/* testtreeflow.c

 * Copyright (C) 2001 Red Hat, Inc

 * Author: Jonathan Blandford

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library 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

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

#include "config.h"

#include <gtk/gtk.h>

GtkTreeModel *model = NULL;

static GRand *grand = NULL;

GtkTreeSelection *selection = NULL;

enum

{

  TEXT_COLUMN,

  NUM_COLUMNS

};

static char *words[] =

{

  "Boom",

  "Borp",

  "Multiline\ntext",

  "Bingo",

  "Veni\nVedi\nVici",

  NULL

};

#define NUM_WORDS 5

#define NUM_ROWS 100

static void

initialize_model (void)

{

  gint i;

  GtkTreeIter iter;

  model = (GtkTreeModel *) gtk_list_store_new (NUM_COLUMNS, G_TYPE_STRING);

  grand = g_rand_new ();

  for (i = 0; i < NUM_ROWS; i++)

    {

      gtk_list_store_append (GTK_LIST_STORE (model), &iter);

      gtk_list_store_set (GTK_LIST_STORE (model), &iter,

			  TEXT_COLUMN, words[g_rand_int_range (grand, 0, NUM_WORDS)],

			  -1);

    }

}

static void

futz_row (void)

{

  gint i;

  GtkTreePath *path;

  GtkTreeIter iter;

  GtkTreeIter iter2;

  i = g_rand_int_range (grand, 0,

			gtk_tree_model_iter_n_children (model, NULL));

  path = gtk_tree_path_new ();

  gtk_tree_path_append_index (path, i);

  gtk_tree_model_get_iter (model, &iter, path);

  gtk_tree_path_free (path);

  if (gtk_tree_selection_iter_is_selected (selection, &iter))

    return;

  switch (g_rand_int_range (grand, 0, 3))

    {

    case 0:

      /* insert */

            gtk_list_store_insert_after (GTK_LIST_STORE (model),

            				   &iter2, &iter);

            gtk_list_store_set (GTK_LIST_STORE (model), &iter2,

            			  TEXT_COLUMN, words[g_rand_int_range (grand, 0, NUM_WORDS)],

            			  -1);

      break;

    case 1:

      /* delete */

      if (gtk_tree_model_iter_n_children (model, NULL) == 0)

	return;

      gtk_list_store_remove (GTK_LIST_STORE (model), &iter);

      break;

    case 2:

      /* modify */

      return;

      if (gtk_tree_model_iter_n_children (model, NULL) == 0)

	return;

      gtk_list_store_set (GTK_LIST_STORE (model), &iter,

      			  TEXT_COLUMN, words[g_rand_int_range (grand, 0, NUM_WORDS)],

      			  -1);

      break;

    }

}

static gboolean

futz (void)

{

  gint i;

  for (i = 0; i < 15; i++)

    futz_row ();

  g_print ("Number of rows: %d\n", gtk_tree_model_iter_n_children (model, NULL));

  return TRUE;

}

int

main (int argc, char *argv[])

{

  GtkWidget *window;

  GtkWidget *vbox;

  GtkWidget *scrolled_window;

  GtkWidget *tree_view;

  GtkWidget *hbox;

  GtkWidget *button;

  GtkTreePath *path;

  gtk_init (&argc, &argv);

  path = gtk_tree_path_new_from_string ("80");

  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

  gtk_window_set_title (GTK_WINDOW (window), "Reflow test");

  g_signal_connect (window, "destroy", gtk_main_quit, NULL);

  vbox = gtk_vbox_new (FALSE, 8);

  gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);

  gtk_box_pack_start (GTK_BOX (vbox), gtk_label_new ("Incremental Reflow Test"), FALSE, FALSE, 0);

  gtk_container_add (GTK_CONTAINER (window), vbox);

  scrolled_window = gtk_scrolled_window_new (NULL, NULL);

  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),

				  GTK_POLICY_AUTOMATIC,

				  GTK_POLICY_AUTOMATIC);

  gtk_box_pack_start (GTK_BOX (vbox), scrolled_window, TRUE, TRUE, 0);

  initialize_model ();

  tree_view = gtk_tree_view_new_with_model (model);

  gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (tree_view), path, NULL, TRUE, 0.5, 0.0);

  selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));

  gtk_tree_selection_select_path (selection, path);

  gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (tree_view), TRUE);

  gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);

  gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),

					       -1,

					       NULL,

					       gtk_cell_renderer_text_new (),

					       "text", TEXT_COLUMN,

					       NULL);

  gtk_container_add (GTK_CONTAINER (scrolled_window), tree_view);

  hbox = gtk_hbox_new (FALSE, FALSE);

  gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);

  button = gtk_button_new_with_mnemonic ("_Futz!!");

  gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);

  gtk_label_set_use_markup (GTK_LABEL (GTK_BIN (button)->child), TRUE);

  g_signal_connect (button, "clicked", G_CALLBACK (futz), NULL);

  g_signal_connect (button, "realize", G_CALLBACK (gtk_widget_grab_focus), NULL);

  gtk_window_set_default_size (GTK_WINDOW (window), 300, 400);

  gtk_widget_show_all (window);

  gdk_threads_add_timeout (1000, (GSourceFunc) futz, NULL);

  gtk_main ();

  return 0;

}