Stab. Keep window's view box when changing variable.

src/uim/explouim.py

@@ -637,22 +637,23 @@ class ExploUim:
             self.stab_region_left.setRegion([x_min, x_1_third])
             self.stab_region_right.setRegion([x_2_third, x_max])
 
-            # Re-calculate the position of the left/right means
-            self.__update_region_characteristics__(self.stab_region_left, "left")
-            self.__update_region_characteristics__(self.stab_region_right, "right")
-
             # X range is the same as main window's plot X range
+            self.stab_plot_item.getViewBox().disableAutoRange()
             self.stab_plot_item.getViewBox().setXRange(min=main_range[0][0],
                                                        max=main_range[0][1],
                                                        padding=0)
+
         # Otherwise, the function is executed due to a variable change --> keep current viewbox and regions settings.
         else:
             pass
-
         self.stab_plot_item.getViewBox().setYRange(min=self.stab_timeseries["value"].min(),
                                                    max=self.stab_timeseries["value"].max(),
                                                    padding=0)
 
+        # Re-calculate the position of the left/right means
+        self.__update_region_characteristics__(self.stab_region_left, "left")
+        self.__update_region_characteristics__(self.stab_region_right, "right")
+
     def __update_region_characteristics__(self, region: pg.LinearRegionItem, side: str):
         df = self.stab_timeseries.copy()
 
@@ -666,8 +667,23 @@ class ExploUim:
         # Compute x_value's average and standard deviation over the selected region.
         mean = inside_values.mean()
         sd = inside_values.std()
+
+        # Hide InfiniteLines if it is not possible to calculate any region's average.
         if math.isnan(mean):
+            self.stab_high_hline.hide()
+            self.stab_low_hline.hide()
+            self.stab_high_vline.hide()
+            self.stab_low_vline.hide()
+            self.stab_left_mean_line.hide()
+            self.stab_right_mean_line.hide()
             return
+        else:
+            self.stab_high_hline.show()
+            self.stab_low_hline.show()
+            self.stab_high_vline.show()
+            self.stab_low_vline.show()
+            self.stab_left_mean_line.show()
+            self.stab_right_mean_line.show()
 
         # Update UI's text zones
         getattr(self.stab_window.ui, "stab_lineedit_"+side+"_mean").setText("{:.3f}".format(mean))