minetest - menu mouse-over hilighting

diff -rupN minetest_orig/src/guiInventoryMenu.cpp minetest_modified/src/guiInventoryMenu.cpp
--- minetest_orig/src/guiInventoryMenu.cpp	2011-11-30 10:54:54.000000000 +0100
+++ minetest_modified/src/guiInventoryMenu.cpp	2011-11-30 20:38:55.087960470 +0100
@@ -266,8 +266,14 @@ void GUIInventoryMenu::drawList(const Li
 					&AbsoluteClippingRect);
 		}

-		video::SColor bgcolor(255,128,128,128);
-		driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
+		if(rect.isPointInside(m_pointer))
+		{
+		    video::SColor bgcolor(255,255,128,128);
+		    driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
+		} else {
+		    video::SColor bgcolor(255,128,128,128);
+		    driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
+		}

 		if(item)
 		{
@@ -319,8 +325,10 @@ bool GUIInventoryMenu::OnEvent(const SEv
 	if(event.EventType==EET_MOUSE_INPUT_EVENT)
 	{
 		char amount = -1;
-
-		if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
+
+		if(event.MouseInput.Event==EMIE_MOUSE_MOVED)
+		    m_pointer = v2s32(event.MouseInput.X, event.MouseInput.Y);
+		else if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
 			amount = 0;
 		else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
 			amount = 1;
diff -rupN minetest_orig/src/guiInventoryMenu.h minetest_modified/src/guiInventoryMenu.h
--- minetest_orig/src/guiInventoryMenu.h	2011-11-30 10:54:54.000000000 +0100
+++ minetest_modified/src/guiInventoryMenu.h	2011-11-30 20:36:39.088186751 +0100
@@ -159,6 +159,7 @@ protected:
 	core::array<ListDrawSpec> m_draw_spec;

 	ItemSpec *m_selected_item;
+	v2s32 m_pointer;
 };

 #endif