Mixer: Create unique OSC paths even when multiple instances of a module/plugin with the same name exist in a chain.

mixer/src/Chain.C

@@ -357,6 +357,23 @@ Chain::configure_ports ( void )
     parent()->redraw();
 }
 
+int 
+Chain::get_module_instance_number ( Module *m )
+{
+    int n = 0;
+
+    for ( int i = 0; i < modules(); ++i )
+    {
+        if ( module(i) == m )
+            break;
+
+        if ( ! strcmp( module(i)->name(), m->name() ) )
+            n++;
+    }
+
+    return n;
+} 
+
 /* calculate the minimum number of buffers required to satisfy this chain */
 int
 Chain::required_buffers ( void )

mixer/src/Chain.H

@@ -89,6 +89,8 @@ public:
     const char *name ( void ) const { return _name; }
     void name ( const char *name );
 
+    int get_module_instance_number ( Module *m );
+
     void configure_ports ( void );
     int required_buffers ( void );
 

mixer/src/Module.C

@@ -200,6 +200,12 @@ Module::Port::generate_osc_path ()
     char *path;
 
     // /mixer/strip/STRIPNAME/control/MODULENAME/CONTROLNAME
+
+    int n = module()->chain()->get_module_instance_number( module() );
+
+    if ( n > 0 )        
+        asprintf( &path, "/mixer/strip/%s/control/%s.%i/%s", module()->chain()->name(), p->module()->label(), n, p->name() );
+    else
         asprintf( &path, "/mixer/strip/%s/control/%s/%s", module()->chain()->name(), p->module()->label(), p->name() );
 
 //    asprintf( &path, "/mixer/strip/control/%s/%s", p->module()->label(), p->name() );
@@ -220,6 +226,7 @@ Module::Port::change_osc_path ( char *path )
     if ( _osc_path )
     {
 	mixer->osc_endpoint->del_method( _osc_path, "f" );
+	mixer->osc_endpoint->del_method( _osc_path_cv, "f" );
 
 	free( _osc_path );
         free( _osc_path_cv );

mixer/src/Module.H

@@ -158,6 +158,11 @@ public:
         void buffer ( void *buf, nframes_t nframes ) { _buf = buf; _nframes = nframes; };
         void *buffer ( void ) const { return _buf; }
 
+        const char *osc_path ( )
+            {
+                return _osc_path;
+            }
+
         void update_osc_port ( )
             {
                 if ( INPUT == _direction )

mixer/src/Module_Parameter_Editor.C

@@ -245,6 +245,8 @@ Module_Parameter_Editor::make_controls ( void )
         }
 
 
+        w->tooltip( p->osc_path() );
+
         Fl_Button *bound;
 
         w->align(FL_ALIGN_TOP);