drop Qt4 support, move Source files and few other changes

src/TranslationClass.h

@@ -0,0 +1,67 @@
+/*****************************************************************************
+* gta5view Grand Theft Auto V Profile Viewer
+* Copyright (C) 2017 Syping
+*
+* 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/>.
+*****************************************************************************/
+
+#ifndef TRANSLATIONCLASS_H
+#define TRANSLATIONCLASS_H
+
+#include <QApplication>
+#include <QTranslator>
+#include <QStringList>
+#include <QString>
+#include <QObject>
+#include <QLocale>
+
+class TranslationClass : public QObject
+{
+    Q_OBJECT
+public:
+    static TranslationClass* getInstance() { return &translationClassInstance; }
+    static QString getCountryCode(QLocale::Country country);
+    static QString getCountryCode(QLocale locale);
+    void initUserLanguage();
+    void loadTranslation(QApplication *app);
+    void unloadTranslation(QApplication *app);
+    static QStringList listTranslations(const QString &langPath);
+    static QStringList listAreaTranslations();
+    QString getCurrentAreaLanguage();
+    QString getCurrentLanguage();
+    bool isLanguageLoaded();
+
+private:
+    static TranslationClass translationClassInstance;
+    bool loadSystemTranslation_p(const QString &langPath, QTranslator *appTranslator);
+    bool loadUserTranslation_p(const QString &langPath, QTranslator *appTranslator);
+    bool loadQtTranslation_p(const QString &langPath, QTranslator *qtTranslator);
+    bool isUserLanguageSystem_p();
+    QTranslator exAppTranslator;
+    QTranslator exQtTranslator;
+    QTranslator inAppTranslator;
+    QTranslator inQtTranslator;
+    QString userAreaLanguage;
+    QString currentLanguage;
+    QString userLanguage;
+    int currentLangIndex;
+    bool isEnglishMode;
+    bool isLangLoaded;
+};
+
+extern TranslationClass translationClass;
+
+#define Translator TranslationClass::getInstance()
+
+#endif // TRANSLATIONCLASS_H