[gitg] Actually fix the handling of the stack to switch between items

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 4c2d272b3c8cba4fef751ec1fe0af3092cb477a3
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Mon Feb 18 15:10:34 2013 +0100

    Actually fix the handling of the stack to switch between items

 gitg/gitg-ui-elements.vala |   27 +++++++--------------------
 1 files changed, 7 insertions(+), 20 deletions(-)
---
diff --git a/gitg/gitg-ui-elements.vala b/gitg/gitg-ui-elements.vala
index b814615..b22154b 100644
--- a/gitg/gitg-ui-elements.vala
+++ b/gitg/gitg-ui-elements.vala
@@ -39,7 +39,7 @@ public class UIElements<T>
        private List<ActiveUIElement> d_available_sorted;
        private Gtk.Toolbar? d_toolbar;
        private ActiveUIElement? d_current;
-       private Gtk.Bin d_container;
+       private Gd.Stack d_stack;
 
        public signal void activated(GitgExt.UIElement element);
 
@@ -169,24 +169,9 @@ public class UIElements<T>
                                el.navigation_button.active = true;
                        }
 
-                       if (d_container != null)
+                       if (d_stack != null)
                        {
-                               var child = d_container.get_child();
-
-                               if (child != null)
-                               {
-                                       d_container.remove(child);
-                               }
-
-                               var widget = el.element.widget;
-
-                               if (widget != null)
-                               {
-                                       widget.show();
-                               }
-
-                               d_container.add(widget);
-                               d_container.show();
+                               d_stack.set_visible_child(el.element.widget);
                        }
 
                        activated(el.element);
@@ -210,6 +195,7 @@ public class UIElements<T>
                                d_current = null;
                        }
 
+                       d_stack.remove(ae.element.widget);
                        d_available_elements.remove(e.id);
                }
        }
@@ -238,6 +224,7 @@ public class UIElements<T>
                        }
                });
 
+               d_stack.add(ae.element.widget);
                d_available_elements.insert(e.id, ae);
        }
 
@@ -308,12 +295,12 @@ public class UIElements<T>
        }
 
        public UIElements(Peas.ExtensionSet extensions,
-                         Gtk.Bin? container = null,
+                         Gd.Stack? stack = null,
                          Gtk.Toolbar? toolbar = null)
        {
                d_extensions = extensions;
                d_toolbar = toolbar;
-               d_container = container;
+               d_stack = stack;
 
                d_available_elements = new HashTable<string, ActiveUIElement>(str_hash, str_equal);
                d_elements = new HashTable<string, GitgExt.UIElement>(str_hash, str_equal);