[gnome-builder] add GbView:modified property

[Christian Hergert <chergert src gnome org>]

commit f307d0881189c8fec6abc4c21975d4daa32fbc76
Author: Christian Hergert <christian hergert me>
Date:   Sat Mar 21 15:09:09 2015 -0700

    add GbView:modified property
    
    this is primary a proxy from the underlying document, but it helps so that
    UI code doesn't need to attach/detacth when documents "may" be changed
    out from under them.

 src/views/gb-view.c |   25 +++++++++++++++++++++++++
 src/views/gb-view.h |    2 ++
 2 files changed, 27 insertions(+), 0 deletions(-)
---
diff --git a/src/views/gb-view.c b/src/views/gb-view.c
index 12ad936..6d4e08c 100644
--- a/src/views/gb-view.c
+++ b/src/views/gb-view.c
@@ -35,6 +35,7 @@ enum {
   PROP_0,
   PROP_CAN_SPLIT,
   PROP_DOCUMENT,
+  PROP_MODIFIED,
   PROP_TITLE,
   LAST_PROP
 };
@@ -188,6 +189,17 @@ gb_view_navigate_to (GbView            *self,
     GB_VIEW_GET_CLASS (self)->navigate_to (self, location);
 }
 
+gboolean
+gb_view_get_modified (GbView *self)
+{
+  g_return_val_if_fail (GB_IS_VIEW (self), FALSE);
+
+  if (GB_VIEW_GET_CLASS (self)->get_modified)
+    return GB_VIEW_GET_CLASS (self)->get_modified (self);
+
+  return FALSE;
+}
+
 static void
 gb_view_destroy (GtkWidget *widget)
 {
@@ -217,6 +229,10 @@ gb_view_get_property (GObject    *object,
       g_value_set_object (value, gb_view_get_document (self));
       break;
 
+    case PROP_MODIFIED:
+      g_value_set_boolean (value, gb_view_get_modified (self));
+      break;
+
     case PROP_TITLE:
       g_value_set_string (value, gb_view_get_title (self));
       break;
@@ -253,6 +269,15 @@ gb_view_class_init (GbViewClass *klass)
                          (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
   g_object_class_install_property (object_class, PROP_DOCUMENT, gParamSpecs [PROP_DOCUMENT]);
 
+  gParamSpecs [PROP_MODIFIED] =
+    g_param_spec_boolean ("modified",
+                          _("Modified"),
+                          _("If the document has been modified."),
+                          FALSE,
+                          (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+  g_object_class_install_property (object_class, PROP_MODIFIED,
+                                   gParamSpecs [PROP_MODIFIED]);
+
   gParamSpecs [PROP_TITLE] =
     g_param_spec_string ("title",
                          _("Title"),
diff --git a/src/views/gb-view.h b/src/views/gb-view.h
index ecdb7a7..9e3647d 100644
--- a/src/views/gb-view.h
+++ b/src/views/gb-view.h
@@ -37,6 +37,7 @@ struct _GbViewClass
   gboolean     (*get_can_preview)       (GbView             *self);
   gboolean     (*get_can_split)         (GbView             *self);
   GbDocument  *(*get_document)          (GbView             *self);
+  gboolean     (*get_modified)          (GbView             *self);
   const gchar *(*get_title)             (GbView             *self);
   GbView      *(*create_split)          (GbView             *self);
   void         (*set_split_view)        (GbView             *self,
@@ -53,6 +54,7 @@ gboolean     gb_view_get_can_split         (GbView             *self);
 GbDocument  *gb_view_get_document          (GbView             *self);
 const gchar *gb_view_get_title             (GbView             *self);
 GtkWidget   *gb_view_get_controls          (GbView             *self);
+gboolean     gb_view_get_modified          (GbView             *self);
 void         gb_view_set_split_view        (GbView             *self,
                                             gboolean            split_view);
 void         gb_view_set_back_forward_list (GbView             *self,