fixed a bug in CGUIEnvironment::clear() reported by Jacky_J

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@718 dfc29bdd-3216-0410-991c-e03cc46cb475

changes.txt

@@ -160,6 +160,7 @@ GUI:
 
   - Fixed a small bug with click areas in combo boxes.
 
+  - Fixed a bug in clear() when an element was hovered or had focus
 
 GUI Editor:
 

source/Irrlicht/CGUIEnvironment.cpp

@@ -272,6 +272,20 @@ IOSOperator* CGUIEnvironment::getOSOperator()
 //! clear all GUI elements
 void CGUIEnvironment::clear()
 {
+
+	// Remove the focus
+	if (Focus)
+	{
+		Focus->drop();
+		Focus = 0;
+	}
+
+	if (Hovered && Hovered != this)
+	{
+		Hovered->drop();
+		Hovered = 0;
+	}
+
 	// get the root's children in case the root changes in future
 	const core::list<IGUIElement*>& children = getRootGUIElement()->getChildren();