Make it possible to set user interface language from options dialog

1 files changed, 9 insertions, 0 deletions

diff --git a/src/qt/optionsmodel.cpp b/src/qt/optionsmodel.cpp
index 5bba308cf2..78448d3ee1 100644
--- a/src/qt/optionsmodel.cpp
+++ b/src/qt/optionsmodel.cpp
@@ -21,6 +21,7 @@ void OptionsModel::Init()
     fMinimizeToTray = settings.value("fMinimizeToTray", false).toBool();
     fMinimizeOnClose = settings.value("fMinimizeOnClose", false).toBool();
     nTransactionFee = settings.value("nTransactionFee").toLongLong();
+    language = settings.value("language", "").toString();
 
     // These are shared with core bitcoin; we want
     // command-line options to override the GUI settings:
@@ -30,6 +31,8 @@ void OptionsModel::Init()
         SoftSetArg("-proxy", settings.value("addrProxy").toString().toStdString());
     if (settings.contains("detachDB"))
         SoftSetBoolArg("-detachdb", settings.value("detachDB").toBool());
+    if (!language.isEmpty())
+        SoftSetArg("-lang", language.toStdString());
 }
 
 bool OptionsModel::Upgrade()
@@ -125,6 +128,8 @@ QVariant OptionsModel::data(const QModelIndex & index, int role) const
             return QVariant(bDisplayAddresses);
         case DetachDatabases:
             return QVariant(fDetachDB);
+        case Language:
+            return settings.value("language", "");
         default:
             return QVariant();
         }
@@ -213,6 +218,10 @@ bool OptionsModel::setData(const QModelIndex & index, const QVariant & value, in
             settings.setValue("detachDB", fDetachDB);
             }
             break;
+        case Language: {
+            settings.setValue("language", value);
+            }
+            break;
         default:
             break;
         }