Logo Search packages:      
Sourcecode: ardour version File versions  Download package

generic_pluginui.cc

/*
    Copyright (C) 2000 Paul Davis 

    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., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#include <climits>
#include <cerrno>
#include <cmath>
#include <string>

#include <pbd/stl_delete.h>
#include <pbd/xml++.h>
#include <pbd/failed_constructor.h>

#include <gtkmm2ext/click_box.h>
#include <gtkmm2ext/fastmeter.h>
#include <gtkmm2ext/barcontroller.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/doi.h>
#include <gtkmm2ext/slider_controller.h>

#include <midi++/manager.h>

#include <ardour/plugin.h>
#include <ardour/insert.h>
#include <ardour/ladspa_plugin.h>
#ifdef HAVE_LV2
#include <ardour/lv2_plugin.h>
#endif

#include <lrdf.h>

#include "ardour_ui.h"
#include "prompter.h"
#include "plugin_ui.h"
#include "utils.h"
#include "gui_thread.h"

#include "i18n.h"

using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtkmm2ext;
using namespace Gtk;
using namespace sigc;

GenericPluginUI::GenericPluginUI (boost::shared_ptr<PluginInsert> pi, bool scrollable)
      : PlugUIBase (pi),
        button_table (initial_button_rows, initial_button_cols),
        output_table (initial_output_rows, initial_output_cols),
        hAdjustment(0.0, 0.0, 0.0),
        vAdjustment(0.0, 0.0, 0.0),
        scroller_view(hAdjustment, vAdjustment),
        automation_menu (0),
        is_scrollable(scrollable)
{
      set_name ("PluginEditor");
      set_border_width (10);
      set_homogeneous (false);

      HBox* constraint_hbox = manage (new HBox);
      HBox* smaller_hbox = manage (new HBox);
      Label* combo_label = manage (new Label (_("<span size=\"large\">Presets</span>")));
      combo_label->set_use_markup (true);

      smaller_hbox->pack_start (*combo_label, false, false, 10);
      smaller_hbox->pack_start (preset_combo, false, false);
      smaller_hbox->pack_start (save_button, false, false);
      smaller_hbox->pack_start (bypass_button, false, true);

      constraint_hbox->set_spacing (5);
      constraint_hbox->set_homogeneous (false);
      
      VBox* v1_box = manage (new VBox);
      VBox* v2_box = manage (new VBox);

      v1_box->pack_start (*smaller_hbox, false, true);
      v2_box->pack_start (focus_button, false, true);

      constraint_hbox->pack_end (*v2_box, false, false);
      constraint_hbox->pack_end (*v1_box, false, false);

      pack_start (*constraint_hbox, false, false);

      if ( is_scrollable ) {
            scroller.set_policy (Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
            scroller.set_name ("PluginEditor");
            scroller_view.set_name("PluginEditor");
            scroller_view.add (hpacker);
            scroller.add (scroller_view);
            
            pack_start (scroller, true, true);

      }
      else {
            pack_start (hpacker, false, false);
      }

      build ();
}

GenericPluginUI::~GenericPluginUI ()
{
      if (output_controls.size() > 0) {
            screen_update_connection.disconnect();
      }
}

void
GenericPluginUI::build ()

{
      guint32 i = 0;
      guint32 x = 0;
      Frame* frame;
      Frame* bt_frame;
      VBox* box;
      int output_row, output_col;
      int button_row, button_col;
      int output_rows, output_cols;
      int button_rows, button_cols;
      guint32 n_ins=0, n_outs = 0;

      prefheight = 30;
      hpacker.set_spacing (10);

      output_rows = initial_output_rows;
      output_cols = initial_output_cols;
      button_rows = initial_button_rows;
      button_cols = initial_button_cols;
      output_row = 0;
      button_row = 0;
      output_col = 0;
      button_col = 0;

      button_table.set_homogeneous (false);
      button_table.set_row_spacings (2);
      button_table.set_col_spacings (2);
      output_table.set_homogeneous (true);
      output_table.set_row_spacings (2);
      output_table.set_col_spacings (2);
      button_table.set_border_width (5);
      output_table.set_border_width (5);

      hpacker.set_border_width (10);

      bt_frame = manage (new Frame);
      bt_frame->set_name ("BaseFrame");
      bt_frame->add (button_table);
      hpacker.pack_start(*bt_frame, true, true);

      box = manage (new VBox);
      box->set_border_width (5);
      box->set_spacing (1);

      frame = manage (new Frame);
      frame->set_name ("BaseFrame");
      frame->set_label (_("Controls"));
      frame->add (*box);
      hpacker.pack_start(*frame, true, true);

      /* find all ports. build control elements for all appropriate control ports */

      for (i = 0; i < plugin->parameter_count(); ++i) {

            if (plugin->parameter_is_control (i)) {
                  
                  /* Don't show latency control ports */

                  if (plugin->describe_parameter (i) == X_("latency")) {
                        continue;
                  }

                  ControlUI* cui;
      
                  /* if we are scrollable, just use one long column */

                  if (!is_scrollable) {
                        if (x++ > 20){
                              frame = manage (new Frame);
                              frame->set_name ("BaseFrame");
                              box = manage (new VBox);
                              
                              box->set_border_width (5);
                              box->set_spacing (1);

                              frame->add (*box);
                              hpacker.pack_start(*frame,true,true);

                              x = 1;
                        }
                  }

                  if ((cui = build_control_ui (i, plugin->get_nth_control (i))) == 0) {
                        error << string_compose(_("Plugin Editor: could not build control element for port %1"), i) << endmsg;
                        continue;
                  }
                        
                  if (cui->control || cui->clickbox || cui->combo) {

                        box->pack_start (*cui, false, false);

                  } else if (cui->button) {

                        if (button_row == button_rows) {
                              button_row = 0;
                              if (++button_col == button_cols) {
                                    button_cols += 2;
                                    button_table.resize (button_rows, button_cols);
                              }
                        }

                        button_table.attach (*cui, button_col, button_col + 1, button_row, button_row+1, 
                                         FILL|EXPAND, FILL);
                        button_row++;

                  } else if (cui->display) {

                        output_table.attach (*cui, output_col, output_col + 1, output_row, output_row+1, 
                                         FILL|EXPAND, FILL);
                        
                        // TODO: The meters should be divided into multiple rows 
                        
                        if (++output_col == output_cols) {
                              output_cols ++;
                              output_table.resize (output_rows, output_cols);
                        }
                        
                        /* old code, which divides meters into
                         * columns first, rows later. New code divides into one row
                         
                        if (output_row == output_rows) {
                              output_row = 0;
                              if (++output_col == output_cols) {
                                    output_cols += 2;
                                    output_table.resize (output_rows, output_cols);
                              }
                        }
                        
                        output_table.attach (*cui, output_col, output_col + 1, output_row, output_row+1, 
                                         FILL|EXPAND, FILL);
 
                        output_row++;
                        */
                  }
                        
                  /* HACK: ideally the preferred height would be queried from
                     the complete hpacker, but I can't seem to get that
                     information in time, so this is an estimation 
                  */

                  prefheight += 30;

            } 
      }

      n_ins = plugin->get_info()->n_inputs;
      n_outs = plugin->get_info()->n_outputs;

      if (box->children().empty()) {
            hpacker.remove (*frame);
      }

      if (button_table.children().empty()) {
            hpacker.remove (*bt_frame);
      }

      if (!output_table.children().empty()) {
            frame = manage (new Frame);
            frame->set_name ("BaseFrame");
            frame->add (output_table);
            hpacker.pack_end (*frame, true, true);
      }

      output_update ();

      output_table.show_all ();
      button_table.show_all ();
}

GenericPluginUI::ControlUI::ControlUI ()
      : automate_button (X_("")) // force creation of a label 
{
      automate_button.set_name ("PluginAutomateButton");
      ARDOUR_UI::instance()->tooltips().set_tip (automate_button, _("Automation control"));

      /* XXX translators: use a string here that will be at least as long
         as the longest automation label (see ::automation_state_changed()
         below). be sure to include a descender.
      */

      set_size_request_to_display_given_text (*automate_button.get_child(), _("Mgnual"), 5, 5);

      ignore_change = 0;
      display = 0;
      button = 0;
      control = 0;
      clickbox = 0;
      adjustment = 0;
      meterinfo = 0;
}

GenericPluginUI::ControlUI::~ControlUI() 
{
      if (adjustment) {
            delete adjustment;
      }

      if (meterinfo) {
            delete meterinfo->meter;
            delete meterinfo;
      }
}

void
GenericPluginUI::automation_state_changed (ControlUI* cui)
{
      /* update button label */

      switch (insert->get_port_automation_state (cui->port_index) & (Off|Play|Touch|Write)) {
      case Off:
            cui->automate_button.set_label (_("Manual"));
            break;
      case Play:
            cui->automate_button.set_label (_("Play"));
            break;
      case Write:
            cui->automate_button.set_label (_("Write"));
            break;
      case Touch:
            cui->automate_button.set_label (_("Touch"));
            break;
      default:
            cui->automate_button.set_label (_("???"));
            break;
      }
}


static void integer_printer (char buf[32], Adjustment &adj, void *arg)
{
      snprintf (buf, 32, "%.0f", adj.get_value());
}

void
GenericPluginUI::print_parameter (char *buf, uint32_t len, uint32_t param)
{
      plugin->print_parameter (param, buf, len);
}

GenericPluginUI::ControlUI*
GenericPluginUI::build_control_ui (guint32 port_index, PBD::Controllable* mcontrol)

{
      ControlUI* control_ui;
      Plugin::ParameterDescriptor desc;

      plugin->get_parameter_descriptor (port_index, desc);

      control_ui = manage (new ControlUI ());
      control_ui->adjustment = 0;
      control_ui->combo = 0;
      control_ui->combo_map = 0;
      control_ui->port_index = port_index;
      control_ui->update_pending = false;
      control_ui->label.set_text (desc.label);
      control_ui->label.set_alignment (0.0, 0.5);
      control_ui->label.set_name ("PluginParameterLabel");

      control_ui->set_spacing (5);

      Gtk::Requisition req (control_ui->automate_button.size_request());

      if (plugin->parameter_is_input (port_index)) {

            boost::shared_ptr<LadspaPlugin> lp;
#ifdef HAVE_LV2
            boost::shared_ptr<LV2Plugin> lv2p;
#endif
            if ((lp = boost::dynamic_pointer_cast<LadspaPlugin>(plugin)) != 0) {

                  // all LADPSA plugins have a numeric unique ID
                  uint32_t id = atol (lp->unique_id().c_str());

                  lrdf_defaults* defaults = lrdf_get_scale_values(id, port_index);
                  
                  if (defaults && defaults->count > 0)      {
                        
                        control_ui->combo = new Gtk::ComboBoxText;
                        //control_ui->combo->set_value_in_list(true, false);
                        set_popdown_strings (*control_ui->combo, setup_scale_values(port_index, control_ui));
                        control_ui->combo->signal_changed().connect (bind (mem_fun(*this, &GenericPluginUI::control_combo_changed), control_ui));
                        plugin->ParameterChanged.connect (bind (mem_fun (*this, &GenericPluginUI::parameter_changed), control_ui));
                        control_ui->pack_start(control_ui->label, true, true);
                        control_ui->pack_start(*control_ui->combo, false, true);
                        
                        update_control_display(control_ui);
                        
                        lrdf_free_setting_values(defaults);
                        return control_ui;
                  }

#ifdef HAVE_LV2
            } else if ((lv2p = boost::dynamic_pointer_cast<LV2Plugin>(plugin)) != 0) {

                  SLV2Port port = lv2p->slv2_port(port_index);
                  SLV2ScalePoints points = slv2_port_get_scale_points(lv2p->slv2_plugin(), port);

                  if (points) {
                        control_ui->combo = new Gtk::ComboBoxText;
                        //control_ui->combo->set_value_in_list(true, false);
                        set_popdown_strings (*control_ui->combo, setup_scale_values(port_index, control_ui));
                        control_ui->combo->signal_changed().connect (bind (mem_fun(*this, &GenericPluginUI::control_combo_changed), control_ui));
                        plugin->ParameterChanged.connect (bind (mem_fun (*this, &GenericPluginUI::parameter_changed), control_ui));
                        control_ui->pack_start(control_ui->label, true, true);
                        control_ui->pack_start(*control_ui->combo, false, true);
                        
                        update_control_display(control_ui);
                        
                        slv2_scale_points_free(points);
                        return control_ui;
                  }
#endif
            }
                  
            if (desc.toggled) {

                  /* Build a button */
            
                  control_ui->button = manage (new ToggleButton ());
                  control_ui->button->set_name ("PluginEditorButton");
                  control_ui->button->set_size_request (20, 20);

                  control_ui->pack_start (control_ui->label, true, true);
                  control_ui->pack_start (*control_ui->button, false, true);
                  //control_ui->pack_start (control_ui->automate_button, false, false);

                  if(plugin->get_parameter (port_index) > 0.5){
                        control_ui->button->set_active(true);
                  }

                  control_ui->button->signal_clicked().connect (bind (mem_fun(*this, &GenericPluginUI::control_port_toggled), control_ui));
            
                  plugin->ParameterChanged.connect (bind (mem_fun(*this, &GenericPluginUI::toggle_parameter_changed), control_ui));
      
                  return control_ui;
            }
      
            control_ui->adjustment = new Adjustment (0, 0, 0, 0, 0);

            /* XXX this code is not right yet, because it doesn't handle
               the absence of bounds in any sensible fashion.
            */

            control_ui->adjustment->set_lower (desc.lower);
            control_ui->adjustment->set_upper (desc.upper);

            control_ui->logarithmic = desc.logarithmic;
            if (control_ui->logarithmic) {
                  if (control_ui->adjustment->get_lower() == 0.0) {
                        control_ui->adjustment->set_lower (control_ui->adjustment->get_upper()/10000);
                  }
                  control_ui->adjustment->set_upper (log(control_ui->adjustment->get_upper()));
                  control_ui->adjustment->set_lower (log(control_ui->adjustment->get_lower()));
            }
      
            control_ui->adjustment->set_step_increment (desc.step);
            control_ui->adjustment->set_page_increment (desc.largestep);

            if (desc.integer_step) {
                  control_ui->clickbox = new ClickBox (control_ui->adjustment, "PluginUIClickBox");
                  Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->clickbox, "g9999999", 2, 2);
                  control_ui->clickbox->set_print_func (integer_printer, 0);
            } else {
                  sigc::slot<void,char*,uint32_t> pslot = sigc::bind (mem_fun(*this, &GenericPluginUI::print_parameter), (uint32_t) port_index);

                  control_ui->control = new BarController (*control_ui->adjustment, *mcontrol, pslot);
                  control_ui->control->set_size_request (200, req.height);
                  control_ui->control->set_name (X_("PluginSlider"));
                  control_ui->control->set_style (BarController::LeftToRight);
                  control_ui->control->set_use_parent (true);
                  control_ui->control->set_logarithmic (control_ui->logarithmic);

                  control_ui->control->StartGesture.connect (bind (mem_fun(*this, &GenericPluginUI::start_touch), control_ui));
                  control_ui->control->StopGesture.connect (bind (mem_fun(*this, &GenericPluginUI::stop_touch), control_ui));
                  
            }

            if (control_ui->logarithmic) {
                  control_ui->adjustment->set_value(log(plugin->get_parameter(port_index)));
            } else{
                  control_ui->adjustment->set_value(plugin->get_parameter(port_index));
            }

            /* XXX memory leak: SliderController not destroyed by ControlUI
               destructor, and manage() reports object hierarchy
               ambiguity.
            */

            control_ui->pack_start (control_ui->label, true, true);
            if (desc.integer_step) {
                  control_ui->pack_start (*control_ui->clickbox, false, false);
            } else {
                  control_ui->pack_start (*control_ui->control, false, false);
            }

            control_ui->pack_start (control_ui->automate_button, false, false);
            control_ui->adjustment->signal_value_changed().connect (bind (mem_fun(*this, &GenericPluginUI::control_adjustment_changed), control_ui));
            control_ui->automate_button.signal_clicked().connect (bind (mem_fun(*this, &GenericPluginUI::astate_clicked), control_ui, (uint32_t) port_index));

            automation_state_changed (control_ui);

            plugin->ParameterChanged.connect (bind (mem_fun(*this, &GenericPluginUI::parameter_changed), control_ui));
            insert->automation_list (port_index).automation_state_changed.connect 
                  (bind (mem_fun(*this, &GenericPluginUI::automation_state_changed), control_ui));

      } else if (plugin->parameter_is_output (port_index)) {

            control_ui->display = manage (new EventBox);
            control_ui->display->set_name ("ParameterValueDisplay");

            control_ui->display_label = manage (new Label);

            control_ui->display_label->set_name ("ParameterValueDisplay");

            control_ui->display->add (*control_ui->display_label);
            Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->display, "-99,99", 2, 2);

            control_ui->display->show_all ();

            /* set up a meter */
            /* TODO: only make a meter if the port is Hinted for it */

            MeterInfo * info = new MeterInfo(port_index);
            control_ui->meterinfo = info;
            
            info->meter = new FastMeter (5, 5, FastMeter::Vertical);

            info->min_unbound = desc.min_unbound;
            info->max_unbound = desc.max_unbound;

            info->min = desc.lower;
            info->max = desc.upper;

            control_ui->vbox = manage (new VBox);
            control_ui->hbox = manage (new HBox);
            
            control_ui->label.set_angle(90);
            control_ui->hbox->pack_start (control_ui->label, false, false);
            control_ui->hbox->pack_start (*info->meter, false, false);

            control_ui->vbox->pack_start (*control_ui->hbox, false, false);
            
            control_ui->vbox->pack_start (*control_ui->display, false, false);

            control_ui->pack_start (*control_ui->vbox);

            control_ui->meterinfo->meter->show_all();
            control_ui->meterinfo->packed = true;
            
            output_controls.push_back (control_ui);

            plugin->ParameterChanged.connect (bind (mem_fun(*this, &GenericPluginUI::parameter_changed), control_ui));
      }
      
      return control_ui;
}

void
GenericPluginUI::start_touch (GenericPluginUI::ControlUI* cui)
{
      insert->automation_list (cui->port_index).start_touch ();
}

void
GenericPluginUI::stop_touch (GenericPluginUI::ControlUI* cui)
{
      insert->automation_list (cui->port_index).stop_touch ();
}

void
GenericPluginUI::astate_clicked (ControlUI* cui, uint32_t port)
{
      using namespace Menu_Helpers;

      if (automation_menu == 0) {
            automation_menu = manage (new Menu);
            automation_menu->set_name ("ArdourContextMenu");
      } 

      MenuList& items (automation_menu->items());

      items.clear ();
      items.push_back (MenuElem (_("Manual"), 
                           bind (mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Off, cui)));
      items.push_back (MenuElem (_("Play"),
                           bind (mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Play, cui)));
      items.push_back (MenuElem (_("Write"),
                           bind (mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Write, cui)));
      items.push_back (MenuElem (_("Touch"),
                           bind (mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Touch, cui)));

      automation_menu->popup (1, gtk_get_current_event_time());
}

void
GenericPluginUI::set_automation_state (AutoState state, ControlUI* cui)
{
      insert->set_port_automation_state (cui->port_index, state);
}

void
GenericPluginUI::control_adjustment_changed (ControlUI* cui)
{
      if (cui->ignore_change) {
            return;
      }

      double value = cui->adjustment->get_value();

      if (cui->logarithmic) {
            value = exp(value);
      }

      insert->set_parameter (cui->port_index, (float) value);
}

void
GenericPluginUI::toggle_parameter_changed (uint32_t abs_port_id, float val, ControlUI* cui)
{
      if (!cui->ignore_change && cui->port_index == abs_port_id) {
            if (val > 0.5) {
                  cui->button->set_active (true);
            } else {
                  cui->button->set_active (false);
            }
      }
}

void
GenericPluginUI::parameter_changed (uint32_t abs_port_id, float val, ControlUI* cui)
{
      if (cui->port_index == abs_port_id) {
            if (!cui->update_pending) {
                  cui->update_pending = true;
                  Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &GenericPluginUI::update_control_display), cui));
            }
      }
}

void
GenericPluginUI::update_control_display (ControlUI* cui)    
{
      /* XXX how do we handle logarithmic stuff here ? */
      
      cui->update_pending = false;

      float val = plugin->get_parameter (cui->port_index);

      cui->ignore_change++;
      if (cui->combo) {
              std::map<string,float>::iterator it;
            for (it = cui->combo_map->begin(); it != cui->combo_map->end(); ++it) {
                  if (it->second == val) {
                        cui->combo->set_active_text(it->first);
                        break;
                  }
            }
      } else {
            if (cui->logarithmic) {
                  val = log(val);
            }
            if (val != cui->adjustment->get_value()) {
                  cui->adjustment->set_value (val);
            }
      }
      cui->ignore_change--;
}

void
GenericPluginUI::control_port_toggled (ControlUI* cui)
{
      cui->ignore_change++;
      insert->set_parameter (cui->port_index, cui->button->get_active());
      cui->ignore_change--;
}

void
GenericPluginUI::control_combo_changed (ControlUI* cui)
{
      if (!cui->ignore_change) {
            string value = cui->combo->get_active_text();
            std::map<string,float> mapping = *cui->combo_map;
            insert->set_parameter (cui->port_index, mapping[value]);
      }

}

bool
GenericPluginUI::start_updating (GdkEventAny* ignored)
{
      if (output_controls.size() > 0 ) {
            screen_update_connection.disconnect();
            screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect 
                  (mem_fun(*this, &GenericPluginUI::output_update));
      }
      return false;
}

bool
GenericPluginUI::stop_updating (GdkEventAny* ignored)
{
      if (output_controls.size() > 0 ) {
            screen_update_connection.disconnect();
      }
      return false;
}

void
GenericPluginUI::output_update ()
{
      for (vector<ControlUI*>::iterator i = output_controls.begin(); i != output_controls.end(); ++i) {
            float val = plugin->get_parameter ((*i)->port_index);
            char buf[32];
            snprintf (buf, sizeof(buf), "%.2f", val);
            (*i)->display_label->set_text (buf);

            /* autoscaling for the meter */
            if ((*i)->meterinfo && (*i)->meterinfo->packed) {
                  
                  if (val < (*i)->meterinfo->min) {
                        if ((*i)->meterinfo->min_unbound)
                              (*i)->meterinfo->min = val;
                        else
                              val = (*i)->meterinfo->min;
                  }

                  if (val > (*i)->meterinfo->max) {
                        if ((*i)->meterinfo->max_unbound)
                              (*i)->meterinfo->max = val;
                        else
                              val = (*i)->meterinfo->max;
                  }
                  
                  if ((*i)->meterinfo->max > (*i)->meterinfo->min ) {
                        float lval = (val - (*i)->meterinfo->min) / ((*i)->meterinfo->max - (*i)->meterinfo->min) ;
                        (*i)->meterinfo->meter->set (lval );
                  }
            }
      }
}

vector<string> 
GenericPluginUI::setup_scale_values(guint32 port_index, ControlUI* cui)
{
      vector<string> enums;
      boost::shared_ptr<LadspaPlugin> lp;
#ifdef HAVE_LV2
      boost::shared_ptr<LV2Plugin> lv2p;
#endif

      if ((lp = boost::dynamic_pointer_cast<LadspaPlugin>(plugin)) != 0) {
            // all LADPSA plugins have a numeric unique ID
            uint32_t id = atol (lp->unique_id().c_str());

            cui->combo_map = new std::map<string, float>;
            lrdf_defaults* defaults = lrdf_get_scale_values(id, port_index);
            if (defaults)     {
                  for (uint32_t i = 0; i < defaults->count; ++i) {
                        enums.push_back(defaults->items[i].label);
                        pair<string, float> newpair;
                        newpair.first = defaults->items[i].label;
                        newpair.second = defaults->items[i].value;
                        cui->combo_map->insert(newpair);
                  }

                  lrdf_free_setting_values(defaults);
            }

#ifdef HAVE_LV2
      } else if ((lv2p = boost::dynamic_pointer_cast<LV2Plugin>(plugin)) != 0) {

            SLV2Port port = lv2p->slv2_port(port_index);
            SLV2ScalePoints points = slv2_port_get_scale_points(lv2p->slv2_plugin(), port);
            cui->combo_map = new std::map<string, float>;
      
            for (unsigned i=0; i < slv2_scale_points_size(points); ++i) {
                  SLV2ScalePoint p = slv2_scale_points_get_at(points, i);
                  SLV2Value label = slv2_scale_point_get_label(p);
                  SLV2Value value = slv2_scale_point_get_value(p);
                  if (label && (slv2_value_is_float(value) || slv2_value_is_int(value))) {
                        enums.push_back(slv2_value_as_string(label));
                        pair<string, float> newpair;
                        newpair.first = slv2_value_as_string(label);
                        newpair.second = slv2_value_as_float(value);
                        cui->combo_map->insert(newpair);
                  }
            }

            slv2_scale_points_free(points);
#endif
      }
      

      return enums;
}

Generated by  Doxygen 1.6.0   Back to index