// -*- c++ -*-
/* $Id: celllayout.ccg,v 1.8 2006/05/11 11:40:24 murrayc Exp $ */

/* Copyright 2003 The gtkmm Development Team
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <gtk/gtk.h>


static void SignalProxy_CellData_gtk_callback(GtkCellLayout* /* cell_layout */, GtkCellRenderer* /* cell */, GtkTreeModel* tree_model, GtkTreeIter* iter, gpointer data)
{
  Gtk::CellLayout::SlotCellData* the_slot = static_cast<Gtk::CellLayout::SlotCellData*>(data);

  #ifdef GLIBMM_EXCEPTIONS_ENABLED
  try
  {
  #endif //GLIBMM_EXCEPTIONS_ENABLED
    //We ignore the cell, because that was given as an argument to the connecting method, so the caller should know which one it is already.
    //And we ignore the tree_model because that can be obtained from the iter or from the CellLayout itself.
    (*the_slot)(Gtk::TreeModel::const_iterator(tree_model, iter));
  #ifdef GLIBMM_EXCEPTIONS_ENABLED
  }
  catch(...)
  {
    Glib::exception_handlers_invoke();
  }
  #endif //GLIBMM_EXCEPTIONS_ENABLED
}

static void SignalProxy_CellData_gtk_callback_destroy(void* data)
{
  delete static_cast<Gtk::CellLayout::SlotCellData*>(data);
}

namespace Gtk
{

#ifdef GLIBMM_PROPERTIES_ENABLED
void CellLayout::add_attribute(const Glib::PropertyProxy_Base& property, const TreeModelColumnBase& column)
{
  gtk_cell_layout_add_attribute(gobj(),
      (GtkCellRenderer*) property.get_object()->gobj(), property.get_name(), column.index());
}
#endif //GLIBMM_PROPERTIES_ENABLED

void CellLayout::add_attribute(CellRenderer& cell, const Glib::ustring& attribute, const TreeModelColumnBase& column)
{
  gtk_cell_layout_add_attribute(gobj(),
      (GtkCellRenderer*) cell.gobj(), attribute.c_str(), column.index());
}

void CellLayout::set_cell_data_func(CellRenderer& cell, const SlotCellData& slot)
{
  // Create a copy of the slot object.  A pointer to this will be passed
  // through the callback's data parameter.  It will be deleted
  // when SignalProxy_CellData_gtk_callback_destroy() is called.
  SlotCellData* slot_copy = new SlotCellData(slot);

  gtk_cell_layout_set_cell_data_func(gobj(), cell.gobj(),
      &SignalProxy_CellData_gtk_callback, slot_copy,
      &SignalProxy_CellData_gtk_callback_destroy);
}
  

} //namespace Gtk


