Revision control
++ // Copyright (C) 2019 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ using namespace Qt::StringLiterals;
++
++ //! [0]
++ LoginWidget::LoginWidget()
++ {
++ QLabel *label = new QLabel(tr("Password:"));
++ ...
++ }
++ //! [0]
++
++
++ //! [1]
++ void some_global_function(LoginWidget *logwid)
++ {
++ QLabel *label = new QLabel(
++ LoginWidget::tr("Password:"), logwid);
++ }
++
++ void same_global_function(LoginWidget *logwid)
++ {
++ QLabel *label = new QLabel(
++ QCoreApplication::translate("LoginWidget", "Password:"), logwid);
++ }
++ //! [1]
++
++
++ //! [2]
++ QString FriendlyConversation::greeting(int type)
++ {
++ static const char *greeting_strings[] = {
++ QT_TR_NOOP("Hello"),
++ QT_TR_NOOP("Goodbye")
++ };
++ return tr(greeting_strings[type]);
++ }
++ //! [2]
++
++
++ //! [3]
++ static const char *greeting_strings[] = {
++ QT_TRANSLATE_NOOP("FriendlyConversation", "Hello"),
++ QT_TRANSLATE_NOOP("FriendlyConversation", "Goodbye")
++ };
++
++ QString FriendlyConversation::greeting(int type)
++ {
++ return tr(greeting_strings[type]);
++ }
++
++ QString global_greeting(int type)
++ {
++ return QCoreApplication::translate("FriendlyConversation",
++ greeting_strings[type]);
++ }
++ //! [3]
++
++
++ //! [4]
++ void FileCopier::showProgress(int done, int total,
++ const QString ¤tFile)
++ {
++ label.setText(tr("%1 of %2 files copied.\nCopying: %3")
++ .arg(done)
++ .arg(total)
++ .arg(currentFile));
++ }
++ //! [4]
++
++
++ //! [8]
++ int main(int argc, char *argv[])
++ {
++ QApplication app(argc, argv);
++
++ QTranslator myappTranslator;
++ if (myappTranslator.load(QLocale::system(), u"myapp"_s, u"_"_s, u":/i18n"_s))
++ app.installTranslator(&myappTranslator);
++
++ return app.exec();
++ }
++ //! [8]
++
++
++ //! [9]
++ QString string = ...; // some Unicode text
++
++ QTextCodec *codec = QTextCodec::codecForName("ISO 8859-5");
++ QByteArray encodedString = codec->fromUnicode(string);
++ //! [9]
++
++
++ //! [10]
++ QByteArray encodedString = ...; // some ISO 8859-5 encoded text
++
++ QTextCodec *codec = QTextCodec::codecForName("ISO 8859-5");
++ QString string = codec->toUnicode(encodedString);
++ //! [10]
++
++
++ //! [12]
++ void MyWidget::changeEvent(QEvent *event)
++ {
++ if (event->type() == QEvent::LanguageChange) {
++ titleLabel->setText(tr("Document Title"));
++ ...
++ okPushButton->setText(tr("&OK"));
++ } else
++ QWidget::changeEvent(event);
++ }
++ //! [12]
++
++
++ //! [13]
++ void some_global_function(LoginWidget *logwid)
++ {
++ QLabel *label = new QLabel(
++ LoginWidget::tr("Password:"), logwid);
++ }
++
++ void same_global_function(LoginWidget *logwid)
++ {
++ QLabel *label = new QLabel(
++ QCoreApplication::translate("LoginWidget", "Password:"),
++ logwid);
++ }
++ //! [13]
++
++
++ //! [14]
++ QTranslator qtTranslator;
++ if (qtTranslator.load(QLocale::system(), u"qtbase"_s, u"_"_s,
++ QLibraryInfo::path(QLibraryInfo::TranslationsPath))) {
++ app.installTranslator(&qtTranslator);
++ }
++ //! [14]
++
++ //! [15]
++
++ class MyItem : public QQuickItem
++ {
++ Q_OJBECT
++ QML_ELEMENT
++
++ Q_PROPERTY(QString greeting READ greeting NOTIFY greetingChanged)
++
++ public signals:
++ void greetingChanged();
++ public:
++ QString greeting() const
++ {
++ return tr("Hello World!");
++ }
++
++ bool event(QEvent *ev) override
++ {
++ if (ev->type() == QEvent::LanguageChange)
++ emit greetingChanged();
++ return QQuickItem::event(ev);
++ }
++ };
++ //! [15]
++
++
++ //! [16]
++ class CustomObject : public QObject
++ {
++ Q_OBJECT
++
++ public:
++ QList<QQuickItem *> managedItems;
++
++ CustomObject(QOject *parent = nullptr) : QObject(parent)
++ {
++ QCoreApplication::instance()->installEventFilter(this);
++ }
++
++ bool eventFilter(QObject *obj, QEvent *ev) override
++ {
++ if (obj == QCoreApplication::instance() && ev->type() == QEvent::LanguageChange) {
++ for (auto item : std::as_const(managedItems))
++ QCoreApplication::sendEvent(item, ev);
++ // do any further work on reaction, e.g. emit changed signals
++ }
++ return false;
++ }
++ };
++ //! [16]
++
++
++ //! [17]
++ void MyWidget::changeEvent(QEvent *event)
++ {
++ if (event->type() == QEvent::LanguageChange) {
++ ui.retranslateUi(this);
++ } else
++ QWidget::changeEvent(event);
++ }
++ //! [17]