// libcursed -- C++ classes for dealing with curses
// Copyright (C) 2019 xaizek <xaizek@posteo.net>
//
// This file is part of libcursed.
//
// libcursed is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// libcursed is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with libcursed.  If not, see <https://www.gnu.org/licenses/>.

#include "Label.hpp"

#include <algorithm>
#include <utility>

#include "ColorTree.hpp"

using namespace cursed;

Label::Label(ColorTree initText) : text(std::move(initText))
{
    computeWidth();
}

void
Label::setText(ColorTree newText)
{
    text = std::move(newText);
    computeWidth();
}

void
Label::computeWidth()
{
    int newWidth = 0;
    text.visit([&newWidth](const std::wstring &text, const Format &/*format*/) {
        newWidth += text.length();
    });
    width = std::max(1, newWidth);
}

void
Label::draw()
{
    win.erase();
    wmove(win, 0, 0);
    win.print(text);
    wnoutrefresh(win);
}

int
Label::desiredHeight()
{
    return 1;
}

int
Label::desiredWidth()
{
    return -width;
}