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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2016 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Authored by: Marco Trevisan <marco.trevisan@canonical.com>
*/
#ifndef UNITY_GTK_UTILS
#define UNITY_GTK_UTILS
#include <gtk/gtk.h>
#include <sigc++/sigc++.h>
#include <UnityCore/GLibWrapper.h>
#include <UnityCore/GLibSignal.h>
namespace unity
{
namespace gtk
{
template <typename TYPE>
inline TYPE GetSettingValue(std::string const& name)
{
TYPE value;
g_object_get(gtk_settings_get_default(), name.c_str(), &value, nullptr);
return value;
}
template <>
inline std::string GetSettingValue(std::string const& name)
{
return glib::String(gtk::GetSettingValue<gchar*>(name)).Str();
}
template <typename TYPE>
class Setting
{
public:
Setting(std::string const& name)
: name_(name)
{
connection_.Connect(gtk_settings_get_default(), "notify::"+name_, [this] (GtkSettings*, GParamSpec*) {
changed.emit(GetSettingValue<TYPE>(name_));
});
}
TYPE Value() const { return GetSettingValue<TYPE>(name_); }
TYPE operator()() const { return Value(); }
sigc::signal<void, TYPE const&> changed;
private:
std::string name_;
glib::Signal<void, GtkSettings*, GParamSpec*> connection_;
};
} // theme namespace
} // gtk namespace
#endif // UNITY_GTK_UTILS
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