OssiaUI.h

/************************************************************************
    FAUST Architecture File
    Copyright (C) 2003-2011 GRAME, Centre National de Creation Musicale
    ---------------------------------------------------------------------
    This Architecture section 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 3 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, see <http://www.gnu.org/licenses/>.
 
    EXCEPTION : As a special exception, you may create a larger work
    that contains this FAUST architecture section and distribute
    that work under terms of your choice, so long as this FAUST
    architecture section is not modified.
 
 
 ************************************************************************
 ************************************************************************/
 
#ifndef FAUST_OSSIAUI_H
#define FAUST_OSSIAUI_H
 
#ifndef FAUSTFLOAT
#define FAUSTFLOAT float
#endif
 
#include "faust/gui/PathBuilder.h"
#include "faust/gui/UI.h"
 
#include <ossia/network/domain/domain.hpp>
#include <ossia/network/generic/generic_device.hpp>
#include <ossia/network/generic/generic_node.hpp>
#include <ossia/network/generic/generic_parameter.hpp>
#include <ossia/network/oscquery/oscquery_server.hpp>
 
class OssiaUI final : public PathBuilder, public UI
{
  ossia::net::generic_device m_dev;
  ossia::net::node_base* m_curNode{};
 
  std::vector<std::pair<ossia::net::parameter_base*, FAUSTFLOAT*>> m_values;
  std::atomic_bool m_running;
 
public:
  OssiaUI(uint16_t osc_port, uint16_t ws_port)
      : m_dev{std::make_unique<ossia::oscquery::oscquery_server_protocol>(osc_port, ws_port), "Faust"}
      , m_curNode{&m_dev.get_root_node()}
  {
  }
 
  ~OssiaUI()
  {
  }
 
  void run(int ms)
  {
    while(true)
    {
      std::this_thread::sleep_for(std::chrono::milliseconds(ms));
      for(auto p : m_values)
        p.first->push_value(*p.second);
    }
  }
 
private:
  void openTabBox(const char* label) override
  {
    m_curNode = m_curNode->create_child(label);
  }
  void openHorizontalBox(const char* label) override
  {
    m_curNode = m_curNode->create_child(label);
  }
  void openVerticalBox(const char* label) override
  {
    m_curNode = m_curNode->create_child(label);
  }
  void closeBox() override
  {
    m_curNode = m_curNode->get_parent();
  }
 
  // -- active widgets
  void addButton(const char* label, FAUSTFLOAT* zone) override
  {
    auto n = m_curNode->create_child(label);
    auto a = n->create_parameter(ossia::val_type::BOOL);
    a->add_callback(
        [zone](const ossia::value& val) { *zone = val.get<bool>() ? 1.0 : 0.0; });
  }
 
  void addCheckButton(const char* label, FAUSTFLOAT* zone) override
  {
    addButton(label, zone);
  }
 
  void addVerticalSlider(
      const char* label, FAUSTFLOAT* zone, FAUSTFLOAT init, FAUSTFLOAT min,
      FAUSTFLOAT max, FAUSTFLOAT step) override
  {
    auto n = m_curNode->create_child(label);
    auto a = n->create_parameter(ossia::val_type::FLOAT);
    ossia::net::set_default_value(*n, init);
    ossia::net::set_domain(*n, ossia::make_domain(min, max));
    ossia::net::set_value_step_size(*n, step);
    a->add_callback([zone](const ossia::value& val) { *zone = val.get<float>(); });
  }
 
  void addHorizontalSlider(
      const char* label, FAUSTFLOAT* zone, FAUSTFLOAT init, FAUSTFLOAT min,
      FAUSTFLOAT max, FAUSTFLOAT step) override
  {
    addVerticalSlider(label, zone, init, min, max, step);
  }
 
  void addNumEntry(
      const char* label, FAUSTFLOAT* zone, FAUSTFLOAT init, FAUSTFLOAT min,
      FAUSTFLOAT max, FAUSTFLOAT step) override
  {
    addVerticalSlider(label, zone, init, min, max, step);
  }
 
  // -- passive widgets
  void addHorizontalBargraph(
      const char* label, FAUSTFLOAT* zone, FAUSTFLOAT min, FAUSTFLOAT max) override
  {
    auto n = m_curNode->create_child(label);
    auto a = n->create_parameter(ossia::val_type::FLOAT);
    ossia::net::set_domain(*n, ossia::make_domain(min, max));
    ossia::net::set_access_mode(*n, ossia::access_mode::GET);
 
    m_values.push_back({a, zone});
  }
  void addVerticalBargraph(
      const char* label, FAUSTFLOAT* zone, FAUSTFLOAT min, FAUSTFLOAT max) override
  {
    addHorizontalBargraph(label, zone, min, max);
  }
 
  // -- metadata declarations
  void declare(FAUSTFLOAT* zone, const char* key, const char* val) override
  {
    std::cout << "declare key : " << key << " val : " << val << std::endl;
  }
};
 
#endif