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// SPDX-License-Identifier: GPL-3.0-only
// SPDX-FileCopyrightText: 2026 Project Tick
// SPDX-FileContributor: Project Tick Team
/*
* ProjT Launcher - Minecraft Launcher
* Copyright (C) 2026 Project Tick
*
* This program 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, version 3.
*
* This program 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 this program. If not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "Common.h"
// Origin: Qt
// More specifically, this is a trimmed down version on the algorithm in:
// https://code.woboq.org/qt5/qtbase/src/widgets/styles/qcommonstyle.cpp.html#846
QList<std::pair<qreal, QString>> viewItemTextLayout(QTextLayout& textLayout, int lineWidth, qreal& height)
{
QList<std::pair<qreal, QString>> lines;
height = 0;
textLayout.beginLayout();
QString str = textLayout.text();
while (true)
{
QTextLine line = textLayout.createLine();
if (!line.isValid())
break;
if (line.textLength() == 0)
break;
line.setLineWidth(lineWidth);
line.setPosition(QPointF(0, height));
height += line.height();
lines.append(std::make_pair(line.naturalTextWidth(), str.mid(line.textStart(), line.textLength())));
}
textLayout.endLayout();
return lines;
}
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