setRegion of RegionItem with option to account for log mode

src/gui_qt/data/point_select.py

@@ -177,7 +177,7 @@ class PointSelectWidget(QtWidgets.QWidget, Ui_Form):
                     it.setText(f'{pos[0]:.5g} - {pos[1]:.5g}')
                     self.peaktable.blockSignals(False)
                     it_pts.blockSignals(True)
-                    it_pts.setRegion(pos)
+                    it_pts.setRegion(pos, use_log=True)
                     it_pts.blockSignals(False)
                 undo = False
 

src/gui_qt/lib/pg_objects.py

@@ -376,6 +376,8 @@ class RegionItem(LinearRegionItem):
     def __init__(self, *args, **kwargs):
         self.mode = kwargs.pop('mode', 'half')
 
+        print(args, kwargs)
+
         super().__init__(*args, **kwargs)
 
         self.logmode = False
@@ -422,6 +424,15 @@ class RegionItem(LinearRegionItem):
         else:
             return region
 
+    def setRegion(self, region, use_log=False):
+        if self.logmode and use_log:
+            region = np.log10(region[0]), np.log10(region[1])
+
+        if not np.all(np.isfinite(region)):
+            raise ValueError(f'Invalid region limits ({region[0]}, {region[1]})')
+        else:
+            super().setRegion(region)
+
     def boundingRect(self):
         # overwrite to draw correct rect in logmode