11f94598da
qdebug.h includes many Qt and STL headers, so if you include a Qt header you get all those transitive includes, which may affect build time. - Where appropriate use the printf-like syntax of qDebug() and co., these don't need the QDebug streaming operators - qfloat16 is used in an inline member function, so include it explicitly [ChangeLog][Potentially Source Incompatible Changes] Various Qt public headers don't include QDebug any more; if you need QDebug's streaming you'll have to include it in your code. Task-number: QTBUG-132439 Change-Id: I750587e17a3b38fa226cd3af8eaccc8da580f436 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> (cherry picked from commit 185cba6e95a006d2548f20599f84390e5a3ad653) Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
// Copyright (C) 2024 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include "calendarBackendInterface.h"
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#include <QApplication>
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#include <QCalendar>
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#include <QCalendarWidget>
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#include <QCommandLineParser>
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#include <QDebug>
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#include <QPluginLoader>
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int main(int argc, char *argv[])
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{
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QApplication a(argc, argv);
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QCoreApplication::setApplicationName("JulianGregorianCalendar");
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QCommandLineParser parser;
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parser.setApplicationDescription("Calendar Backend Plugin Example");
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parser.addHelpOption();
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parser.addPositionalArgument("date; names",
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"Date of transition between "
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"Julian and Gregorian calendars "
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"as string in the format 'yyyy-MM-dd;'. Optionally, user can "
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"provide names for the calendar separated with ';'");
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parser.process(a);
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const QStringList args = parser.positionalArguments();
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if (args.isEmpty())
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parser.showHelp(1);
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if (args.at(0).isEmpty())
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parser.showHelp(1);
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//![0]
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QPluginLoader loader;
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loader.setFileName("../plugin/calendarPlugin");
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loader.load();
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if (!loader.isLoaded())
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return 1;
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auto *myplugin = qobject_cast<RequestedCalendarInterface*>(loader.instance());
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//![0]
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//![1]
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const auto cid = myplugin->loadCalendar(args.at(0));
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if (!cid.isValid()) {
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qWarning() << "Invalid ID";
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parser.showHelp(1);
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}
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const QCalendar calendar(cid);
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//![1]
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//![2]
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QCalendarWidget widget;
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widget.setCalendar(calendar);
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widget.show();
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QCalendar::YearMonthDay when = { 1582, 10, 4 };
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QCalendar julian = QCalendar(QCalendar::System::Julian);
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auto got = QDate::fromString(args.at(0).left(10), u"yyyy-MM-dd", julian);
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if (got.isValid())
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when = julian.partsFromDate(got);
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widget.setCurrentPage(when.year, when.month);
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//![2]
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return a.exec();
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}
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