cppcheck/gui/translationhandler.cpp at master · encryptacoder/cppcheck · GitHub

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* Cppcheck - A tool for static C/C++ code analysis

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <http://www.gnu.org/licenses/>.

#include <QApplication>

#include <QFile>

#include <QDebug>

#include <QLocale>

#include <QMessageBox>

#include <QSettings>

#include <QFileInfo>

#include "translationhandler.h"

// Provide own translations for standard buttons. This (garbage) code is needed to enforce them to appear in .ts files even after "lupdate gui.pro"

static void unused()

{

QT_TRANSLATE_NOOP("QDialogButtonBox", "OK");

QT_TRANSLATE_NOOP("QDialogButtonBox", "Cancel");

QT_TRANSLATE_NOOP("QDialogButtonBox", "Close");

QT_TRANSLATE_NOOP("QDialogButtonBox", "Save");

}

TranslationHandler::TranslationHandler(QObject *parent) :

QObject(parent),

mCurrentLanguage("en"),

mTranslator(NULL)

{

// Add our available languages

// Keep this list sorted

AddTranslation(QT_TRANSLATE_NOOP("MainWindow", "Chinese (Simplified)"), "cppcheck_zh_CN");

AddTranslation(QT_TRANSLATE_NOOP("MainWindow", "Dutch"), "cppcheck_nl");

AddTranslation(QT_TRANSLATE_NOOP("MainWindow", "English"), "cppcheck_en");

AddTranslation(QT_TRANSLATE_NOOP("MainWindow", "Finnish"), "cppcheck_fi");

AddTranslation(QT_TRANSLATE_NOOP("MainWindow", "French"), "cppcheck_fr");

AddTranslation(QT_TRANSLATE_NOOP("MainWindow", "German"), "cppcheck_de");

AddTranslation(QT_TRANSLATE_NOOP("MainWindow", "Italian"), "cppcheck_it");

AddTranslation(QT_TRANSLATE_NOOP("MainWindow", "Japanese"), "cppcheck_ja");

AddTranslation(QT_TRANSLATE_NOOP("MainWindow", "Korean"), "cppcheck_ko");

AddTranslation(QT_TRANSLATE_NOOP("MainWindow", "Russian"), "cppcheck_ru");

AddTranslation(QT_TRANSLATE_NOOP("MainWindow", "Serbian"), "cppcheck_sr");

AddTranslation(QT_TRANSLATE_NOOP("MainWindow", "Spanish"), "cppcheck_es");

AddTranslation(QT_TRANSLATE_NOOP("MainWindow", "Swedish"), "cppcheck_sv");

}

TranslationHandler::~TranslationHandler()

{

}

const QStringList TranslationHandler::GetNames() const

{

QStringList names;

foreach(TranslationInfo translation, mTranslations) {

names.append(translation.mName);

}

return names;

}

bool TranslationHandler::SetLanguage(const QString &code)

{

bool failure = false;

QString error;

//If English is the language

if (code == "en") {

//Just remove all extra translators

if (mTranslator) {

qApp->removeTranslator(mTranslator);

delete mTranslator;

mTranslator = NULL;

}

mCurrentLanguage = code;

return true;

}

//Make sure the translator is otherwise valid

int index = GetLanguageIndexByCode(code);

if (index == -1) {

error = QObject::tr("Unknown language specified!");

failure = true;

}

// Make sure there is a translator

if (!mTranslator && !failure)

mTranslator = new QTranslator(this);

//Load the new language

const QString appPath = QFileInfo(QCoreApplication::applicationFilePath()).canonicalPath();

QSettings settings;

QString datadir = settings.value("DATADIR").toString();

if (datadir.isEmpty())

datadir = appPath;

QString translationFile;

if (QFile::exists(datadir + "/lang/" + mTranslations[index].mFilename + ".qm"))

translationFile = datadir + "/lang/" + mTranslations[index].mFilename + ".qm";

else if (QFile::exists(datadir + "/" + mTranslations[index].mFilename + ".qm"))

translationFile = datadir + "/" + mTranslations[index].mFilename + ".qm";

else

translationFile = appPath + "/" + mTranslations[index].mFilename + ".qm";

if (!mTranslator->load(translationFile) && !failure) {

translationFile += ".qm";

//If it failed, lets check if the default file exists

if (!QFile::exists(translationFile)) {

error = QObject::tr("Language file %1 not found!");

error = error.arg(translationFile);

failure = true;

}

//If file exists, there's something wrong with it

error = QObject::tr("Failed to load translation for language %1 from file %2");

error = error.arg(mTranslations[index].mName);

error = error.arg(translationFile);

}

if (failure) {

const QString msg(tr("Failed to change the user interface language:"

"\n\n%1\n\n"

"The user interface language has been reset to English. Open "

"the Preferences-dialog to select any of the available "

"languages.").arg(error));

QMessageBox msgBox(QMessageBox::Warning,

tr("Cppcheck"),

msg,

QMessageBox::Ok);

msgBox.exec();

return false;

}

qApp->installTranslator(mTranslator);

mCurrentLanguage = code;

return true;

}

QString TranslationHandler::GetCurrentLanguage() const

{

return mCurrentLanguage;

}

QString TranslationHandler::SuggestLanguage() const

{

//Get language from system locale's name ie sv_SE or zh_CN

QString language = QLocale::system().name();

//qDebug()<<"Your language is"<<language;

//And see if we can find it from our list of language files

int index = GetLanguageIndexByCode(language);

//If nothing found, return English

if (index < 0) {

return "en";

}

return language;

}

void TranslationHandler::AddTranslation(const char *name, const char *filename)

{

TranslationInfo info;

info.mName = name;

info.mFilename = filename;

int codeLength = QString(filename).length() - QString(filename).indexOf('_') - 1;

info.mCode = QString(filename).right(codeLength);

mTranslations.append(info);

}

int TranslationHandler::GetLanguageIndexByCode(const QString &code) const

{

int index = -1;

for (int i = 0; i < mTranslations.size(); i++) {

if (mTranslations[i].mCode == code) {

index = i;

break;

} else if (mTranslations[i].mCode == code.left(2)) {

index = i;

break;

}

return index;

}

cppcheck/gui/translationhandler.cpp at master · encryptacoder/cppcheck · GitHub

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