Implement support for the global apt Undo stack.

2 files changed, 13 insertions, 0 deletions

diff --git a/src/gtk/packagestab.cc b/src/gtk/packagestab.cc
index 0d04fd6a..bd6b9af2 100644
--- a/src/gtk/packagestab.cc
+++ b/src/gtk/packagestab.cc
@@ -270,10 +270,21 @@ namespace gui
     pPkgView->get_treeview()->signal_cursor_changed().connect(sigc::mem_fun(*this, &PackagesTab::activated_package_handler));
 
     pPkgView->package_menu_actions_changed.connect(package_menu_actions_changed.make_slot());
+    apt_undos->changed.connect(undo_available_changed.make_slot());
 
     get_widget()->show();
   }
 
+  bool PackagesTab::get_undo_available()
+  {
+    return apt_undos->size() > 0;
+  }
+
+  void PackagesTab::dispatch_undo()
+  {
+    apt_undos->undo();
+  }
+
   // TODO: Should be moved into PackagesView for use with PackagesView::signal_on_package_selection.
   void PackagesTab::activated_package_handler()
   {
diff --git a/src/gtk/packagestab.h b/src/gtk/packagestab.h
index f39235de..5746f11a 100644
--- a/src/gtk/packagestab.h
+++ b/src/gtk/packagestab.h
@@ -56,6 +56,8 @@ namespace gui
 
       std::set<PackagesAction> get_package_menu_actions();
       void dispatch_package_menu_action(PackagesAction action);
+      bool get_undo_available();
+      void dispatch_undo();
   };
 
   /** \brief Set up a package view to be searchable.