// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "ChannelRackItem.h"
#include "SCompoundWidget.h"
#include "SListView.h"
#include "UI/Widget/IChildWindow.h"

class FPattern;
class FMidiPattern;
class SScrollBox;
class FPluginHost;

/**
 * 
 */
class ARONA_API SChannelRack : public SCompoundWidget, public IChildWindow
{
public:
	SLATE_BEGIN_ARGS(SChannelRack)
		{
		}

	SLATE_END_ARGS()

	/** Constructs this widget with InArgs */
	void Construct(const FArguments& InArgs);

	virtual TSharedRef<SWidget> GetWidget() override { return AsShared(); }
	
	void SelectPattern(FMidiPattern* Pattern);
private:
	void OnSelectPattern(FPattern* Pattern);
	void UpdateSplitterAPosition(float A);
	void UpdateSplitterBPosition(float B);
	
	void OnInstrumentHostCreated(FPluginHost* PluginHost);
	void OnInstrumentHostRemoved(FPluginHost* PluginHost);

	TSharedPtr<SScrollBox> ListView;
};