Keyboard and Mouse	Function
Space+Drag	Free Scroll
Wheel	Scrolls edit window vertically
Shift + Wheel	Scrolls edit window horizontally
Ctrl + Wheel	Zooms in / Zooms out.
Alt + Right Drag	Moves the 3D object left, right, up, down.
Alt + Left Drag	Rotates the 3D object left, right, front, back
Alt + Wheel	Increases / Decreases the 3D object size.
Alt + Double Click	Reset the rotation of the 3D object.