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/*
* Copyright (c) 1997-1999 Mark Danks.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt" in this distribution.
*/
#include "m_pd.h"
/* -------------------------- multiselect ------------------------------ */
static t_class *multiselect_class;
typedef struct _multiselectElem
{
t_float val;
t_outlet *acceptOutlet;
t_int active;
} t_multiselectElem;
typedef struct _multiselect
{
t_object x_obj;
t_multiselectElem *x_elem;
int x_num;
t_outlet *x_rejectOutlet;
t_inlet *x_inlet;
} t_multiselect;
static void multiselect_float(t_multiselect *x, t_floatarg f)
{
int i;
int shotOut = 0;
for (i = 0; i < x->x_num; i++)
{
if (x->x_elem[i].val == f && x->x_elem[i].active)
{
outlet_bang(x->x_elem[i].acceptOutlet);
shotOut = 1;
}
}
if (!shotOut)
outlet_float(x->x_rejectOutlet, f);
}
static void multiselect_params(t_multiselect *x, t_symbol *s, int argc, t_atom *argv)
{
int n;
freebytes(x->x_elem, x->x_num * sizeof(t_multiselectElem));
for (n = 0; n < argc; n++)
{
x->x_elem[n].val = atom_getfloatarg(n, argc, argv);
x->x_elem[n].active = 1;
}
for (; n < x->x_num; n++)
x->x_elem[n].active = 0;
}
static void multiselect_free(t_multiselect *x)
{
int i;
for (i = 0; i < x->x_num; i++)
{
outlet_free(x->x_elem[i].acceptOutlet);
}
freebytes(x->x_elem, x->x_num * sizeof(t_multiselectElem));
inlet_free(x->x_inlet);
}
static void *multiselect_new(t_symbol *s, int argc, t_atom *argv)
{
int n;
t_multiselect *x = (t_multiselect *)pd_new(multiselect_class);
x->x_num = argc;
x->x_elem = (t_multiselectElem *)getbytes(argc * sizeof(t_multiselectElem));
for (n = 0; n < argc; n++)
{
x->x_elem[n].val = atom_getfloatarg(n, argc, argv);
x->x_elem[n].acceptOutlet = outlet_new(&x->x_obj, &s_bang);
x->x_elem[n].active = 1;
}
x->x_rejectOutlet = outlet_new(&x->x_obj, &s_float);
x->x_inlet = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_list, gensym("params"));
return (x);
}
void multiselect_setup(void)
{
multiselect_class = class_new(gensym("multiselect"), (t_newmethod)multiselect_new,
(t_method)multiselect_free, sizeof(t_multiselect), 0, A_GIMME, 0);
class_addcreator((t_newmethod)multiselect_new, gensym("multisel"), A_GIMME, 0);
class_addfloat(multiselect_class, multiselect_float);
class_addmethod(multiselect_class, (t_method)multiselect_params,
gensym("params"), A_GIMME, A_NULL);
#if PD_MINOR_VERSION < 37
class_sethelpsymbol(multiselect_class, gensym("multiselect-help.pd"));
#endif
}
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