src/qt/qvalidatedlineedit.h

   1 // Copyright (c) 2011-2015 The Bitcoin Core developers
   2 // Distributed under the MIT software license, see the accompanying
   3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4
   5 #ifndef BITCOIN_QT_QVALIDATEDLINEEDIT_H
   6 #define BITCOIN_QT_QVALIDATEDLINEEDIT_H
   7
   8 #include <QLineEdit>
   9
  10 /** Line edit that can be marked as "invalid" to show input validation feedback. When marked as invalid,
  11    it will get a red background until it is focused.
  12  */
  13 class QValidatedLineEdit : public QLineEdit
  14 {
  15     Q_OBJECT
  16
  17 public:
  18     explicit QValidatedLineEdit(QWidget *parent);
  19     void clear();
  20     void setCheckValidator(const QValidator *v);
  21     bool isValid();
  22
  23 protected:
  24     void focusInEvent(QFocusEvent *evt);
  25     void focusOutEvent(QFocusEvent *evt);
  26
  27 private:
  28     bool valid;
  29     const QValidator *checkValidator;
  30
  31 public Q_SLOTS:
  32     void setValid(bool valid);
  33     void setEnabled(bool enabled);
  34
  35 Q_SIGNALS:
  36     void validationDidChange(QValidatedLineEdit *validatedLineEdit);
  37
  38 private Q_SLOTS:
  39     void markValid();
  40     void checkValidity();
  41 };
  42
  43 #endif // BITCOIN_QT_QVALIDATEDLINEEDIT_H