[gnome-boxes] Properties: Allow properties to specify extra widget

[Alexander Larsson <alexl src gnome org>]

commit 8e9389bc9158743de263703a7d1a99c39eb2f31b
Author: Alexander Larsson <alexl redhat com>
Date:   Tue Oct 30 20:08:20 2012 +0100

    Properties: Allow properties to specify extra widget
    
    This extra widget will be placed on the row below the label
    and normal widget. Will be used for the ram/disk size
    widgets in the new design.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=678123

 src/i-properties-provider.vala |    9 +++++----
 src/properties.vala            |    9 +++++++++
 2 files changed, 14 insertions(+), 4 deletions(-)
---
diff --git a/src/i-properties-provider.vala b/src/i-properties-provider.vala
index a471133..61484fe 100644
--- a/src/i-properties-provider.vala
+++ b/src/i-properties-provider.vala
@@ -4,6 +4,7 @@ using Gtk;
 private class Boxes.Property: GLib.Object {
     public string description { get; construct set; }
     public Gtk.Widget widget { get; construct set; }
+    public Gtk.Widget? extra_widget { get; construct set; }
     public bool reboot_required { get; set; }
 
     public uint defer_interval { get; set; default = 1; } // In seconds
@@ -33,8 +34,8 @@ private class Boxes.Property: GLib.Object {
         }
     }
 
-    public Property (string description, Gtk.Widget widget) {
-        base (description: description, widget: widget);
+    public Property (string description, Gtk.Widget widget, Gtk.Widget? extra_widget) {
+        base (description: description, widget: widget, extra_widget: extra_widget);
     }
 
     public void flush () {
@@ -53,8 +54,8 @@ private delegate void PropertySizeChanged (Boxes.Property property, uint64 value
 private interface Boxes.IPropertiesProvider: GLib.Object {
     public abstract List<Boxes.Property> get_properties (Boxes.PropertiesPage page);
 
-    protected Boxes.Property add_property (ref List<Boxes.Property> list, string name, Widget widget) {
-        var property = new Property (name, widget);
+    protected Boxes.Property add_property (ref List<Boxes.Property> list, string name, Widget widget, Widget? extra_widget = null) {
+        var property = new Property (name, widget, extra_widget);
         list.append (property);
         return property;
     }
diff --git a/src/properties.vala b/src/properties.vala
index dba8744..d0d9b9f 100644
--- a/src/properties.vala
+++ b/src/properties.vala
@@ -110,6 +110,15 @@ private class Boxes.Properties: Boxes.UI {
                     var widget = property.widget;
                     widget.hexpand = true;
                     grid.attach (widget, 1, current_row, 1, 1);
+
+                    widget = property.extra_widget;
+                    if (widget != null) {
+                        current_row += 1;
+                        widget.margin_left = 25;
+                        widget.hexpand = true;
+                        grid.attach (widget, 0, current_row, 2, 1);
+                    }
+
                     property.notify["reboot-required"].connect (update_infobar);
                     current_row += 1;
                 }