Hide existing level line markers on startup

piker/ui/_annotate.py

@@ -167,7 +167,6 @@ class LevelMarker(QGraphicsPathItem):
 
         '''
         level = self.get_level()
-
         view = self.chart.getViewBox()
         vr = view.state['viewRange']
         ymn, ymx = vr[1]

piker/ui/_editors.py

@@ -183,6 +183,7 @@ class LineEditor(Struct):
         if lines:
             for line in lines:
                 line.show_labels()
+                line.hide_markers()
                 log.debug(f'Level active for level: {line.value()}')
                 # TODO: other flashy things to indicate the order is active
 

piker/ui/order_mode.py

@@ -237,7 +237,7 @@ class OrderMode:
         lines: list[LevelLine] = []
         for chart, kwargs in [
             (self.chart, {}),
-            (self.hist_chart, {'only_show_markers_on_hover': False}),
+            (self.hist_chart, {'only_show_markers_on_hover': True}),
         ]:
             kwargs.update(line_kwargs)
             line = self.line_from_order(
@@ -304,13 +304,16 @@ class OrderMode:
             order,
             chart=chart,
             show_markers=True,
+
             # just for the stage line to avoid
             # flickering while moving the cursor
             # around where it might trigger highlight
             # then non-highlight depending on sensitivity
             always_show_labels=True,
+
             # don't highlight the "staging" line
             highlight_on_hover=False,
+
             # prevent flickering of marker while moving/tracking cursor
             only_show_markers_on_hover=False,
         )