[gtkmm] ListBox: Add some methods.

[Murray Cumming <murrayc src gnome org>]

commit 6eb3705f3aac56ec44a2a2dcd3ed67e2b0423520
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Sep 15 17:13:25 2014 +0200

    ListBox: Add some methods.
    
    * gtk/src/listbox.[hg|ccg]: Add selected_foreach(),
      get_selected_rows(), unselect_row(), select_all() and unselect_all().

 gtk/src/listbox.ccg |   24 ++++++++++++++++++++++++
 gtk/src/listbox.hg  |   21 +++++++++++++++++++++
 2 files changed, 45 insertions(+), 0 deletions(-)
---
diff --git a/gtk/src/listbox.ccg b/gtk/src/listbox.ccg
index 23fbe68..4e46265 100644
--- a/gtk/src/listbox.ccg
+++ b/gtk/src/listbox.ccg
@@ -79,6 +79,23 @@ void SignalProxy_UpdateHeader_gtk_callback_destroy(void* data)
   delete static_cast<Gtk::ListBox::SlotUpdateHeader*>(data);
 }
 
+
+static void proxy_foreach_callback(GtkListBox* /* list_box */, GtkListBoxRow* row, void* data)
+{
+  typedef Gtk::ListBox::SlotForeach SlotType;
+  SlotType& slot = *static_cast<SlotType*>(data);
+
+  try
+  {
+    slot(Glib::wrap(row, true));
+  }
+  catch(...)
+  {
+    Glib::exception_handlers_invoke();
+  }
+}
+
+
 } // anonymous namespace
 
 namespace Gtk
@@ -150,4 +167,11 @@ void ListBox::append(Widget& child)
   insert(child, -1);
 }
 
+void ListBox::selected_foreach(const SlotForeach& slot)
+{
+  SlotForeach slot_copy(slot); //TODO: Is this necessary?
+  gtk_list_box_selected_foreach(gobj(), &proxy_foreach_callback, &slot_copy);
+
+}
+
 } //namespace Gtk
diff --git a/gtk/src/listbox.hg b/gtk/src/listbox.hg
index 3968e1f..fcf9dc8 100644
--- a/gtk/src/listbox.hg
+++ b/gtk/src/listbox.hg
@@ -132,6 +132,27 @@ public:
   _WRAP_METHOD(void set_adjustment(const Glib::RefPtr<Adjustment>& adjustment), gtk_list_box_set_adjustment)
   _WRAP_METHOD(Glib::RefPtr<Adjustment> get_adjustment(), gtk_list_box_get_adjustment, refreturn)
   _WRAP_METHOD(Glib::RefPtr<const Adjustment> get_adjustment() const, gtk_list_box_get_adjustment, 
refreturn, constversion)
+
+  /** For instance,
+   * void on_foreach(ListBoxRow* row);
+   */
+  typedef sigc::slot<void, ListBoxRow*> SlotForeach;
+
+  void selected_foreach(const SlotForeach& slot);
+  _IGNORE(gtk_list_box_selected_foreach)
+
+#m4 _CONVERSION(`GList*',`std::vector<ListBoxRow*>',`Glib::ListHandler<ListBoxRow*>::list_to_vector($3, 
Glib::OWNERSHIP_SHALLOW)')
+  _WRAP_METHOD(std::vector<ListBoxRow*> get_selected_rows(), gtk_list_box_get_selected_rows)
+
+#m4 _CONVERSION(`GList*',`std::vector<const 
ListBoxRow*>',`Glib::ListHandler<ListBoxRow*>::list_to_vector($3, Glib::OWNERSHIP_SHALLOW)')
+  _WRAP_METHOD(std::vector<ListBoxRow*> get_selected_rows() const, gtk_list_box_get_selected_rows)
+
+
+  _WRAP_METHOD(void unselect_row(ListBoxRow* row), gtk_list_box_unselect_row)
+  _WRAP_METHOD(void select_all(), gtk_list_box_select_all)
+  _WRAP_METHOD(void unselect_all(), gtk_list_box_unselect_all)
+
+
   _WRAP_METHOD(void set_selection_mode(SelectionMode mode), gtk_list_box_set_selection_mode)
   _WRAP_METHOD(SelectionMode get_selection_mode() const, gtk_list_box_get_selection_mode)