langdlg.h

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#ifndef LANGDLG_H
#define LANGDLG_H

//$Id: LangDlg.h,v 1.3 2004/12/12 03:08:28 markus Rel $

// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.

// This program 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 General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.


#include <string>

#include <glibmm/ustring.h>

#include <gtkmm/liststore.h>
#include <gtkmm/treemodelcolumn.h>

#include <XGP/XDialog.h>

namespace Gtk {
   class Box;
   class ComboBox;
   class TreeView;
}
class LanguageModel;


/**Columns of language lists
 */
class LanguageColumns : public Gtk::TreeModel::ColumnRecord {
 public:
   LanguageColumns () {
      add (flag); add (name); add (id); }

   Gtk::TreeModelColumn<Glib::RefPtr<Gdk::Pixbuf> > flag;
   Gtk::TreeModelColumn<Glib::ustring>              name;
   Gtk::TreeModelColumn<std::string>                id;
};


/**Dialog allowing to select various languages
 */
class LanguageDialog : public XGP::XDialog {
 public:
   LanguageDialog (std::string& languages, unsigned int maxLangs, bool mainLang = true);
   virtual ~LanguageDialog ();

   /// Method to display the dialog; cares about freeing it afterwards.
   /// This is the method of choice, when the dialog is created on the heap;
   /// don't just call new LanguageDialog (...);
   /// \param languages: The preselected languages; updated with the user input
   /// \param maxLangs: Maximal number of languages which can be selected
   static LanguageDialog* create (std::string& languages, unsigned int maxLangs,
				  bool mainLang = true) {
      LanguageDialog* dlg (new LanguageDialog (languages, maxLangs, mainLang));
      dlg->signal_response ().connect (mem_fun (*dlg, &LanguageDialog::free));
      return dlg;
   }

 private:
   //Prohibited manager functions
   LanguageDialog ();
   LanguageDialog (const LanguageDialog&);
   const LanguageDialog& operator= (const LanguageDialog& other);

   virtual void okEvent ();

   void selectLanguage ();

   Gtk::Box*    pClient;
   std::string& languages;
   unsigned int maxLangs;

   Gtk::ComboBox* mainLang;
   Gtk::TreeView* listLang;

   std::string   main;

   LanguageColumns colLang;
   Glib::RefPtr<LanguageModel> modelMain;
   Glib::RefPtr<LanguageModel> modelList;
};

#endif