Index: uspace/srv/hid/compositor/compositor.c
===================================================================
--- uspace/srv/hid/compositor/compositor.c	(revision d9be488aaf4d20f1c61c594ac3595cdf66202e01)
+++ uspace/srv/hid/compositor/compositor.c	(revision 8cffdf5617a1f3e25f0ecdc728addb5bdd6718c2)
@@ -665,9 +665,9 @@
 	transform_identity(&transform);
 	temp = transform;
-	transform_multiply(&transform, &temp, &translate);
+	transform_product(&transform, &temp, &translate);
 	temp = transform;
-	transform_multiply(&transform, &temp, &rotate);
+	transform_product(&transform, &temp, &rotate);
 	temp = transform;
-	transform_multiply(&transform, &temp, &scale);
+	transform_product(&transform, &temp, &scale);
 	
 	win->transform = transform;
@@ -1839,8 +1839,8 @@
 				break;
 			case KC_Q:
-				win->angle += (PI / 2);
+				win->angle += 0.1;
 				break;
 			case KC_E:
-				win->angle += -(PI / 2);
+				win->angle -= 0.1;
 				break;
 			case KC_R: