/* OpenIDA - Outil d'analyse de fichiers binaires
 * layout.c - mise en place de graphique
 *
 * Copyright (C) 2009 Cyrille Bagard
 *
 *  This file is part of OpenIDA.
 *
 *  OpenIDA 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  OpenIDA 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
 */


#include "layout.h"


#include <malloc.h>
#include <string.h>
#include <gtk/gtkfixed.h>


#include "dot.h"
#include "node.h"
#include "../common/extstr.h"



/******************************************************************************
*                                                                             *
*  Paramètres  : view  = support à placer les différents éléments.            *
*                views = morceaux de code à afficher de façon organisée.      *
*                count = quantité de ces morceaux de code.                    *
*                                                                             *
*  Description : Dispose une série de morceaux d'affichage en graphique.      *
*                                                                             *
*  Retour      : -                                                            *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

bool build_graph_view(GtkGraphView *view, GtkBinView **views, size_t count)
{
    GGraphNode **nodes;                     /* Intermédiaires en place     */
    size_t i;                               /* Boucle de parcours          */
    char *cmds;                             /* Description à envoyer à dot */
    graph_layout *layout;                   /* Graphique construit         */
    GtkLinkRenderer **links;                /* Liens graphiques construits */
    size_t links_count;                     /* Quantité de ces liens       */

    /* Création de la glue */

    nodes = (GGraphNode **)calloc(count, sizeof(GGraphNode *));

    for (i = 0; i < count; i++)
        nodes[i] = g_graph_node_new(views[i]);
 
    /* Définition du graphique */

    cmds = strdup("digraph G {\noverlap=false;\n  splines=true;\n");
    //cmds = strdup("digraph G {\n");

    for (i = 0; i < count; i++)
        cmds = g_graph_node_register_for_dot(nodes[i], cmds);







    for (i = 0; (i + 1) < count; i++)
    {
        char buffer[128];
        snprintf(buffer, 128, "_%p -> _%p;\n", views[i], views[i + 1]);
        cmds = stradd(cmds, buffer);
    }





    cmds = stradd(cmds, "}");

    printf("first step :: '%s'\n", cmds);

    layout = create_graph_layout(cmds);

    /* Affichage du graphique */

    place_nodes_of_graph_layout(layout, GTK_FIXED(view),  nodes, count);

    links = create_links_from_graph_layout(layout, &links_count);
    gtk_graph_view_attach_links(view, links, links_count);

    delete_graph_layout(layout);

    /* TODO : free nodes */

    return true;

}