StackedFrames no need for EmptyFrame, use index -1

GUI/View/Frame/StackedFrames.cpp

@@ -22,22 +22,11 @@
 #include "GUI/View/Frame/Plot1DFrame.h"
 #include "GUI/View/Frame/Plot2DFrame.h"
 
-namespace {
-
-class EmptyFrame : public QWidget {
-private:
-    void showEvent(QShowEvent*) override {}
-};
-
-} // namespace
-
-
 StackedDataFrames::StackedDataFrames()
 {
     setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
     setMinimumSize(500, 600);
 
-    addWidget(new ::EmptyFrame);
     addWidget(new Plot1DFrame);
     addWidget(new Plot2DFrame);
     setCurrentIndex(0);
@@ -50,9 +39,9 @@ StackedDataFrames::StackedDataFrames()
 void StackedDataFrames::showCurrentFrame()
 {
     if (const DatafileItem* dfi = gDoc->datafiles()->currentItem())
-        setCurrentIndex(dfi->rank());
+        setCurrentIndex(dfi->rank() - 1);
     else
-        setCurrentIndex(0);
+        setCurrentIndex(-1);
 }
 
 
@@ -61,7 +50,6 @@ StackedJobFrames::StackedJobFrames()
     setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
     setMinimumSize(500, 600);
 
-    addWidget(new ::EmptyFrame);
     addWidget(new Plot1DFrame);
     addWidget(new Plot2DFrame);
     addWidget(new Fit1DFrame);
@@ -77,7 +65,7 @@ void StackedJobFrames::showCurrentFrame()
 {
     if (const JobItem* ji = gDoc->jobs()->currentItem()) {
         const int offset = ji->isValidForFitting() ? 2 : 0;
-        setCurrentIndex(offset + ji->rank());
+        setCurrentIndex(offset + ji->rank() - 1);
     } else
-        setCurrentIndex(0);
+        setCurrentIndex(-1);
 }