# HG changeset patch
# User Hasan Yavuz ÖZDERYA <hy@ozderya.net>
# Date 2017-04-01 08:49:22
# Node ID 0e27c36ff94971009547a2a7d6ea2b6f799d29fc
# Parent  347335d8956f1103791664a4868c06e7b58b4902

fix symbols

diff --git a/src/plot.cpp b/src/plot.cpp
--- a/src/plot.cpp
+++ b/src/plot.cpp
@@ -38,6 +38,7 @@ Plot::Plot(QWidget* parent) :
 {
     isAutoScaled = true;
     symbolSize = 0;
+    numOfSamples = 1;
 
     QObject::connect(&zoomer, &Zoomer::unzoomed, this, &Plot::unzoomed);
 
@@ -250,7 +251,10 @@ 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);
+    auto fullScaleDist = zoomer.zoomBase().width();
+    auto zoomRate = fullScaleDist / scaleDist;
+    float samplesInView = numOfSamples / zoomRate;
+    int symDisPx = round(paintDist / samplesInView);
 
     if (symDisPx < SYMBOL_SHOW_AT_WIDTH)
     {
@@ -294,6 +298,11 @@ void Plot::resizeEvent(QResizeEvent * ev
 
 void Plot::onNumOfSamplesChanged(unsigned value)
 {
+    numOfSamples = value;
+    onXScaleChanged();
+
+    // TODO: what to do with this?
+
     // auto currentBase = zoomer.zoomBase();
     // currentBase.setWidth(value);
     // zoomer.setZoomBase(currentBase);
diff --git a/src/plot.h b/src/plot.h
--- a/src/plot.h
+++ b/src/plot.h
@@ -72,6 +72,7 @@ private:
     bool isAutoScaled;
     double yMin, yMax;
     double _xMin, _xMax;
+    unsigned numOfSamples;
     int symbolSize;
     Zoomer zoomer;
     ScaleZoomer sZoomer;
diff --git a/src/plotmanager.cpp b/src/plotmanager.cpp
--- a/src/plotmanager.cpp
+++ b/src/plotmanager.cpp
@@ -462,12 +462,10 @@ void PlotManager::flashSnapshotOverlay()
 void PlotManager::onNumOfSamplesChanged(unsigned value)
 {
     _numOfSamples = value;
-    if (_xAxisAsIndex)
+    for (auto plot : plotWidgets)
     {
-        for (auto plot : plotWidgets)
-        {
-            plot->setXAxis(0, value);
-        }
+        plot->onNumOfSamplesChanged(value);
+        if (_xAxisAsIndex) plot->setXAxis(0, value);
     }
 }