gui/Widget.hpp

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*
   3  * LADI Session Handler (ladish)
   4  *
   5  * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
   6  *
   7  **************************************************************************
   8  * This file contains implementation of the Widget class
   9  **************************************************************************
  10  *
  11  * LADI Session Handler is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * LADI Session Handler is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
  23  * or write to the Free Software Foundation, Inc.,
  24  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  25  */
  26
  27 #ifndef PATCHAGE_WIDGET_HPP
  28 #define PATCHAGE_WIDGET_HPP
  29
  30 #include <libglademm/xml.h>
  31 #include <boost/utility.hpp>
  32
  33 template <typename W>
  34 class Widget : public boost::noncopyable {
  35 public:
  36   Widget(Glib::RefPtr<Gnome::Glade::Xml> xml, const std::string& name) {
  37     init(xml, name);
  38   }
  39
  40   Widget()
  41   {
  42     _me = 0;
  43   }
  44
  45   void init(Glib::RefPtr<Gnome::Glade::Xml> xml, const std::string& name)
  46   {
  47     xml->get_widget(name.c_str(), _me);
  48   }
  49
  50   void destroy() { delete _me; }
  51
  52   W*       get()              { return _me; }
  53   const W* get() const        { return _me; }
  54   W*       operator->()       { return _me; }
  55   const W* operator->() const { return _me; }
  56   W&       operator*()        { return *_me; }
  57   const W& operator*() const  { return *_me; }
  58
  59 private:
  60   W* _me;
  61 };
  62
  63
  64 #endif // PATCHAGE_WIDGET_HPP