IGUIEnvironment::getNextElement now public (was only in CGUIEnvironment before).

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4737 dfc29bdd-3216-0410-991c-e03cc46cb475

changes.txt

 --------------------------
 Changes in 1.9 (not yet released)
 
+- IGUIEnvironment::getNextElement now public (was only in CGUIEnvironment before).
 - Add an overwrite mode to editbox. Patch provided by Adam(aka kingadami).
 - Add IGUIImages::setDrawBounds/getDrawBounds to allow coding stuff like progress bars.
 - Add IGUIImages::setSourceRect/getSourceRect to allow using only parts of an image (can also be used to mirror and scroll them).

include/IGUIEnvironment.h

@@ -611,6 +611,14 @@ public:
 
 	//! reads an element
 	virtual void readGUIElement(io::IXMLReader* reader, IGUIElement* node) =0;
+
+	//! Find the next element which would be selected when pressing the tab-key
+	/** If you set the focus for the result you can manually force focus-changes like they
+	would happen otherwise by the tab-keys.
+	\param reverse When true it will search backward (toward lower TabOrder numbers, like shift+tab)
+	\param group When true it will search for the next tab-group (like ctrl+tab)
+	*/
+	virtual IGUIElement* getNextElement(bool reverse=false, bool group=false) = 0;
 };
 
 

source/Irrlicht/CGUIEnvironment.h

@@ -259,9 +259,10 @@ public:
 	//! reads an element
 	virtual void readGUIElement(io::IXMLReader* reader, IGUIElement* node) _IRR_OVERRIDE_;
 
-private:
+	//! Find the next element which would be selected when pressing the tab-key
+	virtual IGUIElement* getNextElement(bool reverse=false, bool group=false);
 
-	IGUIElement* getNextElement(bool reverse=false, bool group=false);
+private:
 
 	void updateHoveredElement(core::position2d<s32> mousePos);