valentina/src/libs/vmisc/compatibility.h

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/************************************************************************
**
** @file compatibility.h
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 16 1, 2020
**
** @brief
** @copyright
** This source code is part of the Valentina project, a pattern making
** program, whose allow create and modeling patterns of clothing.
** Copyright (C) 2020 Valentina project
** <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
**
** Valentina 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.
**
** Valentina 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 Valentina. If not, see <http://www.gnu.org/licenses/>.
**
*************************************************************************/
#ifndef COMPATIBILITY_H
#define COMPATIBILITY_H
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#include <QFontMetrics>
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#include <QLibraryInfo>
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#include <QLineF>
#include <QSet>
#include <QStringList>
#include <QVector>
#include <QtGlobal>
#include "defglobal.h"
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
// WARNING:QVariant::load: unknown user type with name QMarginsF.
// QVariant::value<T>() fails to convert unless QVariant::fromValue<T>() has been called previously.
// https://stackoverflow.com/questions/70974383/qvariantvaluet-fails-to-convert-unless-qvariantfromvaluet-has-been-c
#if QT_VERSION >= QT_VERSION_CHECK(6, 1, 0)
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#define REGISTER_META_TYPE_STREAM_OPERATORS(TYPE) \
QMetaType::fromType<TYPE>().hasRegisteredDataStreamOperators(); // Dummy call
#else
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#define REGISTER_META_TYPE_STREAM_OPERATORS(TYPE) QVariant::fromValue<TYPE>(TYPE{}); // Dummy call
#endif // QT_VERSION >= QT_VERSION_CHECK(6, 1, 0)
#else
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#define REGISTER_META_TYPE_STREAM_OPERATORS(TYPE) qRegisterMetaTypeStreamOperators<TYPE>(#TYPE);
#endif // QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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#if QT_VERSION < QT_VERSION_CHECK(5, 5, 0)
#include "diagnostic.h"
#endif // QT_VERSION < QT_VERSION_CHECK(5, 5, 0)
class QPointF;
// Contains helpful methods to hide version dependent code. It can be deprecation of method or change in API
//---------------------------------------------------------------------------------------------------------------------
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template <typename T, template <typename> class Cont> inline auto ConstFirst(const Cont<T> &container) -> const T &
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
return container.constFirst();
#else
return container.first(); // clazy:exclude=detaching-temporary
#endif
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename T, typename C> inline auto ConstFirst(const C &container) -> const T &
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
return container.constFirst();
#else
return container.first(); // clazy:exclude=detaching-temporary
#endif
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename T, template <typename> class Cont> inline auto ConstLast(const Cont<T> &container) -> const T &
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
return container.constLast();
#else
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return container.last(); // clazy:exclude=detaching-temporary
#endif
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename T, typename C> inline auto ConstLast(const C &container) -> const T &
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
return container.constLast();
#else
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return container.last(); // clazy:exclude=detaching-temporary
#endif
}
//---------------------------------------------------------------------------------------------------------------------
template <typename T>
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inline auto Intersects(const T &l1, const T &l2, QPointF *intersectionPoint) -> typename T::IntersectType
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
return l1.intersects(l2, intersectionPoint);
#else
return l1.intersect(l2, intersectionPoint);
#endif
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename T, template <typename> class C> inline auto ConvertToList(const C<T> &container) -> QList<T>
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
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return QList<T>(container.begin(), container.end());
#else
return container.toList();
#endif
}
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//---------------------------------------------------------------------------------------------------------------------
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template <typename T, template <typename> class C> inline auto ConvertToStringList(const C<T> &container) -> QStringList
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{
return {ConvertToList(container)};
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename T, template <typename> class C> inline auto ConvertToSet(const C<T> &container) -> QSet<T>
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
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return QSet<T>(container.begin(), container.end());
#else
return container.toSet();
#endif
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename T, typename C> inline auto ConvertToSet(const C &container) -> QSet<T>
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
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return QSet<T>(container.begin(), container.end());
#else
return container.toSet();
#endif
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename T, template <typename> class C> inline auto ConvertToVector(const C<T> &container) -> QVector<T>
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
return QVector<T>(container.begin(), container.end());
#else
return container.toVector();
#endif
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename T> inline auto ConvertToVector(const QSet<T> &container) -> QVector<T>
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
return QVector<T>(container.begin(), container.end());
#else
return container.toList().toVector();
#endif
}
//---------------------------------------------------------------------------------------------------------------------
// NOTE: Delete if not necessary anymore
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// template <typename T>
// inline void SwapItemsAt(T &container, int i, int j)
//{
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// #if QT_VERSION >= QT_VERSION_CHECK(5, 13, 0)
// container.swapItemsAt(i, j);
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// #else
// container.swap(i, j);
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// #endif
//}
//---------------------------------------------------------------------------------------------------------------------
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template <typename T> inline void Move(T &vector, int from, int to)
{
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QT_WARNING_PUSH
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// cppcheck-suppress unknownMacro
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QT_WARNING_DISABLE_GCC("-Wstrict-overflow")
#if QT_VERSION < QT_VERSION_CHECK(5, 6, 0)
Q_ASSERT_X(from >= 0 && from < vector.size(), "QVector::move(int,int)", "'from' is out-of-range");
Q_ASSERT_X(to >= 0 && to < vector.size(), "QVector::move(int,int)", "'to' is out-of-range");
if (from == to) // don't detach when no-op
{
return;
}
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typename T::iterator b = vector.begin();
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from < to ? std::rotate(b + from, b + from + 1, b + to + 1) : std::rotate(b + to, b + from, b + from + 1);
#else
vector.move(from, to);
#endif // QT_VERSION < QT_VERSION_CHECK(5, 6, 0)
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QT_WARNING_POP
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename T> inline auto Reverse(const QVector<T> &container) -> QVector<T>
{
if (container.isEmpty())
{
return container;
}
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QVector<T> reversed(container.size());
vsizetype j = 0;
for (vsizetype i = container.size() - 1; i >= 0; --i)
{
reversed.replace(j, container.at(i));
++j;
}
return reversed;
}
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template <typename T, template <typename> class C>
//---------------------------------------------------------------------------------------------------------------------
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inline auto Reverse(const C<T> &container) -> C<T>
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{
return ConvertToList(Reverse(ConvertToVector(container)));
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename T, typename std::enable_if<std::is_same<T, QStringList>::value, T>::type * = nullptr>
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inline auto Reverse(const T &container) -> T
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{
return Reverse<QString, QList>(container);
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename Cont, typename Input> inline void AppendTo(Cont &container, const Input &input)
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 5, 0)
container.append(input);
#else
for (auto &item : input)
{
container.append(item);
}
#endif // QT_VERSION >= QT_VERSION_CHECK(5, 5, 0)
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename T> inline auto SetIntersects(const QSet<T> &set1, const QSet<T> &set2) -> bool
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
return set1.intersects(set2);
#else
const bool otherIsBigger = set2.size() > set1.size();
const QSet<T> &smallestSet = otherIsBigger ? set1 : set2;
const QSet<T> &biggestSet = otherIsBigger ? set2 : set1;
typename QSet<T>::const_iterator i = smallestSet.cbegin();
typename QSet<T>::const_iterator e = smallestSet.cend();
while (i != e)
{
if (biggestSet.contains(*i))
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{
return true;
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}
++i;
}
return false;
#endif
}
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//---------------------------------------------------------------------------------------------------------------------
inline auto TextWidth(const QFontMetrics &fm, const QString &text, int len = -1) -> int
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 11, 0)
return fm.horizontalAdvance(text, len);
#else
return fm.width(text, len);
#endif
}
//---------------------------------------------------------------------------------------------------------------------
inline auto TextWidthF(const QFontMetricsF &fm, const QString &text) -> qreal
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 11, 0)
return fm.horizontalAdvance(text);
#else
return fm.width(text);
#endif
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename Key, typename T> inline auto Insert(QMap<Key, T> &map1, const QMap<Key, T> &map2) -> void
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
map1.insert(map2);
#else
auto i = map2.constBegin();
while (i != map2.constEnd())
{
map1.insert(i.key(), i.value());
++i;
}
#endif
}
//---------------------------------------------------------------------------------------------------------------------
inline auto VLocaleCharacter(const QString &character) -> QChar
{
Q_ASSERT(character.size() == 1);
#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
return character.front();
#else
return character.at(0);
#endif
}
//---------------------------------------------------------------------------------------------------------------------
inline auto VLocaleCharacter(const QChar &character) -> QChar
{
return character;
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename T> inline auto DropEventPos(const T *event) -> QPoint
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
return event->position().toPoint();
#else
return event->pos();
#endif
}
//---------------------------------------------------------------------------------------------------------------------
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template <typename T> inline auto QLibraryPath(T loc) -> QString
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
return QLibraryInfo::path(loc);
#else
return QLibraryInfo::location(loc);
#endif
}
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//---------------------------------------------------------------------------------------------------------------------
inline auto LineCenter(const QLineF &line) -> QPointF
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 8, 0)
return line.center();
#else
return {0.5 * line.p1().x() + 0.5 * line.p2().x(), 0.5 * line.p1().y() + 0.5 * line.p2().y()};
#endif
}
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//---------------------------------------------------------------------------------------------------------------------
template <typename T, typename N> inline auto First(const T &list, N n) -> T
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
return list.first(n);
#else
Q_ASSERT(n <= list.size());
T result;
result.reserve(n);
std::copy(list.begin(), list.begin() + n, std::back_inserter(result));
return result;
#endif
}
//---------------------------------------------------------------------------------------------------------------------
template <typename T, typename N> inline auto Last(const T &list, N n) -> T
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
return list.last(n);
#else
Q_ASSERT(n <= list.size());
T result;
result.reserve(n);
std::copy(list.end() - n, list.end(), std::back_inserter(result));
return result;
#endif
}
//---------------------------------------------------------------------------------------------------------------------
template <typename T, typename N> inline auto Sliced(const T &list, N pos) -> T
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
return list.sliced(pos);
#else
Q_ASSERT(pos <= list.size());
T result;
result.reserve(list.size() - pos);
std::copy(list.begin() + pos, list.end(), std::back_inserter(result));
return result;
#endif
}
//---------------------------------------------------------------------------------------------------------------------
template <typename T, typename N> inline auto Sliced(const T &list, N pos, N n) -> T
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
return list.sliced(pos, n);
#else
Q_ASSERT(pos <= list.size());
Q_ASSERT(n >= 0);
Q_ASSERT(pos + n <= list.size());
T result;
result.reserve(n);
std::copy(list.begin() + pos, list.begin() + pos + n, std::back_inserter(result));
return result;
#endif
}
#endif // COMPATIBILITY_H