void poke_objects();

struct global_variables {
	GtkWindow *window;
	GtkStack *stack;
	GtkBuilder *builder;
};

GtkWidget *
create_header_button(GtkHeaderBar *header, const gchar *tooltip,
		     const gchar *icon_name, gboolean end, GCallback callback,
		     gpointer user_data);

gulong _g_signal_replace(gpointer instance, const gchar *detailed_signal, GCallback c_handler, gpointer data, GConnectFlags flags);

static inline gulong
g_signal_replace(gpointer instance, const gchar *detailed_signal, GCallback c_handler, gpointer data)
{
	return _g_signal_replace(instance, detailed_signal, c_handler, data, 0);
}

static inline gulong
g_signal_replace_swapped(gpointer instance, const gchar *detailed_signal, GCallback c_handler, gpointer data)
{
	return _g_signal_replace(instance, detailed_signal, c_handler, data, G_CONNECT_SWAPPED);
}

gulong _g_signal_replace_id(const gchar *widget_id, const gchar *detailed_signal, GCallback c_handler, gpointer data, GConnectFlags flags);

static inline gulong
g_signal_replace_id(const gchar *widget_id, const gchar *detailed_signal, GCallback c_handler, gpointer data)
{
	return _g_signal_replace_id(widget_id, detailed_signal, c_handler, data, 0);
}

static inline gulong
g_signal_replace_id_swapped(const gchar *widget_id, const gchar *detailed_signal, GCallback c_handler, gpointer data)
{
	return _g_signal_replace_id(widget_id, detailed_signal, c_handler, data, G_CONNECT_SWAPPED);
}

extern struct global_variables *global;

static inline GObject *
get_object(const gchar *object_id)
{
	return gtk_builder_get_object(global->builder, object_id);
}