Changeset - f102fddaeb9f
[Not reviewed]
Hasan Yavuz Ă–ZDERYA - 8 years ago 2017-08-16 12:19:45
hy@ozderya.net
added plot width option
9 files changed with 104 insertions and 10 deletions:
0 comments (0 inline, 0 general)
src/mainwindow.cpp
Show inline comments
 
@@ -102,171 +102,175 @@ MainWindow::MainWindow(QWidget *parent) 
 

	
 
    ui->menuView->addSeparator();
 

	
 
    QMenu* tbMenu = ui->menuView->addMenu("Toolbars");
 
    tbMenu->addAction(ui->plotToolBar->toggleViewAction());
 
    tbMenu->addAction(portControl.toolBar()->toggleViewAction());
 

	
 
    // init UI signals
 

	
 
    // Help menu signals
 
    QObject::connect(ui->actionHelpAbout, &QAction::triggered,
 
              &aboutDialog, &QWidget::show);
 

	
 
    QObject::connect(ui->actionReportBug, &QAction::triggered,
 
                     [](){QDesktopServices::openUrl(QUrl(BUG_REPORT_URL));});
 

	
 
    // File menu signals
 
    QObject::connect(ui->actionExportCsv, &QAction::triggered,
 
                     this, &MainWindow::onExportCsv);
 

	
 
    QObject::connect(ui->actionSaveSettings, &QAction::triggered,
 
                     this, &MainWindow::onSaveSettings);
 

	
 
    QObject::connect(ui->actionLoadSettings, &QAction::triggered,
 
                     this, &MainWindow::onLoadSettings);
 

	
 
    ui->actionQuit->setShortcutContext(Qt::ApplicationShortcut);
 

	
 
    QObject::connect(ui->actionQuit, &QAction::triggered,
 
                     this, &MainWindow::close);
 

	
 
    // port control signals
 
    QObject::connect(&portControl, &PortControl::portToggled,
 
                     this, &MainWindow::onPortToggled);
 

	
 
    // plot control signals
 
    connect(&plotControlPanel, &PlotControlPanel::numOfSamplesChanged,
 
            this, &MainWindow::onNumOfSamplesChanged);
 

	
 
    connect(&plotControlPanel, &PlotControlPanel::numOfSamplesChanged,
 
            plotMan, &PlotManager::setNumOfSamples);
 

	
 
    connect(&plotControlPanel, &PlotControlPanel::yScaleChanged,
 
            plotMan, &PlotManager::setYAxis);
 

	
 
    connect(&plotControlPanel, &PlotControlPanel::xScaleChanged,
 
            plotMan, &PlotManager::setXAxis);
 

	
 
    connect(&plotControlPanel, &PlotControlPanel::plotWidthChanged,
 
            plotMan, &PlotManager::setPlotWidth);
 

	
 
    QObject::connect(ui->actionClear, SIGNAL(triggered(bool)),
 
                     this, SLOT(clearPlot()));
 

	
 
    QObject::connect(snapshotMan.takeSnapshotAction(), &QAction::triggered,
 
                     plotMan, &PlotManager::flashSnapshotOverlay);
 

	
 
    // init port signals
 
    QObject::connect(&(this->serialPort), SIGNAL(error(QSerialPort::SerialPortError)),
 
                     this, SLOT(onPortError(QSerialPort::SerialPortError)));
 

	
 
    // init data format and reader
 
    QObject::connect(&channelMan, &ChannelManager::dataAdded,
 
                     plotMan, &PlotManager::replot);
 

	
 
    QObject::connect(ui->actionPause, &QAction::triggered,
 
                     &channelMan, &ChannelManager::pause);
 

	
 
    QObject::connect(&recordPanel, &RecordPanel::recordStarted,
 
                     &dataFormatPanel, &DataFormatPanel::startRecording);
 

	
 
    QObject::connect(&recordPanel, &RecordPanel::recordStopped,
 
                     &dataFormatPanel, &DataFormatPanel::stopRecording);
 

	
 
    QObject::connect(ui->actionPause, &QAction::triggered,
 
                     [this](bool enabled)
 
                     {
 
                         if (enabled && !recordPanel.recordPaused())
 
                         {
 
                             dataFormatPanel.pause(true);
 
                         }
 
                         else
 
                         {
 
                             dataFormatPanel.pause(false);
 
                         }
 
                     });
 

	
 
    QObject::connect(&recordPanel, &RecordPanel::recordPausedChanged,
 
                     [this](bool enabled)
 
                     {
 
                         if (ui->actionPause->isChecked() && enabled)
 
                         {
 
                             dataFormatPanel.pause(false);
 
                         }
 
                     });
 

	
 
    connect(&serialPort, &QIODevice::aboutToClose,
 
            &recordPanel, &RecordPanel::onPortClose);
 

	
 
    // init data arrays and plot
 
    numOfSamples = plotControlPanel.numOfSamples();
 
    unsigned numOfChannels = dataFormatPanel.numOfChannels();
 

	
 
    channelMan.setNumOfSamples(numOfSamples);
 
    channelMan.setNumOfChannels(dataFormatPanel.numOfChannels());
 

	
 
    connect(&dataFormatPanel, &DataFormatPanel::numOfChannelsChanged,
 
            &channelMan, &ChannelManager::setNumOfChannels);
 

	
 
    connect(&channelMan, &ChannelManager::numOfChannelsChanged,
 
            this, &MainWindow::onNumOfChannelsChanged);
 

	
 
    plotControlPanel.setChannelInfoModel(channelMan.infoModel());
 

	
 
    // init curve list
 
    for (unsigned int i = 0; i < numOfChannels; i++)
 
    {
 
        plotMan->addCurve(channelMan.channelName(i), channelMan.channelBuffer(i));
 
    }
 

	
 
    // init scales
 
    plotMan->setYAxis(plotControlPanel.autoScale(),
 
                      plotControlPanel.yMin(), plotControlPanel.yMax());
 
    plotMan->setXAxis(plotControlPanel.xAxisAsIndex(),
 
                      plotControlPanel.xMin(), plotControlPanel.xMax());
 
    plotMan->setNumOfSamples(numOfSamples);
 
    plotMan->setPlotWidth(plotControlPanel.plotWidth());
 

	
 
    // Init sps (sample per second) counter
 
    spsLabel.setText("0sps");
 
    spsLabel.setToolTip("samples per second (per channel)");
 
    ui->statusBar->addPermanentWidget(&spsLabel);
 
    QObject::connect(&dataFormatPanel,
 
                     &DataFormatPanel::samplesPerSecondChanged,
 
                     this, &MainWindow::onSpsChanged);
 

	
 
    // init demo
 
    QObject::connect(ui->actionDemoMode, &QAction::toggled,
 
                     this, &MainWindow::enableDemo);
 

	
 
    QObject::connect(ui->actionDemoMode, &QAction::toggled,
 
                     plotMan, &PlotManager::showDemoIndicator);
 

	
 
    // load default settings
 
    QSettings settings("serialplot", "serialplot");
 
    loadAllSettings(&settings);
 

	
 
    // ensure command panel has 1 command if none loaded
 
    if (!commandPanel.numOfCommands())
 
    {
 
        commandPanel.newCommandAction()->trigger();
 
    }
 

	
 
    // Important: This should be after newCommandAction is triggered
 
    // (above) we don't want user to be greeted with command panel on
 
    // the very first run.
 
    connect(commandPanel.newCommandAction(), &QAction::triggered, [this]()
 
            {
 
                this->ui->tabWidget->setCurrentWidget(&commandPanel);
 
                this->ui->tabWidget->showTabs();
 
            });
 
}
 

	
 
MainWindow::~MainWindow()
 
{
 
    if (serialPort.isOpen())
 
    {
 
        serialPort.close();
 
    }
 

	
 
    delete plotMan;
 

	
 
    delete ui;
 
    ui = NULL; // we check if ui is deleted in messageHandler
 
}
src/plot.cpp
Show inline comments
 
@@ -303,48 +303,53 @@ void Plot::calcSymbolSize()
 
    auto fullScaleDist = zoomer.zoomBase().width();
 
    auto zoomRate = fullScaleDist / scaleDist;
 
    float samplesInView = numOfSamples / 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)
 
{
 
    zoomer.setHViewSize(width);
 
}
src/plot.h
Show inline comments
 
@@ -28,77 +28,79 @@
 
#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;
 
    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/plotcontrolpanel.cpp
Show inline comments
 
@@ -44,96 +44,99 @@ PlotControlPanel::PlotControlPanel(QWidg
 
    QWidget(parent),
 
    ui(new Ui::PlotControlPanel),
 
    resetAct(tr("Reset"), this),
 
    resetNamesAct(tr("Reset Names"), this),
 
    resetColorsAct(tr("Reset Colors"), this),
 
    showAllAct(tr("Show All"), this),
 
    resetMenu(tr("Reset Menu"), this)
 
{
 
    ui->setupUi(this);
 

	
 
    warnNumOfSamples = true;    // TODO: load from settings
 
    _numOfSamples = ui->spNumOfSamples->value();
 

	
 
    // set limits for axis limit boxes
 
    ui->spYmin->setRange((-1) * std::numeric_limits<double>::max(),
 
                         std::numeric_limits<double>::max());
 

	
 
    ui->spYmax->setRange((-1) * std::numeric_limits<double>::max(),
 
                         std::numeric_limits<double>::max());
 

	
 
    ui->spXmin->setRange((-1) * std::numeric_limits<double>::max(),
 
                         std::numeric_limits<double>::max());
 

	
 
    ui->spXmax->setRange((-1) * std::numeric_limits<double>::max(),
 
                         std::numeric_limits<double>::max());
 

	
 
    // connect signals
 
    connect(ui->spNumOfSamples, SIGNAL(valueChanged(int)),
 
            this, SLOT(onNumOfSamples(int)));
 

	
 
    connect(ui->cbAutoScale, &QCheckBox::toggled,
 
            this, &PlotControlPanel::onAutoScaleChecked);
 

	
 
    connect(ui->spYmax, SIGNAL(valueChanged(double)),
 
            this, SLOT(onYScaleChanged()));
 

	
 
    connect(ui->spYmin, SIGNAL(valueChanged(double)),
 
            this, SLOT(onYScaleChanged()));
 

	
 
    connect(ui->cbIndex, &QCheckBox::toggled,
 
            this, &PlotControlPanel::onIndexChecked);
 

	
 
    connect(ui->spXmax, SIGNAL(valueChanged(double)),
 
            this, SLOT(onXScaleChanged()));
 

	
 
    connect(ui->spXmin, SIGNAL(valueChanged(double)),
 
            this, SLOT(onXScaleChanged()));
 

	
 
    connect(ui->spPlotWidth, SIGNAL(valueChanged(int)),
 
            this, SLOT(onPlotWidthChanged()));
 

	
 
    // init scale range preset list
 
    for (int nbits = 8; nbits <= 24; nbits++) // signed binary formats
 
    {
 
        int rmax = pow(2, nbits-1)-1;
 
        int rmin = -rmax-1;
 
        Range r = {double(rmin),  double(rmax)};
 
        ui->cbRangePresets->addItem(
 
            QString().sprintf("Signed %d bits %d to +%d", nbits, rmin, rmax),
 
            QVariant::fromValue(r));
 
    }
 
    for (int nbits = 8; nbits <= 24; nbits++) // unsigned binary formats
 
    {
 
        int rmax = pow(2, nbits)-1;
 
        ui->cbRangePresets->addItem(
 
            QString().sprintf("Unsigned %d bits %d to +%d", nbits, 0, rmax),
 
            QVariant::fromValue(Range{0, double(rmax)}));
 
    }
 
    ui->cbRangePresets->addItem("-1 to +1", QVariant::fromValue(Range{-1, +1}));
 
    ui->cbRangePresets->addItem("0 to +1", QVariant::fromValue(Range{0, +1}));
 
    ui->cbRangePresets->addItem("-100 to +100", QVariant::fromValue(Range{-100, +100}));
 
    ui->cbRangePresets->addItem("0 to +100", QVariant::fromValue(Range{0, +100}));
 

	
 
    QObject::connect(ui->cbRangePresets, SIGNAL(activated(int)),
 
                     this, SLOT(onRangeSelected()));
 

	
 
    // color selector starts disabled until a channel is selected
 
    ui->colorSelector->setColor(QColor(0,0,0,0));
 
    ui->colorSelector->setDisplayMode(color_widgets::ColorPreview::AllAlpha);
 
    ui->colorSelector->setDisabled(true);
 

	
 
    // reset button
 
    resetMenu.addAction(&resetNamesAct);
 
    resetMenu.addAction(&resetColorsAct);
 
    resetMenu.addAction(&showAllAct);
 
    resetAct.setMenu(&resetMenu);
 
    ui->tbReset->setDefaultAction(&resetAct);
 
}
 

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

	
 
unsigned PlotControlPanel::numOfSamples()
 
{
 
    return ui->spNumOfSamples->value();
 
}
 

	
 
@@ -230,106 +233,127 @@ double PlotControlPanel::yMax() const
 
double PlotControlPanel::yMin() const
 
{
 
    return ui->spYmin->value();
 
}
 

	
 
bool PlotControlPanel::xAxisAsIndex() const
 
{
 
    return ui->cbIndex->isChecked();
 
}
 

	
 
double PlotControlPanel::xMax() const
 
{
 
    return ui->spXmax->value();
 
}
 

	
 
double PlotControlPanel::xMin() const
 
{
 
    return ui->spXmin->value();
 
}
 

	
 
void PlotControlPanel::onRangeSelected()
 
{
 
    Range r = ui->cbRangePresets->currentData().value<Range>();
 
    ui->spYmin->setValue(r.rmin);
 
    ui->spYmax->setValue(r.rmax);
 
    ui->cbAutoScale->setChecked(false);
 
}
 

	
 
void PlotControlPanel::onIndexChecked(bool checked)
 
{
 
    if (checked)
 
    {
 
        ui->lXmin->setEnabled(false);
 
        ui->lXmax->setEnabled(false);
 
        ui->spXmin->setEnabled(false);
 
        ui->spXmax->setEnabled(false);
 

	
 
        emit xScaleChanged(true); // use index
 
    }
 
    else
 
    {
 
        ui->lXmin->setEnabled(true);
 
        ui->lXmax->setEnabled(true);
 
        ui->spXmin->setEnabled(true);
 
        ui->spXmax->setEnabled(true);
 

	
 
        emit xScaleChanged(false, ui->spXmin->value(), ui->spXmax->value());
 
    }
 
    emit plotWidthChanged(plotWidth());
 
}
 

	
 
void PlotControlPanel::onXScaleChanged()
 
{
 
    if (!xAxisAsIndex())
 
    {
 
        emit xScaleChanged(false, ui->spXmin->value(), ui->spXmax->value());
 
        emit plotWidthChanged(plotWidth());
 
    }
 
}
 

	
 
double PlotControlPanel::plotWidth() const
 
{
 
    double value = ui->spPlotWidth->value();
 
    if (!xAxisAsIndex())
 
    {
 
        // scale by xmin and xmax
 
        auto xmax = ui->spXmax->value();
 
        auto xmin = ui->spXmin->value();
 
        double scale = (xmax - xmin) / _numOfSamples;
 
        value *= scale;
 
    }
 
    return value;
 
}
 

	
 
void PlotControlPanel::onPlotWidthChanged()
 
{
 
    emit plotWidthChanged(plotWidth());
 
}
 

	
 
void PlotControlPanel::setChannelInfoModel(ChannelInfoModel* model)
 
{
 
    ui->tvChannelInfo->setModel(model);
 

	
 
    // channel color selector
 
    connect(ui->tvChannelInfo->selectionModel(), &QItemSelectionModel::currentRowChanged,
 
            [this](const QModelIndex &current, const QModelIndex &previous)
 
            {
 
                // TODO: duplicate with below lambda
 
                QColor color(0,0,0,0); // transparent
 

	
 
                if (current.isValid())
 
                {
 
                    ui->colorSelector->setEnabled(true);
 
                    auto model = ui->tvChannelInfo->model();
 
                    color = model->data(current, Qt::ForegroundRole).value<QColor>();
 
                }
 
                else
 
                {
 
                    ui->colorSelector->setDisabled(true);
 
                }
 

	
 
                // temporarily block signals because `setColor` emits `colorChanged`
 
                bool wasBlocked = ui->colorSelector->blockSignals(true);
 
                ui->colorSelector->setColor(color);
 
                ui->colorSelector->blockSignals(wasBlocked);
 
            });
 

	
 
    connect(ui->tvChannelInfo->selectionModel(), &QItemSelectionModel::selectionChanged,
 
            [this](const QItemSelection & selected, const QItemSelection & deselected)
 
            {
 
                if (!selected.length())
 
                {
 
                    ui->colorSelector->setDisabled(true);
 

	
 
                    // temporarily block signals because `setColor` emits `colorChanged`
 
                    bool wasBlocked = ui->colorSelector->blockSignals(true);
 
                    ui->colorSelector->setColor(QColor(0,0,0,0));
 
                    ui->colorSelector->blockSignals(wasBlocked);
 
                }
 
            });
 

	
 
    connect(ui->colorSelector, &color_widgets::ColorSelector::colorChanged,
 
            [this](QColor color)
 
            {
 
                auto index = ui->tvChannelInfo->selectionModel()->currentIndex();
 
                ui->tvChannelInfo->model()->setData(index, color, Qt::ForegroundRole);
 
            });
src/plotcontrolpanel.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 PLOTCONTROLPANEL_H
 
#define PLOTCONTROLPANEL_H
 

	
 
#include <QWidget>
 
#include <QSettings>
 
#include <QAction>
 
#include <QMenu>
 

	
 
#include "channelinfomodel.h"
 

	
 
namespace Ui {
 
class PlotControlPanel;
 
}
 

	
 
class PlotControlPanel : public QWidget
 
{
 
    Q_OBJECT
 

	
 
public:
 
    explicit PlotControlPanel(QWidget *parent = 0);
 
    ~PlotControlPanel();
 

	
 
    unsigned numOfSamples();
 
    bool   autoScale() const;
 
    double yMax() const;
 
    double yMin() const;
 
    bool   xAxisAsIndex() const;
 
    double xMax() const;
 
    double xMin() const;
 
    double plotWidth() const;
 

	
 
    void setChannelInfoModel(ChannelInfoModel* model);
 

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

	
 
signals:
 
    void numOfSamplesChanged(int value);
 
    void yScaleChanged(bool autoScaled, double yMin = 0, double yMax = 1);
 
    void xScaleChanged(bool asIndex, double xMin = 0, double xMax = 1);
 
    void plotWidthChanged(double width);
 

	
 
private:
 
    Ui::PlotControlPanel *ui;
 

	
 
    /// Holds 'number of samples' after the confirmation
 
    unsigned _numOfSamples;
 
    /// User can disable this setting in the checkbox
 
    bool warnNumOfSamples;
 

	
 
    QAction resetAct, resetNamesAct, resetColorsAct, showAllAct;
 
    QMenu resetMenu;
 

	
 
    /// Show a confirmation dialog before setting #samples to a big value
 
    bool askNSConfirmation(int value);
 

	
 
private slots:
 
    void onNumOfSamples(int value);
 
    void onAutoScaleChecked(bool checked);
 
    void onYScaleChanged();
 
    void onRangeSelected();
 
    void onIndexChecked(bool checked);
 
    void onXScaleChanged();
 
    void onPlotWidthChanged();
 
};
 

	
 
#endif // PLOTCONTROLPANEL_H
src/plotcontrolpanel.ui
Show inline comments
 
<?xml version="1.0" encoding="UTF-8"?>
 
<ui version="4.0">
 
 <class>PlotControlPanel</class>
 
 <widget class="QWidget" name="PlotControlPanel">
 
  <property name="geometry">
 
   <rect>
 
    <x>0</x>
 
    <y>0</y>
 
    <width>706</width>
 
    <height>187</height>
 
    <height>195</height>
 
   </rect>
 
  </property>
 
  <property name="windowTitle">
 
   <string>Form</string>
 
  </property>
 
  <layout class="QHBoxLayout" name="horizontalLayout">
 
   <item>
 
    <widget class="QWidget" name="widget" native="true">
 
     <property name="sizePolicy">
 
      <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
 
       <horstretch>0</horstretch>
 
       <verstretch>0</verstretch>
 
      </sizepolicy>
 
     </property>
 
     <layout class="QVBoxLayout" name="verticalLayout_2">
 
      <property name="spacing">
 
       <number>3</number>
 
      </property>
 
      <property name="leftMargin">
 
       <number>0</number>
 
      </property>
 
      <property name="topMargin">
 
       <number>0</number>
 
      </property>
 
      <property name="rightMargin">
 
       <number>0</number>
 
      </property>
 
      <property name="bottomMargin">
 
       <number>0</number>
 
      </property>
 
      <item>
 
       <widget class="QTableView" name="tvChannelInfo">
 
        <property name="sizePolicy">
 
         <sizepolicy hsizetype="MinimumExpanding" vsizetype="Expanding">
 
          <horstretch>0</horstretch>
 
          <verstretch>0</verstretch>
 
         </sizepolicy>
 
        </property>
 
        <property name="maximumSize">
 
         <size>
 
          <width>300</width>
 
          <height>170</height>
 
         </size>
 
        </property>
 
        <property name="selectionMode">
 
         <enum>QAbstractItemView::SingleSelection</enum>
 
        </property>
 
        <property name="selectionBehavior">
 
@@ -87,275 +87,319 @@
 
          </property>
 
         </widget>
 
        </item>
 
        <item>
 
         <spacer name="horizontalSpacer">
 
          <property name="orientation">
 
           <enum>Qt::Horizontal</enum>
 
          </property>
 
          <property name="sizeHint" stdset="0">
 
           <size>
 
            <width>1</width>
 
            <height>20</height>
 
           </size>
 
          </property>
 
         </spacer>
 
        </item>
 
        <item>
 
         <widget class="QToolButton" name="tbReset">
 
          <property name="text">
 
           <string>Reset</string>
 
          </property>
 
          <property name="popupMode">
 
           <enum>QToolButton::MenuButtonPopup</enum>
 
          </property>
 
          <property name="arrowType">
 
           <enum>Qt::NoArrow</enum>
 
          </property>
 
         </widget>
 
        </item>
 
       </layout>
 
      </item>
 
     </layout>
 
    </widget>
 
   </item>
 
   <item>
 
    <widget class="Line" name="line">
 
     <property name="orientation">
 
      <enum>Qt::Vertical</enum>
 
     </property>
 
    </widget>
 
   </item>
 
   <item>
 
    <layout class="QFormLayout" name="formLayout_2">
 
     <property name="fieldGrowthPolicy">
 
      <enum>QFormLayout::FieldsStayAtSizeHint</enum>
 
     </property>
 
     <item row="0" column="0">
 
      <widget class="QLabel" name="label_3">
 
       <property name="toolTip">
 
        <string/>
 
       </property>
 
       <property name="text">
 
        <string>Number Of Samples:</string>
 
        <string>Buffer Size:</string>
 
       </property>
 
      </widget>
 
     </item>
 
     <item row="0" column="1">
 
      <widget class="QSpinBox" name="spNumOfSamples">
 
       <property name="minimumSize">
 
        <size>
 
         <width>80</width>
 
         <height>0</height>
 
        </size>
 
       </property>
 
       <property name="toolTip">
 
        <string>length of X axis</string>
 
        <string>Length of acquisition as number of samples</string>
 
       </property>
 
       <property name="keyboardTracking">
 
        <bool>false</bool>
 
       </property>
 
       <property name="minimum">
 
        <number>2</number>
 
       </property>
 
       <property name="maximum">
 
        <number>1000000</number>
 
       </property>
 
       <property name="value">
 
        <number>1000</number>
 
       </property>
 
      </widget>
 
     </item>
 
     <item row="1" column="0">
 
     <item row="2" column="0">
 
      <widget class="QCheckBox" name="cbIndex">
 
       <property name="text">
 
        <string>Index as X AXis</string>
 
       </property>
 
       <property name="checked">
 
        <bool>true</bool>
 
       </property>
 
      </widget>
 
     </item>
 
     <item row="1" column="1">
 
     <item row="2" column="1">
 
      <layout class="QHBoxLayout" name="horizontalLayout_4">
 
       <item>
 
        <widget class="QLabel" name="lXmin">
 
         <property name="enabled">
 
          <bool>false</bool>
 
         </property>
 
         <property name="text">
 
          <string>Xmin</string>
 
         </property>
 
        </widget>
 
       </item>
 
       <item>
 
        <widget class="QDoubleSpinBox" name="spXmin">
 
         <property name="enabled">
 
          <bool>false</bool>
 
         </property>
 
         <property name="minimumSize">
 
          <size>
 
           <width>75</width>
 
           <height>0</height>
 
          </size>
 
         </property>
 
         <property name="maximumSize">
 
          <size>
 
           <width>75</width>
 
           <height>16777215</height>
 
          </size>
 
         </property>
 
         <property name="toolTip">
 
          <string>lower limit of Y axis</string>
 
         </property>
 
         <property name="value">
 
          <double>0.000000000000000</double>
 
         </property>
 
        </widget>
 
       </item>
 
       <item>
 
        <widget class="QLabel" name="lXmax">
 
         <property name="enabled">
 
          <bool>false</bool>
 
         </property>
 
         <property name="text">
 
          <string>Xmax</string>
 
         </property>
 
        </widget>
 
       </item>
 
       <item>
 
        <widget class="QDoubleSpinBox" name="spXmax">
 
         <property name="enabled">
 
          <bool>false</bool>
 
         </property>
 
         <property name="maximumSize">
 
          <size>
 
           <width>75</width>
 
           <height>16777215</height>
 
          </size>
 
         </property>
 
         <property name="toolTip">
 
          <string>upper limit of Y axis</string>
 
         </property>
 
         <property name="maximum">
 
          <double>1000.000000000000000</double>
 
         </property>
 
         <property name="value">
 
          <double>1000.000000000000000</double>
 
         </property>
 
        </widget>
 
       </item>
 
      </layout>
 
     </item>
 
     <item row="2" column="0">
 
     <item row="3" column="0">
 
      <widget class="QCheckBox" name="cbAutoScale">
 
       <property name="text">
 
        <string>Auto Scale Y Axis</string>
 
       </property>
 
       <property name="checked">
 
        <bool>true</bool>
 
       </property>
 
      </widget>
 
     </item>
 
     <item row="2" column="1">
 
     <item row="3" column="1">
 
      <layout class="QHBoxLayout" name="horizontalLayout_3">
 
       <item>
 
        <widget class="QLabel" name="lYmin">
 
         <property name="enabled">
 
          <bool>false</bool>
 
         </property>
 
         <property name="text">
 
          <string>Ymin</string>
 
         </property>
 
        </widget>
 
       </item>
 
       <item>
 
        <widget class="QDoubleSpinBox" name="spYmin">
 
         <property name="enabled">
 
          <bool>false</bool>
 
         </property>
 
         <property name="minimumSize">
 
          <size>
 
           <width>75</width>
 
           <height>0</height>
 
          </size>
 
         </property>
 
         <property name="maximumSize">
 
          <size>
 
           <width>75</width>
 
           <height>16777215</height>
 
          </size>
 
         </property>
 
         <property name="toolTip">
 
          <string>lower limit of Y axis</string>
 
         </property>
 
         <property name="value">
 
          <double>0.000000000000000</double>
 
         </property>
 
        </widget>
 
       </item>
 
       <item>
 
        <widget class="QLabel" name="lYmax">
 
         <property name="enabled">
 
          <bool>false</bool>
 
         </property>
 
         <property name="text">
 
          <string>Ymax</string>
 
         </property>
 
        </widget>
 
       </item>
 
       <item>
 
        <widget class="QDoubleSpinBox" name="spYmax">
 
         <property name="enabled">
 
          <bool>false</bool>
 
         </property>
 
         <property name="maximumSize">
 
          <size>
 
           <width>75</width>
 
           <height>16777215</height>
 
          </size>
 
         </property>
 
         <property name="toolTip">
 
          <string>upper limit of Y axis</string>
 
         </property>
 
         <property name="maximum">
 
          <double>1000.000000000000000</double>
 
         </property>
 
         <property name="value">
 
          <double>1000.000000000000000</double>
 
         </property>
 
        </widget>
 
       </item>
 
      </layout>
 
     </item>
 
     <item row="5" column="0">
 
     <item row="6" column="0">
 
      <widget class="QLabel" name="label">
 
       <property name="text">
 
        <string>Select Range Preset:</string>
 
       </property>
 
      </widget>
 
     </item>
 
     <item row="5" column="1">
 
     <item row="6" column="1">
 
      <widget class="QComboBox" name="cbRangePresets"/>
 
     </item>
 
     <item row="1" column="0">
 
      <widget class="QLabel" name="label_4">
 
       <property name="toolTip">
 
        <string/>
 
       </property>
 
       <property name="text">
 
        <string>Plot Width:</string>
 
       </property>
 
      </widget>
 
     </item>
 
     <item row="1" column="1">
 
      <widget class="QSpinBox" name="spPlotWidth">
 
       <property name="minimumSize">
 
        <size>
 
         <width>80</width>
 
         <height>0</height>
 
        </size>
 
       </property>
 
       <property name="toolTip">
 
        <string>Width of X axis as maximum number of samples that are shown in plot</string>
 
       </property>
 
       <property name="keyboardTracking">
 
        <bool>false</bool>
 
       </property>
 
       <property name="minimum">
 
        <number>2</number>
 
       </property>
 
       <property name="maximum">
 
        <number>100000</number>
 
       </property>
 
       <property name="value">
 
        <number>1000</number>
 
       </property>
 
      </widget>
 
     </item>
 
    </layout>
 
   </item>
 
   <item>
 
    <spacer name="horizontalSpacer_2">
 
     <property name="orientation">
 
      <enum>Qt::Horizontal</enum>
 
     </property>
 
     <property name="sizeType">
 
      <enum>QSizePolicy::MinimumExpanding</enum>
 
     </property>
 
     <property name="sizeHint" stdset="0">
 
      <size>
 
       <width>1</width>
 
       <height>20</height>
 
      </size>
 
     </property>
 
    </spacer>
 
   </item>
 
  </layout>
 
 </widget>
 
 <customwidgets>
 
  <customwidget>
 
   <class>color_widgets::ColorSelector</class>
 
   <extends>QWidget</extends>
 
   <header>color_selector.hpp</header>
 
   <container>1</container>
 
  </customwidget>
 
 </customwidgets>
 
 <resources/>
 
 <connections/>
 
</ui>
src/plotmanager.cpp
Show inline comments
 
@@ -497,96 +497,105 @@ void PlotManager::setYAxis(bool autoScal
 
    {
 
        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(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);
 
    }
 
}
 

	
 
PlotViewSettings PlotManager::viewSettings() const
 
{
 
    return PlotViewSettings(
 
        {
 
            showGridAction.isChecked(),
 
            showMinorGridAction.isChecked(),
 
            darkBackgroundAction.isChecked(),
 
            showLegendAction.isChecked(),
 
            showMultiAction.isChecked(),
 
            showSymbols
 
        });
 
}
 

	
 
void PlotManager::setViewSettings(const PlotViewSettings& settings)
 
{
 
    showGridAction.setChecked(settings.showGrid);
 
    showGrid(settings.showGrid);
 
    showMinorGridAction.setChecked(settings.showMinorGrid);
 
    showMinorGrid(settings.showMinorGrid);
 
    darkBackgroundAction.setChecked(settings.darkBackground);
 
    darkBackground(settings.darkBackground);
 
    showLegendAction.setChecked(settings.showLegend);
 
    showLegend(settings.showLegend);
 
    showMultiAction.setChecked(settings.showMulti);
 
    setMulti(settings.showMulti);
 

	
 
    setSymbols(settings.showSymbols);
 
    if (showSymbols == Plot::ShowSymbolsAuto)
 
    {
 
        setSymbolsAutoAct->setChecked(true);
 
    }
 
    else if (showSymbols == Plot::ShowSymbolsShow)
 
    {
 
        setSymbolsShowAct->setChecked(true);
 
    }
 
    else
 
    {
 
        setSymbolsHideAct->setChecked(true);
 
    }
 
}
 

	
 
void PlotManager::saveSettings(QSettings* settings)
 
{
 
    settings->beginGroup(SettingGroup_Plot);
 
    settings->setValue(SG_Plot_DarkBackground, darkBackgroundAction.isChecked());
 
    settings->setValue(SG_Plot_Grid, showGridAction.isChecked());
 
    settings->setValue(SG_Plot_MinorGrid, showMinorGridAction.isChecked());
 
    settings->setValue(SG_Plot_Legend, showLegendAction.isChecked());
src/plotmanager.h
Show inline comments
 
@@ -43,105 +43,108 @@ struct PlotViewSettings
 
    bool showMulti;
 
    Plot::ShowSymbols showSymbols;
 
};
 

	
 
class PlotManager : public QObject
 
{
 
    Q_OBJECT
 

	
 
public:
 
    explicit PlotManager(QWidget* plotArea, 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();
 
    /// Returns the list of actions to be inserted into the `View` menu
 
    QList<QAction*> menuActions();
 
    /// Returns current status of menu actions
 
    PlotViewSettings viewSettings() const;
 
    /// Set the current state of view
 
    void setViewSettings(const PlotViewSettings& settings);
 
    /// Stores plot settings into a `QSettings`.
 
    void saveSettings(QSettings* settings);
 
    /// Loads plot settings from a `QSettings`.
 
    void loadSettings(QSettings* 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;
 
    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;
 

	
 
    // menu actions
 
    QAction showGridAction;
 
    QAction showMinorGridAction;
 
    QAction unzoomAction;
 
    QAction darkBackgroundAction;
 
    QAction showLegendAction;
 
    QAction showMultiAction;
 
    QAction setSymbolsAction;
 
    QMenu setSymbolsMenu;
 
    QAction* setSymbolsAutoAct;
 
    QAction* setSymbolsShowAct;
 
    QAction* setSymbolsHideAct;
 

	
 
    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);
 
    void setSymbols(Plot::ShowSymbols shown);
 
    /// 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 onChannelInfoChanged(const QModelIndex & topLeft,
 
                              const QModelIndex & bottomRight,
 
                              const QVector<int> & roles = QVector<int> ());
 
};
 

	
 
#endif // PLOTMANAGER_H
src/scrollzoomer.cpp
Show inline comments
 
@@ -25,102 +25,102 @@ public:
 
    {
 
    }
 

	
 
    ~ScrollData()
 
    {
 
        delete scrollBar;
 
    }
 

	
 
    ScrollBar *scrollBar;
 
    ScrollZoomer::ScrollBarPosition position;
 
    Qt::ScrollBarPolicy mode;
 
};
 

	
 
ScrollZoomer::ScrollZoomer( QWidget *canvas ):
 
    QwtPlotZoomer( canvas ),
 
    d_cornerWidget( NULL ),
 
    d_hScrollData( NULL ),
 
    d_vScrollData( NULL ),
 
    d_inZoom( false )
 
{
 
    xMin = 0.;
 
    xMax = 10000.;
 
    hViewSize = 10000;
 

	
 
    for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
 
        d_alignCanvasToScales[ axis ] = false;
 

	
 
    if ( !canvas )
 
        return;
 

	
 
    d_hScrollData = new ScrollData;
 
    d_vScrollData = new ScrollData;
 
    hscrollmove = false;
 
    vscrollmove = false;
 
}
 

	
 
ScrollZoomer::~ScrollZoomer()
 
{
 
    delete d_cornerWidget;
 
    delete d_vScrollData;
 
    delete d_hScrollData;
 
}
 

	
 
void ScrollZoomer::setXLimits(double min, double max)
 
{
 
    xMin = min;
 
    xMax = max;
 
    setZoomBase();
 
    // TODO: should we update zoom base here?
 
}
 

	
 
void ScrollZoomer::setHViewSize(double size)
 
{
 
    hViewSize = size;
 
    setZoomBase();
 
}
 

	
 
void ScrollZoomer::setZoomBase(bool doReplot)
 
{
 
    QwtPlotZoomer::setZoomBase(doReplot);
 
    auto zb = zoomBase();
 
    auto zs = zoomStack();
 
    zb.setRight(xMax);
 
    if ((xMax - xMin) < hViewSize)
 
    {
 
        zb.setLeft(xMin);
 
    }
 
    else
 
    {
 
        zb.setLeft(xMax-hViewSize);
 
    }
 
    zs[0] = zb;
 
    setZoomStack(zs);
 
}
 

	
 
void ScrollZoomer::rescale()
 
{
 
    QwtScaleWidget *xScale = plot()->axisWidget( xAxis() );
 
    QwtScaleWidget *yScale = plot()->axisWidget( yAxis() );
 

	
 
    if ( zoomRectIndex() <= 0 )
 
    {
 
        if ( d_inZoom )
 
        {
 
            xScale->setMinBorderDist( 0, 0 );
 
            yScale->setMinBorderDist( 0, 0 );
 

	
 
            QwtPlotLayout *layout = plot()->plotLayout();
 

	
 
            for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
 
                layout->setAlignCanvasToScale( axis, d_alignCanvasToScales[ axis ] );
 

	
 
            d_inZoom = false;
 
        }
 
    }
 
    else
 
    {
 
        if ( !d_inZoom )
 
        {
 
            /*
 
             We set a minimum border distance.
 
             Otherwise the canvas size changes when scrolling,
 
             between situations where the major ticks are at
0 comments (0 inline, 0 general)