Adding param to my official externals

svn path=/trunk/externals/tof/; revision=12435

1 files changed, 206 insertions, 0 deletions

diff --git a/src/param.c b/src/param.c
new file mode 100644
index 0000000..00b2fe8
--- /dev/null
+++ b/src/param.c
@@ -0,0 +1,206 @@
+/*
+ *      param.c
+ *      
+ *      Copyright 2009 Thomas O Fredericks <tom@hp>
+ *      
+ *      This program is free software; you can redistribute it and/or modify
+ *      it under the terms of the GNU General Public License as published by
+ *      the Free Software Foundation; either version 2 of the License, or
+ *      (at your option) any later version.
+ *      
+ *      This program is distributed in the hope that it will be useful,
+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *      GNU General Public License for more details.
+ *      
+ *      You should have received a copy of the GNU General Public License
+ *      along with this program; if not, write to the Free Software
+ *      Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *      MA 02110-1301, USA.
+ */
+
+
+
+
+#include "tof.h"
+#include "param.h"
+
+
+
+
+static t_class *param_class;
+static t_class *param_inlet2_class;
+struct _param_inlet2;
+
+typedef struct _param
+{
+  t_object                    x_obj;
+  struct _param_inlet2       *x_param_inlet2;
+  
+  //t_symbol 					*x_path;
+  t_symbol	                 *s_PARAM;
+  //t_symbol                   *x_update_gui;
+  t_symbol                   *s_set;
+  struct param				  *x_param;
+} t_param;
+
+typedef struct _param_inlet2
+{
+  t_object        x_obj;
+  t_param  *p_owner;
+} t_param_inlet2;
+
+
+static void param_bang(t_param *x)
+{
+	if ( x->x_param) {
+		param_output(x->x_param,x->x_obj.ob_outlet);
+	
+		//if (PARAMECHO) param_send_prepend(x->x_param, x->s_PARAM ,x->x_param->path );
+		if(x->x_param->selector != &s_bang ) param_send_prepend(x->x_param, x->x_param->send ,x->s_set );
+   }
+}
+
+static void param_anything(t_param *x, t_symbol *s, int ac, t_atom *av)
+{
+ #ifdef PARAMDEBUG
+  post("RECEIVING SOMETHING");
+ #endif
+  if ( x->x_param) set_param_anything(x->x_param,s,ac,av);
+  
+  param_bang(x);
+    
+}
+
+
+
+
+// SECOND INLET METHOD
+
+static void param_inlet2_anything(t_param_inlet2 *p, t_symbol *s, int ac, t_atom *av)
+{
+ 
+  if ( p->p_owner->x_param ) set_param_anything(p->p_owner->x_param, s,ac,av);
+}  
+
+// DECONSTRUCTOR
+
+static void param_free(t_param *x)
+{
+	
+	if(x->x_param_inlet2) pd_free((t_pd *)x->x_param_inlet2);
+
+	if (x->x_param) {
+		pd_unbind(&x->x_obj.ob_pd, x->x_param->receive);
+		param_unregister(x->x_param);
+	}
+    
+}
+
+// CONSTRUCTOR
+static void *param_new(t_symbol *s, int ac, t_atom *av)
+{
+  t_param *x = (t_param *)pd_new(param_class);
+  t_param_inlet2 *p = (t_param_inlet2 *)pd_new(param_inlet2_class);
+   
+  // Stuff
+  x->s_set = gensym("set");
+  x->s_PARAM = gensym("PARAM");
+  
+  // Set up second inlet proxy
+  x->x_param_inlet2 = p;
+  p->p_owner = x;
+  
+  // GET THE CURRENT CANVAS
+  t_canvas* canvas=tof_get_canvas();
+  
+  // GET THE NAME
+  t_symbol* name = param_get_name(ac,av);
+  
+  if (name) {
+	  
+	  t_symbol* path = param_get_path(canvas,name);
+	  t_symbol* root = tof_get_dollarzero(tof_get_root_canvas(canvas));
+	  
+	  
+	  // FIND PARAM VALUE
+	  // A. In canvas' arguments
+	  // B. In object's arguments
+	  // C. Defaults to a bang
+	  
+	   int ac_p = 0;
+		t_atom* av_p = NULL;
+	  
+			  
+	   // A. In canvas' arguments
+		int ac_c = 0;
+		t_atom* av_c = NULL;
+		
+		t_canvas * before = tof_get_canvas_before_root(canvas);
+		tof_get_canvas_arguments(before,&ac_c , &av_c);
+		tof_find_tagged_argument('/',name, ac_c, av_c,&ac_p,&av_p);
+	  
+		// B. I object's arguments
+	  if ( ac_p == 0  && ac > 1) {
+		int ac_a = 0;
+		t_atom* av_a = NULL;
+		tof_find_tagged_argument('/',name, ac, av,&ac_p,&av_p);
+		//tof_get_tagged_argument('/',ac,av,&start,&count);
+		//if (count > 1) {
+		//	ac_p = ac_a;
+		//	av_p = av_a + 1;
+		//}
+	  }
+		  
+	  
+	  
+	  
+	  //FIND THE GUI TAGS
+	  int ac_g = 0;
+	  t_atom* av_g = NULL;
+	 // There could be a problem if the the name is also /gui
+	 tof_find_tagged_argument('/',gensym("/gui"), ac, av,&ac_g,&av_g);
+	  
+	  x->x_param = param_register(root,path,ac_p,av_p,ac_g,av_g);
+	  
+	  #ifdef PARAMDEBUG
+			post("receive:%s",x->x_param->receive->s_name);
+			post("send:%s",x->x_param->send->s_name);
+	  #endif
+	  
+	  // BIND RECEIVER
+  	  pd_bind(&x->x_obj.ob_pd, x->x_param->receive );
+      // CREATE INLETS AND OUTLETS
+      inlet_new((t_object *)x, (t_pd *)p, 0, 0);
+      outlet_new(&x->x_obj, &s_list);
+	  
+	  
+  } else {
+	  
+	   pd_error(x,"Could not create param. See possible errors above.");
+  }
+  
+  
+
+  
+  
+  
+  return (x);
+}
+
+void param_setup(void)
+{
+  param_class = class_new(gensym("param"),
+    (t_newmethod)param_new, (t_method)param_free,
+    sizeof(t_param), 0, A_GIMME, 0);
+
+
+  class_addanything(param_class, param_anything);
+  class_addbang(param_class, param_bang);
+  
+  param_inlet2_class = class_new(gensym("_param_inlet2"),
+    0, 0, sizeof(t_param_inlet2), CLASS_PD | CLASS_NOINLET, 0);
+	
+  class_addanything(param_inlet2_class, param_inlet2_anything);
+  
+}