+
+/* ----------------------------------------------------------------------
+ * GTK front end to puzzles.
+ */
+
+/*
+ * This structure holds all the data relevant to a single window.
+ * In principle this would allow us to open multiple independent
+ * puzzle windows, although I can't currently see any real point in
+ * doing so. I'm just coding cleanly because there's no
+ * particularly good reason not to.
+ */
+struct window_data {
+ GtkWidget *window;
+};
+
+static void destroy(GtkWidget *widget, gpointer data)
+{
+ gtk_main_quit();
+}
+
+static struct window_data *new_window(void)
+{
+ struct window_data *wdata;
+
+ wdata = snew(struct window_data);
+
+ wdata->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+ gtk_signal_connect(GTK_OBJECT(wdata->window), "destroy",
+ GTK_SIGNAL_FUNC(destroy), wdata);
+ gtk_widget_show(wdata->window);
+ return wdata;
+}
+
+int main(int argc, char **argv)
+{
+ gtk_init(&argc, &argv);
+ (void) new_window();
+ gtk_main();
+
+ return 0;
+}