1 files changed, 17 insertions, 1 deletions
diff --git a/src/qt/qvalidatedlineedit.cpp b/src/qt/qvalidatedlineedit.cpp
index 346369392c..baa2eb67f7 100644
--- a/src/qt/qvalidatedlineedit.cpp
+++ b/src/qt/qvalidatedlineedit.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2011-2013 The Bitcoin Core developers
+// Copyright (c) 2011-2015 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -99,9 +99,25 @@ void QValidatedLineEdit::checkValidity()
     }
     else
         setValid(false);
+
+    Q_EMIT validationDidChange(this);
 }
 
 void QValidatedLineEdit::setCheckValidator(const QValidator *v)
 {
     checkValidator = v;
 }
+
+bool QValidatedLineEdit::isValid()
+{
+    // use checkValidator in case the QValidatedLineEdit is disabled
+    if (checkValidator)
+    {
+        QString address = text();
+        int pos = 0;
+        if (checkValidator->validate(address, pos) == QValidator::Acceptable)
+            return true;
+    }
+
+    return valid;
+}