added new object [parentposition] that will output

the position of the containing abstraction within 
it's parent-patch

svn path=/trunk/externals/iem/iemguts/; revision=9744

2 files changed, 99 insertions, 1 deletions

diff --git a/src/Makefile b/src/Makefile
index dc3f0db..dc816c0 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -3,7 +3,7 @@
 
 # path to pd
 ## change this according to your setup!
-PDROOT?=../../pd
+PDROOT?=../../../../pd
 #PDROOT=/home/zmoelnig/src/pd/
 
 # here we find the sources of pd (and evtl. the pd.lib)
diff --git a/src/parentposition.c b/src/parentposition.c
new file mode 100644
index 0000000..d55d8e5
--- /dev/null
+++ b/src/parentposition.c
@@ -0,0 +1,98 @@
+
+/******************************************************
+ *
+ * parentposition - 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
+ */
+
+#include "m_pd.h"
+
+#include "g_canvas.h"
+#include "m_imp.h"
+
+/* ------------------------- parentposition ---------------------------- */
+
+static t_class *parentposition_class;
+
+typedef struct _parentposition
+{
+  t_object  x_obj;
+  t_canvas  *x_canvas;
+
+  t_outlet*xoutlet, *youtlet;
+} t_parentposition;
+
+static void parentposition_bang(t_parentposition *x)
+{
+  t_canvas*c=x->x_canvas;
+  t_canvas*c0=0;
+
+  int x1=0, y1=0, width=0, height=0;
+  t_atom alist[2];
+
+  if(!c) return;
+
+
+  x1=c->gl_obj.te_xpix;
+  y1=c->gl_obj.te_ypix;
+
+
+  c0=c->gl_owner;
+  if(c0!=0) {
+    width= (int)(c0->gl_screenx2 - c0->gl_screenx1);
+    height=(int)(c0->gl_screeny2 - c0->gl_screeny1);
+  }
+
+  SETFLOAT(alist, (t_float)width);
+  SETFLOAT(alist+1, (t_float)height);
+  outlet_list(x->youtlet, 0, 2, alist);
+
+  //  outlet_float(x->youtlet, y1);
+  SETFLOAT(alist, (t_float)x1);
+  SETFLOAT(alist+1, (t_float)y1);
+  outlet_list(x->xoutlet, 0, 2, alist);
+
+}
+
+static void parentposition_free(t_parentposition *x)
+{
+  outlet_free(x->xoutlet);
+  outlet_free(x->youtlet);
+}
+
+static void *parentposition_new(void)
+{
+  t_parentposition *x = (t_parentposition *)pd_new(parentposition_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_list);
+  x->youtlet=outlet_new(&x->x_obj, &s_list);
+
+  return (x);
+}
+
+void parentposition_setup(void)
+{
+  parentposition_class = class_new(gensym("parentposition"), (t_newmethod)parentposition_new,
+    (t_method)parentposition_free, sizeof(t_parentposition), 0, 0);
+  class_addbang(parentposition_class, (t_method)parentposition_bang);
+}