/* vim:set et sts=4 sw=4:

 *

 * ibus - The Input Bus

 *

 * Copyright (c) 2011-2013 Peng Huang <shawn.p.huang@gmail.com>

 * Copyright (c) 2015 Takao Fujiwara <takao.fujiwara1@gmail.com>

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301

 * USA

 */

using IBus;

class DummyEngine : IBus.EngineSimple {

}

public int main(string[] args) {

    Intl.setlocale(LocaleCategory.ALL, "");

    IBus.init();

    IBus.Bus bus = new IBus.Bus();

    if (!bus.is_connected()) {

        warning("ibus-daemon does not exist.");

        return 1;

    }

    bus.disconnected.connect((bus) => {

        debug("bus disconnected");

        IBus.quit();

    });

    IBus.Factory factory = new IBus.Factory(bus.get_connection());

    int id = 0;

    factory.create_engine.connect((factory, name) => {

        if (!name.has_prefix("xkb:"))

            return null;

        const string path = "/org/freedesktop/IBus/engine/simple/%d";

        IBus.Engine engine = new IBus.Engine.with_type(

            typeof(IBus.EngineSimple), name,

            path.printf(++id), bus.get_connection());

        /* Use Idle.add() to reduce the lag caused by file io */

        GLib.Idle.add(() => {

            /* I think "c" + "'" is c with acute U+0107 and

             * "c" + "," is c with cedilla U+00E7 and they are

             * visually comprehensible. But pt-br people need

             * "c" + "'" is c with cedilla and I think the

             * cedilla_compose_seqs is needed for the specific keyboards

             * or regions.

             * X11 uses compose by locale:

             * In /usr/share/X11/locale/en_US.UTF-8/Compose ,

             * <Multi_key> <apostrophe> <c> : U0107

             */

            IBus.EngineSimple? simple = (IBus.EngineSimple ?) engine; 

            simple.add_table_by_locale(null);

            string user_file = null;

            var home = GLib.Environment.get_home_dir();

            if (home != null) {

                user_file = home + "/.XCompose";

                if (GLib.FileUtils.test(user_file, GLib.FileTest.EXISTS))

                    simple.add_compose_file(user_file);

            }

            user_file = GLib.Environment.get_variable("XCOMPOSEFILE");

            if (user_file != null) {

                if (GLib.FileUtils.test(user_file, GLib.FileTest.EXISTS))

                    simple.add_compose_file(user_file);

            }

            return false;

        });

        return engine;

    });

    uint flags = 

        IBus.BusNameFlag.REPLACE_EXISTING |

        IBus.BusNameFlag.ALLOW_REPLACEMENT;

    uint retval = bus.request_name("org.freedesktop.IBus.Simple", flags);

    if (retval == 0) {

        warning("Registry bus name org.freedesktop.IBus.Simple failed!");

        return 1;

    }

    IBus.main();

    return 0;

}