style: изменил расположение слоев. поменял цвета

src/gui/plotter.py

@@ -121,6 +121,7 @@ class PlotWidget(BasePlotWidget):
                 start_t, end_t = point_events[stage]
                 region = self._create_stage_region(stage, start_t, end_t, transparency)
                 if region is not None:
+                    region.setZValue(-20)
                     plot_widget.addItem(region)
 
     def _add_ideal_stage_regions(self,
@@ -138,6 +139,7 @@ class PlotWidget(BasePlotWidget):
             end_t = start_t + ideal_timings[i]
             region = self._create_stage_region(stage, start_t, end_t, transparency)
             if region:
+                region.setZValue(-10)
                 plot_widget.addItem(region)
 
     def _add_ideal_signals(self,
@@ -157,6 +159,7 @@ class PlotWidget(BasePlotWidget):
                     point_events[stage][1]
                 )
                 if curve:
+                    curve.setZValue(10)
                     plot_widget.addItem(curve)
 
     def _add_real_signals(self,
@@ -171,6 +174,7 @@ class PlotWidget(BasePlotWidget):
         for signal in real_signals:
             if signal["name"] in dataframe_headers:
                 plot = plot_widget.plot(dataframe["time"], dataframe[signal["name"]], pen=signal["pen"], fast=True)
+                plot.setZValue(0)
                 legend.addItem(plot, signal["name"])
 
     def _add_performance_label(self,
@@ -273,8 +277,9 @@ class PlotWidget(BasePlotWidget):
                     dy = useful_p_data["thickness"]*1000
 
                     rect_item = QGraphicsRectItem(x1, y1, dx, dy)
-                    rect_item.setBrush(pg.mkBrush('blue'))
-                    rect_item.setPen(pg.mkPen('red', width=2))
+                    rect_item.setZValue(-5)
+                    rect_item.setBrush(pg.mkBrush('grey'))
+                    rect_item.setPen(pg.mkPen('black', width=3))
                     plot_widget.addItem(rect_item)
 
                 # Добавляем идеальные стадии и идеальные сигналы