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Diffstat (limited to 'examples/widgets/tools/i18n/languagechooser.cpp')
| -rw-r--r-- | examples/widgets/tools/i18n/languagechooser.cpp | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/examples/widgets/tools/i18n/languagechooser.cpp b/examples/widgets/tools/i18n/languagechooser.cpp deleted file mode 100644 index 18f6c7bbcf..0000000000 --- a/examples/widgets/tools/i18n/languagechooser.cpp +++ /dev/null @@ -1,186 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#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 &qmlFile = qmFiles.at(i); - QCheckBox *checkBox = new QCheckBox(languageName(qmlFile)); - qmFileForCheckBoxMap.insert(checkBox, qmlFile); - connect(checkBox, &QCheckBox::toggled, - this, &LanguageChooser::checkBoxToggled); - if (languageMatch(defaultLang, qmlFile)) - 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 qmlFile = qmFileForCheckBoxMap.value(checkBox); - if (translator.load(qmlFile)) - QCoreApplication::installTranslator(&translator); - else - qWarning("Unable to load %s", qPrintable(QDir::toNativeSeparators(qmlFile))); - - 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); -} |