--- a
+++ b/trunk/src/LV2/gx_duck_delay.lv2/widget.cpp
@@ -0,0 +1,240 @@
+/*
+ * Copyright (C) 2012 Hermann Meyer, Andreas Degert, Pete Shorthose, Steve Poskitt
+ *
+ * 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 "widget.h"
+
+#include <iostream>
+
+
+/*    @get controller by port
+ *  this function is used by make_selector() make_controller_box()
+ *  set_value() and on_value_changed()
+ *  so controller widgets needs only here asined to a port, 
+ *  and all functions which need acess to the controller widget pointer 
+ *  can receive them by port number
+ */
+
+Gtk::Widget* Widget::get_controller_by_port(uint32_t port_index)
+{
+  switch ((PortIndex)port_index )
+  {
+    case AMOUNT:
+      return &m_bigknob;
+    case ATTACK:
+      return &m_smallknob3;
+    case FEEDBACK:
+      return &m_smallknob4;
+    case RELESE:
+      return &m_smallknob5;
+    case TIME:
+      return &m_smallknob6;
+    default:
+      return NULL;
+  } 
+}
+
+Widget::Widget(Glib::ustring plugname):
+plug_name(plugname)
+{
+  // create controllers for port name, change order, and fix typo
+  make_controller_box(&m_vbox2, "TIME", 1.0, 2000, 1, TIME);
+  make_controller_box(&m_vbox3, "FEEDBACK", 0.0, 1.0, 0.01, FEEDBACK);
+  make_controller_box(&m_vbox4, "ATTACK", 0.05, 0.5, 0.01, ATTACK);
+  make_controller_box(&m_vbox5, "RELEASE", 0.05, 2.0, 0.01, RELESE);
+  make_controller_box(&m_vbox6, "AMOUNT", 0.0, 56.0, 0.1, AMOUNT);
+  
+  // set propertys for the main paintbox holding the skin
+  m_paintbox.set_border_width(10);
+  m_paintbox.set_spacing(6);
+  m_paintbox.set_homogeneous(false);
+  m_paintbox.set_name(plug_name);
+  m_paintbox.property_paint_func() = "gxhead_expose";
+  add(m_paintbox);
+  // box for the controllers
+  m_hbox_.set_spacing(14);
+  m_hbox_.set_border_width(5);
+  m_hbox_.set_homogeneous(false);
+  // set a vertical box in the paintbox
+  m_vbox.set_border_width(2);
+  m_vbox1.set_border_width(2);
+  m_paintbox.pack_start(m_vbox_);
+  // and controller box on top
+  m_vbox_.pack_start(m_hbox_, Gtk::PACK_SHRINK);
+   // put boxed controllers into controller box
+  m_hbox_.pack_start(m_vbox,Gtk::PACK_EXPAND_PADDING);
+  m_hbox_.pack_start(m_vbox2);
+  m_hbox_.pack_start(m_vbox3);
+  m_hbox_.pack_start(m_vbox4);
+  m_hbox_.pack_start(m_vbox5);
+  m_hbox_.pack_start(m_vbox6);
+  m_hbox_.pack_start(m_vbox1,Gtk::PACK_EXPAND_PADDING);
+  
+  // connect expose handler as resize handler
+  m_paintbox.signal_expose_event().connect(
+    sigc::mem_fun(this, &Widget::_expose_event), true);
+
+  set_app_paintable(true);
+  show_all();
+}
+
+Widget::~Widget()
+{
+
+}
+
+// set borderwith for paintbox when widget resize
+// to hold controllers in place
+bool Widget::_expose_event(GdkEventExpose *event)
+{
+  int x, y, width, height, depth;
+  m_paintbox.get_window()->get_geometry(x, y, width, height, depth);
+  //double_t height = m_paintbox.get_window()->get_height();
+  m_paintbox.set_border_width(height/20);
+  return false;
+}
+
+// create selectors from gxwmm
+void Widget::make_selector(Glib::ustring labela,
+                           Glib::ustring tables[],
+                           size_t _size,
+                           float min, float digits,
+                           PortIndex port_name)
+{
+  Gxw::Selector *regler = static_cast<Gxw::Selector*>
+                                    (get_controller_by_port(port_name));
+  if (regler)
+  {
+    float max = static_cast<float>(_size+1);
+
+    Gtk::TreeModelColumn<Glib::ustring> label;
+    Gtk::TreeModelColumnRecord rec;
+    rec.add(label);
+    Glib::RefPtr<Gtk::ListStore> ls = Gtk::ListStore::create(rec);
+
+    for (uint32_t i = 0 ; i< _size; ++i) {
+      ls->append()->set_value(0, tables[i]);
+    }
+    regler->set_model(ls);
+    regler->set_has_tooltip();
+    regler->set_tooltip_text(labela);
+    regler->cp_configure("SELECTOR", labela, min, max, digits);
+    regler->set_show_value(false);
+    regler->set_name(plug_name);
+    regler->signal_value_changed().connect(sigc::bind(sigc::mem_fun(
+           *this, &Widget::on_value_changed), port_name));
+  }
+}
+
+// create stackboxes with controllers for port name
+void Widget::make_controller_box(Gtk::Box *box,
+                                 Glib::ustring label,
+                                 float min, float max,
+                                 float digits,
+                                 PortIndex port_name)
+{
+  Gxw::Regler *regler = static_cast<Gxw::Regler*>(
+                                    get_controller_by_port(port_name));
+  if (regler)
+  {
+    Gtk::Label* pr = new Gtk::Label(label, 0);
+    pr->set_name("amplabel");
+    // use label images instead simple string labes
+    /*Glib::ustring  label_image = GX_LV2_STYLE_DIR;
+    label_image += "/";
+    label_image += label;
+    label_image += "-label.png";
+    Gtk::Image *pr = new Gtk::Image(label_image);*/
+
+    Gtk::VBox* b1 = new Gtk::VBox();
+    box->pack_start( *Gtk::manage(b1), Gtk::PACK_EXPAND_PADDING);
+    box->pack_start( *Gtk::manage(pr),Gtk::PACK_SHRINK);
+    regler->cp_configure("KNOB", label, min, max, digits);
+    regler->set_show_value(false);
+    regler->set_name(plug_name);
+    box->pack_start(*regler,Gtk::PACK_SHRINK);
+    Gtk::VBox* b2 = new Gtk::VBox();
+    box->pack_start( *Gtk::manage(b2), Gtk::PACK_EXPAND_PADDING);
+    regler->signal_value_changed().connect(sigc::bind(sigc::mem_fun(
+           *this, &Widget::on_value_changed), port_name));
+  }
+}
+
+// create stackboxes with switch controller for port name
+void Widget::make_switch_box(Gtk::Box *box,
+                             Glib::ustring label,
+                             PortIndex port_name)
+{
+  Gxw::Switch *regler = static_cast<Gxw::Switch*>(
+                                    get_controller_by_port(port_name));
+  if (regler)
+  {
+    Gtk::Label* pr = new Gtk::Label(label, 0);
+    pr->set_name("amplabel");
+    // use label images instead simple string labes
+    /*Glib::ustring  label_image = GX_LV2_STYLE_DIR;
+    label_image += "/"+plug_name+"-";
+    label_image += label;
+    label_image += "-label.png";
+     Gtk::Image *pr = new Gtk::Image(label_image);*/
+ 
+    regler->cp_configure("switch", label, 0, 1, 1);
+    regler->set_name(plug_name);
+    regler->set_base_name( "button" );
+    Gtk::VBox* b1 = new Gtk::VBox();
+    box->pack_start( *Gtk::manage(b1), Gtk::PACK_EXPAND_PADDING);
+    box->pack_start( *Gtk::manage(pr),Gtk::PACK_SHRINK); 
+    box->pack_start(*regler,Gtk::PACK_SHRINK);
+    Gtk::VBox* b2 = new Gtk::VBox();
+    box->pack_start( *Gtk::manage(b2), Gtk::PACK_EXPAND_PADDING);
+    regler->signal_toggled().connect(sigc::bind(sigc::mem_fun(
+        *this, &Widget::on_value_changed), port_name));
+  }
+}
+
+// receive controller value changes from host and set them to controller
+void Widget::set_value(uint32_t port_index,
+                       uint32_t format,
+                       const void * buffer)
+{
+  if ( format == 0 )
+  {
+    Gxw::Regler *regler = static_cast<Gxw::Regler*>(
+                                    get_controller_by_port(port_index));
+    if (regler)
+    {
+      float value = *static_cast<const float*>(buffer);
+      regler->cp_set_value(value);
+    }
+  }
+}
+
+// write (UI) controller value changes to the host->engine
+void Widget::on_value_changed(uint32_t port_index)
+{
+  Gxw::Regler *regler = static_cast<Gxw::Regler*>(
+                                    get_controller_by_port(port_index));
+  if (regler)
+  {
+    float value = regler->cp_get_value();
+    write_function(controller, port_index, sizeof(float), 0,
+                                    static_cast<const void*>(&value));
+  }
+}
+