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testgtk.c

/* GTK - The GIMP Toolkit
 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
 *
 * 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.
 */

/*
 * Modified by the GTK+ Team and others 1997-1999.  See the AUTHORS
 * file for a list of people on the GTK+ Team.  See the ChangeLog
 * files for a list of changes.  These files are distributed with
 * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
 */

#undef      G_LOG_DOMAIN

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <sys/stat.h>
#include <time.h>
#include <unistd.h>
#include "gtk.h"
#include "../gdk/gdk.h"
#include "../gdk/gdkx.h"
#include "../gdk/gdkkeysyms.h"

#include "circles.xbm"

typedef struct _OptionMenuItem
{
  gchar        *name;
  GtkSignalFunc func;
} OptionMenuItem;

GtkWidget *
shape_create_icon (char     *xpm_file,
               gint      x,
               gint      y,
               gint      px,
               gint      py,
               gint      window_type);

static GtkWidget *
build_option_menu (OptionMenuItem items[],
               gint           num_items,
               gint           history,
               gpointer       data);

/* macro, structure and variables used by tree window demos */
#define DEFAULT_NUMBER_OF_ITEM  3
#define DEFAULT_RECURSION_LEVEL 3

struct {
  GSList* selection_mode_group;
  GtkWidget* single_button;
  GtkWidget* browse_button;
  GtkWidget* multiple_button;
  GtkWidget* draw_line_button;
  GtkWidget* view_line_button;
  GtkWidget* no_root_item_button;
  GtkWidget* nb_item_spinner;
  GtkWidget* recursion_spinner;
} sTreeSampleSelection;

typedef struct sTreeButtons {
  guint nb_item_add;
  GtkWidget* add_button;
  GtkWidget* remove_button;
  GtkWidget* subtree_button;
} sTreeButtons;
/* end of tree section */

static GtkWidget *
build_option_menu (OptionMenuItem items[],
               gint           num_items,
               gint           history,
               gpointer       data)
{
  GtkWidget *omenu;
  GtkWidget *menu;
  GtkWidget *menu_item;
  GSList *group;
  gint i;

  omenu = gtk_option_menu_new ();
      
  menu = gtk_menu_new ();
  group = NULL;
  
  for (i = 0; i < num_items; i++)
    {
      menu_item = gtk_radio_menu_item_new_with_label (group, items[i].name);
      gtk_signal_connect (GTK_OBJECT (menu_item), "activate",
                    (GtkSignalFunc) items[i].func, data);
      group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (menu_item));
      gtk_menu_append (GTK_MENU (menu), menu_item);
      if (i == history)
      gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menu_item), TRUE);
      gtk_widget_show (menu_item);
    }

  gtk_option_menu_set_menu (GTK_OPTION_MENU (omenu), menu);
  gtk_option_menu_set_history (GTK_OPTION_MENU (omenu), history);
  
  return omenu;
}

static void
destroy_tooltips (GtkWidget *widget, GtkWindow **window)
{
  GtkTooltips *tt = gtk_object_get_data (GTK_OBJECT (*window), "tooltips");
  gtk_object_unref (GTK_OBJECT (tt));
  *window = NULL;
}

/*
 * GtkButton
 */

static void
button_window (GtkWidget *widget,
             GtkWidget *button)
{
  if (!GTK_WIDGET_VISIBLE (button))
    gtk_widget_show (button);
  else
    gtk_widget_hide (button);
}

static void
create_buttons (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *table;
  GtkWidget *button[10];
  GtkWidget *separator;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC (gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "GtkButton");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);

      table = gtk_table_new (3, 3, FALSE);
      gtk_table_set_row_spacings (GTK_TABLE (table), 5);
      gtk_table_set_col_spacings (GTK_TABLE (table), 5);
      gtk_container_set_border_width (GTK_CONTAINER (table), 10);
      gtk_box_pack_start (GTK_BOX (box1), table, TRUE, TRUE, 0);

      button[0] = gtk_button_new_with_label ("button1");
      button[1] = gtk_button_new_with_label ("button2");
      button[2] = gtk_button_new_with_label ("button3");
      button[3] = gtk_button_new_with_label ("button4");
      button[4] = gtk_button_new_with_label ("button5");
      button[5] = gtk_button_new_with_label ("button6");
      button[6] = gtk_button_new_with_label ("button7");
      button[7] = gtk_button_new_with_label ("button8");
      button[8] = gtk_button_new_with_label ("button9");

      gtk_signal_connect (GTK_OBJECT (button[0]), "clicked",
                    GTK_SIGNAL_FUNC(button_window),
                    button[1]);

      gtk_table_attach (GTK_TABLE (table), button[0], 0, 1, 0, 1,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[1]), "clicked",
                    GTK_SIGNAL_FUNC(button_window),
                    button[2]);

      gtk_table_attach (GTK_TABLE (table), button[1], 1, 2, 1, 2,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[2]), "clicked",
                    GTK_SIGNAL_FUNC(button_window),
                    button[3]);
      gtk_table_attach (GTK_TABLE (table), button[2], 2, 3, 2, 3,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[3]), "clicked",
                    GTK_SIGNAL_FUNC(button_window),
                    button[4]);
      gtk_table_attach (GTK_TABLE (table), button[3], 0, 1, 2, 3,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[4]), "clicked",
                    GTK_SIGNAL_FUNC(button_window),
                    button[5]);
      gtk_table_attach (GTK_TABLE (table), button[4], 2, 3, 0, 1,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[5]), "clicked",
                    GTK_SIGNAL_FUNC(button_window),
                    button[6]);
      gtk_table_attach (GTK_TABLE (table), button[5], 1, 2, 2, 3,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[6]), "clicked",
                    GTK_SIGNAL_FUNC(button_window),
                    button[7]);
      gtk_table_attach (GTK_TABLE (table), button[6], 1, 2, 0, 1,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[7]), "clicked",
                    GTK_SIGNAL_FUNC(button_window),
                    button[8]);
      gtk_table_attach (GTK_TABLE (table), button[7], 2, 3, 1, 2,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[8]), "clicked",
                    GTK_SIGNAL_FUNC(button_window),
                    button[0]);
      gtk_table_attach (GTK_TABLE (table), button[8], 0, 1, 1, 2,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button[9] = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button[9]), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button[9], TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button[9], GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button[9]);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkToggleButton
 */

static void
create_toggle_buttons (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *button;
  GtkWidget *separator;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "GtkToggleButton");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);

      button = gtk_toggle_button_new_with_label ("button1");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      button = gtk_toggle_button_new_with_label ("button2");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      button = gtk_toggle_button_new_with_label ("button3");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkCheckButton
 */

static void
create_check_buttons (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *button;
  GtkWidget *separator;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "GtkCheckButton");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);

      button = gtk_check_button_new_with_label ("button1");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      button = gtk_check_button_new_with_label ("button2");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      button = gtk_check_button_new_with_label ("button3");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkRadioButton
 */

static void
create_radio_buttons (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *button;
  GtkWidget *separator;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "radio buttons");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);

      button = gtk_radio_button_new_with_label (NULL, "button1");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      button = gtk_radio_button_new_with_label (
               gtk_radio_button_group (GTK_RADIO_BUTTON (button)),
             "button2");
      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      button = gtk_radio_button_new_with_label (
                 gtk_radio_button_group (GTK_RADIO_BUTTON (button)),
             "button3");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkButtonBox
 */

static GtkWidget *
create_bbox (gint  horizontal,
           char* title, 
           gint  spacing,
           gint  child_w, 
           gint  child_h, 
           gint  layout)
{
  GtkWidget *frame;
  GtkWidget *bbox;
  GtkWidget *button;
      
  frame = gtk_frame_new (title);

  if (horizontal)
    bbox = gtk_hbutton_box_new ();
  else
    bbox = gtk_vbutton_box_new ();

  gtk_container_set_border_width (GTK_CONTAINER (bbox), 5);
  gtk_container_add (GTK_CONTAINER (frame), bbox);

  gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), layout);
  gtk_button_box_set_spacing (GTK_BUTTON_BOX (bbox), spacing);
  gtk_button_box_set_child_size (GTK_BUTTON_BOX (bbox), child_w, child_h);
  
  button = gtk_button_new_with_label ("OK");
  gtk_container_add (GTK_CONTAINER (bbox), button);
  
  button = gtk_button_new_with_label ("Cancel");
  gtk_container_add (GTK_CONTAINER (bbox), button);
  
  button = gtk_button_new_with_label ("Help");
  gtk_container_add (GTK_CONTAINER (bbox), button);

  return frame;
}

static void
create_button_box (void)
{
  static GtkWidget* window = NULL;
  GtkWidget *main_vbox;
  GtkWidget *vbox;
  GtkWidget *hbox;
  GtkWidget *frame_horz;
  GtkWidget *frame_vert;
      
  if (!window)
  {
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title (GTK_WINDOW (window), "Button Boxes");
    
    gtk_signal_connect (GTK_OBJECT (window), "destroy",
                  GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                  &window);
    
    gtk_container_set_border_width (GTK_CONTAINER (window), 10);

    main_vbox = gtk_vbox_new (FALSE, 0);
    gtk_container_add (GTK_CONTAINER (window), main_vbox);
    
    frame_horz = gtk_frame_new ("Horizontal Button Boxes");
    gtk_box_pack_start (GTK_BOX (main_vbox), frame_horz, TRUE, TRUE, 10);
    
    vbox = gtk_vbox_new (FALSE, 0);
    gtk_container_set_border_width (GTK_CONTAINER (vbox), 10);
    gtk_container_add (GTK_CONTAINER (frame_horz), vbox);

    gtk_box_pack_start (GTK_BOX (vbox), 
         create_bbox (TRUE, "Spread", 40, 85, 20, GTK_BUTTONBOX_SPREAD),
                  TRUE, TRUE, 0);

    gtk_box_pack_start (GTK_BOX (vbox), 
         create_bbox (TRUE, "Edge", 40, 85, 20, GTK_BUTTONBOX_EDGE),
                  TRUE, TRUE, 5);

    gtk_box_pack_start (GTK_BOX (vbox), 
         create_bbox (TRUE, "Start", 40, 85, 20, GTK_BUTTONBOX_START),
                  TRUE, TRUE, 5);

    gtk_box_pack_start (GTK_BOX (vbox), 
         create_bbox (TRUE, "End", 40, 85, 20, GTK_BUTTONBOX_END),
                  TRUE, TRUE, 5);

    frame_vert = gtk_frame_new ("Vertical Button Boxes");
    gtk_box_pack_start (GTK_BOX (main_vbox), frame_vert, TRUE, TRUE, 10);
    
    hbox = gtk_hbox_new (FALSE, 0);
    gtk_container_set_border_width (GTK_CONTAINER (hbox), 10);
    gtk_container_add (GTK_CONTAINER (frame_vert), hbox);

    gtk_box_pack_start (GTK_BOX (hbox), 
         create_bbox (FALSE, "Spread", 30, 85, 20, GTK_BUTTONBOX_SPREAD),
                  TRUE, TRUE, 0);

    gtk_box_pack_start (GTK_BOX (hbox), 
         create_bbox (FALSE, "Edge", 30, 85, 20, GTK_BUTTONBOX_EDGE),
                  TRUE, TRUE, 5);

    gtk_box_pack_start (GTK_BOX (hbox), 
         create_bbox (FALSE, "Start", 30, 85, 20, GTK_BUTTONBOX_START),
                  TRUE, TRUE, 5);

    gtk_box_pack_start (GTK_BOX (hbox), 
         create_bbox (FALSE, "End", 30, 85, 20, GTK_BUTTONBOX_END),
                  TRUE, TRUE, 5);
  }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkToolBar
 */

static GtkWidget*
new_pixmap (char      *filename,
          GdkWindow *window,
          GdkColor  *background)
{
  GtkWidget *wpixmap;
  GdkPixmap *pixmap;
  GdkBitmap *mask;

  pixmap = gdk_pixmap_create_from_xpm (window, &mask,
                               background,
                               filename);
  wpixmap = gtk_pixmap_new (pixmap, mask);

  return wpixmap;
}

static void
set_toolbar_horizontal (GtkWidget *widget,
                  gpointer   data)
{
  gtk_toolbar_set_orientation (GTK_TOOLBAR (data), GTK_ORIENTATION_HORIZONTAL);
}

static void
set_toolbar_vertical (GtkWidget *widget,
                  gpointer   data)
{
  gtk_toolbar_set_orientation (GTK_TOOLBAR (data), GTK_ORIENTATION_VERTICAL);
}

static void
set_toolbar_icons (GtkWidget *widget,
               gpointer   data)
{
  gtk_toolbar_set_style (GTK_TOOLBAR (data), GTK_TOOLBAR_ICONS);
}

static void
set_toolbar_text (GtkWidget *widget,
                gpointer   data)
{
  gtk_toolbar_set_style (GTK_TOOLBAR (data), GTK_TOOLBAR_TEXT);
}

static void
set_toolbar_both (GtkWidget *widget,
              gpointer   data)
{
  gtk_toolbar_set_style (GTK_TOOLBAR (data), GTK_TOOLBAR_BOTH);
}

static void
set_toolbar_small_space (GtkWidget *widget,
                   gpointer   data)
{
  gtk_toolbar_set_space_size (GTK_TOOLBAR (data), 5);
}

static void
set_toolbar_big_space (GtkWidget *widget,
                   gpointer   data)
{
  gtk_toolbar_set_space_size (GTK_TOOLBAR (data), 10);
}

static void
set_toolbar_enable (GtkWidget *widget,
                gpointer   data)
{
  gtk_toolbar_set_tooltips (GTK_TOOLBAR (data), TRUE);
}

static void
set_toolbar_disable (GtkWidget *widget,
                 gpointer   data)
{
  gtk_toolbar_set_tooltips (GTK_TOOLBAR (data), FALSE);
}

static void
set_toolbar_borders (GtkWidget *widget,
                 gpointer   data)
{
  gtk_toolbar_set_button_relief (GTK_TOOLBAR (data), GTK_RELIEF_NORMAL);
}

static void
set_toolbar_borderless (GtkWidget *widget,
                  gpointer   data)
{
  gtk_toolbar_set_button_relief (GTK_TOOLBAR (data), GTK_RELIEF_NONE);
}

static void
set_toolbar_space_style_empty (GtkWidget *widget,
                         gpointer   data)
{
  gtk_toolbar_set_space_style (GTK_TOOLBAR (data), GTK_TOOLBAR_SPACE_EMPTY);
}

static void
set_toolbar_space_style_line (GtkWidget *widget,
                        gpointer   data)
{
  gtk_toolbar_set_space_style (GTK_TOOLBAR (data), GTK_TOOLBAR_SPACE_LINE);
}

static void
create_toolbar (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *toolbar;
  GtkWidget *entry;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      gtk_window_set_title (GTK_WINDOW (window), "Toolbar test");
      gtk_window_set_policy (GTK_WINDOW (window), FALSE, TRUE, TRUE);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC (gtk_widget_destroyed),
                    &window);

      gtk_container_set_border_width (GTK_CONTAINER (window), 0);
      gtk_widget_realize (window);

      toolbar = gtk_toolbar_new (GTK_ORIENTATION_HORIZONTAL, GTK_TOOLBAR_BOTH);
      gtk_toolbar_set_button_relief (GTK_TOOLBAR (toolbar), GTK_RELIEF_NONE);

      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                         "Horizontal", "Horizontal toolbar layout", "Toolbar/Horizontal",
                         new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                         (GtkSignalFunc) set_toolbar_horizontal, toolbar);
      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                         "Vertical", "Vertical toolbar layout", "Toolbar/Vertical",
                         new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                         (GtkSignalFunc) set_toolbar_vertical, toolbar);

      gtk_toolbar_append_space (GTK_TOOLBAR(toolbar));

      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                         "Icons", "Only show toolbar icons", "Toolbar/IconsOnly",
                         new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                         (GtkSignalFunc) set_toolbar_icons, toolbar);
      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                         "Text", "Only show toolbar text", "Toolbar/TextOnly",
                         new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                         (GtkSignalFunc) set_toolbar_text, toolbar);
      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                         "Both", "Show toolbar icons and text", "Toolbar/Both",
                         new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                         (GtkSignalFunc) set_toolbar_both, toolbar);

      gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));

      entry = gtk_entry_new ();

      gtk_toolbar_append_widget (GTK_TOOLBAR (toolbar), entry, "This is an unusable GtkEntry ;)", "Hey don't click me!!!");

      gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));

      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                         "Small", "Use small spaces", "Toolbar/Small",
                         new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                         (GtkSignalFunc) set_toolbar_small_space, toolbar);
      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                         "Big", "Use big spaces", "Toolbar/Big",
                         new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                         (GtkSignalFunc) set_toolbar_big_space, toolbar);

      gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));

      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                         "Enable", "Enable tooltips", NULL,
                         new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                         (GtkSignalFunc) set_toolbar_enable, toolbar);
      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                         "Disable", "Disable tooltips", NULL,
                         new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                         (GtkSignalFunc) set_toolbar_disable, toolbar);

      gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));

      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                         "Borders", "Show Borders", NULL,
                         new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                         (GtkSignalFunc) set_toolbar_borders, toolbar);
      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                         "Borderless", "Hide Borders", NULL,
                         new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                         (GtkSignalFunc) set_toolbar_borderless, toolbar);

      gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));
      
      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                         "Empty", "Empty spaces", NULL,
                         new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                         (GtkSignalFunc) set_toolbar_space_style_empty, toolbar);
      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                         "Lines", "Lines in spaces", NULL,
                         new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                         (GtkSignalFunc) set_toolbar_space_style_line, toolbar);

      gtk_container_add (GTK_CONTAINER (window), toolbar);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

static GtkWidget*
make_toolbar (GtkWidget *window)
{
  GtkWidget *toolbar;

  if (!GTK_WIDGET_REALIZED (window))
    gtk_widget_realize (window);

  toolbar = gtk_toolbar_new (GTK_ORIENTATION_HORIZONTAL, GTK_TOOLBAR_BOTH);
  gtk_toolbar_set_button_relief (GTK_TOOLBAR (toolbar), GTK_RELIEF_NONE);

  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                     "Horizontal", "Horizontal toolbar layout", NULL,
                     new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                     (GtkSignalFunc) set_toolbar_horizontal, toolbar);
  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                     "Vertical", "Vertical toolbar layout", NULL,
                     new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                     (GtkSignalFunc) set_toolbar_vertical, toolbar);

  gtk_toolbar_append_space (GTK_TOOLBAR(toolbar));

  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                     "Icons", "Only show toolbar icons", NULL,
                     new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                     (GtkSignalFunc) set_toolbar_icons, toolbar);
  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                     "Text", "Only show toolbar text", NULL,
                     new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                     (GtkSignalFunc) set_toolbar_text, toolbar);
  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                     "Both", "Show toolbar icons and text", NULL,
                     new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                     (GtkSignalFunc) set_toolbar_both, toolbar);

  gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));

  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                     "Small", "Use small spaces", NULL,
                     new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                     (GtkSignalFunc) set_toolbar_small_space, toolbar);
  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                     "Big", "Use big spaces", "Toolbar/Big",
                     new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                     (GtkSignalFunc) set_toolbar_big_space, toolbar);

  gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));

  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                     "Enable", "Enable tooltips", NULL,
                     new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                     (GtkSignalFunc) set_toolbar_enable, toolbar);
  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                     "Disable", "Disable tooltips", NULL,
                     new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                     (GtkSignalFunc) set_toolbar_disable, toolbar);

  gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));
  
  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                     "Borders", "Show Borders", NULL,
                     new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                     (GtkSignalFunc) set_toolbar_borders, toolbar);
  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
                     "Borderless", "Hide Borders", NULL,
                     new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
                     (GtkSignalFunc) set_toolbar_borderless, toolbar);

  return toolbar;
}

/*
 * GtkStatusBar
 */

static guint statusbar_counter = 1;

static void
statusbar_push (GtkWidget *button,
            GtkStatusbar *statusbar)
{
  gchar text[1024];

  sprintf (text, "something %d", statusbar_counter++);

  gtk_statusbar_push (statusbar, 1, text);
}

static void
statusbar_pop (GtkWidget *button,
             GtkStatusbar *statusbar)
{
  gtk_statusbar_pop (statusbar, 1);
}

static void
statusbar_steal (GtkWidget *button,
               GtkStatusbar *statusbar)
{
  gtk_statusbar_remove (statusbar, 1, 4);
}

static void
statusbar_popped (GtkStatusbar  *statusbar,
              guint          context_id,
              const gchar     *text)
{
  if (!statusbar->messages)
    statusbar_counter = 1;
}

static void
statusbar_contexts (GtkStatusbar *statusbar)
{
  gchar *string;

  string = "any context";
  g_print ("GtkStatusBar: context=\"%s\", context_id=%d\n",
         string,
         gtk_statusbar_get_context_id (statusbar, string));
  
  string = "idle messages";
  g_print ("GtkStatusBar: context=\"%s\", context_id=%d\n",
         string,
         gtk_statusbar_get_context_id (statusbar, string));
  
  string = "some text";
  g_print ("GtkStatusBar: context=\"%s\", context_id=%d\n",
         string,
         gtk_statusbar_get_context_id (statusbar, string));

  string = "hit the mouse";
  g_print ("GtkStatusBar: context=\"%s\", context_id=%d\n",
         string,
         gtk_statusbar_get_context_id (statusbar, string));

  string = "hit the mouse2";
  g_print ("GtkStatusBar: context=\"%s\", context_id=%d\n",
         string,
         gtk_statusbar_get_context_id (statusbar, string));
}

static void
statusbar_dump_stack (GtkStatusbar *statusbar)
{
  GSList *list;

  for (list = statusbar->messages; list; list = list->next)
    {
      GtkStatusbarMsg *msg;

      msg = list->data;
      g_print ("context_id: %d, message_id: %d, status_text: \"%s\"\n",
               msg->context_id,
               msg->message_id,
               msg->text);
    }
}

static void
create_statusbar (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *button;
  GtkWidget *separator;
  GtkWidget *statusbar;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC (gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "statusbar");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);

      statusbar = gtk_statusbar_new ();
      gtk_box_pack_end (GTK_BOX (box1), statusbar, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (statusbar),
                    "text_popped",
                    GTK_SIGNAL_FUNC (statusbar_popped),
                    NULL);

      button = gtk_widget_new (gtk_button_get_type (),
                         "label", "push something",
                         "visible", TRUE,
                         "parent", box2,
                         "signal::clicked", statusbar_push, statusbar,
                         NULL);

      button = gtk_widget_new (gtk_button_get_type (),
                         "label", "pop",
                         "visible", TRUE,
                         "parent", box2,
                         "signal_after::clicked", statusbar_pop, statusbar,
                         NULL);

      button = gtk_widget_new (gtk_button_get_type (),
                         "label", "steal #4",
                         "visible", TRUE,
                         "parent", box2,
                         "signal_after::clicked", statusbar_steal, statusbar,
                         NULL);

      button = gtk_widget_new (gtk_button_get_type (),
                         "label", "dump stack",
                         "visible", TRUE,
                         "parent", box2,
                         "object_signal::clicked", statusbar_dump_stack, statusbar,
                         NULL);

      button = gtk_widget_new (gtk_button_get_type (),
                         "label", "test contexts",
                         "visible", TRUE,
                         "parent", box2,
                         "object_signal_after::clicked", statusbar_contexts, statusbar,
                         NULL);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkTree
 */

static void
cb_tree_destroy_event(GtkWidget* w)
{
  sTreeButtons* tree_buttons;

  /* free buttons structure associate at this tree */
  tree_buttons = gtk_object_get_user_data (GTK_OBJECT (w));
  g_free (tree_buttons);
}

static void
cb_add_new_item(GtkWidget* w, GtkTree* tree)
{
  sTreeButtons* tree_buttons;
  GList* selected_list;
  GtkWidget* selected_item;
  GtkWidget* subtree;
  GtkWidget* item_new;
  char buffer[255];

  tree_buttons = gtk_object_get_user_data(GTK_OBJECT(tree));

  selected_list = GTK_TREE_SELECTION(tree);

  if(selected_list == NULL)
    {
      /* there is no item in tree */
      subtree = GTK_WIDGET(tree);
    }
  else
    {
      /* list can have only one element */
      selected_item = GTK_WIDGET(selected_list->data);
      
      subtree = GTK_TREE_ITEM_SUBTREE(selected_item);

      if(subtree == NULL)
      {
        /* current selected item have not subtree ... create it */
        subtree = gtk_tree_new();
        gtk_tree_item_set_subtree(GTK_TREE_ITEM(selected_item), 
                            subtree);
      }
    }

  /* at this point, we know which subtree will be used to add new item */
  /* create a new item */
  sprintf(buffer, "item add %d", tree_buttons->nb_item_add);
  item_new = gtk_tree_item_new_with_label(buffer);
  gtk_tree_append(GTK_TREE(subtree), item_new);
  gtk_widget_show(item_new);

  tree_buttons->nb_item_add++;
}

static void
cb_remove_item(GtkWidget*w, GtkTree* tree)
{
  GList* selected_list;
  GList* clear_list;
  
  selected_list = GTK_TREE_SELECTION(tree);

  clear_list = NULL;
    
  while (selected_list) 
    {
      clear_list = g_list_prepend (clear_list, selected_list->data);
      selected_list = selected_list->next;
    }
  
  clear_list = g_list_reverse (clear_list);
  gtk_tree_remove_items(tree, clear_list);

  g_list_free (clear_list);
}

static void
cb_remove_subtree(GtkWidget*w, GtkTree* tree)
{
  GList* selected_list;
  GtkTreeItem *item;
  
  selected_list = GTK_TREE_SELECTION(tree);

  if (selected_list)
    {
      item = GTK_TREE_ITEM (selected_list->data);
      if (item->subtree)
      gtk_tree_item_remove_subtree (item);
    }
}

static void
cb_tree_changed(GtkTree* tree)
{
  sTreeButtons* tree_buttons;
  GList* selected_list;
  guint nb_selected;

  tree_buttons = gtk_object_get_user_data(GTK_OBJECT(tree));

  selected_list = GTK_TREE_SELECTION(tree);
  nb_selected = g_list_length(selected_list);

  if(nb_selected == 0) 
    {
      if(tree->children == NULL)
      gtk_widget_set_sensitive(tree_buttons->add_button, TRUE);
      else
      gtk_widget_set_sensitive(tree_buttons->add_button, FALSE);
      gtk_widget_set_sensitive(tree_buttons->remove_button, FALSE);
      gtk_widget_set_sensitive(tree_buttons->subtree_button, FALSE);
    } 
  else 
    {
      gtk_widget_set_sensitive(tree_buttons->remove_button, TRUE);
      gtk_widget_set_sensitive(tree_buttons->add_button, (nb_selected == 1));
      gtk_widget_set_sensitive(tree_buttons->subtree_button, (nb_selected == 1));
    }  
}

static void 
create_subtree(GtkWidget* item, guint level, guint nb_item_max, guint recursion_level_max)
{
  GtkWidget* item_subtree;
  GtkWidget* item_new;
  guint nb_item;
  char buffer[255];
  int no_root_item;

  if(level == recursion_level_max) return;

  if(level == -1)
    {
      /* query with no root item */
      level = 0;
      item_subtree = item;
      no_root_item = 1;
    }
  else
    {
      /* query with no root item */
      /* create subtree and associate it with current item */
      item_subtree = gtk_tree_new();
      no_root_item = 0;
    }
  
  for(nb_item = 0; nb_item < nb_item_max; nb_item++)
    {
      sprintf(buffer, "item %d-%d", level, nb_item);
      item_new = gtk_tree_item_new_with_label(buffer);
      gtk_tree_append(GTK_TREE(item_subtree), item_new);
      create_subtree(item_new, level+1, nb_item_max, recursion_level_max);
      gtk_widget_show(item_new);
    }

  if(!no_root_item)
    gtk_tree_item_set_subtree(GTK_TREE_ITEM(item), item_subtree);
}

static void
create_tree_sample(guint selection_mode, 
               guint draw_line, guint view_line, guint no_root_item,
               guint nb_item_max, guint recursion_level_max) 
{
  GtkWidget* window;
  GtkWidget* box1;
  GtkWidget* box2;
  GtkWidget* separator;
  GtkWidget* button;
  GtkWidget* scrolled_win;
  GtkWidget* root_tree;
  GtkWidget* root_item;
  sTreeButtons* tree_buttons;

  /* create tree buttons struct */
  if ((tree_buttons = g_malloc (sizeof (sTreeButtons))) == NULL)
    {
      g_error("can't allocate memory for tree structure !\n");
      return;
    }
  tree_buttons->nb_item_add = 0;

  /* create top level window */
  window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  gtk_window_set_title(GTK_WINDOW(window), "Tree Sample");
  gtk_signal_connect(GTK_OBJECT(window), "destroy",
                 (GtkSignalFunc) cb_tree_destroy_event, NULL);
  gtk_object_set_user_data(GTK_OBJECT(window), tree_buttons);

  box1 = gtk_vbox_new(FALSE, 0);
  gtk_container_add(GTK_CONTAINER(window), box1);
  gtk_widget_show(box1);

  /* create tree box */
  box2 = gtk_vbox_new(FALSE, 0);
  gtk_box_pack_start(GTK_BOX(box1), box2, TRUE, TRUE, 0);
  gtk_container_set_border_width(GTK_CONTAINER(box2), 5);
  gtk_widget_show(box2);

  /* create scrolled window */
  scrolled_win = gtk_scrolled_window_new (NULL, NULL);
  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
                          GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
  gtk_box_pack_start (GTK_BOX (box2), scrolled_win, TRUE, TRUE, 0);
  gtk_widget_set_usize (scrolled_win, 200, 200);
  gtk_widget_show (scrolled_win);
  
  /* create root tree widget */
  root_tree = gtk_tree_new();
  gtk_signal_connect(GTK_OBJECT(root_tree), "selection_changed",
                 (GtkSignalFunc)cb_tree_changed,
                 (gpointer)NULL);
  gtk_object_set_user_data(GTK_OBJECT(root_tree), tree_buttons);
  gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolled_win), root_tree);
  gtk_tree_set_selection_mode(GTK_TREE(root_tree), selection_mode);
  gtk_tree_set_view_lines(GTK_TREE(root_tree), draw_line);
  gtk_tree_set_view_mode(GTK_TREE(root_tree), !view_line);
  gtk_widget_show(root_tree);

  if ( no_root_item )
    {
      /* set root tree to subtree function with root item variable */
      root_item = GTK_WIDGET(root_tree);
    }
  else
    {
      /* create root tree item widget */
      root_item = gtk_tree_item_new_with_label("root item");
      gtk_tree_append(GTK_TREE(root_tree), root_item);
      gtk_widget_show(root_item);
     }
  create_subtree(root_item, -no_root_item, nb_item_max, recursion_level_max);

  box2 = gtk_vbox_new(FALSE, 0);
  gtk_box_pack_start(GTK_BOX(box1), box2, FALSE, FALSE, 0);
  gtk_container_set_border_width(GTK_CONTAINER(box2), 5);
  gtk_widget_show(box2);

  button = gtk_button_new_with_label("Add Item");
  gtk_widget_set_sensitive(button, FALSE);
  gtk_signal_connect(GTK_OBJECT (button), "clicked",
                 (GtkSignalFunc) cb_add_new_item, 
                 (gpointer)root_tree);
  gtk_box_pack_start(GTK_BOX(box2), button, TRUE, TRUE, 0);
  gtk_widget_show(button);
  tree_buttons->add_button = button;

  button = gtk_button_new_with_label("Remove Item(s)");
  gtk_widget_set_sensitive(button, FALSE);
  gtk_signal_connect(GTK_OBJECT (button), "clicked",
                 (GtkSignalFunc) cb_remove_item, 
                 (gpointer)root_tree);
  gtk_box_pack_start(GTK_BOX(box2), button, TRUE, TRUE, 0);
  gtk_widget_show(button);
  tree_buttons->remove_button = button;

  button = gtk_button_new_with_label("Remove Subtree");
  gtk_widget_set_sensitive(button, FALSE);
  gtk_signal_connect(GTK_OBJECT (button), "clicked",
                 (GtkSignalFunc) cb_remove_subtree, 
                 (gpointer)root_tree);
  gtk_box_pack_start(GTK_BOX(box2), button, TRUE, TRUE, 0);
  gtk_widget_show(button);
  tree_buttons->subtree_button = button;

  /* create separator */
  separator = gtk_hseparator_new();
  gtk_box_pack_start(GTK_BOX(box1), separator, FALSE, FALSE, 0);
  gtk_widget_show(separator);

  /* create button box */
  box2 = gtk_vbox_new(FALSE, 0);
  gtk_box_pack_start(GTK_BOX(box1), box2, FALSE, FALSE, 0);
  gtk_container_set_border_width(GTK_CONTAINER(box2), 5);
  gtk_widget_show(box2);

  button = gtk_button_new_with_label("Close");
  gtk_box_pack_start(GTK_BOX(box2), button, TRUE, TRUE, 0);
  gtk_signal_connect_object(GTK_OBJECT (button), "clicked",
                      (GtkSignalFunc) gtk_widget_destroy, 
                      GTK_OBJECT(window));
  gtk_widget_show(button);

  gtk_widget_show(window);
}

static void
cb_create_tree(GtkWidget* w)
{
  guint selection_mode = GTK_SELECTION_SINGLE;
  guint view_line;
  guint draw_line;
  guint no_root_item;
  guint nb_item;
  guint recursion_level;

  /* get selection mode choice */
  if(GTK_TOGGLE_BUTTON(sTreeSampleSelection.single_button)->active)
    selection_mode = GTK_SELECTION_SINGLE;
  else
    if(GTK_TOGGLE_BUTTON(sTreeSampleSelection.browse_button)->active)
      selection_mode = GTK_SELECTION_BROWSE;
    else
      selection_mode = GTK_SELECTION_MULTIPLE;

  /* get options choice */
  draw_line = GTK_TOGGLE_BUTTON(sTreeSampleSelection.draw_line_button)->active;
  view_line = GTK_TOGGLE_BUTTON(sTreeSampleSelection.view_line_button)->active;
  no_root_item = GTK_TOGGLE_BUTTON(sTreeSampleSelection.no_root_item_button)->active;
    
  /* get levels */
  nb_item = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(sTreeSampleSelection.nb_item_spinner));
  recursion_level = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(sTreeSampleSelection.recursion_spinner));

  if (pow (nb_item, recursion_level) > 10000)
    {
      g_print ("%g total items? That will take a very long time. Try less\n",
             pow (nb_item, recursion_level));
      return;
    }

  create_tree_sample(selection_mode, draw_line, view_line, no_root_item, nb_item, recursion_level);
}

void 
create_tree_mode_window(void)
{
  static GtkWidget* window;
  GtkWidget* box1;
  GtkWidget* box2;
  GtkWidget* box3;
  GtkWidget* box4;
  GtkWidget* box5;
  GtkWidget* button;
  GtkWidget* frame;
  GtkWidget* separator;
  GtkWidget* label;
  GtkWidget* spinner;
  GtkAdjustment *adj;

  if (!window)
    {
      /* create toplevel window  */
      window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
      gtk_window_set_title(GTK_WINDOW(window), "Set Tree Parameters");
      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);
      box1 = gtk_vbox_new(FALSE, 0);
      gtk_container_add(GTK_CONTAINER(window), box1);

      /* create upper box - selection box */
      box2 = gtk_vbox_new(FALSE, 5);
      gtk_box_pack_start(GTK_BOX(box1), box2, TRUE, TRUE, 0);
      gtk_container_set_border_width(GTK_CONTAINER(box2), 5);

      box3 = gtk_hbox_new(FALSE, 5);
      gtk_box_pack_start(GTK_BOX(box2), box3, TRUE, TRUE, 0);

      /* create selection mode frame */
      frame = gtk_frame_new("Selection Mode");
      gtk_box_pack_start(GTK_BOX(box3), frame, TRUE, TRUE, 0);

      box4 = gtk_vbox_new(FALSE, 0);
      gtk_container_add(GTK_CONTAINER(frame), box4);
      gtk_container_set_border_width(GTK_CONTAINER(box4), 5);

      /* create radio button */  
      button = gtk_radio_button_new_with_label(NULL, "SINGLE");
      gtk_box_pack_start(GTK_BOX(box4), button, TRUE, TRUE, 0);
      sTreeSampleSelection.single_button = button;

      button = gtk_radio_button_new_with_label(gtk_radio_button_group (GTK_RADIO_BUTTON (button)),
                                     "BROWSE");
      gtk_box_pack_start(GTK_BOX(box4), button, TRUE, TRUE, 0);
      sTreeSampleSelection.browse_button = button;

      button = gtk_radio_button_new_with_label(gtk_radio_button_group (GTK_RADIO_BUTTON (button)),
                                     "MULTIPLE");
      gtk_box_pack_start(GTK_BOX(box4), button, TRUE, TRUE, 0);
      sTreeSampleSelection.multiple_button = button;

      sTreeSampleSelection.selection_mode_group = gtk_radio_button_group (GTK_RADIO_BUTTON (button));

      /* create option mode frame */
      frame = gtk_frame_new("Options");
      gtk_box_pack_start(GTK_BOX(box3), frame, TRUE, TRUE, 0);

      box4 = gtk_vbox_new(FALSE, 0);
      gtk_container_add(GTK_CONTAINER(frame), box4);
      gtk_container_set_border_width(GTK_CONTAINER(box4), 5);

      /* create check button */
      button = gtk_check_button_new_with_label("Draw line");
      gtk_box_pack_start(GTK_BOX(box4), button, TRUE, TRUE, 0);
      gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
      sTreeSampleSelection.draw_line_button = button;
  
      button = gtk_check_button_new_with_label("View Line mode");
      gtk_box_pack_start(GTK_BOX(box4), button, TRUE, TRUE, 0);
      gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
      sTreeSampleSelection.view_line_button = button;
  
      button = gtk_check_button_new_with_label("Without Root item");
      gtk_box_pack_start(GTK_BOX(box4), button, TRUE, TRUE, 0);
      sTreeSampleSelection.no_root_item_button = button;

      /* create recursion parameter */
      frame = gtk_frame_new("Size Parameters");
      gtk_box_pack_start(GTK_BOX(box2), frame, TRUE, TRUE, 0);

      box4 = gtk_hbox_new(FALSE, 5);
      gtk_container_add(GTK_CONTAINER(frame), box4);
      gtk_container_set_border_width(GTK_CONTAINER(box4), 5);

      /* create number of item spin button */
      box5 = gtk_hbox_new(FALSE, 5);
      gtk_box_pack_start(GTK_BOX(box4), box5, FALSE, FALSE, 0);

      label = gtk_label_new("Number of items : ");
      gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
      gtk_box_pack_start (GTK_BOX (box5), label, FALSE, TRUE, 0);

      adj = (GtkAdjustment *) gtk_adjustment_new ((gfloat)DEFAULT_NUMBER_OF_ITEM, 1.0, 255.0, 1.0,
                                      5.0, 0.0);
      spinner = gtk_spin_button_new (adj, 0, 0);
      gtk_box_pack_start (GTK_BOX (box5), spinner, FALSE, TRUE, 0);
      sTreeSampleSelection.nb_item_spinner = spinner;
  
      /* create recursion level spin button */
      box5 = gtk_hbox_new(FALSE, 5);
      gtk_box_pack_start(GTK_BOX(box4), box5, FALSE, FALSE, 0);

      label = gtk_label_new("Depth : ");
      gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
      gtk_box_pack_start (GTK_BOX (box5), label, FALSE, TRUE, 0);

      adj = (GtkAdjustment *) gtk_adjustment_new ((gfloat)DEFAULT_RECURSION_LEVEL, 0.0, 255.0, 1.0,
                                      5.0, 0.0);
      spinner = gtk_spin_button_new (adj, 0, 0);
      gtk_box_pack_start (GTK_BOX (box5), spinner, FALSE, TRUE, 0);
      sTreeSampleSelection.recursion_spinner = spinner;
  
      /* create horizontal separator */
      separator = gtk_hseparator_new();
      gtk_box_pack_start(GTK_BOX(box1), separator, FALSE, FALSE, 0);

      /* create bottom button box */
      box2 = gtk_hbox_new(TRUE, 10);
      gtk_box_pack_start(GTK_BOX(box1), box2, FALSE, FALSE, 0);
      gtk_container_set_border_width(GTK_CONTAINER(box2), 5);

      button = gtk_button_new_with_label("Create Tree");
      gtk_box_pack_start(GTK_BOX(box2), button, TRUE, TRUE, 0);
      gtk_signal_connect(GTK_OBJECT (button), "clicked",
                   (GtkSignalFunc) cb_create_tree, NULL);

      button = gtk_button_new_with_label("Close");
      gtk_box_pack_start(GTK_BOX(box2), button, TRUE, TRUE, 0);
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                                 GTK_SIGNAL_FUNC(gtk_widget_destroy),
                                 GTK_OBJECT (window));
    }
  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkHandleBox
 */

static void
handle_box_child_signal (GtkHandleBox *hb,
                   GtkWidget    *child,
                   const gchar  *action)
{
  printf ("%s: child <%s> %sed\n",
        gtk_type_name (GTK_OBJECT_TYPE (hb)),
        gtk_type_name (GTK_OBJECT_TYPE (child)),
        action);
}

static void
create_handle_box (void)
{
  static GtkWidget* window = NULL;
  GtkWidget *handle_box;
  GtkWidget *handle_box2;
  GtkWidget *vbox;
  GtkWidget *hbox;
  GtkWidget *toolbar;
  GtkWidget *label;
  GtkWidget *separator;
      
  if (!window)
  {
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title (GTK_WINDOW (window),
                    "Handle Box Test");
    gtk_window_set_policy (GTK_WINDOW (window),
                     TRUE,
                     TRUE,
                     TRUE);
    
    gtk_signal_connect (GTK_OBJECT (window), "destroy",
                  GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                  &window);
    
    gtk_container_set_border_width (GTK_CONTAINER (window), 20);

    vbox = gtk_vbox_new (FALSE, 0);
    gtk_container_add (GTK_CONTAINER (window), vbox);
    gtk_widget_show (vbox);

    label = gtk_label_new ("Above");
    gtk_container_add (GTK_CONTAINER (vbox), label);
    gtk_widget_show (label);

    separator = gtk_hseparator_new ();
    gtk_container_add (GTK_CONTAINER (vbox), separator);
    gtk_widget_show (separator);
    
    hbox = gtk_hbox_new (FALSE, 10);
    gtk_container_add (GTK_CONTAINER (vbox), hbox);
    gtk_widget_show (hbox);

    separator = gtk_hseparator_new ();
    gtk_container_add (GTK_CONTAINER (vbox), separator);
    gtk_widget_show (separator);

    label = gtk_label_new ("Below");
    gtk_container_add (GTK_CONTAINER (vbox), label);
    gtk_widget_show (label);

    handle_box = gtk_handle_box_new ();
    gtk_box_pack_start (GTK_BOX (hbox), handle_box, FALSE, FALSE, 0);
    gtk_signal_connect (GTK_OBJECT (handle_box),
                  "child_attached",
                  GTK_SIGNAL_FUNC (handle_box_child_signal),
                  "attached");
    gtk_signal_connect (GTK_OBJECT (handle_box),
                  "child_detached",
                  GTK_SIGNAL_FUNC (handle_box_child_signal),
                  "detached");
    gtk_widget_show (handle_box);

    toolbar = make_toolbar (window);
    gtk_toolbar_set_button_relief (GTK_TOOLBAR (toolbar), GTK_RELIEF_NORMAL);
    gtk_container_add (GTK_CONTAINER (handle_box), toolbar);
    gtk_widget_show (toolbar);

    handle_box = gtk_handle_box_new ();
    gtk_box_pack_start (GTK_BOX (hbox), handle_box, FALSE, FALSE, 0);
    gtk_signal_connect (GTK_OBJECT (handle_box),
                  "child_attached",
                  GTK_SIGNAL_FUNC (handle_box_child_signal),
                  "attached");
    gtk_signal_connect (GTK_OBJECT (handle_box),
                  "child_detached",
                  GTK_SIGNAL_FUNC (handle_box_child_signal),
                  "detached");
    gtk_widget_show (handle_box);

    handle_box2 = gtk_handle_box_new ();
    gtk_container_add (GTK_CONTAINER (handle_box), handle_box2);
    gtk_signal_connect (GTK_OBJECT (handle_box2),
                  "child_attached",
                  GTK_SIGNAL_FUNC (handle_box_child_signal),
                  "attached");
    gtk_signal_connect (GTK_OBJECT (handle_box2),
                  "child_detached",
                  GTK_SIGNAL_FUNC (handle_box_child_signal),
                  "detached");
    gtk_widget_show (handle_box2);

    label = gtk_label_new ("Fooo!");
    gtk_container_add (GTK_CONTAINER (handle_box2), label);
    gtk_widget_show (label);
  }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

/* 
 * Label Demo
 */
void create_labels (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *hbox;
  GtkWidget *vbox;
  GtkWidget *frame;
  GtkWidget *label;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "Label");
      vbox = gtk_vbox_new (FALSE, 5);
      hbox = gtk_hbox_new (FALSE, 5);
      gtk_container_add (GTK_CONTAINER (window), hbox);
      gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (window), 5);

      frame = gtk_frame_new ("Normal Label");
      label = gtk_label_new ("This is a Normal label");
      gtk_container_add (GTK_CONTAINER (frame), label);
      gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);

      frame = gtk_frame_new ("Multi-line Label");
      label = gtk_label_new ("This is a Multi-line label.\nSecond line\nThird line");
      gtk_container_add (GTK_CONTAINER (frame), label);
      gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);

      frame = gtk_frame_new ("Left Justified Label");
      label = gtk_label_new ("This is a Left-Justified\nMulti-line label.\nThird      line");
      gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
      gtk_container_add (GTK_CONTAINER (frame), label);
      gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);

      frame = gtk_frame_new ("Right Justified Label");
      label = gtk_label_new ("This is a Right-Justified\nMulti-line label.\nFourth line, (j/k)");
      gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_RIGHT);
      gtk_container_add (GTK_CONTAINER (frame), label);
      gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);

      vbox = gtk_vbox_new (FALSE, 5);
      gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
      frame = gtk_frame_new ("Line wrapped label");
      label = gtk_label_new ("This is an example of a line-wrapped label.  It should not be taking "\
                       "up the entire             "/* big space to test spacing */\
                       "width allocated to it, but automatically wraps the words to fit.  "\
                       "The time has come, for all good men, to come to the aid of their party.  "\
                       "The sixth sheik's six sheep's sick.\n"\
                       "     It supports multiple paragraphs correctly, and  correctly   adds "\
                       "many          extra  spaces. ");

      gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
      gtk_container_add (GTK_CONTAINER (frame), label);
      gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);

      frame = gtk_frame_new ("Filled, wrapped label");
      label = gtk_label_new ("This is an example of a line-wrapped, filled label.  It should be taking "\
                       "up the entire              width allocated to it.  Here is a seneance to prove "\
                       "my point.  Here is another sentence. "\
                       "Here comes the sun, do de do de do.\n"\
                       "    This is a new paragraph.\n"\
                       "    This is another newer, longer, better paragraph.  It is coming to an end, "\
                       "unfortunately.");
      gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_FILL);
      gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
      gtk_container_add (GTK_CONTAINER (frame), label);
      gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);

      frame = gtk_frame_new ("Underlined label");
      label = gtk_label_new ("This label is underlined!\n"
                       "This one is underlined in 日本語の入用quite a funky fashion");
      gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
      gtk_label_set_pattern (GTK_LABEL (label), "_________________________ _ _________ _ _____ _ __ __  ___ ____ _____");
      gtk_container_add (GTK_CONTAINER (frame), label);
      gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);

    }
  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * Reparent demo
 */

static void
reparent_label (GtkWidget *widget,
            GtkWidget *new_parent)
{
  GtkWidget *label;

  label = gtk_object_get_user_data (GTK_OBJECT (widget));

  gtk_widget_reparent (label, new_parent);
}

static void
set_parent_signal (GtkWidget *child,
               GtkWidget *old_parent,
               gpointer   func_data)
{
  g_print ("set_parent for \"%s\": new parent: \"%s\", old parent: \"%s\", data: %d\n",
         gtk_type_name (GTK_OBJECT_TYPE (child)),
         child->parent ? gtk_type_name (GTK_OBJECT_TYPE (child->parent)) : "NULL",
         old_parent ? gtk_type_name (GTK_OBJECT_TYPE (old_parent)) : "NULL",
         GPOINTER_TO_INT (func_data));
}

static void
create_reparent (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *box3;
  GtkWidget *frame;
  GtkWidget *button;
  GtkWidget *label;
  GtkWidget *separator;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "reparent");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);

      box2 = gtk_hbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);

      label = gtk_label_new ("Hello World");

      frame = gtk_frame_new ("Frame 1");
      gtk_box_pack_start (GTK_BOX (box2), frame, TRUE, TRUE, 0);

      box3 = gtk_vbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (box3), 5);
      gtk_container_add (GTK_CONTAINER (frame), box3);

      button = gtk_button_new_with_label ("switch");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC(reparent_label),
                    box3);
      gtk_object_set_user_data (GTK_OBJECT (button), label);
      gtk_box_pack_start (GTK_BOX (box3), button, FALSE, TRUE, 0);

      gtk_box_pack_start (GTK_BOX (box3), label, FALSE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (label),
                    "parent_set",
                    GTK_SIGNAL_FUNC (set_parent_signal),
                    GINT_TO_POINTER (42));

      frame = gtk_frame_new ("Frame 2");
      gtk_box_pack_start (GTK_BOX (box2), frame, TRUE, TRUE, 0);

      box3 = gtk_vbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (box3), 5);
      gtk_container_add (GTK_CONTAINER (frame), box3);

      button = gtk_button_new_with_label ("switch");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC(reparent_label),
                    box3);
      gtk_object_set_user_data (GTK_OBJECT (button), label);
      gtk_box_pack_start (GTK_BOX (box3), button, FALSE, TRUE, 0);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * Saved Position
 */
gint upositionx = 0;
gint upositiony = 0;

static gint
uposition_configure (GtkWidget *window)
{
  GtkLabel *lx;
  GtkLabel *ly;
  gchar buffer[64];

  lx = gtk_object_get_data (GTK_OBJECT (window), "x");
  ly = gtk_object_get_data (GTK_OBJECT (window), "y");

  gdk_window_get_root_origin (window->window, &upositionx, &upositiony);
  sprintf (buffer, "%d", upositionx);
  gtk_label_set_text (lx, buffer);
  sprintf (buffer, "%d", upositiony);
  gtk_label_set_text (ly, buffer);

  return FALSE;
}

static void
create_saved_position (void)
{
  static GtkWidget *window = NULL;

  if (!window)
    {
      GtkWidget *hbox;
      GtkWidget *main_vbox;
      GtkWidget *vbox;
      GtkWidget *x_label;
      GtkWidget *y_label;
      GtkWidget *button;
      GtkWidget *label;
      GtkWidget *any;

      window = gtk_widget_new (GTK_TYPE_WINDOW,
                         "type", GTK_WINDOW_TOPLEVEL,
                         "signal::configure_event", uposition_configure, NULL,
                         "x", upositionx,
                         "y", upositiony,
                         "title", "Saved Position",
                         NULL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC (gtk_widget_destroyed),
                    &window);

      main_vbox = gtk_vbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 0);
      gtk_container_add (GTK_CONTAINER (window), main_vbox);

      vbox =
      gtk_widget_new (gtk_vbox_get_type (),
                  "GtkBox::homogeneous", FALSE,
                  "GtkBox::spacing", 5,
                  "GtkContainer::border_width", 10,
                  "GtkWidget::parent", main_vbox,
                  "GtkWidget::visible", TRUE,
                  NULL);

      hbox = gtk_hbox_new (FALSE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);

      label = gtk_label_new ("X Origin : ");
      gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);

      x_label = gtk_label_new ("");
      gtk_box_pack_start (GTK_BOX (hbox), x_label, TRUE, TRUE, 0);
      gtk_object_set_data (GTK_OBJECT (window), "x", x_label);

      hbox = gtk_hbox_new (FALSE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);

      label = gtk_label_new ("Y Origin : ");
      gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);

      y_label = gtk_label_new ("");
      gtk_box_pack_start (GTK_BOX (hbox), y_label, TRUE, TRUE, 0);
      gtk_object_set_data (GTK_OBJECT (window), "y", y_label);

      any =
      gtk_widget_new (gtk_hseparator_get_type (),
                  "GtkWidget::visible", TRUE,
                  NULL);
      gtk_box_pack_start (GTK_BOX (main_vbox), any, FALSE, TRUE, 0);

      hbox = gtk_hbox_new (FALSE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (hbox), 10);
      gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("Close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC (gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
      
      gtk_widget_show_all (window);
    }
  else
    gtk_widget_destroy (window);
}

/*
 * GtkPixmap
 */

static void
create_pixmap (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *box3;
  GtkWidget *button;
  GtkWidget *label;
  GtkWidget *separator;
  GtkWidget *pixmapwid;
  GdkPixmap *pixmap;
  GdkBitmap *mask;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                          GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                          &window);

      gtk_window_set_title (GTK_WINDOW (window), "GtkPixmap");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);
      gtk_widget_realize(window);

      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);

      button = gtk_button_new ();
      gtk_box_pack_start (GTK_BOX (box2), button, FALSE, FALSE, 0);

      pixmap = gdk_pixmap_create_from_xpm (window->window, &mask, NULL,
                                 "test.xpm");
      pixmapwid = gtk_pixmap_new (pixmap, mask);
      gdk_pixmap_unref (pixmap);
      gdk_pixmap_unref (mask);

      label = gtk_label_new ("Pixmap\ntest");
      box3 = gtk_hbox_new (FALSE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (box3), 2);
      gtk_container_add (GTK_CONTAINER (box3), pixmapwid);
      gtk_container_add (GTK_CONTAINER (box3), label);
      gtk_container_add (GTK_CONTAINER (button), box3);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                                 GTK_SIGNAL_FUNC(gtk_widget_destroy),
                                 GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

static void
tips_query_widget_entered (GtkTipsQuery   *tips_query,
                     GtkWidget      *widget,
                     const gchar    *tip_text,
                     const gchar    *tip_private,
                     GtkWidget        *toggle)
{
  if (GTK_TOGGLE_BUTTON (toggle)->active)
    {
      gtk_label_set_text (GTK_LABEL (tips_query), tip_text ? "There is a Tip!" : "There is no Tip!");
      /* don't let GtkTipsQuery reset its label */
      gtk_signal_emit_stop_by_name (GTK_OBJECT (tips_query), "widget_entered");
    }
}

static gint
tips_query_widget_selected (GtkWidget      *tips_query,
                      GtkWidget      *widget,
                      const gchar    *tip_text,
                      const gchar    *tip_private,
                      GdkEventButton *event,
                      gpointer        func_data)
{
  if (widget)
    g_print ("Help \"%s\" requested for <%s>\n",
           tip_private ? tip_private : "None",
           gtk_type_name (GTK_OBJECT_TYPE (widget)));
  return TRUE;
}

static void
create_tooltips (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *box3;
  GtkWidget *button;
  GtkWidget *toggle;
  GtkWidget *frame;
  GtkWidget *tips_query;
  GtkWidget *separator;
  GtkTooltips *tooltips;

  if (!window)
    {
      window =
      gtk_widget_new (gtk_window_get_type (),
                  "GtkWindow::type", GTK_WINDOW_TOPLEVEL,
                  "GtkContainer::border_width", 0,
                  "GtkWindow::title", "Tooltips",
                  "GtkWindow::allow_shrink", TRUE,
                  "GtkWindow::allow_grow", FALSE,
                  "GtkWindow::auto_shrink", TRUE,
                  "GtkWidget::width", 200,
                  NULL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                          GTK_SIGNAL_FUNC (destroy_tooltips),
                          &window);

      tooltips=gtk_tooltips_new();
      gtk_object_set_data (GTK_OBJECT (window), "tooltips", tooltips);
      
      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);

      button = gtk_toggle_button_new_with_label ("button1");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      gtk_tooltips_set_tip (tooltips,button,"This is button 1", "ContextHelp/buttons/1");

      button = gtk_toggle_button_new_with_label ("button2");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      gtk_tooltips_set_tip (tooltips,
                      button,
                      "This is button 2. This is also a really long tooltip which probably won't fit on a single line and will therefore need to be wrapped. Hopefully the wrapping will work correctly.",
                      "ContextHelp/buttons/2_long");

      toggle = gtk_toggle_button_new_with_label ("Override TipsQuery Label");
      gtk_box_pack_start (GTK_BOX (box2), toggle, TRUE, TRUE, 0);

      gtk_tooltips_set_tip (tooltips, toggle, "Toggle TipsQuery view.", "Hi msw! ;)");

      box3 =
      gtk_widget_new (gtk_vbox_get_type (),
                  "GtkBox::homogeneous", FALSE,
                  "GtkBox::spacing", 5,
                  "GtkContainer::border_width", 5,
                  "GtkWidget::visible", TRUE,
                  NULL);

      tips_query = gtk_tips_query_new ();

      button =
      gtk_widget_new (gtk_button_get_type (),
                  "GtkButton::label", "[?]",
                  "GtkWidget::visible", TRUE,
                  "GtkWidget::parent", box3,
                  "GtkObject::object_signal::clicked", gtk_tips_query_start_query, tips_query,
                  NULL);
      gtk_box_set_child_packing (GTK_BOX (box3), button, FALSE, FALSE, 0, GTK_PACK_START);
      gtk_tooltips_set_tip (tooltips,
                      button,
                      "Start the Tooltips Inspector",
                      "ContextHelp/buttons/?");
      
      
      gtk_widget_set (tips_query,
                  "GtkWidget::visible", TRUE,
                  "GtkWidget::parent", box3,
                  "GtkTipsQuery::caller", button,
                  "GtkObject::signal::widget_entered", tips_query_widget_entered, toggle,
                  "GtkObject::signal::widget_selected", tips_query_widget_selected, NULL,
                  NULL);
      
      frame =
      gtk_widget_new (gtk_frame_get_type (),
                  "GtkFrame::label", "ToolTips Inspector",
                  "GtkFrame::label_xalign", (double) 0.5,
                  "GtkContainer::border_width", 0,
                  "GtkWidget::visible", TRUE,
                  "GtkWidget::parent", box2,
                  "GtkContainer::child", box3,
                  NULL);
      gtk_box_set_child_packing (GTK_BOX (box2), frame, TRUE, TRUE, 10, GTK_PACK_START);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                                 GTK_SIGNAL_FUNC(gtk_widget_destroy),
                                 GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);

      gtk_tooltips_set_tip (tooltips, button, "Push this button to close window", "ContextHelp/buttons/Close");
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * Menu demo
 */

static GtkWidget*
create_menu (gint depth, gboolean tearoff)
{
  GtkWidget *menu;
  GtkWidget *menuitem;
  GSList *group;
  char buf[32];
  int i, j;

  if (depth < 1)
    return NULL;

  menu = gtk_menu_new ();
  group = NULL;

  if (tearoff)
    {
      menuitem = gtk_tearoff_menu_item_new ();
      gtk_menu_append (GTK_MENU (menu), menuitem);
      gtk_widget_show (menuitem);
    }

  for (i = 0, j = 1; i < 5; i++, j++)
    {
      sprintf (buf, "item %2d - %d", depth, j);
      menuitem = gtk_radio_menu_item_new_with_label (group, buf);
      group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (menuitem));
      if (depth % 2)
      gtk_check_menu_item_set_show_toggle (GTK_CHECK_MENU_ITEM (menuitem), TRUE);
      gtk_menu_append (GTK_MENU (menu), menuitem);
      gtk_widget_show (menuitem);
      if (i == 3)
      gtk_widget_set_sensitive (menuitem, FALSE);

      gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), create_menu (depth - 1, TRUE));
    }

  return menu;
}

static void
create_menus (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *button;
  GtkWidget *optionmenu;
  GtkWidget *separator;
  
  if (!window)
    {
      GtkWidget *menubar;
      GtkWidget *menu;
      GtkWidget *menuitem;
      GtkAccelGroup *accel_group;
      
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      
      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);
      gtk_signal_connect (GTK_OBJECT (window), "delete-event",
                    GTK_SIGNAL_FUNC (gtk_true),
                    NULL);
      
      accel_group = gtk_accel_group_new ();
      gtk_accel_group_attach (accel_group, GTK_OBJECT (window));

      gtk_window_set_title (GTK_WINDOW (window), "menus");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);
      
      
      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);
      gtk_widget_show (box1);
      
      menubar = gtk_menu_bar_new ();
      gtk_box_pack_start (GTK_BOX (box1), menubar, FALSE, TRUE, 0);
      gtk_widget_show (menubar);
      
      menu = create_menu (2, TRUE);
      
      menuitem = gtk_menu_item_new_with_label ("test\nline2");
      gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), menu);
      gtk_menu_bar_append (GTK_MENU_BAR (menubar), menuitem);
      gtk_widget_show (menuitem);
      
      menuitem = gtk_menu_item_new_with_label ("foo");
      gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), create_menu (3, TRUE));
      gtk_menu_bar_append (GTK_MENU_BAR (menubar), menuitem);
      gtk_widget_show (menuitem);

      menuitem = gtk_menu_item_new_with_label ("bar");
      gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), create_menu (4, TRUE));
      gtk_menu_item_right_justify (GTK_MENU_ITEM (menuitem));
      gtk_menu_bar_append (GTK_MENU_BAR (menubar), menuitem);
      gtk_widget_show (menuitem);
      
      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);
      gtk_widget_show (box2);
      
      menu = create_menu (1, FALSE);
      gtk_menu_set_accel_group (GTK_MENU (menu), accel_group);

      menuitem = gtk_check_menu_item_new_with_label ("Accelerate Me");
      gtk_menu_append (GTK_MENU (menu), menuitem);
      gtk_widget_show (menuitem);
      gtk_widget_add_accelerator (menuitem,
                          "activate",
                          accel_group,
                          GDK_F1,
                          0,
                          GTK_ACCEL_VISIBLE | GTK_ACCEL_SIGNAL_VISIBLE);
      menuitem = gtk_check_menu_item_new_with_label ("Accelerator Locked");
      gtk_menu_append (GTK_MENU (menu), menuitem);
      gtk_widget_show (menuitem);
      gtk_widget_add_accelerator (menuitem,
                          "activate",
                          accel_group,
                          GDK_F2,
                          0,
                          GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED);
      menuitem = gtk_check_menu_item_new_with_label ("Accelerators Frozen");
      gtk_menu_append (GTK_MENU (menu), menuitem);
      gtk_widget_show (menuitem);
      gtk_widget_add_accelerator (menuitem,
                          "activate",
                          accel_group,
                          GDK_F2,
                          0,
                          GTK_ACCEL_VISIBLE);
      gtk_widget_add_accelerator (menuitem,
                          "activate",
                          accel_group,
                          GDK_F3,
                          0,
                          GTK_ACCEL_VISIBLE);
      gtk_widget_lock_accelerators (menuitem);
      
      optionmenu = gtk_option_menu_new ();
      gtk_option_menu_set_menu (GTK_OPTION_MENU (optionmenu), menu);
      gtk_option_menu_set_history (GTK_OPTION_MENU (optionmenu), 3);
      gtk_box_pack_start (GTK_BOX (box2), optionmenu, TRUE, TRUE, 0);
      gtk_widget_show (optionmenu);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
      gtk_widget_show (separator);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
      gtk_widget_show (box2);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
      gtk_widget_show (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

static void
gtk_ifactory_cb (gpointer             callback_data,
             guint                callback_action,
             GtkWidget           *widget)
{
  g_message ("ItemFactory: activated \"%s\"", gtk_item_factory_path_from_widget (widget));
}

static GtkItemFactoryEntry menu_items[] =
{
  { "/_File",            NULL,         0,                     0, "<Branch>" },
  { "/File/tearoff1",    NULL,         gtk_ifactory_cb,       0, "<Tearoff>" },
  { "/File/_New",        "<control>N", gtk_ifactory_cb,       0 },
  { "/File/_Open",       "<control>O", gtk_ifactory_cb,       0 },
  { "/File/_Save",       "<control>S", gtk_ifactory_cb,       0 },
  { "/File/Save _As...", NULL,         gtk_ifactory_cb,       0 },
  { "/File/sep1",        NULL,         gtk_ifactory_cb,       0, "<Separator>" },
  { "/File/_Quit",       "<control>Q", gtk_ifactory_cb,       0 },

  { "/_Preferences",                NULL, 0,               0, "<Branch>" },
  { "/_Preferences/_Color",         NULL, 0,               0, "<Branch>" },
  { "/_Preferences/Color/_Red",           NULL, gtk_ifactory_cb, 0, "<RadioItem>" },
  { "/_Preferences/Color/_Green",         NULL, gtk_ifactory_cb, 0, "/Preferences/Color/Red" },
  { "/_Preferences/Color/_Blue",        NULL, gtk_ifactory_cb, 0, "/Preferences/Color/Red" },
  { "/_Preferences/_Shape",         NULL, 0,               0, "<Branch>" },
  { "/_Preferences/Shape/_Square",      NULL, gtk_ifactory_cb, 0, "<RadioItem>" },
  { "/_Preferences/Shape/_Rectangle",   NULL, gtk_ifactory_cb, 0, "/Preferences/Shape/Square" },
  { "/_Preferences/Shape/_Oval",        NULL, gtk_ifactory_cb, 0, "/Preferences/Shape/Rectangle" },
  { "/_Preferences/Shape/_Rectangle",   NULL, gtk_ifactory_cb, 0, "/Preferences/Shape/Square" },
  { "/_Preferences/Shape/_Oval",        NULL, gtk_ifactory_cb, 0, "/Preferences/Shape/Rectangle" },

  /* For testing deletion of menus */
  { "/_Preferences/Should_NotAppear",          NULL, 0,               0, "<Branch>" },
  { "/Preferences/ShouldNotAppear/SubItem1",   NULL, gtk_ifactory_cb, 0 },
  { "/Preferences/ShouldNotAppear/SubItem2",   NULL, gtk_ifactory_cb, 0 },

  { "/_Help",            NULL,         0,                     0, "<LastBranch>" },
  { "/Help/_About",      NULL,         gtk_ifactory_cb,       0 },
};


static int nmenu_items = sizeof (menu_items) / sizeof (menu_items[0]);

static void
create_item_factory (void)
{
  static GtkWidget *window = NULL;
  
  if (!window)
    {
      GtkWidget *box1;
      GtkWidget *box2;
      GtkWidget *separator;
      GtkWidget *label;
      GtkWidget *button;
      GtkAccelGroup *accel_group;
      GtkItemFactory *item_factory;
      
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      
      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);
      gtk_signal_connect (GTK_OBJECT (window), "delete-event",
                    GTK_SIGNAL_FUNC (gtk_true),
                    NULL);
      
      accel_group = gtk_accel_group_new ();
      item_factory = gtk_item_factory_new (GTK_TYPE_MENU_BAR, "<main>", accel_group);
      gtk_object_set_data_full (GTK_OBJECT (window),
                        "<main>",
                        item_factory,
                        (GtkDestroyNotify) gtk_object_unref);
      gtk_accel_group_attach (accel_group, GTK_OBJECT (window));
      gtk_window_set_title (GTK_WINDOW (window), "Item Factory");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);
      gtk_item_factory_create_items (item_factory, nmenu_items, menu_items, NULL);
      
      /* preselect /Preferences/Shape/Oval over the other radios
      */
      gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (gtk_item_factory_get_item (item_factory,
                                                                                      "/Preferences/Shape/Oval")),
                                      TRUE);
      
      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);
      
      gtk_box_pack_start (GTK_BOX (box1),
                    gtk_item_factory_get_widget (item_factory, "<main>"),
                    FALSE, FALSE, 0);

      label = gtk_label_new ("Type\n<alt>\nto start");
      gtk_widget_set_usize (label, 200, 200);
      gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5);
      gtk_box_pack_start (GTK_BOX (box1), label, TRUE, TRUE, 0);


      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);


      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);

      gtk_item_factory_delete_item (item_factory, "/Preferences/ShouldNotAppear");
      
      gtk_widget_show_all (window);
    }
  else
    gtk_widget_destroy (window);
}

/*
 create_modal_window
 */

static gboolean
cmw_destroy_cb(GtkWidget *widget)
{
  /* This is needed to get out of gtk_main */
  gtk_main_quit ();

  return FALSE;
}

static void
cmw_color (GtkWidget *widget, GtkWidget *parent)
{
    GtkWidget *csd;

    csd=gtk_color_selection_dialog_new ("This is a modal color selection dialog");

    /* Set as modal */
    gtk_window_set_modal (GTK_WINDOW(csd),TRUE);

    /* And mark it as a transient dialog */
    gtk_window_set_transient_for (GTK_WINDOW (csd), GTK_WINDOW (parent));
    
    gtk_signal_connect (GTK_OBJECT(csd), "destroy",
                    GTK_SIGNAL_FUNC(cmw_destroy_cb),NULL);

    gtk_signal_connect_object (GTK_OBJECT(GTK_COLOR_SELECTION_DIALOG(csd)->ok_button),
                               "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy),
                               GTK_OBJECT (csd));
    gtk_signal_connect_object (GTK_OBJECT(GTK_COLOR_SELECTION_DIALOG(csd)->cancel_button),
                               "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy),
                               GTK_OBJECT (csd));
    
    /* wait until destroy calls gtk_main_quit */
    gtk_widget_show (csd);    
    gtk_main ();
}

static void
cmw_file (GtkWidget *widget, GtkWidget *parent)
{
    GtkWidget *fs;

    fs = gtk_file_selection_new("This is a modal file selection dialog");

    /* Set as modal */
    gtk_window_set_modal (GTK_WINDOW(fs),TRUE);

    /* And mark it as a transient dialog */
    gtk_window_set_transient_for (GTK_WINDOW (fs), GTK_WINDOW (parent));

    gtk_signal_connect (GTK_OBJECT(fs), "destroy",
                        GTK_SIGNAL_FUNC(cmw_destroy_cb),NULL);

    gtk_signal_connect_object (GTK_OBJECT(GTK_FILE_SELECTION(fs)->ok_button),
                               "clicked",GTK_SIGNAL_FUNC(gtk_widget_destroy),
                               GTK_OBJECT (fs));
    gtk_signal_connect_object (GTK_OBJECT(GTK_FILE_SELECTION(fs)->cancel_button),
                               "clicked",GTK_SIGNAL_FUNC(gtk_widget_destroy),
                               GTK_OBJECT (fs));
    
    /* wait until destroy calls gtk_main_quit */
    gtk_widget_show (fs);
    
    gtk_main();
}


static void
create_modal_window (void)
{
  GtkWidget *window = NULL;
  GtkWidget *box1,*box2;
  GtkWidget *frame1;
  GtkWidget *btnColor,*btnFile,*btnClose;

  /* Create modal window (Here you can use any window descendent )*/
  window=gtk_window_new (GTK_WINDOW_TOPLEVEL);
  gtk_window_set_title (GTK_WINDOW(window),"This window is modal");

  /* Set window as modal */
  gtk_window_set_modal (GTK_WINDOW(window),TRUE);

  /* Create widgets */
  box1 = gtk_vbox_new (FALSE,5);
   frame1 = gtk_frame_new ("Standard dialogs in modal form");
    box2 = gtk_vbox_new (TRUE,5);
     btnColor = gtk_button_new_with_label ("Color");
     btnFile = gtk_button_new_with_label ("File Selection");
     btnClose = gtk_button_new_with_label ("Close");

  /* Init widgets */
  gtk_container_set_border_width (GTK_CONTAINER(box1),3);
  gtk_container_set_border_width (GTK_CONTAINER(box2),3);
    
  /* Pack widgets */
  gtk_container_add (GTK_CONTAINER (window), box1);
   gtk_box_pack_start (GTK_BOX (box1), frame1, TRUE, TRUE, 4);
    gtk_container_add (GTK_CONTAINER (frame1), box2);
     gtk_box_pack_start (GTK_BOX (box2), btnColor, FALSE, FALSE, 4);
     gtk_box_pack_start (GTK_BOX (box2), btnFile, FALSE, FALSE, 4);
   gtk_box_pack_start (GTK_BOX (box1), gtk_hseparator_new (), FALSE, FALSE, 4);
   gtk_box_pack_start (GTK_BOX (box1), btnClose, FALSE, FALSE, 4);
   
  /* connect signals */
  gtk_signal_connect_object (GTK_OBJECT (btnClose), "clicked",
                             GTK_SIGNAL_FUNC (gtk_widget_destroy),
                             GTK_OBJECT (window));

  gtk_signal_connect (GTK_OBJECT (window), "destroy",
                      GTK_SIGNAL_FUNC (cmw_destroy_cb),NULL);
  
  gtk_signal_connect (GTK_OBJECT (btnColor), "clicked",
                      GTK_SIGNAL_FUNC (cmw_color),window);
  gtk_signal_connect (GTK_OBJECT (btnFile), "clicked",
                      GTK_SIGNAL_FUNC (cmw_file),window);

  /* Show widgets */
  gtk_widget_show_all (window);

  /* wait until dialog get destroyed */
  gtk_main();
}

/*
 * GtkScrolledWindow
 */

static GtkWidget *sw_parent = NULL;
static GtkWidget *sw_float_parent;
static guint sw_destroyed_handler = 0;

static gboolean
scrolled_windows_delete_cb (GtkWidget *widget, GdkEventAny *event, GtkWidget *scrollwin)
{
  gtk_widget_reparent (scrollwin, sw_parent);
  
  gtk_signal_disconnect (GTK_OBJECT (sw_parent), sw_destroyed_handler);
  sw_float_parent = NULL;
  sw_parent = NULL;
  sw_destroyed_handler = 0;

  return FALSE;
}

static void
scrolled_windows_destroy_cb (GtkWidget *widget, GtkWidget *scrollwin)
{
  gtk_widget_destroy (sw_float_parent);

  sw_float_parent = NULL;
  sw_parent = NULL;
  sw_destroyed_handler = 0;
}

static void
scrolled_windows_remove (GtkWidget *widget, GtkWidget *scrollwin)
{
  if (sw_parent)
    {
      gtk_widget_reparent (scrollwin, sw_parent);
      gtk_widget_destroy (sw_float_parent);

      gtk_signal_disconnect (GTK_OBJECT (sw_parent), sw_destroyed_handler);
      sw_float_parent = NULL;
      sw_parent = NULL;
      sw_destroyed_handler = 0;
    }
  else
    {
      sw_parent = scrollwin->parent;
      sw_float_parent = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      gtk_window_set_default_size (GTK_WINDOW (sw_float_parent), 200, 200);
      
      gtk_widget_reparent (scrollwin, sw_float_parent);
      gtk_widget_show (sw_float_parent);

      sw_destroyed_handler =
      gtk_signal_connect (GTK_OBJECT (sw_parent), "destroy",
                      GTK_SIGNAL_FUNC (scrolled_windows_destroy_cb), scrollwin);
      gtk_signal_connect (GTK_OBJECT (sw_float_parent), "delete_event",
                    GTK_SIGNAL_FUNC (scrolled_windows_delete_cb), scrollwin);
    }
}

static void
create_scrolled_windows (void)
{
  static GtkWidget *window;
  GtkWidget *scrolled_window;
  GtkWidget *table;
  GtkWidget *button;
  char buffer[32];
  int i, j;

  if (!window)
    {
      window = gtk_dialog_new ();

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "dialog");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);


      scrolled_window = gtk_scrolled_window_new (NULL, NULL);
      gtk_container_set_border_width (GTK_CONTAINER (scrolled_window), 10);
      gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
                              GTK_POLICY_AUTOMATIC,
                              GTK_POLICY_AUTOMATIC);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->vbox), 
                    scrolled_window, TRUE, TRUE, 0);
      gtk_widget_show (scrolled_window);

      table = gtk_table_new (20, 20, FALSE);
      gtk_table_set_row_spacings (GTK_TABLE (table), 10);
      gtk_table_set_col_spacings (GTK_TABLE (table), 10);
      gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolled_window), table);
      gtk_container_set_focus_hadjustment (GTK_CONTAINER (table),
                                 gtk_scrolled_window_get_hadjustment (GTK_SCROLLED_WINDOW (scrolled_window)));
      gtk_container_set_focus_vadjustment (GTK_CONTAINER (table),
                                 gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (scrolled_window)));
      gtk_widget_show (table);

      for (i = 0; i < 20; i++)
      for (j = 0; j < 20; j++)
        {
          sprintf (buffer, "button (%d,%d)\n", i, j);
          button = gtk_toggle_button_new_with_label (buffer);
          gtk_table_attach_defaults (GTK_TABLE (table), button,
                               i, i+1, j, j+1);
          gtk_widget_show (button);
        }


      button = gtk_button_new_with_label ("Close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area), 
                    button, TRUE, TRUE, 0);
      gtk_widget_grab_default (button);
      gtk_widget_show (button);

      button = gtk_button_new_with_label ("Reparent Out");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC(scrolled_windows_remove),
                    scrolled_window);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area), 
                    button, TRUE, TRUE, 0);
      gtk_widget_grab_default (button);
      gtk_widget_show (button);

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

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkEntry
 */

static void
entry_toggle_editable (GtkWidget *checkbutton,
                   GtkWidget *entry)
{
   gtk_entry_set_editable(GTK_ENTRY(entry),
                    GTK_TOGGLE_BUTTON(checkbutton)->active);
}

static void
entry_toggle_sensitive (GtkWidget *checkbutton,
                  GtkWidget *entry)
{
   gtk_widget_set_sensitive (entry, GTK_TOGGLE_BUTTON(checkbutton)->active);
}

static void
entry_toggle_visibility (GtkWidget *checkbutton,
                  GtkWidget *entry)
{
   gtk_entry_set_visibility(GTK_ENTRY(entry),
                   GTK_TOGGLE_BUTTON(checkbutton)->active);
}

static void
create_entry (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *editable_check;
  GtkWidget *sensitive_check;
  GtkWidget *entry, *cb;
  GtkWidget *button;
  GtkWidget *separator;
  GList *cbitems = NULL;

  if (!window)
    {
      cbitems = g_list_append(cbitems, "item0");
      cbitems = g_list_append(cbitems, "item1 item1");
      cbitems = g_list_append(cbitems, "item2 item2 item2");
      cbitems = g_list_append(cbitems, "item3 item3 item3 item3");
      cbitems = g_list_append(cbitems, "item4 item4 item4 item4 item4");
      cbitems = g_list_append(cbitems, "item5 item5 item5 item5 item5 item5");
      cbitems = g_list_append(cbitems, "item6 item6 item6 item6 item6");
      cbitems = g_list_append(cbitems, "item7 item7 item7 item7");
      cbitems = g_list_append(cbitems, "item8 item8 item8");
      cbitems = g_list_append(cbitems, "item9 item9");

      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "entry");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);


      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);
      gtk_widget_show (box1);


      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);
      gtk_widget_show (box2);

      entry = gtk_entry_new ();
      gtk_entry_set_text (GTK_ENTRY (entry), "hello world");
      gtk_editable_select_region (GTK_EDITABLE (entry), 0, 5);
      gtk_box_pack_start (GTK_BOX (box2), entry, TRUE, TRUE, 0);
      gtk_widget_show (entry);

      cb = gtk_combo_new ();
      gtk_combo_set_popdown_strings (GTK_COMBO (cb), cbitems);
      gtk_entry_set_text (GTK_ENTRY (GTK_COMBO(cb)->entry), "hello world");
      gtk_editable_select_region (GTK_EDITABLE (GTK_COMBO(cb)->entry),
                          0, -1);
      gtk_box_pack_start (GTK_BOX (box2), cb, TRUE, TRUE, 0);
      gtk_widget_show (cb);

      editable_check = gtk_check_button_new_with_label("Editable");
      gtk_box_pack_start (GTK_BOX (box2), editable_check, FALSE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT(editable_check), "toggled",
                    GTK_SIGNAL_FUNC(entry_toggle_editable), entry);
      gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(editable_check), TRUE);
      gtk_widget_show (editable_check);

      editable_check = gtk_check_button_new_with_label("Visible");
      gtk_box_pack_start (GTK_BOX (box2), editable_check, FALSE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT(editable_check), "toggled",
                    GTK_SIGNAL_FUNC(entry_toggle_visibility), entry);
      gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(editable_check), TRUE);
      gtk_widget_show (editable_check);

      sensitive_check = gtk_check_button_new_with_label("Sensitive");
      gtk_box_pack_start (GTK_BOX (box2), sensitive_check, FALSE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT(sensitive_check), "toggled",
                    GTK_SIGNAL_FUNC(entry_toggle_sensitive), entry);
      gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(sensitive_check), TRUE);
      gtk_widget_show (sensitive_check);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
      gtk_widget_show (separator);


      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
      gtk_widget_show (box2);


      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
      gtk_widget_show (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkSpinButton
 */

static GtkWidget *spinner1;

static void
toggle_snap (GtkWidget *widget, GtkSpinButton *spin)
{
  gtk_spin_button_set_snap_to_ticks (spin, GTK_TOGGLE_BUTTON (widget)->active);
}

static void
toggle_numeric (GtkWidget *widget, GtkSpinButton *spin)
{
  gtk_spin_button_set_numeric (spin, GTK_TOGGLE_BUTTON (widget)->active);
}

static void
change_digits (GtkWidget *widget, GtkSpinButton *spin)
{
  gtk_spin_button_set_digits (GTK_SPIN_BUTTON (spinner1),
                        gtk_spin_button_get_value_as_int (spin));
}

static void
get_value (GtkWidget *widget, gpointer data)
{
  gchar buf[32];
  GtkLabel *label;
  GtkSpinButton *spin;

  spin = GTK_SPIN_BUTTON (spinner1);
  label = GTK_LABEL (gtk_object_get_user_data (GTK_OBJECT (widget)));
  if (GPOINTER_TO_INT (data) == 1)
    sprintf (buf, "%d", gtk_spin_button_get_value_as_int (spin));
  else
    sprintf (buf, "%0.*f", spin->digits,
           gtk_spin_button_get_value_as_float (spin));
  gtk_label_set_text (label, buf);
}

static void
create_spins (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *frame;
  GtkWidget *hbox;
  GtkWidget *main_vbox;
  GtkWidget *vbox;
  GtkWidget *vbox2;
  GtkWidget *spinner2;
  GtkWidget *spinner;
  GtkWidget *button;
  GtkWidget *label;
  GtkWidget *val_label;
  GtkAdjustment *adj;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      
      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC (gtk_widget_destroyed),
                    &window);
      
      gtk_window_set_title (GTK_WINDOW (window), "GtkSpinButton");
      
      main_vbox = gtk_vbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 10);
      gtk_container_add (GTK_CONTAINER (window), main_vbox);
      
      frame = gtk_frame_new ("Not accelerated");
      gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
      
      vbox = gtk_vbox_new (FALSE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
      gtk_container_add (GTK_CONTAINER (frame), vbox);
      
      /* Day, month, year spinners */
      
      hbox = gtk_hbox_new (FALSE, 0);
      gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 5);
      
      vbox2 = gtk_vbox_new (FALSE, 0);
      gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
      
      label = gtk_label_new ("Day :");
      gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
      gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
      
      adj = (GtkAdjustment *) gtk_adjustment_new (1.0, 1.0, 31.0, 1.0,
                                      5.0, 0.0);
      spinner = gtk_spin_button_new (adj, 0, 0);
      gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), TRUE);
      gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinner),
                               GTK_SHADOW_OUT);
      gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);

      vbox2 = gtk_vbox_new (FALSE, 0);
      gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
      
      label = gtk_label_new ("Month :");
      gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
      gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
      
      adj = (GtkAdjustment *) gtk_adjustment_new (1.0, 1.0, 12.0, 1.0,
                                      5.0, 0.0);
      spinner = gtk_spin_button_new (adj, 0, 0);
      gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), TRUE);
      gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinner),
                               GTK_SHADOW_ETCHED_IN);
      gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);
      
      vbox2 = gtk_vbox_new (FALSE, 0);
      gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);

      label = gtk_label_new ("Year :");
      gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
      gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);

      adj = (GtkAdjustment *) gtk_adjustment_new (1998.0, 0.0, 2100.0, 
                                      1.0, 100.0, 0.0);
      spinner = gtk_spin_button_new (adj, 0, 0);
      gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), TRUE);
      gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinner),
                               GTK_SHADOW_IN);
      gtk_widget_set_usize (spinner, 55, 0);
      gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);

      frame = gtk_frame_new ("Accelerated");
      gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
  
      vbox = gtk_vbox_new (FALSE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
      gtk_container_add (GTK_CONTAINER (frame), vbox);
      
      hbox = gtk_hbox_new (FALSE, 0);
      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);
      
      vbox2 = gtk_vbox_new (FALSE, 0);
      gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
      
      label = gtk_label_new ("Value :");
      gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
      gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);

      adj = (GtkAdjustment *) gtk_adjustment_new (0.0, -10000.0, 10000.0,
                                      0.5, 100.0, 0.0);
      spinner1 = gtk_spin_button_new (adj, 1.0, 2);
      gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner1), TRUE);
      gtk_widget_set_usize (spinner1, 100, 0);
      gtk_box_pack_start (GTK_BOX (vbox2), spinner1, FALSE, TRUE, 0);

      vbox2 = gtk_vbox_new (FALSE, 0);
      gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);

      label = gtk_label_new ("Digits :");
      gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
      gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);

      adj = (GtkAdjustment *) gtk_adjustment_new (2, 1, 5, 1, 1, 0);
      spinner2 = gtk_spin_button_new (adj, 0.0, 0);
      gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner2), TRUE);
      gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
                    GTK_SIGNAL_FUNC (change_digits),
                    (gpointer) spinner2);
      gtk_box_pack_start (GTK_BOX (vbox2), spinner2, FALSE, TRUE, 0);

      hbox = gtk_hbox_new (FALSE, 0);
      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);

      button = gtk_check_button_new_with_label ("Snap to 0.5-ticks");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (toggle_snap),
                    spinner1);
      gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);

      button = gtk_check_button_new_with_label ("Numeric only input mode");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (toggle_numeric),
                    spinner1);
      gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);

      val_label = gtk_label_new ("");

      hbox = gtk_hbox_new (FALSE, 0);
      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);

      button = gtk_button_new_with_label ("Value as Int");
      gtk_object_set_user_data (GTK_OBJECT (button), val_label);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (get_value),
                    GINT_TO_POINTER (1));
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);

      button = gtk_button_new_with_label ("Value as Float");
      gtk_object_set_user_data (GTK_OBJECT (button), val_label);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (get_value),
                    GINT_TO_POINTER (2));
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);

      gtk_box_pack_start (GTK_BOX (vbox), val_label, TRUE, TRUE, 0);
      gtk_label_set_text (GTK_LABEL (val_label), "0");

      hbox = gtk_hbox_new (FALSE, 0);
      gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, TRUE, 0);
  
      button = gtk_button_new_with_label ("Close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC (gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * Cursors
 */

static gint
cursor_expose_event (GtkWidget *widget,
                 GdkEvent  *event,
                 gpointer   user_data)
{
  GtkDrawingArea *darea;
  GdkDrawable *drawable;
  GdkGC *black_gc;
  GdkGC *gray_gc;
  GdkGC *white_gc;
  guint max_width;
  guint max_height;

  g_return_val_if_fail (widget != NULL, TRUE);
  g_return_val_if_fail (GTK_IS_DRAWING_AREA (widget), TRUE);

  darea = GTK_DRAWING_AREA (widget);
  drawable = widget->window;
  white_gc = widget->style->white_gc;
  gray_gc = widget->style->bg_gc[GTK_STATE_NORMAL];
  black_gc = widget->style->black_gc;
  max_width = widget->allocation.width;
  max_height = widget->allocation.height;

  gdk_draw_rectangle (drawable, white_gc,
                  TRUE,
                  0,
                  0,
                  max_width,
                  max_height / 2);

  gdk_draw_rectangle (drawable, black_gc,
                  TRUE,
                  0,
                  max_height / 2,
                  max_width,
                  max_height / 2);

  gdk_draw_rectangle (drawable, gray_gc,
                  TRUE,
                  max_width / 3,
                  max_height / 3,
                  max_width / 3,
                  max_height / 3);

  return TRUE;
}

static void
set_cursor (GtkWidget *spinner,
          GtkWidget *widget)
{
  guint c;
  GdkCursor *cursor;
  GtkWidget *label;
  GtkFlagValue *vals;

  c = CLAMP (gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (spinner)), 0, 152);
  c &= 0xfe;

  label = gtk_object_get_user_data (GTK_OBJECT (spinner));
  vals = gtk_type_enum_get_values (GTK_TYPE_GDK_CURSOR_TYPE);
  while (vals && vals->value != c)
    vals++;
  if (vals)
    gtk_label_set_text (GTK_LABEL (label), vals->value_nick);
  else
    gtk_label_set_text (GTK_LABEL (label), "<unknown>");

  cursor = gdk_cursor_new (c);
  gdk_window_set_cursor (widget->window, cursor);
  gdk_cursor_destroy (cursor);
}

static gint
cursor_event (GtkWidget          *widget,
            GdkEvent           *event,
            GtkSpinButton      *spinner)
{
  if ((event->type == GDK_BUTTON_PRESS) &&
      ((event->button.button == 1) ||
       (event->button.button == 3)))
    {
      gtk_spin_button_spin (spinner, event->button.button == 1 ?
                      GTK_SPIN_STEP_FORWARD : GTK_SPIN_STEP_BACKWARD, 0);
      return TRUE;
    }

  return FALSE;
}

static void
create_cursors (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *frame;
  GtkWidget *hbox;
  GtkWidget *main_vbox;
  GtkWidget *vbox;
  GtkWidget *darea;
  GtkWidget *spinner;
  GtkWidget *button;
  GtkWidget *label;
  GtkWidget *any;
  GtkAdjustment *adj;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      
      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC (gtk_widget_destroyed),
                    &window);
      
      gtk_window_set_title (GTK_WINDOW (window), "Cursors");
      
      main_vbox = gtk_vbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 0);
      gtk_container_add (GTK_CONTAINER (window), main_vbox);

      vbox =
      gtk_widget_new (gtk_vbox_get_type (),
                  "GtkBox::homogeneous", FALSE,
                  "GtkBox::spacing", 5,
                  "GtkContainer::border_width", 10,
                  "GtkWidget::parent", main_vbox,
                  "GtkWidget::visible", TRUE,
                  NULL);

      hbox = gtk_hbox_new (FALSE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
      
      label = gtk_label_new ("Cursor Value : ");
      gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
      
      adj = (GtkAdjustment *) gtk_adjustment_new (0,
                                      0, 152,
                                      2,
                                      10, 0);
      spinner = gtk_spin_button_new (adj, 0, 0);
      gtk_box_pack_start (GTK_BOX (hbox), spinner, TRUE, TRUE, 0);

      frame =
      gtk_widget_new (gtk_frame_get_type (),
                  "GtkFrame::shadow", GTK_SHADOW_ETCHED_IN,
                  "GtkFrame::label_xalign", 0.5,
                  "GtkFrame::label", "Cursor Area",
                  "GtkContainer::border_width", 10,
                  "GtkWidget::parent", vbox,
                  "GtkWidget::visible", TRUE,
                  NULL);

      darea = gtk_drawing_area_new ();
      gtk_widget_set_usize (darea, 80, 80);
      gtk_container_add (GTK_CONTAINER (frame), darea);
      gtk_signal_connect (GTK_OBJECT (darea),
                    "expose_event",
                    GTK_SIGNAL_FUNC (cursor_expose_event),
                    NULL);
      gtk_widget_set_events (darea, GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK);
      gtk_signal_connect (GTK_OBJECT (darea),
                    "button_press_event",
                    GTK_SIGNAL_FUNC (cursor_event),
                    spinner);
      gtk_widget_show (darea);

      gtk_signal_connect (GTK_OBJECT (spinner), "changed",
                    GTK_SIGNAL_FUNC (set_cursor),
                    darea);

      label = gtk_widget_new (GTK_TYPE_LABEL,
                        "visible", TRUE,
                        "label", "XXX",
                        "parent", vbox,
                        NULL);
      gtk_container_child_set (GTK_CONTAINER (vbox), label,
                         "expand", FALSE,
                         NULL);
      gtk_object_set_user_data (GTK_OBJECT (spinner), label);

      any =
      gtk_widget_new (gtk_hseparator_get_type (),
                  "GtkWidget::visible", TRUE,
                  NULL);
      gtk_box_pack_start (GTK_BOX (main_vbox), any, FALSE, TRUE, 0);
  
      hbox = gtk_hbox_new (FALSE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (hbox), 10);
      gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("Close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC (gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);

      gtk_widget_show_all (window);

      set_cursor (spinner, darea);
    }
  else
    gtk_widget_destroy (window);
}

/*
 * GtkList
 */

static void
list_add (GtkWidget *widget,
        GtkWidget *list)
{
  static int i = 1;
  gchar buffer[64];
  GtkWidget *list_item;
  GtkContainer *container;

  container = GTK_CONTAINER (list);

  sprintf (buffer, "added item %d", i++);
  list_item = gtk_list_item_new_with_label (buffer);
  gtk_widget_show (list_item);

  gtk_container_add (container, list_item);
}

static void
list_remove (GtkWidget *widget,
           GtkList   *list)
{
  GList *clear_list = NULL;
  GList *sel_row = NULL;
  GList *work = NULL;

  if (list->selection_mode == GTK_SELECTION_EXTENDED)
    {
      GtkWidget *item;

      item = GTK_CONTAINER (list)->focus_child;
      if (!item && list->selection)
      item = list->selection->data;

      if (item)
      {
        work = g_list_find (list->children, item);
        for (sel_row = work; sel_row; sel_row = sel_row->next)
          if (GTK_WIDGET (sel_row->data)->state != GTK_STATE_SELECTED)
            break;

        if (!sel_row)
          {
            for (sel_row = work; sel_row; sel_row = sel_row->prev)
            if (GTK_WIDGET (sel_row->data)->state != GTK_STATE_SELECTED)
              break;
          }
      }
    }

  for (work = list->selection; work; work = work->next)
    clear_list = g_list_prepend (clear_list, work->data);

  clear_list = g_list_reverse (clear_list);
  gtk_list_remove_items (GTK_LIST (list), clear_list);
  g_list_free (clear_list);

  if (list->selection_mode == GTK_SELECTION_EXTENDED && sel_row)
    gtk_list_select_child (list, GTK_WIDGET(sel_row->data));
}

static void
list_clear (GtkWidget *widget,
          GtkWidget *list)
{
  gtk_list_clear_items (GTK_LIST (list), 0, -1);
}

#define RADIOMENUTOGGLED(_rmi_, __i) { \
  GSList * __g; \
  __i = 0; \
  __g = gtk_radio_menu_item_group(_rmi_); \
  while( __g  && !((GtkCheckMenuItem *)(__g->data))->active) { \
    __g = __g->next; \
    __i++; \
  }\
}

static GtkWidget *list_omenu;

static void 
list_toggle_sel_mode (GtkWidget *widget, GtkList *list)
{
  gint i;

  if (!GTK_WIDGET_MAPPED (widget))
    return;

  RADIOMENUTOGGLED ((GtkRadioMenuItem *)
                (((GtkOptionMenu *)list_omenu)->menu_item), i);

  gtk_list_set_selection_mode (list, (GtkSelectionMode) (3-i));
}

static void
create_list (void)
{
  static GtkWidget *window = NULL;

  static OptionMenuItem items[] =
  {
    { "Single",   list_toggle_sel_mode },
    { "Browse",   list_toggle_sel_mode },
    { "Multiple", list_toggle_sel_mode },
    { "Extended", list_toggle_sel_mode }
  };

  if (!window)
    {
      GtkWidget *cbox;
      GtkWidget *vbox;
      GtkWidget *hbox;
      GtkWidget *label;
      GtkWidget *scrolled_win;
      GtkWidget *list;
      GtkWidget *button;
      GtkWidget *separator;
      FILE *infile;

      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "list");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      vbox = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), vbox);

      scrolled_win = gtk_scrolled_window_new (NULL, NULL);
      gtk_container_set_border_width (GTK_CONTAINER (scrolled_win), 5);
      gtk_widget_set_usize (scrolled_win, -1, 300);
      gtk_box_pack_start (GTK_BOX (vbox), scrolled_win, TRUE, TRUE, 0);
      gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
                              GTK_POLICY_AUTOMATIC,
                              GTK_POLICY_AUTOMATIC);

      list = gtk_list_new ();
      gtk_list_set_selection_mode (GTK_LIST (list), GTK_SELECTION_EXTENDED);
      gtk_scrolled_window_add_with_viewport
      (GTK_SCROLLED_WINDOW (scrolled_win), list);
      gtk_container_set_focus_vadjustment
      (GTK_CONTAINER (list),
       gtk_scrolled_window_get_vadjustment
       (GTK_SCROLLED_WINDOW (scrolled_win)));
      gtk_container_set_focus_hadjustment
      (GTK_CONTAINER (list),
       gtk_scrolled_window_get_hadjustment
       (GTK_SCROLLED_WINDOW (scrolled_win)));

      if ((infile = fopen("gtkenums.h", "r")))
      {
        char buffer[256];
        char *pos;
        GtkWidget *item;

        while (fgets (buffer, 256, infile))
          {
            if ((pos = strchr (buffer, '\n')))
            *pos = 0;
            item = gtk_list_item_new_with_label (buffer);
            gtk_container_add (GTK_CONTAINER (list), item);
          }
        
        fclose (infile);
      }


      hbox = gtk_hbox_new (TRUE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("Insert Row");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (list_add),
                    list);

      button = gtk_button_new_with_label ("Clear List");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (list_clear),
                    list);

      button = gtk_button_new_with_label ("Remove Selection");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (list_remove),
                    list);

      cbox = gtk_hbox_new (FALSE, 0);
      gtk_box_pack_start (GTK_BOX (vbox), cbox, FALSE, TRUE, 0);

      hbox = gtk_hbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
      gtk_box_pack_start (GTK_BOX (cbox), hbox, TRUE, FALSE, 0);

      label = gtk_label_new ("Selection Mode :");
      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);

      list_omenu = build_option_menu (items, 4, 3, list);
      gtk_box_pack_start (GTK_BOX (hbox), list_omenu, FALSE, TRUE, 0);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (vbox), separator, FALSE, TRUE, 0);

      cbox = gtk_hbox_new (FALSE, 0);
      gtk_box_pack_start (GTK_BOX (vbox), cbox, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("close");
      gtk_container_set_border_width (GTK_CONTAINER (button), 10);
      gtk_box_pack_start (GTK_BOX (cbox), button, TRUE, TRUE, 0);
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));

      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkCList
 */

static char * book_open_xpm[] = {
"16 16 4 1",
"       c None s None",
".      c black",
"X      c #808080",
"o      c white",
"                ",
"  ..            ",
" .Xo.    ...    ",
" .Xoo. ..oo.    ",
" .Xooo.Xooo...  ",
" .Xooo.oooo.X.  ",
" .Xooo.Xooo.X.  ",
" .Xooo.oooo.X.  ",
" .Xooo.Xooo.X.  ",
" .Xooo.oooo.X.  ",
"  .Xoo.Xoo..X.  ",
"   .Xo.o..ooX.  ",
"    .X..XXXXX.  ",
"    ..X.......  ",
"     ..         ",
"                "};

static char * book_closed_xpm[] = {
"16 16 6 1",
"       c None s None",
".      c black",
"X      c red",
"o      c yellow",
"O      c #808080",
"#      c white",
"                ",
"       ..       ",
"     ..XX.      ",
"   ..XXXXX.     ",
" ..XXXXXXXX.    ",
".ooXXXXXXXXX.   ",
"..ooXXXXXXXXX.  ",
".X.ooXXXXXXXXX. ",
".XX.ooXXXXXX..  ",
" .XX.ooXXX..#O  ",
"  .XX.oo..##OO. ",
"   .XX..##OO..  ",
"    .X.#OO..    ",
"     ..O..      ",
"      ..        ",
"                "};

static char * mini_page_xpm[] = {
"16 16 4 1",
"       c None s None",
".      c black",
"X      c white",
"o      c #808080",
"                ",
"   .......      ",
"   .XXXXX..     ",
"   .XoooX.X.    ",
"   .XXXXX....   ",
"   .XooooXoo.o  ",
"   .XXXXXXXX.o  ",
"   .XooooooX.o  ",
"   .XXXXXXXX.o  ",
"   .XooooooX.o  ",
"   .XXXXXXXX.o  ",
"   .XooooooX.o  ",
"   .XXXXXXXX.o  ",
"   ..........o  ",
"    oooooooooo  ",
"                "};

static char * gtk_mini_xpm[] = {
"15 20 17 1",
"       c None",
".      c #14121F",
"+      c #278828",
"@      c #9B3334",
"#      c #284C72",
"$      c #24692A",
"%      c #69282E",
"&      c #37C539",
"*      c #1D2F4D",
"=      c #6D7076",
"-      c #7D8482",
";      c #E24A49",
">      c #515357",
",      c #9B9C9B",
"'      c #2FA232",
")      c #3CE23D",
"!      c #3B6CCB",
"               ",
"      ***>     ",
"    >.*!!!*    ",
"   ***....#*=  ",
"  *!*.!!!**!!# ",
" .!!#*!#*!!!!# ",
" @%#!.##.*!!$& ",
" @;%*!*.#!#')) ",
" @;;@%!!*$&)'' ",
" @%.%@%$'&)$+' ",
" @;...@$'*'*)+ ",
" @;%..@$+*.')$ ",
" @;%%;;$+..$)# ",
" @;%%;@$$$'.$# ",
" %;@@;;$$+))&* ",
"  %;;;@+$&)&*  ",
"   %;;@'))+>   ",
"    %;@'&#     ",
"     >%$$      ",
"      >=       "};

#define TESTGTK_CLIST_COLUMNS 12
static gint clist_rows = 0;
static GtkWidget *clist_omenu;

static void
add1000_clist (GtkWidget *widget, gpointer data)
{
  gint i, row;
  char text[TESTGTK_CLIST_COLUMNS][50];
  char *texts[TESTGTK_CLIST_COLUMNS];
  GdkBitmap *mask;
  GdkPixmap *pixmap;
  GtkCList  *clist;

  clist = GTK_CLIST (data);

  pixmap = gdk_pixmap_create_from_xpm_d (clist->clist_window,
                               &mask, 
                               &GTK_WIDGET (data)->style->white,
                               gtk_mini_xpm);

  for (i = 0; i < TESTGTK_CLIST_COLUMNS; i++)
    {
      texts[i] = text[i];
      sprintf (text[i], "Column %d", i);
    }
  
  texts[3] = NULL;
  sprintf (text[1], "Right");
  sprintf (text[2], "Center");
  
  gtk_clist_freeze (GTK_CLIST (data));
  for (i = 0; i < 1000; i++)
    {
      sprintf (text[0], "CListRow %d", rand() % 10000);
      row = gtk_clist_append (clist, texts);
      gtk_clist_set_pixtext (clist, row, 3, "gtk+", 5, pixmap, mask);
    }

  gtk_clist_thaw (GTK_CLIST (data));

  gdk_pixmap_unref (pixmap);
  gdk_bitmap_unref (mask);
}

static void
add10000_clist (GtkWidget *widget, gpointer data)
{
  gint i;
  char text[TESTGTK_CLIST_COLUMNS][50];
  char *texts[TESTGTK_CLIST_COLUMNS];

  for (i = 0; i < TESTGTK_CLIST_COLUMNS; i++)
    {
      texts[i] = text[i];
      sprintf (text[i], "Column %d", i);
    }
  
  sprintf (text[1], "Right");
  sprintf (text[2], "Center");
  
  gtk_clist_freeze (GTK_CLIST (data));
  for (i = 0; i < 10000; i++)
    {
      sprintf (text[0], "CListRow %d", rand() % 10000);
      gtk_clist_append (GTK_CLIST (data), texts);
    }
  gtk_clist_thaw (GTK_CLIST (data));
}

void
clear_clist (GtkWidget *widget, gpointer data)
{
  gtk_clist_clear (GTK_CLIST (data));
  clist_rows = 0;
}

void clist_remove_selection (GtkWidget *widget, GtkCList *clist)
{
  gtk_clist_freeze (clist);

  while (clist->selection)
    {
      gint row;

      clist_rows--;
      row = GPOINTER_TO_INT (clist->selection->data);

      gtk_clist_remove (clist, row);

      if (clist->selection_mode == GTK_SELECTION_BROWSE)
      break;
    }

  if (clist->selection_mode == GTK_SELECTION_EXTENDED && !clist->selection &&
      clist->focus_row >= 0)
    gtk_clist_select_row (clist, clist->focus_row, -1);

  gtk_clist_thaw (clist);
}

void toggle_title_buttons (GtkWidget *widget, GtkCList *clist)
{
  if (GTK_TOGGLE_BUTTON (widget)->active)
    gtk_clist_column_titles_show (clist);
  else
    gtk_clist_column_titles_hide (clist);
}

void toggle_reorderable (GtkWidget *widget, GtkCList *clist)
{
  gtk_clist_set_reorderable (clist, GTK_TOGGLE_BUTTON (widget)->active);
}

static void
insert_row_clist (GtkWidget *widget, gpointer data)
{
  static char *text[] =
  {
    "This", "is an", "inserted", "row.",
    "This", "is an", "inserted", "row.",
    "This", "is an", "inserted", "row."
  };

  static GtkStyle *style1 = NULL;
  static GtkStyle *style2 = NULL;
  static GtkStyle *style3 = NULL;
  gint row;
  
  if (GTK_CLIST (data)->focus_row >= 0)
    row = gtk_clist_insert (GTK_CLIST (data), GTK_CLIST (data)->focus_row,
                      text);
  else
    row = gtk_clist_prepend (GTK_CLIST (data), text);

  if (!style1)
    {
      GdkColor col1;
      GdkColor col2;

      col1.red   = 0;
      col1.green = 56000;
      col1.blue  = 0;
      col2.red   = 32000;
      col2.green = 0;
      col2.blue  = 56000;

      style1 = gtk_style_copy (GTK_WIDGET (data)->style);
      style1->base[GTK_STATE_NORMAL] = col1;
      style1->base[GTK_STATE_SELECTED] = col2;

      style2 = gtk_style_copy (GTK_WIDGET (data)->style);
      style2->fg[GTK_STATE_NORMAL] = col1;
      style2->fg[GTK_STATE_SELECTED] = col2;

      style3 = gtk_style_copy (GTK_WIDGET (data)->style);
      style3->fg[GTK_STATE_NORMAL] = col1;
      style3->base[GTK_STATE_NORMAL] = col2;
      gdk_font_unref (style3->font);
      style3->font =
      gdk_font_load ("-*-courier-medium-*-*-*-*-120-*-*-*-*-*-*");
    }

  gtk_clist_set_cell_style (GTK_CLIST (data), row, 3, style1);
  gtk_clist_set_cell_style (GTK_CLIST (data), row, 4, style2);
  gtk_clist_set_cell_style (GTK_CLIST (data), row, 0, style3);

  clist_rows++;
}

static void
clist_warning_test (GtkWidget *button,
                GtkWidget *clist)
{
  GtkWidget *child;
  static gboolean add_remove = FALSE;

  add_remove = !add_remove;

  child = gtk_label_new ("Test");
  gtk_widget_ref (child);
  gtk_object_sink (GTK_OBJECT (child));

  if (add_remove)
    gtk_container_add (GTK_CONTAINER (clist), child);
  else
    {
      child->parent = clist;
      gtk_container_remove (GTK_CONTAINER (clist), child);
      child->parent = NULL;
    }

  gtk_widget_destroy (child);
  gtk_widget_unref (child);
}

static void
undo_selection (GtkWidget *button, GtkCList *clist)
{
  gtk_clist_undo_selection (clist);
}

static void 
clist_toggle_sel_mode (GtkWidget *widget, GtkCList *clist)
{
  gint i;

  if (!GTK_WIDGET_MAPPED (widget))
    return;

  RADIOMENUTOGGLED ((GtkRadioMenuItem *)
                (((GtkOptionMenu *)clist_omenu)->menu_item), i);

  gtk_clist_set_selection_mode (clist, (GtkSelectionMode) (3-i));
}

static void 
clist_click_column (GtkCList *clist, gint column, gpointer data)
{
  if (column == 4)
    gtk_clist_set_column_visibility (clist, column, FALSE);
  else if (column == clist->sort_column)
    {
      if (clist->sort_type == GTK_SORT_ASCENDING)
      clist->sort_type = GTK_SORT_DESCENDING;
      else
      clist->sort_type = GTK_SORT_ASCENDING;
    }
  else
    gtk_clist_set_sort_column (clist, column);

  gtk_clist_sort (clist);
}

static void
create_clist (void)
{
  gint i;
  static GtkWidget *window = NULL;

  static char *titles[] =
  {
    "auto resize", "not resizeable", "max width 100", "min width 50",
    "hide column", "Title 5", "Title 6", "Title 7",
    "Title 8",  "Title 9",  "Title 10", "Title 11"
  };

  static OptionMenuItem items[] =
  {
    { "Single",   clist_toggle_sel_mode },
    { "Browse",   clist_toggle_sel_mode },
    { "Multiple", clist_toggle_sel_mode },
    { "Extended", clist_toggle_sel_mode }
  };

  char text[TESTGTK_CLIST_COLUMNS][50];
  char *texts[TESTGTK_CLIST_COLUMNS];

  GtkWidget *vbox;
  GtkWidget *hbox;
  GtkWidget *clist;
  GtkWidget *button;
  GtkWidget *separator;
  GtkWidget *scrolled_win;
  GtkWidget *check;

  GtkWidget *undo_button;
  GtkWidget *label;

  GtkStyle *style;
  GdkColor col1;
  GdkColor col2;

  if (!window)
    {
      clist_rows = 0;
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC (gtk_widget_destroyed), &window);

      gtk_window_set_title (GTK_WINDOW (window), "clist");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      vbox = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), vbox);

      scrolled_win = gtk_scrolled_window_new (NULL, NULL);
      gtk_container_set_border_width (GTK_CONTAINER (scrolled_win), 5);
      gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
                              GTK_POLICY_AUTOMATIC, 
                              GTK_POLICY_AUTOMATIC);

      /* create GtkCList here so we have a pointer to throw at the 
       * button callbacks -- more is done with it later */
      clist = gtk_clist_new_with_titles (TESTGTK_CLIST_COLUMNS, titles);
      gtk_container_add (GTK_CONTAINER (scrolled_win), clist);
      gtk_signal_connect (GTK_OBJECT (clist), "click_column",
                    (GtkSignalFunc) clist_click_column, NULL);

      /* control buttons */
      hbox = gtk_hbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);

      button = gtk_button_new_with_label ("Insert Row");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                          (GtkSignalFunc) insert_row_clist, (gpointer) clist);

      button = gtk_button_new_with_label ("Add 1,000 Rows With Pixmaps");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                          (GtkSignalFunc) add1000_clist, (gpointer) clist);

      button = gtk_button_new_with_label ("Add 10,000 Rows");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                          (GtkSignalFunc) add10000_clist, (gpointer) clist);

      /* second layer of buttons */
      hbox = gtk_hbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);

      button = gtk_button_new_with_label ("Clear List");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                          (GtkSignalFunc) clear_clist, (gpointer) clist);

      button = gtk_button_new_with_label ("Remove Selection");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                          (GtkSignalFunc) clist_remove_selection,
                    (gpointer) clist);

      undo_button = gtk_button_new_with_label ("Undo Selection");
      gtk_box_pack_start (GTK_BOX (hbox), undo_button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (undo_button), "clicked",
                          (GtkSignalFunc) undo_selection, (gpointer) clist);

      button = gtk_button_new_with_label ("Warning Test");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                          (GtkSignalFunc) clist_warning_test,(gpointer) clist);

      /* third layer of buttons */
      hbox = gtk_hbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);

      check = gtk_check_button_new_with_label ("Show Title Buttons");
      gtk_box_pack_start (GTK_BOX (hbox), check, FALSE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (check), "clicked",
                    GTK_SIGNAL_FUNC (toggle_title_buttons), clist);
      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), TRUE);

      check = gtk_check_button_new_with_label ("Reorderable");
      gtk_box_pack_start (GTK_BOX (hbox), check, FALSE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (check), "clicked",
                    GTK_SIGNAL_FUNC (toggle_reorderable), clist);
      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), TRUE);

      label = gtk_label_new ("Selection Mode :");
      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);

      clist_omenu = build_option_menu (items, 4, 3, clist);
      gtk_box_pack_start (GTK_BOX (hbox), clist_omenu, FALSE, TRUE, 0);

      /* 
       * the rest of the clist configuration
       */

      gtk_box_pack_start (GTK_BOX (vbox), scrolled_win, TRUE, TRUE, 0);
      gtk_clist_set_row_height (GTK_CLIST (clist), 18);
      gtk_widget_set_usize (clist, -1, 300);

      for (i = 1; i < TESTGTK_CLIST_COLUMNS; i++)
      gtk_clist_set_column_width (GTK_CLIST (clist), i, 80);

      gtk_clist_set_column_auto_resize (GTK_CLIST (clist), 0, TRUE);
      gtk_clist_set_column_resizeable (GTK_CLIST (clist), 1, FALSE);
      gtk_clist_set_column_max_width (GTK_CLIST (clist), 2, 100);
      gtk_clist_set_column_min_width (GTK_CLIST (clist), 3, 50);
      gtk_clist_set_selection_mode (GTK_CLIST (clist), GTK_SELECTION_EXTENDED);
      gtk_clist_set_column_justification (GTK_CLIST (clist), 1,
                                GTK_JUSTIFY_RIGHT);
      gtk_clist_set_column_justification (GTK_CLIST (clist), 2,
                                GTK_JUSTIFY_CENTER);
      
      for (i = 0; i < TESTGTK_CLIST_COLUMNS; i++)
      {
        texts[i] = text[i];
        sprintf (text[i], "Column %d", i);
      }

      sprintf (text[1], "Right");
      sprintf (text[2], "Center");

      col1.red   = 56000;
      col1.green = 0;
      col1.blue  = 0;
      col2.red   = 0;
      col2.green = 56000;
      col2.blue  = 32000;

      style = gtk_style_new ();
      style->fg[GTK_STATE_NORMAL] = col1;
      style->base[GTK_STATE_NORMAL] = col2;
      
      gdk_font_unref (style->font);
      style->font =
      gdk_font_load ("-adobe-helvetica-bold-r-*-*-*-140-*-*-*-*-*-*");

      for (i = 0; i < 10; i++)
      {
        sprintf (text[0], "CListRow %d", clist_rows++);
        gtk_clist_append (GTK_CLIST (clist), texts);

        switch (i % 4)
          {
          case 2:
            gtk_clist_set_row_style (GTK_CLIST (clist), i, style);
            break;
          default:
            gtk_clist_set_cell_style (GTK_CLIST (clist), i, i % 4, style);
            break;
          }
      }

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (vbox), separator, FALSE, TRUE, 0);

      hbox = gtk_hbox_new (FALSE, 0);
      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("close");
      gtk_container_set_border_width (GTK_CONTAINER (button), 10);
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));

      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    {
      clist_rows = 0;
      gtk_widget_destroy (window);
    }
}

/*
 * GtkCTree
 */

GdkPixmap *pixmap1;
GdkPixmap *pixmap2;
GdkPixmap *pixmap3;
GdkBitmap *mask1;
GdkBitmap *mask2;
GdkBitmap *mask3;

static gint books = 0;
static gint pages = 0;

static GtkWidget *book_label;
static GtkWidget *page_label;
static GtkWidget *sel_label;
static GtkWidget *vis_label;
static GtkWidget *omenu1;
static GtkWidget *omenu2;
static GtkWidget *omenu3;
static GtkWidget *omenu4;
static GtkWidget *spin1;
static GtkWidget *spin2;
static GtkWidget *spin3;
static gint line_style;

void after_press (GtkCTree *ctree, gpointer data)
{
  char buf[80];

  sprintf (buf, "%d", g_list_length (GTK_CLIST (ctree)->selection));
  gtk_label_set_text (GTK_LABEL (sel_label), buf);

  sprintf (buf, "%d", g_list_length (GTK_CLIST (ctree)->row_list));
  gtk_label_set_text (GTK_LABEL (vis_label), buf);

  sprintf (buf, "%d", books);
  gtk_label_set_text (GTK_LABEL (book_label), buf);

  sprintf (buf, "%d", pages);
  gtk_label_set_text (GTK_LABEL (page_label), buf);
}

void after_move (GtkCTree *ctree, GtkCTreeNode *child, GtkCTreeNode *parent, 
             GtkCTreeNode *sibling, gpointer data)
{
  char *source;
  char *target1;
  char *target2;

  gtk_ctree_get_node_info (ctree, child, &source, 
                     NULL, NULL, NULL, NULL, NULL, NULL, NULL);
  if (parent)
    gtk_ctree_get_node_info (ctree, parent, &target1, 
                       NULL, NULL, NULL, NULL, NULL, NULL, NULL);
  if (sibling)
    gtk_ctree_get_node_info (ctree, sibling, &target2, 
                       NULL, NULL, NULL, NULL, NULL, NULL, NULL);

  g_print ("Moving \"%s\" to \"%s\" with sibling \"%s\".\n", source,
         (parent) ? target1 : "nil", (sibling) ? target2 : "nil");
}

void count_items (GtkCTree *ctree, GtkCTreeNode *list)
{
  if (GTK_CTREE_ROW (list)->is_leaf)
    pages--;
  else
    books--;
}

void expand_all (GtkWidget *widget, GtkCTree *ctree)
{
  gtk_ctree_expand_recursive (ctree, NULL);
  after_press (ctree, NULL);
}

void collapse_all (GtkWidget *widget, GtkCTree *ctree)
{
  gtk_ctree_collapse_recursive (ctree, NULL);
  after_press (ctree, NULL);
}

void select_all (GtkWidget *widget, GtkCTree *ctree)
{
  gtk_ctree_select_recursive (ctree, NULL);
  after_press (ctree, NULL);
}

void change_style (GtkWidget *widget, GtkCTree *ctree)
{
  static GtkStyle *style1 = NULL;
  static GtkStyle *style2 = NULL;

  GtkCTreeNode *node;
  GdkColor col1;
  GdkColor col2;

  if (GTK_CLIST (ctree)->focus_row >= 0)
    node = GTK_CTREE_NODE
      (g_list_nth (GTK_CLIST (ctree)->row_list,GTK_CLIST (ctree)->focus_row));
  else
    node = GTK_CTREE_NODE (GTK_CLIST (ctree)->row_list);

  if (!node)
    return;

  if (!style1)
    {
      col1.red   = 0;
      col1.green = 56000;
      col1.blue  = 0;
      col2.red   = 32000;
      col2.green = 0;
      col2.blue  = 56000;

      style1 = gtk_style_new ();
      style1->base[GTK_STATE_NORMAL] = col1;
      style1->fg[GTK_STATE_SELECTED] = col2;

      style2 = gtk_style_new ();
      style2->base[GTK_STATE_SELECTED] = col2;
      style2->fg[GTK_STATE_NORMAL] = col1;
      style2->base[GTK_STATE_NORMAL] = col2;
      gdk_font_unref (style2->font);
      style2->font =
      gdk_font_load ("-*-courier-medium-*-*-*-*-300-*-*-*-*-*-*");
    }

  gtk_ctree_node_set_cell_style (ctree, node, 1, style1);
  gtk_ctree_node_set_cell_style (ctree, node, 0, style2);

  if (GTK_CTREE_ROW (node)->children)
    gtk_ctree_node_set_row_style (ctree, GTK_CTREE_ROW (node)->children,
                          style2);
}

void unselect_all (GtkWidget *widget, GtkCTree *ctree)
{
  gtk_ctree_unselect_recursive (ctree, NULL);
  after_press (ctree, NULL);
}

void remove_selection (GtkWidget *widget, GtkCTree *ctree)
{
  GtkCList *clist;
  GtkCTreeNode *node;

  clist = GTK_CLIST (ctree);

  gtk_clist_freeze (clist);

  while (clist->selection)
    {
      node = clist->selection->data;

      if (GTK_CTREE_ROW (node)->is_leaf)
      pages--;
      else
      gtk_ctree_post_recursive (ctree, node,
                          (GtkCTreeFunc) count_items, NULL);

      gtk_ctree_remove_node (ctree, node);

      if (clist->selection_mode == GTK_SELECTION_BROWSE)
      break;
    }

  if (clist->selection_mode == GTK_SELECTION_EXTENDED && !clist->selection &&
      clist->focus_row >= 0)
    {
      node = gtk_ctree_node_nth (ctree, clist->focus_row);

      if (node)
      gtk_ctree_select (ctree, node);
    }
    
  gtk_clist_thaw (clist);
  after_press (ctree, NULL);
}

struct _ExportStruct {
  gchar *tree;
  gchar *info;
  gboolean is_leaf;
};

typedef struct _ExportStruct ExportStruct;

gboolean
gnode2ctree (GtkCTree   *ctree,
           guint       depth,
           GNode        *gnode,
           GtkCTreeNode *cnode,
           gpointer    data)
{
  ExportStruct *es;
  GdkPixmap *pixmap_closed;
  GdkBitmap *mask_closed;
  GdkPixmap *pixmap_opened;
  GdkBitmap *mask_opened;

  if (!cnode || !gnode || (!(es = gnode->data)))
    return FALSE;

  if (es->is_leaf)
    {
      pixmap_closed = pixmap3;
      mask_closed = mask3;
      pixmap_opened = NULL;
      mask_opened = NULL;
    }
  else
    {
      pixmap_closed = pixmap1;
      mask_closed = mask1;
      pixmap_opened = pixmap2;
      mask_opened = mask2;
    }

  gtk_ctree_set_node_info (ctree, cnode, es->tree, 2, pixmap_closed,
                     mask_closed, pixmap_opened, mask_opened,
                     es->is_leaf, (depth < 3));
  gtk_ctree_node_set_text (ctree, cnode, 1, es->info);
  g_free (es);
  gnode->data = NULL;

  return TRUE;
}

gboolean
ctree2gnode (GtkCTree   *ctree,
           guint       depth,
           GNode        *gnode,
           GtkCTreeNode *cnode,
           gpointer    data)
{
  ExportStruct *es;

  if (!cnode || !gnode)
    return FALSE;
  
  es = g_new (ExportStruct, 1);
  gnode->data = es;
  es->is_leaf = GTK_CTREE_ROW (cnode)->is_leaf;
  es->tree = GTK_CELL_PIXTEXT (GTK_CTREE_ROW (cnode)->row.cell[0])->text;
  es->info = GTK_CELL_PIXTEXT (GTK_CTREE_ROW (cnode)->row.cell[1])->text;
  return TRUE;
}

void export_ctree (GtkWidget *widget, GtkCTree *ctree)
{
  char *title[] = { "Tree" , "Info" };
  static GtkWidget *export_window = NULL;
  static GtkCTree *export_ctree;
  GtkWidget *vbox;
  GtkWidget *scrolled_win;
  GtkWidget *button;
  GtkWidget *sep;
  GNode *gnode;
  GtkCTreeNode *node;

  if (!export_window)
    {
      export_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  
      gtk_signal_connect (GTK_OBJECT (export_window), "destroy",
                    GTK_SIGNAL_FUNC (gtk_widget_destroyed),
                    &export_window);

      gtk_window_set_title (GTK_WINDOW (export_window), "exported ctree");
      gtk_container_set_border_width (GTK_CONTAINER (export_window), 5);

      vbox = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (export_window), vbox);
      
      button = gtk_button_new_with_label ("Close");
      gtk_box_pack_end (GTK_BOX (vbox), button, FALSE, TRUE, 0);

      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         (GtkSignalFunc) gtk_widget_destroy,
                         GTK_OBJECT(export_window));

      sep = gtk_hseparator_new ();
      gtk_box_pack_end (GTK_BOX (vbox), sep, FALSE, TRUE, 10);

      export_ctree = GTK_CTREE (gtk_ctree_new_with_titles (2, 0, title));
      gtk_ctree_set_line_style (export_ctree, GTK_CTREE_LINES_DOTTED);

      scrolled_win = gtk_scrolled_window_new (NULL, NULL);
      gtk_container_add (GTK_CONTAINER (scrolled_win),
                   GTK_WIDGET (export_ctree));
      gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
                              GTK_POLICY_AUTOMATIC,
                              GTK_POLICY_AUTOMATIC);
      gtk_box_pack_start (GTK_BOX (vbox), scrolled_win, TRUE, TRUE, 0);
      gtk_clist_set_selection_mode (GTK_CLIST (export_ctree),
                            GTK_SELECTION_EXTENDED);
      gtk_clist_set_column_width (GTK_CLIST (export_ctree), 0, 200);
      gtk_clist_set_column_width (GTK_CLIST (export_ctree), 1, 200);
      gtk_widget_set_usize (GTK_WIDGET (export_ctree), 300, 200);
    }

  if (!GTK_WIDGET_VISIBLE (export_window))
    gtk_widget_show_all (export_window);
      
  gtk_clist_clear (GTK_CLIST (export_ctree));

  node = GTK_CTREE_NODE (g_list_nth (GTK_CLIST (ctree)->row_list,
                             GTK_CLIST (ctree)->focus_row));
  if (!node)
    return;

  gnode = gtk_ctree_export_to_gnode (ctree, NULL, NULL, node,
                             ctree2gnode, NULL);
  if (gnode)
    {
      gtk_ctree_insert_gnode (export_ctree, NULL, NULL, gnode,
                        gnode2ctree, NULL);
      g_node_destroy (gnode);
    }
}

void change_indent (GtkWidget *widget, GtkCTree *ctree)
{
  gtk_ctree_set_indent (ctree, GTK_ADJUSTMENT (widget)->value);
}

void change_spacing (GtkWidget *widget, GtkCTree *ctree)
{
  gtk_ctree_set_spacing (ctree, GTK_ADJUSTMENT (widget)->value);
}

void change_row_height (GtkWidget *widget, GtkCList *clist)
{
  gtk_clist_set_row_height (clist, GTK_ADJUSTMENT (widget)->value);
}

void set_background (GtkCTree *ctree, GtkCTreeNode *node, gpointer data)
{
  GtkStyle *style = NULL;
  
  if (!node)
    return;
  
  if (ctree->line_style != GTK_CTREE_LINES_TABBED)
    {
      if (!GTK_CTREE_ROW (node)->is_leaf)
      style = GTK_CTREE_ROW (node)->row.data;
      else if (GTK_CTREE_ROW (node)->parent)
      style = GTK_CTREE_ROW (GTK_CTREE_ROW (node)->parent)->row.data;
    }

  gtk_ctree_node_set_row_style (ctree, node, style);
}

void ctree_toggle_line_style (GtkWidget *widget, GtkCTree *ctree)
{
  gint i;

  if (!GTK_WIDGET_MAPPED (widget))
    return;

  RADIOMENUTOGGLED ((GtkRadioMenuItem *)
                (((GtkOptionMenu *)omenu1)->menu_item), i);
  
  if ((ctree->line_style == GTK_CTREE_LINES_TABBED && 
       ((GtkCTreeLineStyle) (3 - i)) != GTK_CTREE_LINES_TABBED) ||
      (ctree->line_style != GTK_CTREE_LINES_TABBED && 
       ((GtkCTreeLineStyle) (3 - i)) == GTK_CTREE_LINES_TABBED))
    gtk_ctree_pre_recursive (ctree, NULL, set_background, NULL);
  gtk_ctree_set_line_style (ctree, 3 - i);
  line_style = 3 - i;
}

void ctree_toggle_expander_style (GtkWidget *widget, GtkCTree *ctree)
{
  gint i;

  if (!GTK_WIDGET_MAPPED (widget))
    return;

  RADIOMENUTOGGLED ((GtkRadioMenuItem *)
                (((GtkOptionMenu *)omenu2)->menu_item), i);
  
  gtk_ctree_set_expander_style (ctree, (GtkCTreeExpanderStyle) (3 - i));
}

void ctree_toggle_justify (GtkWidget *widget, GtkCTree *ctree)
{
  gint i;

  if (!GTK_WIDGET_MAPPED (widget))
    return;

  RADIOMENUTOGGLED ((GtkRadioMenuItem *)
                (((GtkOptionMenu *)omenu3)->menu_item), i);

  gtk_clist_set_column_justification (GTK_CLIST (ctree), ctree->tree_column, 
                              (GtkJustification) (1 - i));
}

void ctree_toggle_sel_mode (GtkWidget *widget, GtkCTree *ctree)
{
  gint i;

  if (!GTK_WIDGET_MAPPED (widget))
    return;

  RADIOMENUTOGGLED ((GtkRadioMenuItem *)
                (((GtkOptionMenu *)omenu4)->menu_item), i);

  gtk_clist_set_selection_mode (GTK_CLIST (ctree), (GtkSelectionMode) (3 - i));
  after_press (ctree, NULL);
}
    
void build_recursive (GtkCTree *ctree, gint cur_depth, gint depth, 
                  gint num_books, gint num_pages, GtkCTreeNode *parent)
{
  gchar *text[2];
  gchar buf1[60];
  gchar buf2[60];
  GtkCTreeNode *sibling;
  gint i;

  text[0] = buf1;
  text[1] = buf2;
  sibling = NULL;

  for (i = num_pages + num_books; i > num_books; i--)
    {
      pages++;
      sprintf (buf1, "Page %02d", (gint) rand() % 100);
      sprintf (buf2, "Item %d-%d", cur_depth, i);
      sibling = gtk_ctree_insert_node (ctree, parent, sibling, text, 5,
                               pixmap3, mask3, NULL, NULL,
                               TRUE, FALSE);

      if (parent && ctree->line_style == GTK_CTREE_LINES_TABBED)
      gtk_ctree_node_set_row_style (ctree, sibling,
                              GTK_CTREE_ROW (parent)->row.style);
    }

  if (cur_depth == depth)
    return;

  for (i = num_books; i > 0; i--)
    {
      GtkStyle *style;

      books++;
      sprintf (buf1, "Book %02d", (gint) rand() % 100);
      sprintf (buf2, "Item %d-%d", cur_depth, i);
      sibling = gtk_ctree_insert_node (ctree, parent, sibling, text, 5,
                               pixmap1, mask1, pixmap2, mask2,
                               FALSE, FALSE);

      style = gtk_style_new ();
      switch (cur_depth % 3)
      {
      case 0:
        style->base[GTK_STATE_NORMAL].red   = 10000 * (cur_depth % 6);
        style->base[GTK_STATE_NORMAL].green = 0;
        style->base[GTK_STATE_NORMAL].blue  = 65535 - ((i * 10000) % 65535);
        break;
      case 1:
        style->base[GTK_STATE_NORMAL].red   = 10000 * (cur_depth % 6);
        style->base[GTK_STATE_NORMAL].green = 65535 - ((i * 10000) % 65535);
        style->base[GTK_STATE_NORMAL].blue  = 0;
        break;
      default:
        style->base[GTK_STATE_NORMAL].red   = 65535 - ((i * 10000) % 65535);
        style->base[GTK_STATE_NORMAL].green = 0;
        style->base[GTK_STATE_NORMAL].blue  = 10000 * (cur_depth % 6);
        break;
      }
      gtk_ctree_node_set_row_data_full (ctree, sibling, style,
                              (GtkDestroyNotify) gtk_style_unref);

      if (ctree->line_style == GTK_CTREE_LINES_TABBED)
      gtk_ctree_node_set_row_style (ctree, sibling, style);

      build_recursive (ctree, cur_depth + 1, depth, num_books, num_pages,
                   sibling);
    }
}

void rebuild_tree (GtkWidget *widget, GtkCTree *ctree)
{
  gchar *text [2];
  gchar label1[] = "Root";
  gchar label2[] = "";
  GtkCTreeNode *parent;
  GtkStyle *style;
  guint b, d, p, n;

  text[0] = label1;
  text[1] = label2;
  
  d = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (spin1)); 
  b = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (spin2));
  p = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (spin3));

  n = ((pow (b, d) - 1) / (b - 1)) * (p + 1);

  if (n > 100000)
    {
      g_print ("%d total items? Try less\n",n);
      return;
    }

  gtk_clist_freeze (GTK_CLIST (ctree));
  gtk_clist_clear (GTK_CLIST (ctree));

  books = 1;
  pages = 0;

  parent = gtk_ctree_insert_node (ctree, NULL, NULL, text, 5, pixmap1,
                          mask1, pixmap2, mask2, FALSE, TRUE);

  style = gtk_style_new ();
  style->base[GTK_STATE_NORMAL].red   = 0;
  style->base[GTK_STATE_NORMAL].green = 45000;
  style->base[GTK_STATE_NORMAL].blue  = 55000;
  gtk_ctree_node_set_row_data_full (ctree, parent, style,
                            (GtkDestroyNotify) gtk_style_unref);

  if (ctree->line_style == GTK_CTREE_LINES_TABBED)
    gtk_ctree_node_set_row_style (ctree, parent, style);

  build_recursive (ctree, 1, d, b, p, parent);
  gtk_clist_thaw (GTK_CLIST (ctree));
  after_press (ctree, NULL);
}

static void 
ctree_click_column (GtkCTree *ctree, gint column, gpointer data)
{
  GtkCList *clist;

  clist = GTK_CLIST (ctree);

  if (column == clist->sort_column)
    {
      if (clist->sort_type == GTK_SORT_ASCENDING)
      clist->sort_type = GTK_SORT_DESCENDING;
      else
      clist->sort_type = GTK_SORT_ASCENDING;
    }
  else
    gtk_clist_set_sort_column (clist, column);

  gtk_ctree_sort_recursive (ctree, NULL);
}

void create_ctree (void)
{
  static GtkWidget *window = NULL;
  GtkTooltips *tooltips;
  GtkCTree *ctree;
  GtkWidget *scrolled_win;
  GtkWidget *vbox;
  GtkWidget *bbox;
  GtkWidget *mbox;
  GtkWidget *hbox;
  GtkWidget *hbox2;
  GtkWidget *frame;
  GtkWidget *label;
  GtkWidget *button;
  GtkWidget *check;
  GtkAdjustment *adj;
  GtkWidget *spinner;
  GdkColor transparent = { 0 };

  char *title[] = { "Tree" , "Info" };
  char buf[80];

  static OptionMenuItem items1[] =
  {
    { "No lines", ctree_toggle_line_style },
    { "Solid",    ctree_toggle_line_style },
    { "Dotted",   ctree_toggle_line_style },
    { "Tabbed",   ctree_toggle_line_style }
  };

  static OptionMenuItem items2[] =
  {
    { "None",     ctree_toggle_expander_style },
    { "Square",   ctree_toggle_expander_style },
    { "Triangle", ctree_toggle_expander_style },
    { "Circular", ctree_toggle_expander_style }
  };

  static OptionMenuItem items3[] =
  {
    { "Left",  ctree_toggle_justify },
    { "Right", ctree_toggle_justify }
  };

  static OptionMenuItem items4[] =
  {
    { "Single",   ctree_toggle_sel_mode },
    { "Browse",   ctree_toggle_sel_mode },
    { "Multiple", ctree_toggle_sel_mode },
    { "Extended", ctree_toggle_sel_mode }
  };

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC (gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "GtkCTree");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      tooltips = gtk_tooltips_new ();
      gtk_object_ref (GTK_OBJECT (tooltips));
      gtk_object_sink (GTK_OBJECT (tooltips));

      gtk_object_set_data_full (GTK_OBJECT (window), "tooltips", tooltips,
                        (GtkDestroyNotify) gtk_object_unref);

      vbox = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), vbox);

      hbox = gtk_hbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
      
      label = gtk_label_new ("Depth :");
      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
      
      adj = (GtkAdjustment *) gtk_adjustment_new (4, 1, 10, 1, 5, 0);
      spin1 = gtk_spin_button_new (adj, 0, 0);
      gtk_box_pack_start (GTK_BOX (hbox), spin1, FALSE, TRUE, 5);
  
      label = gtk_label_new ("Books :");
      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
      
      adj = (GtkAdjustment *) gtk_adjustment_new (3, 1, 20, 1, 5, 0);
      spin2 = gtk_spin_button_new (adj, 0, 0);
      gtk_box_pack_start (GTK_BOX (hbox), spin2, FALSE, TRUE, 5);

      label = gtk_label_new ("Pages :");
      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
      
      adj = (GtkAdjustment *) gtk_adjustment_new (5, 1, 20, 1, 5, 0);
      spin3 = gtk_spin_button_new (adj, 0, 0);
      gtk_box_pack_start (GTK_BOX (hbox), spin3, FALSE, TRUE, 5);

      button = gtk_button_new_with_label ("Close");
      gtk_box_pack_end (GTK_BOX (hbox), button, TRUE, TRUE, 0);

      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         (GtkSignalFunc) gtk_widget_destroy,
                         GTK_OBJECT(window));

      button = gtk_button_new_with_label ("Rebuild Tree");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);

      scrolled_win = gtk_scrolled_window_new (NULL, NULL);
      gtk_container_set_border_width (GTK_CONTAINER (scrolled_win), 5);
      gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
                              GTK_POLICY_AUTOMATIC,
                              GTK_POLICY_ALWAYS);
      gtk_box_pack_start (GTK_BOX (vbox), scrolled_win, TRUE, TRUE, 0);

      ctree = GTK_CTREE (gtk_ctree_new_with_titles (2, 0, title));
      gtk_container_add (GTK_CONTAINER (scrolled_win), GTK_WIDGET (ctree));

      gtk_clist_set_column_auto_resize (GTK_CLIST (ctree), 0, TRUE);
      gtk_clist_set_column_width (GTK_CLIST (ctree), 1, 200);
      gtk_clist_set_selection_mode (GTK_CLIST (ctree), GTK_SELECTION_EXTENDED);
      gtk_ctree_set_line_style (ctree, GTK_CTREE_LINES_DOTTED);
      line_style = GTK_CTREE_LINES_DOTTED;

      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (rebuild_tree), ctree);
      gtk_signal_connect (GTK_OBJECT (ctree), "click_column",
                    (GtkSignalFunc) ctree_click_column, NULL);

      gtk_signal_connect_after (GTK_OBJECT (ctree), "button_press_event",
                        GTK_SIGNAL_FUNC (after_press), NULL);
      gtk_signal_connect_after (GTK_OBJECT (ctree), "button_release_event",
                        GTK_SIGNAL_FUNC (after_press), NULL);
      gtk_signal_connect_after (GTK_OBJECT (ctree), "tree_move",
                        GTK_SIGNAL_FUNC (after_move), NULL);
      gtk_signal_connect_after (GTK_OBJECT (ctree), "end_selection",
                        GTK_SIGNAL_FUNC (after_press), NULL);
      gtk_signal_connect_after (GTK_OBJECT (ctree), "toggle_focus_row",
                        GTK_SIGNAL_FUNC (after_press), NULL);
      gtk_signal_connect_after (GTK_OBJECT (ctree), "select_all",
                        GTK_SIGNAL_FUNC (after_press), NULL);
      gtk_signal_connect_after (GTK_OBJECT (ctree), "unselect_all",
                        GTK_SIGNAL_FUNC (after_press), NULL);
      gtk_signal_connect_after (GTK_OBJECT (ctree), "scroll_vertical",
                        GTK_SIGNAL_FUNC (after_press), NULL);

      bbox = gtk_hbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (bbox), 5);
      gtk_box_pack_start (GTK_BOX (vbox), bbox, FALSE, TRUE, 0);

      mbox = gtk_vbox_new (TRUE, 5);
      gtk_box_pack_start (GTK_BOX (bbox), mbox, FALSE, TRUE, 0);

      label = gtk_label_new ("Row Height :");
      gtk_box_pack_start (GTK_BOX (mbox), label, FALSE, FALSE, 0);

      label = gtk_label_new ("Indent :");
      gtk_box_pack_start (GTK_BOX (mbox), label, FALSE, FALSE, 0);

      label = gtk_label_new ("Spacing :");
      gtk_box_pack_start (GTK_BOX (mbox), label, FALSE, FALSE, 0);

      mbox = gtk_vbox_new (TRUE, 5);
      gtk_box_pack_start (GTK_BOX (bbox), mbox, FALSE, TRUE, 0);

      adj = (GtkAdjustment *) gtk_adjustment_new (20, 12, 100, 1, 10, 0);
      spinner = gtk_spin_button_new (adj, 0, 0);
      gtk_box_pack_start (GTK_BOX (mbox), spinner, FALSE, FALSE, 5);
      gtk_tooltips_set_tip (tooltips, spinner,
                      "Row height of list items", NULL);
      gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
                    GTK_SIGNAL_FUNC (change_row_height), ctree);
      gtk_clist_set_row_height ( GTK_CLIST (ctree), adj->value);

      adj = (GtkAdjustment *) gtk_adjustment_new (20, 0, 60, 1, 10, 0);
      spinner = gtk_spin_button_new (adj, 0, 0);
      gtk_box_pack_start (GTK_BOX (mbox), spinner, FALSE, FALSE, 5);
      gtk_tooltips_set_tip (tooltips, spinner, "Tree Indentation.", NULL);
      gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
                    GTK_SIGNAL_FUNC (change_indent), ctree);

      adj = (GtkAdjustment *) gtk_adjustment_new (5, 0, 60, 1, 10, 0);
      spinner = gtk_spin_button_new (adj, 0, 0);
      gtk_box_pack_start (GTK_BOX (mbox), spinner, FALSE, FALSE, 5);
      gtk_tooltips_set_tip (tooltips, spinner, "Tree Spacing.", NULL);
      gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
                    GTK_SIGNAL_FUNC (change_spacing), ctree);

      mbox = gtk_vbox_new (TRUE, 5);
      gtk_box_pack_start (GTK_BOX (bbox), mbox, FALSE, TRUE, 0);

      hbox = gtk_hbox_new (FALSE, 5);
      gtk_box_pack_start (GTK_BOX (mbox), hbox, FALSE, FALSE, 0);

      button = gtk_button_new_with_label ("Expand All");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (expand_all), ctree);

      button = gtk_button_new_with_label ("Collapse All");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (collapse_all), ctree);

      button = gtk_button_new_with_label ("Change Style");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (change_style), ctree);

      button = gtk_button_new_with_label ("Export Tree");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (export_ctree), ctree);

      hbox = gtk_hbox_new (FALSE, 5);
      gtk_box_pack_start (GTK_BOX (mbox), hbox, FALSE, FALSE, 0);

      button = gtk_button_new_with_label ("Select All");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (select_all), ctree);

      button = gtk_button_new_with_label ("Unselect All");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (unselect_all), ctree);

      button = gtk_button_new_with_label ("Remove Selection");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (remove_selection), ctree);

      check = gtk_check_button_new_with_label ("Reorderable");
      gtk_box_pack_start (GTK_BOX (hbox), check, FALSE, TRUE, 0);
      gtk_tooltips_set_tip (tooltips, check,
                      "Tree items can be reordered by dragging.", NULL);
      gtk_signal_connect (GTK_OBJECT (check), "clicked",
                    GTK_SIGNAL_FUNC (toggle_reorderable), ctree);
      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), TRUE);

      hbox = gtk_hbox_new (TRUE, 5);
      gtk_box_pack_start (GTK_BOX (mbox), hbox, FALSE, FALSE, 0);

      omenu1 = build_option_menu (items1, 4, 2, ctree);
      gtk_box_pack_start (GTK_BOX (hbox), omenu1, FALSE, TRUE, 0);
      gtk_tooltips_set_tip (tooltips, omenu1, "The tree's line style.", NULL);

      omenu2 = build_option_menu (items2, 4, 1, ctree);
      gtk_box_pack_start (GTK_BOX (hbox), omenu2, FALSE, TRUE, 0);
      gtk_tooltips_set_tip (tooltips, omenu2, "The tree's expander style.",
                      NULL);

      omenu3 = build_option_menu (items3, 2, 0, ctree);
      gtk_box_pack_start (GTK_BOX (hbox), omenu3, FALSE, TRUE, 0);
      gtk_tooltips_set_tip (tooltips, omenu3, "The tree's justification.",
                      NULL);

      omenu4 = build_option_menu (items4, 4, 3, ctree);
      gtk_box_pack_start (GTK_BOX (hbox), omenu4, FALSE, TRUE, 0);
      gtk_tooltips_set_tip (tooltips, omenu4, "The list's selection mode.",
                      NULL);

      gtk_widget_realize (window);

      pixmap1 = gdk_pixmap_create_from_xpm_d (window->window, &mask1, 
                                    &transparent, book_closed_xpm);
      pixmap2 = gdk_pixmap_create_from_xpm_d (window->window, &mask2, 
                                    &transparent, book_open_xpm);
      pixmap3 = gdk_pixmap_create_from_xpm_d (window->window, &mask3,
                                    &transparent, mini_page_xpm);

      gtk_widget_set_usize (GTK_WIDGET (ctree), 0, 300);

      frame = gtk_frame_new (NULL);
      gtk_container_set_border_width (GTK_CONTAINER (frame), 0);
      gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
      gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, TRUE, 0);

      hbox = gtk_hbox_new (TRUE, 2);
      gtk_container_set_border_width (GTK_CONTAINER (hbox), 2);
      gtk_container_add (GTK_CONTAINER (frame), hbox);

      frame = gtk_frame_new (NULL);
      gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
      gtk_box_pack_start (GTK_BOX (hbox), frame, FALSE, TRUE, 0);

      hbox2 = gtk_hbox_new (FALSE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (hbox2), 2);
      gtk_container_add (GTK_CONTAINER (frame), hbox2);

      label = gtk_label_new ("Books :");
      gtk_box_pack_start (GTK_BOX (hbox2), label, FALSE, TRUE, 0);

      sprintf (buf, "%d", books);
      book_label = gtk_label_new (buf);
      gtk_box_pack_end (GTK_BOX (hbox2), book_label, FALSE, TRUE, 5);

      frame = gtk_frame_new (NULL);
      gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
      gtk_box_pack_start (GTK_BOX (hbox), frame, FALSE, TRUE, 0);

      hbox2 = gtk_hbox_new (FALSE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (hbox2), 2);
      gtk_container_add (GTK_CONTAINER (frame), hbox2);

      label = gtk_label_new ("Pages :");
      gtk_box_pack_start (GTK_BOX (hbox2), label, FALSE, TRUE, 0);

      sprintf (buf, "%d", pages);
      page_label = gtk_label_new (buf);
      gtk_box_pack_end (GTK_BOX (hbox2), page_label, FALSE, TRUE, 5);

      frame = gtk_frame_new (NULL);
      gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
      gtk_box_pack_start (GTK_BOX (hbox), frame, FALSE, TRUE, 0);

      hbox2 = gtk_hbox_new (FALSE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (hbox2), 2);
      gtk_container_add (GTK_CONTAINER (frame), hbox2);

      label = gtk_label_new ("Selected :");
      gtk_box_pack_start (GTK_BOX (hbox2), label, FALSE, TRUE, 0);

      sprintf (buf, "%d", g_list_length (GTK_CLIST (ctree)->selection));
      sel_label = gtk_label_new (buf);
      gtk_box_pack_end (GTK_BOX (hbox2), sel_label, FALSE, TRUE, 5);

      frame = gtk_frame_new (NULL);
      gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
      gtk_box_pack_start (GTK_BOX (hbox), frame, FALSE, TRUE, 0);

      hbox2 = gtk_hbox_new (FALSE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (hbox2), 2);
      gtk_container_add (GTK_CONTAINER (frame), hbox2);

      label = gtk_label_new ("Visible :");
      gtk_box_pack_start (GTK_BOX (hbox2), label, FALSE, TRUE, 0);

      sprintf (buf, "%d", g_list_length (GTK_CLIST (ctree)->row_list));
      vis_label = gtk_label_new (buf);
      gtk_box_pack_end (GTK_BOX (hbox2), vis_label, FALSE, TRUE, 5);

      rebuild_tree (NULL, ctree);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkColorSelection
 */

void
color_selection_ok (GtkWidget               *w,
                    GtkColorSelectionDialog *cs)
{
  GtkColorSelection *colorsel;
  gdouble color[4];

  colorsel=GTK_COLOR_SELECTION(cs->colorsel);

  gtk_color_selection_get_color(colorsel,color);
  gtk_color_selection_set_color(colorsel,color);
}

void
color_selection_changed (GtkWidget *w,
                         GtkColorSelectionDialog *cs)
{
  GtkColorSelection *colorsel;
  gdouble color[4];

  colorsel=GTK_COLOR_SELECTION(cs->colorsel);
  gtk_color_selection_get_color(colorsel,color);
}

void
create_color_selection (void)
{
  static GtkWidget *window = NULL;

  if (!window)
    {
      window = gtk_color_selection_dialog_new ("color selection dialog");

      gtk_color_selection_set_opacity (
        GTK_COLOR_SELECTION (GTK_COLOR_SELECTION_DIALOG (window)->colorsel),
      TRUE);

      gtk_color_selection_set_update_policy(
        GTK_COLOR_SELECTION (GTK_COLOR_SELECTION_DIALOG (window)->colorsel),
      GTK_UPDATE_CONTINUOUS);

      gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_MOUSE);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                          GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                          &window);

      gtk_signal_connect (
      GTK_OBJECT (GTK_COLOR_SELECTION_DIALOG (window)->colorsel),
      "color_changed",
      GTK_SIGNAL_FUNC(color_selection_changed),
      window);

      gtk_signal_connect (
      GTK_OBJECT (GTK_COLOR_SELECTION_DIALOG (window)->ok_button),
      "clicked",
      GTK_SIGNAL_FUNC(color_selection_ok),
      window);

      gtk_signal_connect_object (
        GTK_OBJECT (GTK_COLOR_SELECTION_DIALOG (window)->cancel_button),
      "clicked",
      GTK_SIGNAL_FUNC(gtk_widget_destroy),
      GTK_OBJECT (window));
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkFileSelection
 */

void
file_selection_hide_fileops (GtkWidget *widget,
                       GtkFileSelection *fs)
{
  gtk_file_selection_hide_fileop_buttons (fs);
}

void
file_selection_ok (GtkWidget        *w,
               GtkFileSelection *fs)
{
  g_print ("%s\n", gtk_file_selection_get_filename (fs));
  gtk_widget_destroy (GTK_WIDGET (fs));
}

void
create_file_selection (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *button;

  if (!window)
    {
      window = gtk_file_selection_new ("file selection dialog");

      gtk_file_selection_hide_fileop_buttons (GTK_FILE_SELECTION (window));

      gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_MOUSE);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION (window)->ok_button),
                    "clicked", GTK_SIGNAL_FUNC(file_selection_ok),
                    window);
      gtk_signal_connect_object (GTK_OBJECT (GTK_FILE_SELECTION (window)->cancel_button),
                         "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      
      button = gtk_button_new_with_label ("Hide Fileops");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    (GtkSignalFunc) file_selection_hide_fileops, 
                    (gpointer) window);
      gtk_box_pack_start (GTK_BOX (GTK_FILE_SELECTION (window)->action_area), 
                    button, FALSE, FALSE, 0);
      gtk_widget_show (button);

      button = gtk_button_new_with_label ("Show Fileops");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         (GtkSignalFunc) gtk_file_selection_show_fileop_buttons, 
                         (gpointer) window);
      gtk_box_pack_start (GTK_BOX (GTK_FILE_SELECTION (window)->action_area), 
                    button, FALSE, FALSE, 0);
      gtk_widget_show (button);
    }
  
  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkFontSelection
 */

void
font_selection_ok (GtkWidget              *w,
               GtkFontSelectionDialog *fs)
{
  gchar *s = gtk_font_selection_dialog_get_font_name (fs);

  g_print ("%s\n", s);
  g_free (s);
  gtk_widget_destroy (GTK_WIDGET (fs));
}

void
create_font_selection (void)
{
  static GtkWidget *window = NULL;

  if (!window)
    {
      window = gtk_font_selection_dialog_new ("Font Selection Dialog");

      gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_MOUSE);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_signal_connect (GTK_OBJECT (GTK_FONT_SELECTION_DIALOG (window)->ok_button),
                    "clicked", GTK_SIGNAL_FUNC(font_selection_ok),
                    GTK_FONT_SELECTION_DIALOG (window));
      gtk_signal_connect_object (GTK_OBJECT (GTK_FONT_SELECTION_DIALOG (window)->cancel_button),
                         "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
    }
  
  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkDialog
 */

static GtkWidget *dialog_window = NULL;

static void
label_toggle (GtkWidget  *widget,
            GtkWidget **label)
{
  if (!(*label))
    {
      *label = gtk_label_new ("Dialog Test");
      gtk_signal_connect (GTK_OBJECT (*label),
                    "destroy",
                    GTK_SIGNAL_FUNC (gtk_widget_destroyed),
                    label);
      gtk_misc_set_padding (GTK_MISC (*label), 10, 10);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog_window)->vbox), 
                    *label, TRUE, TRUE, 0);
      gtk_widget_show (*label);
    }
  else
    gtk_widget_destroy (*label);
}

static void
create_dialog (void)
{
  static GtkWidget *label;
  GtkWidget *button;

  if (!dialog_window)
    {
      dialog_window = gtk_dialog_new ();

      gtk_signal_connect (GTK_OBJECT (dialog_window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &dialog_window);

      gtk_window_set_title (GTK_WINDOW (dialog_window), "GtkDialog");
      gtk_container_set_border_width (GTK_CONTAINER (dialog_window), 0);
      gtk_widget_set_usize (dialog_window, 200, 110);

      button = gtk_button_new_with_label ("OK");
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog_window)->action_area), 
                    button, TRUE, TRUE, 0);
      gtk_widget_grab_default (button);
      gtk_widget_show (button);

      button = gtk_button_new_with_label ("Toggle");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (label_toggle),
                    &label);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog_window)->action_area),
                    button, TRUE, TRUE, 0);
      gtk_widget_show (button);

      label = NULL;
    }

  if (!GTK_WIDGET_VISIBLE (dialog_window))
    gtk_widget_show (dialog_window);
  else
    gtk_widget_destroy (dialog_window);
}

/* Event Watcher
 */
static gboolean event_watcher_enter_id = 0;
static gboolean event_watcher_leave_id = 0;

static gboolean
event_watcher (GtkObject      *object,
             guint           signal_id,
             guint           n_params,
             GtkArg         *params,
             gpointer        data)
{
  g_print ("Watch: \"%s\" emitted for %s\n",
         gtk_signal_name (signal_id),
         gtk_type_name (GTK_OBJECT_TYPE (object)));

  return TRUE;
}

static void
event_watcher_down (void)
{
  if (event_watcher_enter_id)
    {
      guint signal_id;

      signal_id = gtk_signal_lookup ("enter_notify_event", GTK_TYPE_WIDGET);
      gtk_signal_remove_emission_hook (signal_id, event_watcher_enter_id);
      event_watcher_enter_id = 0;
      signal_id = gtk_signal_lookup ("leave_notify_event", GTK_TYPE_WIDGET);
      gtk_signal_remove_emission_hook (signal_id, event_watcher_leave_id);
      event_watcher_leave_id = 0;
    }
}

static void
event_watcher_toggle (void)
{
  if (event_watcher_enter_id)
    event_watcher_down ();
  else
    {
      guint signal_id;

      signal_id = gtk_signal_lookup ("enter_notify_event", GTK_TYPE_WIDGET);
      event_watcher_enter_id = gtk_signal_add_emission_hook (signal_id, event_watcher, NULL);
      signal_id = gtk_signal_lookup ("leave_notify_event", GTK_TYPE_WIDGET);
      event_watcher_leave_id = gtk_signal_add_emission_hook (signal_id, event_watcher, NULL);
    }
}

static void
create_event_watcher (void)
{
  GtkWidget *button;

  if (!dialog_window)
    {
      dialog_window = gtk_dialog_new ();

      gtk_signal_connect (GTK_OBJECT (dialog_window), "destroy",
                    GTK_SIGNAL_FUNC (gtk_widget_destroyed),
                    &dialog_window);
      gtk_signal_connect (GTK_OBJECT (dialog_window),
                    "destroy",
                    GTK_SIGNAL_FUNC (event_watcher_down),
                    NULL);

      gtk_window_set_title (GTK_WINDOW (dialog_window), "Event Watcher");
      gtk_container_set_border_width (GTK_CONTAINER (dialog_window), 0);
      gtk_widget_set_usize (dialog_window, 200, 110);

      button = gtk_toggle_button_new_with_label ("Activate Watch");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (event_watcher_toggle),
                    NULL);
      gtk_container_set_border_width (GTK_CONTAINER (button), 10);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog_window)->vbox), 
                    button, TRUE, TRUE, 0);
      gtk_widget_show (button);

      button = gtk_button_new_with_label ("Close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC (gtk_widget_destroy),
                         (GtkObject*) dialog_window);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog_window)->action_area),
                    button, TRUE, TRUE, 0);
      gtk_widget_grab_default (button);
      gtk_widget_show (button);
    }

  if (!GTK_WIDGET_VISIBLE (dialog_window))
    gtk_widget_show (dialog_window);
  else
    gtk_widget_destroy (dialog_window);
}

/*
 * GtkRange
 */

static void
create_range_controls (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *button;
  GtkWidget *scrollbar;
  GtkWidget *scale;
  GtkWidget *separator;
  GtkObject *adjustment;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "range controls");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);


      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);
      gtk_widget_show (box1);


      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);
      gtk_widget_show (box2);


      adjustment = gtk_adjustment_new (0.0, 0.0, 101.0, 0.1, 1.0, 1.0);

      scale = gtk_hscale_new (GTK_ADJUSTMENT (adjustment));
      gtk_widget_set_usize (GTK_WIDGET (scale), 150, 30);
      gtk_range_set_update_policy (GTK_RANGE (scale), GTK_UPDATE_DELAYED);
      gtk_scale_set_digits (GTK_SCALE (scale), 1);
      gtk_scale_set_draw_value (GTK_SCALE (scale), TRUE);
      gtk_box_pack_start (GTK_BOX (box2), scale, TRUE, TRUE, 0);
      gtk_widget_show (scale);

      scrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (adjustment));
      gtk_range_set_update_policy (GTK_RANGE (scrollbar), 
                           GTK_UPDATE_CONTINUOUS);
      gtk_box_pack_start (GTK_BOX (box2), scrollbar, TRUE, TRUE, 0);
      gtk_widget_show (scrollbar);


      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
      gtk_widget_show (separator);


      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
      gtk_widget_show (box2);


      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
      gtk_widget_show (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkRulers
 */

void
create_rulers (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *table;
  GtkWidget *ruler;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      gtk_window_set_policy (GTK_WINDOW (window), TRUE, TRUE, FALSE);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "rulers");
      gtk_widget_set_usize (window, 300, 300);
      gtk_widget_set_events (window, 
                       GDK_POINTER_MOTION_MASK 
                       | GDK_POINTER_MOTION_HINT_MASK);
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      table = gtk_table_new (2, 2, FALSE);
      gtk_container_add (GTK_CONTAINER (window), table);
      gtk_widget_show (table);

      ruler = gtk_hruler_new ();
      gtk_ruler_set_metric (GTK_RULER (ruler), GTK_CENTIMETERS);
      gtk_ruler_set_range (GTK_RULER (ruler), 100, 0, 0, 20);

      gtk_signal_connect_object (
        GTK_OBJECT (window), 
      "motion_notify_event",
      GTK_SIGNAL_FUNC(
          GTK_WIDGET_CLASS (GTK_OBJECT (ruler)->klass)->motion_notify_event),
      GTK_OBJECT (ruler));

      gtk_table_attach (GTK_TABLE (table), ruler, 1, 2, 0, 1,
                  GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);
      gtk_widget_show (ruler);


      ruler = gtk_vruler_new ();
      gtk_ruler_set_range (GTK_RULER (ruler), 5, 15, 0, 20);

      gtk_signal_connect_object (
        GTK_OBJECT (window), 
      "motion_notify_event",
      GTK_SIGNAL_FUNC (GTK_WIDGET_CLASS (GTK_OBJECT (ruler)->klass)->motion_notify_event),
      GTK_OBJECT (ruler));

      gtk_table_attach (GTK_TABLE (table), ruler, 0, 1, 1, 2,
                  GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
      gtk_widget_show (ruler);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

static void
text_toggle_editable (GtkWidget *checkbutton,
                   GtkWidget *text)
{
   gtk_text_set_editable(GTK_TEXT(text),
                    GTK_TOGGLE_BUTTON(checkbutton)->active);
}

static void
text_toggle_word_wrap (GtkWidget *checkbutton,
                   GtkWidget *text)
{
   gtk_text_set_word_wrap(GTK_TEXT(text),
                    GTK_TOGGLE_BUTTON(checkbutton)->active);
}

struct {
  GdkColor color;
  gchar *name;
} text_colors[] = {
 { { 0, 0x0000, 0x0000, 0x0000 }, "black" },
 { { 0, 0xFFFF, 0xFFFF, 0xFFFF }, "white" },
 { { 0, 0xFFFF, 0x0000, 0x0000 }, "red" },
 { { 0, 0x0000, 0xFFFF, 0x0000 }, "green" },
 { { 0, 0x0000, 0x0000, 0xFFFF }, "blue" }, 
 { { 0, 0x0000, 0xFFFF, 0xFFFF }, "cyan" },
 { { 0, 0xFFFF, 0x0000, 0xFFFF }, "magenta" },
 { { 0, 0xFFFF, 0xFFFF, 0x0000 }, "yellow" }
};

int ntext_colors = sizeof(text_colors) / sizeof(text_colors[0]);

/*
 * GtkText
 */
void
text_insert_random (GtkWidget *w, GtkText *text)
{
  int i;
  char c;
   for (i=0; i<10; i++)
    {
      c = 'A' + rand() % ('Z' - 'A');
      gtk_text_set_point (text, rand() % gtk_text_get_length (text));
      gtk_text_insert (text, NULL, NULL, NULL, &c, 1);
    }
}

void
create_text (void)
{
  int i, j;

  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *hbox;
  GtkWidget *button;
  GtkWidget *check;
  GtkWidget *separator;
  GtkWidget *scrolled_window;
  GtkWidget *text;
  GdkFont *font;

  FILE *infile;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      gtk_widget_set_name (window, "text window");
      gtk_widget_set_usize (window, 500, 500);
      gtk_window_set_policy (GTK_WINDOW(window), TRUE, TRUE, FALSE);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "test");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);


      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);
      gtk_widget_show (box1);


      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);
      gtk_widget_show (box2);


      scrolled_window = gtk_scrolled_window_new (NULL, NULL);
      gtk_box_pack_start (GTK_BOX (box2), scrolled_window, TRUE, TRUE, 0);
      gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
                              GTK_POLICY_NEVER,
                              GTK_POLICY_ALWAYS);
      gtk_widget_show (scrolled_window);

      text = gtk_text_new (NULL, NULL);
      gtk_text_set_editable (GTK_TEXT (text), TRUE);
      gtk_container_add (GTK_CONTAINER (scrolled_window), text);
      gtk_widget_grab_focus (text);
      gtk_widget_show (text);


      gtk_text_freeze (GTK_TEXT (text));

      font = gdk_font_load ("-adobe-courier-medium-r-normal--*-120-*-*-*-*-*-*");

      for (i=0; i<ntext_colors; i++)
      {
        gtk_text_insert (GTK_TEXT (text), font, NULL, NULL, 
                     text_colors[i].name, -1);
        gtk_text_insert (GTK_TEXT (text), font, NULL, NULL, "\t", -1);

        for (j=0; j<ntext_colors; j++)
          {
            gtk_text_insert (GTK_TEXT (text), font,
                         &text_colors[j].color, &text_colors[i].color,
                         "XYZ", -1);
          }
        gtk_text_insert (GTK_TEXT (text), NULL, NULL, NULL, "\n", -1);
      }

      /* The Text widget will reference count the font, so we
       * unreference it here
       */
      gdk_font_unref (font);

      infile = fopen("/tmp/dosfile", "r");
      
      if (infile)
      {
        char *buffer;
        int nbytes_read, nbytes_alloc;
        
        nbytes_read = 0;
        nbytes_alloc = 1024;
        buffer = g_new (char, nbytes_alloc);
        while (1)
          {
            int len;
            if (nbytes_alloc < nbytes_read + 1024)
            {
              nbytes_alloc *= 2;
              buffer = g_realloc (buffer, nbytes_alloc);
            }
            len = fread (buffer + nbytes_read, 1, 1024, infile);
            nbytes_read += len;
            if (len < 1024)
            break;
          }
        
        gtk_text_insert (GTK_TEXT (text), NULL, NULL,
                     NULL, buffer, nbytes_read);
        g_free(buffer);
        fclose (infile);
      }
      
      gtk_text_thaw (GTK_TEXT (text));

      hbox = gtk_hbutton_box_new ();
      gtk_box_pack_start (GTK_BOX (box2), hbox, FALSE, FALSE, 0);
      gtk_widget_show (hbox);

      check = gtk_check_button_new_with_label("Editable");
      gtk_box_pack_start (GTK_BOX (hbox), check, FALSE, FALSE, 0);
      gtk_signal_connect (GTK_OBJECT(check), "toggled",
                    GTK_SIGNAL_FUNC(text_toggle_editable), text);
      gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check), TRUE);
      gtk_widget_show (check);

      check = gtk_check_button_new_with_label("Wrap Words");
      gtk_box_pack_start (GTK_BOX (hbox), check, FALSE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT(check), "toggled",
                    GTK_SIGNAL_FUNC(text_toggle_word_wrap), text);
      gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check), FALSE);
      gtk_widget_show (check);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
      gtk_widget_show (separator);


      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
      gtk_widget_show (box2);


      button = gtk_button_new_with_label ("insert random");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC(text_insert_random),
                    GTK_TEXT (text));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      gtk_widget_show (button);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
      gtk_widget_show (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkNotebook
 */

GdkPixmap *book_open;
GdkPixmap *book_closed;
GdkBitmap *book_open_mask;
GdkBitmap *book_closed_mask;
GtkWidget *sample_notebook;

static void
page_switch (GtkWidget *widget, GtkNotebookPage *page, gint page_num)
{
  GtkNotebookPage *oldpage;
  GtkWidget *pixwid;

  oldpage = GTK_NOTEBOOK (widget)->cur_page;

  if (page == oldpage)
    return;
  pixwid = ((GtkBoxChild*)
          (GTK_BOX (page->tab_label)->children->data))->widget;
  gtk_pixmap_set (GTK_PIXMAP (pixwid), book_open, book_open_mask);
  pixwid = ((GtkBoxChild*)
          (GTK_BOX (page->menu_label)->children->data))->widget;
  gtk_pixmap_set (GTK_PIXMAP (pixwid), book_open, book_open_mask);

  if (oldpage)
    {
      pixwid = ((GtkBoxChild*)
            (GTK_BOX (oldpage->tab_label)->children->data))->widget;
      gtk_pixmap_set (GTK_PIXMAP (pixwid), book_closed, book_closed_mask);
      pixwid = ((GtkBoxChild*)
            (GTK_BOX (oldpage->menu_label)->children->data))->widget;
      gtk_pixmap_set (GTK_PIXMAP (pixwid), book_closed, book_closed_mask);
    }
}

static void
tab_fill (GtkToggleButton *button, GtkWidget *child)
{
  gboolean expand;
  GtkPackType pack_type;

  gtk_notebook_query_tab_label_packing (GTK_NOTEBOOK (sample_notebook), child,
                              &expand, NULL, &pack_type);
  gtk_notebook_set_tab_label_packing (GTK_NOTEBOOK (sample_notebook), child,
                              expand, button->active, pack_type);
}

static void
tab_expand (GtkToggleButton *button, GtkWidget *child)
{
  gboolean fill;
  GtkPackType pack_type;

  gtk_notebook_query_tab_label_packing (GTK_NOTEBOOK (sample_notebook), child,
                              NULL, &fill, &pack_type);
  gtk_notebook_set_tab_label_packing (GTK_NOTEBOOK (sample_notebook), child,
                              button->active, fill, pack_type);
}

static void
tab_pack (GtkToggleButton *button, GtkWidget *child)
        
{ 
  gboolean expand;
  gboolean fill;

  gtk_notebook_query_tab_label_packing (GTK_NOTEBOOK (sample_notebook), child,
                              &expand, &fill, NULL);
  gtk_notebook_set_tab_label_packing (GTK_NOTEBOOK (sample_notebook), child,
                              expand, fill, button->active);
}

static void
create_pages (GtkNotebook *notebook, gint start, gint end)
{
  GtkWidget *child = NULL;
  GtkWidget *button;
  GtkWidget *label;
  GtkWidget *hbox;
  GtkWidget *vbox;
  GtkWidget *label_box;
  GtkWidget *menu_box;
  GtkWidget *pixwid;
  gint i;
  char buffer[32];

  for (i = start; i <= end; i++)
    {
      sprintf (buffer, "Page %d", i);

      child = gtk_frame_new (buffer);
      gtk_container_set_border_width (GTK_CONTAINER (child), 10);

      vbox = gtk_vbox_new (TRUE,0);
      gtk_container_set_border_width (GTK_CONTAINER (vbox), 10);
      gtk_container_add (GTK_CONTAINER (child), vbox);

      hbox = gtk_hbox_new (TRUE,0);
      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);

      button = gtk_check_button_new_with_label ("Fill Tab");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
      gtk_signal_connect (GTK_OBJECT (button), "toggled",
                    GTK_SIGNAL_FUNC (tab_fill), child);

      button = gtk_check_button_new_with_label ("Expand Tab");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
      gtk_signal_connect (GTK_OBJECT (button), "toggled",
      GTK_SIGNAL_FUNC (tab_expand), child);

      button = gtk_check_button_new_with_label ("Pack end");
      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
      gtk_signal_connect (GTK_OBJECT (button), "toggled",
                    GTK_SIGNAL_FUNC (tab_pack), child);

      button = gtk_button_new_with_label ("Hide Page");
      gtk_box_pack_end (GTK_BOX (vbox), button, FALSE, FALSE, 5);
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC (gtk_widget_hide),
                         GTK_OBJECT (child));

      gtk_widget_show_all (child);

      label_box = gtk_hbox_new (FALSE, 0);
      pixwid = gtk_pixmap_new (book_closed, book_closed_mask);
      gtk_box_pack_start (GTK_BOX (label_box), pixwid, FALSE, TRUE, 0);
      gtk_misc_set_padding (GTK_MISC (pixwid), 3, 1);
      label = gtk_label_new (buffer);
      gtk_box_pack_start (GTK_BOX (label_box), label, FALSE, TRUE, 0);
      gtk_widget_show_all (label_box);

      menu_box = gtk_hbox_new (FALSE, 0);
      pixwid = gtk_pixmap_new (book_closed, book_closed_mask);
      gtk_box_pack_start (GTK_BOX (menu_box), pixwid, FALSE, TRUE, 0);
      gtk_misc_set_padding (GTK_MISC (pixwid), 3, 1);
      label = gtk_label_new (buffer);
      gtk_box_pack_start (GTK_BOX (menu_box), label, FALSE, TRUE, 0);
      gtk_widget_show_all (menu_box);
      gtk_notebook_append_page_menu (notebook, child, label_box, menu_box);
    }
}

static void
rotate_notebook (GtkButton   *button,
             GtkNotebook *notebook)
{
  gtk_notebook_set_tab_pos (notebook, (notebook->tab_pos + 1) % 4);
}

static void
show_all_pages (GtkButton   *button,
            GtkNotebook *notebook)
{  
  gtk_container_foreach (GTK_CONTAINER (notebook),
                   (GtkCallback) gtk_widget_show, NULL);
}

static void
standard_notebook (GtkButton   *button,
                   GtkNotebook *notebook)
{
  gint i;

  gtk_notebook_set_show_tabs (notebook, TRUE);
  gtk_notebook_set_scrollable (notebook, FALSE);
  if (g_list_length (notebook->children) == 15)
    for (i = 0; i < 10; i++)
      gtk_notebook_remove_page (notebook, 5);
}

static void
notabs_notebook (GtkButton   *button,
                 GtkNotebook *notebook)
{
  gint i;

  gtk_notebook_set_show_tabs (notebook, FALSE);
  if (g_list_length (notebook->children) == 15)
    for (i = 0; i < 10; i++)
      gtk_notebook_remove_page (notebook, 5);
}

static void
scrollable_notebook (GtkButton   *button,
                     GtkNotebook *notebook)
{
  gtk_notebook_set_show_tabs (notebook, TRUE);
  gtk_notebook_set_scrollable (notebook, TRUE);
  if (g_list_length (notebook->children) == 5)
    create_pages (notebook, 6, 15);
}

static void
notebook_popup (GtkToggleButton *button,
            GtkNotebook     *notebook)
{
  if (button->active)
    gtk_notebook_popup_enable (notebook);
  else
    gtk_notebook_popup_disable (notebook);
}

static void
notebook_homogeneous (GtkToggleButton *button,
                  GtkNotebook     *notebook)
{
  gtk_notebook_set_homogeneous_tabs (notebook, button->active);
}

static void
create_notebook (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *button;
  GtkWidget *separator;
  GtkWidget *omenu;
  GdkColor *transparent = NULL;
  GtkWidget *label;

  static OptionMenuItem items[] =
  {
    { "Standard",   standard_notebook },
    { "No tabs",    notabs_notebook },
    { "Scrollable", scrollable_notebook }
  };

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "notebook");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);

      sample_notebook = gtk_notebook_new ();
      gtk_signal_connect (GTK_OBJECT (sample_notebook), "switch_page",
                    GTK_SIGNAL_FUNC (page_switch), NULL);
      gtk_notebook_set_tab_pos (GTK_NOTEBOOK (sample_notebook), GTK_POS_TOP);
      gtk_box_pack_start (GTK_BOX (box1), sample_notebook, TRUE, TRUE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (sample_notebook), 10);

      gtk_widget_realize (sample_notebook);
      book_open = gdk_pixmap_create_from_xpm_d (sample_notebook->window,
                                    &book_open_mask, 
                                    transparent, 
                                    book_open_xpm);
      book_closed = gdk_pixmap_create_from_xpm_d (sample_notebook->window,
                                      &book_closed_mask,
                                      transparent, 
                                      book_closed_xpm);

      create_pages (GTK_NOTEBOOK (sample_notebook), 1, 5);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 10);
      
      box2 = gtk_hbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button = gtk_check_button_new_with_label ("popup menu");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, FALSE, 0);
      gtk_signal_connect (GTK_OBJECT(button), "clicked",
                    GTK_SIGNAL_FUNC (notebook_popup),
                    GTK_OBJECT (sample_notebook));

      button = gtk_check_button_new_with_label ("homogeneous tabs");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, FALSE, 0);
      gtk_signal_connect (GTK_OBJECT(button), "clicked",
                    GTK_SIGNAL_FUNC (notebook_homogeneous),
                    GTK_OBJECT (sample_notebook));

      box2 = gtk_hbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      label = gtk_label_new ("Notebook Style :");
      gtk_box_pack_start (GTK_BOX (box2), label, FALSE, TRUE, 0);

      omenu = build_option_menu (items, 3, 0, sample_notebook);
      gtk_box_pack_start (GTK_BOX (box2), omenu, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("Show all Pages");
      gtk_box_pack_start (GTK_BOX (box2), button, FALSE, TRUE, 0);
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (show_all_pages), sample_notebook);

      box2 = gtk_hbox_new (TRUE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("prev");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC (gtk_notebook_prev_page),
                         GTK_OBJECT (sample_notebook));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      button = gtk_button_new_with_label ("next");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC (gtk_notebook_next_page),
                         GTK_OBJECT (sample_notebook));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      button = gtk_button_new_with_label ("rotate");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (rotate_notebook), sample_notebook);
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 5);

      button = gtk_button_new_with_label ("close");
      gtk_container_set_border_width (GTK_CONTAINER (button), 5);
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC (gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box1), button, FALSE, FALSE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkPanes
 */

void
toggle_resize (GtkWidget *widget, GtkWidget *child)
{
  GtkPaned *paned = GTK_PANED (child->parent);
  gboolean is_child1 = (child == paned->child1);
  gboolean resize, shrink;

  resize = is_child1 ? paned->child1_resize : paned->child2_resize;
  shrink = is_child1 ? paned->child1_shrink : paned->child2_shrink;

  gtk_widget_ref (child);
  gtk_container_remove (GTK_CONTAINER (child->parent), child);
  if (is_child1)
    gtk_paned_pack1 (paned, child, !resize, shrink);
  else
    gtk_paned_pack2 (paned, child, !resize, shrink);
  gtk_widget_unref (child);
}

void
toggle_shrink (GtkWidget *widget, GtkWidget *child)
{
  GtkPaned *paned = GTK_PANED (child->parent);
  gboolean is_child1 = (child == paned->child1);
  gboolean resize, shrink;

  resize = is_child1 ? paned->child1_resize : paned->child2_resize;
  shrink = is_child1 ? paned->child1_shrink : paned->child2_shrink;

  gtk_widget_ref (child);
  gtk_container_remove (GTK_CONTAINER (child->parent), child);
  if (is_child1)
    gtk_paned_pack1 (paned, child, resize, !shrink);
  else
    gtk_paned_pack2 (paned, child, resize, !shrink);
  gtk_widget_unref (child);
}

GtkWidget *
create_pane_options (GtkPaned *paned,
                 const gchar *frame_label,
                 const gchar *label1,
                 const gchar *label2)
{
  GtkWidget *frame;
  GtkWidget *table;
  GtkWidget *label;
  GtkWidget *check_button;
  
  frame = gtk_frame_new (frame_label);
  gtk_container_set_border_width (GTK_CONTAINER (frame), 4);
  
  table = gtk_table_new (3, 2, 4);
  gtk_container_add (GTK_CONTAINER (frame), table);
  
  label = gtk_label_new (label1);
  gtk_table_attach_defaults (GTK_TABLE (table), label,
                       0, 1, 0, 1);
  
  check_button = gtk_check_button_new_with_label ("Resize");
  gtk_table_attach_defaults (GTK_TABLE (table), check_button,
                       0, 1, 1, 2);
  gtk_signal_connect (GTK_OBJECT (check_button), "toggled",
                  GTK_SIGNAL_FUNC (toggle_resize),
                  paned->child1);
  
  check_button = gtk_check_button_new_with_label ("Shrink");
  gtk_table_attach_defaults (GTK_TABLE (table), check_button,
                       0, 1, 2, 3);
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_button),
                         TRUE);
  gtk_signal_connect (GTK_OBJECT (check_button), "toggled",
                  GTK_SIGNAL_FUNC (toggle_shrink),
                  paned->child1);
  
  label = gtk_label_new (label2);
  gtk_table_attach_defaults (GTK_TABLE (table), label,
                       1, 2, 0, 1);
  
  check_button = gtk_check_button_new_with_label ("Resize");
  gtk_table_attach_defaults (GTK_TABLE (table), check_button,
                       1, 2, 1, 2);
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_button),
                         TRUE);
  gtk_signal_connect (GTK_OBJECT (check_button), "toggled",
                  GTK_SIGNAL_FUNC (toggle_resize),
                  paned->child2);
  
  check_button = gtk_check_button_new_with_label ("Shrink");
  gtk_table_attach_defaults (GTK_TABLE (table), check_button,
                       1, 2, 2, 3);
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_button),
                         TRUE);
  gtk_signal_connect (GTK_OBJECT (check_button), "toggled",
                  GTK_SIGNAL_FUNC (toggle_shrink),
                  paned->child2);

  return frame;
}

void
create_panes (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *frame;
  GtkWidget *hpaned;
  GtkWidget *vpaned;
  GtkWidget *button;
  GtkWidget *vbox;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "Panes");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      vbox = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), vbox);
      
      vpaned = gtk_vpaned_new ();
      gtk_box_pack_start (GTK_BOX (vbox), vpaned, TRUE, TRUE, 0);
      gtk_container_set_border_width (GTK_CONTAINER(vpaned), 5);

      hpaned = gtk_hpaned_new ();
      gtk_paned_add1 (GTK_PANED (vpaned), hpaned);

      frame = gtk_frame_new (NULL);
      gtk_frame_set_shadow_type (GTK_FRAME(frame), GTK_SHADOW_IN);
      gtk_widget_set_usize (frame, 60, 60);
      gtk_paned_add1 (GTK_PANED (hpaned), frame);
      
      button = gtk_button_new_with_label ("Hi there");
      gtk_container_add (GTK_CONTAINER(frame), button);

      frame = gtk_frame_new (NULL);
      gtk_frame_set_shadow_type (GTK_FRAME(frame), GTK_SHADOW_IN);
      gtk_widget_set_usize (frame, 80, 60);
      gtk_paned_add2 (GTK_PANED (hpaned), frame);

      frame = gtk_frame_new (NULL);
      gtk_frame_set_shadow_type (GTK_FRAME(frame), GTK_SHADOW_IN);
      gtk_widget_set_usize (frame, 60, 80);
      gtk_paned_add2 (GTK_PANED (vpaned), frame);

      /* Now create toggle buttons to control sizing */

      gtk_box_pack_start (GTK_BOX (vbox),
                    create_pane_options (GTK_PANED (hpaned),
                                     "Horizontal",
                                     "Left",
                                     "Right"),
                    FALSE, FALSE, 0);

      gtk_box_pack_start (GTK_BOX (vbox),
                    create_pane_options (GTK_PANED (vpaned),
                                     "Vertical",
                                     "Top",
                                     "Bottom"),
                    FALSE, FALSE, 0);

      gtk_widget_show_all (vbox);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

/*
 * Drag -N- Drop
 */

#if 0
gint
dnd_drop_destroy_popup (GtkWidget *widget, GtkWindow **window)
{
  if(GTK_IS_BUTTON(widget)) /* I.e. they clicked the close button */
    gtk_widget_destroy(GTK_WIDGET(*window));
  else {
    gtk_grab_remove(GTK_WIDGET(*window));
    *window = NULL;
  }

  return FALSE;
}

void
dnd_drop (GtkWidget *button, GdkEvent *event)
{
  static GtkWidget *window = NULL;
  GtkWidget *vbox, *lbl, *btn;
  gchar *msg;

  /* DND doesn't obey gtk_grab's, so check if we're already displaying
   * drop modal dialog first
   */
  if (window)
    return;

  window = gtk_window_new(GTK_WINDOW_DIALOG);
  gtk_container_set_border_width (GTK_CONTAINER(window), 10);

  gtk_signal_connect (GTK_OBJECT (window), "destroy",
                  GTK_SIGNAL_FUNC(dnd_drop_destroy_popup),
                  &window);
  gtk_signal_connect (GTK_OBJECT (window), "delete-event",
                  GTK_SIGNAL_FUNC(gtk_false),
                  &window);

  vbox = gtk_vbox_new(FALSE, 5);

  /* Display message that we got from drop source */
  msg = g_malloc(strlen(event->dropdataavailable.data)
             + strlen(event->dropdataavailable.data_type) + 100);
  sprintf(msg, "Drop data of type %s was:\n\n%s",
        event->dropdataavailable.data_type,
        (char *)event->dropdataavailable.data);
  lbl = gtk_label_new(msg);
  gtk_label_set_justify(GTK_LABEL(lbl), GTK_JUSTIFY_FILL);
  g_free(msg);
  gtk_widget_show(lbl);
  gtk_box_pack_start_defaults(GTK_BOX(vbox), lbl);

  /* Provide an obvious way out of this heinousness */
  btn = gtk_button_new_with_label("Continue with life in\nspite of this oppression");
  gtk_signal_connect_object (GTK_OBJECT (btn), "clicked",
                       GTK_SIGNAL_FUNC(gtk_widget_destroy),
                       GTK_OBJECT (window));
  gtk_widget_show(btn);
  gtk_box_pack_start_defaults(GTK_BOX(vbox), btn);

  gtk_container_add(GTK_CONTAINER(window), vbox);

  gtk_widget_show(vbox);
  gtk_grab_add(window);
  gtk_widget_show(window);
}

void
dnd_drag_request (GtkWidget *button, GdkEvent *event)
{
#define DND_STRING "Bill Gates demands royalties for\nyour use of his innovation."
  gtk_widget_dnd_data_set (button, event, DND_STRING, strlen(DND_STRING) + 1);
}

void
create_dnd (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *box3;
  GtkWidget *frame;
  GtkWidget *button;
  GtkWidget *separator;

  /* For clarity... */
  char *possible_drag_types[] = {"text/plain"};
  char *accepted_drop_types[] = {"text/plain"};

  static GtkWidget *drag_icon = NULL;
  static GtkWidget *drop_icon = NULL;

  if (!window)
    {
      GdkPoint hotspot = {5,5};
      
      if (!drag_icon)
      {
        drag_icon = shape_create_icon ("Modeller.xpm",
                               440, 140, 0,0, GTK_WINDOW_POPUP);
        
        gtk_signal_connect (GTK_OBJECT (drag_icon), "destroy",
                        GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                        &drag_icon);

        gtk_widget_hide (drag_icon);
      }
      
      if (!drop_icon)
      {
        drop_icon = shape_create_icon ("3DRings.xpm",
                               440, 140, 0,0, GTK_WINDOW_POPUP);
        
        gtk_signal_connect (GTK_OBJECT (drop_icon), "destroy",
                        GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                        &drop_icon);

        gtk_widget_hide (drop_icon);
      }

      gdk_dnd_set_drag_shape(drag_icon->window,
                       &hotspot,
                       drop_icon->window,
                       &hotspot);

      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "Drag -N- Drop");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);
      gtk_widget_show (box1);

      box2 = gtk_hbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);
      gtk_widget_show (box2);

      frame = gtk_frame_new ("Drag");
      gtk_box_pack_start (GTK_BOX (box2), frame, TRUE, TRUE, 0);
      gtk_widget_show (frame);

      box3 = gtk_vbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (box3), 5);
      gtk_container_add (GTK_CONTAINER (frame), box3);
      gtk_widget_show (box3);

      /*
       * FROM Button
       */
      button = gtk_button_new_with_label ("Drag me!");
      gtk_box_pack_start (GTK_BOX (box3), button, FALSE, TRUE, 0);
      gtk_widget_show (button);

      /*
       * currently, the widget has to be realized to
       * set dnd on it, this needs to change
       */
      gtk_widget_realize (button);
      gtk_signal_connect (GTK_OBJECT (button),
                    "drag_request_event",
                    GTK_SIGNAL_FUNC(dnd_drag_request),
                    button);
      
      gtk_widget_dnd_drag_set (button, TRUE, possible_drag_types, 1);


      frame = gtk_frame_new ("Drop");
      gtk_box_pack_start (GTK_BOX (box2), frame, TRUE, TRUE, 0);
      gtk_widget_show (frame);

      box3 = gtk_vbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (box3), 5);
      gtk_container_add (GTK_CONTAINER (frame), box3);
      gtk_widget_show (box3);


      /*
       * TO Button
       */
      button = gtk_button_new_with_label ("To");
      gtk_box_pack_start (GTK_BOX (box3), button, FALSE, TRUE, 0);
      gtk_widget_show (button);

      gtk_widget_realize (button);
      gtk_signal_connect (GTK_OBJECT (button), 
                    "drop_data_available_event",
                    GTK_SIGNAL_FUNC(dnd_drop),
                    button);

      gtk_widget_dnd_drop_set (button, TRUE, accepted_drop_types, 1, FALSE);


      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
      gtk_widget_show (separator);


      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
      gtk_widget_show (box2);


      button = gtk_button_new_with_label ("close");

      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));

      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
      gtk_widget_show (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}
#endif

/*
 * Shaped Windows
 */

static GdkWindow *root_win = NULL;

typedef struct _cursoroffset {gint x,y;} CursorOffset;

static void
shape_pressed (GtkWidget *widget, GdkEventButton *event)
{
  CursorOffset *p;

  /* ignore double and triple click */
  if (event->type != GDK_BUTTON_PRESS)
    return;

  p = gtk_object_get_user_data (GTK_OBJECT(widget));
  p->x = (int) event->x;
  p->y = (int) event->y;

  gtk_grab_add (widget);
  gdk_pointer_grab (widget->window, TRUE,
                GDK_BUTTON_RELEASE_MASK |
                GDK_BUTTON_MOTION_MASK |
                GDK_POINTER_MOTION_HINT_MASK,
                NULL, NULL, 0);
}

static void
shape_released (GtkWidget *widget)
{
  gtk_grab_remove (widget);
  gdk_pointer_ungrab (0);
}

static void
shape_motion (GtkWidget      *widget, 
            GdkEventMotion *event)
{
  gint xp, yp;
  CursorOffset * p;
  GdkModifierType mask;

  p = gtk_object_get_user_data (GTK_OBJECT (widget));

  /*
   * Can't use event->x / event->y here 
   * because I need absolute coordinates.
   */
  gdk_window_get_pointer (root_win, &xp, &yp, &mask);
  gtk_widget_set_uposition (widget, xp  - p->x, yp  - p->y);
}

GtkWidget *
shape_create_icon (char     *xpm_file,
               gint      x,
               gint      y,
               gint      px,
               gint      py,
               gint      window_type)
{
  GtkWidget *window;
  GtkWidget *pixmap;
  GtkWidget *fixed;
  CursorOffset* icon_pos;
  GdkGC* gc;
  GdkBitmap *gdk_pixmap_mask;
  GdkPixmap *gdk_pixmap;
  GtkStyle *style;

  style = gtk_widget_get_default_style ();
  gc = style->black_gc; 

  /*
   * GDK_WINDOW_TOPLEVEL works also, giving you a title border
   */
  window = gtk_window_new (window_type);
  
  fixed = gtk_fixed_new ();
  gtk_widget_set_usize (fixed, 100,100);
  gtk_container_add (GTK_CONTAINER (window), fixed);
  gtk_widget_show (fixed);
  
  gtk_widget_set_events (window, 
                   gtk_widget_get_events (window) |
                   GDK_BUTTON_MOTION_MASK |
                   GDK_POINTER_MOTION_HINT_MASK |
                   GDK_BUTTON_PRESS_MASK);

  gtk_widget_realize (window);
  gdk_pixmap = gdk_pixmap_create_from_xpm (window->window, &gdk_pixmap_mask, 
                                 &style->bg[GTK_STATE_NORMAL],
                                 xpm_file);

  pixmap = gtk_pixmap_new (gdk_pixmap, gdk_pixmap_mask);
  gtk_fixed_put (GTK_FIXED (fixed), pixmap, px,py);
  gtk_widget_show (pixmap);
  
  gtk_widget_shape_combine_mask (window, gdk_pixmap_mask, px,py);


  gtk_signal_connect (GTK_OBJECT (window), "button_press_event",
                  GTK_SIGNAL_FUNC (shape_pressed),NULL);
  gtk_signal_connect (GTK_OBJECT (window), "button_release_event",
                  GTK_SIGNAL_FUNC (shape_released),NULL);
  gtk_signal_connect (GTK_OBJECT (window), "motion_notify_event",
                  GTK_SIGNAL_FUNC (shape_motion),NULL);

  icon_pos = g_new (CursorOffset, 1);
  gtk_object_set_user_data(GTK_OBJECT(window), icon_pos);

  gtk_widget_set_uposition (window, x, y);
  gtk_widget_show (window);
  
  return window;
}

void 
create_shapes (void)
{
  /* Variables used by the Drag/Drop and Shape Window demos */
  static GtkWidget *modeller = NULL;
  static GtkWidget *sheets = NULL;
  static GtkWidget *rings = NULL;

  root_win = gdk_window_foreign_new (GDK_ROOT_WINDOW ());

  if (!modeller)
    {
      modeller = shape_create_icon ("Modeller.xpm",
                            440, 140, 0,0, GTK_WINDOW_POPUP);

      gtk_signal_connect (GTK_OBJECT (modeller), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &modeller);
    }
  else
    gtk_widget_destroy (modeller);

  if (!sheets)
    {
      sheets = shape_create_icon ("FilesQueue.xpm",
                          580, 170, 0,0, GTK_WINDOW_POPUP);

      gtk_signal_connect (GTK_OBJECT (sheets), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &sheets);

    }
  else
    gtk_widget_destroy (sheets);

  if (!rings)
    {
      rings = shape_create_icon ("3DRings.xpm",
                         460, 270, 25,25, GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (rings), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &rings);
    }
  else
    gtk_widget_destroy (rings);
}

/*
 * WM Hints demo
 */

void
create_wmhints (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *label;
  GtkWidget *separator;
  GtkWidget *button;
  GtkWidget *box1;
  GtkWidget *box2;

  GdkBitmap *circles;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "WM Hints");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      gtk_widget_realize (window);
      
      circles = gdk_bitmap_create_from_data (window->window,
                                   circles_bits,
                                   circles_width,
                                   circles_height);
      gdk_window_set_icon (window->window, NULL,
                     circles, circles);
      
      gdk_window_set_icon_name (window->window, "WMHints Test Icon");
  
      gdk_window_set_decorations (window->window, GDK_DECOR_ALL | GDK_DECOR_MENU);
      gdk_window_set_functions (window->window, GDK_FUNC_ALL | GDK_FUNC_RESIZE);
      
      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);
      gtk_widget_show (box1);

      label = gtk_label_new ("Try iconizing me!");
      gtk_widget_set_usize (label, 150, 50);
      gtk_box_pack_start (GTK_BOX (box1), label, TRUE, TRUE, 0);
      gtk_widget_show (label);


      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
      gtk_widget_show (separator);


      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
      gtk_widget_show (box2);


      button = gtk_button_new_with_label ("close");

      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));

      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
      gtk_widget_show (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkProgressBar
 */

typedef struct _ProgressData {
  GtkWidget *window;
  GtkWidget *pbar;
  GtkWidget *block_spin;
  GtkWidget *x_align_spin;
  GtkWidget *y_align_spin;
  GtkWidget *step_spin;
  GtkWidget *act_blocks_spin;
  GtkWidget *label;
  GtkWidget *omenu1;
  GtkWidget *omenu2;
  GtkWidget *entry;
  int timer;
} ProgressData;

gint
progress_timeout (gpointer data)
{
  gfloat new_val;
  GtkAdjustment *adj;

  adj = GTK_PROGRESS (data)->adjustment;

  new_val = adj->value + 1;
  if (new_val > adj->upper)
    new_val = adj->lower;

  gtk_progress_set_value (GTK_PROGRESS (data), new_val);

  return TRUE;
}

static void
destroy_progress (GtkWidget     *widget,
              ProgressData **pdata)
{
  gtk_timeout_remove ((*pdata)->timer);
  (*pdata)->timer = 0;
  (*pdata)->window = NULL;
  g_free (*pdata);
  *pdata = NULL;
}

static void
progressbar_toggle_orientation (GtkWidget *widget, ProgressData *pdata)
{
  gint i;

  if (!GTK_WIDGET_MAPPED (widget))
    return;

  RADIOMENUTOGGLED ((GtkRadioMenuItem *)
                (((GtkOptionMenu *)(pdata->omenu1))->menu_item), i);

  gtk_progress_bar_set_orientation (GTK_PROGRESS_BAR (pdata->pbar),
                      (GtkProgressBarOrientation) (3-i));
}

static void
toggle_show_text (GtkWidget *widget, ProgressData *pdata)
{
  gtk_progress_set_show_text (GTK_PROGRESS (pdata->pbar),
                        GTK_TOGGLE_BUTTON (widget)->active);
  gtk_widget_set_sensitive (pdata->entry, GTK_TOGGLE_BUTTON (widget)->active);
  gtk_widget_set_sensitive (pdata->x_align_spin,
                      GTK_TOGGLE_BUTTON (widget)->active);
  gtk_widget_set_sensitive (pdata->y_align_spin,
                      GTK_TOGGLE_BUTTON (widget)->active);
}

static void
progressbar_toggle_bar_style (GtkWidget *widget, ProgressData *pdata)
{
  gint i;

  if (!GTK_WIDGET_MAPPED (widget))
    return;

  RADIOMENUTOGGLED ((GtkRadioMenuItem *)
                (((GtkOptionMenu *)(pdata->omenu2))->menu_item), i);

  i = 1 - i;

  if (i == 1)
    gtk_widget_set_sensitive (pdata->block_spin, TRUE);
  else
    gtk_widget_set_sensitive (pdata->block_spin, FALSE);

  gtk_progress_bar_set_bar_style (GTK_PROGRESS_BAR (pdata->pbar),
                          (GtkProgressBarStyle) i);
}

static void
progress_value_changed (GtkAdjustment *adj, ProgressData *pdata)
{
  char buf[20];

  if (GTK_PROGRESS (pdata->pbar)->activity_mode)
    sprintf (buf, "???");
  else
    sprintf (buf, "%.0f%%", 100 *
           gtk_progress_get_current_percentage (GTK_PROGRESS (pdata->pbar)));
  gtk_label_set_text (GTK_LABEL (pdata->label), buf);
}

static void
adjust_blocks (GtkAdjustment *adj, ProgressData *pdata)
{
  gtk_progress_set_percentage (GTK_PROGRESS (pdata->pbar), 0);
  gtk_progress_bar_set_discrete_blocks (GTK_PROGRESS_BAR (pdata->pbar),
     gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (pdata->block_spin)));
}

static void
adjust_step (GtkAdjustment *adj, ProgressData *pdata)
{
  gtk_progress_bar_set_activity_step (GTK_PROGRESS_BAR (pdata->pbar),
     gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (pdata->step_spin)));
}

static void
adjust_act_blocks (GtkAdjustment *adj, ProgressData *pdata)
{
  gtk_progress_bar_set_activity_blocks (GTK_PROGRESS_BAR (pdata->pbar),
               gtk_spin_button_get_value_as_int 
                  (GTK_SPIN_BUTTON (pdata->act_blocks_spin)));
}

static void
adjust_align (GtkAdjustment *adj, ProgressData *pdata)
{
  gtk_progress_set_text_alignment (GTK_PROGRESS (pdata->pbar),
       gtk_spin_button_get_value_as_float 
                           (GTK_SPIN_BUTTON (pdata->x_align_spin)),
       gtk_spin_button_get_value_as_float
                           (GTK_SPIN_BUTTON (pdata->y_align_spin)));
}

static void
toggle_activity_mode (GtkWidget *widget, ProgressData *pdata)
{
  gtk_progress_set_activity_mode (GTK_PROGRESS (pdata->pbar),
                          GTK_TOGGLE_BUTTON (widget)->active);
  gtk_widget_set_sensitive (pdata->step_spin, 
                      GTK_TOGGLE_BUTTON (widget)->active);
  gtk_widget_set_sensitive (pdata->act_blocks_spin, 
                      GTK_TOGGLE_BUTTON (widget)->active);
}

static void
entry_changed (GtkWidget *widget, ProgressData *pdata)
{
  gtk_progress_set_format_string (GTK_PROGRESS (pdata->pbar),
                    gtk_entry_get_text (GTK_ENTRY (pdata->entry)));
}

void
create_progress_bar (void)
{
  GtkWidget *button;
  GtkWidget *vbox;
  GtkWidget *vbox2;
  GtkWidget *hbox;
  GtkWidget *check;
  GtkWidget *frame;
  GtkWidget *tab;
  GtkWidget *label;
  GtkWidget *align;
  GtkAdjustment *adj;
  static ProgressData *pdata = NULL;

  static OptionMenuItem items1[] =
  {
    { "Left-Right", progressbar_toggle_orientation },
    { "Right-Left", progressbar_toggle_orientation },
    { "Bottom-Top", progressbar_toggle_orientation },
    { "Top-Bottom", progressbar_toggle_orientation }
  };

  static OptionMenuItem items2[] =
  {
    { "Continuous", progressbar_toggle_bar_style },
    { "Discrete",   progressbar_toggle_bar_style }
  };

  if (!pdata)
    pdata = g_new0 (ProgressData, 1);

  if (!pdata->window)
    {
      pdata->window = gtk_dialog_new ();

      gtk_window_set_policy (GTK_WINDOW (pdata->window), FALSE, FALSE, TRUE);

      gtk_signal_connect (GTK_OBJECT (pdata->window), "destroy",
                    GTK_SIGNAL_FUNC (destroy_progress),
                    &pdata);

      pdata->timer = 0;

      gtk_window_set_title (GTK_WINDOW (pdata->window), "GtkProgressBar");
      gtk_container_set_border_width (GTK_CONTAINER (pdata->window), 0);

      vbox = gtk_vbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (vbox), 10);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (pdata->window)->vbox), 
                    vbox, FALSE, TRUE, 0);

      frame = gtk_frame_new ("Progress");
      gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, TRUE, 0);

      vbox2 = gtk_vbox_new (FALSE, 5);
      gtk_container_add (GTK_CONTAINER (frame), vbox2);

      align = gtk_alignment_new (0.5, 0.5, 0, 0);
      gtk_box_pack_start (GTK_BOX (vbox2), align, FALSE, FALSE, 5);

      adj = (GtkAdjustment *) gtk_adjustment_new (0, 1, 300, 0, 0, 0);
      gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
                    GTK_SIGNAL_FUNC (progress_value_changed), pdata);

      pdata->pbar = gtk_progress_bar_new_with_adjustment (adj);
      gtk_progress_set_format_string (GTK_PROGRESS (pdata->pbar),
                              "%v from [%l,%u] (=%p%%)");
      gtk_container_add (GTK_CONTAINER (align), pdata->pbar);
      pdata->timer = gtk_timeout_add (100, progress_timeout, pdata->pbar);

      align = gtk_alignment_new (0.5, 0.5, 0, 0);
      gtk_box_pack_start (GTK_BOX (vbox2), align, FALSE, FALSE, 5);

      hbox = gtk_hbox_new (FALSE, 5);
      gtk_container_add (GTK_CONTAINER (align), hbox);
      label = gtk_label_new ("Label updated by user :"); 
      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
      pdata->label = gtk_label_new ("");
      gtk_box_pack_start (GTK_BOX (hbox), pdata->label, FALSE, TRUE, 0);

      frame = gtk_frame_new ("Options");
      gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, TRUE, 0);

      vbox2 = gtk_vbox_new (FALSE, 5);
      gtk_container_add (GTK_CONTAINER (frame), vbox2);

      tab = gtk_table_new (7, 2, FALSE);
      gtk_box_pack_start (GTK_BOX (vbox2), tab, FALSE, TRUE, 0);

      label = gtk_label_new ("Orientation :");
      gtk_table_attach (GTK_TABLE (tab), label, 0, 1, 0, 1,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
                  5, 5);
      gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);

      pdata->omenu1 = build_option_menu (items1, 4, 0, pdata);
      hbox = gtk_hbox_new (FALSE, 0);
      gtk_table_attach (GTK_TABLE (tab), hbox, 1, 2, 0, 1,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
                  5, 5);
      gtk_box_pack_start (GTK_BOX (hbox), pdata->omenu1, TRUE, TRUE, 0);
      
      check = gtk_check_button_new_with_label ("Show text");
      gtk_signal_connect (GTK_OBJECT (check), "clicked",
                    GTK_SIGNAL_FUNC (toggle_show_text),
                    pdata);
      gtk_table_attach (GTK_TABLE (tab), check, 0, 1, 1, 2,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
                  5, 5);

      hbox = gtk_hbox_new (FALSE, 0);
      gtk_table_attach (GTK_TABLE (tab), hbox, 1, 2, 1, 2,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
                  5, 5);

      label = gtk_label_new ("Format : ");
      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);

      pdata->entry = gtk_entry_new ();
      gtk_signal_connect (GTK_OBJECT (pdata->entry), "changed",
                    GTK_SIGNAL_FUNC (entry_changed),
                    pdata);
      gtk_box_pack_start (GTK_BOX (hbox), pdata->entry, TRUE, TRUE, 0);
      gtk_entry_set_text (GTK_ENTRY (pdata->entry), "%v from [%l,%u] (=%p%%)");
      gtk_widget_set_usize (pdata->entry, 100, -1);
      gtk_widget_set_sensitive (pdata->entry, FALSE);

      label = gtk_label_new ("Text align :");
      gtk_table_attach (GTK_TABLE (tab), label, 0, 1, 2, 3,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
                  5, 5);
      gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);

      hbox = gtk_hbox_new (FALSE, 0);
      gtk_table_attach (GTK_TABLE (tab), hbox, 1, 2, 2, 3,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
                  5, 5);

      label = gtk_label_new ("x :");
      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 5);
      
      adj = (GtkAdjustment *) gtk_adjustment_new (0.5, 0, 1, 0.1, 0.1, 0);
      pdata->x_align_spin = gtk_spin_button_new (adj, 0, 1);
      gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
                    GTK_SIGNAL_FUNC (adjust_align), pdata);
      gtk_box_pack_start (GTK_BOX (hbox), pdata->x_align_spin, FALSE, TRUE, 0);
      gtk_widget_set_sensitive (pdata->x_align_spin, FALSE);

      label = gtk_label_new ("y :");
      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 5);

      adj = (GtkAdjustment *) gtk_adjustment_new (0.5, 0, 1, 0.1, 0.1, 0);
      pdata->y_align_spin = gtk_spin_button_new (adj, 0, 1);
      gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
                    GTK_SIGNAL_FUNC (adjust_align), pdata);
      gtk_box_pack_start (GTK_BOX (hbox), pdata->y_align_spin, FALSE, TRUE, 0);
      gtk_widget_set_sensitive (pdata->y_align_spin, FALSE);

      label = gtk_label_new ("Bar Style :");
      gtk_table_attach (GTK_TABLE (tab), label, 0, 1, 3, 4,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
                  5, 5);
      gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);

      pdata->omenu2 = build_option_menu (items2, 2, 0, pdata);
      hbox = gtk_hbox_new (FALSE, 0);
      gtk_table_attach (GTK_TABLE (tab), hbox, 1, 2, 3, 4,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
                  5, 5);
      gtk_box_pack_start (GTK_BOX (hbox), pdata->omenu2, TRUE, TRUE, 0);

      label = gtk_label_new ("Block count :");
      gtk_table_attach (GTK_TABLE (tab), label, 0, 1, 4, 5,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
                  5, 5);
      gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);

      hbox = gtk_hbox_new (FALSE, 0);
      gtk_table_attach (GTK_TABLE (tab), hbox, 1, 2, 4, 5,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
                  5, 5);
      adj = (GtkAdjustment *) gtk_adjustment_new (10, 2, 20, 1, 5, 0);
      pdata->block_spin = gtk_spin_button_new (adj, 0, 0);
      gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
                    GTK_SIGNAL_FUNC (adjust_blocks), pdata);
      gtk_box_pack_start (GTK_BOX (hbox), pdata->block_spin, FALSE, TRUE, 0);
      gtk_widget_set_sensitive (pdata->block_spin, FALSE);

      check = gtk_check_button_new_with_label ("Activity mode");
      gtk_signal_connect (GTK_OBJECT (check), "clicked",
                    GTK_SIGNAL_FUNC (toggle_activity_mode),
                    pdata);
      gtk_table_attach (GTK_TABLE (tab), check, 0, 1, 5, 6,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
                  5, 5);

      hbox = gtk_hbox_new (FALSE, 0);
      gtk_table_attach (GTK_TABLE (tab), hbox, 1, 2, 5, 6,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
                  5, 5);
      label = gtk_label_new ("Step size : ");
      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
      adj = (GtkAdjustment *) gtk_adjustment_new (3, 1, 20, 1, 5, 0);
      pdata->step_spin = gtk_spin_button_new (adj, 0, 0);
      gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
                    GTK_SIGNAL_FUNC (adjust_step), pdata);
      gtk_box_pack_start (GTK_BOX (hbox), pdata->step_spin, FALSE, TRUE, 0);
      gtk_widget_set_sensitive (pdata->step_spin, FALSE);

      hbox = gtk_hbox_new (FALSE, 0);
      gtk_table_attach (GTK_TABLE (tab), hbox, 1, 2, 6, 7,
                  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
                  5, 5);
      label = gtk_label_new ("Blocks :     ");
      gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
      adj = (GtkAdjustment *) gtk_adjustment_new (5, 2, 10, 1, 5, 0);
      pdata->act_blocks_spin = gtk_spin_button_new (adj, 0, 0);
      gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
                    GTK_SIGNAL_FUNC (adjust_act_blocks), pdata);
      gtk_box_pack_start (GTK_BOX (hbox), pdata->act_blocks_spin, FALSE, TRUE,
                    0);
      gtk_widget_set_sensitive (pdata->act_blocks_spin, FALSE);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC (gtk_widget_destroy),
                         GTK_OBJECT (pdata->window));
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (pdata->window)->action_area), 
                    button, TRUE, TRUE, 0);
      gtk_widget_grab_default (button);
    }

  if (!GTK_WIDGET_VISIBLE (pdata->window))
    gtk_widget_show_all (pdata->window);
  else
    gtk_widget_destroy (pdata->window);
}

/*
 * Color Preview
 */

static int color_idle = 0;

gint
color_idle_func (GtkWidget *preview)
{
  static int count = 1;
  guchar buf[768];
  int i, j, k;

  for (i = 0; i < 256; i++)
    {
      for (j = 0, k = 0; j < 256; j++)
      {
        buf[k+0] = i + count;
        buf[k+1] = 0;
        buf[k+2] = j + count;
        k += 3;
      }

      gtk_preview_draw_row (GTK_PREVIEW (preview), buf, 0, i, 256);
    }

  count += 1;

  gtk_widget_draw (preview, NULL);

  return TRUE;
}

static void
color_preview_destroy (GtkWidget  *widget,
                   GtkWidget **window)
{
  gtk_idle_remove (color_idle);
  color_idle = 0;

  *window = NULL;
}

void
create_color_preview (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *preview;
  guchar buf[768];
  int i, j, k;

  if (!window)
    {
      gtk_widget_push_visual (gdk_rgb_get_visual ());
      gtk_widget_push_colormap (gdk_rgb_get_cmap ());
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      gtk_widget_pop_colormap ();
      gtk_widget_pop_visual ();

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(color_preview_destroy),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "test");
      gtk_container_set_border_width (GTK_CONTAINER (window), 10);

      preview = gtk_preview_new (GTK_PREVIEW_COLOR);
      gtk_preview_size (GTK_PREVIEW (preview), 256, 256);
      gtk_container_add (GTK_CONTAINER (window), preview);

      for (i = 0; i < 256; i++)
      {
        for (j = 0, k = 0; j < 256; j++)
          {
            buf[k+0] = i;
            buf[k+1] = 0;
            buf[k+2] = j;
            k += 3;
          }

        gtk_preview_draw_row (GTK_PREVIEW (preview), buf, 0, i, 256);
      }

      color_idle = gtk_idle_add ((GtkFunction) color_idle_func, preview);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * Gray Preview
 */

static int gray_idle = 0;

gint
gray_idle_func (GtkWidget *preview)
{
  static int count = 1;
  guchar buf[256];
  int i, j;

  for (i = 0; i < 256; i++)
    {
      for (j = 0; j < 256; j++)
      buf[j] = i + j + count;

      gtk_preview_draw_row (GTK_PREVIEW (preview), buf, 0, i, 256);
    }

  count += 1;

  gtk_widget_draw (preview, NULL);

  return TRUE;
}

static void
gray_preview_destroy (GtkWidget  *widget,
                  GtkWidget **window)
{
  gtk_idle_remove (gray_idle);
  gray_idle = 0;

  *window = NULL;
}

void
create_gray_preview (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *preview;
  guchar buf[256];
  int i, j;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gray_preview_destroy),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "test");
      gtk_container_set_border_width (GTK_CONTAINER (window), 10);

      preview = gtk_preview_new (GTK_PREVIEW_GRAYSCALE);
      gtk_preview_size (GTK_PREVIEW (preview), 256, 256);
      gtk_container_add (GTK_CONTAINER (window), preview);

      for (i = 0; i < 256; i++)
      {
        for (j = 0; j < 256; j++)
          buf[j] = i + j;

        gtk_preview_draw_row (GTK_PREVIEW (preview), buf, 0, i, 256);
      }

      gray_idle = gtk_idle_add ((GtkFunction) gray_idle_func, preview);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}


/*
 * Selection Test
 */

void
selection_test_received (GtkWidget *list, GtkSelectionData *data)
{
  GdkAtom *atoms;
  GtkWidget *list_item;
  GList *item_list;
  int i, l;

  if (data->length < 0)
    {
      g_print ("Selection retrieval failed\n");
      return;
    }
  if (data->type != GDK_SELECTION_TYPE_ATOM)
    {
      g_print ("Selection \"TARGETS\" was not returned as atoms!\n");
      return;
    }

  /* Clear out any current list items */

  gtk_list_clear_items (GTK_LIST(list), 0, -1);

  /* Add new items to list */

  atoms = (GdkAtom *)data->data;

  item_list = NULL;
  l = data->length / sizeof (GdkAtom);
  for (i = 0; i < l; i++)
    {
      char *name;
      name = gdk_atom_name (atoms[i]);
      if (name != NULL)
      {
        list_item = gtk_list_item_new_with_label (name);
        g_free (name);
      }
      else
      list_item = gtk_list_item_new_with_label ("(bad atom)");

      gtk_widget_show (list_item);
      item_list = g_list_append (item_list, list_item);
    }

  gtk_list_append_items (GTK_LIST (list), item_list);

  return;
}

void
selection_test_get_targets (GtkWidget *widget, GtkWidget *list)
{
  static GdkAtom targets_atom = GDK_NONE;

  if (targets_atom == GDK_NONE)
    targets_atom = gdk_atom_intern ("TARGETS", FALSE);

  gtk_selection_convert (list, GDK_SELECTION_PRIMARY, targets_atom,
                   GDK_CURRENT_TIME);
}

void
create_selection_test (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *button;
  GtkWidget *vbox;
  GtkWidget *scrolled_win;
  GtkWidget *list;
  GtkWidget *label;

  if (!window)
    {
      window = gtk_dialog_new ();

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "Selection Test");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      /* Create the list */

      vbox = gtk_vbox_new (FALSE, 5);
      gtk_container_set_border_width (GTK_CONTAINER (vbox), 10);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->vbox), vbox,
                    TRUE, TRUE, 0);

      label = gtk_label_new ("Gets available targets for current selection");
      gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);

      scrolled_win = gtk_scrolled_window_new (NULL, NULL);
      gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
                              GTK_POLICY_AUTOMATIC, 
                              GTK_POLICY_AUTOMATIC);
      gtk_box_pack_start (GTK_BOX (vbox), scrolled_win, TRUE, TRUE, 0);
      gtk_widget_set_usize (scrolled_win, 100, 200);

      list = gtk_list_new ();
      gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolled_win), list);

      gtk_signal_connect (GTK_OBJECT(list), "selection_received",
                    GTK_SIGNAL_FUNC (selection_test_received), NULL);

      /* .. And create some buttons */
      button = gtk_button_new_with_label ("Get Targets");
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area),
                    button, TRUE, TRUE, 0);

      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC (selection_test_get_targets), list);

      button = gtk_button_new_with_label ("Quit");
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area),
                    button, TRUE, TRUE, 0);

      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC (gtk_widget_destroy),
                         GTK_OBJECT (window));
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * Gamma Curve
 */

void
create_gamma_curve (void)
{
  static GtkWidget *window = NULL, *curve;
  static int count = 0;
  gfloat vec[256];
  gint max;
  gint i;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      gtk_window_set_title (GTK_WINDOW (window), "test");
      gtk_container_set_border_width (GTK_CONTAINER (window), 10);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      curve = gtk_gamma_curve_new ();
      gtk_container_add (GTK_CONTAINER (window), curve);
      gtk_widget_show (curve);
    }

  max = 127 + (count % 2)*128;
  gtk_curve_set_range (GTK_CURVE (GTK_GAMMA_CURVE (curve)->curve),
                   0, max, 0, max);
  for (i = 0; i < max; ++i)
    vec[i] = (127 / sqrt (max)) * sqrt (i);
  gtk_curve_set_vector (GTK_CURVE (GTK_GAMMA_CURVE (curve)->curve),
                  max, vec);

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else if (count % 4 == 3)
    {
      gtk_widget_destroy (window);
      window = NULL;
    }

  ++count;
}

/*
 * Test scrolling
 */

static int scroll_test_pos = 0.0;
static GdkGC *scroll_test_gc = NULL;

static gint
scroll_test_expose (GtkWidget *widget, GdkEventExpose *event,
                GtkAdjustment *adj)
{
  gint i,j;
  gint imin, imax, jmin, jmax;
  
  imin = (event->area.x) / 10;
  imax = (event->area.x + event->area.width + 9) / 10;

  jmin = ((int)adj->value + event->area.y) / 10;
  jmax = ((int)adj->value + event->area.y + event->area.height + 9) / 10;

  gdk_window_clear_area (widget->window,
                   event->area.x, event->area.y,
                   event->area.width, event->area.height);

  for (i=imin; i<imax; i++)
    for (j=jmin; j<jmax; j++)
      if ((i+j) % 2)
      gdk_draw_rectangle (widget->window, 
                      widget->style->black_gc,
                      TRUE,
                      10*i, 10*j - (int)adj->value, 1+i%10, 1+j%10);

  return TRUE;
}

static void
scroll_test_configure (GtkWidget *widget, GdkEventConfigure *event,
                   GtkAdjustment *adj)
{
  adj->page_increment = 0.9 * widget->allocation.height;
  adj->page_size = widget->allocation.height;

  gtk_signal_emit_by_name (GTK_OBJECT (adj), "changed");
}

static void
scroll_test_adjustment_changed (GtkAdjustment *adj, GtkWidget *widget)
{
  gint source_min = (int)adj->value - scroll_test_pos;
  gint source_max = source_min + widget->allocation.height;
  gint dest_min = 0;
  gint dest_max = widget->allocation.height;
  GdkRectangle rect;
  GdkEvent *event;

  scroll_test_pos = adj->value;

  if (!GTK_WIDGET_DRAWABLE (widget))
    return;

  if (source_min < 0)
    {
      rect.x = 0; 
      rect.y = 0;
      rect.width = widget->allocation.width;
      rect.height = -source_min;
      if (rect.height > widget->allocation.height)
      rect.height = widget->allocation.height;

      source_min = 0;
      dest_min = rect.height;
    }
  else
    {
      rect.x = 0;
      rect.y = 2*widget->allocation.height - source_max;
      if (rect.y < 0)
      rect.y = 0;
      rect.width = widget->allocation.width;
      rect.height = widget->allocation.height - rect.y;

      source_max = widget->allocation.height;
      dest_max = rect.y;
    }

  if (source_min != source_max)
    {
      if (scroll_test_gc == NULL)
      {
        scroll_test_gc = gdk_gc_new (widget->window);
        gdk_gc_set_exposures (scroll_test_gc, TRUE);
      }

      gdk_draw_pixmap (widget->window,
                   scroll_test_gc,
                   widget->window,
                   0, source_min,
                   0, dest_min,
                   widget->allocation.width,
                   source_max - source_min);

      /* Make sure graphics expose events are processed before scrolling
       * again */
      
      while ((event = gdk_event_get_graphics_expose (widget->window)) != NULL)
      {
        gtk_widget_event (widget, event);
        if (event->expose.count == 0)
          {
            gdk_event_free (event);
            break;
          }
        gdk_event_free (event);
      }
    }

  if (rect.height != 0)
    gtk_widget_draw (widget, &rect);
}


void
create_scroll_test (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *hbox;
  GtkWidget *drawing_area;
  GtkWidget *scrollbar;
  GtkWidget *button;
  GtkAdjustment *adj;
  GdkGeometry geometry;
  GdkWindowHints geometry_mask;
  
  if (!window)
    {
      window = gtk_dialog_new ();

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "Scroll Test");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      hbox = gtk_hbox_new (FALSE, 0);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->vbox), hbox,
                    TRUE, TRUE, 0);
      gtk_widget_show (hbox);

      drawing_area = gtk_drawing_area_new ();
      gtk_drawing_area_size (GTK_DRAWING_AREA (drawing_area), 200, 200);
      gtk_box_pack_start (GTK_BOX (hbox), drawing_area, TRUE, TRUE, 0);
      gtk_widget_show (drawing_area);

      gtk_widget_set_events (drawing_area, GDK_EXPOSURE_MASK);

      adj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 1000.0, 1.0, 180.0, 200.0));
      scroll_test_pos = 0.0;

      scrollbar = gtk_vscrollbar_new (adj);
      gtk_box_pack_start (GTK_BOX (hbox), scrollbar, FALSE, FALSE, 0);
      gtk_widget_show (scrollbar);

      gtk_signal_connect (GTK_OBJECT (drawing_area), "expose_event",
                    GTK_SIGNAL_FUNC (scroll_test_expose), adj);
      gtk_signal_connect (GTK_OBJECT (drawing_area), "configure_event",
                    GTK_SIGNAL_FUNC (scroll_test_configure), adj);

      
      gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
                    GTK_SIGNAL_FUNC (scroll_test_adjustment_changed),
                    drawing_area);
      
      /* .. And create some buttons */

      button = gtk_button_new_with_label ("Quit");
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area),
                    button, TRUE, TRUE, 0);

      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC (gtk_widget_destroy),
                         GTK_OBJECT (window));
      gtk_widget_show (button);

      /* Set up gridded geometry */

      geometry_mask = GDK_HINT_MIN_SIZE | 
                     GDK_HINT_BASE_SIZE | 
                     GDK_HINT_RESIZE_INC;

      geometry.min_width = 20;
      geometry.min_height = 20;
      geometry.base_width = 0;
      geometry.base_height = 0;
      geometry.width_inc = 10;
      geometry.height_inc = 10;
      
      gtk_window_set_geometry_hints (GTK_WINDOW (window),
                         drawing_area, &geometry, geometry_mask);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

/*
 * Timeout Test
 */

static int timer = 0;

gint
timeout_test (GtkWidget *label)
{
  static int count = 0;
  static char buffer[32];

  sprintf (buffer, "count: %d", ++count);
  gtk_label_set_text (GTK_LABEL (label), buffer);

  return TRUE;
}

void
start_timeout_test (GtkWidget *widget,
                GtkWidget *label)
{
  if (!timer)
    {
      timer = gtk_timeout_add (100, (GtkFunction) timeout_test, label);
    }
}

void
stop_timeout_test (GtkWidget *widget,
               gpointer   data)
{
  if (timer)
    {
      gtk_timeout_remove (timer);
      timer = 0;
    }
}

void
destroy_timeout_test (GtkWidget  *widget,
                  GtkWidget **window)
{
  stop_timeout_test (NULL, NULL);

  *window = NULL;
}

void
create_timeout_test (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *button;
  GtkWidget *label;

  if (!window)
    {
      window = gtk_dialog_new ();

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(destroy_timeout_test),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "Timeout Test");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      label = gtk_label_new ("count: 0");
      gtk_misc_set_padding (GTK_MISC (label), 10, 10);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->vbox), 
                    label, TRUE, TRUE, 0);
      gtk_widget_show (label);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area), 
                    button, TRUE, TRUE, 0);
      gtk_widget_grab_default (button);
      gtk_widget_show (button);

      button = gtk_button_new_with_label ("start");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC(start_timeout_test),
                    label);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area), 
                    button, TRUE, TRUE, 0);
      gtk_widget_show (button);

      button = gtk_button_new_with_label ("stop");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC(stop_timeout_test),
                    NULL);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area), 
                    button, TRUE, TRUE, 0);
      gtk_widget_show (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

/*
 * Idle Test
 */

static int idle_id = 0;

static gint
idle_test (GtkWidget *label)
{
  static int count = 0;
  static char buffer[32];

  sprintf (buffer, "count: %d", ++count);
  gtk_label_set_text (GTK_LABEL (label), buffer);

  return TRUE;
}

static void
start_idle_test (GtkWidget *widget,
             GtkWidget *label)
{
  if (!idle_id)
    {
      idle_id = gtk_idle_add ((GtkFunction) idle_test, label);
    }
}

static void
stop_idle_test (GtkWidget *widget,
            gpointer   data)
{
  if (idle_id)
    {
      gtk_idle_remove (idle_id);
      idle_id = 0;
    }
}

static void
destroy_idle_test (GtkWidget  *widget,
               GtkWidget **window)
{
  stop_idle_test (NULL, NULL);

  *window = NULL;
}

static void
toggle_idle_container (GtkObject *button,
                   GtkContainer *container)
{
  gtk_container_set_resize_mode (container, GPOINTER_TO_INT (gtk_object_get_user_data (button)));
}

static void
create_idle_test (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *button;
  GtkWidget *label;
  GtkWidget *container;

  if (!window)
    {
      GtkWidget *frame;
      GtkWidget *box;

      window = gtk_dialog_new ();

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(destroy_idle_test),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "Idle Test");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      label = gtk_label_new ("count: 0");
      gtk_misc_set_padding (GTK_MISC (label), 10, 10);
      gtk_widget_show (label);
      
      container =
      gtk_widget_new (GTK_TYPE_HBOX,
                  "GtkWidget::visible", TRUE,
                  /* "GtkContainer::child", gtk_widget_new (GTK_TYPE_HBOX,
                   * "GtkWidget::visible", TRUE,
                   */
                   "GtkContainer::child", label,
                  /* NULL), */
                  NULL);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->vbox), 
                    container, TRUE, TRUE, 0);

      frame =
      gtk_widget_new (GTK_TYPE_FRAME,
                  "GtkContainer::border_width", 5,
                  "GtkFrame::label", "Label Container",
                  "GtkWidget::visible", TRUE,
                  "GtkWidget::parent", GTK_DIALOG (window)->vbox,
                  NULL);
      box =
      gtk_widget_new (GTK_TYPE_VBOX,
                  "GtkWidget::visible", TRUE,
                  "GtkWidget::parent", frame,
                  NULL);
      button =
      gtk_widget_new (GTK_TYPE_RADIO_BUTTON,
                  "GtkButton::label", "Resize-Parent",
                  "GtkObject::user_data", (void*)GTK_RESIZE_PARENT,
                  "GtkObject::signal::clicked", toggle_idle_container, container,
                  "GtkWidget::visible", TRUE,
                  "GtkWidget::parent", box,
                  NULL);
      button =
      gtk_widget_new (GTK_TYPE_RADIO_BUTTON,
                  "GtkButton::label", "Resize-Queue",
                  "GtkObject::user_data", (void*)GTK_RESIZE_QUEUE,
                  "GtkObject::signal::clicked", toggle_idle_container, container,
                  "GtkRadioButton::group", button,
                  "GtkWidget::visible", TRUE,
                  "GtkWidget::parent", box,
                  NULL);
      button =
      gtk_widget_new (GTK_TYPE_RADIO_BUTTON,
                  "GtkButton::label", "Resize-Immediate",
                  "GtkObject::user_data", (void*)GTK_RESIZE_IMMEDIATE,
                  "GtkObject::signal::clicked", toggle_idle_container, container,
                  "GtkRadioButton::group", button,
                  "GtkWidget::visible", TRUE,
                  "GtkWidget::parent", box,
                  NULL);
      

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area), 
                    button, TRUE, TRUE, 0);
      gtk_widget_grab_default (button);
      gtk_widget_show (button);

      button = gtk_button_new_with_label ("start");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC(start_idle_test),
                    label);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area), 
                    button, TRUE, TRUE, 0);
      gtk_widget_show (button);

      button = gtk_button_new_with_label ("stop");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC(stop_idle_test),
                    NULL);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area), 
                    button, TRUE, TRUE, 0);
      gtk_widget_show (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

/*
 * rc file test
 */

void
reload_rc_file (void)
{
  GList *toplevels;

  if (gtk_rc_reparse_all ())
    {
      toplevels = gdk_window_get_toplevels();
      while (toplevels)
      {
        GtkWidget *widget;
        gdk_window_get_user_data (toplevels->data, (gpointer *)&widget);
        
        if (widget)
          gtk_widget_reset_rc_styles (widget);
        
        toplevels = toplevels->next;
      }
      g_list_free (toplevels);
    }
}

void
reload_all_rc_files (void)
{
  static GdkAtom atom_rcfiles = GDK_NONE;

  GdkEventClient sev;
  int i;
  
  if (!atom_rcfiles)
    atom_rcfiles = gdk_atom_intern("_GTK_READ_RCFILES", FALSE);

  for(i = 0; i < 5; i++)
    sev.data.l[i] = 0;
  sev.data_format = 32;
  sev.message_type = atom_rcfiles;
  gdk_event_send_clientmessage_toall ((GdkEvent *) &sev);
}

void
create_rc_file (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *button;

  if (!window)
    {
      window = gtk_dialog_new ();

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(destroy_idle_test),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "Reload Rc file");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);

      button = gtk_button_new_with_label ("Reload");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC(reload_rc_file), NULL);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area), 
                    button, TRUE, TRUE, 0);
      gtk_widget_grab_default (button);
      gtk_widget_show (button);

      button = gtk_button_new_with_label ("Reload All");
      gtk_signal_connect (GTK_OBJECT (button), "clicked",
                    GTK_SIGNAL_FUNC(reload_all_rc_files), NULL);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area), 
                    button, TRUE, TRUE, 0);
      gtk_widget_show (button);

      button = gtk_button_new_with_label ("Close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC(gtk_widget_destroy),
                         GTK_OBJECT (window));
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area), 
                    button, TRUE, TRUE, 0);
      gtk_widget_show (button);

    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show (window);
  else
    gtk_widget_destroy (window);
}

/*
 * Test of recursive mainloop
 */

void
mainloop_destroyed (GtkWidget *w, GtkWidget **window)
{
  *window = NULL;
  gtk_main_quit ();
}

void
create_mainloop (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *label;
  GtkWidget *button;

  if (!window)
    {
      window = gtk_dialog_new ();

      gtk_window_set_title (GTK_WINDOW (window), "Test Main Loop");

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(mainloop_destroyed),
                    &window);

      label = gtk_label_new ("In recursive main loop...");
      gtk_misc_set_padding (GTK_MISC(label), 20, 20);

      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->vbox), label,
                    TRUE, TRUE, 0);
      gtk_widget_show (label);

      button = gtk_button_new_with_label ("Leave");
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->action_area), button, 
                    FALSE, TRUE, 0);

      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                         GTK_SIGNAL_FUNC (gtk_widget_destroy),
                         GTK_OBJECT (window));

      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);

      gtk_widget_show (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    {
      gtk_widget_show (window);

      g_print ("create_mainloop: start\n");
      gtk_main ();
      g_print ("create_mainloop: done\n");
    }
  else
    gtk_widget_destroy (window);
}

gint
layout_expose_handler (GtkWidget *widget, GdkEventExpose *event)
{
  GtkLayout *layout;

  gint i,j;
  gint imin, imax, jmin, jmax;
  
  layout = GTK_LAYOUT (widget);

  imin = (layout->xoffset + event->area.x) / 10;
  imax = (layout->xoffset + event->area.x + event->area.width + 9) / 10;

  jmin = (layout->yoffset + event->area.y) / 10;
  jmax = (layout->yoffset + event->area.y + event->area.height + 9) / 10;

  gdk_window_clear_area (widget->window,
                   event->area.x, event->area.y,
                   event->area.width, event->area.height);

  for (i=imin; i<imax; i++)
    for (j=jmin; j<jmax; j++)
      if ((i+j) % 2)
      gdk_draw_rectangle (layout->bin_window,
                      widget->style->black_gc,
                      TRUE,
                      10*i - layout->xoffset, 10*j - layout->yoffset, 
                      1+i%10, 1+j%10);
  
  return TRUE;
}

void create_layout (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *layout;
  GtkWidget *scrolledwindow;
  GtkWidget *button;

  if (!window)
    {
      gchar buf[16];

      gint i, j;
      
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      gtk_signal_connect (GTK_OBJECT (window), "destroy",
                    GTK_SIGNAL_FUNC(gtk_widget_destroyed),
                    &window);

      gtk_window_set_title (GTK_WINDOW (window), "Layout");
      gtk_widget_set_usize (window, 200, 200);

      scrolledwindow = gtk_scrolled_window_new (NULL, NULL);

      gtk_container_add (GTK_CONTAINER (window), scrolledwindow);
      
      layout = gtk_layout_new (NULL, NULL);
      gtk_container_add (GTK_CONTAINER (scrolledwindow), layout);

      /* We set step sizes here since GtkLayout does not set
       * them itself.
       */
      GTK_LAYOUT (layout)->hadjustment->step_increment = 10.0;
      GTK_LAYOUT (layout)->vadjustment->step_increment = 10.0;
      
      gtk_widget_set_events (layout, GDK_EXPOSURE_MASK);
      gtk_signal_connect (GTK_OBJECT (layout), "expose_event",
                    GTK_SIGNAL_FUNC (layout_expose_handler), NULL);
      
      gtk_layout_set_size (GTK_LAYOUT (layout), 1600, 128000);
      
      for (i=0 ; i < 16 ; i++)
      for (j=0 ; j < 16 ; j++)
        {
          sprintf(buf, "Button %d, %d", i, j);
          if ((i + j) % 2)
            button = gtk_button_new_with_label (buf);
          else
            button = gtk_label_new (buf);

          gtk_layout_put (GTK_LAYOUT (layout), button,
                      j*100, i*100);
        }

      for (i=16; i < 1280; i++)
      {
        sprintf(buf, "Button %d, %d", i, 0);
        if (i % 2)
          button = gtk_button_new_with_label (buf);
        else
          button = gtk_label_new (buf);

        gtk_layout_put (GTK_LAYOUT (layout), button,
                    0, i*100);
      }
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * Main Window and Exit
 */

void
do_exit (GtkWidget *widget, GtkWidget *window)
{
  gtk_widget_destroy (window);
  gtk_main_quit ();
}

void
create_main_window (void)
{
  struct {
    char *label;
    void (*func) ();
  } buttons[] =
    {
      { "button box", create_button_box },
      { "buttons", create_buttons },
      { "check buttons", create_check_buttons },
      { "clist", create_clist},
      { "color selection", create_color_selection },
      { "ctree", create_ctree },
      { "cursors", create_cursors },
      { "dialog", create_dialog },
      /*      { "dnd", create_dnd }, */
      { "entry", create_entry },
      { "event watcher", create_event_watcher },
      { "file selection", create_file_selection },
      { "font selection", create_font_selection },
      { "gamma curve", create_gamma_curve },
      { "handle box", create_handle_box },
      { "item factory", create_item_factory },
      { "labels", create_labels },
      { "layout", create_layout },
      { "list", create_list },
      { "menus", create_menus },
      { "modal window", create_modal_window },
      { "notebook", create_notebook },
      { "panes", create_panes },
      { "pixmap", create_pixmap },
      { "preview color", create_color_preview },
      { "preview gray", create_gray_preview },
      { "progress bar", create_progress_bar },
      { "radio buttons", create_radio_buttons },
      { "range controls", create_range_controls },
      { "rc file", create_rc_file },
      { "reparent", create_reparent },
      { "rulers", create_rulers },
      { "saved position", create_saved_position },
      { "scrolled windows", create_scrolled_windows },
      { "shapes", create_shapes },
      { "spinbutton", create_spins },
      { "statusbar", create_statusbar },
      { "test idle", create_idle_test },
      { "test mainloop", create_mainloop },
      { "test scrolling", create_scroll_test },
      { "test selection", create_selection_test },
      { "test timeout", create_timeout_test },
      { "text", create_text },
      { "toggle buttons", create_toggle_buttons },
      { "toolbar", create_toolbar },
      { "tooltips", create_tooltips },
      { "tree", create_tree_mode_window},
      { "WM hints", create_wmhints },
    };
  int nbuttons = sizeof (buttons) / sizeof (buttons[0]);
  GtkWidget *window;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *scrolled_window;
  GtkWidget *button;
  GtkWidget *label;
  gchar buffer[64];
  GtkWidget *separator;
  int i;

  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  gtk_window_set_policy (GTK_WINDOW (window), FALSE, FALSE, FALSE);
  gtk_widget_set_name (window, "main window");
  gtk_widget_set_usize (window, 200, 400);
  gtk_widget_set_uposition (window, 20, 20);

  gtk_signal_connect (GTK_OBJECT (window), "destroy",
                  GTK_SIGNAL_FUNC(gtk_main_quit),
                  NULL);
  gtk_signal_connect (GTK_OBJECT (window), "delete-event",
                  GTK_SIGNAL_FUNC (gtk_false),
                  NULL);

  box1 = gtk_vbox_new (FALSE, 0);
  gtk_container_add (GTK_CONTAINER (window), box1);

  if (gtk_micro_version > 0)
    sprintf (buffer,
           "Gtk+ v%d.%d.%d",
           gtk_major_version,
           gtk_minor_version,
           gtk_micro_version);
  else
    sprintf (buffer,
           "Gtk+ v%d.%d",
           gtk_major_version,
           gtk_minor_version);

  label = gtk_label_new (buffer);
  gtk_box_pack_start (GTK_BOX (box1), label, FALSE, FALSE, 0);

  scrolled_window = gtk_scrolled_window_new (NULL, NULL);
  gtk_container_set_border_width (GTK_CONTAINER (scrolled_window), 10);
  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
                              GTK_POLICY_AUTOMATIC, 
                                  GTK_POLICY_AUTOMATIC);
  gtk_box_pack_start (GTK_BOX (box1), scrolled_window, TRUE, TRUE, 0);

  box2 = gtk_vbox_new (FALSE, 0);
  gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
  gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolled_window), box2);
  gtk_container_set_focus_vadjustment (GTK_CONTAINER (box2),
                               gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (scrolled_window)));
  gtk_widget_show (box2);

  for (i = 0; i < nbuttons; i++)
    {
      button = gtk_button_new_with_label (buttons[i].label);
      if (buttons[i].func)
        gtk_signal_connect (GTK_OBJECT (button), 
                      "clicked", 
                      GTK_SIGNAL_FUNC(buttons[i].func),
                      NULL);
      else
        gtk_widget_set_sensitive (button, FALSE);
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
    }

  separator = gtk_hseparator_new ();
  gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);

  box2 = gtk_vbox_new (FALSE, 10);
  gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
  gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

  button = gtk_button_new_with_label ("close");
  gtk_signal_connect (GTK_OBJECT (button), "clicked",
                  GTK_SIGNAL_FUNC (do_exit),
                  window);
  gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
  GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
  gtk_widget_grab_default (button);

  gtk_widget_show_all (window);
}

int
main (int argc, char *argv[])
{
  GtkBindingSet *binding_set;
  struct stat statbuf;

  srand (time (NULL));

  gtk_set_locale ();

  /* Check to see if we are being run from the correct
   * directory.
   */
  if (stat("./testgtkrc", &statbuf) < 0)
    {
      fprintf (stderr, "*** The testgtk program must be run from within the\n"
                     "*** gtk/ subdirectory of the GTK+ distribution.\n");
      exit (1);
    }

  gtk_rc_add_default_file ("testgtkrc");

  gtk_init (&argc, &argv);

  gdk_rgb_init ();

  /* bindings test
   */
  binding_set = gtk_binding_set_by_class (gtk_type_class (GTK_TYPE_WIDGET));
  gtk_binding_entry_add_signal (binding_set,
                        '9', GDK_CONTROL_MASK | GDK_RELEASE_MASK,
                        "debug_msg",
                        1,
                        GTK_TYPE_STRING, "GtkWidgetClass <ctrl><release>9 test");

  create_main_window ();

  gtk_main ();

  return 0;
}

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