sfizz/plugins/vst/SfizzVstEditor.h
2021-04-28 17:41:37 +02:00

85 lines
2.6 KiB
C++

// SPDX-License-Identifier: BSD-2-Clause
// This code is part of the sfizz library and is licensed under a BSD 2-clause
// license. You should have receive a LICENSE.md file along with the code.
// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
#pragma once
#include "SfizzVstController.h"
#include "editor/EditorController.h"
#include "public.sdk/source/vst/vstguieditor.h"
#include "public.sdk/source/common/threadchecker.h"
#include <absl/types/span.h>
#include <mutex>
#include <set>
class Editor;
#if !defined(__APPLE__) && !defined(_WIN32)
namespace VSTGUI { class RunLoop; }
#endif
using namespace Steinberg;
using namespace VSTGUI;
class SfizzVstEditor : public Vst::VSTGUIEditor,
public EditorController {
public:
using Self = SfizzVstEditor;
SfizzVstEditor(SfizzVstController* controller, absl::Span<FObject*> updates);
~SfizzVstEditor();
bool PLUGIN_API open(void* parent, const VSTGUI::PlatformType& platformType) override;
void PLUGIN_API close() override;
SfizzVstController* getController() const
{
return static_cast<SfizzVstController*>(Vst::VSTGUIEditor::getController());
}
void updateEditorIsOpenParameter();
// VSTGUIEditor
CMessageResult notify(CBaseObject* sender, const char* message) override;
// FObject
void PLUGIN_API update(FUnknown* changedUnknown, int32 message) override;
//
private:
bool processUpdate(FUnknown* changedUnknown, int32 message);
void processParameterUpdates();
void updateParameter(Vst::Parameter* parameterToUpdate);
protected:
// EditorController
void uiSendValue(EditId id, const EditValue& v) override;
void uiBeginSend(EditId id) override;
void uiEndSend(EditId id) override;
void uiSendMIDI(const uint8_t* data, uint32_t len) override;
void uiSendMessage(const char* path, const char* sig, const sfizz_arg_t* args) override;
private:
void loadSfzFile(const std::string& filePath);
void loadScalaFile(const std::string& filePath);
Vst::ParamID parameterOfEditId(EditId id);
std::unique_ptr<Editor> editor_;
#if !defined(__APPLE__) && !defined(_WIN32)
SharedPointer<RunLoop> _runLoop;
#endif
// messaging
std::unique_ptr<uint8[]> oscTemp_;
// subscribed updates
std::vector<IPtr<FObject>> updates_;
// thread safety
std::unique_ptr<Vst::ThreadChecker> threadChecker_;
// parameters to process, whose values have received changes
// Note(jpc) it's because hosts send us parameter updates in the wrong thread..
std::set<Vst::ParamID> parametersToUpdate_;
std::mutex parametersToUpdateMutex_;
};