Changeset - 73e46f8f1ad6
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Hasan Yavuz ÖZDERYA - 8 years ago 2017-04-30 05:45:34
hy@ozderya.net
add options to disable/enable symbols

also fixes symbols always shown in multi plot mode, issue #5
4 files changed with 98 insertions and 6 deletions:
src/plot.cpp
32
3
src/plot.h
11
1
src/plotmanager.cpp
49
2
src/plotmanager.h
6
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src/plot.cpp
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@@ -36,12 +36,13 @@ Plot::Plot(QWidget* parent) :
 
    zoomer(this->canvas(), false),
 
    sZoomer(this, &zoomer)
 
{
 
    isAutoScaled = true;
 
    symbolSize = 0;
 
    numOfSamples = 1;
 
    showSymbols = ShowSymbolsAuto;
 

			




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

			




	
	
	
		
 

			




	
	
	
		
 
    zoomer.setZoomBase();

			




	
	
	
		
 
    grid.attach(this);

			




	
	
	
		
 
    legend.attach(this);

			




	
	
		
 
@@ -244,14 +245,44 @@ void Plot::flashSnapshotOverlay(bool lig

			




	
	
	
		
 
            {

			




	
	
	
		
 
                delete snapshotOverlay;

			




	
	
	
		
 
                snapshotOverlay = NULL;

			




	
	
	
		
 
            });

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
void Plot::setSymbols(ShowSymbols shown)

			




	
	
	
		
 
{

			




	
	
	
		
 
    showSymbols = shown;

			




	
	
	
		
 

			




	
	
	
		
 
    if (showSymbols == ShowSymbolsAuto)

			




	
	
	
		
 
    {

			




	
	
	
		
 
        calcSymbolSize();

			




	
	
	
		
 
    }

			




	
	
	
		
 
    else if (showSymbols == ShowSymbolsAlways)

			




	
	
	
		
 
    {

			




	
	
	
		
 
        symbolSize = SYMBOL_SIZE_MAX;

			




	
	
	
		
 
    }

			




	
	
	
		
 
    else

			




	
	
	
		
 
    {

			




	
	
	
		
 
        symbolSize = 0;

			




	
	
	
		
 
    }

			




	
	
	
		
 

			




	
	
	
		
 
    updateSymbols();

			




	
	
	
		
 
    replot();

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
void Plot::onXScaleChanged()

			




	
	
	
		
 
{

			




	
	
	
		
 
    if (showSymbols == 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 samplesInView = numOfSamples / zoomRate;

			




	
	
		
 
@@ -262,14 +293,12 @@ void Plot::onXScaleChanged()

			




	
	
	
		
 
        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 );

			




	
	
	
		
 

			




	
	
		
 
@@ -294,11 +323,11 @@ void Plot::updateSymbols()

			




	
	
	
		
 
void Plot::resizeEvent(QResizeEvent * event)

			




	
	
	
		
 
{

			




	
	
	
		
 
    QwtPlot::resizeEvent(event);

			




	
	
	
		
 
    onXScaleChanged();

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
void Plot::onNumOfSamplesChanged(unsigned value)

			




	
	
	
		
 
void Plot::setNumOfSamples(unsigned value)

			




	
	
	
		
 
{

			




	
	
	
		
 
    numOfSamples = value;

			




	
	
	
		
 
    onXScaleChanged();

			




	
	
	
		
 
}

			




        

    


    
    

    

        

                

                    src/plot.h
                

                

                  
                      
                        

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@@ -30,12 +30,19 @@

			




	
	
	
		
 
#include <qwt_plot_textlabel.h>

			




	
	
	
		
 

			




	
	
	
		
 
#include "zoomer.h"

			




	
	
	
		
 
#include "scalezoomer.h"

			




	
	
	
		
 
#include "plotsnapshotoverlay.h"

			




	
	
	
		
 

			




	
	
	
		
 
enum ShowSymbols

			




	
	
	
		
 
{

			




	
	
	
		
 
    ShowSymbolsAuto,

			




	
	
	
		
 
    ShowSymbolsAlways,

			




	
	
	
		
 
    ShowSymbolsNever

			




	
	
	
		
 
};

			




	
	
	
		
 

			




	
	
	
		
 
class Plot : public QwtPlot

			




	
	
	
		
 
{

			




	
	
	
		
 
    Q_OBJECT

			




	
	
	
		
 

			




	
	
	
		
 
    friend class PlotManager;

			




	
	
	
		
 

			




	
	
		
 
@@ -51,21 +58,22 @@ public slots:

			




	
	
	
		
 
    void showLegend(bool show = true);

			




	
	
	
		
 
    void showDemoIndicator(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 onNumOfSamplesChanged(unsigned value);

			




	
	
	
		
 
    void setNumOfSamples(unsigned value);

			




	
	
	
		
 

			




	
	
	
		
 
protected:

			




	
	
	
		
 
    /// update the display of symbols depending on `symbolSize`

			




	
	
	
		
 
    void updateSymbols();

			




	
	
	
		
 

			




	
	
	
		
 
private:

			




	
	
		
 
@@ -77,15 +85,17 @@ private:

			




	
	
	
		
 
    Zoomer zoomer;

			




	
	
	
		
 
    ScaleZoomer sZoomer;

			




	
	
	
		
 
    QwtPlotGrid grid;

			




	
	
	
		
 
    PlotSnapshotOverlay* snapshotOverlay;

			




	
	
	
		
 
    QwtPlotLegendItem legend;

			




	
	
	
		
 
    QwtPlotTextLabel demoIndicator;

			




	
	
	
		
 
    ShowSymbols showSymbols;

			




	
	
	
		
 

			




	
	
	
		
 
    void resetAxes();

			




	
	
	
		
 
    void resizeEvent(QResizeEvent * event);

			




	
	
	
		
 
    void calcSymbolSize();

			




	
	
	
		
 

			




	
	
	
		
 
private slots:

			




	
	
	
		
 
    void unzoomed();

			




	
	
	
		
 
    void onXScaleChanged();

			




	
	
	
		
 
};

			




	
	
	
		
 

			




        

    


    
    

    

        

                

                    src/plotmanager.cpp
                

                

                  
                      
                        

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@@ -14,12 +14,13 @@

			




	
	
	
		
 
  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 <QActionGroup>

			




	
	
	
		
 
#include "qwt_symbol.h"

			




	
	
	
		
 

			




	
	
	
		
 
#include "plot.h"

			




	
	
	
		
 
#include "plotmanager.h"

			




	
	
	
		
 
#include "utils.h"

			




	
	
	
		
 
#include "setting_defines.h"

			




	
	
		
 
@@ -29,20 +30,22 @@ PlotManager::PlotManager(QWidget* plotAr

			




	
	
	
		
 
    _plotArea(plotArea),

			




	
	
	
		
 
    showGridAction("&Grid", this),

			




	
	
	
		
 
    showMinorGridAction("&Minor Grid", this),

			




	
	
	
		
 
    unzoomAction("&Unzoom", this),

			




	
	
	
		
 
    darkBackgroundAction("&Dark Background", this),

			




	
	
	
		
 
    showLegendAction("&Legend", this),

			




	
	
	
		
 
    showMultiAction("Multi &Plot", this)

			




	
	
	
		
 
    showMultiAction("Multi &Plot", this),

			




	
	
	
		
 
    setSymbolsAction("Symbols", this)

			




	
	
	
		
 
{

			




	
	
	
		
 
    _autoScaled = true;

			




	
	
	
		
 
    _yMin = 0;

			




	
	
	
		
 
    _yMax = 1;

			




	
	
	
		
 
    isDemoShown = false;

			




	
	
	
		
 
    _infoModel = infoModel;

			




	
	
	
		
 
    _numOfSamples = 1;

			




	
	
	
		
 
    showSymbols = ShowSymbolsAuto;

			




	
	
	
		
 

			




	
	
	
		
 
    // initalize layout and single widget

			




	
	
	
		
 
    isMulti = false;

			




	
	
	
		
 
    scrollArea = NULL;

			




	
	
	
		
 
    setupLayout(isMulti);

			




	
	
	
		
 
    addPlotWidget();

			




	
	
		
 
@@ -51,12 +54,13 @@ PlotManager::PlotManager(QWidget* plotAr

			




	
	
	
		
 
    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");

			




	
	
	
		
 
    setSymbolsAction.setToolTip("Show/Hide symbols");

			




	
	
	
		
 

			




	
	
	
		
 
    showGridAction.setShortcut(QKeySequence("G"));

			




	
	
	
		
 
    showMinorGridAction.setShortcut(QKeySequence("M"));

			




	
	
	
		
 

			




	
	
	
		
 
    showGridAction.setCheckable(true);

			




	
	
	
		
 
    showMinorGridAction.setCheckable(true);

			




	
	
		
 
@@ -69,12 +73,43 @@ PlotManager::PlotManager(QWidget* plotAr

			




	
	
	
		
 
    darkBackgroundAction.setChecked(false);

			




	
	
	
		
 
    showLegendAction.setChecked(true);

			




	
	
	
		
 
    showMultiAction.setChecked(false);

			




	
	
	
		
 

			




	
	
	
		
 
    showMinorGridAction.setEnabled(false);

			




	
	
	
		
 

			




	
	
	
		
 
    // setup symbols menu

			




	
	
	
		
 
    auto setSymbolAutoAct = setSymbolsMenu.addAction("Show When Zoomed");

			




	
	
	
		
 
    setSymbolAutoAct->setCheckable(true);

			




	
	
	
		
 
    setSymbolAutoAct->setChecked(true);

			




	
	
	
		
 
    connect(setSymbolAutoAct, SELECT<bool>::OVERLOAD_OF(&QAction::triggered),

			




	
	
	
		
 
            [this](bool checked)

			




	
	
	
		
 
            {

			




	
	
	
		
 
                if (checked) setSymbols(ShowSymbolsAuto);

			




	
	
	
		
 
            });

			




	
	
	
		
 
    auto setSymbolAlwaysAct = setSymbolsMenu.addAction("Always Show");

			




	
	
	
		
 
    setSymbolAlwaysAct->setCheckable(true);

			




	
	
	
		
 
    connect(setSymbolAlwaysAct, SELECT<bool>::OVERLOAD_OF(&QAction::triggered),

			




	
	
	
		
 
            [this](bool checked)

			




	
	
	
		
 
            {

			




	
	
	
		
 
                if (checked) setSymbols(ShowSymbolsAlways);

			




	
	
	
		
 
            });

			




	
	
	
		
 
    auto setSymbolHideAct = setSymbolsMenu.addAction("Always Hide");

			




	
	
	
		
 
    setSymbolHideAct->setCheckable(true);

			




	
	
	
		
 
    connect(setSymbolHideAct, SELECT<bool>::OVERLOAD_OF(&QAction::triggered),

			




	
	
	
		
 
            [this](bool checked)

			




	
	
	
		
 
            {

			




	
	
	
		
 
                if (checked) setSymbols(ShowSymbolsNever);

			




	
	
	
		
 
            });

			




	
	
	
		
 
    setSymbolsAction.setMenu(&setSymbolsMenu);

			




	
	
	
		
 

			




	
	
	
		
 
    // add symbol actions to same group so that they appear as radio buttons

			




	
	
	
		
 
    auto group = new QActionGroup(this);

			




	
	
	
		
 
    group->addAction(setSymbolAutoAct);

			




	
	
	
		
 
    group->addAction(setSymbolAlwaysAct);

			




	
	
	
		
 
    group->addAction(setSymbolHideAct);

			




	
	
	
		
 

			




	
	
	
		
 
    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);

			




	
	
		
 
@@ -249,12 +284,14 @@ Plot* PlotManager::addPlotWidget()

			




	
	
	
		
 
    plot->darkBackground(darkBackgroundAction.isChecked());

			




	
	
	
		
 
    plot->showGrid(showGridAction.isChecked());

			




	
	
	
		
 
    plot->showMinorGrid(showMinorGridAction.isChecked());

			




	
	
	
		
 
    plot->showLegend(showLegendAction.isChecked());

			




	
	
	
		
 
    plot->showDemoIndicator(isDemoShown);

			




	
	
	
		
 
    plot->setYAxis(_autoScaled, _yMin, _yMax);

			




	
	
	
		
 
    plot->setNumOfSamples(_numOfSamples);

			




	
	
	
		
 
    plot->setSymbols(showSymbols);

			




	
	
	
		
 

			




	
	
	
		
 
    if (_xAxisAsIndex)

			




	
	
	
		
 
    {

			




	
	
	
		
 
        plot->setXAxis(0, _numOfSamples);

			




	
	
	
		
 
    }

			




	
	
	
		
 
    else

			




	
	
		
 
@@ -360,12 +397,13 @@ QList<QAction*> PlotManager::menuActions

			




	
	
	
		
 
    actions << &showGridAction;

			




	
	
	
		
 
    actions << &showMinorGridAction;

			




	
	
	
		
 
    actions << &unzoomAction;

			




	
	
	
		
 
    actions << &darkBackgroundAction;

			




	
	
	
		
 
    actions << &showLegendAction;

			




	
	
	
		
 
    actions << &showMultiAction;

			




	
	
	
		
 
    actions << &setSymbolsAction;

			




	
	
	
		
 
    return actions;

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
void PlotManager::showGrid(bool show)

			




	
	
	
		
 
{

			




	
	
	
		
 
    for (auto plot : plotWidgets)

			




	
	
		
 
@@ -412,12 +450,21 @@ void PlotManager::darkBackground(bool en

			




	
	
	
		
 
    for (auto plot : plotWidgets)

			




	
	
	
		
 
    {

			




	
	
	
		
 
        plot->darkBackground(enabled);

			




	
	
	
		
 
    }

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
void PlotManager::setSymbols(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)

			




	
	
		
 
@@ -461,13 +508,13 @@ void PlotManager::flashSnapshotOverlay()

			




	
	
	
		
 

			




	
	
	
		
 
void PlotManager::onNumOfSamplesChanged(unsigned value)

			




	
	
	
		
 
{

			




	
	
	
		
 
    _numOfSamples = value;

			




	
	
	
		
 
    for (auto plot : plotWidgets)

			




	
	
	
		
 
    {

			




	
	
	
		
 
        plot->onNumOfSamplesChanged(value);

			




	
	
	
		
 
        plot->setNumOfSamples(value);

			




	
	
	
		
 
        if (_xAxisAsIndex) plot->setXAxis(0, value);

			




	
	
	
		
 
    }

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
void PlotManager::saveSettings(QSettings* settings)

			




	
	
	
		
 
{

			




        

    


    
    

    

        

                

                    src/plotmanager.h
                

                

                  
                      
                        

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@@ -23,12 +23,14 @@

			




	
	
	
		
 
#include <QObject>

			




	
	
	
		
 
#include <QWidget>

			




	
	
	
		
 
#include <QScrollArea>

			




	
	
	
		
 
#include <QVBoxLayout>

			




	
	
	
		
 
#include <QList>

			




	
	
	
		
 
#include <QSettings>

			




	
	
	
		
 
#include <QAction>

			




	
	
	
		
 
#include <QMenu>

			




	
	
	
		
 

			




	
	
	
		
 
#include <qwt_plot_curve.h>

			




	
	
	
		
 
#include "plot.h"

			




	
	
	
		
 
#include "framebufferseries.h"

			




	
	
	
		
 
#include "channelinfomodel.h"

			




	
	
	
		
 

			




	
	
		
 
@@ -86,28 +88,32 @@ private:

			




	
	
	
		
 
    double _yMin;

			




	
	
	
		
 
    double _yMax;

			




	
	
	
		
 
    bool _xAxisAsIndex;

			




	
	
	
		
 
    double _xMin;

			




	
	
	
		
 
    double _xMax;

			




	
	
	
		
 
    unsigned _numOfSamples;

			




	
	
	
		
 
    ShowSymbols showSymbols;

			




	
	
	
		
 

			




	
	
	
		
 
    // menu actions

			




	
	
	
		
 
    QAction showGridAction;

			




	
	
	
		
 
    QAction showMinorGridAction;

			




	
	
	
		
 
    QAction unzoomAction;

			




	
	
	
		
 
    QAction darkBackgroundAction;

			




	
	
	
		
 
    QAction showLegendAction;

			




	
	
	
		
 
    QAction showMultiAction;

			




	
	
	
		
 
    QAction setSymbolsAction;

			




	
	
	
		
 
    QMenu   setSymbolsMenu;

			




	
	
	
		
 

			




	
	
	
		
 
    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(ShowSymbols shown);

			




	
	
	
		
 

			




	
	
	
		
 
private slots:

			




	
	
	
		
 
    void showGrid(bool show = true);

			




	
	
	
		
 
    void showMinorGrid(bool show = true);

			




	
	
	
		
 
    void showLegend(bool show = true);

			




	
	
	
		
 
    void unzoom();

			




        

    



    


    



    



      

      





    
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