utils.cpp

00001
00002 /***************************************************************************
00003  *  utils.cpp - General purpose GUI utility functions
00004  *
00005  *  Created: Tue Sep 23 13:41:30 2008
00006  *  Copyright  2008  Daniel Beck
00007  *
00008  ****************************************************************************/
00009
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version. A runtime exception applies to
00014  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU Library General Public License for more details.
00020  *
00021  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00022  */
00023
00024 #include <gui_utils/utils.h>
00025 
00026 /** Obtain a widget from a Glade XML file by its name.
00027  * Use a dynamic cast to cast it to the expected widget-type.
00028  * @param ref_xml Glade XML file
00029  * @param widget_name name of the widget
00030  */
00031 Gtk::Widget*
00032 fawkes::get_widget( Glib::RefPtr<Gnome::Glade::Xml> ref_xml,
00033             const char* widget_name )
00034 {
00035   Gtk::Widget* widget;
00036   ref_xml->get_widget(widget_name, widget);
00037   if ( !widget )
00038     {
00039       std::string err_str = "Couldn't find widget ";
00040       err_str += std::string(widget_name);
00041       err_str += ".";
00042       throw std::runtime_error(err_str);
00043     }
00044
00045   return widget;
00046 }