#include <stdio.h>
#include <sys/time.h>
#include <gtk/gtk.h>

static GtkListStore *store;
static GtkWidget *tree;

#define NUM_ITEMS 100
static GtkTreeIter iters[ NUM_ITEMS ];

#define NUM_EXTRA_ITEMS 5
static GtkTreeIter extra_iters[ NUM_EXTRA_ITEMS ];

int main (int argc, char **argv)
{
    GtkWidget *window;
    GtkCellRenderer *renderer;
    GtkTreeViewColumn *column;
    GtkWidget *scrolled;
    GtkTreePath *path;
    int i;

    gtk_init (&argc, &argv);
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    g_signal_connect (G_OBJECT (window), "destroy",
                      G_CALLBACK (gtk_main_quit), 0);
    g_signal_connect (G_OBJECT (window), "delete_event",
                      G_CALLBACK (gtk_main_quit), 0);
    gtk_widget_set_size_request (window, 400, 200);

    scrolled = gtk_scrolled_window_new (0, 0);
    store = gtk_list_store_new (1, G_TYPE_STRING);
    tree = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));
    gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree), TRUE);

    renderer = gtk_cell_renderer_text_new ();
    column = gtk_tree_view_column_new_with_attributes
               ("Column1", renderer, "text", 0, 0);
    gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);

    gtk_container_add (GTK_CONTAINER (scrolled), tree);
    gtk_container_add (GTK_CONTAINER (window), scrolled);


    // Add 100 elements to the list.
    for (i = 0; i < NUM_ITEMS; i++) {
        char text[ 256 ];
        sprintf (text, "item %d", i);
        gtk_list_store_append (store, &(iters[i]));
        gtk_list_store_set (store, &(iters[i]), 0, text, -1);
    }


    // XXX:
    // If the call to gtk_widget_show_all () is made, the
    // scroll code does not work.
    gtk_widget_show_all (window);


    // Add 5 more elements to the list.
    for (i = 0; i < NUM_EXTRA_ITEMS; i++) {
        char text[ 256 ];
        sprintf (text, "item %d", i);
        gtk_list_store_append (store, &(extra_iters[i]));
        gtk_list_store_set (store, &(extra_iters[i]), 0, text, -1);
    }


    // XXX: Scroll to item 40 from the first list.
    path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), &(iters[40]));
    gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (tree), path, NULL,
                                  TRUE, 0.0f, 0.0f);
    gtk_tree_path_free (path);



    gtk_widget_show_all (window);
    gtk_main ();

    return 0;
}