103 lines
4.0 KiB
C++
103 lines
4.0 KiB
C++
/***************************************************************************
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* Copyright (c) 2004 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef GUI_TRANSLATOR_H
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#define GUI_TRANSLATOR_H
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#include <QObject>
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#include <list>
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#include <map>
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#include <memory>
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#include <string>
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#include <FCGlobal.h>
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class QDir;
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namespace Gui {
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using TStringList = std::list<std::string>;
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using TStringMap = std::map<std::string, std::string>;
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/**
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* The Translator class uses Qt's QTranslator objects to change the language of the application
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* on the fly.
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* For more details see the \link i18n.html Internationalization with FreeCAD \endlink
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* documentation.
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*
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* \author Werner Mayer
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*/
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class TranslatorP;
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class GuiExport Translator : public QObject
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{
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Q_OBJECT
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public:
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/** @name singleton stuff */
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//@{
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/// Creates an instance
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static Translator* instance();
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/// Destroys the instance
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static void destruct ();
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//@}
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/** Activates the specified language \a lang if available. */
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void activateLanguage (const char* lang);
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/* Reloads the translators */
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void refresh();
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/** Returns the currently installed language. If no language is installed an empty string is returned. */
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std::string activeLanguage() const;
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/** Returns the locale (e.g. "de") to the given language name. */
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std::string locale(const std::string&) const;
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/** Sets default Qt locale based on given language name **/
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void setLocale(const std::string& = "") const;
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/** Returns a list of supported languages. */
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TStringList supportedLanguages() const;
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/** Returns a map of supported languages/locales. */
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TStringMap supportedLocales() const;
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/** Adds a path where localization files can be found */
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void addPath(const QString& path);
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/** eventFilter used to convert decimal separator **/
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bool eventFilter(QObject* obj, QEvent* ev) override;
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/** Enables/disables decimal separator conversion **/
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void enableDecimalPointConversion(bool on);
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/** Returns whether decimal separator conversion is enabled */
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bool isEnabledDecimalPointConversion() const;
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private:
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Translator();
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~Translator() override;
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void removeTranslators();
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QStringList directories() const;
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void installQMFiles(const QDir& dir, const char* locale);
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void updateLocaleChange() const;
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private:
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static Translator* _pcSingleton;
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TranslatorP* d;
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std::unique_ptr<Translator, std::function<void(Translator*)>> decimalPointConverter;
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};
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} // namespace Gui
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#endif // GUI_TRANSLATOR_H
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