/* $Id: linkbutton.hg,v 1.2 2006/03/22 16:53:22 murrayc Exp $ */

/* linkbutton.h
 * 
 * Copyright (C) 2006 The gtkmm Development Team
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <gtkmm/button.h>
_DEFS(gtkmm,gtk)
_PINCLUDE(gtkmm/private/button_p.h)


namespace Gtk
{

/** Create buttons bound to a URL.
 *
 * A Gtk::LinkButton is a Gtk::Button with a hyperlink, similar to the one
 * used by web browsers, which triggers an action when clicked. It is useful
 * to show quick links to resources.
 *
 * The URI bound to a Gtk::LinkButton can be set specifically using set_uri(), 
 * and retrieved using get_uri().
 * Gtk::LinkButton offers a global hook, which is called when the used clicks on it: see set_uri_hook(). 
 *
 * @newin2p10
 * @ingroup Widgets
 */
class LinkButton : public Button
{
  _CLASS_GTKOBJECT(LinkButton, GtkLinkButton, GTK_LINK_BUTTON, Gtk::Button, GtkButton)
public:
  _CTOR_DEFAULT
  _WRAP_CTOR(LinkButton(const Glib::ustring& uri), gtk_link_button_new)
  _WRAP_CTOR(LinkButton(const Glib::ustring& uri, const Glib::ustring& label), gtk_link_button_new_with_label)

  _WRAP_METHOD(Glib::ustring get_uri() const, gtk_link_button_get_uri)
  _WRAP_METHOD(void set_uri(const Glib::ustring& uri), gtk_link_button_set_uri)

  /** For instance,
   * void on_linkbutton_uri(Gtk::LinkButton *button, const Glib::ustring& uri);
   *
   * @see set_uri_hook().
   */
  typedef sigc::slot<void, Gtk::LinkButton*, const Glib::ustring&> SlotUri;

  /** Sets slot as the function that should be invoked every time a user clicks a LinkButton. 
   * This function is called before every signal handler registered for the "clicked" signal.
   *
   * @param slot A function called each time a LinkButton is clicked.
   * @newin2p12
   */
  static void set_uri_hook(const SlotUri& slot);
  _IGNORE(gtk_link_button_set_uri_hook)

  /** Unsets any previously set slot as the function that should be invoked every time a user clicks a LinkButton. 
   * @see set_uri_hook().
   * @newin2p12
   */
  static void unset_uri_hook();


  _WRAP_PROPERTY("uri", Glib::ustring)                                           
};


} // namespace Gtk

