From d2ee96d88f3db45b8b4f7a1ed97f7b62054f70b2 Mon Sep 17 00:00:00 2001
From: Philip Kaufmann <phil.kaufmann@t-online.de>
Date: Mon, 18 Jun 2012 22:48:35 +0200
Subject: [PATCH] GUI: ensure a changed bitcoin unit immediately updates the tx
 list amounts

---
 src/qt/transactiontablemodel.cpp | 7 +++++++
 src/qt/transactiontablemodel.h   | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/src/qt/transactiontablemodel.cpp b/src/qt/transactiontablemodel.cpp
index 28620bf3aa2..a8ffe62ed99 100644
--- a/src/qt/transactiontablemodel.cpp
+++ b/src/qt/transactiontablemodel.cpp
@@ -218,6 +218,8 @@ TransactionTableModel::TransactionTableModel(CWallet* wallet, WalletModel *paren
     QTimer *timer = new QTimer(this);
     connect(timer, SIGNAL(timeout()), this, SLOT(update()));
     timer->start(MODEL_UPDATE_DELAY);
+
+    connect(walletModel->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
 }
 
 TransactionTableModel::~TransactionTableModel()
@@ -619,3 +621,8 @@ QModelIndex TransactionTableModel::index(int row, int column, const QModelIndex
     }
 }
 
+void TransactionTableModel::updateDisplayUnit()
+{
+    // emit dataChanged to update Amount column with the current unit
+    emit dataChanged(index(0, Amount), index(priv->size()-1, Amount));
+}
diff --git a/src/qt/transactiontablemodel.h b/src/qt/transactiontablemodel.h
index db88a0604f2..3efeaa61bca 100644
--- a/src/qt/transactiontablemodel.h
+++ b/src/qt/transactiontablemodel.h
@@ -74,6 +74,8 @@ private:
 
 private slots:
     void update();
+public slots:
+    void updateDisplayUnit();
 
     friend class TransactionTablePriv;
 };