/* rulesdialog.c - game rules settings dialog
 *
 * 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.
 */
#include <gtk/gtk.h>

#include "gtkballs.h"    /* _() */
#include "gtkutils.h"
#include "theme.h"       /* gtkb_theme_get_balls_num() */
#include "prefs.h" /* save_preferences(); */
#include "gfx.h"
#include "game.h"        /* rules stuff */

struct _gtkb_rules_dialog {
   GtkWidget *xrange, *yrange, *crange, *nrange, *drange;
};

struct _gtkb_rules_dialog _rd;

void rules_ok(GtkWidget *widget, gpointer data)
{
   gint oldnext = rules_get_next();
   gchar *msg;

   rules_set_width (gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(_rd.xrange)));
   rules_set_height (gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(_rd.yrange)));
   rules_set_colors (gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(_rd.crange)));
   rules_set_next (gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(_rd.nrange)));
   rules_set_destroy (gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(_rd.drange)));

   reinit_board (NULL, NULL, 0, oldnext);

   if(data) {
      gtk_widget_destroy (GTK_WIDGET(data));
   }
   msg = save_preferences ();
   if(msg) {
      ut_simple_message_box (msg);
      g_free (msg);
   }
}


void rules_classic(void)
{
   gtk_spin_button_set_value(GTK_SPIN_BUTTON(_rd.xrange), rules_get_classic_width());
   gtk_spin_button_set_value(GTK_SPIN_BUTTON(_rd.yrange), rules_get_classic_height());
   gtk_spin_button_set_value(GTK_SPIN_BUTTON(_rd.crange), rules_get_classic_colors());
   gtk_spin_button_set_value(GTK_SPIN_BUTTON(_rd.nrange), rules_get_classic_next());
   gtk_spin_button_set_value(GTK_SPIN_BUTTON(_rd.drange), rules_get_classic_destroy());
}


void rules_dialog (void)
{
   GtkWidget * dialog;
   GtkWidget * frame;
   GtkWidget * big_vbox, * vbox, * buttons_box;
   GtkWidget * separator;
   GtkWidget * ok_button, * cancel_button, * classic_button;


   dialog = ut_window_new(_("Game rules"), "GtkBalls_Rules", "GtkBalls", TRUE, TRUE, TRUE, 5);

   big_vbox = gtk_vbox_new (FALSE, 5);
   gtk_container_add (GTK_CONTAINER(dialog), big_vbox);

   frame = gtk_frame_new (_("Game rules"));
   gtk_box_pack_start (GTK_BOX(big_vbox), frame, FALSE, FALSE, 0);

   vbox = gtk_vbox_new (FALSE, 0);
   gtk_container_set_border_width (GTK_CONTAINER(vbox), 5);
   gtk_container_add (GTK_CONTAINER(frame), vbox);

   _rd.xrange = ut_spin_button_new (_("Board width"), 4, 99, rules_get_width(), vbox);
   _rd.yrange = ut_spin_button_new (_("Board height"), 4, 99, rules_get_height(), vbox);
   _rd.crange = ut_spin_button_new (_("Number of different objects"),
                                    3, gtkb_theme_get_balls_num(), rules_get_colors(), vbox);
   _rd.nrange = ut_spin_button_new (_("Number of 'next' objects"), 2, 99, rules_get_next(), vbox);
   _rd.drange = ut_spin_button_new (_("How many balls at line eliminate it"),
                                    3, 99, rules_get_destroy(), vbox);

   classic_button = ut_button_new (_("Classic rules"), rules_classic, dialog, big_vbox);

   separator = gtk_hseparator_new ();
   gtk_box_pack_start (GTK_BOX(big_vbox), separator, FALSE, FALSE, 5);

   buttons_box = gtk_hbutton_box_new ();
   gtk_button_box_set_layout (GTK_BUTTON_BOX(buttons_box), GTK_BUTTONBOX_SPREAD);
   gtk_box_pack_start (GTK_BOX(big_vbox), buttons_box, TRUE, TRUE, 0);

   ok_button = ut_button_new_stock (GTK_STOCK_OK, rules_ok, dialog, buttons_box);
   cancel_button = ut_button_new_stock_swap (GTK_STOCK_CANCEL, gtk_widget_destroy, dialog, buttons_box);

   gtk_widget_grab_default (ok_button);
   gtk_widget_show_all (dialog);
}