compositor: add wlsc_input_device_fini()

Add a function for destroying all objects allocated in
wlsc_input_device_init().

This patch depends on "server: add wl_input_device_fini()" commit in the
Wayland core.

Compositor backends could now call wlsc_input_device_fini() to fix some
memory leaks.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>

compositor/compositor.c

@@ -1677,6 +1677,18 @@ wlsc_input_device_init(struct wlsc_input_device *device,
 	device->selection_data_source = NULL;
 }
 
+WL_EXPORT void
+wlsc_input_device_fini(struct wlsc_input_device *device)
+{
+	wl_list_remove(&device->link);
+	/* The global object is destroyed at wl_display_destroy() time. */
+
+	if (device->sprite)
+		destroy_surface(&device->sprite->surface.resource);
+
+	wl_input_device_fini(&device->input_device);
+}
+
 static void
 bind_output(struct wl_client *client,
 	    void *data, uint32_t version, uint32_t id)

compositor/compositor.h

@@ -407,6 +407,9 @@ void
 wlsc_input_device_init(struct wlsc_input_device *device,
 		       struct wlsc_compositor *ec);
 
+void
+wlsc_input_device_fini(struct wlsc_input_device *device);
+
 void
 wlsc_switcher_init(struct wlsc_compositor *compositor);