/*
 * LTSP Graphical GTK Greeter
 * Copyright (2007) Oliver Grawert <ogra@ubuntu.com>, Canonical Ltd.

 * Author: Oliver Grawert <ogra@canonical.com>

 * 2007, Oliver Grawert <ogra@canonical.com>
 *       Scott Balneaves <sbalneav@ltsp.org>
 * 2008, Ryan Niebur <RyanRyan52@gmail.com>

 * 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; version 2.

 * 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, you can find it on the World Wide
 * Web at http://www.gnu.org/copyleft/gpl.html, or write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
 * MA 02110-1301, USA.

 */

#define _GNU_SOURCE

#include <glib/gi18n.h>
#include <glib.h>
#include <gtk/gtk.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <greeter.h>

gchar session[MAXSTRSZ];
GtkWidget *sess_select;         /* session selection combo */
gint sess_total = 0;
gint sess_selected = 0;

/*
 * Local functions
 */

static void
sesswin_accept(GtkWidget * widget, GtkWidget * sesswin)
{
    sess_selected = gtk_combo_box_get_active(GTK_COMBO_BOX(sess_select));
    gtk_widget_destroy(sesswin);
}

/*
 * External functions
 */

void
update_selected_sess()
{
    if (sess_selected == 0)
        g_strlcpy(session, "None", MAXSTRSZ);
    else if (sess_selected == 1)
        g_strlcpy(session, "/usr/bin/xterm", MAXSTRSZ); /* failsafe xterm */
    else {
        ldminfo *curr_host = NULL;
        GList *s = NULL;

        curr_host = ldminfo_lookup(g_list_nth_data(host_list, selected_host_id));
        s = curr_host->sessions;
        g_strlcpy(session, g_list_nth_data(s, sess_selected - 2),
                  MAXSTRSZ);
    }
}

void
populate_sess_combo_box(const char *sess, GtkWidget * sess_combo_box)
{
    gtk_combo_box_append_text(GTK_COMBO_BOX(sess_combo_box),
                              g_strdup(sess));
    sess_total++;
}

/*
 * Session window
 */

void
sesswin(GtkWidget * widget, GtkWindow * win)
{
    GtkWidget *sesswin, *label, *vbox, *buttonbox;
    GtkWidget *cancel, *accept, *frame;
    ldminfo *curr_host = NULL;

    sess_select = gtk_combo_box_new_text();

    /*
     * Populate sess with default host hash
     */

    curr_host = ldminfo_lookup(g_list_nth_data(host_list, current_host_id));

    gtk_combo_box_append_text(GTK_COMBO_BOX(sess_select),
                              g_strdup(_("Default")));
    gtk_combo_box_append_text(GTK_COMBO_BOX(sess_select),
                              g_strdup(_("Failsafe xterm")));
    g_list_foreach(curr_host->session_names,
                   (GFunc) populate_sess_combo_box, sess_select);

    gtk_combo_box_set_active(GTK_COMBO_BOX(sess_select), sess_selected);

    /*
     * Build window
     */

    sesswin = gtk_window_new(GTK_WINDOW_POPUP);
    gtk_window_set_position((GtkWindow *) sesswin,
                            GTK_WIN_POS_CENTER_ALWAYS);
    gtk_window_set_modal((GtkWindow *) sesswin, TRUE);

    vbox = gtk_vbox_new(FALSE, 0);
    buttonbox = gtk_hbox_new(FALSE, 5);
    gtk_container_set_border_width(GTK_CONTAINER(vbox), 5);

    cancel = gtk_button_new_from_stock("gtk-cancel");
    g_signal_connect(G_OBJECT(cancel), "clicked",
                     G_CALLBACK(destroy_popup), sesswin);

    accept = gtk_button_new_with_mnemonic(_("Change _Session"));
    g_signal_connect(G_OBJECT(accept), "clicked",
                     G_CALLBACK(sesswin_accept), sesswin);

    gtk_box_pack_end((GtkBox *) buttonbox, (GtkWidget *) accept, FALSE,
                     FALSE, 0);
    gtk_box_pack_end((GtkBox *) buttonbox, (GtkWidget *) cancel, FALSE,
                     FALSE, 0);

    label = gtk_label_new("");
    gtk_label_set_markup((GtkLabel *) label,
                         _("Select your session manager:"));

    gtk_box_pack_start((GtkBox *) vbox, (GtkWidget *) label, FALSE, FALSE,
                       0);
    gtk_box_pack_start((GtkBox *) vbox, (GtkWidget *) sess_select, FALSE,
                       FALSE, 5);
    gtk_box_pack_start((GtkBox *) vbox, (GtkWidget *) buttonbox, TRUE,
                       TRUE, 5);

    frame = gtk_frame_new("");
    gtk_frame_set_shadow_type((GtkFrame *) frame, GTK_SHADOW_OUT);
    gtk_frame_set_label_align((GtkFrame *) frame, 1.0, 0.0);

    gtk_container_add(GTK_CONTAINER(frame), vbox);
    gtk_container_add(GTK_CONTAINER(sesswin), frame);

    gtk_widget_show_all(sesswin);

    return;
}