no need to use QCP for ranges

GUI/View/Plotter/RangeUtil.cpp

@@ -16,7 +16,7 @@
 #include "GUI/Model/Axis/AmplitudeAxisItem.h"
 #include "GUI/Model/Data/Data1DItem.h"
 #include "GUI/Model/Data/Data2DItem.h"
-#include <qcustomplot.h>
+#include <utility>
 
 namespace {
 
@@ -38,7 +38,7 @@ double commonMax(const QList<AmplitudeAxisItem*>& axes)
     return max;
 }
 
-QCPRange commonRange(const QList<AmplitudeAxisItem*>& axes)
+std::pair<double, double> commonRange(const QList<AmplitudeAxisItem*>& axes)
 {
     return {commonMin(axes), commonMax(axes)};
 }
@@ -63,14 +63,14 @@ QList<AmplitudeAxisItem*> valueAxesFromData2DItems(const QList<Data2DItem*>& ite
 
 void GUI::View::RangeUtil::setCommonRangeY(QList<Data1DItem*> items)
 {
-    QCPRange range = commonRange(valueAxesFromData1DItems(items));
+    std::pair<double, double> range = commonRange(valueAxesFromData1DItems(items));
     for (auto* item : items)
-        item->setYrange(range.lower, range.upper);
+        item->setYrange(range.first, range.second);
 }
 
 void GUI::View::RangeUtil::setCommonRangeZ(QList<Data2DItem*> items)
 {
-    QCPRange range = commonRange(valueAxesFromData2DItems(items));
+    std::pair<double, double> range = commonRange(valueAxesFromData2DItems(items));
     for (auto* item : items)
-        item->setZrange(range.lower, range.upper);
+        item->setZrange(range.first, range.second);
 }