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lmms/include/DeprecationHelper.h
2023-01-05 17:58:49 -05:00

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/*
* DeprecationHelper.h - This file contains the declarations of helper functions
* which helps centralize the #ifdefs preprocessors regarding deprecation based on Qt versions.
* The functions are defined differently based on the callers' Qt versions.
*
* Copyright (c) 2020 Tien Dat Nguyen <ntd.bk.k56/at/gmail.com>
*
* This file is part of LMMS - https://lmms.io
*
* 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; either
* version 2 of the License, or (at your option) any later version.
*
* 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 (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#ifndef LMMS_DEPRECATIONHELPER_H
#define LMMS_DEPRECATIONHELPER_H
#include <QFontMetrics>
#include <QWheelEvent>
namespace lmms
{
/**
* @brief horizontalAdvance is a backwards-compatible adapter for
* QFontMetrics::horizontalAdvance and width functions.
* @param metrics
* @param text
* @return text's horizontal advance based on metrics.
*/
inline int horizontalAdvance(const QFontMetrics& metrics, const QString& text)
{
#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
return metrics.horizontalAdvance(text);
#else
return metrics.width(text);
#endif
}
/**
* @brief position is a backwards-compatible adapter for
* QWheelEvent::position and pos functions.
* @param wheelEvent
* @return the position of wheelEvent
*/
inline QPoint position(QWheelEvent *wheelEvent)
{
#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
return wheelEvent->position().toPoint();
#else
return wheelEvent->pos();
#endif
}
} // namespace lmms
#endif // LMMS_DEPRECATIONHELPER_H