1 files changed, 123 insertions, 0 deletions
diff --git a/src/qt/qvalidatedlineedit.cpp b/src/qt/qvalidatedlineedit.cpp
new file mode 100644
index 000000000..492b96ff0
--- /dev/null
+++ b/src/qt/qvalidatedlineedit.cpp
@@ -0,0 +1,123 @@
+// 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.
+
+#include "qvalidatedlineedit.h"
+
+#include "bitcoinaddressvalidator.h"
+#include "guiconstants.h"
+
+QValidatedLineEdit::QValidatedLineEdit(QWidget *parent) :
+    QLineEdit(parent),
+    valid(true),
+    checkValidator(0)
+{
+    connect(this, SIGNAL(textChanged(QString)), this, SLOT(markValid()));
+}
+
+void QValidatedLineEdit::setValid(bool _valid)
+{
+    if(_valid == this->valid)
+    {
+        return;
+    }
+
+    if(_valid)
+    {
+        setStyleSheet("");
+    }
+    else
+    {
+        setStyleSheet(STYLE_INVALID);
+    }
+    this->valid = _valid;
+}
+
+void QValidatedLineEdit::focusInEvent(QFocusEvent *evt)
+{
+    // Clear invalid flag on focus
+    setValid(true);
+
+    QLineEdit::focusInEvent(evt);
+}
+
+void QValidatedLineEdit::focusOutEvent(QFocusEvent *evt)
+{
+    checkValidity();
+
+    QLineEdit::focusOutEvent(evt);
+}
+
+void QValidatedLineEdit::markValid()
+{
+    // As long as a user is typing ensure we display state as valid
+    setValid(true);
+}
+
+void QValidatedLineEdit::clear()
+{
+    setValid(true);
+    QLineEdit::clear();
+}
+
+void QValidatedLineEdit::setEnabled(bool enabled)
+{
+    if (!enabled)
+    {
+        // A disabled QValidatedLineEdit should be marked valid
+        setValid(true);
+    }
+    else
+    {
+        // Recheck validity when QValidatedLineEdit gets enabled
+        checkValidity();
+    }
+
+    QLineEdit::setEnabled(enabled);
+}
+
+void QValidatedLineEdit::checkValidity()
+{
+    if (text().isEmpty())
+    {
+        setValid(true);
+    }
+    else if (hasAcceptableInput())
+    {
+        setValid(true);
+
+        // Check contents on focus out
+        if (checkValidator)
+        {
+            QString address = text();
+            int pos = 0;
+            if (checkValidator->validate(address, pos) == QValidator::Acceptable)
+                setValid(true);
+            else
+                setValid(false);
+        }
+    }
+    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;
+}