[gitg] Show ahead/behind in refs list

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 316d46c3cec7822168d08b7902cbf8c73027b5d6
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Sat Aug 22 14:06:11 2015 +0200

    Show ahead/behind in refs list

 gitg/history/gitg-history-refs-list.vala  |   37 +++++++++++++++++++++++++++++
 gitg/resources/ui/gitg-history-ref-row.ui |   16 +++++++++++-
 2 files changed, 52 insertions(+), 1 deletions(-)
---
diff --git a/gitg/history/gitg-history-refs-list.vala b/gitg/history/gitg-history-refs-list.vala
index a0249d9..25073c4 100644
--- a/gitg/history/gitg-history-refs-list.vala
+++ b/gitg/history/gitg-history-refs-list.vala
@@ -66,6 +66,9 @@ private class RefRow : RefTyped, Gtk.ListBoxRow
        private Gtk.Label d_label;
 
        [GtkChild]
+       private Gtk.Label d_ahead_behind;
+
+       [GtkChild]
        private Gtk.Box d_box;
 
        [GtkChild]
@@ -138,6 +141,40 @@ private class RefRow : RefTyped, Gtk.ListBoxRow
                }
 
                d_revealer.notify["child-revealed"].connect(on_child_revealed);
+
+               if (reference != null && reference.is_branch())
+               {
+                       var branch = reference as Gitg.Branch;
+
+                       try
+                       {
+                               var upstream = branch.get_upstream();
+
+                               size_t ahead = 0;
+                               size_t behind = 0;
+
+                               reference.get_owner().get_ahead_behind(reference.resolve().get_target(),
+                                                                      upstream.resolve().get_target(),
+                                                                      out ahead,
+                                                                      out behind);
+
+                               if (ahead != 0 || behind != 0)
+                               {
+                                       if (ahead != 0 && behind != 0)
+                                       {
+                                               d_ahead_behind.label = _("%d ahead, %d behind").printf(ahead, 
behind);
+                                       }
+                                       else if (ahead != 0)
+                                       {
+                                               d_ahead_behind.label = _("%d ahead").printf(ahead);
+                                       }
+                                       else
+                                       {
+                                               d_ahead_behind.label = _("%d behind").printf(behind);
+                                       }
+                               }
+                       } catch {}
+               }
        }
 
        public Ggit.Signature? updated
diff --git a/gitg/resources/ui/gitg-history-ref-row.ui b/gitg/resources/ui/gitg-history-ref-row.ui
index da434d2..14c4ef2 100644
--- a/gitg/resources/ui/gitg-history-ref-row.ui
+++ b/gitg/resources/ui/gitg-history-ref-row.ui
@@ -21,7 +21,7 @@
             <property name="margin_start">18</property>
             <property name="margin_top">3</property>
             <property name="margin_bottom">3</property>
-            <property name="margin_end">3</property>
+            <property name="margin_end">6</property>
             <child>
               <object class="GtkImage" id="d_icon">
                 <property name="icon_size">1</property>
@@ -32,6 +32,20 @@
                 <property name="visible">True</property>
                 <property name="ellipsize">middle</property>
                 <property name="halign">start</property>
+                <property name="hexpand">True</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkLabel" id="d_ahead_behind">
+                <property name="visible">True</property>
+                <property name="halign">end</property>
+                <property name="ellipsize">middle</property>
+                <attributes>
+                  <attribute name="scale" value="0.8333333333333"/>
+                </attributes>
+                <style>
+                  <class name="dim-label"/>
+                </style>
               </object>
             </child>
           </object>