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/* 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, see <http://www.gnu.org/licenses/>.
*/
#include <glibmm/utility.h>
#include <glibmm/exceptionhandler.h>
#include <glib.h>
namespace Glib
{
namespace OptionContextPrivate
{
extern "C"
{
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);
}
} // extern "C"
} // 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(OptionContext&& other) noexcept
: gobject_(std::move(other.gobject_)),
has_ownership_(std::move(other.has_ownership_))
{
other.gobject_ = nullptr;
other.has_ownership_ = false;
}
OptionContext&
OptionContext::operator=(OptionContext&& other) noexcept
{
if (has_ownership_)
g_option_context_free(gobj());
gobject_ = std::move(other.gobject_);
has_ownership_ = std::move(other.has_ownership_);
other.gobject_ = nullptr;
other.has_ownership_ = false;
return *this;
}
OptionContext::~OptionContext()
{
if (has_ownership_)
g_option_context_free(gobj());
gobject_ = nullptr;
}
void
OptionContext::add_group(OptionGroup& group)
{
// GObjectContext takes ownership of the GOptionGroup, unrefing it later.
g_option_context_add_group(gobj(), group.gobj_copy());
}
void
OptionContext::set_main_group(OptionGroup& group)
{
// GObjectContext takes ownership of the GOptionGroup, unrefing it later.
g_option_context_set_main_group(gobj(), group.gobj_copy());
}
/*
OptionGroup OptionContext::get_main_group() const
{
const auto 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.
auto 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), nullptr));
}
} // namespace Glib
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