/*
 * gcc dumpage.c -o dumpage `pkg-config --cflags --libs gtk+-2.0` -W -Wall -g
 *
 * type foo.  hit tab twice.  type bar.  hit tab twice.  you'll see a bunch
 * of assertions.  type foo.  hit tab twice.  crash.
 */
#include <gtk/gtk.h>

gboolean
on_entry_focus_out (GtkWidget * entry,
                    GdkEvent * event)
{
    GtkWidget * parent;
    const gchar * text;
    GList * kids, * k;
    GtkWidget * checkbox;

    g_object_get (G_OBJECT (entry), "parent", &parent, NULL);
    text = gtk_entry_get_text (GTK_ENTRY (entry));
    kids = gtk_container_get_children (GTK_CONTAINER (parent));
    for (k = kids ; k != NULL ; k = k->next) {
        g_printerr ("child %p\n", k->data);
        if (GTK_IS_CHECK_BUTTON (k->data)) {
            g_printerr ("destroying %p\n", k->data);
            gtk_widget_hide (GTK_WIDGET (k->data));
            gtk_container_remove (GTK_CONTAINER (parent), k->data);
        }
    }
    checkbox = gtk_check_button_new_with_label (text);
    g_printerr ("adding %p\n", checkbox);
    gtk_container_add (GTK_CONTAINER (parent), checkbox);
    gtk_widget_show_all (parent);
    return FALSE;
}


int
main (int argc,
      char * argv[])
{
    GtkWidget * window;
    GtkWidget * frame;
    GtkWidget * vbox;
    GtkWidget * entry;

    gtk_init (&argc, &argv);

    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    frame = gtk_frame_new (NULL);
    gtk_container_add (GTK_CONTAINER (window), frame);
    vbox = gtk_vbox_new (FALSE, 5);
    gtk_container_add (GTK_CONTAINER (frame), vbox);
    entry = gtk_entry_new ();
    g_printerr ("entry is %p\n", entry);
    gtk_container_add (GTK_CONTAINER (vbox), entry);
    g_signal_connect (entry, "focus-out-event",
                      G_CALLBACK (on_entry_focus_out), NULL);
    gtk_widget_show_all (window);
    gtk_main ();
    return 0;
}