IGUIElement::getElementFromPoint now virtual.

Was needed because just having isPointInside virtual doesn't allow controlling sub-element behavior.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4787 dfc29bdd-3216-0410-991c-e03cc46cb475

changes.txt

 --------------------------
 Changes in 1.9 (not yet released)
 
+- IGUIElement::getElementFromPoint now virtual
 - Fixed issue with wrongly enabled Z-writing for transparent shader materials. Thanks Hendu for this fix.
 - Allow more control over particle behavior. This also changed the default behavior.
 - ISceneNodeAnimators can now be disabled and paused.

include/IGUIElement.h

@@ -239,14 +239,14 @@ public:
 	\return The topmost GUI element at that point, or 0 if there are
 	no candidate elements at this point.
 	*/
-	IGUIElement* getElementFromPoint(const core::position2d<s32>& point)
+	virtual IGUIElement* getElementFromPoint(const core::position2d<s32>& point)
 	{
 		IGUIElement* target = 0;
 
 		// we have to search from back to front, because later children
 		// might be drawn over the top of earlier ones.
 
-		core::list<IGUIElement*>::Iterator it = Children.getLast();
+		core::list<IGUIElement*>::ConstIterator it = Children.getLast();
 
 		if (isVisible())
 		{