#include <gtk/gtk.h>

/*
 * This program creates two windows, and calls
 * gtk_window_set_decorated(..., FALSE) on both. The first window is
 * shown before the set_decorated call, the second window is shown
 * after the set_decorated call. On Ubuntu < 10.04, both windows do
 * not have WM decorations, as expected. However, on Ubuntu 10.04, the
 * window that was shown after the call to set_decorated will still
 * have WM decorations.
 */

int main(int argc, char *argv[]) {
   gtk_init(&argc, &argv);

   GtkWidget* window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
   gtk_widget_show(window);
   gtk_window_set_decorated(GTK_WINDOW(window), FALSE);

   GtkWidget* label = gtk_label_new("I shouldn't have decorations, and I won't");
   gtk_widget_show(label);
   gtk_container_add(GTK_CONTAINER(window), label);

   GtkWidget* window2 = gtk_window_new(GTK_WINDOW_TOPLEVEL);
   gtk_window_set_decorated(GTK_WINDOW(window2), FALSE);
   gtk_widget_show(window2);

   GtkWidget* label2 = gtk_label_new("I shouldn't have decorations, and I will");
   gtk_widget_show(label2);
   gtk_container_add(GTK_CONTAINER(window2), label2);

   gtk_main();
   return 0;
}