VolumeSlider.cpp

#include "VolumeSlider.h"

VolumeSlider::VolumeSlider(MusicPlayer* musicPlayer, sf::Vector2f pos, sf::Vector2f sz)
    : player(musicPlayer), position(pos), size(sz) {
    background.setSize(size);
    background.setFillColor(sf::Color(150, 150, 150));
    background.setPosition(position);

    fill.setSize({ size.x * (player->getVolume() / 100.0f), size.y });
    fill.setFillColor(sf::Color(100, 200, 100));
    fill.setPosition(position);
}

void VolumeSlider::handleEvent(const sf::Event& event, MusicPlayer& player) {
    if (event.type == sf::Event::MouseButtonPressed &&
        event.mouseButton.button == sf::Mouse::Left) {

        sf::Vector2f mousePos(event.mouseButton.x, event.mouseButton.y);

        // Ïðîâåðêà ïîïàäàíèÿ â îáùèé ôîí ïîëçóíêà
        if (background.getGlobalBounds().contains(mousePos)) {
            isDragging = true;

            // Óñòàíîâêà ãðîìêîñòè è çàïîëíåííîé ÷àñòè
            float relativeX = mousePos.x - background.getPosition().x;
            float ratio = std::clamp(relativeX / background.getSize().x, 0.f, 1.f);
            fill.setSize({ background.getSize().x * ratio, background.getSize().y });

            player.setVolume(ratio * 100);
        }
    }

    if (event.type == sf::Event::MouseButtonReleased &&
        event.mouseButton.button == sf::Mouse::Left) {
        isDragging = false;
    }

    if (event.type == sf::Event::MouseMoved && isDragging) {
        sf::Vector2f mousePos(event.mouseMove.x, event.mouseMove.y);
        float relativeX = mousePos.x - background.getPosition().x;
        float ratio = std::clamp(relativeX / background.getSize().x, 0.f, 1.f);
        fill.setSize({ background.getSize().x * ratio, background.getSize().y });

        player.setVolume(ratio * 100);
    }
}


void VolumeSlider::update() {
    fill.setSize({ size.x * (player->getVolume() / 100.0f), size.y });
}

void VolumeSlider::draw(sf::RenderWindow& window) {
    window.draw(background);
    window.draw(fill);
}