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/******************************************************
*
* canvasindex - implementation file
*
* copyleft (c) IOhannes m zmölnig
*
* 2007:forum::für::umläute:2007
*
* institute of electronic music and acoustics (iem)
*
******************************************************
*
* license: GNU General Public License v.2
*
******************************************************/
/*
* this object provides a way to get the position of the containing abstraction
* within the parent-patch
* this makes it easy to (dis)connect this abstraction to others
*/
#include "m_pd.h"
#include "g_canvas.h"
int glist_getindex(t_glist *x, t_gobj *y);
/* ------------------------- canvasindex ---------------------------- */
static t_class *canvasindex_class;
typedef struct _canvasindex
{
t_object x_obj;
t_canvas *x_canvas;
t_outlet*xoutlet, *youtlet;
} t_canvasindex;
static void canvasindex_bang(t_canvasindex *x)
{
t_canvas*c=x->x_canvas;
t_canvas*c0=0;
// int index=-1;
if(!c) return;
c0=c->gl_owner;
if(!c0)return;
// index=glist_getindex(c0, c);
// index=glist_getindex(c0, (t_gobj*)c);
outlet_float(x->youtlet, (t_float)(glist_getindex(c0, 0)));
outlet_float(x->xoutlet, (t_float)(glist_getindex(c0, (t_gobj*)c)));
}
static void canvasindex_free(t_canvasindex *x)
{
outlet_free(x->xoutlet);
outlet_free(x->youtlet);
}
static void *canvasindex_new(void)
{
t_canvasindex *x = (t_canvasindex *)pd_new(canvasindex_class);
t_glist *glist=(t_glist *)canvas_getcurrent();
t_canvas *canvas=(t_canvas*)glist_getcanvas(glist);
x->x_canvas = canvas;
x->xoutlet=outlet_new(&x->x_obj, &s_float);
x->youtlet=outlet_new(&x->x_obj, &s_float);
return (x);
}
void canvasindex_setup(void)
{
canvasindex_class = class_new(gensym("canvasindex"), (t_newmethod)canvasindex_new,
(t_method)canvasindex_free, sizeof(t_canvasindex), 0, 0);
class_addbang(canvasindex_class, (t_method)canvasindex_bang);
}
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