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/*******************************************************************************
*
* Copyright (c) 2010 Jonathon Jongsma
*
* This file is part of gtkmm
*
* 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 3 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, see <http://www.gnu.org/licenses/>
*
*******************************************************************************/
#include <giomm.h>
#include <iostream>
const char *const STRING_KEY = "test-string";
const char *const INT_KEY = "test-int";
static void on_key_changed(const Glib::ustring& key, const Glib::RefPtr<Gio::Settings>& settings)
{
std::cout << Glib::ustring::compose("'%1' changed\n", key);
if (key == STRING_KEY)
{
Glib::ustring str = settings->get_string(key);
std::cout << Glib::ustring::compose("New value of '%1': '%2'\n",
key, str);
//Or:
Glib::Variant<Glib::ustring> variant;
settings->get_value(key, variant);
str = variant.get();
std::cout << Glib::ustring::compose("New value, via variant, of '%1': '%2'\n",
key, str);
}
else if (key == INT_KEY)
{
std::cout << Glib::ustring::compose("New value of '%1': '%2'\n",
key, settings->get_int(key));
}
else
std::cerr << "Unknown key\n";
}
static void on_key_changed_all(const Glib::ustring& key)
{
std::cout << "on_key_changed_all(" << key << ")\n";
}
static void on_key_changed_int(const Glib::ustring& key)
{
std::cout << "on_key_changed_int(" << key << ")\n";
if (key != INT_KEY)
std::cerr << "Unexpected key\n";
}
int main(int, char**)
{
std::locale::global(std::locale(""));
Gio::init();
// this is only a demo so we don't want to rely on an installed schema.
// Instead we set some environment variables that allow us to test things
// from the source directory. We need to strip off the .libs/ directory
// first (thus the '..'). Generally you would install your schemas to the system schema
// directory
Glib::setenv("GSETTINGS_SCHEMA_DIR", ".", true);
Glib::setenv("GSETTINGS_BACKEND", "memory", true);
const auto settings =
Gio::Settings::create("org.gtkmm.demo");
settings->signal_changed().connect(sigc::bind(sigc::ptr_fun(&on_key_changed), settings));
settings->signal_changed("").connect(sigc::ptr_fun(&on_key_changed_all));
settings->signal_changed(INT_KEY).connect(sigc::ptr_fun(&on_key_changed_int));
std::cout << Glib::ustring::compose("Initial value of '%1': '%2'\n",
STRING_KEY, settings->get_string(STRING_KEY));
settings->set_string(STRING_KEY, "Hoopoe");
std::cout << Glib::ustring::compose("Initial value of '%1': '%2'\n",
INT_KEY, settings->get_int(INT_KEY));
settings->set_int(INT_KEY, 18);
return 0;
}
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