From 95cf62b9901bfe5b9184282a083504b1a70b89c5 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Mon, 30 Apr 2012 18:02:22 +0200
Subject: [PATCH] locale stuff

---
 src/Gui/DlgGeneralImp.cpp       | 23 +++++++++++++++--------
 src/Gui/Language/Translator.cpp | 16 ++++++++++++++++
 src/Gui/Language/Translator.h   |  2 ++
 3 files changed, 33 insertions(+), 8 deletions(-)

diff --git a/src/Gui/DlgGeneralImp.cpp b/src/Gui/DlgGeneralImp.cpp
index e1e5302b3..1c52b875f 100644
--- a/src/Gui/DlgGeneralImp.cpp
+++ b/src/Gui/DlgGeneralImp.cpp
@@ -177,19 +177,26 @@ void DlgGeneralImp::loadSettings()
     QByteArray language = hGrp->GetASCII("Language", (const char*)lang.toAscii()).c_str();
     Languages->addItem(Gui::Translator::tr("English"), QByteArray("English"));
     int index = 1;
-    TStringList list = Translator::instance()->supportedLanguages();
-    for (TStringList::iterator it = list.begin(); it != list.end(); ++it, index++) {
-        QByteArray lang = it->c_str();
 #if QT_VERSION >= 0x040800
-        QLocale locale(QString::fromAscii(lang.constData()));
-        Languages->addItem(locale.nativeCountryName(), lang);
-#else
-        Languages->addItem(Gui::Translator::tr(lang.constData()), lang);
-#endif
+    TStringList list = Translator::instance()->supportedLocales();
+    for (TStringList::iterator it = list.begin(); it != list.end(); ++it, index++) {
+        QLocale locale(QString::fromAscii(it->c_str()));
+        QByteArray lang = QLocale::languageToString(locale.language()).toAscii();
+        Languages->addItem(locale.nativeLanguageName(), lang);
         if (language == lang) {
             Languages->setCurrentIndex(index);
         }
     }
+#else
+    TStringList list = Translator::instance()->supportedLanguages();
+    for (TStringList::iterator it = list.begin(); it != list.end(); ++it, index++) {
+        QByteArray lang = it->c_str();
+        Languages->addItem(Gui::Translator::tr(lang.constData()), lang);
+        if (language == lang) {
+            Languages->setCurrentIndex(index);
+        }
+    }
+#endif
 
     int size = QApplication::style()->pixelMetric(QStyle::PM_ToolBarIconSize);
     int current = getMainWindow()->iconSize().width();
diff --git a/src/Gui/Language/Translator.cpp b/src/Gui/Language/Translator.cpp
index b32401875..0b7103f6e 100644
--- a/src/Gui/Language/Translator.cpp
+++ b/src/Gui/Language/Translator.cpp
@@ -174,6 +174,22 @@ TStringList Translator::supportedLanguages() const
     return languages;
 }
 
+TStringList Translator::supportedLocales() const
+{
+    // List all .qm files
+    TStringList languages;
+    QDir dir(QLatin1String(":/translations"));
+    for (std::map<std::string,std::string>::const_iterator it = d->mapLanguageTopLevelDomain.begin();
+        it != d->mapLanguageTopLevelDomain.end(); ++it) {
+        QString filter = QString::fromAscii("*_%1.qm").arg(QLatin1String(it->second.c_str()));
+        QStringList fileNames = dir.entryList(QStringList(filter), QDir::Files, QDir::Name);
+        if (!fileNames.isEmpty())
+            languages.push_back(it->second);
+    }
+
+    return languages;
+}
+
 void Translator::activateLanguage (const char* lang)
 {
     removeTranslators(); // remove the currently installed translators
diff --git a/src/Gui/Language/Translator.h b/src/Gui/Language/Translator.h
index 7ce7905bb..2bccff06e 100644
--- a/src/Gui/Language/Translator.h
+++ b/src/Gui/Language/Translator.h
@@ -65,6 +65,8 @@ public:
     std::string activeLanguage() const;
     /** Returns a list of supported languages. */
     TStringList supportedLanguages() const;
+    /** Returns a list of supported locales. */
+    TStringList supportedLocales() const;
     /** Adds a path where localization files can be found */
     void addPath(const QString& path);