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2117
by Adam Reichold
First stab at making the application compatible with Qt versions 4, 5 and 6. |
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/*
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Copyright 2021 Adam Reichold
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This file is part of qpdfview.
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qpdfview is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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qpdfview is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with qpdfview. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef COMPATIBILITY_H
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#define COMPATIBILITY_H
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#include <QWheelEvent> |
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#include <QPrinter> |
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#include <QProcess> |
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#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
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#include <QRegularExpression> |
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#else
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#include <QRegExp> |
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#endif // QT_VERSION |
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namespace qpdfview |
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{
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inline bool rotatedForward(const QWheelEvent* event) |
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{
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#if QT_VERSION >= QT_VERSION_CHECK(5,15,0)
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return event->angleDelta().y() > 0; |
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#else
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return event->delta() > 0; |
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#endif // QT_VERSION |
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}
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#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
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typedef QRegularExpression RegularExpression; |
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class Match |
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{
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QRegularExpressionMatch match; |
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public: |
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Match(RegularExpression& expr, const QString& text) : |
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match(expr.match(text)) |
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{
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}
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operator bool() const |
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{
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return match.hasMatch(); |
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}
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QString captured(int nth) const |
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{
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return match.captured(nth); |
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}
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};
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#else
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typedef QRegExp RegularExpression; |
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class Match |
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{
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QRegExp* expr; |
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public: |
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Match(QRegExp& expr, const QString& text) : |
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expr(expr.indexIn(text) != -1 ? &expr : 0) |
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{
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}
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operator bool() const |
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{
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return expr != 0; |
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}
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QString captured(int nth) const |
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{
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return expr->cap(nth); |
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}
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};
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#endif // QT_VERSION |
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#if QT_VERSION >= QT_VERSION_CHECK(5,14,0)
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typedef Qt::SplitBehaviorFlags SplitBehavior; |
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2119
by Adam Reichold
Fix enum compatibility handling to support older GCC versions. |
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namespace SplitBehaviorValues = Qt; |
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2117
by Adam Reichold
First stab at making the application compatible with Qt versions 4, 5 and 6. |
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#else
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typedef QString::SplitBehavior SplitBehavior; |
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2119
by Adam Reichold
Fix enum compatibility handling to support older GCC versions. |
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typedef QString SplitBehaviorValues; |
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2117
by Adam Reichold
First stab at making the application compatible with Qt versions 4, 5 and 6. |
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#endif // QT_VERSION |
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#if QT_VERSION >= QT_VERSION_CHECK(5,3,0)
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typedef QPageLayout::Orientation PageOrientation; |
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2119
by Adam Reichold
Fix enum compatibility handling to support older GCC versions. |
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typedef QPageLayout PageOrientationValues; |
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2117
by Adam Reichold
First stab at making the application compatible with Qt versions 4, 5 and 6. |
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#else
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typedef QPrinter::Orientation PageOrientation; |
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2119
by Adam Reichold
Fix enum compatibility handling to support older GCC versions. |
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typedef QPrinter PageOrientationValues; |
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2117
by Adam Reichold
First stab at making the application compatible with Qt versions 4, 5 and 6. |
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#endif // QT_VERSION |
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template< typename Iterator, typename Value > |
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Iterator binarySearch(Iterator first, Iterator last, const Value& value) |
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{
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first = std::lower_bound(first, last, value); |
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return first == last || value < *first ? last : first; |
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}
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inline bool startDetached(QString command) |
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{
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#if QT_VERSION >= QT_VERSION_CHECK(5,15,0)
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QStringList arguments = QProcess::splitCommand(command); |
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QString program = arguments.takeFirst(); |
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return QProcess::startDetached(program, arguments); |
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#else
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return QProcess::startDetached(command); |
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#endif // QT_VERSION |
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}
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} // qpdfview |
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#endif // MISCELLANEOUS_H |