frames can be centered on screen now

2 files changed, 7 insertions, 1 deletions

diff --git a/src/swing/scala/swing/Frame.scala b/src/swing/scala/swing/Frame.scala
index 4e82ad1e58..c06e6f9538 100644
--- a/src/swing/scala/swing/Frame.scala
+++ b/src/swing/scala/swing/Frame.scala
@@ -35,6 +35,7 @@ class Frame extends UIElement with RootPanel with Publisher {
   def menuBar_=(m: MenuBar) = peer.setJMenuBar(m.peer)
 
   def setLocationRelativeTo(c: UIElement) { peer.setLocationRelativeTo(c.peer) }
+  def centerOnScreen() { peer.setLocationRelativeTo(null) }
   def location_=(p: Point) { peer.setLocation(p) }
 
   def iconImage: Image = peer.getIconImage
diff --git a/src/swing/scala/swing/test/UIDemo.scala b/src/swing/scala/swing/test/UIDemo.scala
index 716bdd6694..5f1cd93bb8 100644
--- a/src/swing/scala/swing/test/UIDemo.scala
+++ b/src/swing/scala/swing/test/UIDemo.scala
@@ -38,6 +38,7 @@ object UIDemo extends SimpleGUIApplication {
         import TabbedPane._
         val buttons = new FlowPanel {
           border = Swing.EmptyBorder(5,5,5,5)
+
           contents += new BoxPanel(Orientation.Vertical) {
             border = CompoundBorder(TitledBorder(EtchedBorder, "Radio Buttons"), EmptyBorder(5,5,5,10))
             val a = new RadioButton("Green Vegetables")
@@ -65,6 +66,11 @@ object UIDemo extends SimpleGUIApplication {
     		    reactLive = live.selected
     		}
           }
+          contents += new Button("Center Frame") {
+            reactions += {
+              case ButtonClicked(_) => centerOnScreen()
+            }
+          }
         }
         pages += new Page("Buttons", buttons)
         pages += new Page("GridBag", GridBagDemo.ui)
@@ -79,7 +85,6 @@ object UIDemo extends SimpleGUIApplication {
         val password = new FlowPanel {
           contents += new Label("Enter your secret password here ")
           val field = new PasswordField(10)
-
           contents += field
           val label = new Label(field.text)
           contents += label