/* testcombo.c

 * Copyright (C) 2003  Kristian Rietveld

 *

 * 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>

#include <string.h>

#include <stdio.h>

/**

 * oh yes, this test app surely has a lot of ugly code

 */

/* grid combo demo */

static GdkPixbuf *

create_color_pixbuf (const char *color)

{

        GdkPixbuf *pixbuf;

        GdkColor col;

        int x;

        int num;

        guchar *pixels, *p;

        if (!gdk_color_parse (color, &col))

                return NULL;

        pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,

                                 FALSE, 8,

                                 16, 16);

        p = pixels = gdk_pixbuf_get_pixels (pixbuf);

        num = gdk_pixbuf_get_width (pixbuf) *

                gdk_pixbuf_get_height (pixbuf);

        for (x = 0; x < num; x++) {

                p[0] = col.red / 65535.0 * 255;

                p[1] = col.green / 65535.0 * 255;

                p[2] = col.blue / 65535.0 * 255;

                p += 3;

        }

        return pixbuf;

}

static GtkWidget *

create_combo_box_grid_demo (void)

{

        GtkWidget *combo;

        GtkTreeIter iter;

        GdkPixbuf *pixbuf;

        GtkCellRenderer *cell = gtk_cell_renderer_pixbuf_new ();

        GtkListStore *store;

        store = gtk_list_store_new (3, GDK_TYPE_PIXBUF, G_TYPE_INT, G_TYPE_INT);

        /* first row */

        pixbuf = create_color_pixbuf ("red");

        gtk_list_store_append (store, &iter);

        gtk_list_store_set (store, &iter,

                            0, pixbuf,

                            1, 1, /* row span */

                            2, 1, /* column span */

                            -1);

        g_object_unref (pixbuf);

        pixbuf = create_color_pixbuf ("green");

        gtk_list_store_append (store, &iter);

        gtk_list_store_set (store, &iter,

                            0, pixbuf,

                            1, 1,

                            2, 1,

                            -1);

        g_object_unref (pixbuf);

        pixbuf = create_color_pixbuf ("blue");

        gtk_list_store_append (store, &iter);

        gtk_list_store_set (store, &iter,

                            0, pixbuf,

                            1, 1,

                            2, 1,

                            -1);

        g_object_unref (pixbuf);

        /* second row */

        pixbuf = create_color_pixbuf ("yellow");

        gtk_list_store_append (store, &iter);

        gtk_list_store_set (store, &iter,

                            0, pixbuf,

                            1, 1,

                            2, 2, /* Span 2 columns */

                            -1);

        g_object_unref (pixbuf);

        pixbuf = create_color_pixbuf ("black");

        gtk_list_store_append (store, &iter);

        gtk_list_store_set (store, &iter,

                            0, pixbuf,

                            1, 2, /* Span 2 rows */

                            2, 1,

                            -1);

        g_object_unref (pixbuf);

        /* third row */

        pixbuf = create_color_pixbuf ("gray");

        gtk_list_store_append (store, &iter);

        gtk_list_store_set (store, &iter,

                            0, pixbuf,

                            1, 1,

                            2, 1,

                            -1);

        g_object_unref (pixbuf);

        pixbuf = create_color_pixbuf ("magenta");

        gtk_list_store_append (store, &iter);

        gtk_list_store_set (store, &iter,

                            0, pixbuf,

                            1, 1,

                            2, 1,

                            -1);

        g_object_unref (pixbuf);

        /* Create ComboBox after model to avoid gtk_menu_attach() warnings(?) */

        combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (store));

        g_object_unref (store);

        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo),

                                    cell, TRUE);

        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo),

                                        cell, "pixbuf", 0, NULL);

        /* Set wrap-width != 0 to enforce grid mode */

        gtk_combo_box_set_wrap_width (GTK_COMBO_BOX (combo), 3);

        gtk_combo_box_set_row_span_column (GTK_COMBO_BOX (combo), 1);

        gtk_combo_box_set_column_span_column (GTK_COMBO_BOX (combo), 2);

        gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);

        return combo;

}

/* blaat */

static GtkTreeModel *

create_tree_blaat (void)

{

        GdkPixbuf *pixbuf;

        GtkWidget *cellview;

        GtkTreeIter iter, iter2;

        GtkTreeStore *store;

        cellview = gtk_cell_view_new ();

	store = gtk_tree_store_new (3, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_BOOLEAN);

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_DIALOG_WARNING,

                                         GTK_ICON_SIZE_BUTTON, NULL);

        gtk_tree_store_append (store, &iter, NULL);

        gtk_tree_store_set (store, &iter,

                            0, pixbuf,

                            1, "gtk-stock-dialog-warning",

			    2, FALSE,

                            -1);

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_STOP,

                                         GTK_ICON_SIZE_BUTTON, NULL);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, pixbuf,

                            1, "gtk-stock-stop",

			    2, FALSE,

                            -1);

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_NEW,

                                         GTK_ICON_SIZE_BUTTON, NULL);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, pixbuf,

                            1, "gtk-stock-new",

			    2, FALSE,

                            -1);

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_CLEAR,

                                         GTK_ICON_SIZE_BUTTON, NULL);

        gtk_tree_store_append (store, &iter, NULL);

        gtk_tree_store_set (store, &iter,

                            0, pixbuf,

                            1, "gtk-stock-clear",

			    2, FALSE,

                            -1);

#if 0

        gtk_tree_store_append (store, &iter, NULL);

        gtk_tree_store_set (store, &iter,

                            0, NULL,

                            1, "separator",

			    2, TRUE,

                            -1);

#endif

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_OPEN,

                                         GTK_ICON_SIZE_BUTTON, NULL);

        gtk_tree_store_append (store, &iter, NULL);

        gtk_tree_store_set (store, &iter,

                            0, pixbuf,

                            1, "gtk-stock-open",

			    2, FALSE,

                            -1);

        gtk_widget_destroy (cellview);

        return GTK_TREE_MODEL (store);

}

static GtkTreeModel *

create_empty_list_blaat (void)

{

        GdkPixbuf *pixbuf;

        GtkWidget *cellview;

        GtkTreeIter iter;

        GtkListStore *store;

        cellview = gtk_cell_view_new ();

        store = gtk_list_store_new (2, GDK_TYPE_PIXBUF, G_TYPE_STRING);

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_DIALOG_WARNING,

                                         GTK_ICON_SIZE_BUTTON, NULL);

        gtk_list_store_append (store, &iter);

        gtk_list_store_set (store, &iter,

                            0, pixbuf,

                            1, "gtk-stock-dialog-warning",

                            -1);

        gtk_widget_destroy (cellview);

        return GTK_TREE_MODEL (store);

}

static void

populate_list_blaat (gpointer data)

{

  GtkComboBox *combo_box = GTK_COMBO_BOX (data);

  GtkListStore *store;

  GdkPixbuf *pixbuf;

  GtkWidget *cellview;

  GtkTreeIter iter;

  store = GTK_LIST_STORE (gtk_combo_box_get_model (combo_box));

  gtk_tree_model_get_iter_first (GTK_TREE_MODEL (store), &iter);

  if (gtk_tree_model_iter_next (GTK_TREE_MODEL (store), &iter))

    return;

  cellview = gtk_cell_view_new ();

  pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_STOP,

				   GTK_ICON_SIZE_BUTTON, NULL);

  gtk_list_store_append (store, &iter);			       

  gtk_list_store_set (store, &iter,

		      0, pixbuf,

		      1, "gtk-stock-stop",

		      -1);

  pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_NEW,

				   GTK_ICON_SIZE_BUTTON, NULL);

  gtk_list_store_append (store, &iter);			       

  gtk_list_store_set (store, &iter,

		      0, pixbuf,

		      1, "gtk-stock-new",

		      -1);

  pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_CLEAR,

				   GTK_ICON_SIZE_BUTTON, NULL);

  gtk_list_store_append (store, &iter);

  gtk_list_store_set (store, &iter,

		      0, pixbuf,

		      1, "gtk-stock-clear",

		      -1);

  gtk_list_store_append (store, &iter);

  gtk_list_store_set (store, &iter,

		      0, NULL,

		      1, "separator",

		      -1);

  pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_OPEN,

				   GTK_ICON_SIZE_BUTTON, NULL);

  gtk_list_store_append (store, &iter);

  gtk_list_store_set (store, &iter,

		      0, pixbuf,

		      1, "gtk-stock-open",

		      -1);

  gtk_widget_destroy (cellview);  

}

static GtkTreeModel *

create_list_blaat (void)

{

        GdkPixbuf *pixbuf;

        GtkWidget *cellview;

        GtkTreeIter iter;

        GtkListStore *store;

        cellview = gtk_cell_view_new ();

        store = gtk_list_store_new (2, GDK_TYPE_PIXBUF, G_TYPE_STRING);

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_DIALOG_WARNING,

                                         GTK_ICON_SIZE_BUTTON, NULL);

        gtk_list_store_append (store, &iter);

        gtk_list_store_set (store, &iter,

                            0, pixbuf,

                            1, "gtk-stock-dialog-warning",

                            -1);

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_STOP,

                                         GTK_ICON_SIZE_BUTTON, NULL);

        gtk_list_store_append (store, &iter);			       

        gtk_list_store_set (store, &iter,

                            0, pixbuf,

                            1, "gtk-stock-stop",

                            -1);

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_NEW,

                                         GTK_ICON_SIZE_BUTTON, NULL);

        gtk_list_store_append (store, &iter);			       

        gtk_list_store_set (store, &iter,

                            0, pixbuf,

                            1, "gtk-stock-new",

                            -1);

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_CLEAR,

                                         GTK_ICON_SIZE_BUTTON, NULL);

        gtk_list_store_append (store, &iter);

        gtk_list_store_set (store, &iter,

                            0, pixbuf,

                            1, "gtk-stock-clear",

                            -1);

        gtk_list_store_append (store, &iter);

        gtk_list_store_set (store, &iter,

                            0, NULL,

                            1, "separator",

                            -1);

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_OPEN,

                                         GTK_ICON_SIZE_BUTTON, NULL);

        gtk_list_store_append (store, &iter);

        gtk_list_store_set (store, &iter,

                            0, pixbuf,

                            1, "gtk-stock-open",

                            -1);

        gtk_widget_destroy (cellview);

        return GTK_TREE_MODEL (store);

}

/* blaat */

static GtkTreeModel *

create_phylogenetic_tree (void)

{

        GtkTreeIter iter, iter2, iter3;

        GtkTreeStore *store;

	store = gtk_tree_store_new (1,G_TYPE_STRING);

        gtk_tree_store_append (store, &iter, NULL);

        gtk_tree_store_set (store, &iter,

                            0, "Eubacteria",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Aquifecales",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Thermotogales",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Thermodesulfobacterium",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Thermus-Deinococcus group",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Chloroflecales",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Cyanobacteria",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Firmicutes",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Leptospirillium Group",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Synergistes",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Chlorobium-Flavobacteria group",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Chlamydia-Verrucomicrobia group",

                            -1);

        gtk_tree_store_append (store, &iter3, &iter2);			       

        gtk_tree_store_set (store, &iter3,

                            0, "Verrucomicrobia",

                            -1);

        gtk_tree_store_append (store, &iter3, &iter2);			       

        gtk_tree_store_set (store, &iter3,

                            0, "Chlamydia",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Flexistipes",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Fibrobacter group",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "spirocheteus",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Proteobacteria",

                            -1);

        gtk_tree_store_append (store, &iter3, &iter2);			       

        gtk_tree_store_set (store, &iter3,

                            0, "alpha",

                            -1);

        gtk_tree_store_append (store, &iter3, &iter2);			       

        gtk_tree_store_set (store, &iter3,

                            0, "beta",

                            -1);

        gtk_tree_store_append (store, &iter3, &iter2);			       

        gtk_tree_store_set (store, &iter3,

                            0, "delta ",

                            -1);

        gtk_tree_store_append (store, &iter3, &iter2);			       

        gtk_tree_store_set (store, &iter3,

                            0, "epsilon",

                            -1);

        gtk_tree_store_append (store, &iter3, &iter2);  

        gtk_tree_store_set (store, &iter3,

                            0, "gamma ",

                            -1);

        gtk_tree_store_append (store, &iter, NULL);			       

        gtk_tree_store_set (store, &iter,

                            0, "Eukaryotes",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Metazoa",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Bilateria",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Myxozoa",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Cnidaria",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Ctenophora",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Placozoa",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Porifera",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "choanoflagellates",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Fungi",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Microsporidia",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Aleveolates",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Stramenopiles",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Rhodophyta",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Viridaeplantae",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "crytomonads et al",

                            -1);

        gtk_tree_store_append (store, &iter, NULL);			       

        gtk_tree_store_set (store, &iter,

                            0, "Archaea ",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Korarchaeota",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Crenarchaeota",

                            -1);

        gtk_tree_store_append (store, &iter2, &iter);			       

        gtk_tree_store_set (store, &iter2,

                            0, "Buryarchaeota",

                            -1);

        return GTK_TREE_MODEL (store);

}

/* blaat */

static GtkTreeModel *

create_capital_tree (void)

{

        GtkTreeIter iter, iter2;

        GtkTreeStore *store;

	store = gtk_tree_store_new (1, G_TYPE_STRING);

        gtk_tree_store_append (store, &iter, NULL);

        gtk_tree_store_set (store, &iter, 0, "A - B", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Albany", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Annapolis", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Atlanta", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Augusta", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Austin", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Baton Rouge", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Bismarck", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Boise", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Boston", -1);

        gtk_tree_store_append (store, &iter, NULL);

        gtk_tree_store_set (store, &iter, 0, "C - D", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Carson City", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Charleston", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Cheyenne", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Columbia", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Columbus", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Concord", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Denver", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Des Moines", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Dover", -1);

        gtk_tree_store_append (store, &iter, NULL);

        gtk_tree_store_set (store, &iter, 0, "E - J", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Frankfort", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Harrisburg", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Hartford", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Helena", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Honolulu", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Indianapolis", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Jackson", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Jefferson City", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Juneau", -1);

        gtk_tree_store_append (store, &iter, NULL);

        gtk_tree_store_set (store, &iter, 0, "K - O", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Lansing", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Lincoln", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Little Rock", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Madison", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Montgomery", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Montpelier", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Nashville", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Oklahoma City", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Olympia", -1);

        gtk_tree_store_append (store, &iter, NULL);

        gtk_tree_store_set (store, &iter, 0, "P - S", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Phoenix", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Pierre", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Providence", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Raleigh", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Richmond", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Sacramento", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Salem", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Salt Lake City", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Santa Fe", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Springfield", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "St. Paul", -1);

        gtk_tree_store_append (store, &iter, NULL);

        gtk_tree_store_set (store, &iter, 0, "T - Z", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Tallahassee", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Topeka", -1);

        gtk_tree_store_append (store, &iter2, &iter);

        gtk_tree_store_set (store, &iter2, 0, "Trenton", -1);

        return GTK_TREE_MODEL (store);

}

static void

capital_sensitive (GtkCellLayout   *cell_layout,

		   GtkCellRenderer *cell,

		   GtkTreeModel    *tree_model,

		   GtkTreeIter     *iter,

		   gpointer         data)

{

  gboolean sensitive;

  sensitive = !gtk_tree_model_iter_has_child (tree_model, iter);

  g_object_set (cell, "sensitive", sensitive, NULL);

}

static gboolean

capital_animation (gpointer data)

{

  static gint insert_count = 0;

  GtkTreeModel *model = GTK_TREE_MODEL (data);

  GtkTreePath *path;

  GtkTreeIter iter, parent;

  switch (insert_count % 8)

    {

    case 0:

      gtk_tree_store_insert (GTK_TREE_STORE (model), &iter, NULL, 0);

      gtk_tree_store_set (GTK_TREE_STORE (model), 

			  &iter,

			  0, "Europe", -1);

      break;

    case 1:

      path = gtk_tree_path_new_from_indices (0, -1);

      gtk_tree_model_get_iter (model, &parent, path);

      gtk_tree_path_free (path);

      gtk_tree_store_insert (GTK_TREE_STORE (model), &iter, &parent, 0);

      gtk_tree_store_set (GTK_TREE_STORE (model), 

			  &iter,

			  0, "Berlin", -1);

      break;

    case 2:

      path = gtk_tree_path_new_from_indices (0, -1);

      gtk_tree_model_get_iter (model, &parent, path);

      gtk_tree_path_free (path);

      gtk_tree_store_insert (GTK_TREE_STORE (model), &iter, &parent, 1);

      gtk_tree_store_set (GTK_TREE_STORE (model), 

			  &iter,

			  0, "London", -1);

      break;

    case 3:

      path = gtk_tree_path_new_from_indices (0, -1);

      gtk_tree_model_get_iter (model, &parent, path);

      gtk_tree_path_free (path);

      gtk_tree_store_insert (GTK_TREE_STORE (model), &iter, &parent, 2);

      gtk_tree_store_set (GTK_TREE_STORE (model), 

			  &iter,

			  0, "Paris", -1);

      break;

    case 4:

      path = gtk_tree_path_new_from_indices (0, 2, -1);

      gtk_tree_model_get_iter (model, &iter, path);

      gtk_tree_path_free (path);

      gtk_tree_store_remove (GTK_TREE_STORE (model), &iter);

      break;