Input event type for mouse button events.
Contains mouse click information. See Node._input.
int button_index =
The mouse button identifier, one of the ButtonList button or button wheel constants.
bool doubleclick =
true, the mouse button's state is a double-click.
float factor =
The amount (or delta) of the event. When used for high-precision scroll events, this indicates the scroll amount (vertical or horizontal). This is only supported on some platforms; the reported sensitivity varies depending on the platform. May be
0 if not supported.
bool pressed =
true, the mouse button's state is pressed. If
false, the mouse button's state is released.