# HG changeset patch
# User Hasan Yavuz ÖZDERYA <hy@ozderya.net>
# Date 2017-01-02 15:14:04
# Node ID d1ec2d001aae7987795fe028446d7b8331d45030
# Parent  edd8b66ead8e0668bbad630d698fb2324b4e0a3d

update symbol colors as well

diff --git a/src/plot.h b/src/plot.h
--- a/src/plot.h
+++ b/src/plot.h
@@ -37,28 +37,14 @@ class Plot : public QwtPlot
 {
     Q_OBJECT
 
+    friend class PlotManager;
+
 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);
@@ -77,6 +63,24 @@ public slots:
 
     void onNumOfSamplesChanged(unsigned value);
 
+protected:
+    /// update the display of symbols depending on `symbolSize`
+    void updateSymbols();
+
+private:
+    bool isAutoScaled;
+    double yMin, yMax;
+    int symbolSize;
+    Zoomer zoomer;
+    ScaleZoomer sZoomer;
+    QwtPlotGrid grid;
+    PlotSnapshotOverlay* snapshotOverlay;
+    QwtPlotLegendItem legend;
+    QwtPlotTextLabel demoIndicator;
+
+    void resetAxes();
+    void resizeEvent(QResizeEvent * event);
+
 private slots:
     void unzoomed();
     void onXScaleChanged();
diff --git a/src/plotmanager.cpp b/src/plotmanager.cpp
--- a/src/plotmanager.cpp
+++ b/src/plotmanager.cpp
@@ -18,6 +18,7 @@
 */
 
 #include <QtDebug>
+#include "qwt_symbol.h"
 
 #include "plot.h"
 #include "plotmanager.h"
@@ -133,6 +134,7 @@ void PlotManager::onChannelInfoChanged(c
         // replot only updated widgets
         if (isMulti)
         {
+            plotWidgets[ci]->updateSymbols(); // required for color change
             plotWidgets[ci]->replot();
         }
     }
@@ -140,6 +142,7 @@ void PlotManager::onChannelInfoChanged(c
     // replot single widget
     if (!isMulti)
     {
+        plotWidgets[0]->updateSymbols();
         replot();
     }
 }