From 79e8d7562ba24a72da70830d10e759902e889e26 Mon Sep 17 00:00:00 2001
From: Luke Iannini <lukeiannini@users.sourceforge.net>
Date: Mon, 22 Sep 2008 07:29:39 +0000
Subject: parent and remote-subpatch access for window_name and canvas_name

svn path=/trunk/externals/hcs/; revision=10306
---
 canvas_name.c | 49 ++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 42 insertions(+), 7 deletions(-)

(limited to 'canvas_name.c')

diff --git a/canvas_name.c b/canvas_name.c
index a8b93eb..18e1903 100644
--- a/canvas_name.c
+++ b/canvas_name.c
@@ -6,27 +6,62 @@
 #define DEBUG(x)
 
 static t_class *canvas_name_class;
+static t_canvas *canvas;
 
 typedef struct _canvas_name
 {
     t_object x_obj;
+    t_atom x_atom;
     t_symbol *x_canvas_name;
+    t_symbol *x_remote_name;
 } t_canvas_name;
 
 static void canvas_name_bang(t_canvas_name *x)
 {
+    if (x->x_atom.a_type == A_SYMBOL)
+    {
+        canvas=(t_canvas *)pd_findbyclass(x->x_remote_name, canvas_class);
+        char buf[MAXPDSTRING];
+
+        snprintf(buf, MAXPDSTRING, ".x%lx.c", (long unsigned int)canvas);
+        x->x_canvas_name = gensym(buf);
+    }
     outlet_symbol(x->x_obj.ob_outlet,x->x_canvas_name);
 }
 
-static void *canvas_name_new(void)
+static void *canvas_name_new(t_symbol *s, int argc, t_atom *argv)
 {
+    t_atom a;
+    if (argc == 0)
+    {
+        argc = 1;
+        SETFLOAT(&a, 0);
+        argv = &a;
+    }
     t_canvas_name *x = (t_canvas_name *)pd_new(canvas_name_class);
-    char buf[MAXPDSTRING];
-    
-    snprintf(buf,MAXPDSTRING,".x%lx.c",(long unsigned int)canvas_getcurrent());
-    x->x_canvas_name = gensym(buf);
+    x->x_atom = *argv;
+    if (argv->a_type == A_FLOAT)
+    { // thx to IOhannes's iemguts:
+        t_glist *glist=(t_glist *)canvas_getcurrent(); 
+        canvas=(t_canvas *)glist_getcanvas(glist);
+        int depth=(int)atom_getint(&x->x_atom);
+
+        if(depth<0)depth=0;
+        while(depth && canvas) {
+          canvas=canvas->gl_owner;
+          depth--;
+        }
+        char buf[MAXPDSTRING];
+
+        snprintf(buf, MAXPDSTRING, ".x%lx.c", (long unsigned int)canvas);
+        x->x_canvas_name = gensym(buf);
+    }
+    else
+    {
+        x->x_remote_name = (t_symbol *)atom_getsymbol(&x->x_atom);
+    }
     
-	outlet_new(&x->x_obj, &s_symbol);
+    outlet_new(&x->x_obj, &s_symbol);
 
     return(x);
 }
@@ -35,7 +70,7 @@ void canvas_name_setup(void)
 {
     canvas_name_class = class_new(gensym("canvas_name"),
         (t_newmethod)canvas_name_new, NULL,
-        sizeof(t_canvas_name), 0, 0);
+        sizeof(t_canvas_name), 0, A_GIMME, 0);
 
     class_addbang(canvas_name_class, (t_method)canvas_name_bang);
 }
-- 
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