# HG changeset patch
# User Hasan Yavuz ÖZDERYA <hy@ozderya.net>
# Date 2017-10-07 09:14:03
# Node ID 224950d13c1da95976bde6a5cbbe24c7006e3b4b
# Parent  85b902fd5722558b528131f1e600cc3109bdce91

set border color for bars according to background

diff --git a/src/barchart.cpp b/src/barchart.cpp
--- a/src/barchart.cpp
+++ b/src/barchart.cpp
@@ -33,6 +33,11 @@ void BarChart::resample()
     setSamples(chartData());
 }
 
+void BarChart::setBorderColor(QColor color)
+{
+    borderColor = color;
+}
+
 QVector<double> BarChart::chartData() const
 {
     unsigned numChannels = _channelMan->numOfChannels();
@@ -59,7 +64,9 @@ QwtColumnSymbol* BarChart::specialSymbol
     QwtColumnSymbol* symbol = new QwtColumnSymbol(QwtColumnSymbol::Box);
     symbol->setLineWidth(1);
     symbol->setFrameStyle(QwtColumnSymbol::Plain);
-    symbol->setPalette(QPalette(color));
+    QPalette pal(color);
+    pal.setColor(QPalette::Dark, borderColor);
+    symbol->setPalette(pal);
 
     return symbol;
 }
diff --git a/src/barchart.h b/src/barchart.h
--- a/src/barchart.h
+++ b/src/barchart.h
@@ -20,6 +20,7 @@
 #ifndef BARCHART_H
 #define BARCHART_H
 
+#include <QColor>
 #include <qwt_plot_barchart.h>
 #include <qwt_column_symbol.h>
 #include "channelmanager.h"
@@ -30,6 +31,8 @@ public:
     explicit BarChart(ChannelManager* channelMan);
 
     void resample();
+    void setBorderColor(QColor color);
+
     QwtColumnSymbol* specialSymbol(int sampleIndex, const QPointF&) const;
 
     void drawSample(
@@ -39,6 +42,7 @@ public:
 
 private:
     ChannelManager* _channelMan;
+    QColor borderColor;
 
     QVector<double> chartData() const;
 };
diff --git a/src/barplot.cpp b/src/barplot.cpp
--- a/src/barplot.cpp
+++ b/src/barplot.cpp
@@ -46,10 +46,12 @@ void BarPlot::darkBackground(bool enable
     if (enabled)
     {
         setCanvasBackground(QBrush(Qt::black));
+        barChart.setBorderColor(Qt::white);
     }
     else
     {
         setCanvasBackground(QBrush(Qt::white));
+        barChart.setBorderColor(Qt::black);
     }
     replot();
 }