FitComparisonWidget1D: common range

GUI/View/PlotComparison/FitComparisonWidget1D.cpp

@@ -18,6 +18,7 @@
 #include "GUI/View/PlotComparison/FitComparisonWidget1D.h"
 #include "GUI/View/PlotComparison/FitFlowWidget.h"
 #include "GUI/View/PlotUtil/PlotStatusLabel.h"
+#include "GUI/View/PlotUtil/RangeUtils.h"
 #include "GUI/View/PlotSpecular/SpecularDataPropertyWidget.h"
 #include "GUI/View/PlotSpecular/SpecularPlotCanvas.h"
 #include "GUI/View/PlotSpecular/SpecularPlot.h"
@@ -75,11 +76,16 @@ FitComparisonWidget1D::FitComparisonWidget1D(QWidget* parent)
 
 void FitComparisonWidget1D::setJobOrRealItem(JobRealBase* job_item)
 {
+    JobItem* oldJob = jobItem();
+
     DataAccessWidget::setJobOrRealItem(job_item);
     ASSERT(jobItem());
 
     updateDiffData();
-    connectItems();
+    if(oldJob != jobItem()) {
+        GUI::View::RangeUtils::setCommonRangeY(mainSpecularDataItems());
+        connectItems();
+    }
 
     m_data_canvas->setSpecularItems({simuSpecularDataItem(),
                                      realSpecularDataItem()});
@@ -99,6 +105,9 @@ void FitComparisonWidget1D::onResetViewAction()
     simuSpecularDataItem()->resetView();
     realSpecularDataItem()->resetView();
     diffSpecularDataItem()->resetView();
+
+    // synchronize data range between simulated and real
+    GUI::View::RangeUtils::setCommonRangeY(mainSpecularDataItems());
 }
 
 void FitComparisonWidget1D::connectItems()