customize legend style

grum/mdi/mdisubplot.py

@@ -1,6 +1,6 @@
 import pyqtgraph as pg
 from .mdisubwin import MDISubWindow
-from ..theme import pg_plot_style, pg_plot_style_cycler
+from ..theme import pg_plot_style, pg_plot_style_cycler, pg_legend_style
 
 
 class MDISubPlot(MDISubWindow):
@@ -22,10 +22,11 @@ class MDISubMultiPlot(MDISubWindow):
         name = " | ".join(names)
         super().__init__(name, *args, **kwargs)
 
+        ls = pg_legend_style()
         psc = pg_plot_style_cycler()
 
         plt = pg.PlotWidget()
-        plt.addLegend()
+        plt.addLegend(**ls)
         self.plots = [d.make_plot(plt, s) for d, s in zip(descs, psc)]
         self.setWidget(plt)
 

grum/theme.py

@@ -113,4 +113,12 @@ def pg_plot_style_cycler(colors=LINE_COLORS):
     return cycle(line_styles)
 
 
+def pg_legend_style():
+    style = dict(
+        brush = GREY0,
+        pen = WHITE
+    )
+    return style
+
+