theoretical ratio histogram added

src/gui/xic_view/xic_box/xic_box.ui

@@ -10,6 +10,12 @@
     <height>300</height>
    </rect>
   </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="MinimumExpanding" vsizetype="Preferred">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
   <property name="windowTitle">
    <string>Form</string>
   </property>
@@ -93,7 +99,51 @@
     </widget>
    </item>
    <item>
-    <widget class="pappso::XicWidget" name="xic_widget" native="true"/>
+    <widget class="QWidget" name="widget_2" native="true">
+     <layout class="QHBoxLayout" name="horizontalLayout">
+      <property name="spacing">
+       <number>0</number>
+      </property>
+      <property name="leftMargin">
+       <number>0</number>
+      </property>
+      <property name="topMargin">
+       <number>0</number>
+      </property>
+      <property name="rightMargin">
+       <number>0</number>
+      </property>
+      <property name="bottomMargin">
+       <number>0</number>
+      </property>
+      <item>
+       <widget class="pappso::XicWidget" name="xic_widget" native="true">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QCustomPlot" name="histo_widget" native="true">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="minimumSize">
+         <size>
+          <width>200</width>
+          <height>0</height>
+         </size>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
    </item>
   </layout>
  </widget>
@@ -104,6 +154,12 @@
    <header>pappsomspp/widget/xicwidget/xicwidget.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>QCustomPlot</class>
+   <extends>QWidget</extends>
+   <header>qcustomplot.h</header>
+   <container>1</container>
+  </customwidget>
  </customwidgets>
  <resources/>
  <connections>

src/gui/xic_view/xic_box/xicbox.cpp

@@ -34,6 +34,7 @@
 #include "../../project_view/projectwindow.h"
 #include <pappsomspp/xic/detection/xicdetectionzivy.h>
 #include <pappsomspp/exception/exceptionnotpossible.h>
+#include <qcustomplot.h>
 
 
 
@@ -193,7 +194,47 @@ void XicBox::setIsotopeMassList(std::vector<pappso::PeptideNaturalIsotopeAverage
     }
     emit loadXic(_p_peptide_evidence->getMsRunP(), mass_list, _p_xic_window->getXicExtractPrecision(), XicExtractMethod::max);
 
+    //histogram
+    QCPBars * theoretical_ratio = new QCPBars(ui->histo_widget->xAxis, ui->histo_widget->yAxis);
+    theoretical_ratio->setName("theoretical ratio");
+    ui->histo_widget->xAxis->setLabel("isotopes");
+    ui->histo_widget->yAxis->setLabel("intensity");
 
+    QVector<double> theoretical_ratio_data;
+
+    QVector<double> ticks;
+    QVector<QString> labels;
+    int i = 0;
+    for (pappso::PeptideNaturalIsotopeAverageSp & natural_isotope_average: _isotope_mass_list) {
+        theoretical_ratio_data << natural_isotope_average.get()->getIntensityRatio();
+        QString isotope_name = QString("+%1").arg(_isotope_mass_list[i].get()->getIsotopeNumber());
+        if (_isotope_mass_list[i].get()->getIsotopeRank() > 1) {
+            isotope_name = QString("+%1 [%2]").arg(_isotope_mass_list[i].get()->getIsotopeNumber()).arg(_isotope_mass_list[i].get()->getIsotopeRank());
+        }
+        isotope_name.append(QString(" (%1%)").arg((int) (_isotope_mass_list[i].get()->getIntensityRatio()*100)));
+        labels << isotope_name;
+        ticks << i;
+        i++;
+    }
+    //QSharedPointer<QCPAxisTickerText> textTicker(new QCPAxisTickerText);
+    //textTicker->addTicks(ticks, labels);
+    //ui->histo_widget->xAxis->setTicker(textTicker);
+    ui->histo_widget->xAxis->setTickLabelRotation(60);
+    //ui->histo_widget->xAxis->setSubTicks(false);
+    //ui->histo_widget->xAxis->setTickLength(0, 4);
+    //ui->histo_widget->xAxis->setRange(0, 8);
+
+    ui->histo_widget->xAxis->setAutoTickStep(false);   // <-- disable to use your own value
+
+    ui->histo_widget->xAxis->setTickStep(1);
+
+
+    theoretical_ratio->setData(ticks, theoretical_ratio_data);
+
+
+    ui->histo_widget->yAxis->setRange(0, 1);
+    ui->histo_widget->xAxis->setRange(-0.8, _isotope_mass_list.size());
+    ui->histo_widget->replot();
 }