nonlib: Remove sigc++ dependencey from OSC::Endpoint.

This also removes sigc++ as a dependency for mixer and timeline.

mixer/configure

@@ -21,7 +21,6 @@ require_command FLUID lib/fltk/fluid/fluid
 require_package JACK 0.103.0 jack
 require_package lrdf 0.4.0 lrdf
 require_package liblo 0.23 liblo
-require_package sigcpp 2.0.0 sigc++-2.0
 suggest_package XPM 2.0.0 xpm
 
 test_version `version_of liblo` 0.26 || warn "Version $(version_of liblo) of liblo is slow to create servers. Consider upgrading to 0.26 or later"

mixer/src/Module.C

@@ -254,9 +254,9 @@ Module::Port::generate_osc_path ()
 }
 
 void
-Module::Port::handle_signal_connection_state_changed ( OSC::Signal * )
+Module::Port::handle_signal_connection_state_changed ( OSC::Signal *, void *o )
 {
-    module()->redraw();
+    ((Module::Port*)o)->module()->redraw();
 }
 
 void
@@ -286,8 +286,8 @@ Module::Port::change_osc_path ( char *path )
                                                               0.0, 1.0, scaled_default,
                                                               &Module::Port::osc_control_change_cv, this );
 
-            _scaled_signal->signal_connection_state_changed.connect(
-                sigc::mem_fun( this, &Module::Port::handle_signal_connection_state_changed ) );
+            
+            _scaled_signal->connection_state_callback( handle_signal_connection_state_changed, this );
 
             _unscaled_signal = mixer->osc_endpoint->add_signal( unscaled_path,
                                                                 OSC::Signal::Input,

mixer/src/Module.H

@@ -259,7 +259,7 @@ public:
         OSC::Signal *_scaled_signal;
         OSC::Signal *_unscaled_signal;
 
-        void handle_signal_connection_state_changed ( OSC::Signal *s );
+        static void handle_signal_connection_state_changed ( OSC::Signal *, void *o );
     };
 
     void bbox ( int &X, int &Y, int &W, int &H )

nonlib/OSC/Endpoint.C

@@ -306,7 +306,7 @@ namespace OSC
             
             DMESSAGE( "Peer %s has disconnected from signal %s", p->name, ps->path() );
  
-            s->signal_connection_state_changed( s );
+            s->_connection_state_callback( s, s->_connection_state_userdata );
 
             return 0;
         }
@@ -358,7 +358,7 @@ namespace OSC
         /* make a record of it ourselves */
         ps->_outgoing.push_back( s );
 
-        s->signal_connection_state_changed( s );
+        s->_connection_state_callback( s, s->_connection_state_userdata );
 
         /*     return 0; */
         /* } */
@@ -872,7 +872,7 @@ namespace OSC
                 p->_scanning = false;
                 DMESSAGE( "Done scanning %s", p->name );
 
-                ep->signal_peer_scan_complete();
+                ep->_peer_scan_complete_callback(ep->_peer_scan_complete_userdata);
             }
             else if ( argc == 7 && p->_scanning )
             {

nonlib/OSC/Endpoint.H

@@ -25,8 +25,6 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include <sigc++/sigc++.h>
-
 namespace OSC
 {
     class OSC_Value
@@ -163,6 +161,9 @@ namespace OSC
         void *_user_data;
         Parameter_Limits _parameter_limits;
         
+        void (*_connection_state_callback)(OSC::Signal *, void*);
+        void *_connection_state_userdata;
+
     public:
 
         Signal ( const char *path, Direction dir )
@@ -175,7 +176,11 @@ namespace OSC
                 _peer = NULL;
             }
 
-        sigc::signal <void,Signal*> signal_connection_state_changed;
+        void connection_state_callback ( void(*_cb)(OSC::Signal *, void*), void *userdata) 
+            {
+                _connection_state_callback = _cb;
+                _connection_state_userdata = userdata;
+            }
 
         ~Signal ( );
 
@@ -278,6 +283,9 @@ namespace OSC
         void del_signal ( Signal *signal );
         void send_signal_rename_notifications( Signal *s );
 
+        void (*_peer_scan_complete_callback)(void*);
+        void *_peer_scan_complete_userdata;
+
     public:
 
         void list_peer_signals ( void (*callback) (const char *, const OSC::Signal *, void * ), void *v );
@@ -355,7 +363,12 @@ namespace OSC
         // can be used to point back to owning object.
         void *owner;
 
-        sigc::signal <void> signal_peer_scan_complete;
+        void peer_scan_complete_callback ( void(*_cb)(void*), void *userdata) 
+            {
+                _peer_scan_complete_callback = _cb;
+                _peer_scan_complete_userdata = userdata;
+            }
+
 
         friend Signal::~Signal();
         friend void Signal::rename ( const char *name );

nonlib/configure

@@ -17,7 +17,6 @@ require_command ar ar
 require_command makedepend makedepend
 require_package JACK 0.103.0 jack
 require_package liblo 0.23 liblo
-require_package sigcpp 2.0.0 sigc++-2.0
 
 test_version `version_of liblo` 0.26 || warn "Version $(version_of liblo) of liblo is slow to create servers. Consider upgrading to 0.26 or later"
 

timeline/configure

@@ -28,7 +28,6 @@ require_command FLUID lib/fltk/fluid/fluid
 require_package JACK 0.103.0 jack
 require_package sndfile 1.0.17 sndfile
 require_package liblo 0.23 liblo
-require_package sigcpp 2.0.0 sigc++-2.0
 suggest_package XPM 2.0.0 xpm
 
 if ! hostname_resolvable

timeline/src/Timeline.C

@@ -1620,7 +1620,7 @@ Timeline::init_osc ( const char *osc_port )
     /* poll so we can keep OSC handlers running in the GUI thread and avoid extra sync */
     Fl::add_timeout( OSC_INTERVAL, &Timeline::check_osc, this );
 
-    osc->signal_peer_scan_complete.connect( sigc::mem_fun( this, &Timeline::connect_osc ) );
+    osc->peer_scan_complete_callback( &Timeline::handle_peer_scan_complete, this );
 
     if ( ! osc_thread )
     {
@@ -1676,6 +1676,12 @@ Timeline::reply_to_finger ( lo_message msg )
     lo_address_free( reply );
 }
 
+void 
+Timeline::handle_peer_scan_complete ( void *o )
+{
+    ((Timeline*)o)->connect_osc();
+}
+
 void
 Timeline::connect_osc ( void )
 {

timeline/src/Timeline.H

@@ -122,6 +122,8 @@ class Timeline : public Fl_Single_Window, public RWLock
 
     std::list <const Sequence_Widget*> _tempomap;
 
+    static void handle_peer_scan_complete ( void * v );
+
 public:
 
     OSC::Endpoint *osc;