[longomatch] Add a property to set the background color

[Andoni Morales Alastruey <amorales src gnome org>]

commit 1248e7cb4ed092b464f7d5371b708c08aa0d8ada
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Sat Nov 29 21:59:05 2014 +0100

    Add a property to set the background color

 LongoMatch.Drawing/Widgets/PositionTagger.cs |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/LongoMatch.Drawing/Widgets/PositionTagger.cs b/LongoMatch.Drawing/Widgets/PositionTagger.cs
index 3750fc4..90171e3 100644
--- a/LongoMatch.Drawing/Widgets/PositionTagger.cs
+++ b/LongoMatch.Drawing/Widgets/PositionTagger.cs
@@ -40,6 +40,7 @@ namespace LongoMatch.Drawing.Widgets
                        Accuracy = Constants.TAGGER_POINT_SIZE + 3;
                        EmitSignals = true;
                        SelectionMode = MultiSelectionMode.MultipleWithModifier;
+                       BackgroundColor = Config.Style.PaletteBackground;
                }
 
                public PositionTagger (IWidget widget, Project project, List<TimelineEvent> plays,
@@ -49,6 +50,12 @@ namespace LongoMatch.Drawing.Widgets
                        Background = background;
                        Plays = plays;
                        FieldPosition = position;
+                       BackgroundColor = Config.Style.PaletteBackground;
+               }
+
+               public Color BackgroundColor {
+                       set;
+                       get;
                }
 
                public Project Project {
@@ -180,7 +187,7 @@ namespace LongoMatch.Drawing.Widgets
                {
                        tk.Context = context;
                        tk.Begin ();
-                       tk.Clear (Config.Style.PaletteBackground);
+                       tk.Clear (BackgroundColor);
                        tk.End ();
                        base.Draw (context, area);
                }