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[libcalamares] Load translations from more places

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- To support translation testing, without needing to recompile
   Calamares, load files from the local directory when debugging,
   or from /usr/share/calamares/lang/ in general.
 - This allows updating translations and testing them with just
   lrelease (a translation build tool) installed, without rebuilding
   Calamares.
 - This allows distro's to ship updated or modified translations without
   rebuilding Calamares.
This commit is contained in:
Adriaan de Groot 2020-01-30 19:06:33 +01:00
parent f1d7b29f11
commit d956c79291
1 changed files with 32 additions and 17 deletions
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49
src/libcalamares/utils/Retranslator.cpp
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@ -18,7 +18,9 @@
#include "Retranslator.h"
#include "Logger.h"
#include "Settings.h"
#include "utils/Dirs.h"
#include "utils/Logger.h"
#include <QCoreApplication>
#include <QDir>
@ -125,34 +127,47 @@ BrandingLoader::tryLoad( QTranslator* translator )
return false;
}
bool
CalamaresLoader::tryLoad( QTranslator* translator )
static bool
tryLoad( QTranslator* translator, const QString& prefix, const QString& localeName )
{
if ( translator->load( QString( ":/lang/calamares_" ) + m_localeName ) )
// In debug-mode, try loading from the current directory
if ( Calamares::Settings::instance() && Calamares::Settings::instance()->debugMode() && translator->load( prefix + localeName ) )
{
cDebug() << Logger::SubEntry << "Calamares using locale:" << m_localeName;
cDebug() << Logger::SubEntry << "Loaded local translation" << prefix << localeName;
return true;
}
// Or load from appDataDir -- often /usr/share/calamares -- subdirectory land/
QDir localeData( CalamaresUtils::appDataDir() );
if ( localeData.exists() && translator->load( localeData.absolutePath() + QStringLiteral("/lang/") + prefix + localeName) )
{
cDebug() << Logger::SubEntry << "Loaded appdata translation" << prefix << localeName;
return true;
}
// Or from QRC (most common)
if ( translator->load( QStringLiteral( ":/lang/") + prefix + localeName ) )
{
cDebug() << Logger::SubEntry << "Loaded QRC translation" << prefix << localeName;
return true;
}
else
{
cDebug() << Logger::SubEntry << "Calamares using default, system locale not found:" << m_localeName;
return translator->load( QString( ":/lang/calamares_en" ) );
cDebug() << Logger::SubEntry << "No translation for" << prefix << localeName << "using default (en)";
return translator->load( QStringLiteral( ":/lang/" ) + prefix + QStringLiteral( "en" ) );
}
}
bool
CalamaresLoader::tryLoad( QTranslator* translator )
{
return ::tryLoad( translator, QStringLiteral( "calamares_" ), m_localeName );
}
bool
TZLoader::tryLoad( QTranslator* translator )
{
if ( translator->load( QString( ":/lang/tz_" ) + m_localeName ) )
{
cDebug() << Logger::SubEntry << "Calamares Timezones using locale:" << m_localeName;
return true;
}
else
{
cDebug() << Logger::SubEntry << "Calamares Timezones using default, system locale not found:" << m_localeName;
return translator->load( QString( ":/lang/tz_en" ) );
}
return ::tryLoad( translator, QStringLiteral( "tz_" ), m_localeName );
}
static void