145 lines
4.2 KiB
C++
145 lines
4.2 KiB
C++
/* === This file is part of Calamares - <https://calamares.io> ===
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*
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* SPDX-FileCopyrightText: 2014-2015 Teo Mrnjavac <teo@kde.org>
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* SPDX-FileCopyrightText: 2017-2019 Adriaan de Groot <groot@kde.org>
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* Calamares is Free Software: see the License-Identifier above.
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*
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*
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*/
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#ifndef LOCALE_TRANSLATION_H
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#define LOCALE_TRANSLATION_H
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#include "utils/Logger.h"
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#include <QLocale>
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#include <QObject>
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#include <QString>
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///@brief Define to 1 if the Qt version being used supports Interlingue fully
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#if QT_VERSION < QT_VERSION_CHECK( 6, 7, 0 )
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#define CALAMARES_QT_SUPPORT_INTERLINGUE 0
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#else
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#define CALAMARES_QT_SUPPORT_INTERLINGUE 1
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#endif
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namespace Calamares
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{
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namespace Locale
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{
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/**
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* @brief Consistent locale (language + country) naming.
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*
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* Support class to turn locale names (as used by Calamares's
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* translation system) into QLocales, and also into consistent
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* human-readable text labels.
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*
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* This handles special-cases in Calamares translations:
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* - `sr@latin` is the name which Qt recognizes as `sr@latn`,
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* Serbian written with Latin characters (not Cyrillic).
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* - `ca@valencia` is the Catalan dialect spoken in Valencia.
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* There is no Qt code for it.
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*
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* (There are more special cases, not documented here)
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*/
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class DLLEXPORT Translation : public QObject
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{
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Q_OBJECT
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public:
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/** @brief Formatting option for label -- add (country) to label. */
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enum class LabelFormat
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{
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AlwaysWithCountry,
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IfNeededWithCountry
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};
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struct Id
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{
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QString name;
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};
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/** @brief Empty locale. This uses the system-default locale. */
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Translation( QObject* parent = nullptr );
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/** @brief Construct from a locale name.
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*
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* The @p localeName should be one that Qt recognizes, e.g. en_US or ar_EY.
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* The @p format determines whether the country name is always present
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* in the label (human-readable form) or only if needed for disambiguation.
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*/
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Translation( const Id& localeId, LabelFormat format = LabelFormat::IfNeededWithCountry, QObject* parent = nullptr );
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/** @brief Define a sorting order.
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*
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* Locales are sorted by their id, which means the ISO 2-letter code + country.
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*/
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bool operator<( const Translation& other ) const { return m_localeId < other.m_localeId; }
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/** @brief Is this locale English?
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*
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* en_US and en (American English) is defined as English. The Queen's
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* English -- proper English -- is relegated to non-English status.
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*/
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bool isEnglish() const { return m_localeId == QLatin1String( "en_US" ) || m_localeId == QLatin1String( "en" ); }
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/** @brief Get the human-readable name for this locale. */
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QString label() const { return m_label; }
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/** @brief Get the *English* human-readable name for this locale. */
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QString englishLabel() const { return m_englishLabel; }
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/** @brief Get the Qt locale. */
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QLocale locale() const { return m_locale; }
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/** @brief Gets the Calamares internal name (code) of the locale.
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*
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* This is a strongly-typed return to avoid it ending up all over
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* the place as a QString.
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*/
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Id id() const { return { m_localeId }; }
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/// @brief Convenience accessor to the language part of the locale
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QLocale::Language language() const { return m_locale.language(); }
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/// @brief Convenience accessor to the country part (if any) of the locale
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QLocale::Country country() const
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{
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#if QT_VERSION < QT_VERSION_CHECK( 6, 6, 0 )
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return m_locale.country();
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#else
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return m_locale.territory();
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#endif
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}
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/** @brief Get a Qt locale for the given @p localeName
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*
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* This obeys special cases as described in the class documentation.
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*/
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static QLocale getLocale( const Id& localeId );
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private:
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QLocale m_locale;
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QString m_localeId; // the locale identifier, e.g. "en_GB"
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QString m_label; // the native name of the locale
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QString m_englishLabel;
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};
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static inline QDebug&
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operator<<( QDebug& s, const Translation::Id& id )
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{
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return s << id.name;
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}
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static inline bool
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operator==( const Translation::Id& lhs, const Translation::Id& rhs )
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{
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return lhs.name == rhs.name;
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}
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} // namespace Locale
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} // namespace Calamares
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#endif
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