diff --git a/src/packages.scm b/src/packages.scm
index bd4e60f..27deb4a 100644
--- a/src/packages.scm
+++ b/src/packages.scm
@@ -14,7 +14,7 @@
 	  string->keys string->key key:keycode key:modifiers
 
 	  reparent-to-root window-path
-	  window-viewable?
+	  window-viewable? window-mapped?
 	  window-focused?
 	  window-contains-focus?
 	  take-focus delete-window
@@ -26,7 +26,7 @@
 	  invalidate-window
 	  text-center-pos
 	  window-level
-	  point-in-rectangle?
+	  point-in-rectangle? rectangles-overlap?
 	  set-wm-state! get-wm-state ((wm-state) :syntax)
 	  send-configuration
 
@@ -99,7 +99,7 @@
 	  wm-clients wm-current-client
 
 	  wm-manage-window wm-unmanage-window wm-select-client
-	  wm-configure-window
+	  wm-configure-window wm-iconify-window wm-maximize-window
 
 	  client? client:window client:client-window
 	  client:data set-client:data!
@@ -125,7 +125,8 @@
 	manager key-grab
 	utils dragging titlebar)
   (files move-wm
-	 move-wm-resizer))
+	 move-wm-resizer
+	 move-wm-icon))
 
 ;; *** split manager *************************************************