--- awesome button API -- @author Julien Danjou <julien@danjou.info> -- @copyright 2008-2009 Julien Danjou module("button") --- Button object. -- @field button The mouse button number, or 0 for any button. -- @field modifiers The modifier key table that should be pressed while the -- button is pressed. -- @class table -- @name button --- Add a signal. -- @param name A signal name. -- @param func A function to call when the signal is emitted. -- @name add_signal -- @class function --- Remove a signal. -- @param name A signal name. -- @param func A function to remove. -- @name remove_signal -- @class function --- Emit a signal. -- @param name A signal name. -- @param ... Various arguments, optional. -- @name emit_signal -- @class function