/*
 * Remmina - The GTK+ Remote Desktop Client
 * Copyright (C) 2009-2010 Vic Lee 
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, 
 * Boston, MA 02111-1307, USA.
 */
 
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include "remminakeychooser.h"

G_DEFINE_TYPE (RemminaKeyChooser, remmina_key_chooser, GTK_TYPE_BUTTON)

static void
remmina_key_chooser_class_init (RemminaKeyChooserClass *klass)
{
}

static void
remmina_key_chooser_update_label (RemminaKeyChooser *kc)
{
    gchar *s;

    if (kc->keyval)
    {
        s = gdk_keyval_name (gdk_keyval_to_upper (kc->keyval));
    }
    else
    {
        s = _("<None>");
    }
    gtk_button_set_label (GTK_BUTTON (kc), s);
}

void
remmina_key_chooser_set_keyval (RemminaKeyChooser *kc, guint keyval)
{
    kc->keyval = keyval;
    remmina_key_chooser_update_label (kc);
}

static gboolean
remmina_key_chooser_dialog_on_key_press (GtkWidget *widget, GdkEventKey *event, RemminaKeyChooser *kc)
{
    remmina_key_chooser_set_keyval (kc, gdk_keyval_to_lower (event->keyval));
    gtk_dialog_response (GTK_DIALOG (gtk_widget_get_toplevel (widget)), GTK_RESPONSE_OK);
    return TRUE;
}

static void
remmina_key_chooser_on_clicked (RemminaKeyChooser *kc, gpointer data)
{
    GtkWidget *dialog;
    GtkWidget *eventbox;
    GtkWidget *widget;
    gint ret;

    dialog = gtk_dialog_new_with_buttons (_("Choose a new key"),
        GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (kc))), GTK_DIALOG_MODAL,
        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
        GTK_STOCK_REMOVE, GTK_RESPONSE_REJECT,
        NULL);

    eventbox = gtk_event_box_new ();
    gtk_widget_show (eventbox);
    gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))), eventbox, TRUE, TRUE, 0);
    gtk_widget_add_events (eventbox, GDK_KEY_PRESS_MASK);
    g_signal_connect (G_OBJECT (eventbox), "key-press-event",
        G_CALLBACK (remmina_key_chooser_dialog_on_key_press), kc);
    GTK_WIDGET_SET_FLAGS (eventbox, GTK_CAN_FOCUS);

    widget = gtk_label_new (_("Please press the new key..."));
    gtk_misc_set_alignment (GTK_MISC (widget), 0.5, 0.5);
    gtk_widget_set_size_request (widget, 250, 150);
    gtk_widget_show (widget);
    gtk_container_add (GTK_CONTAINER (eventbox), widget);

    gtk_widget_grab_focus (eventbox);

    ret = gtk_dialog_run (GTK_DIALOG (dialog));
    gtk_widget_destroy (dialog);

    if (ret == GTK_RESPONSE_REJECT)
    {
        remmina_key_chooser_set_keyval (kc, 0);
    }
}

static void
remmina_key_chooser_init (RemminaKeyChooser *kc)
{
    remmina_key_chooser_set_keyval (kc, 0);

    g_signal_connect (G_OBJECT (kc), "clicked", G_CALLBACK (remmina_key_chooser_on_clicked), NULL);
}

GtkWidget*
remmina_key_chooser_new (guint keyval)
{
    RemminaKeyChooser *kc;

    kc = REMMINA_KEY_CHOOSER (g_object_new (REMMINA_TYPE_KEY_CHOOSER, NULL));
    remmina_key_chooser_set_keyval (kc, keyval);

    return GTK_WIDGET (kc);
}