# HG changeset patch
# User Hasan Yavuz ÖZDERYA <hy@ozderya.net>
# Date 2017-10-05 08:52:44
# Node ID c901d5cbc09354f54c08e2a8cd765124bbf3b0a2
# Parent  9d8238733ad551d914ddb5002f6dcd61cb9be133

slight code reduction

diff --git a/src/barplot.cpp b/src/barplot.cpp
--- a/src/barplot.cpp
+++ b/src/barplot.cpp
@@ -31,13 +31,11 @@ BarPlot::BarPlot(ChannelManager* channel
     update();
     connect(_channelMan, &ChannelManager::dataAdded, this, &BarPlot::update);
     connect(_channelMan, &ChannelManager::numOfChannelsChanged, this, &BarPlot::update);
-    connect(_channelMan, &ChannelManager::channelNameChanged, this, &BarPlot::update);
 }
 
 void BarPlot::update()
 {
     setAxisScale(QwtPlot::xBottom, 0, _channelMan->numOfChannels(), 1);
-    static_cast<BarScaleDraw*>(axisScaleDraw(QwtPlot::xBottom))->updateLabels();
     barChart.resample();
     replot();
 }
diff --git a/src/barscaledraw.cpp b/src/barscaledraw.cpp
--- a/src/barscaledraw.cpp
+++ b/src/barscaledraw.cpp
@@ -27,6 +27,12 @@ BarScaleDraw::BarScaleDraw(ChannelManage
     enableComponent(Backbone, false);
     setLabelRotation(-90);
     setLabelAlignment(Qt::AlignLeft | Qt::AlignVCenter);
+
+    QObject::connect(_channelMan, &ChannelManager::channelNameChanged,
+            [this]()
+            {
+                invalidateCache();
+            });
 }
 
 QwtText BarScaleDraw::label(double value) const
@@ -34,8 +40,6 @@ QwtText BarScaleDraw::label(double value
     int index = value;
     unsigned numChannels = _channelMan->numOfChannels();
 
-    qDebug() << index;
-
     if (index >=0 && index < (int) numChannels)
     {
         return _channelMan->channelName(index);
@@ -45,8 +49,3 @@ QwtText BarScaleDraw::label(double value
         return QString("");
     }
 }
-
-void BarScaleDraw::updateLabels()
-{
-    invalidateCache();
-}
diff --git a/src/barscaledraw.h b/src/barscaledraw.h
--- a/src/barscaledraw.h
+++ b/src/barscaledraw.h
@@ -32,9 +32,6 @@ public:
     explicit BarScaleDraw(ChannelManager* channelMan);
     QwtText label(double value) const;
 
-public slots:
-    void updateLabels();
-
 private:
     ChannelManager* _channelMan;
 };