z-bar-qt/Plugins/ZShell/Blobs/blobgroup2.hpp

#pragma once

#include "blobmaterial.hpp"

#include <qcolor.h>
#include <qlist.h>
#include <qobject.h>
#include <qqmlengine.h>
#include <qquickitem.h>
#include <qrect.h>
#include <qsgnode.h>
#include <qtimer.h>
#include <qvector.h>

class BlobShape2;
class BlobInvertedRect2;

struct BlobGroupData {
	static constexpr int kMaxRects = 16;

	QVector<BlobRectData> rects;
	bool hasInverted = false;
	float invertedRadius = 0;
	float invertedOuter[4] = {};
	float invertedInner[4] = {};
	float invertedOuterRadii[4] = {};
};

class BlobGroup2 : public QQuickItem {
	Q_OBJECT
	QML_ELEMENT
	Q_PROPERTY(
		qreal smoothing READ smoothing WRITE setSmoothing NOTIFY
			smoothingChanged)
	Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
	Q_PROPERTY(
		bool cornerFill READ cornerFill WRITE setCornerFill NOTIFY
			cornerFillChanged)
	Q_PROPERTY(
		QColor shadowColor READ shadowColor WRITE setShadowColor NOTIFY
			shadowColorChanged)
	Q_PROPERTY(
		qreal shadowRadius READ shadowRadius WRITE setShadowRadius NOTIFY
			shadowRadiusChanged)

	friend class BlobShape2;

	public:
	explicit BlobGroup2(QQuickItem* parent = nullptr);
	~BlobGroup2() override;

	[[nodiscard]] qreal smoothing() const { return m_smoothing; }

	void setSmoothing(qreal s);

	[[nodiscard]] QColor color() const { return m_color; }

	void setColor(const QColor& c);

	[[nodiscard]] bool cornerFill() const { return m_cornerFill; }

	void setCornerFill(bool e);

	[[nodiscard]] QColor shadowColor() const { return m_shadowColor; }

	void setShadowColor(const QColor& c);

	[[nodiscard]] qreal shadowRadius() const { return m_shadowRadius; }

	void setShadowRadius(qreal r);

	void addShape(BlobShape2* shape);
	void removeShape(BlobShape2* shape);

	void setInvertedRect(BlobInvertedRect2* rect);
	void clearInvertedRect(BlobInvertedRect2* rect);

	[[nodiscard]] const QList<BlobShape2*>& shapes() const { return m_shapes; }

	[[nodiscard]] BlobInvertedRect2* invertedRect() const {
		return m_invertedRect;
	}

	[[nodiscard]] const BlobGroupData& data() const { return m_data; }

	void markDirty();

	void requestPhysics();

	signals:
	void smoothingChanged();
	void colorChanged();
	void cornerFillChanged();
	void shadowColorChanged();
	void shadowRadiusChanged();

	protected:
	void updatePolish() override;
	QSGNode* updatePaintNode(QSGNode* oldNode, UpdatePaintNodeData*) override;

	private:
	void ensurePhysicsUpdated();
	void ensureDataBuilt();
	void fillMaterial(BlobMaterial* material);
	void pumpPhysics();

	qreal m_smoothing = 32.0;
	QColor m_color{0x44, 0x88, 0xff};
	bool m_cornerFill = true;
	QColor m_shadowColor{0, 0, 0, 128};
	qreal m_shadowRadius = 0.0;
	QList<BlobShape2*> m_shapes;
	BlobInvertedRect2* m_invertedRect = nullptr;
	bool m_physicsUpdated = false;
	bool m_dataBuilt = false;
	QTimer m_physicsPump;
	BlobGroupData m_data;

	QRectF m_bounds;
};