how to display busy cursor

interesting post on gtk-app-devel-list@gnome.org mailing list

void busy_stuff ()
{
GdkDisplay *display;
GdkCursor *cursor;
GdkWindow *window;
gint x, y;

cursor = gdk_cursor_new(GDK_WATCH);

display = gdk_display_get_default();
window = gdk_display_get_window_at_pointer(disp, &x, &y);

gdk_window_set_cursor(window, cursor);
gdk_display_sync(display);
gdk_cursor_unref(cursor);

/* do time-consuming stuff here */

gdk_window_set_cursor(window, NULL);
}

gdk_cursor_unref() prevent memory leak

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