From b77da049bc76ca809e7e2b58e0d554a3bf865b56 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kai=20K=C3=B6hne?= <kai.koehne@qt.io>
Date: Fri, 28 Oct 2022 16:24:15 +0200
Subject: Move i18n example to qttools
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Move i18n example out of qtbase. In qttools, it can use lrelease,
avoiding the need to store .qm files in the repository.

Change-Id: I8ba36a1372c2a743b809e3f7ea95a67825558f41
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
---
 examples/widgets/tools/i18n/languagechooser.cpp | 139 ------------------------
 1 file changed, 139 deletions(-)
 delete mode 100644 examples/widgets/tools/i18n/languagechooser.cpp

(limited to 'examples/widgets/tools/i18n/languagechooser.cpp')

diff --git a/examples/widgets/tools/i18n/languagechooser.cpp b/examples/widgets/tools/i18n/languagechooser.cpp
deleted file mode 100644
index ff8dddd2da..0000000000
--- a/examples/widgets/tools/i18n/languagechooser.cpp
+++ /dev/null
@@ -1,139 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#include "languagechooser.h"
-#include "mainwindow.h"
-
-#include <QCoreApplication>
-#include <QCheckBox>
-#include <QDialogButtonBox>
-#include <QDir>
-#include <QGridLayout>
-#include <QGroupBox>
-#include <QPushButton>
-#include <QTranslator>
-
-LanguageChooser::LanguageChooser(const QString &defaultLang, QWidget *parent)
-    : QDialog(parent, Qt::WindowStaysOnTopHint)
-{
-    groupBox = new QGroupBox("Languages");
-
-    QGridLayout *groupBoxLayout = new QGridLayout;
-
-    const QStringList qmFiles = findQmFiles();
-    for (int i = 0; i < qmFiles.size(); ++i) {
-        const QString &qmFile = qmFiles.at(i);
-        QCheckBox *checkBox = new QCheckBox(languageName(qmFile));
-        qmFileForCheckBoxMap.insert(checkBox, qmFile);
-        connect(checkBox, &QCheckBox::toggled,
-                this, &LanguageChooser::checkBoxToggled);
-        if (languageMatch(defaultLang, qmFile))
-            checkBox->setCheckState(Qt::Checked);
-        groupBoxLayout->addWidget(checkBox, i / 2, i % 2);
-    }
-    groupBox->setLayout(groupBoxLayout);
-
-    buttonBox = new QDialogButtonBox;
-    showAllButton = buttonBox->addButton("Show All",
-                                         QDialogButtonBox::ActionRole);
-    hideAllButton = buttonBox->addButton("Hide All",
-                                         QDialogButtonBox::ActionRole);
-
-    connect(showAllButton, &QAbstractButton::clicked, this, &LanguageChooser::showAll);
-    connect(hideAllButton, &QAbstractButton::clicked, this, &LanguageChooser::hideAll);
-
-    QVBoxLayout *mainLayout = new QVBoxLayout;
-    mainLayout->addWidget(groupBox);
-    mainLayout->addWidget(buttonBox);
-    setLayout(mainLayout);
-
-    setWindowTitle("I18N");
-}
-
-bool LanguageChooser::languageMatch(QStringView lang, QStringView qmFile)
-{
-    //qmFile: i18n_xx.qm
-    const QStringView prefix{ u"i18n_" };
-    const int langTokenLength = 2; /*FIXME: is checking two chars enough?*/
-    return qmFile.mid(qmFile.indexOf(prefix) + prefix.length(), langTokenLength) == lang.left(langTokenLength);
-}
-
-bool LanguageChooser::eventFilter(QObject *object, QEvent *event)
-{
-    if (event->type() == QEvent::Close) {
-        MainWindow *window = qobject_cast<MainWindow *>(object);
-        if (window) {
-            QCheckBox *checkBox = mainWindowForCheckBoxMap.key(window);
-            if (checkBox)
-                checkBox->setChecked(false);
-        }
-    }
-    return QDialog::eventFilter(object, event);
-}
-
-void LanguageChooser::closeEvent(QCloseEvent * /* event */)
-{
-    QCoreApplication::quit();
-}
-
-void LanguageChooser::checkBoxToggled()
-{
-    QCheckBox *checkBox = qobject_cast<QCheckBox *>(sender());
-    MainWindow *window = mainWindowForCheckBoxMap.value(checkBox);
-    if (!window) {
-        QTranslator translator;
-        const QString qmFile = qmFileForCheckBoxMap.value(checkBox);
-        if (translator.load(qmFile))
-            QCoreApplication::installTranslator(&translator);
-        else
-            qWarning("Unable to load %s", qPrintable(QDir::toNativeSeparators(qmFile)));
-
-        window = new MainWindow;
-        window->setPalette(colorForLanguage(checkBox->text()));
-
-        window->installEventFilter(this);
-        mainWindowForCheckBoxMap.insert(checkBox, window);
-    }
-    window->setVisible(checkBox->isChecked());
-}
-
-void LanguageChooser::showAll()
-{
-    for (auto it = qmFileForCheckBoxMap.keyBegin(); it != qmFileForCheckBoxMap.keyEnd(); ++it)
-        (*it)->setChecked(true);
-}
-
-void LanguageChooser::hideAll()
-{
-    for (auto it = qmFileForCheckBoxMap.keyBegin(); it != qmFileForCheckBoxMap.keyEnd(); ++it)
-        (*it)->setChecked(false);
-}
-
-QStringList LanguageChooser::findQmFiles()
-{
-    QDir dir(":/translations");
-    QStringList fileNames = dir.entryList(QStringList("*.qm"), QDir::Files,
-                                          QDir::Name);
-    for (QString &fileName : fileNames)
-        fileName = dir.filePath(fileName);
-    return fileNames;
-}
-
-QString LanguageChooser::languageName(const QString &qmFile)
-{
-    QTranslator translator;
-    if (!translator.load(qmFile)) {
-        qWarning("Unable to load %s", qPrintable(QDir::toNativeSeparators(qmFile)));
-        return {};
-    }
-    return translator.translate("MainWindow", "English");
-}
-
-QColor LanguageChooser::colorForLanguage(const QString &language)
-{
-    size_t hashValue = qHash(language);
-    int red = 156 + (hashValue & 0x3F);
-    int green = 156 + ((hashValue >> 6) & 0x3F);
-    int blue = 156 + ((hashValue >> 12) & 0x3F);
-    return QColor(red, green, blue);
-}
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