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/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iemlib2 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
#include "m_pd.h"
#include "g_canvas.h"
#include "iemlib.h"
/* -------------- parentdollarzero --------------- */
/* -- receives the $0 value of the parent canvas --*/
static t_class *parentdollarzero_class;
typedef struct _parentdollarzero
{
t_object x_obj;
t_symbol *s_parent_unique;
unsigned int x_is_there_a_parent;
} t_parentdollarzero;
static void parentdollarzero_bang(t_parentdollarzero *x)
{
if(x->x_is_there_a_parent)
outlet_symbol(x->x_obj.ob_outlet, x->s_parent_unique);
}
static void *parentdollarzero_new(void)
{
t_parentdollarzero *x = (t_parentdollarzero *)pd_new(parentdollarzero_class);
t_glist *glist = (t_glist *)canvas_getcurrent();
t_canvas *this_canvas = glist_getcanvas(glist);
x->x_is_there_a_parent = (unsigned int)(0!=this_canvas->gl_owner);
if(x->x_is_there_a_parent)
x->s_parent_unique = canvas_realizedollar((t_canvas *)this_canvas->gl_owner, gensym("$0"));
else
x->s_parent_unique = gensym("");
outlet_new(&x->x_obj, &s_symbol);
return (x);
}
void parentdollarzero_setup(void)
{
parentdollarzero_class = class_new(gensym("parentdollarzero"), (t_newmethod)parentdollarzero_new,
0, sizeof(t_parentdollarzero), 0, 0);
class_addcreator((t_newmethod)parentdollarzero_new, gensym("parent$0"), 0);
class_addbang(parentdollarzero_class, (t_method)parentdollarzero_bang);
class_sethelpsymbol(parentdollarzero_class, gensym("iemhelp/help-parentdollarzero"));
}
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