project-kyoku/src/gui/widgets/menubar.cpp

#include "menubar.h"
#include "iostream"

MenuBar::MenuBar() :
    _button_width(170)
{
    _bar_rect.setFillColor(sf::Color(88, 57, 107));
}

void MenuBar::input(const sf::Event &event)
{
    Widget::input(event);
}

void MenuBar::update()
{
    Widget::update();
}

void MenuBar::draw(sf::RenderTarget& target, sf::RenderStates states) const
{
    target.draw(_bar_rect, states);
    Widget::draw(target, states);
}

void MenuBar::setRect(const sf::FloatRect& rect)
{
    _bar_rect.setPosition(rect.left, rect.top);
    _bar_rect.setSize({rect.width, rect.height});

    // Buttons will not resize
}

void MenuBar::setPosition(const sf::Vector2f& position)
{
    _bar_rect.setPosition(position);
}

bool MenuBar::isUnderMouse(int mouse_x, int mouse_y) const
{
    bool bar_under_mouse = _bar_rect.getGlobalBounds().contains(mouse_x, mouse_y);

    bool submenus_under_mouse = std::any_of(_children.begin(), _children.end(),
                                            [x=mouse_x, y=mouse_y](const auto& child)
                                            {
                                                return child->isUnderMouse(x, y);
                                            });

    return bar_under_mouse || submenus_under_mouse;
}

void MenuBar::addSubMenu(std::string name, const std::shared_ptr<MenuDrop>& submenu)
{
    const auto new_button = std::make_shared<Button>(name);

    std::size_t current_index = _amount_buttons;
    new_button->setRect(sf::FloatRect(current_index * _button_width, 0, _button_width, _bar_rect.getSize().y));
    new_button->setCallback([submenu=submenu]()
                            {
                                submenu->trigger();
                            });

    new_button->setFillColor(sf::Color(171, 141, 189));
    addChild(new_button);
}