cleanup AxesPanels

GUI/View/Setup/AxesPanel.cpp

@@ -165,34 +165,28 @@ void AxesPanel::updatePanel()
 
 void AxesPanel::updateAxesProperties()
 {
-    double step_factor = 0.005;
+    ASSERT(d2Item());
+
+    const double step_factor = 0.005;
     const int start_decimals = 4;
 
     // x axis
-    const double x_range =
-        std::abs(d2Item()->axItemX()->max().dVal() - d2Item()->axItemX()->min().dVal());
+    auto* aX = d2Item()->axItemX();
+    const double x_range = std::abs(aX->max().dVal() - aX->min().dVal());
     const int x_decimals = start_decimals - Numeric::orderOfMagnitude(x_range);
+    const double x_step = x_range * step_factor;
 
-    d2Item()->axItemX()->min().setUseFixedStep(true);
-    d2Item()->axItemX()->min().setStep(x_range * step_factor);
-    d2Item()->axItemX()->min().setDecimals(x_decimals);
-
-    d2Item()->axItemX()->max().setUseFixedStep(true);
-    d2Item()->axItemX()->max().setStep(x_range * step_factor);
-    d2Item()->axItemX()->max().setDecimals(x_decimals);
+    aX->min().setStepAndDecimals(true, x_step, x_decimals);
+    aX->max().setStepAndDecimals(true, x_step, x_decimals);
 
     // y axis
-    const double y_range =
-        std::abs(d2Item()->axItemY()->max().dVal() - d2Item()->axItemY()->min().dVal());
+    auto* aY = d2Item()->axItemY();
+    const double y_range = std::abs(aY->max().dVal() - aY->min().dVal());
     const int y_decimals = start_decimals - Numeric::orderOfMagnitude(y_range);
+    const double y_step = y_range * step_factor;
 
-    d2Item()->axItemY()->min().setUseFixedStep(true);
-    d2Item()->axItemY()->min().setStep(y_range * step_factor);
-    d2Item()->axItemY()->min().setDecimals(y_decimals);
-
-    d2Item()->axItemY()->max().setUseFixedStep(true);
-    d2Item()->axItemY()->max().setStep(y_range * step_factor);
-    d2Item()->axItemY()->max().setDecimals(y_decimals);
+    aY->min().setStepAndDecimals(true, y_step, y_decimals);
+    aY->max().setStepAndDecimals(true, y_step, y_decimals);
 }
 
 //  ************************************************************************************************

GUI/View/Setup/AxisPanel.cpp

@@ -129,21 +129,19 @@ void AxisPanel::updatePanel()
 
 void AxisPanel::updateAxesProperties()
 {
-    double step_factor = 0.005;
+    ASSERT(d1Item());
+
+    const double step_factor = 0.005;
     const int start_decimals = 4;
 
     // x axis
-    const double x_range =
-        std::abs(d1Item()->axItemX()->max().dVal() - d1Item()->axItemX()->min().dVal());
+    auto* aX = d1Item()->axItemX();
+    const double x_range = std::abs(aX->max().dVal() - aX->min().dVal());
     const int x_decimals = start_decimals - Numeric::orderOfMagnitude(x_range);
+    const double x_step = x_range * step_factor;
 
-    d1Item()->axItemX()->min().setUseFixedStep(true);
-    d1Item()->axItemX()->min().setStep(x_range * step_factor);
-    d1Item()->axItemX()->min().setDecimals(x_decimals);
-
-    d1Item()->axItemX()->max().setUseFixedStep(true);
-    d1Item()->axItemX()->max().setStep(x_range * step_factor);
-    d1Item()->axItemX()->max().setDecimals(x_decimals);
+    aX->min().setStepAndDecimals(true, x_step, x_decimals);
+    aX->max().setStepAndDecimals(true, x_step, x_decimals);
 }
 
 //  ************************************************************************************************

GUI/View/Setup/MasksPanel.cpp

@@ -179,13 +179,13 @@ void MasksPanel::updateMaskPresentationProperties(MaskItem* t)
     const int start_decimals = 4;
 
     // x axis
-    auto* aX = data2D->axItemX();
+    const auto* aX = data2D->axItemX();
     const double x_range = std::abs(aX->max().dVal() - aX->min().dVal());
     const int x_decimals = start_decimals - Numeric::orderOfMagnitude(x_range);
     const double x_step = x_range * step_factor;
 
     // y axis
-    auto* aY = data2D->axItemY();
+    const auto* aY = data2D->axItemY();
     const double y_range = std::abs(aY->max().dVal() - aY->min().dVal());
     const int y_decimals = start_decimals - Numeric::orderOfMagnitude(y_range);
     const double y_step = y_range * step_factor;