Toast.h

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// Copyright (c) 2025 Dave R. Smith.
// Malena Framework — Licensed under PolyForm Noncommercial 1.0.0; commercial use requires a paid license. See LICENSE.
 
#ifndef MALENA_TOAST_H
#define MALENA_TOAST_H
 
#pragma once
 
#include <Malena/Core/malena_export.h>
#include <Malena/Core/Component.h>
#include <Malena/Graphics/Text/Text.h>
#include <Malena/Graphics/Controls/RectangleButton.h>
#include <SFML/Graphics/RectangleShape.hpp>
#include <functional>
#include <string>
 
namespace ml
{
    class MALENA_API Toast : public Component<>
    {
    public:
        enum class Anchor { TOP, BOTTOM };
 
    private:
        sf::RectangleShape  _bg;
        ml::Text            _message;
        ml::RectangleButton _action;
        ml::RectangleButton _dismiss;
 
        bool   _visible   = false;
        bool   _hasAction = false;
        Anchor _anchor    = Anchor::BOTTOM;
 
        std::function<void()> _onAction;
        std::function<void()> _onDismiss;
 
        void layout();
 
    protected:
        void draw(sf::RenderTarget& target, sf::RenderStates states) const override;
 
    public:
        Toast();
 
        void setMessage(const std::string& text);
        void setActionLabel(const std::string& label);   // empty hides the action button
        void setAnchor(Anchor a) { _anchor = a; }
 
        void show();
        void hide();
        [[nodiscard]] bool isVisible() const { return _visible; }
 
        void onAction (std::function<void()> cb) { _onAction  = std::move(cb); }
        void onDismiss(std::function<void()> cb) { _onDismiss = std::move(cb); }
 
        void          setPosition(const sf::Vector2f& pos) override;
        sf::Vector2f  getPosition()     const override;
        sf::FloatRect getGlobalBounds() const override;
    };
 
} // namespace ml
 
#endif // MALENA_TOAST_H