From 710c3dcfc0728166ac9477d153a24f5b80ab18c4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?=
 <zmoelnig@users.sourceforge.net>
Date: Thu, 2 Jun 2005 18:26:48 +0000
Subject: added files for release 1.16

svn path=/trunk/externals/iemlib/; revision=3103
---
 src/iemlib2/parentdollarzero.c | 60 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 src/iemlib2/parentdollarzero.c

(limited to 'src/iemlib2/parentdollarzero.c')

diff --git a/src/iemlib2/parentdollarzero.c b/src/iemlib2/parentdollarzero.c
new file mode 100644
index 0000000..947d87e
--- /dev/null
+++ b/src/iemlib2/parentdollarzero.c
@@ -0,0 +1,60 @@
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+#include "m_pd.h"
+#include "g_canvas.h"
+#include "iemlib.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <math.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)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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