# HG changeset patch
# User Hasan Yavuz ÖZDERYA <hy@ozderya.net>
# Date 2017-10-25 14:35:25
# Node ID da1c905338e1ec75235a89aacb4ea98ebb5dc6f9
# Parent  c9828daaa5699b334fd3d8d03d96ba4842a41757

set y axis of bar plot

diff --git a/src/barplot.cpp b/src/barplot.cpp
--- a/src/barplot.cpp
+++ b/src/barplot.cpp
@@ -40,3 +40,15 @@ void BarPlot::update()
     barChart.resample();
     replot();
 }
+
+void BarPlot::setYAxis(bool autoScaled, double yMin, double yMax)
+{
+    if (autoScaled)
+    {
+        setAxisAutoScale(QwtPlot::yLeft);
+    }
+    else
+    {
+        setAxisScale(QwtPlot::yLeft, yMin, yMax);
+    }
+}
diff --git a/src/barplot.h b/src/barplot.h
--- a/src/barplot.h
+++ b/src/barplot.h
@@ -32,6 +32,10 @@ class BarPlot : public QwtPlot
 public:
     explicit BarPlot(ChannelManager* channelMan, QWidget* parent = 0);
 
+public slots:
+    /// Set the Y axis
+    void setYAxis(bool autoScaled, double yMin = 0, double yMax = 1);
+
 private:
     ChannelManager* _channelMan;
     BarChart barChart;
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -155,6 +155,10 @@ MainWindow::MainWindow(QWidget *parent) 
     connect(&plotControlPanel, &PlotControlPanel::plotWidthChanged,
             plotMan, &PlotManager::setPlotWidth);
 
+    // secondary (bar) plot signals
+    connect(&plotControlPanel, &PlotControlPanel::yScaleChanged,
+            &barPlot, &BarPlot::setYAxis);
+
     QObject::connect(ui->actionClear, SIGNAL(triggered(bool)),
                      this, SLOT(clearPlot()));