plugins/score-plugin-vst3/Vst3/commands.hpp

#pragma once
#include <Dataflow/Commands/CableHelpers.hpp>
 
#include <score/command/Command.hpp>
 
#include <pluginterfaces/vst/ivsteditcontroller.h>
 
namespace Process
{
class Port;
class Cable;
class Inlet;
}
namespace vst3
{
const CommandGroupKey& CommandFactoryName();
class Model;
class ControlInlet;
class SetControl final : public score::Command
{
  SCORE_COMMAND_DECL(CommandFactoryName(), SetControl, "Set a control")
 
public:
  SetControl(const ControlInlet& obj, float newval);
  virtual ~SetControl();
 
  void undo(const score::DocumentContext& ctx) const final override;
  void redo(const score::DocumentContext& ctx) const final override;
  void update(const ControlInlet& obj, float newval);
 
protected:
  void serializeImpl(DataStreamInput& stream) const final override;
  void deserializeImpl(DataStreamOutput& stream) final override;
 
private:
  Path<ControlInlet> m_path;
  float m_old, m_new;
};
 
class CreateControl final : public score::Command
{
  SCORE_COMMAND_DECL(CommandFactoryName(), CreateControl, "Create a control")
 
public:
  CreateControl(const Model& obj, Steinberg::Vst::ParamID fxNum);
  virtual ~CreateControl();
  void undo(const score::DocumentContext& ctx) const final override;
  void redo(const score::DocumentContext& ctx) const final override;
 
protected:
  void serializeImpl(DataStreamInput& stream) const final override;
  void deserializeImpl(DataStreamOutput& stream) final override;
 
private:
  Path<Model> m_path;
  Steinberg::Vst::ParamID m_fxNum{};
  static_assert(sizeof(Steinberg::Vst::ParamID) == sizeof(uint32_t));
};
 
class RemoveControl final : public score::Command
{
  SCORE_COMMAND_DECL(CommandFactoryName(), RemoveControl, "Remove a control")
 
public:
  RemoveControl(const Model& obj, Id<Process::Port> id);
  virtual ~RemoveControl();
  void undo(const score::DocumentContext& ctx) const final override;
  void redo(const score::DocumentContext& ctx) const final override;
 
protected:
  void serializeImpl(DataStreamInput& stream) const final override;
  void deserializeImpl(DataStreamOutput& stream) final override;
 
private:
  Path<Model> m_path;
  Id<Process::Port> m_id;
  QByteArray m_control;
  Dataflow::SerializedCables m_cables;
};
}