156 lines
4.2 KiB
C++
156 lines
4.2 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2010 Daniel Marjamäki and Cppcheck team.
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*
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* This program 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 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "translationhandler.h"
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#include <QApplication>
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#include <QFile>
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#include <QDebug>
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#include <QLocale>
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TranslationHandler::TranslationHandler(QObject *parent) :
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QObject(parent),
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mCurrentLanguage(-1),
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mTranslator(new QTranslator(this))
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{
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//Add our default languages
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mNames << QT_TRANSLATE_NOOP("MainWindow", "English")
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<< QT_TRANSLATE_NOOP("MainWindow", "Dutch")
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<< QT_TRANSLATE_NOOP("MainWindow", "Finnish")
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<< QT_TRANSLATE_NOOP("MainWindow", "Swedish")
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<< QT_TRANSLATE_NOOP("MainWindow", "German")
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<< QT_TRANSLATE_NOOP("MainWindow", "Russian")
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<< QT_TRANSLATE_NOOP("MainWindow", "Polish")
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<< QT_TRANSLATE_NOOP("MainWindow", "Japanese");
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mFiles << "cppcheck_en"
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<< "cppcheck_nl"
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<< "cppcheck_fi"
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<< "cppcheck_se"
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<< "cppcheck_de"
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<< "cppcheck_ru"
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<< "cppcheck_pl"
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<< "cppcheck_ja";
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//Load english as a fallback language
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QTranslator *english = new QTranslator();
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if (english->load("cppcheck_en"))
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{
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qApp->installTranslator(english);
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}
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else
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{
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qDebug() << "Failed to load English translation!";
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delete english;
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}
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}
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TranslationHandler::~TranslationHandler()
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{
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}
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const QStringList TranslationHandler::GetNames() const
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{
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return mNames;
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}
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const QStringList TranslationHandler::GetFiles() const
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{
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return mFiles;
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}
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bool TranslationHandler::SetLanguage(const int index, QString &error)
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{
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//If english is the language
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if (index == 0)
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{
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//Just remove all extra translators
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if (mTranslator)
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{
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qApp->removeTranslator(mTranslator);
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}
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mCurrentLanguage = index;
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return true;
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}
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//Make sure the translator is otherwise valid
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if (index >= mNames.size())
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{
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error = QObject::tr("Incorrect language specified!");
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return false;
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}
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//Load the new language
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if (!mTranslator->load(mFiles[index]))
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{
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//If it failed, lets check if the default file exists
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if (!QFile::exists(mFiles[index] + ".qm"))
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{
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error = QObject::tr("Language file %1 not found!");
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error = error.arg(mFiles[index] + ".qm");
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return false;
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}
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//If file exists, there's something wrong with it
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error = QObject::tr("Failed to load translation for language %1 from file %2");
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error = error.arg(mNames[index]);
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error = error.arg(mFiles[index] + ".qm");
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return false;
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}
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qApp->installTranslator(mTranslator);
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mCurrentLanguage = index;
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return true;
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}
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int TranslationHandler::GetCurrentLanguage() const
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{
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return mCurrentLanguage;
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}
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int TranslationHandler::SuggestLanguage() const
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{
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/*
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Get language from system locale's name
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QLocale::languageToString would return the languages full name and we
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only want two-letter ISO 639 language code so we'll get it from
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locale's name.
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*/
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QString language = QLocale::system().name().left(2);
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//qDebug()<<"Your language is"<<language;
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//catenate that to the default language filename
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QString file = QString("cppcheck_%1").arg(language);
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//qDebug()<<"Language file could be"<<file;
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//And see if we can find it from our list of language files
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int index = mFiles.indexOf(file);
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//If nothing found, return english
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if (index < 0)
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{
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return 0;
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}
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return index;
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}
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