--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Tools/jEdit/src/popup.scala Wed Aug 28 15:14:58 2013 +0200
@@ -0,0 +1,33 @@
+/* Title: Tools/jEdit/src/popup.scala
+ Author: Makarius
+
+Simple popup within layered pane, based on component with given geometry.
+*/
+
+package isabelle.jedit
+
+
+import isabelle._
+
+import javax.swing.{JLayeredPane, JComponent}
+
+
+class Popup(
+ layered: JLayeredPane,
+ component: JComponent) extends javax.swing.Popup()
+{
+ override def show
+ {
+ component.setOpaque(true)
+ layered.add(component, JLayeredPane.POPUP_LAYER)
+ layered.repaint(component.getBounds())
+ }
+
+ override def hide
+ {
+ val bounds = component.getBounds()
+ layered.remove(component)
+ layered.repaint(bounds)
+ }
+}
+