westoy: Remove unused support for window parents
It seems that this was only used by the popup menu infrastructure,
which can handle this all on its own. Implementing e.g. transients
in the future can be done with a simple xdg_shell_set_transient_for.
diff --git a/clients/window.h b/clients/window.h
index 59e483e..d5e40ed 100644
--- a/clients/window.h
+++ b/clients/window.h
@@ -214,7 +214,7 @@
struct input *input,
int32_t x, int32_t y, void *data);
-typedef void (*window_close_handler_t)(struct window *window, void *data);
+typedef void (*window_close_handler_t)(void *data);
typedef void (*window_fullscreen_handler_t)(struct window *window, void *data);
typedef void (*window_output_handler_t)(struct window *window, struct output *output,