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path: root/examples/dynreceive.tcl
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package require Tclpd 0.2.3
package require TclpdLib 0.19

proc+ dynreceive::constructor {self args} {
    set @sym {}
    if {[pd::args] > 0} {
        set @sym [pd::arg 0 symbol]
        pd_bind [tclpd_get_instance_pd $self] [gensym $@sym]
    }
    pd::add_outlet $self
}

proc+ dynreceive::destructor {self} {
    # don't forget to call pd_unbind, or sending things to a symbol
    # bound to dead object will crash pd!
    if {$@sym != {}} {
        pd_unbind [tclpd_get_instance_pd $self] [gensym $@sym]
    }
}

proc+ dynreceive::0_set {self args} {
    # send [set empty( to clear the receive symbol
    set s [pd::arg 0 symbol]
    if {$@sym != {}} {
        pd_unbind [tclpd_get_instance_pd $self] [gensym $@sym]
    }
    if {$s == {empty}} {
        set @sym {}
    } else {
        set @sym $s
        pd_bind [tclpd_get_instance_pd $self] [gensym $@sym]
    }
}

proc+ dynreceive::0_bang {self} {
    pd::outlet $self 0 bang
}

proc+ dynreceive::0_float {self args} {
    pd::outlet $self 0 float [pd::arg 0 float]
}

proc+ dynreceive::0_symbol {self args} {
    pd::outlet $self 0 symbol [gensym [pd::arg 0 symbol]]
}

proc+ dynreceive::0_anything {self args} {
    set sel [pd::arg 0 symbol]
    set argz [lrange $args 1 end]
    pd::outlet $self 0 $sel $argz
}

pd::class dynreceive