MenuItemTextlist.cpp

#include <Interface/Menu/MenuItemTextlist.hpp>
#include <Misc/Utils.hpp>
#include <Config/Globals.hpp>
#include <Flow/InputManager.hpp>
 
#include <stdexcept>
 
MenuItemTextlist::MenuItemTextlist(std::string label, int id, std::vector<std::string> options, std::string initial):
    MenuItem(label, id),
    options(options),
    currentIndex(-1)
{
    this->type = MenuItem::TEXTLIST;
 
    for (unsigned int i = 0; i < options.size(); ++i)
    {
        if (options[i] == initial)
        {
            this->currentIndex = i;
            break;
        }
    }
    if ((this->currentIndex == -1) || (options.empty()))
        throw std::runtime_error("Invalid initial value for MenuItemTextlist");
}
void MenuItemTextlist::draw(Window* window, int x, int y, int width, bool hilite)
{
    std::string text = this->options[this->currentIndex];
 
    // Will draw
    //      label     text
    // If not hilite.
    // If hilite:
    //      label   < text >
    MenuItem::draw(window,
                   x,
                   y,
                   (width - text.size() - 5),
                   hilite);
 
    int rightmost = x + width;
 
    window->print(((hilite)?
                   "<":
                   "["),
                  rightmost - text.size() - 2,
                  y,
                  ((hilite)?
                   Globals::Theme::hilite_text:
                   Globals::Theme::text));
 
    window->print(((hilite)?
                   ">":
                   "]"),
                  rightmost - 1,
                  y,
                  ((hilite)?
                   Globals::Theme::hilite_text:
                   Globals::Theme::text));
 
    window->print(text,
                  rightmost - text.size() - 1,
                  y,
                  Globals::Theme::hilite_text);
}
void MenuItemTextlist::handleInput()
{
    if (InputManager::noKeyPressed())
        return;
 
    if (InputManager::isPressed("left") || // user-defined
        InputManager::isPressed(KEY_LEFT))
        this->decrease();
 
    else if (InputManager::isPressed("right") ||
             InputManager::isPressed(KEY_RIGHT))
        this->increase();
 
    else if (InputManager::isPressed('r') ||
             InputManager::isPressed('R') ||
             InputManager::isPressed(' '))
        this->reset();
}
void MenuItemTextlist::increase()
{
    this->currentIndex++;
 
    if (this->currentIndex >= (int)this->options.size())
        this->currentIndex = 0;
}
 
void MenuItemTextlist::decrease()
{
    this->currentIndex--;
 
    if (this->currentIndex < 0)
        this->currentIndex = (this->options.size() - 1);
}
void MenuItemTextlist::reset()
{
    this->currentIndex = 0;
}
std::string MenuItemTextlist::currentText()
{
    return this->options[this->currentIndex];
}