/* 
 * Copyright (C) 2011 Daiki Ueno <ueno@unixuser.org>
 * Copyright (C) 2011 Red Hat, Inc.
 * 
 * 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 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
 */
#include <stdlib.h>

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif  /* HAVE_CONFIG_H */

#include "eek/eek-xml.h"
#include "eek/eek-xkl.h"
#include "eek/eek-gtk.h"

#define BUFSIZE 8192

static gchar *opt_load = NULL;
static gboolean opt_dump = FALSE;

static const GOptionEntry options[] = {
    {"load", 'l', 0, G_OPTION_ARG_STRING, &opt_load,
     "Show the keyboard loaded from an XML file"},
    {"dump", 'd', 0, G_OPTION_ARG_NONE, &opt_dump,
     "Dump the current layout as XML"},
    {NULL}
};

static void
on_destroy (gpointer user_data)
{
    gtk_main_quit ();
}

int
main (int argc, char **argv)
{
    GOptionContext *context;

    if (!gtk_init_check (&argc, &argv)) {
        g_printerr ("Can't init GTK\n");
        exit (1);
    }

    context = g_option_context_new ("eek-example-xml");
    g_option_context_add_main_entries (context, options, NULL);
    g_option_context_parse (context, &argc, &argv, NULL);
    g_option_context_free (context);

    if (opt_load) {
        GFile *file;
        GFileInputStream *input;
        EekLayout *layout;
        EekKeyboard *keyboard;
        EekBounds bounds;
        GtkWidget *widget, *window;
        GError *error;

        file = g_file_new_for_path (opt_load);

        error = NULL;
        input = g_file_read (file, NULL, &error);
        if (error) {
            g_printerr ("Can't read file %s: %s\n", opt_load, error->message);
            exit (1);
        }

        layout = eek_xml_layout_new (G_INPUT_STREAM(input));
        g_object_unref (input);
        keyboard = eek_keyboard_new (layout, 640, 480);
        g_object_unref (layout);

        widget = eek_gtk_keyboard_new (keyboard);
        g_object_unref (keyboard);

        eek_element_get_bounds (EEK_ELEMENT(keyboard), &bounds);
        gtk_widget_set_size_request (widget, bounds.width, bounds.height);

        window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
        gtk_container_add (GTK_CONTAINER(window), widget);
        gtk_widget_show_all (window);

        g_signal_connect (G_OBJECT (window), "destroy",
                          G_CALLBACK (on_destroy), NULL);

        gtk_main ();
        exit (0);
    } else if (opt_dump) {
        GString *output;
        EekLayout *layout;
        EekKeyboard *keyboard;

        output = g_string_sized_new (BUFSIZE);
        layout = eek_xkl_layout_new ();
        keyboard = eek_keyboard_new (layout, 640, 480);
        g_object_unref (layout);
        eek_keyboard_output (keyboard, output, 0);
        g_object_unref (keyboard);
        fwrite (output->str, sizeof(gchar), output->len, stdout);
        g_string_free (output, TRUE);
        exit (0);
    } else {
        g_printerr ("Specify -l or -d option\n");
        exit (1);
    }

    return 0;
}