[gtkmm] Application: Add set_accel_for_action().

[Murray Cumming <murrayc src gnome org>]

commit 4b6f8ec937704933b2eb4c12e916664fe48e70d7
Author: Murray Cumming <murrayc murrayc com>
Date:   Tue Mar 18 12:32:16 2014 +0100

    Application: Add set_accel_for_action().
    
    * gtk/src/application.[hg|ccg]: So we don't need to create
      a vector for just one accel.

 gtk/src/application.ccg |    6 ++++++
 gtk/src/application.hg  |   16 +++++++++++++++-
 2 files changed, 21 insertions(+), 1 deletions(-)
---
diff --git a/gtk/src/application.ccg b/gtk/src/application.ccg
index 4498ed8..62707ea 100644
--- a/gtk/src/application.ccg
+++ b/gtk/src/application.ccg
@@ -175,5 +175,11 @@ void Application::on_activate_add_and_show_main_window(Window* window)
   }
 }
 
+void Application::set_accel_for_action(const Glib::ustring& detailed_action_name, const Glib::ustring& accel)
+{
+  std::vector<Glib::ustring> vec;
+  vec.push_back(accel);
+  set_accels_for_action(detailed_action_name, vec);
+}
 
 } // namespace Gtk
diff --git a/gtk/src/application.hg b/gtk/src/application.hg
index 01af134..f1f17fd 100644
--- a/gtk/src/application.hg
+++ b/gtk/src/application.hg
@@ -323,10 +323,24 @@ public:
 #m4 
_CONVERSION(`gchar**',`std::vector<Glib::ustring>',`Glib::ArrayHandler<Glib::ustring>::array_to_vector($3, 
Glib::OWNERSHIP_DEEP)')
   _WRAP_METHOD(std::vector<Glib::ustring> get_accels_for_action(const Glib::ustring& detailed_action_name) 
const, gtk_application_get_accels_for_action)
 
-//TODO: Add one to set just one accel:
 #m4 _CONVERSION(`const std::vector<Glib::ustring>&',`const 
gchar*-const*',`Glib::ArrayHandler<Glib::ustring>::vector_to_array($3).data ()')
   _WRAP_METHOD(void set_accels_for_action(const Glib::ustring& detailed_action_name, const 
std::vector<Glib::ustring>& ccels), gtk_application_set_accels_for_action)
 
+  //TODO: Add unset_accels_for_action().
+  //See https://bugzilla.gnome.org/show_bug.cgi?id=726623
+
+  /** Sets a keyboard accelerator that will trigger the
+   * given action. It will be the primary 
+   * accelerator, which may be displayed in the UI.
+   * 
+   * @param detailed_action_name A detailed action name, specifying an action
+   * and target to associate accelerators with.
+   * @param accels An accelerator in the format understood by gtk_accelerator_parse().
+   *
+   * @newin{3,12}
+   */
+  void set_accel_for_action(const Glib::ustring& detailed_action_name, const Glib::ustring& accel);
+
   _WRAP_PROPERTY("app-menu", Glib::RefPtr<Gio::MenuModel>)
   _WRAP_PROPERTY("menubar", Glib::RefPtr<Gio::MenuModel>)
   _WRAP_PROPERTY("register-session", bool)