fully show last control in vertical SimpleWindow

simplewindow-test/source/PlayState.kiss

@@ -14,7 +14,7 @@
         ->:Void choice 
             (case choice
                 ("Vertical"
-                    null)
+                    (verticalMenu))
                 ("Menu"
                     (subMenu))
                 ("Quit"
@@ -41,5 +41,14 @@
             [=>B "tab"])
         (window.show)))
 
+(method verticalMenu []
+    (let [window (new SimpleWindow "Vertical Menu" true)]
+        (set window.onClose ->:Void {(window.hide)(showMenu)})
+        (window.enableVerticalScrolling)
+        (doFor num (range 50)
+            (window.makeText "$num"))
+        (window.enableGamepadInput true)
+        (window.show)))
+
 (method &override :Void update [:Float elapsed]
     (super.update elapsed))

src/kiss_flixel/SimpleWindow.kiss

@@ -115,7 +115,7 @@
         :String upKey (or _upKey defaultUpKey)
         :String downKey (or _downKey defaultDownKey)
         :String enterKey (or _enterKey defaultEnterKey)
-        :ShortcutAction onClose _onClose
+        &mut :ShortcutAction onClose _onClose
         :FlxTypedGroup<FlxSprite> controls (new FlxTypedGroup)
         :FlxKeyShortcutHandler<ShortcutAction> keyHandler (new FlxKeyShortcutHandler)
         // The xHandler exists so that when keyboard shortcuts are disabled,
@@ -282,8 +282,9 @@
     (apply or (for _ (range SCROLL_LINES) (_scrollDown))))
 
 (method :Bool _scrollDown []
-    (let [:kiss.List<FlxSprite> controls (_nonUIControls)]
+    (let [:kiss.List<FlxSprite> controls (_nonUIControls)
-        (when (< .y (last controls) _height)
+            lastControl (last controls)]
+        (when (< (+ lastControl.y lastControl.height)  _height)
             (return false))
         (doFor c controls
             (-= c.y c.height)