Use main window background color in temp graph (should fix #359)

printrun/graph.py

@@ -22,14 +22,12 @@ from bufferedcanvas import *
 class Graph(BufferedCanvas):
     '''A class to show a Graph with Pronterface.'''
 
-    def __init__(self, parent, id, pos = wx.DefaultPosition,
+    def __init__(self, parent, id, root, pos = wx.DefaultPosition,
                  size = wx.Size(150, 80), style = 0):
         # Forcing a no full repaint to stop flickering
         style = style | wx.NO_FULL_REPAINT_ON_RESIZE
-        #call super function
         super(Graph, self).__init__(parent, id, pos, size, style)
-        #BufferedCanvas.__init__(self, parent, id)
-
+        self.root = root
 
         self.extruder0temps       = [0]
         self.extruder0targettemps = [0]
@@ -50,18 +48,10 @@ class Graph(BufferedCanvas):
 
         self._lastyvalue = 0
 
-        #self.sizer = wx.BoxSizer(wx.HORIZONTAL)
-        #self.sizer.Add(wx.Button(self, -1, "Button1", (0, 0)))
-        #self.SetSizer(self.sizer)
-
     def OnPaint(self, evt):
         dc = wx.PaintDC(self)
         gc = wx.GraphicsContext.Create(dc)
 
-    def Destroy(self):
-        #call the super method
-        super(wx.Panel, self).Destroy()
-
     def updateTemperatures(self, event):
         self.AddBedTemperature(self.bedtemps[-1])
         self.AddBedTargetTemperature(self.bedtargettemps[-1])
@@ -236,7 +226,7 @@ class Graph(BufferedCanvas):
         self.Refresh()
 
     def draw(self, dc, w, h):
-        dc.SetBackground(wx.Brush(wx.Colour(0,0,0,0)))
+        dc.SetBackground(wx.Brush(self.root.settings.bgcolor))
         dc.Clear()
         gc = wx.GraphicsContext.Create(dc)
         self.width = w

printrun/gui.py

@@ -188,7 +188,7 @@ class LeftPane(wx.GridBagSizer):
         else:
             self.Add(root.tempdisp, pos = (6, 0), span = (1, 6))
 
-        root.graph = Graph(root.panel, wx.ID_ANY)
+        root.graph = Graph(root.panel, wx.ID_ANY, root)
         self.Add(root.graph, pos = (4, 5), span = (2, 1))
 
 class VizPane(wx.BoxSizer):