        i = i - n;
 
        return QColor::fromHsv(360*i/n + 360/pow(2,p+1), 255, 230);
 
    }
 
}
 

	
 
void Plot::flashSnapshotOverlay(bool light)
 
{
 
    if (snapshotOverlay != NULL) delete snapshotOverlay;
 

	
 
    QColor color;
 
    if(light)
 
    {
 
        color = QColor(Qt::white);
 
    }
 
    else
 
    {
 
        color = QColor(Qt::black);
 
    }
 

	
 
    snapshotOverlay = new PlotSnapshotOverlay(this->canvas(), color);
 
    connect(snapshotOverlay, &PlotSnapshotOverlay::done,
 
            [this]()
 
            {
 
                delete snapshotOverlay;
 
                snapshotOverlay = NULL;
 
            });
 
}
 

	
 
void Plot::setSymbols(ShowSymbols shown)
 
{
 
    showSymbols = shown;
 

	
 
    if (showSymbols == Plot::ShowSymbolsAuto)
 
    {
 
        calcSymbolSize();
 
    }
 
    else if (showSymbols == Plot::ShowSymbolsShow)
 
    {
 
        symbolSize = SYMBOL_SIZE_MAX;
 
    }
 
    else
 
    {
 
        symbolSize = 0;
 
    }
 

	
 
    updateSymbols();
 
    replot();
 
}
 

	
 
void Plot::onXScaleChanged()
 
{
 
    if (showSymbols == Plot::ShowSymbolsAuto)
 
    {
 
        calcSymbolSize();
 
        updateSymbols();
 
    }
 
}
 

	
 
void Plot::calcSymbolSize()
 
{
 
    auto sw = axisWidget(QwtPlot::xBottom);
 
    auto paintDist = sw->scaleDraw()->scaleMap().pDist();
 
    auto scaleDist = sw->scaleDraw()->scaleMap().sDist();
 
    auto fullScaleDist = zoomer.zoomBase().width();
 
    auto zoomRate = fullScaleDist / scaleDist;
 
    float plotWidthNumSamp = abs(numOfSamples * plotWidth / (_xMax - _xMin));
 
    float samplesInView = plotWidthNumSamp / zoomRate;
 
    int symDisPx = round(paintDist / samplesInView);
 

	
 
    if (symDisPx < SYMBOL_SHOW_AT_WIDTH)
 
    {
 
        symbolSize = 0;
 
    }
 
    else
 
    {
 
        symbolSize = std::min(SYMBOL_SIZE_MAX, symDisPx-SYMBOL_SHOW_AT_WIDTH+1);
 
    }
 
}
 

	
 
void Plot::updateSymbols()
 
{
 
    const QwtPlotItemList curves = itemList( QwtPlotItem::Rtti_PlotCurve );
 

	
 
    if (curves.size() > 0)
 
    {
 
        for (int i = 0; i < curves.size(); i++)
 
        {
 
            QwtSymbol* symbol = NULL;
 
            QwtPlotCurve* curve = static_cast<QwtPlotCurve*>(curves[i]);
 
            if (symbolSize)
 
            {
 
                symbol = new QwtSymbol(QwtSymbol::Ellipse,
 
                                       canvasBackground(),
 
                                       curve->pen(),
 
                                       QSize(symbolSize, symbolSize));
 
            }
 
            curve->setSymbol(symbol);
 
        }
 
    }
 
}
 

	
 
void Plot::resizeEvent(QResizeEvent * event)
 
{
 
    QwtPlot::resizeEvent(event);
 
    onXScaleChanged();
 
}
 

	
 
void Plot::setNumOfSamples(unsigned value)
 
{
 
    numOfSamples = value;
 
    onXScaleChanged();
 
}
 

	
 
void Plot::setPlotWidth(double width)
 
{
 
    plotWidth = width;
 
    zoomer.setHViewSize(width);
 
}
src/plot.h
Show inline comments
 
/*
 
  Copyright © 2017 Hasan Yavuz Özderya
 

	
 
  This file is part of serialplot.
 

	
 
  serialplot 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, either version 3 of the License, or
 
  (at your option) any later version.
 

	
 
  serialplot 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 for more details.
 

	
 
  You should have received a copy of the GNU General Public License
 
  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
 
*/
 

	
 
#ifndef PLOT_H
 
#define PLOT_H
 

	
 
#include <QColor>
 
#include <QList>
 
#include <QAction>
 
#include <qwt_plot.h>
 
#include <qwt_plot_grid.h>
 
#include <qwt_plot_shapeitem.h>
 
#include <qwt_plot_legenditem.h>
 
#include <qwt_plot_textlabel.h>
 

	
 
#include "zoomer.h"
 
#include "scalezoomer.h"
 
#include "plotsnapshotoverlay.h"
 

	
 
class Plot : public QwtPlot
 
{
 
    Q_OBJECT
 

	
 
    friend class PlotManager;
 

	
 
public:
 
    enum ShowSymbols
 
    {
 
        ShowSymbolsAuto,
 
        ShowSymbolsShow,
 
        ShowSymbolsHide
 
    };
 

	
 
    Plot(QWidget* parent = 0);
 
    ~Plot();
 

	
 
    static QColor makeColor(unsigned int channelIndex);
 

	
 
public slots:
 
    void showGrid(bool show = true);
 
    void showMinorGrid(bool show = true);
 
    void showLegend(bool show = true);
 
    void showDemoIndicator(bool show = true);
 
    void showNoChannel(bool show = true);
 
    void unzoom();
 
    void darkBackground(bool enabled = true);
 
    void setYAxis(bool autoScaled, double yMin = 0, double yMax = 1);
 
    void setXAxis(double xMin, double xMax);
 
    void setSymbols(ShowSymbols shown);
 

	
 
    /**
 
     * Displays an animation for snapshot.
 
     *
 
     * @param light show a light colored (white) animation or the opposite
 
     */
 
    void flashSnapshotOverlay(bool light);
 

	
 
    void setNumOfSamples(unsigned value);
 

	
 
    void setPlotWidth(double width);
 

	
 
protected:
 
    /// update the display of symbols depending on `symbolSize`
 
    void updateSymbols();
 

	
 
private:
 
    bool isAutoScaled;
 
    double yMin, yMax;
 
    double _xMin, _xMax;
 
    unsigned numOfSamples;
 
    double plotWidth;
 
    int symbolSize;
 
    Zoomer zoomer;
 
    ScaleZoomer sZoomer;
 
    QwtPlotGrid grid;
 
    PlotSnapshotOverlay* snapshotOverlay;
 
    QwtPlotLegendItem legend;
 
    QwtPlotTextLabel demoIndicator;
 
    QwtPlotTextLabel noChannelIndicator;
 
    ShowSymbols showSymbols;
 

	
 
    void resetAxes();
 
    void resizeEvent(QResizeEvent * event);
 
    void calcSymbolSize();
 

	
 
private slots:
 
    void unzoomed();
 
    void onXScaleChanged();
 
};
 

	
 
#endif // PLOT_H
src/plotmanager.cpp
Show inline comments
 
@@ -148,339 +148,332 @@ void PlotManager::onChannelInfoChanged(c
 
    }
 
}
 

	
 
void PlotManager::checkNoVisChannels()
 
{
 
    // if all channels are hidden show indicator
 
    bool allhidden = std::none_of(curves.cbegin(), curves.cend(),
 
                                  [](QwtPlotCurve* c) {return c->isVisible();});
 

	
 
    plotWidgets[0]->showNoChannel(allhidden);
 
    if (isMulti)
 
    {
 
        plotWidgets[0]->showNoChannel(allhidden);
 
        plotWidgets[0]->setVisible(true);
 
    }
 
}
 

	
 
void PlotManager::setMulti(bool enabled)
 
{
 
    if (enabled == isMulti) return;
 

	
 
    isMulti = enabled;
 

	
 
    // detach all curves
 
    for (auto curve : curves)
 
    {
 
        curve->detach();
 
    }
 

	
 
    // remove all widgets
 
    while (plotWidgets.size())
 
    {
 
        delete plotWidgets.takeLast();
 
    }
 

	
 
    // setup new layout
 
    setupLayout(isMulti);
 

	
 
    if (isMulti)
 
    {
 
        // add new widgets and attach
 
        for (auto curve : curves)
 
        {
 
            auto plot = addPlotWidget();
 
            plot->setVisible(curve->isVisible());
 
            curve->attach(plot);
 
        }
 
    }
 
    else
 
    {
 
        // add a single widget
 
        auto plot = addPlotWidget();
 

	
 
        // attach all curves
 
        for (auto curve : curves)
 
        {
 
            curve->attach(plot);
 
        }
 
    }
 

	
 
    checkNoVisChannels();
 
}
 

	
 
void PlotManager::setupLayout(bool multiPlot)
 
{
 
    // delete previous layout if it exists
 
    if (_plotArea->layout() != 0)
 
    {
 
        delete _plotArea->layout();
 
    }
 

	
 
    if (multiPlot)
 
    {
 
        // setup a scroll area
 
        scrollArea = new QScrollArea();
 
        auto scrolledPlotArea = new QWidget(scrollArea);
 
        scrollArea->setWidget(scrolledPlotArea);
 
        scrollArea->setWidgetResizable(true);
 

	
 
        _plotArea->setLayout(new QVBoxLayout());
 
        _plotArea->layout()->addWidget(scrollArea);
 
        _plotArea->layout()->setContentsMargins(0,0,0,0);
 

	
 
        layout = new QVBoxLayout(scrolledPlotArea);
 
    }
 
    else
 
    {
 
        // delete scrollArea left from multi layout
 
        if (scrollArea != NULL)
 
        {
 
            delete scrollArea;
 
            scrollArea = NULL;
 
        }
 

	
 
        layout = new QVBoxLayout(_plotArea);
 
    }
 

	
 
    layout->setContentsMargins(2,2,2,2);
 
    layout->setSpacing(1);
 
}
 

	
 
Plot* PlotManager::addPlotWidget()
 
{
 
    auto plot = new Plot();
 
    plotWidgets.append(plot);
 
    layout->addWidget(plot);
 

	
 
    plot->darkBackground(_menu->darkBackgroundAction.isChecked());
 
    plot->showGrid(_menu->showGridAction.isChecked());
 
    plot->showMinorGrid(_menu->showMinorGridAction.isChecked());
 
    plot->showLegend(_menu->showLegendAction.isChecked());
 
    plot->setSymbols(_menu->showSymbols());
 

	
 
    plot->showDemoIndicator(isDemoShown);
 
    plot->setYAxis(_autoScaled, _yMin, _yMax);
 
    plot->setNumOfSamples(_numOfSamples);
 

	
 
    plot->setPlotWidth(_plotWidth);
 
    if (_xAxisAsIndex)
 
    {
 
        plot->setXAxis(0, _numOfSamples);
 
    }
 
    else
 
    {
 
        plot->setXAxis(_xMin, _xMax);
 
    }
 

	
 
    return plot;
 
}
 

	
 
void PlotManager::addCurve(QString title, FrameBuffer* buffer)
 
{
 
    auto curve = new QwtPlotCurve(title);
 
    auto series = new FrameBufferSeries(buffer);
 
    series->setXAxis(_xAxisAsIndex, _xMin, _xMax);
 
    curve->setSamples(series);
 
    _addCurve(curve);
 
}
 

	
 
void PlotManager::addCurve(QString title, QVector<QPointF> data)
 
{
 
    auto curve = new QwtPlotCurve(title);
 
    curve->setSamples(data);
 
    _addCurve(curve);
 
}
 

	
 
void PlotManager::_addCurve(QwtPlotCurve* curve)
 
{
 
    // store and init the curve
 
    curves.append(curve);
 

	
 
    unsigned index = curves.size()-1;
 
    auto color = _infoModel->color(index);
 
    curve->setPen(color);
 

	
 
    // create the plot for the curve if we are on multi display
 
    Plot* plot;
 
    if (isMulti)
 
    {
 
        // create a new plot widget
 
        plot = addPlotWidget();
 
    }
 
    else
 
    {
 
        plot = plotWidgets[0];
 
    }
 

	
 
    // show the curve
 
    curve->attach(plot);
 
    plot->replot();
 
}
 

	
 
void PlotManager::removeCurves(unsigned number)
 
{
 
    for (unsigned i = 0; i < number; i++)
 
    {
 
        if (!curves.isEmpty())
 
        {
 
            delete curves.takeLast();
 
            if (isMulti) // delete corresponding widget as well
 
            {
 
                delete plotWidgets.takeLast();
 
            }
 
        }
 
    }
 
}
 

	
 
unsigned PlotManager::numOfCurves()
 
{
 
    return curves.size();
 
}
 

	
 
void PlotManager::setTitle(unsigned index, QString title)
 
{
 
    curves[index]->setTitle(title);
 

	
 
    plotWidget(index)->replot();
 
}
 

	
 
Plot* PlotManager::plotWidget(unsigned curveIndex)
 
{
 
    if (isMulti)
 
    {
 
        return plotWidgets[curveIndex];
 
    }
 
    else
 
    {
 
        return plotWidgets[0];
 
    }
 
}
 

	
 
void PlotManager::replot()
 
{
 
    for (auto plot : plotWidgets)
 
    {
 
        plot->replot();
 
    }
 
}
 

	
 
void PlotManager::showGrid(bool show)
 
{
 
    for (auto plot : plotWidgets)
 
    {
 
        plot->showGrid(show);
 
    }
 
}
 

	
 
void PlotManager::showMinorGrid(bool show)
 
{
 
    for (auto plot : plotWidgets)
 
    {
 
        plot->showMinorGrid(show);
 
    }
 
}
 

	
 
void PlotManager::showLegend(bool show)
 
{
 
    for (auto plot : plotWidgets)
 
    {
 
        plot->showLegend(show);
 
    }
 
}
 

	
 
void PlotManager::showDemoIndicator(bool show)
 
{
 
    isDemoShown = show;
 
    for (auto plot : plotWidgets)
 
    {
 
        plot->showDemoIndicator(show);
 
    }
 
}
 

	
 
void PlotManager::unzoom()
 
{
 
    for (auto plot : plotWidgets)
 
    {
 
        plot->unzoom();
 
    }
 
}
 

	
 
void PlotManager::darkBackground(bool enabled)
 
{
 
    for (auto plot : plotWidgets)
 
    {
 
        plot->darkBackground(enabled);
 
    }
 
}
 

	
 
void PlotManager::setSymbols(Plot::ShowSymbols shown)
 
{
 
    showSymbols = shown;
 
    for (auto plot : plotWidgets)
 
    {
 
        plot->setSymbols(shown);
 
    }
 
}
 

	
 
void PlotManager::setYAxis(bool autoScaled, double yAxisMin, double yAxisMax)
 
{
 
    _autoScaled = autoScaled;
 
    _yMin = yAxisMin;
 
    _yMax = yAxisMax;
 
    for (auto plot : plotWidgets)
 
    {
 
        plot->setYAxis(autoScaled, yAxisMin, yAxisMax);
 
    }
 
}
 

	
 
void PlotManager::setXAxis(bool asIndex, double xMin, double xMax)
 
{
 
    _xAxisAsIndex = asIndex;
 
    _xMin = xMin;
 
    _xMax = xMax;
 
    for (auto curve : curves)
 
    {
 
        // TODO: what happens when addCurve(QVector) is used?
 
        FrameBufferSeries* series = static_cast<FrameBufferSeries*>(curve->data());
 
        series->setXAxis(asIndex, xMin, xMax);
 
    }
 
    for (auto plot : plotWidgets)
 
    {
 
        if (asIndex)
 
        {
 
            plot->setXAxis(0, _numOfSamples);
 
        }
 
        else
 
        {
 
            plot->setXAxis(xMin, xMax);
 
        }
 
    }
 
    replot();
 
}
 

	
 
void PlotManager::flashSnapshotOverlay()
 
{
 
    for (auto plot : plotWidgets)
 
    {
 
        plot->flashSnapshotOverlay(_menu->darkBackgroundAction.isChecked());
 
    }
 
}
 

	
 
void PlotManager::setNumOfSamples(unsigned value)
 
{
 
    _numOfSamples = value;
 
    for (auto plot : plotWidgets)
 
    {
 
        plot->setNumOfSamples(value);
 
        if (_xAxisAsIndex) plot->setXAxis(0, value);
 
    }
 
}
 

	
 
void PlotManager::setPlotWidth(double width)
 
{
 
    _plotWidth = width;
 
    for (auto plot : plotWidgets)
 
    {
 
        plot->setPlotWidth(width);
 
    }
 
}
src/plotmanager.h
Show inline comments
 
/*
 
  Copyright © 2017 Hasan Yavuz Özderya
 

	
 
  This file is part of serialplot.
 

	
 
  serialplot 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, either version 3 of the License, or
 
  (at your option) any later version.
 

	
 
  serialplot 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 for more details.
 

	
 
  You should have received a copy of the GNU General Public License
 
  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
 
*/
 

	
 
#ifndef PLOTMANAGER_H
 
#define PLOTMANAGER_H
 

	
 
#include <QObject>
 
#include <QWidget>
 
#include <QScrollArea>
 
#include <QVBoxLayout>
 
#include <QList>
 
#include <QSettings>
 
#include <QMenu>
 

	
 
#include <qwt_plot_curve.h>
 
#include "plot.h"
 
#include "framebufferseries.h"
 
#include "channelinfomodel.h"
 
#include "plotmenu.h"
 

	
 
class PlotManager : public QObject
 
{
 
    Q_OBJECT
 

	
 
public:
 
    explicit PlotManager(QWidget* plotArea, PlotMenu* menu,
 
                         ChannelInfoModel* infoModel = NULL,
 
                         QObject *parent = 0);
 
    ~PlotManager();
 
    /// Add a new curve with title and buffer. A color is
 
    /// automatically chosen for curve.
 
    void addCurve(QString title, FrameBuffer* buffer);
 
    /// Alternative of `addCurve` for static curve data (snapshots).
 
    void addCurve(QString title, QVector<QPointF> data);
 
    /// Set the displayed title for a curve
 
    void setTitle(unsigned index, QString title);
 
    /// Removes curves from the end
 
    void removeCurves(unsigned number);
 
    /// Returns current number of curves known by plot manager
 
    unsigned numOfCurves();
 
    /// Set the current state of view
 
    void setViewSettings(const PlotViewSettings& settings);
 

	
 
public slots:
 
    /// Enable/Disable multiple plot display
 
    void setMulti(bool enabled);
 
    /// Update all plot widgets
 
    void replot();
 
    /// Enable display of a "DEMO" label on each plot
 
    void showDemoIndicator(bool show = true);
 
    /// Set the Y axis
 
    void setYAxis(bool autoScaled, double yMin = 0, double yMax = 1);
 
    /// Set the X axis
 
    void setXAxis(bool asIndex, double xMin = 0 , double xMax = 1);
 
    /// Display an animation for snapshot
 
    void flashSnapshotOverlay();
 
    /// Should be called to update zoom base
 
    void setNumOfSamples(unsigned value);
 
    /// Maximum width of X axis (limit of hscroll)
 
    void setPlotWidth(double width);
 

	
 
private:
 
    bool isMulti;
 
    QWidget* _plotArea;
 
    PlotMenu* _menu;
 
    QVBoxLayout* layout; ///< layout of the `plotArea`
 
    QScrollArea* scrollArea;
 
    QList<QwtPlotCurve*> curves;
 
    QList<Plot*> plotWidgets;
 
    Plot* emptyPlot;  ///< for displaying when all channels are hidden
 
    ChannelInfoModel* _infoModel;
 
    bool isDemoShown;
 
    bool _autoScaled;
 
    double _yMin;
 
    double _yMax;
 
    bool _xAxisAsIndex;
 
    double _xMin;
 
    double _xMax;
 
    unsigned _numOfSamples;
 
    double _plotWidth;
 
    Plot::ShowSymbols showSymbols;
 

	
 
    /// Setups the layout for multi or single plot
 
    void setupLayout(bool multiPlot);
 
    /// Inserts a new plot widget to the current layout.
 
    Plot* addPlotWidget();
 
    /// Returns the plot widget that given curve is attached to
 
    Plot* plotWidget(unsigned curveIndex);
 
    /// Common part of overloaded `addCurve` functions
 
    void _addCurve(QwtPlotCurve* curve);
 
    /// Check and make sure "no visible channels" text is shown
 
    void checkNoVisChannels();
 

	
 
private slots:
 
    void showGrid(bool show = true);
 
    void showMinorGrid(bool show = true);
 
    void showLegend(bool show = true);
 
    void unzoom();
 
    void darkBackground(bool enabled = true);
 
    void setSymbols(Plot::ShowSymbols shown);
 

	
 
    void onChannelInfoChanged(const QModelIndex & topLeft,
 
                              const QModelIndex & bottomRight,
 
                              const QVector<int> & roles = QVector<int> ());
 
};
 

	
 
#endif // PLOTMANAGER_H
src/recordpanel.cpp
Show inline comments
 
/*
 
  Copyright © 2017 Hasan Yavuz Özderya
 

	
 
  This file is part of serialplot.
 

	
 
  serialplot 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, either version 3 of the License, or
 
  (at your option) any later version.
 

	
 
  serialplot 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 for more details.
 

	
 
  You should have received a copy of the GNU General Public License
 
  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
 
*/
 

	
 
#include <QIcon>
 
#include <QFile>
 
#include <QFileInfo>
 
#include <QMessageBox>
 
#include <QFileDialog>
 
#include <QRegularExpression>
 
#include <QtDebug>
 

	
 
#include "recordpanel.h"
 
#include "ui_recordpanel.h"
 
#include "setting_defines.h"
 

	
 
RecordPanel::RecordPanel(DataRecorder* recorder, ChannelManager* channelMan, QWidget *parent) :
 
    QWidget(parent),
 
    ui(new Ui::RecordPanel),
 
    recordToolBar(tr("Record Toolbar")),
 
    recordAction(QIcon::fromTheme("media-record"), tr("Record"), this)
 
{
 
    overwriteSelected = false;
 
    _recorder = recorder;
 
    _channelMan = channelMan;
 

	
 
    ui->setupUi(this);
 

	
 
    recordToolBar.setObjectName("tbRecord");
 

	
 
    recordAction.setCheckable(true);
 
    recordToolBar.addAction(&recordAction);
 
    ui->pbRecord->setDefaultAction(&recordAction);
 

	
 
    connect(ui->pbBrowse, &QPushButton::clicked,
 
            this, &RecordPanel::selectFile);
 
    connect(&recordAction, &QAction::triggered,
 
            this, &RecordPanel::onRecord);
 

	
 
    connect(ui->cbRecordPaused, SIGNAL(toggled(bool)),
 
            this, SIGNAL(recordPausedChanged(bool)));
 

	
 
    connect(ui->cbDisableBuffering, &QCheckBox::toggled,
 
            [this](bool enabled)
 
            {
 
                _recorder->disableBuffering = enabled;
 
            });
 

	
 
    connect(ui->cbWindowsLE, &QCheckBox::toggled,
 
            [this](bool enabled)
 
            {
 
                _recorder->windowsLE = enabled;
 
            });
 

	
 
    connect(&recordAction, &QAction::toggled, ui->cbWindowsLE, &QWidget::setDisabled);
 
}
 

	
 
RecordPanel::~RecordPanel()
 
{
 
    delete ui;
 
}
 

	
 
QToolBar* RecordPanel::toolbar()
 
{
 
    return &recordToolBar;
 
}
 

	
 
bool RecordPanel::isRecording()
 
{
 
    return recordAction.isChecked();
 
}
 

	
 
bool RecordPanel::recordPaused()
 
{
 
    return ui->cbRecordPaused->isChecked();
 
}
 

	
 
bool RecordPanel::selectFile()
 
{
 
    QString fileName = QFileDialog::getSaveFileName(
 
        parentWidget(), tr("Select recording file"));
 

	
 
    if (fileName.isEmpty())
 
    {
 
        return false;
 
    }
 
    else
 
    {
 
        selectedFile = fileName;
 
        ui->lbFileName->setText(selectedFile);
 
        overwriteSelected = QFile::exists(fileName);
 
        return true;
 
    }
 
}
 

	
 
void RecordPanel::onRecord(bool start)
 
{
 
    if (!start)
 
    {
 
        stopRecording();
 
        return;
 
    }
 

	
 
    bool canceled = false;
 
    if (ui->leSeparator->text().isEmpty())
 
    {
 
        QMessageBox::critical(this, "Error",
 
                              "Column separator cannot be empty! Please select a separator.");
 
        ui->leSeparator->setFocus(Qt::OtherFocusReason);
 
        canceled = true;
 
    }
 

	
 
    // check file name
 
    if (!canceled && selectedFile.isEmpty() && !selectFile())
 
    {
 
        canceled = true;
 
    }
 

	
 
    if (!canceled && !overwriteSelected && QFile::exists(selectedFile))
 
    {
 
        if (ui->cbAutoIncrement->isChecked())
 
        {
 
            // TODO: should we increment even if user selected to replace?
 
            canceled = !incrementFileName();
 
        }
 
        else
 
        {
 
            canceled = !confirmOverwrite(selectedFile);
 
        }
 
    }
 

	
 
    if (canceled)
 
    {
 
        recordAction.setChecked(false);
 
    }
 
    else
 
    {
 
        overwriteSelected = false;
 
        startRecording();
 
    }
 
}
 

	
 
bool RecordPanel::incrementFileName(void)
 
{
 
    QFileInfo fileInfo(selectedFile);
 

	
 
    QString base = fileInfo.completeBaseName();
 
    QRegularExpression regex("(.*?)(\\d+)(?!.*\\d)(.*)");
 
    auto match = regex.match(base);
 

	
 
    if (match.hasMatch())
 
    {
 
        bool ok;
 
        int fileNum = match.captured(2).toInt(&ok);
 
        base = match.captured(1) + QString::number(fileNum + 1) + match.captured(3);
 
    }
 
    else
 
    {
 
        base += "_1";
 
    }
 

	
 
    QString suffix = fileInfo.suffix();;
 
    if (!suffix.isEmpty())
 
    {
 
        suffix = "." + suffix;
 
    }
 

	
 
    QString autoFileName = fileInfo.path() + "/" + base + suffix;
 

	
 
    // check if auto generated file name exists, ask user another name
 
    if (QFile::exists(autoFileName))
 
    {
 
        if (!confirmOverwrite(autoFileName))
 
        {
 
            return false;
 
        }
 
    }
 
    else
 
    {
 
        selectedFile = autoFileName;
 
    }
 

	
 
    ui->lbFileName->setText(selectedFile);
 
    return true;
 
}
 

	
 
bool RecordPanel::confirmOverwrite(QString fileName)
 
{
 
    // prepare message box
 
    QMessageBox mb(parentWidget());
 
    mb.setWindowTitle(tr("File Already Exists"));
 
    mb.setIcon(QMessageBox::Warning);
 
    mb.setText(tr("File (%1) already exists. How to continue?").arg(fileName));
 

	
 
    auto bCancel    = mb.addButton(QMessageBox::Cancel);
 
    auto bOverwrite = mb.addButton(tr("Overwrite"), QMessageBox::DestructiveRole);
 
    mb.addButton(tr("Select Another File"), QMessageBox::YesRole);
 

	
 
    mb.setEscapeButton(bCancel);
 

	
 
    // show message box
 
    mb.exec();
 

	
 
    if (mb.clickedButton() == bCancel)
 
    {
 
        return false;
 
    }
 
    else if (mb.clickedButton() == bOverwrite)
 
    {
 
        selectedFile = fileName;
 
        return true;
 
    }
 
    else                    // select button
 
    {
 
        return selectFile();
 
    }
 
}
 

	
 
void RecordPanel::startRecording(void)
 
{
 
    QStringList channelNames;
 
    if (ui->cbHeader->isChecked())
 
    {
 
        channelNames = _channelMan->infoModel()->channelNames();
 
    }
 
    _recorder->startRecording(selectedFile, getSeparator(), channelNames);
 
    emit recordStarted();
 
}
 

	
 
void RecordPanel::stopRecording(void)
 
{
 
    emit recordStopped();
 
    _recorder->stopRecording();
 
}
 

	
 
void RecordPanel::onPortClose()
 
{
 
    if (recordAction.isChecked() && ui->cbStopOnClose->isChecked())
 
    {
 
        stopRecording();
 
        recordAction.setChecked(false);
 
    }
 
}
 

	
 
QString RecordPanel::getSeparator() const
 
{
 
    QString sep = ui->leSeparator->text();
 
    sep.replace("\\t", "\t");
 
    return sep;
 
}
 

	
 
void RecordPanel::saveSettings(QSettings* settings)
 
{
 
    settings->beginGroup(SettingGroup_Record);
 
    settings->setValue(SG_Record_AutoIncrement, ui->cbAutoIncrement->isChecked());
 
    settings->setValue(SG_Record_RecordPaused, ui->cbRecordPaused->isChecked());
 
    settings->setValue(SG_Record_StopOnClose, ui->cbStopOnClose->isChecked());
 
    settings->setValue(SG_Record_Header, ui->cbHeader->isChecked());
 
    settings->setValue(SG_Record_DisableBuffering, ui->cbDisableBuffering->isChecked());
 
    settings->setValue(SG_Record_Separator, ui->leSeparator->text());
 
    settings->endGroup();
 
}
 

	
 
void RecordPanel::loadSettings(QSettings* settings)
src/recordpanel.h
Show inline comments
 
/*
 
  Copyright © 2017 Hasan Yavuz Özderya
 

	
 
  This file is part of serialplot.
 

	
 
  serialplot 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, either version 3 of the License, or
 
  (at your option) any later version.
 

	
 
  serialplot 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 for more details.
 

	
 
  You should have received a copy of the GNU General Public License
 
  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
 
*/
 

	
 
#ifndef RECORDPANEL_H
 
#define RECORDPANEL_H
 

	
 
#include <QWidget>
 
#include <QString>
 
#include <QToolBar>
 
#include <QAction>
 

	
 
#include "datarecorder.h"
 
#include "channelmanager.h"
 

	
 
namespace Ui {
 
class RecordPanel;
 
}
 

	
 
class RecordPanel : public QWidget
 
{
 
    Q_OBJECT
 

	
 
public:
 
    explicit RecordPanel(DataRecorder* recorder, ChannelManager* channelMan,
 
                         QWidget* parent = 0);
 
    ~RecordPanel();
 

	
 
    QToolBar* toolbar();
 

	
 
    bool isRecording();
 
    bool recordPaused();
 

	
 
    /// Stores settings into a `QSettings`
 
    void saveSettings(QSettings* settings);
 
    /// Loads settings from a `QSettings`.
 
    void loadSettings(QSettings* settings);
 

	
 
signals:
 
    void recordStarted();
 
    void recordStopped();
 
    void recordPausedChanged(bool enabled);
 

	
 
public slots:
 
    /// Must be called when port is closed
 
    void onPortClose();
 

	
 
private:
 
    Ui::RecordPanel *ui;
 
    QToolBar recordToolBar;
 
    QAction recordAction;
 
    QString selectedFile;
 
    bool overwriteSelected;
 
    DataRecorder* _recorder;
 
    ChannelManager* _channelMan;
 

	
 
    /**
 
     * @brief Increments the file name.
 
     *
 
     * If file name doesn't have a number at the end of it, a number is appended
 
     * with underscore starting from 1.
 
     *
 
     * @return false if user cancels
 
     */
 
    bool incrementFileName(void);
 

	
 
    /**
 
     * @brief Used to ask user confirmation if auto generated file
 
     * name exists.
 
     *
 
     * If user confirms overwrite, `selectedFile` is set to
 
     * `fileName`. User is also given option to select file and is
 
     * shown a file select dialog in this case.
 
     *
 
     * @param fileName auto generated file name.
 
     * @return false if user cancels
 
     */
 
    bool confirmOverwrite(QString fileName);
 

	
 
    void startRecording(void);
 
    void stopRecording(void);
 

	
 
    /// Returns separator text from ui. "\t" is converted to TAB
 
    /// character.
 
    QString getSeparator() const;
 

	
 
private slots:
 
    /**
 
     * @brief Opens up the file select dialog
 
     *
 
     * If you cancel the selection operation, currently selected file is not
 
     * changed.
 
     *
 
     * @return true if file selected, false if user cancels
 
     */
 
    bool selectFile();
 

	
 
    void onRecord(bool start);
 

	
 
};
 

	
 
#endif // RECORDPANEL_H
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