MMB to select existing items

[iccle]

I would love it if MMB behaved as it does in minecraft creative mode, ie if you hover over an item that is placed in the world to select it then click MMB, if you have 1+ of that item in your inventory then it becomes the active item and held in your hand.

[ssilk]

Added to viewtopic.php?f=80&t=307 Gamepad/controller support (also keybinding)