[banshee] MediaPanel.HeaderBox: Fix coordinates calculations for drawing

[Bertrand Lorentz <blorentz src gnome org>]

commit 62fffeceaed5fdb71981511d742c1521ea6d474c
Author: Bertrand Lorentz <bertrand lorentz gmail com>
Date:   Sat Oct 19 21:51:56 2013 +0200

    MediaPanel.HeaderBox: Fix coordinates calculations for drawing
    
    The Cairo.Context we now get comes from the OnDrawn event, so it is set
    up for widget coordinates, and not windows coordinates as before. So we
    need to update the various coordinates calculations to take that into
    account.

 .../Banshee.MediaPanel/HeaderBox.cs                |   34 ++++++-------------
 1 files changed, 11 insertions(+), 23 deletions(-)
---
diff --git a/src/Extensions/Banshee.MediaPanel/Banshee.MediaPanel/HeaderBox.cs 
b/src/Extensions/Banshee.MediaPanel/Banshee.MediaPanel/HeaderBox.cs
index 1f8156b..c9d63bc 100644
--- a/src/Extensions/Banshee.MediaPanel/Banshee.MediaPanel/HeaderBox.cs
+++ b/src/Extensions/Banshee.MediaPanel/Banshee.MediaPanel/HeaderBox.cs
@@ -112,9 +112,7 @@ namespace Banshee.MediaPanel
         private void RenderBackground (Cairo.Context cr)
         {
             // Box background
-            CairoExtensions.RoundedRectangle (cr,
-                Allocation.X,
-                Allocation.Y,
+            CairoExtensions.RoundedRectangle (cr, 0, 0,
                 Allocation.Width,
                 Allocation.Height,
                 3);
@@ -124,8 +122,8 @@ namespace Banshee.MediaPanel
             // Box border
             cr.LineWidth = 1.0;
             CairoExtensions.RoundedRectangle (cr,
-                Allocation.X + 0.5,
-                Allocation.Y + 0.5,
+                0.5,
+                0.5,
                 Allocation.Width - 1,
                 Allocation.Height - 1,
                 3);
@@ -133,9 +131,7 @@ namespace Banshee.MediaPanel
             cr.Stroke ();
 
             // Box header background
-            CairoExtensions.RoundedRectangle (cr,
-                Allocation.X + 3,
-                Allocation.Y + 3,
+            CairoExtensions.RoundedRectangle (cr, 3, 3,
                 Allocation.Width - 6,
                 header.Allocation.Height + 3,
                 2, CairoCorners.TopLeft | CairoCorners.TopRight);
@@ -152,9 +148,8 @@ namespace Banshee.MediaPanel
                 }
 
                 if ((flags & HighlightFlags.Background) != 0) {
-                    cr.Rectangle (
-                        Allocation.X + 3,
-                        widget.Allocation.Y - Spacing + 2,
+                    cr.Rectangle (3,
+                        widget.Allocation.Y - Allocation.Y - Spacing + 2,
                         Allocation.Width - 6,
                         widget.Allocation.Height + Spacing + 2);
                     cr.SetSourceColor (CairoExtensions.RgbToColor (0xf6f6f6));
@@ -165,22 +160,15 @@ namespace Banshee.MediaPanel
                 cr.SetSourceColor (CairoExtensions.RgbToColor (0x8f8f8f));
 
                 if ((flags & HighlightFlags.TopLine) != 0) {
-                    cr.MoveTo (
-                        Allocation.X + 0.5,
-                        widget.Allocation.Y + 0.5);
-                    cr.LineTo (
-                        Allocation.X + Allocation.Width - 1,
-                        widget.Allocation.Y + 0.5);
+                    double y = widget.Allocation.Y - Allocation.Y + 0.5;
+                    cr.MoveTo (0.5, y);
+                    cr.LineTo (Allocation.Width - 1, y);
                     cr.Stroke ();
                 }
 
                 if ((flags & HighlightFlags.BottomLine) != 0) {
-                    cr.MoveTo (
-                        Allocation.X + 0.5,
-                        widget.Allocation.Y + widget.Allocation.Height + 0.5);
-                    cr.LineTo (
-                        Allocation.X + Allocation.Width - 1,
-                        widget.Allocation.Y + widget.Allocation.Height + 0.5);
+                    cr.MoveTo (0.5, widget.Allocation.Y - Allocation.Y + widget.Allocation.Height + 0.5);
+                    cr.LineTo (Allocation.Width - 1, widget.Allocation.Y - Allocation.Y + 
widget.Allocation.Height + 0.5);
                     cr.Stroke ();
                 }
             }