Index: uspace/lib/ui/test/wdecor.c
===================================================================
--- uspace/lib/ui/test/wdecor.c	(revision 46a47c0ecde5eec9824d8b22b70d9238a2b3a58e)
+++ uspace/lib/ui/test/wdecor.c	(revision b67ce1ff250eabb833d2fa9ed4ac8963bcc2f342)
@@ -1,4 +1,4 @@
 /*
- * Copyright (c) 2022 Jiri Svoboda
+ * Copyright (c) 2023 Jiri Svoboda
  * All rights reserved.
  *
@@ -68,5 +68,5 @@
 static void test_wdecor_move(ui_wdecor_t *, void *, gfx_coord2_t *);
 static void test_wdecor_resize(ui_wdecor_t *, void *, ui_wdecor_rsztype_t,
-    gfx_coord2_t *);
+    gfx_coord2_t *, sysarg_t);
 static void test_wdecor_set_cursor(ui_wdecor_t *, void *, ui_stock_cursor_t);
 
@@ -108,4 +108,5 @@
 	bool move;
 	gfx_coord2_t pos;
+	sysarg_t pos_id;
 	bool resize;
 	ui_wdecor_rsztype_t rsztype;
@@ -373,4 +374,5 @@
 	ui_wdecor_rsztype_t rsztype;
 	gfx_coord2_t pos;
+	sysarg_t pos_id;
 
 	rc = ui_wdecor_create(NULL, "Hello", ui_wds_none, &wdecor);
@@ -380,11 +382,12 @@
 	pos.x = 3;
 	pos.y = 4;
+	pos_id = 5;
 
 	/* Resize callback with no callbacks set */
-	ui_wdecor_resize(wdecor, rsztype, &pos);
+	ui_wdecor_resize(wdecor, rsztype, &pos, pos_id);
 
 	/* Resize callback with move callback not implemented */
 	ui_wdecor_set_cb(wdecor, &dummy_wdecor_cb, NULL);
-	ui_wdecor_resize(wdecor, rsztype, &pos);
+	ui_wdecor_resize(wdecor, rsztype, &pos, pos_id);
 
 	/* Resize callback with real callback set */
@@ -394,9 +397,10 @@
 	resp.pos.y = 0;
 	ui_wdecor_set_cb(wdecor, &test_wdecor_cb, &resp);
-	ui_wdecor_resize(wdecor, rsztype, &pos);
+	ui_wdecor_resize(wdecor, rsztype, &pos, pos_id);
 	PCUT_ASSERT_TRUE(resp.resize);
 	PCUT_ASSERT_INT_EQUALS(rsztype, resp.rsztype);
 	PCUT_ASSERT_INT_EQUALS(pos.x, resp.pos.x);
 	PCUT_ASSERT_INT_EQUALS(pos.y, resp.pos.y);
+	PCUT_ASSERT_INT_EQUALS(pos_id, resp.pos_id);
 
 	ui_wdecor_destroy(wdecor);
@@ -1080,5 +1084,5 @@
 
 static void test_wdecor_resize(ui_wdecor_t *wdecor, void *arg,
-    ui_wdecor_rsztype_t rsztype, gfx_coord2_t *pos)
+    ui_wdecor_rsztype_t rsztype, gfx_coord2_t *pos, sysarg_t pos_id)
 {
 	test_cb_resp_t *resp = (test_cb_resp_t *) arg;
@@ -1087,4 +1091,5 @@
 	resp->rsztype = rsztype;
 	resp->pos = *pos;
+	resp->pos_id = pos_id;
 }