[gnome-boxes] property: Add 'description_alignment' property

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit e1f0cfcfeddd167c56dfc4350bece03ba666fa59
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Thu Feb 5 20:45:18 2015 +0000

    property: Add 'description_alignment' property
    
    Instead of hardcoding alignment for all descriptions, lets make it
    possible for property providers to change it.

 src/i-properties-provider.vala  |    1 +
 src/properties-page-widget.vala |    2 +-
 2 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/i-properties-provider.vala b/src/i-properties-provider.vala
index 17b61a9..b45bb0b 100644
--- a/src/i-properties-provider.vala
+++ b/src/i-properties-provider.vala
@@ -6,6 +6,7 @@ private class Boxes.Property: GLib.Object {
     public Gtk.Widget widget { get; construct set; }
     public Gtk.Widget? extra_widget { get; construct set; }
     public bool reboot_required { get; set; }
+    public Gtk.Align description_alignment { get; set; default = Gtk.Align.END; }
 
     public signal void refresh_properties ();
     public signal void flushed ();
diff --git a/src/properties-page-widget.vala b/src/properties-page-widget.vala
index fce2444..4774daa 100644
--- a/src/properties-page-widget.vala
+++ b/src/properties-page-widget.vala
@@ -52,7 +52,7 @@ private class Boxes.PropertiesPageWidget: Gtk.Box {
                 if (property.description != null) {
                     var label_name = new Gtk.Label (property.description);
                     label_name.get_style_context ().add_class ("boxes-property-name-label");
-                    label_name.halign = Gtk.Align.END;
+                    label_name.halign = property.description_alignment;
                     label_name.hexpand = false;
                     grid.attach (label_name, 0, current_row, 1, 1);
                     var widget = property.widget;