IrrlichtMt: Add scrollbar support to CGUIEditBox

irr/include/CGUIEditBox.h

@@ -188,6 +188,7 @@ protected:
 	s32 MarkBegin;
 	s32 MarkEnd;
 
+	video::SColor OverrideBgColor = 0;
 	video::SColor OverrideColor;
 	gui::IGUIFont *OverrideFont, *LastBreakFont;
 	IOSOperator *Operator;
@@ -203,7 +204,7 @@ protected:
 
 	bool WordWrap = false,
 		MultiLine = false,
-		AutoScroll = false,
+		AutoScroll = true,
 		PasswordBox = false,
 		IsWritable = true;
 

irr/include/IGUIScrollBar.h

@@ -52,6 +52,12 @@ public:
 	//! sets the current position of the scrollbar
 	virtual void setPos(s32 pos) = 0;
 
+	//! Smooth scroll: target position
+	virtual s32 getTargetPos() const { return getPos(); }
+
+	//! Smooth scroll: move to position
+	virtual void setPosInterpolated(s32 pos) { setPos(pos); }
+
 	//! For automatic thumb scaling
 	/** Sets the full height (e.g. content to scroll), in pixels.
 	Set to 0 to disable (default). */