r1

src/qt/qvalidatedlineedit.h

@@ -0,0 +1,39 @@
+// Copyright (c) 2011-2013 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_QT_QVALIDATEDLINEEDIT_H
+#define BITCOIN_QT_QVALIDATEDLINEEDIT_H
+
+#include <QLineEdit>
+
+/** Line edit that can be marked as "invalid" to show input validation feedback. When marked as invalid,
+   it will get a red background until it is focused.
+ */
+class QValidatedLineEdit : public QLineEdit
+{
+    Q_OBJECT
+
+public:
+    explicit QValidatedLineEdit(QWidget* parent);
+    void clear();
+    void setCheckValidator(const QValidator* v);
+
+protected:
+    void focusInEvent(QFocusEvent* evt);
+    void focusOutEvent(QFocusEvent* evt);
+
+private:
+    bool valid;
+    const QValidator* checkValidator;
+
+public slots:
+    void setValid(bool valid);
+    void setEnabled(bool enabled);
+
+private slots:
+    void markValid();
+    void checkValidity();
+};
+
+#endif // BITCOIN_QT_QVALIDATEDLINEEDIT_H