tempo-plotter Changeset - 30ed6e632f67 · protofusion repositories

Changeset - 30ed6e632f67

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Hasan Yavuz ÖZDERYA - 9 years ago 2016-08-30 10:11:05
hy@ozderya.net

Merge with show-symbols

5 files changed with 95 insertions and 1 deletions:

src/mainwindow.cpp

src/plot.cpp

src/plot.h

src/plotmanager.cpp

src/plotmanager.h

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src/mainwindow.cpp

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 /*
   Copyright © 2016 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 "mainwindow.h"
 #include "ui_mainwindow.h"
 #include <QByteArray>
 #include <QApplication>
 #include <QFileDialog>
 #include <QFile>
 #include <QTextStream>
 #include <QMenu>
 #include <QDesktopServices>
 #include <QtDebug>
 #include <qwt_plot.h>
 #include <limits.h>
 #include <cmath>
 #include <iostream>
 #include <plot.h>
 #include "framebufferseries.h"
 #include "utils.h"
 #include "defines.h"
 #include "version.h"
 #if defined(Q_OS_WIN) && defined(QT_STATIC)
 #include <QtPlugin>
 Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
 #endif
 MainWindow::MainWindow(QWidget *parent) :
     QMainWindow(parent),
     ui(new Ui::MainWindow),
     aboutDialog(this),
     portControl(&serialPort),
     channelMan(1, 1, this),
     snapshotMan(this, &channelMan),
     commandPanel(&serialPort),
     dataFormatPanel(&serialPort, &channelMan)
+{
     ui->setupUi(this);
     plotMan = new PlotManager(ui->plotArea);
     ui->tabWidget->insertTab(0, &portControl, "Port");
     ui->tabWidget->insertTab(1, &dataFormatPanel, "Data Format");
     ui->tabWidget->insertTab(2, &plotControlPanel, "Plot");
     ui->tabWidget->insertTab(3, &commandPanel, "Commands");
     ui->tabWidget->setCurrentIndex(0);
     addToolBar(portControl.toolBar());
     ui->plotToolBar->addAction(snapshotMan.takeSnapshotAction());
     ui->menuBar->insertMenu(ui->menuHelp->menuAction(), snapshotMan.menu());
     ui->menuBar->insertMenu(ui->menuHelp->menuAction(), commandPanel.menu());
     connect(commandPanel.newCommandAction(), &QAction::triggered, [this]()
+            {
                 this->ui->tabWidget->setCurrentWidget(&commandPanel);
             });
     connect(&commandPanel, &CommandPanel::focusRequested, [this]()
+            {
                 this->ui->tabWidget->setCurrentWidget(&commandPanel);
             });
     setupAboutDialog();
     // init view menu
     for (auto a : plotMan->menuActions())
+    {
         ui->menuView->addAction(a);
+    }
     ui->menuView->addSeparator();
     QMenu* tbMenu = ui->menuView->addMenu("Toolbars");
     tbMenu->addAction(ui->plotToolBar->toggleViewAction());
     tbMenu->addAction(portControl.toolBar()->toggleViewAction());
     // init UI signals
     // menu signals
     QObject::connect(ui->actionHelpAbout, &QAction::triggered,
               &aboutDialog, &QWidget::show);
     QObject::connect(ui->actionReportBug, &QAction::triggered,
                      [](){QDesktopServices::openUrl(QUrl(BUG_REPORT_URL));});
     QObject::connect(ui->actionExportCsv, &QAction::triggered,
                      this, &MainWindow::onExportCsv);
     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);
     connect(&plotControlPanel, &PlotControlPanel::numOfSamplesChanged,
             this, &MainWindow::onNumOfSamplesChanged);
     connect(&plotControlPanel, &PlotControlPanel::numOfSamplesChanged,
             plotMan, &PlotManager::onNumOfSamplesChanged);
     connect(&plotControlPanel, &PlotControlPanel::scaleChanged,
             plotMan, &PlotManager::setAxis);
     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(&dataFormatPanel, &DataFormatPanel::dataAdded,
                      plotMan, &PlotManager::replot);
     QObject::connect(ui->actionPause, &QAction::triggered,
                      &dataFormatPanel, &DataFormatPanel::pause);
     // 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);
     connect(&channelMan, &ChannelManager::channelNameChanged,
             this, &MainWindow::onChannelNameChanged);
     plotControlPanel.setChannelNamesModel(channelMan.channelNames());
     // init curve list
     for (unsigned int i = 0; i < numOfChannels; i++)
+    {
         plotMan->addCurve(channelMan.channelName(i), channelMan.channelBuffer(i));
+    }
     // init auto scale
     plotMan->setAxis(plotControlPanel.autoScale(),
                      plotControlPanel.yMin(), plotControlPanel.yMax());
     // 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);
+}
 MainWindow::~MainWindow()
+{
     if (serialPort.isOpen())
+    {
         serialPort.close();
+    }
     delete plotMan;
     delete ui;
     ui = NULL; // we check if ui is deleted in messageHandler
+}
 void MainWindow::setupAboutDialog()
+{
     Ui_AboutDialog uiAboutDialog;
     uiAboutDialog.setupUi(&aboutDialog);
     QObject::connect(uiAboutDialog.pbAboutQt, &QPushButton::clicked,
                      [](){ QApplication::aboutQt();});
     QString aboutText = uiAboutDialog.lbAbout->text();
     aboutText.replace("$VERSION_STRING$", VERSION_STRING);
     aboutText.replace("$VERSION_REVISION$", VERSION_REVISION);
     uiAboutDialog.lbAbout->setText(aboutText);
+}
 void MainWindow::onPortToggled(bool open)
+{
     // make sure demo mode is disabled
     if (open && isDemoRunning()) enableDemo(false);
     ui->actionDemoMode->setEnabled(!open);
+}
 void MainWindow::onPortError(QSerialPort::SerialPortError error)
+{
     switch(error)
+    {
         case QSerialPort::NoError :
             break;
         case QSerialPort::ResourceError :
             qWarning() << "Port error: resource unavaliable; most likely device removed.";
             if (serialPort.isOpen())
+            {
                 qWarning() << "Closing port on resource error: " << serialPort.portName();
                 portControl.togglePort();
+            }
             portControl.loadPortList();
             break;
         case QSerialPort::DeviceNotFoundError:
             qCritical() << "Device doesn't exists: " << serialPort.portName();
             break;
         case QSerialPort::PermissionError:
             qCritical() << "Permission denied. Either you don't have \
 required privileges or device is already opened by another process.";
             break;
         case QSerialPort::OpenError:
             qWarning() << "Device is already opened!";
             break;
         case QSerialPort::NotOpenError:
             qCritical() << "Device is not open!";
             break;
         case QSerialPort::ParityError:
             qCritical() << "Parity error detected.";
             break;
         case QSerialPort::FramingError:
             qCritical() << "Framing error detected.";
             break;
         case QSerialPort::BreakConditionError:
             qCritical() << "Break condition is detected.";
             break;
         case QSerialPort::WriteError:
             qCritical() << "An error occurred while writing data.";
             break;
         case QSerialPort::ReadError:
             qCritical() << "An error occurred while reading data.";
             break;
         case QSerialPort::UnsupportedOperationError:
             qCritical() << "Operation is not supported.";
             break;
         case QSerialPort::TimeoutError:
             qCritical() << "A timeout error occurred.";
             break;
         case QSerialPort::UnknownError:
             qCritical() << "Unknown error! Error: " << serialPort.errorString();
             break;
         default:
             qCritical() << "Unhandled port error: " << error;
             break;
+    }
+}
 void MainWindow::clearPlot()
+{
     for (unsigned ci = 0; ci < channelMan.numOfChannels(); ci++)
+    {
         channelMan.channelBuffer(ci)->clear();
+    }
     plotMan->replot();
+}
 void MainWindow::onNumOfSamplesChanged(int value)
+{
     numOfSamples = value;
     channelMan.setNumOfSamples(value);
     plotMan->replot();
+}
 void MainWindow::onNumOfChannelsChanged(unsigned value)
+{
     unsigned int oldNum = plotMan->numOfCurves();
     unsigned numOfChannels = value;
     if (numOfChannels > oldNum)
+    {
         // add new channels
         for (unsigned int i = oldNum; i < numOfChannels; i++)
+        {
             plotMan->addCurve(channelMan.channelName(i), channelMan.channelBuffer(i));
+        }
+    }
     else if(numOfChannels < oldNum)
+    {
         plotMan->removeCurves(oldNum - numOfChannels);
+    }
     plotMan->replot();
+}
 void MainWindow::onChannelNameChanged(unsigned channel, QString name)
+{
     // This slot is triggered also when a new channel is added, in
     // this case curve list doesn't contain said channel. No worries,
     // since `onNumOfChannelsChanged` slot will update curve list.
     if (channel < plotMan->numOfCurves()) // check if channel exists in curve list
+    {
         plotMan->setTitle(channel, name);
+    }
+}
 void MainWindow::onSpsChanged(unsigned sps)
+{
     spsLabel.setText(QString::number(sps) + "sps");
+}
 bool MainWindow::isDemoRunning()
+{
     return ui->actionDemoMode->isChecked();
+}
 void MainWindow::enableDemo(bool enabled)
+{
     if (enabled)
+    {
         if (!serialPort.isOpen())
+        {
             dataFormatPanel.enableDemo(true);
+        }
         else
+        {
             ui->actionDemoMode->setChecked(false);
+        }
+    }
     else
+    {
         dataFormatPanel.enableDemo(false);
         ui->actionDemoMode->setChecked(false);
+    }
+}
 void MainWindow::onExportCsv()
+{
     bool wasPaused = ui->actionPause->isChecked();
     ui->actionPause->setChecked(true); // pause plotting
     QString fileName = QFileDialog::getSaveFileName(this, tr("Export CSV File"));
     if (fileName.isNull())  // user canceled export
+    {
         ui->actionPause->setChecked(wasPaused);
+    }
     else
+    {
         Snapshot* snapshot = snapshotMan.makeSnapshot();
         snapshot->save(fileName);
         delete snapshot;
+    }
+}
 void MainWindow::messageHandler(QtMsgType type,
                                 const QMessageLogContext &context,
                                 const QString &msg)
+{
     QString logString;
     switch (type)
+    {
         case QtDebugMsg:
             logString = "[Debug] " + msg;
             break;
         case QtWarningMsg:
             logString = "[Warning] " + msg;
             break;
         case QtCriticalMsg:
             logString = "[Error] " + msg;
             break;
         case QtFatalMsg:
             logString = "[Fatal] " + msg;
             break;
+    }
     if (ui != NULL) ui->ptLog->appendPlainText(logString);
     std::cerr << logString.toStdString() << std::endl;
     if (type != QtDebugMsg && ui != NULL)
+    {
         ui->statusBar->showMessage(msg, 5000);
+    }
+}

src/plot.cpp

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 /*
   Copyright © 2015 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 <QRectF>
 #include <QKeySequence>
 #include <QColor>
 #include <qwt_symbol.h>
 #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;
     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::AlignTop);
     demoIndicator.setText(demoText);
     demoIndicator.hide();
     demoIndicator.attach(this);
+}
 Plot::~Plot()
+{
     if (snapshotOverlay != NULL) delete snapshotOverlay;
+}
 void Plot::setAxis(bool autoScaled, double yAxisMin, double yAxisMax)
+{
     this->isAutoScaled = autoScaled;
     if (!autoScaled)
+    {
         yMin = yAxisMin;
         yMax = yAxisMax;
+    }
     zoomer.zoom(0);
     resetAxes();
+}
 void Plot::resetAxes()
+{
     if (isAutoScaled)
+    {
         setAxisAutoScale(QwtPlot::yLeft);
+    }
     else
+    {
         setAxisScale(QwtPlot::yLeft, yMin, yMax);
+    }
     replot();
+}
 void Plot::unzoomed()
+{
     setAxisAutoScale(QwtPlot::xBottom);
     resetAxes();
+}
 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::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
 °                     <--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::onXScaleChanged()
+{
     auto sw = axisWidget(QwtPlot::xBottom);
     auto paintDist = sw->scaleDraw()->scaleMap().pDist();
     auto scaleDist = sw->scaleDraw()->scaleMap().sDist();
     int symDisPx = round(paintDist / scaleDist);
     if (symDisPx < SYMBOL_SHOW_AT_WIDTH)
+    {
         symbolSize = 0;
+    }
     else
+    {
         symbolSize = std::min(SYMBOL_SIZE_MAX, symDisPx-SYMBOL_SHOW_AT_WIDTH+1);
+    }
     updateSymbols();
+}
 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::onNumOfSamplesChanged(unsigned value)
+{
     auto currentBase = zoomer.zoomBase();
     currentBase.setWidth(value);
     zoomer.setZoomBase(currentBase);
     onXScaleChanged();
+}

src/plot.h

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 /*
   Copyright © 2016 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
 public:
     Plot(QWidget* parent = 0);
     ~Plot();
     static QColor makeColor(unsigned int channelIndex);
 private:
     bool isAutoScaled;
     double yMin, yMax;
     int symbolSize;
     Zoomer zoomer;
     ScaleZoomer sZoomer;
     QwtPlotGrid grid;
     PlotSnapshotOverlay* snapshotOverlay;
     QwtPlotLegendItem legend;
     QwtPlotTextLabel demoIndicator;
     /// update the display of symbols depending on `symbolSize`
     void updateSymbols();
     void resetAxes();
     void resizeEvent(QResizeEvent * event);
 public slots:
     void showGrid(bool show = true);
     void showMinorGrid(bool show = true);
     void showLegend(bool show = true);
     void showDemoIndicator(bool show = true);
     void unzoom();
     void darkBackground(bool enabled = true);
     void setAxis(bool autoScaled, double yMin = 0, double yMax = 1);
     /**
      * Displays an animation for snapshot.
+     *
      * @param light show a light colored (white) animation or the opposite
      */
     void flashSnapshotOverlay(bool light);
     void onNumOfSamplesChanged(unsigned value);
 private slots:
     void unzoomed();
     void onXScaleChanged();
 };
 #endif // PLOT_H

src/plotmanager.cpp

➞

Show inline comments

 /*
   Copyright © 2016 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 <QtDebug>
 #include "plot.h"
 #include "plotmanager.h"
 #include "utils.h"
 PlotManager::PlotManager(QWidget* plotArea, QObject *parent) :
     QObject(parent),
     _plotArea(plotArea),
     showGridAction("Grid", this),
     showMinorGridAction("Minor Grid", this),
     unzoomAction("Unzoom", this),
     darkBackgroundAction("Dark Background", this),
     showLegendAction("Legend", this),
     showMultiAction("Multi Plot", this)
+{
     _autoScaled = true;
     _yMin = 0;
     _yMax = 1;
     isDemoShown = false;
     // initalize layout and single widget
     isMulti = false;
     scrollArea = NULL;
     setupLayout(isMulti);
     addPlotWidget();
     // initialize menu actions
     showGridAction.setToolTip("Show Grid");
     showMinorGridAction.setToolTip("Show Minor Grid");
     unzoomAction.setToolTip("Unzoom the Plot");
     darkBackgroundAction.setToolTip("Enable Dark Plot Background");
     showLegendAction.setToolTip("Display the Legend on Plot");
     showMultiAction.setToolTip("Display All Channels Separately");
     showGridAction.setShortcut(QKeySequence("G"));
     showMinorGridAction.setShortcut(QKeySequence("M"));
     showGridAction.setCheckable(true);
     showMinorGridAction.setCheckable(true);
     darkBackgroundAction.setCheckable(true);
     showLegendAction.setCheckable(true);
     showMultiAction.setCheckable(true);
     showGridAction.setChecked(false);
     showMinorGridAction.setChecked(false);
     darkBackgroundAction.setChecked(false);
     showLegendAction.setChecked(true);
     showMultiAction.setChecked(false);
     showMinorGridAction.setEnabled(false);
     connect(&showGridAction, SELECT<bool>::OVERLOAD_OF(&QAction::triggered),
             this, &PlotManager::showGrid);
     connect(&showGridAction, SELECT<bool>::OVERLOAD_OF(&QAction::triggered),
             &showMinorGridAction, &QAction::setEnabled);
     connect(&showMinorGridAction, SELECT<bool>::OVERLOAD_OF(&QAction::triggered),
             this, &PlotManager::showMinorGrid);
     connect(&unzoomAction, &QAction::triggered, this, &PlotManager::unzoom);
     connect(&darkBackgroundAction, SELECT<bool>::OVERLOAD_OF(&QAction::triggered),
             this, &PlotManager::darkBackground);
     connect(&showLegendAction, SELECT<bool>::OVERLOAD_OF(&QAction::triggered),
             this, &PlotManager::showLegend);
     connect(&showLegendAction, SELECT<bool>::OVERLOAD_OF(&QAction::triggered),
             this, &PlotManager::showLegend);
     connect(&showMultiAction, SELECT<bool>::OVERLOAD_OF(&QAction::triggered),
             this, &PlotManager::setMulti);
+}
 PlotManager::~PlotManager()
+{
     while (curves.size())
+    {
         delete curves.takeLast();
+    }
     // remove all widgets
     while (plotWidgets.size())
+    {
         delete plotWidgets.takeLast();
+    }
     if (scrollArea != NULL) delete scrollArea;
+}
 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)
+        {
             curve->attach(addPlotWidget());
+        }
+    }
     else
+    {
         // add a single widget
         auto plot = addPlotWidget();
         // attach all curves
         for (auto curve : curves)
+        {
             curve->attach(plot);
+        }
+    }
+}
 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(darkBackgroundAction.isChecked());
     plot->showGrid(showGridAction.isChecked());
     plot->showMinorGrid(showMinorGridAction.isChecked());
     plot->showLegend(showLegendAction.isChecked());
     plot->showDemoIndicator(isDemoShown);
     plot->setAxis(_autoScaled, _yMin, _yMax);
     return plot;
+}
 void PlotManager::addCurve(QString title, FrameBuffer* buffer)
+{
     auto curve = new QwtPlotCurve(title);
     curve->setSamples(new FrameBufferSeries(buffer));
     _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;
     curve->setPen(Plot::makeColor(index));
     // 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();
+    }
+}
 QList<QAction*> PlotManager::menuActions()
+{
     QList<QAction*> actions;
     actions << &showGridAction;
     actions << &showMinorGridAction;
     actions << &unzoomAction;
     actions << &darkBackgroundAction;
     actions << &showLegendAction;
     actions << &showMultiAction;
     return actions;
+}
 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::setAxis(bool autoScaled, double yAxisMin, double yAxisMax)
+{
     _autoScaled = autoScaled;
     _yMin = yAxisMin;
     _yMax = yAxisMax;
     for (auto plot : plotWidgets)
+    {
         plot->setAxis(autoScaled, yAxisMin, yAxisMax);
+    }
+}
 void PlotManager::flashSnapshotOverlay()
+{
     for (auto plot : plotWidgets)
+    {
         plot->flashSnapshotOverlay(darkBackgroundAction.isChecked());
+    }
+}
 void PlotManager::onNumOfSamplesChanged(unsigned value)
+{
     for (auto plot : plotWidgets)
+    {
         plot->onNumOfSamplesChanged(value);
+    }
+}

src/plotmanager.h

➞

Show inline comments

 /*
   Copyright © 2016 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 <qwt_plot_curve.h>
 #include "plot.h"
 #include "framebufferseries.h"
 class PlotManager : public QObject
+{
     Q_OBJECT
 public:
     explicit PlotManager(QWidget* plotArea, 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();
 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 setAxis(bool autoScaled, double yMin = 0, double yMax = 1);
     /// Display an animation for snapshot
     void flashSnapshotOverlay();
     /// Should be called to update zoom base
     void onNumOfSamplesChanged(unsigned value);
 private:
     bool isMulti;
     QWidget* _plotArea;
     QVBoxLayout* layout; ///< layout of the `plotArea`
     QScrollArea* scrollArea;
     QList<QwtPlotCurve*> curves;
     QList<Plot*> plotWidgets;
     bool isDemoShown;
     bool _autoScaled;
     double _yMin;
     double _yMax;
     // menu actions
     QAction showGridAction;
     QAction showMinorGridAction;
     QAction unzoomAction;
     QAction darkBackgroundAction;
     QAction showLegendAction;
     QAction showMultiAction;
     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);
 private slots:
     void showGrid(bool show = true);
     void showMinorGrid(bool show = true);
     void showLegend(bool show = true);
     void unzoom();
     void darkBackground(bool enabled = true);
 };
 #endif // PLOTMANAGER_H

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