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

0 comments (0 inline, 0 general)

src/mainwindow.cpp

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@@ @@ -113,12 +113,15 @@ MainWindow::MainWindow(QWidget *parent) @@
     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()));

src/plot.cpp

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@@ @@ -17,36 +17,54 @@ @@
   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);
@@ @@ -145,12 +163,13 @@ void Plot::darkBackground(bool enabled) @@
         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
@@ @@ -200,6 +219,61 @@ void Plot::flashSnapshotOverlay(bool lig @@
             [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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@@ @@ -43,20 +43,24 @@ public: @@
     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);
@@ @@ -68,11 +72,14 @@ public slots: @@
      * 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

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@@ @@ -361,6 +361,14 @@ 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

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@@ @@ -59,12 +59,14 @@ public slots: @@
     /// 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;

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