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// -*- c++ -*-
/* $Id: optioncontext.ccg,v 1.4 2004/10/30 14:25:45 murrayc Exp $ */
/* Copyright (C) 2002 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 <glibmm/utility.h>
#include <glibmm/exceptionhandler.h>
#include <glib.h>
namespace Glib
{
namespace OptionContextPrivate
{
static const gchar* SignalProxy_translate_gtk_callback (const gchar* str, gpointer data)
{
Glib::ustring translated_str;
Glib::OptionContext::SlotTranslate* the_slot =
static_cast<Glib::OptionContext::SlotTranslate*>(data);
try
{
translated_str = (*the_slot)(str);
}
catch(...)
{
Glib::exception_handlers_invoke();
}
return translated_str.c_str ();
}
static void SignalProxy_translate_gtk_callback_destroy (gpointer data)
{
delete static_cast<Glib::OptionContext::SlotTranslate*>(data);
}
} //namespace OptionContextPrivate
OptionContext::OptionContext(const Glib::ustring& parameter_string)
: gobject_( g_option_context_new(parameter_string.c_str()) ),
has_ownership_(true)
{
}
OptionContext::OptionContext(GOptionContext* castitem, bool take_ownership)
: gobject_(castitem),
has_ownership_(take_ownership)
{
}
OptionContext::~OptionContext()
{
if(has_ownership_)
g_option_context_free(gobj());
gobject_ = 0;
}
void OptionContext::add_group(OptionGroup& group)
{
//Strangely, GObjectContext actually takes ownership of the GOptionGroup, deleting it later.
g_option_context_add_group(gobj(), (group).gobj_give_ownership());
}
void OptionContext::set_main_group(OptionGroup& group)
{
//Strangely, GObjectContext actually takes ownership of the GOptionGroup, deleting it later.
g_option_context_set_main_group(gobj(), (group).gobj_give_ownership());
}
/*
OptionGroup OptionContext::get_main_group() const
{
const GOptionGroup* cobj = g_option_context_get_main_group(const_cast<GOptionContext*>( gobj()) );
OptionGroup cppObj(const_cast<GOptionGroup*>(cobj), true); // take_copy
return cppObj;
}
*/
void OptionContext::set_translate_func (const SlotTranslate& slot)
{
//Create a copy of the slot. A pointer to this will be passed through the callback's data parameter.
//It will be deleted when SignalProxy_translate_gtk_callback_destroy() is called.
SlotTranslate* slot_copy = new SlotTranslate(slot);
g_option_context_set_translate_func(
gobj(), &OptionContextPrivate::SignalProxy_translate_gtk_callback, slot_copy,
&OptionContextPrivate::SignalProxy_translate_gtk_callback_destroy);
}
Glib::ustring OptionContext::get_help(bool main_help) const
{
return Glib::convert_return_gchar_ptr_to_ustring(g_option_context_get_help(const_cast<GOptionContext*>(gobj()), static_cast<int>(main_help), 0));
}
} // namespace Glib
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