[mistelix] Fixes custom DVD menu image background selection

[Jordi Mas <jmas src gnome org>]

commit 371e260400133b720f55116150684b84094993d2
Author: Jordi Mas <jmas softcatala org>
Date:   Fri May 29 17:04:10 2009 +0200

    Fixes custom DVD menu image background selection
---
 src/core/DvdMenu.cs                 |    2 +-
 src/dialogs/ThemeSelectionDialog.cs |   20 +++++++++++++++++---
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/src/core/DvdMenu.cs b/src/core/DvdMenu.cs
index 9305c5d..51c6943 100644
--- a/src/core/DvdMenu.cs
+++ b/src/core/DvdMenu.cs
@@ -111,7 +111,7 @@ namespace Mistelix.Core
 			}
 
 			try {
-				if (project.Details.CustomMenuBackground != null)
+				if (string.IsNullOrEmpty (project.Details.CustomMenuBackground) == false)
 					im = new Gdk.Pixbuf (project.Details.CustomMenuBackground);
 
 			}
diff --git a/src/dialogs/ThemeSelectionDialog.cs b/src/dialogs/ThemeSelectionDialog.cs
index e9e07fd..cde0020 100644
--- a/src/dialogs/ThemeSelectionDialog.cs
+++ b/src/dialogs/ThemeSelectionDialog.cs
@@ -90,10 +90,12 @@ namespace Mistelix.Dialogs
 					}
 
 					try {
-						if (custom_menubackground != null)
+						if (string.IsNullOrEmpty (custom_menubackground) == false)
 							im = new Gdk.Pixbuf (custom_menubackground);
 					}
-					catch { }
+					catch {
+						Logger.Error ("MenuBackgroundPreview.OnExposeEvent. Error loading {0}", custom_menubackground);
+					}
 			
 					try {
 						if (im == null)
@@ -208,10 +210,22 @@ namespace Mistelix.Dialogs
 			selectbutton_drawing_area = new ButtonPreview (project);
 			highlightbutton_drawing_area = new ButtonPreview (project);
 
-			browse_file = new BrowseFile (file_hbox, Mistelix.Preferences.GetStringValue (Preferences.ImagesDirectoryKey), true);
+			browse_file = new BrowseFile (file_hbox, project.Details.CustomMenuBackground, true);
+			browse_file.DefaultDirectory = Mistelix.Preferences.GetStringValue (Preferences.ImagesDirectoryKey);
+			menu_drawing_area.CustomMenuBackground = project.Details.CustomMenuBackground;
 
 			color = author_label.Style.Background (StateType.Normal);
 			textview.ModifyBase (Gtk.StateType.Normal, color);
+	
+			Gtk.Button clean_button = new Gtk.Button (Catalog.GetString ("Clean"));
+			clean_button.Clicked += delegate 
+			{
+				browse_file.Filename = null;
+				menu_drawing_area.CustomMenuBackground = null; 
+			};
+
+			file_hbox.Add (clean_button);
+			file_hbox.ShowAll ();
 			
 			PrepareTree ();
 			backpreview_box.Add (menu_drawing_area);