Window/WindowDevice.hpp

#pragma once
 
#include <Gfx/GfxParameter.hpp>
#include <Gfx/Graph/ScreenNode.hpp>
#include <Gfx/Graph/Window.hpp>
#include <Gfx/Settings/Model.hpp>
 
#include <core/application/ApplicationSettings.hpp>
#include <score/application/ApplicationContext.hpp>
 
#include <ossia/network/base/device.hpp>
#include <ossia/network/base/protocol.hpp>
#include <ossia/network/generic/generic_node.hpp>
 
#include <ossia-qt/invoke.hpp>
 
#include <QGuiApplication>
 
namespace Gfx
{
 
static score::gfx::ScreenNode* createScreenNode(
    SwapchainFlag swapFlag = SwapchainFlag::NoFlag,
    SwapchainFormat swapFormat = SwapchainFormat::SDR)
{
  const auto& settings = score::AppContext().applicationSettings;
  const auto& gfx_settings = score::AppContext().settings<Gfx::Settings::Model>();
 
  auto make_configuration = [&] {
    score::gfx::OutputNode::Configuration conf;
    double rate = gfx_settings.getRate();
    if(rate > 0)
      conf = {.manualRenderingRate = 1000. / rate, .supportsVSync = true};
    else
      conf = {.manualRenderingRate = {}, .supportsVSync = true};
    return conf;
  };
 
  auto node = new score::gfx::ScreenNode{
      make_configuration(), false, (settings.autoplay && !settings.gui)};
  node->setSwapchainFlag(swapFlag);
  node->setSwapchainFormat(swapFormat);
 
  QObject::connect(
      &gfx_settings, &Gfx::Settings::Model::RateChanged, node,
      [node, make_configuration] { node->setConfiguration(make_configuration()); });
 
  return node;
}
class window_device : public ossia::net::device_base
{
  score::gfx::ScreenNode* m_screen{};
  gfx_node_base m_root;
  QObject m_qtContext;
 
  ossia::net::parameter_base* scaled_win{};
  ossia::net::parameter_base* gl_win{};
  ossia::net::parameter_base* abs_win{};
  ossia::net::parameter_base* abs_tablet_win{};
  ossia::net::parameter_base* size_param{};
  ossia::net::parameter_base* rendersize_param{};
 
  void update_viewport()
  {
    auto v = rendersize_param->value();
    if(auto val = v.target<ossia::vec2f>())
    {
      auto dom = abs_win->get_domain();
      if((*val)[0] >= 1.f && (*val)[1] >= 1.f)
      {
        ossia::set_max(dom, *val);
        abs_win->set_domain(std::move(dom));
        abs_tablet_win->set_domain(std::move(dom));
      }
      else
      {
        // Use the normal size
        v = size_param->value();
        if(auto val = v.target<ossia::vec2f>())
        {
          auto dom = abs_win->get_domain();
          if((*val)[0] >= 1.f && (*val)[1] >= 1.f)
          {
            ossia::set_max(dom, *val);
            abs_win->set_domain(std::move(dom));
            abs_tablet_win->set_domain(std::move(dom));
          }
        }
      }
    }
    else
    {
      v = size_param->value();
      if(auto val = v.target<ossia::vec2f>())
      {
        auto dom = abs_win->get_domain();
        if((*val)[0] >= 1.f && (*val)[1] >= 1.f)
        {
          ossia::set_max(dom, *val);
          abs_win->set_domain(std::move(dom));
          abs_tablet_win->set_domain(std::move(dom));
        }
      }
    }
  }
 
public:
  score::gfx::ScreenNode* screen() const noexcept { return m_screen; }
  ~window_device()
  {
    if(auto w = m_screen->window())
      w->close();
 
    m_screen->onWindowMove = [](QPointF) { };
    m_screen->onMouseMove = [](QPointF, QPointF) { };
    m_screen->onTabletMove = [](QTabletEvent*) { };
    m_screen->onKey = [](int, const QString&) { };
    m_screen->onKeyRelease = [](int, const QString&) { };
    m_screen->onFps = [](float) { };
    m_protocol->stop();
 
    m_root.clear_children();
 
    m_protocol.reset();
  }
 
  window_device(
      std::unique_ptr<gfx_protocol_base> proto, std::string name,
      SwapchainFlag swapFlag = SwapchainFlag::NoFlag,
      SwapchainFormat swapFormat = SwapchainFormat::SDR)
      : ossia::net::device_base{std::move(proto)}
      , m_screen{createScreenNode(swapFlag, swapFormat)}
      , m_root{*this, *static_cast<gfx_protocol_base*>(m_protocol.get()), m_screen, name}
  {
    this->m_capabilities.change_tree = true;
    m_screen->setTitle(QString::fromStdString(name));
 
    {
      auto screen_node
          = std::make_unique<ossia::net::generic_node>("screen", *this, m_root);
      auto screen_param = screen_node->create_parameter(ossia::val_type::STRING);
      screen_param->set_domain(ossia::make_domain(int(0), int(100)));
      screen_param->add_callback([this](const ossia::value& v) {
        if(auto val = v.target<int>())
        {
          ossia::qt::run_async(&m_qtContext, [screen = this->m_screen, scr = *val] {
            const auto& cur_screens = qGuiApp->screens();
            if(ossia::valid_index(scr, cur_screens))
            {
              screen->setScreen(cur_screens[scr]);
            }
          });
        }
        else if(auto val = v.target<std::string>())
        {
          ossia::qt::run_async(&m_qtContext, [screen = this->m_screen, scr = *val] {
            const auto& cur_screens = qGuiApp->screens();
            for(auto s : cur_screens)
            {
              if(s->name() == scr.c_str())
              {
                screen->setScreen(s);
                break;
              }
            }
          });
        }
      });
      m_root.add_child(std::move(screen_node));
    }
 
    {
      struct move_window_lock
      {
        bool locked{};
      };
      auto lock = std::make_shared<move_window_lock>();
 
      auto pos_node
          = std::make_unique<ossia::net::generic_node>("position", *this, m_root);
      auto pos_param = pos_node->create_parameter(ossia::val_type::VEC2F);
      pos_param->push_value(
          ossia::vec2f{100.f, 100.f}); // FIXME Try to detect center of screen ?
      pos_param->add_callback([this, lock](const ossia::value& v) {
        if(lock->locked)
          return;
        if(auto val = v.target<ossia::vec2f>())
        {
          ossia::qt::run_async(&m_qtContext, [screen = this->m_screen, v = *val, lock] {
            screen->setPosition({(int)v[0], (int)v[1]});
          });
        }
      });
 
      m_screen->onWindowMove = [this, pos_param, lock](QPointF pos) {
        if(lock->locked)
          return;
        if(const auto& w = m_screen->window())
        {
          lock->locked = true;
          pos_param->set_value(ossia::vec2f{float(pos.x()), float(pos.y())});
          lock->locked = false;
        }
      };
      m_root.add_child(std::move(pos_node));
    }
 
    // Mouse input
    {
      auto node = std::make_unique<ossia::net::generic_node>("cursor", *this, m_root);
      {
        auto scale_node
            = std::make_unique<ossia::net::generic_node>("scaled", *this, *node);
        scaled_win = scale_node->create_parameter(ossia::val_type::VEC2F);
        scaled_win->set_domain(ossia::make_domain(0.f, 1.f));
        scaled_win->push_value(ossia::vec2f{0.f, 0.f});
        node->add_child(std::move(scale_node));
      }
      {
        // Same as scaled but with y down like opengl
        auto scale_node = std::make_unique<ossia::net::generic_node>("gl", *this, *node);
        gl_win = scale_node->create_parameter(ossia::val_type::VEC2F);
        gl_win->set_domain(ossia::make_domain(0.f, 1.f));
        gl_win->push_value(ossia::vec2f{0.f, 0.f});
        node->add_child(std::move(scale_node));
      }
      {
        auto abs_node
            = std::make_unique<ossia::net::generic_node>("absolute", *this, *node);
        abs_win = abs_node->create_parameter(ossia::val_type::VEC2F);
        abs_win->set_domain(
            ossia::make_domain(ossia::vec2f{0.f, 0.f}, ossia::vec2f{1280, 270.f}));
        abs_win->push_value(ossia::vec2f{0.f, 0.f});
        node->add_child(std::move(abs_node));
      }
      {
        auto visible
            = std::make_unique<ossia::net::generic_node>("visible", *this, *node);
        auto param = visible->create_parameter(ossia::val_type::BOOL);
        param->add_callback([this](const ossia::value& v) {
          if(auto val = v.target<bool>())
          {
            ossia::qt::run_async(&m_qtContext, [screen = this->m_screen, v = *val] {
              screen->setCursor(v);
            });
          }
        });
        node->add_child(std::move(visible));
      }
 
      m_screen->onMouseMove = [this](const QPointF screen, const QPointF win) {
        if(const auto& w = m_screen->window())
        {
          const auto sz = w->size();
          scaled_win->push_value(
              ossia::vec2f{float(win.x() / sz.width()), float(win.y() / sz.height())});
          gl_win->push_value(
              ossia::vec2f{
                  float(win.x() / sz.width()), 1.f - float(win.y() / sz.height())});
          abs_win->push_value(ossia::vec2f{float(win.x()), float(win.y())});
        }
      };
 
      m_root.add_child(std::move(node));
    }
 
    // Tablet input
    ossia::net::parameter_base* scaled_tablet_win{};
    {
      auto node = std::make_unique<ossia::net::generic_node>("tablet", *this, m_root);
      ossia::net::parameter_base* tablet_pressure{};
      ossia::net::parameter_base* tablet_z{};
      ossia::net::parameter_base* tablet_tan{};
      ossia::net::parameter_base* tablet_rot{};
      ossia::net::parameter_base* tablet_tilt_x{};
      ossia::net::parameter_base* tablet_tilt_y{};
      {
        auto scale_node
            = std::make_unique<ossia::net::generic_node>("scaled", *this, *node);
        scaled_tablet_win = scale_node->create_parameter(ossia::val_type::VEC2F);
        scaled_tablet_win->set_domain(ossia::make_domain(0.f, 1.f));
        scaled_tablet_win->push_value(ossia::vec2f{0.f, 0.f});
        node->add_child(std::move(scale_node));
      }
      {
        auto abs_node
            = std::make_unique<ossia::net::generic_node>("absolute", *this, *node);
        abs_tablet_win = abs_node->create_parameter(ossia::val_type::VEC2F);
        abs_tablet_win->set_domain(
            ossia::make_domain(ossia::vec2f{0.f, 0.f}, ossia::vec2f{1280, 270.f}));
        abs_tablet_win->push_value(ossia::vec2f{0.f, 0.f});
        node->add_child(std::move(abs_node));
      }
      {
        auto scale_node = std::make_unique<ossia::net::generic_node>("z", *this, *node);
        tablet_z = scale_node->create_parameter(ossia::val_type::INT);
        node->add_child(std::move(scale_node));
      }
      {
        auto scale_node
            = std::make_unique<ossia::net::generic_node>("pressure", *this, *node);
        tablet_pressure = scale_node->create_parameter(ossia::val_type::FLOAT);
        //tablet_pressure->set_domain(ossia::make_domain(0.f, 1.f));
        //tablet_pressure->push_value(0.f);
        node->add_child(std::move(scale_node));
      }
      {
        auto scale_node
            = std::make_unique<ossia::net::generic_node>("tangential", *this, *node);
        tablet_tan = scale_node->create_parameter(ossia::val_type::FLOAT);
        tablet_tan->set_domain(ossia::make_domain(-1.f, 1.f));
        //tablet_tan->push_value(0.f);
        node->add_child(std::move(scale_node));
      }
      {
        auto scale_node
            = std::make_unique<ossia::net::generic_node>("rotation", *this, *node);
        tablet_rot = scale_node->create_parameter(ossia::val_type::FLOAT);
        tablet_rot->set_unit(ossia::degree_u{});
        tablet_rot->set_domain(ossia::make_domain(-180.f, 180.f));
        node->add_child(std::move(scale_node));
      }
      {
        auto scale_node
            = std::make_unique<ossia::net::generic_node>("tilt_x", *this, *node);
        tablet_tilt_x = scale_node->create_parameter(ossia::val_type::FLOAT);
        tablet_tilt_x->set_domain(ossia::make_domain(-60.f, 60.f));
        tablet_tilt_x->set_unit(ossia::degree_u{});
        node->add_child(std::move(scale_node));
      }
      {
        auto scale_node
            = std::make_unique<ossia::net::generic_node>("tilt_y", *this, *node);
        tablet_tilt_y = scale_node->create_parameter(ossia::val_type::FLOAT);
        tablet_tilt_y->set_domain(ossia::make_domain(-60.f, 60.f));
        tablet_tilt_y->set_unit(ossia::degree_u{});
        node->add_child(std::move(scale_node));
      }
 
      m_screen->onTabletMove = [=, this](QTabletEvent* ev) {
        if(const auto& w = m_screen->window())
        {
          const auto sz = w->size();
          const auto win = ev->position();
          scaled_tablet_win->push_value(
              ossia::vec2f{float(win.x() / sz.width()), float(win.y() / sz.height())});
          abs_tablet_win->push_value(ossia::vec2f{float(win.x()), float(win.y())});
          tablet_pressure->push_value(ev->pressure());
          tablet_tan->push_value(ev->tangentialPressure());
          tablet_rot->push_value(ev->rotation());
          tablet_z->push_value(ev->z());
          tablet_tilt_x->push_value(ev->xTilt());
          tablet_tilt_y->push_value(ev->yTilt());
        }
      };
 
      m_root.add_child(std::move(node));
    }
 
    {
      auto size_node = std::make_unique<ossia::net::generic_node>("size", *this, m_root);
      size_param = size_node->create_parameter(ossia::val_type::VEC2F);
      size_param->push_value(ossia::vec2f{1280.f, 720.f});
      size_param->add_callback([this](const ossia::value& v) {
        if(auto val = v.target<ossia::vec2f>())
        {
          ossia::qt::run_async(&m_qtContext, [screen = this->m_screen, v = *val] {
            screen->setSize({(int)v[0], (int)v[1]});
          });
 
          update_viewport();
        }
      });
 
      m_root.add_child(std::move(size_node));
    }
 
    {
      auto size_node
          = std::make_unique<ossia::net::generic_node>("rendersize", *this, m_root);
      ossia::net::set_description(
          *size_node, "Set to [0, 0] to use the viewport's size");
 
      rendersize_param = size_node->create_parameter(ossia::val_type::VEC2F);
      rendersize_param->push_value(ossia::vec2f{0.f, 0.f});
      rendersize_param->add_callback([this](const ossia::value& v) {
        if(auto val = v.target<ossia::vec2f>())
        {
          ossia::qt::run_async(&m_qtContext, [screen = this->m_screen, v = *val] {
            screen->setRenderSize({(int)v[0], (int)v[1]});
          });
 
          update_viewport();
        }
      });
 
      m_root.add_child(std::move(size_node));
    }
 
    // Keyboard input
    {
      auto node = std::make_unique<ossia::net::generic_node>("key", *this, m_root);
      {
        auto press_node
            = std::make_unique<ossia::net::generic_node>("press", *this, *node);
        ossia::net::parameter_base* press_param{};
        ossia::net::parameter_base* text_param{};
        {
          auto code_node
              = std::make_unique<ossia::net::generic_node>("code", *this, *press_node);
          press_param = code_node->create_parameter(ossia::val_type::INT);
          press_param->push_value(ossia::vec2f{0.f, 0.f});
          press_node->add_child(std::move(code_node));
        }
        {
          auto text_node
              = std::make_unique<ossia::net::generic_node>("text", *this, *press_node);
          text_param = text_node->create_parameter(ossia::val_type::STRING);
          press_node->add_child(std::move(text_node));
        }
 
        m_screen->onKey = [press_param, text_param](int key, const QString& text) {
          press_param->push_value(key);
          text_param->push_value(text.toStdString());
        };
        node->add_child(std::move(press_node));
      }
      {
        auto release_node
            = std::make_unique<ossia::net::generic_node>("release", *this, *node);
        ossia::net::parameter_base* press_param{};
        ossia::net::parameter_base* text_param{};
        {
          auto code_node
              = std::make_unique<ossia::net::generic_node>("code", *this, *release_node);
          press_param = code_node->create_parameter(ossia::val_type::INT);
          press_param->push_value(ossia::vec2f{0.f, 0.f});
          release_node->add_child(std::move(code_node));
        }
        {
          auto text_node
              = std::make_unique<ossia::net::generic_node>("text", *this, *release_node);
          text_param = text_node->create_parameter(ossia::val_type::STRING);
          release_node->add_child(std::move(text_node));
        }
 
        m_screen->onKeyRelease
            = [press_param, text_param](int key, const QString& text) {
          press_param->push_value(key);
          text_param->push_value(text.toStdString());
        };
        node->add_child(std::move(release_node));
      }
 
      m_root.add_child(std::move(node));
    }
 
    {
      auto fs_node
          = std::make_unique<ossia::net::generic_node>("fullscreen", *this, m_root);
      auto fs_param = fs_node->create_parameter(ossia::val_type::BOOL);
      fs_param->add_callback([this](const ossia::value& v) {
        if(auto val = v.target<bool>())
        {
          ossia::qt::run_async(&m_qtContext, [screen = this->m_screen, v = *val] {
            screen->setFullScreen(v);
          });
        }
      });
      m_root.add_child(std::move(fs_node));
    }
 
    {
      auto fps_node = std::make_unique<ossia::net::generic_node>("fps", *this, m_root);
      auto fps_param = fps_node->create_parameter(ossia::val_type::FLOAT);
      m_screen->onFps = [fps_param](float fps) { fps_param->push_value(fps); };
      m_root.add_child(std::move(fps_node));
    }
  }
 
  const gfx_node_base& get_root_node() const override { return m_root; }
  gfx_node_base& get_root_node() override { return m_root; }
};
 
}